]> git.saurik.com Git - cydia.git/blobdiff - Cydia.mm
Fundamental performance improvements.
[cydia.git] / Cydia.mm
index a37c35a1dbf6de0c4c5c812e9d06fc70377aac90..8d48ac068dfff4925f4ede6a827fd023bf8c5c30 100644 (file)
--- a/Cydia.mm
+++ b/Cydia.mm
+/* Cydia - iPhone UIKit Front-End for Debian APT
+ * Copyright (C) 2008  Jay Freeman (saurik)
+*/
+
+/*
+ *        Redistribution and use in source and binary
+ * forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the
+ *    above copyright notice, this list of conditions
+ *    and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the
+ *    above copyright notice, this list of conditions
+ *    and the following disclaimer in the documentation
+ *    and/or other materials provided with the
+ *    distribution.
+ * 3. The name of the author may not be used to endorse
+ *    or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
 /* #include Directives {{{ */
-#include <Foundation/NSURL.h>
-#include <UIKit/UIKit.h>
-#import <GraphicsServices/GraphicsServices.h>
+#import "UICaboodle.h"
+
+#include <objc/objc.h>
+#include <objc/runtime.h>
+
+#include <CoreGraphics/CoreGraphics.h>
+#include <GraphicsServices/GraphicsServices.h>
+#include <Foundation/Foundation.h>
+
+#import <QuartzCore/CALayer.h>
+
+#import <UIKit/UIKit.h>
+
+// XXX: remove
+#import <MessageUI/MailComposeController.h>
+
+#import <WebCore/WebScriptObject.h>
+//#include <WebCore/DOMHTML.h>
+
+#include <WebKit/WebFrame.h>
+#include <WebKit/WebPolicyDelegate.h>
+#include <WebKit/WebView.h>
+
+#import <WebKit/WebView-WebPrivate.h>
 
 #include <sstream>
+#include <string>
+
 #include <ext/stdio_filebuf.h>
 
 #include <apt-pkg/acquire.h>
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/algorithms.h>
 #include <apt-pkg/cachefile.h>
+#include <apt-pkg/clean.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/debmetaindex.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/init.h>
+#include <apt-pkg/mmap.h>
 #include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/sha1.h>
 #include <apt-pkg/sourcelist.h>
 #include <apt-pkg/sptr.h>
+#include <apt-pkg/strutl.h>
 
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <sys/sysctl.h>
+
 #include <notify.h>
+#include <dlfcn.h>
 
 extern "C" {
 #include <mach-o/nlist.h>
 }
 
-#include <objc/objc-class.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
 
 #include <errno.h>
 #include <pcre.h>
-#include <string.h>
+
+#import "BrowserView.h"
+#import "ResetView.h"
 /* }}} */
-/* Extension Keywords {{{ */
-#define _trace() fprintf(stderr, "_trace()@%s:%u[%s]\n", __FILE__, __LINE__, __FUNCTION__)
 
-#define _assert(test) do \
-    if (!(test)) { \
-        fprintf(stderr, "_assert(%d:%s)@%s:%u[%s]\n", errno, #test, __FILE__, __LINE__, __FUNCTION__); \
-        exit(-1); \
-    } \
-while (false)
+//#define _finline __attribute__((force_inline))
+#define _finline inline
+
+struct timeval _ltv;
+bool _itv;
+
+#define _limit(count) do { \
+    static size_t _count(0); \
+    if (++_count == count) \
+        exit(0); \
+} while (false)
+
+/* Objective-C Handle<> {{{ */
+template <typename Type_>
+class _H {
+    typedef _H<Type_> This_;
+
+  private:
+    Type_ *value_;
+
+    _finline void Retain_() {
+        if (value_ != nil)
+            [value_ retain];
+    }
+
+    _finline void Clear_() {
+        if (value_ != nil)
+            [value_ release];
+    }
+
+  public:
+    _finline _H(Type_ *value = NULL, bool mended = false) :
+        value_(value)
+    {
+        if (!mended)
+            Retain_();
+    }
+
+    _finline ~_H() {
+        Clear_();
+    }
 
-#define _not(type) ((type) ~ (type) 0)
+    _finline This_ &operator =(Type_ *value) {
+        if (value_ != value) {
+            Clear_();
+            value_ = value;
+            Retain_();
+        } return this;
+    }
+};
 /* }}} */
-/* Miscellaneous Messages {{{ */
-@interface WebView
-- (void) setApplicationNameForUserAgent:(NSString *)applicationName;
-- (id) frameLoadDelegate;
-- (void) setFrameLoadDelegate:(id)delegate;
+
+#define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
+
+void NSLogRect(const char *fix, const CGRect &rect) {
+    NSLog(@"%s(%g,%g)+(%g,%g)", fix, rect.origin.x, rect.origin.y, rect.size.width, rect.size.height);
+}
+
+static const NSStringCompareOptions CompareOptions_ = NSCaseInsensitiveSearch | NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSForcedOrderingSearch;
+
+/* iPhoneOS 2.0 Compatibility {{{ */
+#ifdef __OBJC2__
+@interface UITextView (iPhoneOS)
+- (void) setTextSize:(float)size;
 @end
 
-@interface NSString (Cydia)
-- (NSString *) stringByAddingPercentEscapes;
-- (NSString *) stringByReplacingCharacter:(unsigned short)arg0 withCharacter:(unsigned short)arg1;
+@implementation UITextView (iPhoneOS)
+
+- (void) setTextSize:(float)size {
+    [self setFont:[[self font] fontWithSize:size]];
+}
+
 @end
+#endif
 /* }}} */
 
-/* Reset View (UIView) {{{ */
-@interface UIView (CYResetView)
-- (void) resetViewAnimated:(BOOL)animated;
+extern NSString * const kCAFilterNearest;
+
+/* Information Dictionaries {{{ */
+@interface NSMutableArray (Cydia)
+- (void) addInfoDictionary:(NSDictionary *)info;
 @end
 
-@implementation UIView (CYResetView)
+@implementation NSMutableArray (Cydia)
 
-- (void) resetViewAnimated:(BOOL)animated {
-    fprintf(stderr, "%s\n", self->isa->name);
-    _assert(false);
+- (void) addInfoDictionary:(NSDictionary *)info {
+    [self addObject:info];
+}
+
+@end
+
+@interface NSMutableDictionary (Cydia)
+- (void) addInfoDictionary:(NSDictionary *)info;
+@end
+
+@implementation NSMutableDictionary (Cydia)
+
+- (void) addInfoDictionary:(NSDictionary *)info {
+    NSString *bundle = [info objectForKey:@"CFBundleIdentifier"];
+    [self setObject:info forKey:bundle];
 }
 
 @end
 /* }}} */
-/* Reset View (UITable) {{{ */
-@interface UITable (CYResetView)
-- (void) resetViewAnimated:(BOOL)animated;
+/* Pop Transitions {{{ */
+@interface PopTransitionView : UITransitionView {
+}
+
 @end
 
-@implementation UITable (CYResetView)
+@implementation PopTransitionView
 
-- (void) resetViewAnimated:(BOOL)animated {
-    [self selectRow:-1 byExtendingSelection:NO withFade:animated];
+- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
+    if (from != nil && to == nil)
+        [self removeFromSuperview];
+}
+
+@end
+
+@interface UIView (PopUpView)
+- (void) popFromSuperviewAnimated:(BOOL)animated;
+- (void) popSubview:(UIView *)view;
+@end
+
+@implementation UIView (PopUpView)
+
+- (void) popFromSuperviewAnimated:(BOOL)animated {
+    [[self superview] transition:(animated ? UITransitionPushFromTop : UITransitionNone) toView:nil];
+}
+
+- (void) popSubview:(UIView *)view {
+    UITransitionView *transition([[[PopTransitionView alloc] initWithFrame:[self bounds]] autorelease]);
+    [transition setDelegate:transition];
+    [self addSubview:transition];
+
+    UIView *blank = [[[UIView alloc] initWithFrame:[transition bounds]] autorelease];
+    [transition transition:UITransitionNone toView:blank];
+    [transition transition:UITransitionPushFromBottom toView:view];
 }
 
 @end
 /* }}} */
-/* Reset View (UISectionList) {{{ */
-@interface UISectionList (CYResetView)
-- (void) resetViewAnimated:(BOOL)animated;
+
+#define lprintf(args...) fprintf(stderr, args)
+
+#define ForSaurik 1
+#define RecycleWebViews 0
+
+/* Radix Sort {{{ */
+@interface NSMutableArray (Radix)
+- (void) radixUsingSelector:(SEL)selector withObject:(id)object;
 @end
 
-@implementation UISectionList (CYResetView)
+@implementation NSMutableArray (Radix)
 
-- (void) resetViewAnimated:(BOOL)animated {
-    [[self table] resetViewAnimated:animated];
+- (void) radixUsingSelector:(SEL)selector withObject:(id)object {
+    NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[NSMethodSignature signatureWithObjCTypes:"L12@0:4@8"]]);
+    [invocation setSelector:selector];
+    [invocation setArgument:&object atIndex:2];
+
+    size_t count([self count]);
+
+    struct RadixItem {
+        size_t index;
+        uint32_t key;
+    } *swap(new RadixItem[count * 2]), *lhs(swap), *rhs(swap + count);
+
+    for (size_t i(0); i != count; ++i) {
+        RadixItem &item(lhs[i]);
+        item.index = i;
+
+        id object([self objectAtIndex:i]);
+        [invocation setTarget:object];
+
+        [invocation invoke];
+        [invocation getReturnValue:&item.key];
+    }
+
+    static const size_t bits = 11;
+    static const size_t slots = 1 << bits;
+    static const size_t passes = (32 + (bits - 1)) / bits;
+
+    size_t *hist(new size_t[slots]);
+
+    for (size_t pass(0); pass != passes; ++pass) {
+        memset(hist, 0, sizeof(size_t) * slots);
+
+        for (size_t i(0); i != count; ++i) {
+            uint32_t key(lhs[i].key);
+            key >>= pass * bits;
+            key &= _not(uint32_t) >> 32 - bits;
+            ++hist[key];
+        }
+
+        size_t offset(0);
+        for (size_t i(0); i != slots; ++i) {
+            size_t local(offset);
+            offset += hist[i];
+            hist[i] = local;
+        }
+
+        for (size_t i(0); i != count; ++i) {
+            uint32_t key(lhs[i].key);
+            key >>= pass * bits;
+            key &= _not(uint32_t) >> 32 - bits;
+            rhs[hist[key]++] = lhs[i];
+        }
+
+        RadixItem *tmp(lhs);
+        lhs = rhs;
+        rhs = tmp;
+    }
+
+    delete [] hist;
+
+    NSMutableArray *values([NSMutableArray arrayWithCapacity:count]);
+    for (size_t i(0); i != count; ++i)
+        [values addObject:[self objectAtIndex:lhs[i].index]];
+    [self setArray:values];
+
+    delete [] swap;
 }
 
 @end
 /* }}} */
 
+typedef enum {
+    kUIControlEventMouseDown = 1 << 0,
+    kUIControlEventMouseMovedInside = 1 << 2, // mouse moved inside control target
+    kUIControlEventMouseMovedOutside = 1 << 3, // mouse moved outside control target
+    kUIControlEventMouseUpInside = 1 << 6, // mouse up inside control target
+    kUIControlEventMouseUpOutside = 1 << 7, // mouse up outside control target
+    kUIControlAllEvents = (kUIControlEventMouseDown | kUIControlEventMouseMovedInside | kUIControlEventMouseMovedOutside | kUIControlEventMouseUpInside | kUIControlEventMouseUpOutside)
+} UIControlEventMasks;
+
+@interface NSString (UIKit)
+- (NSString *) stringByAddingPercentEscapes;
+- (NSString *) stringByReplacingCharacter:(unsigned short)arg0 withCharacter:(unsigned short)arg1;
+@end
+
+@interface NSString (Cydia)
++ (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
+- (NSComparisonResult) compareByPath:(NSString *)other;
+@end
+
+@implementation NSString (Cydia)
+
++ (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
+    char data[length + 1];
+    memcpy(data, bytes, length);
+    data[length] = '\0';
+    return [NSString stringWithUTF8String:data];
+}
+
+- (NSComparisonResult) compareByPath:(NSString *)other {
+    NSString *prefix = [self commonPrefixWithString:other options:0];
+    size_t length = [prefix length];
+
+    NSRange lrange = NSMakeRange(length, [self length] - length);
+    NSRange rrange = NSMakeRange(length, [other length] - length);
+
+    lrange = [self rangeOfString:@"/" options:0 range:lrange];
+    rrange = [other rangeOfString:@"/" options:0 range:rrange];
+
+    NSComparisonResult value;
+
+    if (lrange.location == NSNotFound && rrange.location == NSNotFound)
+        value = NSOrderedSame;
+    else if (lrange.location == NSNotFound)
+        value = NSOrderedAscending;
+    else if (rrange.location == NSNotFound)
+        value = NSOrderedDescending;
+    else
+        value = NSOrderedSame;
+
+    NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
+        [self substringWithRange:NSMakeRange(length, lrange.location - length)];
+    NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
+        [other substringWithRange:NSMakeRange(length, rrange.location - length)];
+
+    NSComparisonResult result = [lpath compare:rpath];
+    return result == NSOrderedSame ? value : result;
+}
+
+@end
+
 /* Perl-Compatible RegEx {{{ */
 class Pcre {
   private:
@@ -115,7 +408,7 @@ class Pcre {
         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 
         if (code_ == NULL) {
-            fprintf(stderr, "%d:%s\n", offset, error);
+            lprintf("%d:%s\n", offset, error);
             _assert(false);
         }
 
@@ -129,10 +422,12 @@ class Pcre {
     }
 
     NSString *operator [](size_t match) {
-        return [NSString
-            stringWithCString:(data_ + matches_[match * 2])
-            length:(matches_[match * 2 + 1] - matches_[match * 2])
-        ];
+        return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
+    }
+
+    bool operator ()(NSString *data) {
+        // XXX: length is for characters, not for bytes
+        return operator ()([data UTF8String], [data length]);
     }
 
     bool operator ()(const char *data, size_t size) {
@@ -141,83 +436,198 @@ class Pcre {
     }
 };
 /* }}} */
-/* CoreGraphicsServices Primitives {{{ */
+/* Mime Addresses {{{ */
+@interface Address : NSObject {
+    NSString *name_;
+    NSString *address_;
+}
+
+- (NSString *) name;
+- (NSString *) address;
+
++ (Address *) addressWithString:(NSString *)string;
+- (Address *) initWithString:(NSString *)string;
+@end
+
+@implementation Address
+
+- (void) dealloc {
+    [name_ release];
+    if (address_ != nil)
+        [address_ release];
+    [super dealloc];
+}
+
+- (NSString *) name {
+    return name_;
+}
+
+- (NSString *) address {
+    return address_;
+}
+
++ (Address *) addressWithString:(NSString *)string {
+    return [[[Address alloc] initWithString:string] autorelease];
+}
+
++ (NSArray *) _attributeKeys {
+    return [NSArray arrayWithObjects:@"address", @"name", nil];
+}
+
+- (NSArray *) attributeKeys {
+    return [[self class] _attributeKeys];
+}
+
++ (BOOL) isKeyExcludedFromWebScript:(const char *)name {
+    return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
+}
+
+- (Address *) initWithString:(NSString *)string {
+    if ((self = [super init]) != nil) {
+        const char *data = [string UTF8String];
+        size_t size = [string length];
+
+        static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
+
+        if (address_r(data, size)) {
+            name_ = [address_r[1] retain];
+            address_ = [address_r[2] retain];
+        } else {
+            name_ = [string retain];
+            address_ = nil;
+        }
+    } return self;
+}
+
+@end
+/* }}} */
+/* CoreGraphics Primitives {{{ */
 class CGColor {
   private:
     CGColorRef color_;
 
   public:
-    CGColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
-        float color[] = {red, green, blue, alpha};
-        color_ = CGColorCreate(space, color);
+    CGColor() :
+        color_(NULL)
+    {
     }
 
-    ~CGColor() {
-        CGColorRelease(color_);
+    CGColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
+        color_(NULL)
+    {
+        Set(space, red, green, blue, alpha);
     }
 
-    operator CGColorRef() {
-        return color_;
+    void Clear() {
+        if (color_ != NULL)
+            CGColorRelease(color_);
     }
-};
 
-class GSFont {
-  private:
-    GSFontRef font_;
+    ~CGColor() {
+        Clear();
+    }
 
-  public:
-    ~GSFont() {
-        /* XXX: no GSFontRelease()? */
-        CFRelease(font_);
+    void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
+        Clear();
+        float color[] = {red, green, blue, alpha};
+        color_ = CGColorCreate(space, color);
+    }
+
+    operator CGColorRef() {
+        return color_;
     }
 };
 /* }}} */
 
-static const int PulseInterval_ = 50000;
+extern "C" void UISetColor(CGColorRef color);
 
-const char *Firmware_ = NULL;
-const char *Machine_ = NULL;
-const char *SerialNumber_ = NULL;
+/* Random Global Variables {{{ */
+static const int PulseInterval_ = 50000;
+static const int ButtonBarHeight_ = 48;
+static const float KeyboardTime_ = 0.3f;
+
+#define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
+#define SandboxTemplate_ "/usr/share/sandbox/SandboxTemplate.sb"
+
+static CGColor Blue_;
+static CGColor Blueish_;
+static CGColor Black_;
+static CGColor Off_;
+static CGColor White_;
+static CGColor Gray_;
+
+static NSString *App_;
+static NSString *Home_;
+static BOOL Sounds_Keyboard_;
+
+static BOOL Advanced_;
+#if !ForSaurik
+static BOOL Loaded_;
+#endif
+static BOOL Ignored_;
+
+static UIFont *Font12_;
+static UIFont *Font12Bold_;
+static UIFont *Font14_;
+static UIFont *Font18Bold_;
+static UIFont *Font22Bold_;
+
+static const char *Machine_ = NULL;
+static const NSString *UniqueID_ = NULL;
 
 unsigned Major_;
 unsigned Minor_;
 unsigned BugFix_;
 
+CFLocaleRef Locale_;
+CGColorSpaceRef space_;
+
 #define FW_LEAST(major, minor, bugfix) \
-    (major > Major_ || major == Major_ && \
-        (minor > Minor_ || minor == Minor_ && \
-            bugfix >= BugFix_))
+    (major < Major_ || major == Major_ && \
+        (minor < Minor_ || minor == Minor_ && \
+            bugfix <= BugFix_))
 
-bool bootstrap_ = false;
+bool bootstrap_;
+bool reload_;
 
+static NSDictionary *SectionMap_;
 static NSMutableDictionary *Metadata_;
-static NSMutableDictionary *Packages_;
+static _transient NSMutableDictionary *Settings_;
+static _transient NSString *Role_;
+static _transient NSMutableDictionary *Packages_;
+static _transient NSMutableDictionary *Sections_;
+static _transient NSMutableDictionary *Sources_;
+static bool Changed_;
 static NSDate *now_;
 
+#if RecycleWebViews
+static NSMutableArray *Documents_;
+#endif
+
 NSString *GetLastUpdate() {
     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 
     if (update == nil)
         return @"Never or Unknown";
 
-    CFLocaleRef locale = CFLocaleCopyCurrent();
-    CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, locale, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
+    CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
 
     CFRelease(formatter);
-    CFRelease(locale);
 
     return [(NSString *) formatted autorelease];
 }
-
-@protocol ProgressDelegate
-- (void) setError:(NSString *)error;
-- (void) setTitle:(NSString *)title;
-- (void) setPercent:(float)percent;
-- (void) addOutput:(NSString *)output;
-@end
+/* }}} */
+/* Display Helpers {{{ */
+inline float Interpolate(float begin, float end, float fraction) {
+    return (end - begin) * fraction + begin;
+}
 
 NSString *SizeString(double size) {
+    bool negative = size < 0;
+    if (negative)
+        size = -size;
+
     unsigned power = 0;
     while (size > 1024) {
         size /= 1024;
@@ -226,41 +636,95 @@ NSString *SizeString(double size) {
 
     static const char *powers_[] = {"B", "kB", "MB", "GB"};
 
-    return [NSString stringWithFormat:@"%.1f%s", size, powers_[power]];
+    return [NSString stringWithFormat:@"%s%.1f %s", (negative ? "-" : ""), size, powers_[power]];
+}
+
+NSString *StripVersion(NSString *version) {
+    NSRange colon = [version rangeOfString:@":"];
+    if (colon.location != NSNotFound)
+        version = [version substringFromIndex:(colon.location + 1)];
+    return version;
 }
 
-static const float TextViewOffset_ = 22;
+NSString *Simplify(NSString *title) {
+    const char *data = [title UTF8String];
+    size_t size = [title length];
 
-UITextView *GetTextView(NSString *value, float left, bool html) {
-    UITextView *text([[[UITextView alloc] initWithFrame:CGRectMake(left, 3, 310 - left, 1000)] autorelease]);
-    [text setEditable:NO];
-    [text setTextSize:16];
-    if (html)
-        [text setHTML:value];
-    else
-        [text setText:value];
-    [text setEnabled:NO];
+    static Pcre square_r("^\\[(.*)\\]$");
+    if (square_r(data, size))
+        return Simplify(square_r[1]);
+
+    static Pcre paren_r("^\\((.*)\\)$");
+    if (paren_r(data, size))
+        return Simplify(paren_r[1]);
+
+    static Pcre title_r("^(.*?) \\(.*\\)$");
+    if (title_r(data, size))
+        return Simplify(title_r[1]);
+
+    return title;
+}
+/* }}} */
+
+bool isSectionVisible(NSString *section) {
+    NSDictionary *metadata = [Sections_ objectForKey:section];
+    NSNumber *hidden = metadata == nil ? nil : [metadata objectForKey:@"Hidden"];
+    return hidden == nil || ![hidden boolValue];
+}
+
+/* Delegate Prototypes {{{ */
+@class Package;
+@class Source;
 
-    CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
-    CGColor clear(space, 0, 0, 0, 0);
-    [text setBackgroundColor:clear];
-    CGColorSpaceRelease(space);
+@interface NSObject (ProgressDelegate)
+@end
 
-    CGRect frame = [text frame];
-    [text setFrame:frame];
-    CGRect rect = [text visibleTextRect];
-    frame.size.height = rect.size.height;
-    [text setFrame:frame];
+@implementation NSObject(ProgressDelegate)
 
-    return text;
+- (void) _setProgressError:(NSArray *)args {
+    [self performSelector:@selector(setProgressError:forPackage:)
+        withObject:[args objectAtIndex:0]
+        withObject:([args count] == 1 ? nil : [args objectAtIndex:1])
+    ];
 }
 
+@end
+
+@protocol ProgressDelegate
+- (void) setProgressError:(NSString *)error forPackage:(NSString *)id;
+- (void) setProgressTitle:(NSString *)title;
+- (void) setProgressPercent:(float)percent;
+- (void) startProgress;
+- (void) addProgressOutput:(NSString *)output;
+- (bool) isCancelling:(size_t)received;
+@end
+
+@protocol ConfigurationDelegate
+- (void) repairWithSelector:(SEL)selector;
+- (void) setConfigurationData:(NSString *)data;
+@end
+
+@protocol CydiaDelegate
+- (void) installPackage:(Package *)package;
+- (void) removePackage:(Package *)package;
+- (void) slideUp:(UIActionSheet *)alert;
+- (void) distUpgrade;
+- (void) updateData;
+- (void) syncData;
+- (void) askForSettings;
+- (UIProgressHUD *) addProgressHUD;
+- (RVPage *) pageForURL:(NSURL *)url hasTag:(int *)tag;
+- (RVPage *) pageForPackage:(NSString *)name;
+- (void) openMailToURL:(NSURL *)url;
+@end
+/* }}} */
+
 /* Status Delegation {{{ */
 class Status :
     public pkgAcquireStatus
 {
   private:
-    id delegate_;
+    _transient NSObject<ProgressDelegate> *delegate_;
 
   public:
     Status() :
@@ -280,7 +744,7 @@ class Status :
     }
 
     virtual void Fetch(pkgAcquire::ItemDesc &item) {
-        [delegate_ setTitle:[NSString stringWithCString:("Downloading " + item.ShortDesc).c_str()]];
+        [delegate_ setProgressTitle:[NSString stringWithUTF8String:("Downloading " + item.ShortDesc).c_str()]];
     }
 
     virtual void Done(pkgAcquire::ItemDesc &item) {
@@ -293,7 +757,21 @@ class Status :
         )
             return;
 
-        [delegate_ setError:[NSString stringWithCString:item.Owner->ErrorText.c_str()]];
+        std::string &error(item.Owner->ErrorText);
+        if (error.empty())
+            return;
+
+        NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
+        NSArray *fields([description componentsSeparatedByString:@" "]);
+        NSString *source([fields count] == 0 ? nil : [fields objectAtIndex:0]);
+
+        [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
+            withObject:[NSArray arrayWithObjects:
+                [NSString stringWithUTF8String:error.c_str()],
+                source,
+            nil]
+            waitUntilDone:YES
+        ];
     }
 
     virtual bool Pulse(pkgAcquire *Owner) {
@@ -304,11 +782,12 @@ class Status :
             double(TotalBytes + TotalItems)
         );
 
-        [delegate_ setPercent:percent];
-        return value;
+        [delegate_ setProgressPercent:percent];
+        return [delegate_ isCancelling:CurrentBytes] ? false : value;
     }
 
     virtual void Start() {
+        [delegate_ startProgress];
     }
 
     virtual void Stop() {
@@ -320,12 +799,12 @@ class Progress :
     public OpProgress
 {
   private:
-    id delegate_;
+    _transient id<ProgressDelegate> delegate_;
 
   protected:
     virtual void Update() {
-        [delegate_ setTitle:[NSString stringWithCString:Op.c_str()]];
-        [delegate_ setPercent:(Percent / 100)];
+        [delegate_ setProgressTitle:[NSString stringWithUTF8String:Op.c_str()]];
+        [delegate_ setProgressPercent:(Percent / 100)];
     }
 
   public:
@@ -339,669 +818,431 @@ class Progress :
     }
 
     virtual void Done() {
-        [delegate_ setPercent:1];
+        [delegate_ setProgressPercent:1];
     }
 };
 /* }}} */
 
-/* External Constants {{{ */
-extern NSString *kUIButtonBarButtonAction;
-extern NSString *kUIButtonBarButtonInfo;
-extern NSString *kUIButtonBarButtonInfoOffset;
-extern NSString *kUIButtonBarButtonSelectedInfo;
-extern NSString *kUIButtonBarButtonStyle;
-extern NSString *kUIButtonBarButtonTag;
-extern NSString *kUIButtonBarButtonTarget;
-extern NSString *kUIButtonBarButtonTitle;
-extern NSString *kUIButtonBarButtonTitleVerticalHeight;
-extern NSString *kUIButtonBarButtonTitleWidth;
-extern NSString *kUIButtonBarButtonType;
-/* }}} */
-/* Mime Addresses {{{ */
-Pcre email_r("^\"?(.*)\"? <([^>]*)>$");
+/* Database Interface {{{ */
+@interface Database : NSObject {
+    pkgCacheFile cache_;
+    pkgDepCache::Policy *policy_;
+    pkgRecords *records_;
+    pkgProblemResolver *resolver_;
+    pkgAcquire *fetcher_;
+    FileFd *lock_;
+    SPtr<pkgPackageManager> manager_;
+    pkgSourceList *list_;
 
-@interface Address : NSObject {
-    NSString *name_;
-    NSString *email_;
-}
+    NSMutableDictionary *sources_;
+    NSMutableArray *packages_;
 
-- (void) dealloc;
+    _transient NSObject<ConfigurationDelegate, ProgressDelegate> *delegate_;
+    Status status_;
+    Progress progress_;
 
-- (NSString *) name;
-- (NSString *) email;
+    int cydiafd_;
+    int statusfd_;
+    FILE *input_;
+}
 
-+ (Address *) addressWithString:(NSString *)string;
-- (Address *) initWithString:(NSString *)string;
-@end
++ (Database *) sharedInstance;
 
-@implementation Address
+- (void) _readCydia:(NSNumber *)fd;
+- (void) _readStatus:(NSNumber *)fd;
+- (void) _readOutput:(NSNumber *)fd;
 
-- (void) dealloc {
-    [name_ release];
-    if (email_ != nil)
-        [email_ release];
-    [super dealloc];
-}
+- (FILE *) input;
 
-- (NSString *) name {
-    return name_;
-}
+- (Package *) packageWithName:(NSString *)name;
 
-- (NSString *) email {
-    return email_;
-}
-
-+ (Address *) addressWithString:(NSString *)string {
-    return [[[Address alloc] initWithString:string] autorelease];
-}
-
-- (Address *) initWithString:(NSString *)string {
-    if ((self = [super init]) != nil) {
-        const char *data = [string UTF8String];
-        size_t size = [string length];
-
-        if (email_r(data, size)) {
-            name_ = [email_r[1] retain];
-            email_ = [email_r[2] retain];
-        } else {
-            name_ = [[NSString stringWithCString:data length:size] retain];
-            email_ = nil;
-        }
-    } return self;
-}
-
-@end
-/* }}} */
-
-/* Right Alignment {{{ */
-@interface UIRightTextLabel : UITextLabel {
-    float       _savedRightEdgeX;
-    BOOL        _sizedtofit_flag;
-}
-
-- (void) setFrame:(CGRect)frame;
-- (void) setText:(NSString *)text;
-- (void) realignText;
-@end
-
-@implementation UIRightTextLabel
-
-- (void) setFrame:(CGRect)frame {
-    [super setFrame:frame];
-    if (_sizedtofit_flag == NO) {
-        _savedRightEdgeX = frame.origin.x;
-        [self realignText];
-    }
-}
-
-- (void) setText:(NSString *)text {
-    [super setText:text];
-    [self realignText];
-}
-
-- (void) realignText {
-    CGRect oldFrame = [self frame];
-
-    _sizedtofit_flag = YES;
-    [self sizeToFit]; // shrink down size so I can right align it
-
-    CGRect newFrame = [self frame];
-
-    oldFrame.origin.x = _savedRightEdgeX - newFrame.size.width;
-    oldFrame.size.width = newFrame.size.width;
-    [super setFrame:oldFrame];
-    _sizedtofit_flag = NO;
-}
-
-@end
-/* }}} */
-/* Linear Algebra {{{ */
-inline float interpolate(float begin, float end, float fraction) {
-    return (end - begin) * fraction + begin;
-}
-/* }}} */
-
-@class Package;
-
-/* Database Interface {{{ */
-@interface Database : NSObject {
-    pkgCacheFile cache_;
-    pkgRecords *records_;
-    pkgProblemResolver *resolver_;
-    pkgAcquire *fetcher_;
-    FileFd *lock_;
-    SPtr<pkgPackageManager> manager_;
-
-    id delegate_;
-    Status status_;
-    Progress progress_;
-    int statusfd_;
-}
-
-- (void) dealloc;
-
-- (void) _readStatus:(NSNumber *)fd;
-- (void) _readOutput:(NSNumber *)fd;
-
-- (Package *) packageWithName:(NSString *)name;
-
-- (Database *) init;
 - (pkgCacheFile &) cache;
+- (pkgDepCache::Policy *) policy;
 - (pkgRecords *) records;
 - (pkgProblemResolver *) resolver;
 - (pkgAcquire &) fetcher;
+- (NSArray *) packages;
+- (NSArray *) sources;
 - (void) reloadData;
 
+- (void) configure;
 - (void) prepare;
 - (void) perform;
-- (void) update;
 - (void) upgrade;
+- (void) update;
+
+- (void) updateWithStatus:(Status &)status;
 
 - (void) setDelegate:(id)delegate;
+- (Source *) getSource:(const pkgCache::PkgFileIterator &)file;
 @end
 /* }}} */
 
-/* Reset View {{{ */
-@interface ResetView : UIView {
-    UIPushButton *configure_;
-    UIPushButton *reload_;
-    NSMutableArray *views_;
-    UINavigationBar *navbar_;
-    UITransitionView *transition_;
-    bool resetting_;
-    id delegate_;
+/* Source Class {{{ */
+@interface Source : NSObject {
+    NSString *description_;
+    NSString *label_;
+    NSString *origin_;
+
+    NSString *uri_;
+    NSString *distribution_;
+    NSString *type_;
+    NSString *version_;
+
+    NSString *defaultIcon_;
+
+    NSDictionary *record_;
+    BOOL trusted_;
 }
 
-- (void) dealloc;
+- (Source *) initWithMetaIndex:(metaIndex *)index;
 
-- (void) navigationBar:(UINavigationBar *)navbar poppedItem:(UINavigationItem *)item;
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button;
+- (NSComparisonResult) compareByNameAndType:(Source *)source;
 
-- (id) initWithFrame:(CGRect)frame;
-- (void) setDelegate:(id)delegate;
+- (NSDictionary *) record;
+- (BOOL) trusted;
+
+- (NSString *) uri;
+- (NSString *) distribution;
+- (NSString *) type;
+- (NSString *) key;
+- (NSString *) host;
 
-- (void) configurePushed;
-- (void) reloadPushed;
+- (NSString *) name;
+- (NSString *) description;
+- (NSString *) label;
+- (NSString *) origin;
+- (NSString *) version;
+
+- (NSString *) defaultIcon;
 
-- (void) pushView:(UIView *)view withTitle:(NSString *)title backButtonTitle:(NSString *)back rightButton:(NSString *)right;
-- (void) popViews:(unsigned)views;
-- (void) resetView:(BOOL)clear;
-- (void) _resetView;
-- (void) setPrompt;
 @end
 
-@implementation ResetView
+@implementation Source
 
 - (void) dealloc {
-    [configure_ release];
-    [reload_ release];
-    [transition_ release];
-    [navbar_ release];
-    [views_ release];
+    [uri_ release];
+    [distribution_ release];
+    [type_ release];
+
+    if (description_ != nil)
+        [description_ release];
+    if (label_ != nil)
+        [label_ release];
+    if (origin_ != nil)
+        [origin_ release];
+    if (version_ != nil)
+        [version_ release];
+    if (defaultIcon_ != nil)
+        [defaultIcon_ release];
+    if (record_ != nil)
+        [record_ release];
+
     [super dealloc];
 }
 
-- (void) navigationBar:(UINavigationBar *)navbar poppedItem:(UINavigationItem *)item {
-    [views_ removeLastObject];
-    UIView *view([views_ lastObject]);
-    [view resetViewAnimated:!resetting_];
-
-    if (!resetting_) {
-        [transition_ transition:2 toView:view];
-        [self _resetView];
-    }
++ (NSArray *) _attributeKeys {
+    return [NSArray arrayWithObjects:@"description", @"distribution", @"host", @"key", @"label", @"name", @"origin", @"trusted", @"type", @"uri", @"version", nil];
 }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+- (NSArray *) attributeKeys {
+    return [[self class] _attributeKeys];
 }
 
-- (id) initWithFrame:(CGRect)frame {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        views_ = [[NSMutableArray arrayWithCapacity:4] retain];
++ (BOOL) isKeyExcludedFromWebScript:(const char *)name {
+    return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
+}
 
-        struct CGRect bounds = [self bounds];
-        CGSize navsize = [UINavigationBar defaultSizeWithPrompt];
-        CGRect navrect = {{0, 0}, navsize};
+- (Source *) initWithMetaIndex:(metaIndex *)index {
+    if ((self = [super init]) != nil) {
+        trusted_ = index->IsTrusted();
+
+        uri_ = [[NSString stringWithUTF8String:index->GetURI().c_str()] retain];
+        distribution_ = [[NSString stringWithUTF8String:index->GetDist().c_str()] retain];
+        type_ = [[NSString stringWithUTF8String:index->GetType()] retain];
+
+        debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
+        if (dindex != NULL) {
+            std::ifstream release(dindex->MetaIndexFile("Release").c_str());
+            std::string line;
+            while (std::getline(release, line)) {
+                std::string::size_type colon(line.find(':'));
+                if (colon == std::string::npos)
+                    continue;
+
+                std::string name(line.substr(0, colon));
+                std::string value(line.substr(colon + 1));
+                while (!value.empty() && value[0] == ' ')
+                    value = value.substr(1);
+
+                if (name == "Default-Icon")
+                    defaultIcon_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+                else if (name == "Description")
+                    description_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+                else if (name == "Label")
+                    label_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+                else if (name == "Origin")
+                    origin_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+                else if (name == "Version")
+                    version_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+            }
+        }
 
-        navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
-        [self addSubview:navbar_];
+        record_ = [Sources_ objectForKey:[self key]];
+        if (record_ != nil)
+            record_ = [record_ retain];
+    } return self;
+}
 
-        [navbar_ setBarStyle:1];
-        [navbar_ setDelegate:self];
+- (NSComparisonResult) compareByNameAndType:(Source *)source {
+    NSDictionary *lhr = [self record];
+    NSDictionary *rhr = [source record];
 
-        transition_ = [[UITransitionView alloc] initWithFrame:CGRectMake(
-            bounds.origin.x, bounds.origin.y + navsize.height, bounds.size.width, bounds.size.height - navsize.height
-        )];
+    if (lhr != rhr)
+        return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
 
-        //configure_ = [[UIPushButton alloc] initWithFrame:CGRectMake(15, 9, 17, 18)];
-        configure_ = [[UIPushButton alloc] initWithFrame:CGRectMake(10, 9, 17, 18)];
-        [configure_ setShowPressFeedback:YES];
-        [configure_ setImage:[UIImage applicationImageNamed:@"configure.png"]];
-        [configure_ addTarget:self action:@selector(configurePushed) forEvents:1];
+    NSString *lhs = [self name];
+    NSString *rhs = [source name];
 
-        //reload_ = [[UIPushButton alloc] initWithFrame:CGRectMake(288, 5, 18, 22)];
-        reload_ = [[UIPushButton alloc] initWithFrame:CGRectMake(293, 5, 18, 22)];
-        [reload_ setShowPressFeedback:YES];
-        [reload_ setImage:[UIImage applicationImageNamed:@"reload.png"]];
-        [reload_ addTarget:self action:@selector(reloadPushed) forEvents:1];
+    if ([lhs length] != 0 && [rhs length] != 0) {
+        unichar lhc = [lhs characterAtIndex:0];
+        unichar rhc = [rhs characterAtIndex:0];
 
-        [navbar_ addSubview:configure_];
-        [navbar_ addSubview:reload_];
+        if (isalpha(lhc) && !isalpha(rhc))
+            return NSOrderedAscending;
+        else if (!isalpha(lhc) && isalpha(rhc))
+            return NSOrderedDescending;
+    }
 
-        [self addSubview:transition_];
-    } return self;
+    return [lhs compare:rhs options:CompareOptions_];
 }
 
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
+- (NSDictionary *) record {
+    return record_;
 }
 
-- (void) configurePushed {
-    UIAlertSheet *sheet = [[[UIAlertSheet alloc]
-        initWithTitle:@"Sources Unimplemented"
-        buttons:[NSArray arrayWithObjects:@"Okay", nil]
-        defaultButtonIndex:0
-        delegate:self
-        context:self
-    ] autorelease];
-
-    [sheet setBodyText:@"This feature will be implemented soon. In the mean time, you may add sources by adding .list files to '/etc/apt/sources.list.d' or modifying '/etc/apt/sources.list'."];
-    [sheet popupAlertAnimated:YES];
+- (BOOL) trusted {
+    return trusted_;
 }
 
-- (void) reloadPushed {
-    [delegate_ update];
+- (NSString *) uri {
+    return uri_;
 }
 
-- (void) pushView:(UIView *)view withTitle:(NSString *)title backButtonTitle:(NSString *)back rightButton:(NSString *)right {
-    UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:title] autorelease];
-    [navbar_ pushNavigationItem:navitem];
-    [navitem setBackButtonTitle:back];
-
-    [navbar_ showButtonsWithLeftTitle:nil rightTitle:right];
-
-    [transition_ transition:([views_ count] == 0 ? 0 : 1) toView:view];
-    [views_ addObject:view];
+- (NSString *) distribution {
+    return distribution_;
 }
 
-- (void) popViews:(unsigned)views {
-    resetting_ = true;
-    for (unsigned i(0); i != views; ++i)
-        [navbar_ popNavigationItem];
-    resetting_ = false;
-
-    [self _resetView];
-    [transition_ transition:2 toView:[views_ lastObject]];
+- (NSString *) type {
+    return type_;
 }
 
-- (void) resetView:(BOOL)clear {
-    resetting_ = true;
-
-    if ([views_ count] > 1) {
-        [navbar_ disableAnimation];
-        while ([views_ count] != (clear ? 1 : 2))
-            [navbar_ popNavigationItem];
-        [navbar_ enableAnimation];
-        if (!clear)
-            [navbar_ popNavigationItem];
-    }
+- (NSString *) key {
+    return [NSString stringWithFormat:@"%@:%@:%@", type_, uri_, distribution_];
+}
 
-    resetting_ = false;
+- (NSString *) host {
+    return [[[NSURL URLWithString:[self uri]] host] lowercaseString];
+}
 
-    [self _resetView];
-    [transition_ transition:(clear ? 0 : 2) toView:[views_ lastObject]];
+- (NSString *) name {
+    return origin_ == nil ? [self host] : origin_;
 }
 
-- (void) _resetView {
-    [navbar_ showButtonsWithLeftTitle:nil rightTitle:nil];
+- (NSString *) description {
+    return description_;
 }
 
-- (void) setPrompt {
-    [navbar_ setPrompt:[NSString stringWithFormat:@"Last Updated: %@", GetLastUpdate()]];
+- (NSString *) label {
+    return label_ == nil ? [self host] : label_;
 }
 
-@end
-/* }}} */
-/* Confirmation View {{{ */
-void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString *key) {
-    if ([packages count] == 0)
-        return;
+- (NSString *) origin {
+    return origin_;
+}
 
-    UITextView *text = GetTextView([packages count] == 0 ? @"n/a" : [packages componentsJoinedByString:@", "], 110, false);
-    [fields setObject:text forKey:key];
+- (NSString *) version {
+    return version_;
+}
 
-    CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
-    CGColor blue(space, 0, 0, 0.4, 1);
-    [text setTextColor:blue];
-    CGColorSpaceRelease(space);
+- (NSString *) defaultIcon {
+    return defaultIcon_;
 }
 
-@protocol ConfirmationViewDelegate
-- (void) cancel;
-- (void) confirm;
 @end
-
-@interface ConfirmationView : UIView {
-    Database *database_;
-    id delegate_;
-    UITransitionView *transition_;
-    UIView *overlay_;
-    UINavigationBar *navbar_;
-    UIPreferencesTable *table_;
-    NSMutableDictionary *fields_;
-    UIAlertSheet *essential_;
+/* }}} */
+/* Relationship Class {{{ */
+@interface Relationship : NSObject {
+    NSString *type_;
+    NSString *id_;
 }
 
-- (void) dealloc;
-- (void) cancel;
-
-- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to;
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button;
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button;
-
-- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table;
-- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group;
-- (float) preferencesTable:(UIPreferencesTable *)table heightForRow:(int)row inGroup:(int)group withProposedHeight:(float)proposed;
-- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group;
-- (UIPreferencesTableCell *) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group;
-
-- (id) initWithView:(UIView *)view database:(Database *)database delegate:(id)delegate;
+- (NSString *) type;
+- (NSString *) id;
+- (NSString *) name;
 
 @end
 
-@implementation ConfirmationView
+@implementation Relationship
 
 - (void) dealloc {
-    [transition_ release];
-    [overlay_ release];
-    [navbar_ release];
-    [table_ release];
-    [fields_ release];
-    if (essential_ != nil)
-        [essential_ release];
+    [type_ release];
+    [id_ release];
     [super dealloc];
 }
 
-- (void) cancel {
-    [transition_ transition:7 toView:nil];
-    [delegate_ cancel];
+- (NSString *) type {
+    return type_;
 }
 
-- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
-    if (from != nil && to == nil)
-        [self removeFromSuperview];
+- (NSString *) id {
+    return id_;
 }
 
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
-    switch (button) {
-        case 0:
-            if (essential_ != nil)
-                [essential_ popupAlertAnimated:YES];
-            else
-                [delegate_ confirm];
-        break;
-
-        case 1:
-            [self cancel];
-        break;
-    }
+- (NSString *) name {
+    _assert(false);
+    return nil;
 }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [essential_ dismiss];
-    [self cancel];
-}
+@end
+/* }}} */
+/* Package Class {{{ */
+NSString *Scour(const char *field, const char *begin, const char *end) {
+    size_t i(0), l(strlen(field));
 
-- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
-    return 2;
-}
+    for (;;) {
+        const char *name = begin + i;
+        const char *colon = name + l;
+        const char *value = colon + 1;
 
-- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
-    switch (group) {
-        case 0: return @"Statistics";
-        case 1: return @"Modifications";
+        if (
+            value < end &&
+            *colon == ':' &&
+            strncasecmp(name, field, l) == 0
+        ) {
+            while (value != end && value[0] == ' ')
+                ++value;
+            const char *line = std::find(value, end, '\n');
+            while (line != value && line[-1] == ' ')
+                --line;
 
-        default: _assert(false);
+            return [NSString stringWithUTF8Bytes:value length:(line - value)];
+        } else {
+            begin = std::find(begin, end, '\n');
+            if (begin == end)
+                return nil;
+            ++begin;
+        }
     }
 }
 
-- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
-    switch (group) {
-        case 0: return 3;
-        case 1: return [fields_ count];
+@interface Package : NSObject {
+    pkgCache::PkgIterator iterator_;
+    _transient Database *database_;
+    pkgCache::VerIterator version_;
+    pkgCache::VerFileIterator file_;
 
-        default: _assert(false);
-    }
-}
+    Source *source_;
+    bool cached_;
 
-- (float) preferencesTable:(UIPreferencesTable *)table heightForRow:(int)row inGroup:(int)group withProposedHeight:(float)proposed {
-    if (group != 1 || row == -1)
-        return proposed;
-    else {
-        _assert(size_t(row) < [fields_ count]);
-        return [[[fields_ allValues] objectAtIndex:row] visibleTextRect].size.height + TextViewOffset_;
-    }
+    NSString *section_;
+
+    NSString *latest_;
+    NSString *installed_;
+
+    NSString *id_;
+    NSString *name_;
+    NSString *tagline_;
+    NSString *icon_;
+    NSString *depiction_;
+    NSString *homepage_;
+    Address *sponsor_;
+    Address *author_;
+    NSArray *tags_;
+    NSString *role_;
+
+    NSArray *relationships_;
 }
 
-- (UIPreferencesTableCell *) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
-    UIPreferencesTableCell *cell = [[[UIPreferencesTableCell alloc] init] autorelease];
-    [cell setShowSelection:NO];
+- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
++ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
 
-    switch (group) {
-        case 0: switch (row) {
-            case 0: {
-                [cell setTitle:@"Downloading"];
-                [cell setValue:SizeString([database_ fetcher].FetchNeeded())];
-            } break;
+- (pkgCache::PkgIterator) iterator;
 
-            case 1: {
-                [cell setTitle:@"Resuming At"];
-                [cell setValue:SizeString([database_ fetcher].PartialPresent())];
-            } break;
+- (NSString *) section;
+- (Address *) maintainer;
+- (size_t) size;
+- (NSString *) description;
+- (NSString *) index;
 
-            case 2: {
-                double size([database_ cache]->UsrSize());
+- (NSMutableDictionary *) metadata;
+- (NSDate *) seen;
+- (BOOL) subscribed;
+- (BOOL) ignored;
 
-                if (size < 0) {
-                    [cell setTitle:@"Disk Freeing"];
-                    [cell setValue:SizeString(-size)];
-                } else {
-                    [cell setTitle:@"Disk Using"];
-                    [cell setValue:SizeString(size)];
-                }
-            } break;
+- (NSString *) latest;
+- (NSString *) installed;
 
-            default: _assert(false);
-        } break;
+- (BOOL) valid;
+- (BOOL) upgradableAndEssential:(BOOL)essential;
+- (BOOL) essential;
+- (BOOL) broken;
+- (BOOL) unfiltered;
+- (BOOL) visible;
 
-        case 1:
-            _assert(size_t(row) < [fields_ count]);
-            [cell setTitle:[[fields_ allKeys] objectAtIndex:row]];
-            [cell addSubview:[[fields_ allValues] objectAtIndex:row]];
-        break;
-
-        default: _assert(false);
-    }
-
-    return cell;
-}
-
-- (id) initWithView:(UIView *)view database:(Database *)database delegate:(id)delegate {
-    if ((self = [super initWithFrame:[view bounds]]) != nil) {
-        database_ = database;
-        delegate_ = delegate;
-
-        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
-        [self addSubview:transition_];
-
-        overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
-
-        CGSize navsize = [UINavigationBar defaultSize];
-        CGRect navrect = {{0, 0}, navsize};
-        CGRect bounds = [overlay_ bounds];
-
-        navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
-        [navbar_ setBarStyle:1];
-        [navbar_ setDelegate:self];
-
-        UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:@"Confirm"] autorelease];
-        [navbar_ pushNavigationItem:navitem];
-        [navbar_ showButtonsWithLeftTitle:@"Cancel" rightTitle:@"Confirm"];
-
-        fields_ = [[NSMutableDictionary dictionaryWithCapacity:16] retain];
-
-        NSMutableArray *installing = [NSMutableArray arrayWithCapacity:16];
-        NSMutableArray *upgrading = [NSMutableArray arrayWithCapacity:16];
-        NSMutableArray *removing = [NSMutableArray arrayWithCapacity:16];
-
-        bool install(false);
-        bool upgrade(false);
-        bool remove(false);
-
-        pkgCacheFile &cache([database_ cache]);
-        for (pkgCache::PkgIterator iterator = cache->PkgBegin(); !iterator.end(); ++iterator) {
-            NSString *name([NSString stringWithCString:iterator.Name()]);
-            bool essential((iterator->Flags & pkgCache::Flag::Essential) != 0);
-
-            if (cache[iterator].NewInstall()) {
-                if (essential)
-                    install = true;
-                [installing addObject:name];
-            } else if (cache[iterator].Upgrade()) {
-                if (essential)
-                    upgrade = true;
-                [upgrading addObject:name];
-            } else if (cache[iterator].Delete()) {
-                if (essential)
-                    remove = true;
-                [removing addObject:name];
-            }
-        }
-
-        if (!remove)
-            essential_ = nil;
-        else {
-            essential_ = [[UIAlertSheet alloc]
-                initWithTitle:@"Unable to Comply"
-                buttons:[NSArray arrayWithObjects:@"Okay", nil]
-                defaultButtonIndex:0
-                delegate:self
-                context:self
-            ];
-
-            [essential_ setBodyText:@"One or more of the packages you are about to remove are marked 'Essential' and cannot be removed by Cydia. Please use apt-get."];
-        }
-
-        AddTextView(fields_, installing, @"Installing");
-        AddTextView(fields_, upgrading, @"Upgrading");
-        AddTextView(fields_, removing, @"Removing");
-
-        table_ = [[UIPreferencesTable alloc] initWithFrame:CGRectMake(
-            0, navsize.height, bounds.size.width, bounds.size.height - navsize.height
-        )];
-
-        [table_ setReusesTableCells:YES];
-        [table_ setDataSource:self];
-        [table_ reloadData];
-
-        [overlay_ addSubview:navbar_];
-        [overlay_ addSubview:table_];
-
-        [view addSubview:self];
-
-        [transition_ setDelegate:self];
-
-        UIView *blank = [[[UIView alloc] initWithFrame:[transition_ bounds]] autorelease];
-        [transition_ transition:0 toView:blank];
-        [transition_ transition:3 toView:overlay_];
-    } return self;
-}
-
-@end
-/* }}} */
-
-/* Package Class {{{ */
-NSString *Scour(const char *field, const char *begin, const char *end) {
-    size_t i(0), l(strlen(field));
-
-    for (;;) {
-        const char *name = begin + i;
-        const char *colon = name + l;
-        const char *value = colon + 1;
-
-        if (
-            value < end &&
-            *colon == ':' &&
-            memcmp(name, field, l) == 0
-        ) {
-            while (value != end && value[0] == ' ')
-                ++value;
-            const char *line = std::find(value, end, '\n');
-            while (line != value && line[-1] == ' ')
-                --line;
-            return [NSString stringWithCString:value length:(line - value)];
-        } else {
-            begin = std::find(begin, end, '\n');
-            if (begin == end)
-                return nil;
-            ++begin;
-        }
-    }
-}
-
-@interface Package : NSObject {
-    pkgCache::PkgIterator iterator_;
-    Database *database_;
-    pkgCache::VerIterator version_;
-    pkgCache::VerFileIterator file_;
-
-    NSString *latest_;
-    NSString *installed_;
-
-    NSString *id_;
-    NSString *name_;
-    NSString *tagline_;
-    NSString *icon_;
-    NSString *website_;
-}
-
-- (void) dealloc;
-
-- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database version:(pkgCache::VerIterator)version file:(pkgCache::VerFileIterator)file;
-+ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
-
-- (NSString *) section;
-- (Address *) maintainer;
-- (size_t) size;
-- (NSString *) description;
-- (NSString *) index;
-
-- (NSDate *) seen;
-
-- (NSString *) latest;
-- (NSString *) installed;
-- (BOOL) upgradable;
+- (BOOL) half;
+- (BOOL) halfConfigured;
+- (BOOL) halfInstalled;
+- (BOOL) hasMode;
+- (NSString *) mode;
 
 - (NSString *) id;
 - (NSString *) name;
 - (NSString *) tagline;
-- (NSString *) icon;
-- (NSString *) website;
+- (UIImage *) icon;
+- (NSString *) homepage;
+- (NSString *) depiction;
+- (Address *) author;
+
+- (NSArray *) files;
+- (NSArray *) relationships;
+- (NSArray *) warnings;
+- (NSArray *) applications;
+
+- (Source *) source;
+- (NSString *) role;
 
 - (BOOL) matches:(NSString *)text;
 
+- (bool) hasSupportingRole;
+- (BOOL) hasTag:(NSString *)tag;
+- (NSString *) primaryPurpose;
+- (NSArray *) purposes;
+
 - (NSComparisonResult) compareByName:(Package *)package;
-- (NSComparisonResult) compareBySectionAndName:(Package *)package;
-- (NSComparisonResult) compareForChanges:(Package *)package;
+- (NSComparisonResult) compareBySection:(Package *)package;
+
+- (uint32_t) compareForChanges;
 
 - (void) install;
 - (void) remove;
+
+- (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search;
+- (NSNumber *) isInstalledAndVisible:(NSNumber *)number;
+- (NSNumber *) isVisiblyUninstalledInSection:(NSString *)section;
+- (NSNumber *) isVisibleInSource:(Source *)source;
+
 @end
 
 @implementation Package
 
 - (void) dealloc {
+    if (source_ != nil)
+        [source_ release];
+
+    if (section_ != nil)
+        [section_ release];
+
     [latest_ release];
     if (installed_ != nil)
         [installed_ release];
@@ -1012,76 +1253,194 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     [tagline_ release];
     if (icon_ != nil)
         [icon_ release];
+    if (depiction_ != nil)
+        [depiction_ release];
+    if (homepage_ != nil)
+        [homepage_ release];
+    if (sponsor_ != nil)
+        [sponsor_ release];
+    if (author_ != nil)
+        [author_ release];
+    if (tags_ != nil)
+        [tags_ release];
+    if (role_ != nil)
+        [role_ release];
+
+    if (relationships_ != nil)
+        [relationships_ release];
+
     [super dealloc];
 }
 
-- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database version:(pkgCache::VerIterator)version file:(pkgCache::VerFileIterator)file {
++ (NSArray *) _attributeKeys {
+    return [NSArray arrayWithObjects:@"applications", @"author", @"depiction", @"description", @"essential", @"homepage", @"icon", @"id", @"installed", @"latest", @"maintainer", @"name", @"purposes", @"section", @"size", @"source", @"sponsor", @"tagline", @"warnings", nil];
+}
+
+- (NSArray *) attributeKeys {
+    return [[self class] _attributeKeys];
+}
+
++ (BOOL) isKeyExcludedFromWebScript:(const char *)name {
+    return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
+}
+
+- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
     if ((self = [super init]) != nil) {
         iterator_ = iterator;
         database_ = database;
 
-        version_ = version;
-        file_ = file;
+        version_ = [database_ policy]->GetCandidateVer(iterator_);
+        NSString *latest = version_.end() ? nil : [NSString stringWithUTF8String:version_.VerStr()];
+        latest_ = [StripVersion(latest) retain];
+
+        pkgCache::VerIterator current = iterator_.CurrentVer();
+        NSString *installed = current.end() ? nil : [NSString stringWithUTF8String:current.VerStr()];
+        installed_ = [StripVersion(installed) retain];
 
-        pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
+        if (!version_.end())
+            file_ = version_.FileList();
+        else {
+            pkgCache &cache([database_ cache]);
+            file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
+        }
+
+        id_ = [[NSString stringWithUTF8String:iterator_.Name()] retain];
+
+        if (!file_.end()) {
+            pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
+
+            const char *begin, *end;
+            parser->GetRec(begin, end);
+
+            name_ = Scour("name", begin, end);
+            if (name_ != nil)
+                name_ = [name_ retain];
+            tagline_ = [[NSString stringWithUTF8String:parser->ShortDesc().c_str()] retain];
+            icon_ = Scour("icon", begin, end);
+            if (icon_ != nil)
+                icon_ = [icon_ retain];
+            depiction_ = Scour("depiction", begin, end);
+            if (depiction_ != nil)
+                depiction_ = [depiction_ retain];
+            homepage_ = Scour("homepage", begin, end);
+            if (homepage_ == nil)
+                homepage_ = Scour("website", begin, end);
+            if ([homepage_ isEqualToString:depiction_])
+                homepage_ = nil;
+            if (homepage_ != nil)
+                homepage_ = [homepage_ retain];
+            NSString *sponsor = Scour("sponsor", begin, end);
+            if (sponsor != nil)
+                sponsor_ = [[Address addressWithString:sponsor] retain];
+            NSString *author = Scour("author", begin, end);
+            if (author != nil)
+                author_ = [[Address addressWithString:author] retain];
+            NSString *tags = Scour("tag", begin, end);
+            if (tags != nil)
+                tags_ = [[tags componentsSeparatedByString:@", "] retain];
+        }
 
-        const char *begin, *end;
-        parser->GetRec(begin, end);
+        if (tags_ != nil)
+            for (int i(0), e([tags_ count]); i != e; ++i) {
+                NSString *tag = [tags_ objectAtIndex:i];
+                if ([tag hasPrefix:@"role::"]) {
+                    role_ = [[tag substringFromIndex:6] retain];
+                    break;
+                }
+            }
 
-        latest_ = [[NSString stringWithCString:version_.VerStr()] retain];
-        installed_ = iterator_.CurrentVer().end() ? nil : [[NSString stringWithCString:iterator_.CurrentVer().VerStr()] retain];
+        NSString *solid(latest == nil ? installed : latest);
+        bool changed(false);
 
-        id_ = [[[NSString stringWithCString:iterator_.Name()] lowercaseString] retain];
-        name_ = Scour("Name", begin, end);
-        if (name_ != nil)
-            name_ = [name_ retain];
-        tagline_ = [[NSString stringWithCString:parser->ShortDesc().c_str()] retain];
-        icon_ = Scour("Icon", begin, end);
-        if (icon_ != nil)
-            icon_ = [icon_ retain];
-        website_ = Scour("Website", begin, end);
-        if (website_ != nil)
-            website_ = [website_ retain];
+        NSString *key([id_ lowercaseString]);
 
-        NSMutableDictionary *metadata = [Packages_ objectForKey:id_];
+        NSMutableDictionary *metadata = [Packages_ objectForKey:key];
         if (metadata == nil) {
-            metadata = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+            metadata = [[NSMutableDictionary dictionaryWithObjectsAndKeys:
                 now_, @"FirstSeen",
-            nil];
+            nil] mutableCopy];
+
+            if (solid != nil)
+                [metadata setObject:solid forKey:@"LastVersion"];
+            changed = true;
+        } else {
+            NSDate *first([metadata objectForKey:@"FirstSeen"]);
+            NSDate *last([metadata objectForKey:@"LastSeen"]);
+            NSString *version([metadata objectForKey:@"LastVersion"]);
+
+            if (first == nil) {
+                first = last == nil ? now_ : last;
+                [metadata setObject:first forKey:@"FirstSeen"];
+                changed = true;
+            }
+
+            if (solid != nil)
+                if (version == nil) {
+                    [metadata setObject:solid forKey:@"LastVersion"];
+                    changed = true;
+                } else if (![version isEqualToString:solid]) {
+                    [metadata setObject:solid forKey:@"LastVersion"];
+                    last = now_;
+                    [metadata setObject:last forKey:@"LastSeen"];
+                    changed = true;
+                }
+        }
 
-            [Packages_ setObject:metadata forKey:id_];
+        if (changed) {
+            [Packages_ setObject:metadata forKey:key];
+            Changed_ = true;
         }
     } return self;
 }
 
 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
-    for (pkgCache::VerIterator version = iterator.VersionList(); !version.end(); ++version)
-        for (pkgCache::VerFileIterator file = version.FileList(); !file.end(); ++file)
-            return [[[Package alloc]
-                initWithIterator:iterator 
-                database:database
-                version:version
-                file:file]
-            autorelease];
-    return nil;
+    return [[[Package alloc]
+        initWithIterator:iterator 
+        database:database
+    ] autorelease];
+}
+
+- (pkgCache::PkgIterator) iterator {
+    return iterator_;
 }
 
 - (NSString *) section {
-    return [[NSString stringWithCString:iterator_.Section()] stringByReplacingCharacter:'_' withCharacter:' '];
+    if (section_ != nil)
+        return section_;
+
+    const char *section = iterator_.Section();
+    if (section == NULL)
+        return nil;
+
+    NSString *name = [[NSString stringWithUTF8String:section] stringByReplacingCharacter:' ' withCharacter:'_'];
+
+  lookup:
+    if (NSDictionary *value = [SectionMap_ objectForKey:name])
+        if (NSString *rename = [value objectForKey:@"Rename"]) {
+            name = rename;
+            goto lookup;
+        }
+
+    section_ = [[name stringByReplacingCharacter:'_' withCharacter:' '] retain];
+    return section_;
 }
 
 - (Address *) maintainer {
+    if (file_.end())
+        return nil;
     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
-    return [Address addressWithString:[NSString stringWithCString:parser->Maintainer().c_str()]];
+    return [Address addressWithString:[NSString stringWithUTF8String:parser->Maintainer().c_str()]];
 }
 
 - (size_t) size {
-    return version_->InstalledSize;
+    return version_.end() ? 0 : version_->InstalledSize;
 }
 
 - (NSString *) description {
+    if (file_.end())
+        return nil;
     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
-    NSString *description([NSString stringWithCString:parser->LongDesc().c_str()]);
+    NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
 
     NSArray *lines = [description componentsSeparatedByString:@"\n"];
     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
@@ -1102,8 +1461,32 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return [index length] != 0 && isalpha([index characterAtIndex:0]) ? index : @"123";
 }
 
+- (NSMutableDictionary *) metadata {
+    return [Packages_ objectForKey:[id_ lowercaseString]];
+}
+
 - (NSDate *) seen {
-    return [[Packages_ objectForKey:id_] objectForKey:@"FirstSeen"];
+    NSDictionary *metadata([self metadata]);
+    if ([self subscribed])
+        if (NSDate *last = [metadata objectForKey:@"LastSeen"])
+            return last;
+    return [metadata objectForKey:@"FirstSeen"];
+}
+
+- (BOOL) subscribed {
+    NSDictionary *metadata([self metadata]);
+    if (NSNumber *subscribed = [metadata objectForKey:@"IsSubscribed"])
+        return [subscribed boolValue];
+    else
+        return false;
+}
+
+- (BOOL) ignored {
+    NSDictionary *metadata([self metadata]);
+    if (NSNumber *ignored = [metadata objectForKey:@"IsIgnored"])
+        return [ignored boolValue];
+    else
+        return false;
 }
 
 - (NSString *) latest {
@@ -1114,1310 +1497,4012 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return installed_;
 }
 
-- (BOOL) upgradable {
-    NSString *installed = [self installed];
-    return installed != nil && [[self latest] compare:installed] != NSOrderedSame ? YES : NO;
+- (BOOL) valid {
+    return !version_.end();
+}
+
+- (BOOL) upgradableAndEssential:(BOOL)essential {
+    pkgCache::VerIterator current = iterator_.CurrentVer();
+
+    if (current.end())
+        return essential && [self essential];
+    else {
+        pkgCache::VerIterator candidate = [database_ policy]->GetCandidateVer(iterator_);
+        return !candidate.end() && candidate != current;
+    }
+}
+
+- (BOOL) essential {
+    return (iterator_->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES;
+}
+
+- (BOOL) broken {
+    return [database_ cache][iterator_].InstBroken();
+}
+
+- (BOOL) unfiltered {
+    NSString *section = [self section];
+    return section == nil || isSectionVisible(section);
+}
+
+- (BOOL) visible {
+    return [self hasSupportingRole] && [self unfiltered];
+}
+
+- (BOOL) half {
+    unsigned char current = iterator_->CurrentState;
+    return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
+}
+
+- (BOOL) halfConfigured {
+    return iterator_->CurrentState == pkgCache::State::HalfConfigured;
+}
+
+- (BOOL) halfInstalled {
+    return iterator_->CurrentState == pkgCache::State::HalfInstalled;
+}
+
+- (BOOL) hasMode {
+    pkgDepCache::StateCache &state([database_ cache][iterator_]);
+    return state.Mode != pkgDepCache::ModeKeep;
+}
+
+- (NSString *) mode {
+    pkgDepCache::StateCache &state([database_ cache][iterator_]);
+
+    switch (state.Mode) {
+        case pkgDepCache::ModeDelete:
+            if ((state.iFlags & pkgDepCache::Purge) != 0)
+                return @"Purge";
+            else
+                return @"Remove";
+        case pkgDepCache::ModeKeep:
+            if ((state.iFlags & pkgDepCache::AutoKept) != 0)
+                return nil;
+            else
+                return nil;
+        case pkgDepCache::ModeInstall:
+            if ((state.iFlags & pkgDepCache::ReInstall) != 0)
+                return @"Reinstall";
+            else switch (state.Status) {
+                case -1:
+                    return @"Downgrade";
+                case 0:
+                    return @"Install";
+                case 1:
+                    return @"Upgrade";
+                case 2:
+                    return @"New Install";
+                default:
+                    _assert(false);
+            }
+        default:
+            _assert(false);
+    }
+}
+
+- (NSString *) id {
+    return id_;
+}
+
+- (NSString *) name {
+    return name_ == nil ? id_ : name_;
+}
+
+- (NSString *) tagline {
+    return tagline_;
+}
+
+- (UIImage *) icon {
+    NSString *section = [self section];
+    if (section != nil)
+        section = Simplify(section);
+
+    UIImage *icon(nil);
+    if (NSString *icon = icon_)
+        icon = [UIImage imageAtPath:[icon_ substringFromIndex:6]];
+    if (icon == nil) if (section != nil)
+        icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
+    if (icon == nil) if (source_ != nil) if (NSString *icon = [source_ defaultIcon])
+        icon = [UIImage imageAtPath:[icon substringFromIndex:6]];
+    if (icon == nil)
+        icon = [UIImage applicationImageNamed:@"unknown.png"];
+    return icon;
+}
+
+- (NSString *) homepage {
+    return homepage_;
+}
+
+- (NSString *) depiction {
+    return depiction_;
+}
+
+- (Address *) sponsor {
+    return sponsor_;
+}
+
+- (Address *) author {
+    return author_;
+}
+
+- (NSArray *) files {
+    NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", id_];
+    NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
+
+    std::ifstream fin;
+    fin.open([path UTF8String]);
+    if (!fin.is_open())
+        return nil;
+
+    std::string line;
+    while (std::getline(fin, line))
+        [files addObject:[NSString stringWithUTF8String:line.c_str()]];
+
+    return files;
+}
+
+- (NSArray *) relationships {
+    return relationships_;
+}
+
+- (NSArray *) warnings {
+    NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
+    const char *name(iterator_.Name());
+
+    size_t length(strlen(name));
+    if (length < 2) invalid:
+        [warnings addObject:@"illegal package identifier"];
+    else for (size_t i(0); i != length; ++i)
+        if (
+            (name[i] < 'a' || name[i] > 'z') &&
+            (name[i] < '0' || name[i] > '9') &&
+            (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
+        ) goto invalid;
+
+    if (strcmp(name, "cydia") != 0) {
+        bool cydia = false;
+        bool stash = false;
+
+        if (NSArray *files = [self files])
+            for (NSString *file in files)
+                if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
+                    cydia = true;
+                else if (!stash && [file isEqualToString:@"/var/stash"])
+                    stash = true;
+
+        if (cydia)
+            [warnings addObject:@"files installed into Cydia.app"];
+        if (stash)
+            [warnings addObject:@"files installed to /var/stash"];
+    }
+
+    return [warnings count] == 0 ? nil : warnings;
+}
+
+- (NSArray *) applications {
+    NSString *me([[NSBundle mainBundle] bundleIdentifier]);
+
+    NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
+
+    static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
+    if (NSArray *files = [self files])
+        for (NSString *file in files)
+            if (application_r(file)) {
+                NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
+                NSString *id([info objectForKey:@"CFBundleIdentifier"]);
+                if ([id isEqualToString:me])
+                    continue;
+
+                NSString *display([info objectForKey:@"CFBundleDisplayName"]);
+                if (display == nil)
+                    display = application_r[1];
+
+                NSString *bundle([file stringByDeletingLastPathComponent]);
+                NSString *icon([info objectForKey:@"CFBundleIconFile"]);
+                if (icon == nil || [icon length] == 0)
+                    icon = @"icon.png";
+                NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
+
+                NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
+                [applications addObject:application];
+
+                [application addObject:id];
+                [application addObject:display];
+                [application addObject:url];
+            }
+
+    return [applications count] == 0 ? nil : applications;
+}
+
+- (Source *) source {
+    if (!cached_) {
+        source_ = file_.end() ? nil : [[database_ getSource:file_.File()] retain];
+        cached_ = true;
+    }
+
+    return source_;
+}
+
+- (NSString *) role {
+    return role_;
+}
+
+- (BOOL) matches:(NSString *)text {
+    if (text == nil)
+        return NO;
+
+    NSRange range;
+
+    range = [[self id] rangeOfString:text options:NSCaseInsensitiveSearch];
+    if (range.location != NSNotFound)
+        return YES;
+
+    range = [[self name] rangeOfString:text options:NSCaseInsensitiveSearch];
+    if (range.location != NSNotFound)
+        return YES;
+
+    range = [[self tagline] rangeOfString:text options:NSCaseInsensitiveSearch];
+    if (range.location != NSNotFound)
+        return YES;
+
+    return NO;
+}
+
+- (bool) hasSupportingRole {
+    if (role_ == nil)
+        return true;
+    if ([role_ isEqualToString:@"enduser"])
+        return true;
+    if ([Role_ isEqualToString:@"User"])
+        return false;
+    if ([role_ isEqualToString:@"hacker"])
+        return true;
+    if ([Role_ isEqualToString:@"Hacker"])
+        return false;
+    if ([role_ isEqualToString:@"developer"])
+        return true;
+    if ([Role_ isEqualToString:@"Developer"])
+        return false;
+    _assert(false);
+}
+
+- (BOOL) hasTag:(NSString *)tag {
+    return tags_ == nil ? NO : [tags_ containsObject:tag];
+}
+
+- (NSString *) primaryPurpose {
+    for (NSString *tag in tags_)
+        if ([tag hasPrefix:@"purpose::"])
+            return [tag substringFromIndex:9];
+    return nil;
+}
+
+- (NSArray *) purposes {
+    NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
+    for (NSString *tag in tags_)
+        if ([tag hasPrefix:@"purpose::"])
+            [purposes addObject:[tag substringFromIndex:9]];
+    return [purposes count] == 0 ? nil : purposes;
+}
+
+- (NSComparisonResult) compareByName:(Package *)package {
+    NSString *lhs = [self name];
+    NSString *rhs = [package name];
+
+    if ([lhs length] != 0 && [rhs length] != 0) {
+        unichar lhc = [lhs characterAtIndex:0];
+        unichar rhc = [rhs characterAtIndex:0];
+
+        if (isalpha(lhc) && !isalpha(rhc))
+            return NSOrderedAscending;
+        else if (!isalpha(lhc) && isalpha(rhc))
+            return NSOrderedDescending;
+    }
+
+    return [lhs compare:rhs options:CompareOptions_];
+}
+
+- (NSComparisonResult) compareBySection:(Package *)package {
+    NSString *lhs = [self section];
+    NSString *rhs = [package section];
+
+    if (lhs == NULL && rhs != NULL)
+        return NSOrderedAscending;
+    else if (lhs != NULL && rhs == NULL)
+        return NSOrderedDescending;
+    else if (lhs != NULL && rhs != NULL) {
+        NSComparisonResult result = [lhs compare:rhs options:CompareOptions_];
+        if (result != NSOrderedSame)
+            return result;
+    }
+
+    return NSOrderedSame;
+}
+
+- (uint32_t) compareForChanges {
+    union {
+        uint32_t key;
+
+        struct {
+            uint32_t timestamp : 30;
+            uint32_t ignored : 1;
+            uint32_t upgradable : 1;
+        } bits;
+    } value;
+
+    value.bits.upgradable = [self upgradableAndEssential:YES] ? 1 : 0;
+
+    if ([self upgradableAndEssential:YES]) {
+        value.bits.timestamp = 0;
+        value.bits.ignored = [self ignored] ? 0 : 1;
+        value.bits.upgradable = 1;
+    } else {
+        value.bits.timestamp = static_cast<uint32_t>([[self seen] timeIntervalSince1970]) >> 2;
+        value.bits.ignored = 0;
+        value.bits.upgradable = 0;
+    }
+
+    return _not(uint32_t) - value.key;
+}
+
+- (void) install {
+    pkgProblemResolver *resolver = [database_ resolver];
+    resolver->Clear(iterator_);
+    resolver->Protect(iterator_);
+    pkgCacheFile &cache([database_ cache]);
+    cache->MarkInstall(iterator_, false);
+    pkgDepCache::StateCache &state((*cache)[iterator_]);
+    if (!state.Install())
+        cache->SetReInstall(iterator_, true);
+}
+
+- (void) remove {
+    pkgProblemResolver *resolver = [database_ resolver];
+    resolver->Clear(iterator_);
+    resolver->Protect(iterator_);
+    resolver->Remove(iterator_);
+    [database_ cache]->MarkDelete(iterator_, true);
+}
+
+- (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search {
+    return [NSNumber numberWithBool:(
+        [self unfiltered] && [self matches:search]
+    )];
+}
+
+- (NSNumber *) isInstalledAndVisible:(NSNumber *)number {
+    return [NSNumber numberWithBool:(
+        (![number boolValue] || [self visible]) && [self installed] != nil
+    )];
+}
+
+- (NSNumber *) isVisiblyUninstalledInSection:(NSString *)name {
+    NSString *section = [self section];
+
+    return [NSNumber numberWithBool:(
+        [self visible] &&
+        [self installed] == nil && (
+            name == nil ||
+            section == nil && [name length] == 0 ||
+            [name isEqualToString:section]
+        )
+    )];
+}
+
+- (NSNumber *) isVisibleInSource:(Source *)source {
+    return [NSNumber numberWithBool:([self source] == source && [self visible])];
+}
+
+@end
+/* }}} */
+/* Section Class {{{ */
+@interface Section : NSObject {
+    NSString *name_;
+    size_t row_;
+    size_t count_;
+}
+
+- (NSComparisonResult) compareByName:(Section *)section;
+- (Section *) initWithName:(NSString *)name;
+- (Section *) initWithName:(NSString *)name row:(size_t)row;
+- (NSString *) name;
+- (size_t) row;
+- (size_t) count;
+- (void) addToCount;
+
+@end
+
+@implementation Section
+
+- (void) dealloc {
+    [name_ release];
+    [super dealloc];
+}
+
+- (NSComparisonResult) compareByName:(Section *)section {
+    NSString *lhs = [self name];
+    NSString *rhs = [section name];
+
+    if ([lhs length] != 0 && [rhs length] != 0) {
+        unichar lhc = [lhs characterAtIndex:0];
+        unichar rhc = [rhs characterAtIndex:0];
+
+        if (isalpha(lhc) && !isalpha(rhc))
+            return NSOrderedAscending;
+        else if (!isalpha(lhc) && isalpha(rhc))
+            return NSOrderedDescending;
+    }
+
+    return [lhs compare:rhs options:CompareOptions_];
+}
+
+- (Section *) initWithName:(NSString *)name {
+    return [self initWithName:name row:0];
+}
+
+- (Section *) initWithName:(NSString *)name row:(size_t)row {
+    if ((self = [super init]) != nil) {
+        name_ = [name retain];
+        row_ = row;
+    } return self;
+}
+
+- (NSString *) name {
+    return name_;
+}
+
+- (size_t) row {
+    return row_;
+}
+
+- (size_t) count {
+    return count_;
+}
+
+- (void) addToCount {
+    ++count_;
+}
+
+@end
+/* }}} */
+
+static int Finish_;
+static NSArray *Finishes_;
+
+/* Database Implementation {{{ */
+@implementation Database
+
++ (Database *) sharedInstance {
+    static Database *instance;
+    if (instance == nil)
+        instance = [[Database alloc] init];
+    return instance;
+}
+
+- (void) dealloc {
+    _assert(false);
+    [super dealloc];
+}
+
+- (void) _readCydia:(NSNumber *)fd { _pooled
+    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
+    std::istream is(&ib);
+    std::string line;
+
+    static Pcre finish_r("^finish:([^:]*)$");
+
+    while (std::getline(is, line)) {
+        const char *data(line.c_str());
+        size_t size = line.size();
+        lprintf("C:%s\n", data);
+
+        if (finish_r(data, size)) {
+            NSString *finish = finish_r[1];
+            int index = [Finishes_ indexOfObject:finish];
+            if (index != INT_MAX && index > Finish_)
+                Finish_ = index;
+        }
+    }
+
+    _assert(false);
+}
+
+- (void) _readStatus:(NSNumber *)fd { _pooled
+    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
+    std::istream is(&ib);
+    std::string line;
+
+    static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
+    static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
+
+    while (std::getline(is, line)) {
+        const char *data(line.c_str());
+        size_t size = line.size();
+        lprintf("S:%s\n", data);
+
+        if (conffile_r(data, size)) {
+            [delegate_ setConfigurationData:conffile_r[1]];
+        } else if (strncmp(data, "status: ", 8) == 0) {
+            NSString *string = [NSString stringWithUTF8String:(data + 8)];
+            [delegate_ setProgressTitle:string];
+        } else if (pmstatus_r(data, size)) {
+            std::string type([pmstatus_r[1] UTF8String]);
+            NSString *id = pmstatus_r[2];
+
+            float percent([pmstatus_r[3] floatValue]);
+            [delegate_ setProgressPercent:(percent / 100)];
+
+            NSString *string = pmstatus_r[4];
+
+            if (type == "pmerror")
+                [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
+                    withObject:[NSArray arrayWithObjects:string, id, nil]
+                    waitUntilDone:YES
+                ];
+            else if (type == "pmstatus")
+                [delegate_ setProgressTitle:string];
+            else if (type == "pmconffile")
+                [delegate_ setConfigurationData:string];
+            else _assert(false);
+        } else _assert(false);
+    }
+
+    _assert(false);
+}
+
+- (void) _readOutput:(NSNumber *)fd { _pooled
+    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
+    std::istream is(&ib);
+    std::string line;
+
+    while (std::getline(is, line)) {
+        lprintf("O:%s\n", line.c_str());
+        [delegate_ addProgressOutput:[NSString stringWithUTF8String:line.c_str()]];
+    }
+
+    _assert(false);
+}
+
+- (FILE *) input {
+    return input_;
+}
+
+- (Package *) packageWithName:(NSString *)name {
+    if (static_cast<pkgDepCache *>(cache_) == NULL)
+        return nil;
+    pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
+    return iterator.end() ? nil : [Package packageWithIterator:iterator database:self];
+}
+
+- (Database *) init {
+    if ((self = [super init]) != nil) {
+        policy_ = NULL;
+        records_ = NULL;
+        resolver_ = NULL;
+        fetcher_ = NULL;
+        lock_ = NULL;
+
+        sources_ = [[NSMutableDictionary dictionaryWithCapacity:16] retain];
+        packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
+
+        int fds[2];
+
+        _assert(pipe(fds) != -1);
+        cydiafd_ = fds[1];
+
+        _config->Set("APT::Keep-Fds::", cydiafd_);
+        setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
+
+        [NSThread
+            detachNewThreadSelector:@selector(_readCydia:)
+            toTarget:self
+            withObject:[[NSNumber numberWithInt:fds[0]] retain]
+        ];
+
+        _assert(pipe(fds) != -1);
+        statusfd_ = fds[1];
+
+        [NSThread
+            detachNewThreadSelector:@selector(_readStatus:)
+            toTarget:self
+            withObject:[[NSNumber numberWithInt:fds[0]] retain]
+        ];
+
+        _assert(pipe(fds) != -1);
+        _assert(dup2(fds[0], 0) != -1);
+        _assert(close(fds[0]) != -1);
+
+        input_ = fdopen(fds[1], "a");
+
+        _assert(pipe(fds) != -1);
+        _assert(dup2(fds[1], 1) != -1);
+        _assert(close(fds[1]) != -1);
+
+        [NSThread
+            detachNewThreadSelector:@selector(_readOutput:)
+            toTarget:self
+            withObject:[[NSNumber numberWithInt:fds[0]] retain]
+        ];
+    } return self;
+}
+
+- (pkgCacheFile &) cache {
+    return cache_;
+}
+
+- (pkgDepCache::Policy *) policy {
+    return policy_;
+}
+
+- (pkgRecords *) records {
+    return records_;
+}
+
+- (pkgProblemResolver *) resolver {
+    return resolver_;
+}
+
+- (pkgAcquire &) fetcher {
+    return *fetcher_;
+}
+
+- (NSArray *) packages {
+    return packages_;
+}
+
+- (NSArray *) sources {
+    return [sources_ allValues];
+}
+
+- (NSArray *) issues {
+    if (cache_->BrokenCount() == 0)
+        return nil;
+
+    NSMutableArray *issues([NSMutableArray arrayWithCapacity:4]);
+
+    for (Package *package in packages_) {
+        if (![package broken])
+            continue;
+        pkgCache::PkgIterator pkg([package iterator]);
+
+        NSMutableArray *entry([NSMutableArray arrayWithCapacity:4]);
+        [entry addObject:[package name]];
+        [issues addObject:entry];
+
+        pkgCache::VerIterator ver(cache_[pkg].InstVerIter(cache_));
+        if (ver.end())
+            continue;
+
+        for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
+            pkgCache::DepIterator start;
+            pkgCache::DepIterator end;
+            dep.GlobOr(start, end); // ++dep
+
+            if (!cache_->IsImportantDep(end))
+                continue;
+            if ((cache_[end] & pkgDepCache::DepGInstall) != 0)
+                continue;
+
+            NSMutableArray *failure([NSMutableArray arrayWithCapacity:4]);
+            [entry addObject:failure];
+            [failure addObject:[NSString stringWithUTF8String:start.DepType()]];
+
+            Package *package([self packageWithName:[NSString stringWithUTF8String:start.TargetPkg().Name()]]);
+            [failure addObject:[package name]];
+
+            pkgCache::PkgIterator target(start.TargetPkg());
+            if (target->ProvidesList != 0)
+                [failure addObject:@"?"];
+            else {
+                pkgCache::VerIterator ver(cache_[target].InstVerIter(cache_));
+                if (!ver.end())
+                    [failure addObject:[NSString stringWithUTF8String:ver.VerStr()]];
+                else if (!cache_[target].CandidateVerIter(cache_).end())
+                    [failure addObject:@"-"];
+                else if (target->ProvidesList == 0)
+                    [failure addObject:@"!"];
+                else
+                    [failure addObject:@"%"];
+            }
+
+            _forever {
+                if (start.TargetVer() != 0)
+                    [failure addObject:[NSString stringWithFormat:@"%s %s", start.CompType(), start.TargetVer()]];
+                if (start == end)
+                    break;
+                ++start;
+            }
+        }
+    }
+
+    return issues;
+}
+
+- (void) reloadData {
+    _error->Discard();
+
+    delete list_;
+    list_ = NULL;
+    manager_ = NULL;
+    delete lock_;
+    lock_ = NULL;
+    delete fetcher_;
+    fetcher_ = NULL;
+    delete resolver_;
+    resolver_ = NULL;
+    delete records_;
+    records_ = NULL;
+    delete policy_;
+    policy_ = NULL;
+
+    cache_.Close();
+
+    if (!cache_.Open(progress_, true)) {
+        std::string error;
+        if (!_error->PopMessage(error))
+            _assert(false);
+        _error->Discard();
+        lprintf("cache_.Open():[%s]\n", error.c_str());
+
+        if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
+            [delegate_ repairWithSelector:@selector(configure)];
+        else if (error == "The package lists or status file could not be parsed or opened.")
+            [delegate_ repairWithSelector:@selector(update)];
+        // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
+        // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
+        // else if (error == "The list of sources could not be read.")
+        else _assert(false);
+
+        return;
+    }
+
+    now_ = [[NSDate date] retain];
+
+    policy_ = new pkgDepCache::Policy();
+    records_ = new pkgRecords(cache_);
+    resolver_ = new pkgProblemResolver(cache_);
+    fetcher_ = new pkgAcquire(&status_);
+    lock_ = NULL;
+
+    list_ = new pkgSourceList();
+    _assert(list_->ReadMainList());
+
+    _assert(cache_->DelCount() == 0 && cache_->InstCount() == 0);
+    _assert(pkgApplyStatus(cache_));
+
+    if (cache_->BrokenCount() != 0) {
+        _assert(pkgFixBroken(cache_));
+        _assert(cache_->BrokenCount() == 0);
+        _assert(pkgMinimizeUpgrade(cache_));
+    }
+
+    [sources_ removeAllObjects];
+    for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
+        std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
+        for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
+            [sources_
+                setObject:[[[Source alloc] initWithMetaIndex:*source] autorelease]
+                forKey:[NSNumber numberWithLong:reinterpret_cast<uintptr_t>(*index)]
+            ];
+    }
+
+    [packages_ removeAllObjects];
+    for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
+        if (Package *package = [Package packageWithIterator:iterator database:self])
+            [packages_ addObject:package];
+
+    [packages_ sortUsingSelector:@selector(compareByName:)];
+}
+
+- (void) configure {
+    NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
+    system([dpkg UTF8String]);
+}
+
+- (void) clean {
+    if (lock_ != NULL)
+        return;
+
+    FileFd Lock;
+    Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
+    _assert(!_error->PendingError());
+
+    pkgAcquire fetcher;
+    fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
+
+    class LogCleaner :
+        public pkgArchiveCleaner
+    {
+      protected:
+        virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
+            unlink(File);
+        }
+    } cleaner;
+
+    if (!cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)) {
+        std::string error;
+        while (_error->PopMessage(error))
+            lprintf("ArchiveCleaner: %s\n", error.c_str());
+    }
+}
+
+- (void) prepare {
+    pkgRecords records(cache_);
+
+    lock_ = new FileFd();
+    lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
+    _assert(!_error->PendingError());
+
+    pkgSourceList list;
+    // XXX: explain this with an error message
+    _assert(list.ReadMainList());
+
+    manager_ = (_system->CreatePM(cache_));
+    _assert(manager_->GetArchives(fetcher_, &list, &records));
+    _assert(!_error->PendingError());
+}
+
+- (void) perform {
+    NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
+        pkgSourceList list;
+        _assert(list.ReadMainList());
+        for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
+            [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
+    }
+
+    if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
+        _trace();
+        return;
+    }
+
+    bool failed = false;
+    for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
+        if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
+            continue;
+
+        std::string uri = (*item)->DescURI();
+        std::string error = (*item)->ErrorText;
+
+        lprintf("pAf:%s:%s\n", uri.c_str(), error.c_str());
+        failed = true;
+
+        [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
+            withObject:[NSArray arrayWithObjects:[NSString stringWithUTF8String:error.c_str()], nil]
+            waitUntilDone:YES
+        ];
+    }
+
+    if (failed) {
+        _trace();
+        return;
+    }
+
+    _system->UnLock();
+    pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
+
+    if (_error->PendingError()) {
+        _trace();
+        return;
+    }
+
+    if (result == pkgPackageManager::Failed) {
+        _trace();
+        return;
+    }
+
+    if (result != pkgPackageManager::Completed) {
+        _trace();
+        return;
+    }
+
+    NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
+        pkgSourceList list;
+        _assert(list.ReadMainList());
+        for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
+            [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
+    }
+
+    if (![before isEqualToArray:after])
+        [self update];
+}
+
+- (void) upgrade {
+    _assert(pkgDistUpgrade(cache_));
+}
+
+- (void) update {
+    [self updateWithStatus:status_];
+}
+
+- (void) updateWithStatus:(Status &)status {
+    pkgSourceList list;
+    _assert(list.ReadMainList());
+
+    FileFd lock;
+    lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
+    _assert(!_error->PendingError());
+
+    pkgAcquire fetcher(&status);
+    _assert(list.GetIndexes(&fetcher));
+
+    if (fetcher.Run(PulseInterval_) != pkgAcquire::Failed) {
+        bool failed = false;
+        for (pkgAcquire::ItemIterator item = fetcher.ItemsBegin(); item != fetcher.ItemsEnd(); item++)
+            if ((*item)->Status != pkgAcquire::Item::StatDone) {
+                (*item)->Finished();
+                failed = true;
+            }
+
+        if (!failed && _config->FindB("APT::Get::List-Cleanup", true) == true) {
+            _assert(fetcher.Clean(_config->FindDir("Dir::State::lists")));
+            _assert(fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/"));
+        }
+
+        [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
+        Changed_ = true;
+    }
+}
+
+- (void) setDelegate:(id)delegate {
+    delegate_ = delegate;
+    status_.setDelegate(delegate);
+    progress_.setDelegate(delegate);
+}
+
+- (Source *) getSource:(const pkgCache::PkgFileIterator &)file {
+    pkgIndexFile *index(NULL);
+    list_->FindIndex(file, index);
+    return [sources_ objectForKey:[NSNumber numberWithLong:reinterpret_cast<uintptr_t>(index)]];
+}
+
+@end
+/* }}} */
+
+/* PopUp Windows {{{ */
+@interface PopUpView : UIView {
+    _transient id delegate_;
+    UITransitionView *transition_;
+    UIView *overlay_;
+}
+
+- (void) cancel;
+- (id) initWithView:(UIView *)view delegate:(id)delegate;
+
+@end
+
+@implementation PopUpView
+
+- (void) dealloc {
+    [transition_ setDelegate:nil];
+    [transition_ release];
+    [overlay_ release];
+    [super dealloc];
+}
+
+- (void) cancel {
+    [transition_ transition:UITransitionPushFromTop toView:nil];
+}
+
+- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
+    if (from != nil && to == nil)
+        [self removeFromSuperview];
+}
+
+- (id) initWithView:(UIView *)view delegate:(id)delegate {
+    if ((self = [super initWithFrame:[view bounds]]) != nil) {
+        delegate_ = delegate;
+
+        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
+        [self addSubview:transition_];
+
+        overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
+
+        [view addSubview:self];
+
+        [transition_ setDelegate:self];
+
+        UIView *blank = [[[UIView alloc] initWithFrame:[transition_ bounds]] autorelease];
+        [transition_ transition:UITransitionNone toView:blank];
+        [transition_ transition:UITransitionPushFromBottom toView:overlay_];
+    } return self;
+}
+
+@end
+/* }}} */
+
+/* Mail Composition {{{ */
+@interface MailToView : PopUpView {
+    MailComposeController *controller_;
+}
+
+- (id) initWithView:(UIView *)view delegate:(id)delegate url:(NSURL *)url;
+
+@end
+
+@implementation MailToView
+
+- (void) dealloc {
+    [controller_ release];
+    [super dealloc];
+}
+
+- (void) mailComposeControllerWillAttemptToSend:(MailComposeController *)controller {
+    NSLog(@"will");
+}
+
+- (void) mailComposeControllerDidAttemptToSend:(MailComposeController *)controller mailDelivery:(id)delivery {
+    NSLog(@"did:%@", delivery);
+// [UIApp setStatusBarShowsProgress:NO];
+if ([controller error]){
+NSArray *buttons = [NSArray arrayWithObjects:@"OK", nil];
+UIActionSheet *mailAlertSheet = [[UIActionSheet alloc] initWithTitle:@"Error" buttons:buttons defaultButtonIndex:0 delegate:self context:self];
+[mailAlertSheet setBodyText:[controller error]];
+[mailAlertSheet popupAlertAnimated:YES];
+}
+}
+
+- (void) showError {
+    NSLog(@"%@", [controller_ error]);
+    NSArray *buttons = [NSArray arrayWithObjects:@"OK", nil];
+    UIActionSheet *mailAlertSheet = [[UIActionSheet alloc] initWithTitle:@"Error" buttons:buttons defaultButtonIndex:0 delegate:self context:self];
+    [mailAlertSheet setBodyText:[controller_ error]];
+    [mailAlertSheet popupAlertAnimated:YES];
+}
+
+- (void) deliverMessage { _pooled
+    setuid(501);
+    setgid(501);
+
+    if (![controller_ deliverMessage])
+        [self performSelectorOnMainThread:@selector(showError) withObject:nil waitUntilDone:NO];
+}
+
+- (void) mailComposeControllerCompositionFinished:(MailComposeController *)controller {
+    if ([controller_ needsDelivery])
+        [NSThread detachNewThreadSelector:@selector(deliverMessage) toTarget:self withObject:nil];
+    else
+        [self cancel];
+}
+
+- (id) initWithView:(UIView *)view delegate:(id)delegate url:(NSURL *)url {
+    if ((self = [super initWithView:view delegate:delegate]) != nil) {
+        controller_ = [[MailComposeController alloc] initForContentSize:[overlay_ bounds].size];
+        [controller_ setDelegate:self];
+        [controller_ initializeUI];
+        [controller_ setupForURL:url];
+
+        UIView *view([controller_ view]);
+        [overlay_ addSubview:view];
+    } return self;
+}
+
+@end
+/* }}} */
+/* Confirmation View {{{ */
+bool DepSubstrate(const pkgCache::VerIterator &iterator) {
+    if (!iterator.end())
+        for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
+            if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
+                continue;
+            pkgCache::PkgIterator package(dep.TargetPkg());
+            if (package.end())
+                continue;
+            if (strcmp(package.Name(), "mobilesubstrate") == 0)
+                return true;
+        }
+
+    return false;
+}
+
+@protocol ConfirmationViewDelegate
+- (void) cancel;
+- (void) confirm;
+@end
+
+@interface ConfirmationView : BrowserView {
+    _transient Database *database_;
+    UIActionSheet *essential_;
+    NSArray *changes_;
+    NSArray *issues_;
+    NSArray *sizes_;
+    BOOL substrate_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+
+@end
+
+@implementation ConfirmationView
+
+- (void) dealloc {
+    [changes_ release];
+    if (issues_ != nil)
+        [issues_ release];
+    [sizes_ release];
+    if (essential_ != nil)
+        [essential_ release];
+    [super dealloc];
+}
+
+- (void) cancel {
+    [delegate_ cancel];
+    [book_ popFromSuperviewAnimated:YES];
+}
+
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    NSString *context = [sheet context];
+
+    if ([context isEqualToString:@"remove"])
+        switch (button) {
+            case 1:
+                [self cancel];
+                break;
+            case 2:
+                if (substrate_)
+                    Finish_ = 2;
+                [delegate_ confirm];
+                break;
+            default:
+                _assert(false);
+        }
+    else if ([context isEqualToString:@"unable"])
+        [self cancel];
+
+    [sheet dismiss];
+}
+
+- (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
+    [window setValue:changes_ forKey:@"changes"];
+    [window setValue:issues_ forKey:@"issues"];
+    [window setValue:sizes_ forKey:@"sizes"];
+    [super webView:sender didClearWindowObject:window forFrame:frame];
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+
+        NSMutableArray *installing = [NSMutableArray arrayWithCapacity:16];
+        NSMutableArray *reinstalling = [NSMutableArray arrayWithCapacity:16];
+        NSMutableArray *upgrading = [NSMutableArray arrayWithCapacity:16];
+        NSMutableArray *downgrading = [NSMutableArray arrayWithCapacity:16];
+        NSMutableArray *removing = [NSMutableArray arrayWithCapacity:16];
+
+        bool remove(false);
+
+        pkgDepCache::Policy *policy([database_ policy]);
+
+        pkgCacheFile &cache([database_ cache]);
+        NSArray *packages = [database_ packages];
+        for (size_t i(0), e = [packages count]; i != e; ++i) {
+            Package *package = [packages objectAtIndex:i];
+            pkgCache::PkgIterator iterator = [package iterator];
+            pkgDepCache::StateCache &state(cache[iterator]);
+
+            NSString *name([package name]);
+
+            if (state.NewInstall())
+                [installing addObject:name];
+            else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
+                [reinstalling addObject:name];
+            else if (state.Upgrade())
+                [upgrading addObject:name];
+            else if (state.Downgrade())
+                [downgrading addObject:name];
+            else if (state.Delete()) {
+                if ([package essential])
+                    remove = true;
+                [removing addObject:name];
+            } else continue;
+
+            substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
+            substrate_ |= DepSubstrate(iterator.CurrentVer());
+        }
+
+        if (!remove)
+            essential_ = nil;
+        else if (Advanced_ || true) {
+            essential_ = [[UIActionSheet alloc]
+                initWithTitle:@"Removing Essentials"
+                buttons:[NSArray arrayWithObjects:
+                    @"Cancel Operation (Safe)",
+                    @"Force Removal (Unsafe)",
+                nil]
+                defaultButtonIndex:0
+                delegate:self
+                context:@"remove"
+            ];
+
+#ifndef __OBJC2__
+            [essential_ setDestructiveButton:[[essential_ buttons] objectAtIndex:0]];
+#endif
+            [essential_ setBodyText:@"This operation involves the removal of one or more packages that are required for the continued operation of either Cydia or iPhoneOS. If you continue, you may not be able to use Cydia to repair any damage."];
+        } else {
+            essential_ = [[UIActionSheet alloc]
+                initWithTitle:@"Unable to Comply"
+                buttons:[NSArray arrayWithObjects:@"Okay", nil]
+                defaultButtonIndex:0
+                delegate:self
+                context:@"unable"
+            ];
+
+            [essential_ setBodyText:@"This operation requires the removal of one or more packages that are required for the continued operation of either Cydia or iPhoneOS. In order to continue and force this operation you will need to be activate the Advanced mode under to continue and force this operation you will need to be activate the Advanced mode under Settings."];
+        }
+
+        changes_ = [[NSArray alloc] initWithObjects:
+            installing,
+            reinstalling,
+            upgrading,
+            downgrading,
+            removing,
+        nil];
+
+        issues_ = [database_ issues];
+        if (issues_ != nil)
+            issues_ = [issues_ retain];
+
+        sizes_ = [[NSArray alloc] initWithObjects:
+            SizeString([database_ fetcher].FetchNeeded()),
+            SizeString([database_ fetcher].PartialPresent()),
+            SizeString([database_ cache]->UsrSize()),
+        nil];
+
+        [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"confirm" ofType:@"html"]]];
+    } return self;
+}
+
+- (NSString *) backButtonTitle {
+    return @"Confirm";
+}
+
+- (NSString *) leftButtonTitle {
+    return @"Cancel";
+}
+
+- (NSString *) _rightButtonTitle {
+    return issues_ == nil ? @"Confirm" : nil;
+}
+
+- (void) _leftButtonClicked {
+    [self cancel];
+}
+
+- (void) _rightButtonClicked {
+    if (essential_ != nil)
+        [essential_ popupAlertAnimated:YES];
+    else {
+        if (substrate_)
+            Finish_ = 2;
+        [delegate_ confirm];
+    }
+}
+
+@end
+/* }}} */
+
+/* Progress Data {{{ */
+@interface ProgressData : NSObject {
+    SEL selector_;
+    id target_;
+    id object_;
+}
+
+- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object;
+
+- (SEL) selector;
+- (id) target;
+- (id) object;
+@end
+
+@implementation ProgressData
+
+- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object {
+    if ((self = [super init]) != nil) {
+        selector_ = selector;
+        target_ = target;
+        object_ = object;
+    } return self;
+}
+
+- (SEL) selector {
+    return selector_;
+}
+
+- (id) target {
+    return target_;
+}
+
+- (id) object {
+    return object_;
+}
+
+@end
+/* }}} */
+/* Progress View {{{ */
+@interface ProgressView : UIView <
+    ConfigurationDelegate,
+    ProgressDelegate
+> {
+    _transient Database *database_;
+    UIView *view_;
+    UIView *background_;
+    UITransitionView *transition_;
+    UIView *overlay_;
+    UINavigationBar *navbar_;
+    UIProgressBar *progress_;
+    UITextView *output_;
+    UITextLabel *status_;
+    UIPushButton *close_;
+    id delegate_;
+    BOOL running_;
+    SHA1SumValue springlist_;
+    SHA1SumValue sandplate_;
+    size_t received_;
+    NSTimeInterval last_;
+}
+
+- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to;
+
+- (id) initWithFrame:(struct CGRect)frame database:(Database *)database delegate:(id)delegate;
+- (void) setContentView:(UIView *)view;
+- (void) resetView;
+
+- (void) _retachThread;
+- (void) _detachNewThreadData:(ProgressData *)data;
+- (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title;
+
+- (BOOL) isRunning;
+
+@end
+
+@protocol ProgressViewDelegate
+- (void) progressViewIsComplete:(ProgressView *)sender;
+@end
+
+@implementation ProgressView
+
+- (void) dealloc {
+    [transition_ setDelegate:nil];
+    [navbar_ setDelegate:nil];
+
+    [view_ release];
+    if (background_ != nil)
+        [background_ release];
+    [transition_ release];
+    [overlay_ release];
+    [navbar_ release];
+    [progress_ release];
+    [output_ release];
+    [status_ release];
+    [close_ release];
+    [super dealloc];
+}
+
+- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
+    if (bootstrap_ && from == overlay_ && to == view_)
+        exit(0);
+}
+
+- (id) initWithFrame:(struct CGRect)frame database:(Database *)database delegate:(id)delegate {
+    if ((self = [super initWithFrame:frame]) != nil) {
+        database_ = database;
+        delegate_ = delegate;
+
+        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
+        [transition_ setDelegate:self];
+
+        overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
+
+        if (bootstrap_)
+            [overlay_ setBackgroundColor:[UIColor blackColor]];
+        else {
+            background_ = [[UIView alloc] initWithFrame:[self bounds]];
+            [background_ setBackgroundColor:[UIColor blackColor]];
+            [self addSubview:background_];
+        }
+
+        [self addSubview:transition_];
+
+        CGSize navsize = [UINavigationBar defaultSize];
+        CGRect navrect = {{0, 0}, navsize};
+
+        navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
+        [overlay_ addSubview:navbar_];
+
+        [navbar_ setBarStyle:1];
+        [navbar_ setDelegate:self];
+
+        UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:nil] autorelease];
+        [navbar_ pushNavigationItem:navitem];
+
+        CGRect bounds = [overlay_ bounds];
+        CGSize prgsize = [UIProgressBar defaultSize];
+
+        CGRect prgrect = {{
+            (bounds.size.width - prgsize.width) / 2,
+            bounds.size.height - prgsize.height - 20
+        }, prgsize};
+
+        progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
+        [progress_ setStyle:0];
+
+        status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(
+            10,
+            bounds.size.height - prgsize.height - 50,
+            bounds.size.width - 20,
+            24
+        )];
+
+        [status_ setColor:[UIColor whiteColor]];
+        [status_ setBackgroundColor:[UIColor clearColor]];
+
+        [status_ setCentersHorizontally:YES];
+        //[status_ setFont:font];
+
+        output_ = [[UITextView alloc] initWithFrame:CGRectMake(
+            10,
+            navrect.size.height + 20,
+            bounds.size.width - 20,
+            bounds.size.height - navsize.height - 62 - navrect.size.height
+        )];
+
+        //[output_ setTextFont:@"Courier New"];
+        [output_ setTextSize:12];
+
+        [output_ setTextColor:[UIColor whiteColor]];
+        [output_ setBackgroundColor:[UIColor clearColor]];
+
+        [output_ setMarginTop:0];
+        [output_ setAllowsRubberBanding:YES];
+        [output_ setEditable:NO];
+
+        [overlay_ addSubview:output_];
+
+        close_ = [[UIPushButton alloc] initWithFrame:CGRectMake(
+            10,
+            bounds.size.height - prgsize.height - 50,
+            bounds.size.width - 20,
+            32 + prgsize.height
+        )];
+
+        [close_ setAutosizesToFit:NO];
+        [close_ setDrawsShadow:YES];
+        [close_ setStretchBackground:YES];
+        [close_ setEnabled:YES];
+
+        UIFont *bold = [UIFont boldSystemFontOfSize:22];
+        [close_ setTitleFont:bold];
+
+        [close_ addTarget:self action:@selector(closeButtonPushed) forEvents:kUIControlEventMouseUpInside];
+        [close_ setBackground:[UIImage applicationImageNamed:@"green-up.png"] forState:0];
+        [close_ setBackground:[UIImage applicationImageNamed:@"green-dn.png"] forState:1];
+    } return self;
+}
+
+- (void) setContentView:(UIView *)view {
+    view_ = [view retain];
+}
+
+- (void) resetView {
+    [transition_ transition:6 toView:view_];
+}
+
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    NSString *context = [sheet context];
+    if ([context isEqualToString:@"conffile"]) {
+        FILE *input = [database_ input];
+
+        switch (button) {
+            case 1:
+                fprintf(input, "N\n");
+                fflush(input);
+                break;
+            case 2:
+                fprintf(input, "Y\n");
+                fflush(input);
+                break;
+            default:
+                _assert(false);
+        }
+    }
+
+    [sheet dismiss];
+}
+
+- (void) closeButtonPushed {
+    running_ = NO;
+
+    switch (Finish_) {
+        case 0:
+            [self resetView];
+        break;
+
+        case 1:
+            [delegate_ suspendWithAnimation:YES];
+        break;
+
+        case 2:
+            system("launchctl stop com.apple.SpringBoard");
+        break;
+
+        case 3:
+            system("launchctl unload "SpringBoard_"; launchctl load "SpringBoard_);
+        break;
+
+        case 4:
+            system("reboot");
+        break;
+    }
+}
+
+- (void) _retachThread {
+    UINavigationItem *item = [navbar_ topItem];
+    [item setTitle:@"Complete"];
+
+    [overlay_ addSubview:close_];
+    [progress_ removeFromSuperview];
+    [status_ removeFromSuperview];
+
+    [delegate_ progressViewIsComplete:self];
+
+    if (Finish_ < 4) {
+        FileFd file(SandboxTemplate_, FileFd::ReadOnly);
+        MMap mmap(file, MMap::ReadOnly);
+        SHA1Summation sha1;
+        sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
+        if (!(sandplate_ == sha1.Result()))
+            Finish_ = 4;
+    }
+
+    if (Finish_ < 3) {
+        FileFd file(SpringBoard_, FileFd::ReadOnly);
+        MMap mmap(file, MMap::ReadOnly);
+        SHA1Summation sha1;
+        sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
+        if (!(springlist_ == sha1.Result()))
+            Finish_ = 3;
+    }
+
+    switch (Finish_) {
+        case 0: [close_ setTitle:@"Return to Cydia"]; break;
+        case 1: [close_ setTitle:@"Close Cydia (Restart)"]; break;
+        case 2: [close_ setTitle:@"Restart SpringBoard"]; break;
+        case 3: [close_ setTitle:@"Reload SpringBoard"]; break;
+        case 4: [close_ setTitle:@"Reboot Device"]; break;
+    }
+
+#define Cache_ "/User/Library/Caches/com.apple.mobile.installation.plist"
+
+    if (NSMutableDictionary *cache = [[NSMutableDictionary alloc] initWithContentsOfFile:@ Cache_]) {
+        [cache autorelease];
+
+        NSFileManager *manager = [NSFileManager defaultManager];
+        NSError *error = nil;
+
+        id system = [cache objectForKey:@"System"];
+        if (system == nil)
+            goto error;
+
+        struct stat info;
+        if (stat(Cache_, &info) == -1)
+            goto error;
+
+        [system removeAllObjects];
+
+        if (NSArray *apps = [manager contentsOfDirectoryAtPath:@"/Applications" error:&error]) {
+            for (NSString *app in apps)
+                if ([app hasSuffix:@".app"]) {
+                    NSString *path = [@"/Applications" stringByAppendingPathComponent:app];
+                    NSString *plist = [path stringByAppendingPathComponent:@"Info.plist"];
+                    if (NSMutableDictionary *info = [[NSMutableDictionary alloc] initWithContentsOfFile:plist]) {
+                        [info autorelease];
+                        [info setObject:path forKey:@"Path"];
+                        [info setObject:@"System" forKey:@"ApplicationType"];
+                        [system addInfoDictionary:info];
+                    }
+                }
+        } else goto error;
+
+        [cache writeToFile:@Cache_ atomically:YES];
+
+        if (chown(Cache_, info.st_uid, info.st_gid) == -1)
+            goto error;
+        if (chmod(Cache_, info.st_mode) == -1)
+            goto error;
+
+        if (false) error:
+            lprintf("%s\n", error == nil ? strerror(errno) : [[error localizedDescription] UTF8String]);
+    }
+
+    notify_post("com.apple.mobile.application_installed");
+
+    [delegate_ setStatusBarShowsProgress:NO];
+}
+
+- (void) _detachNewThreadData:(ProgressData *)data { _pooled
+    [[data target] performSelector:[data selector] withObject:[data object]];
+    [data release];
+
+    [self performSelectorOnMainThread:@selector(_retachThread) withObject:nil waitUntilDone:YES];
+}
+
+- (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title {
+    UINavigationItem *item = [navbar_ topItem];
+    [item setTitle:title];
+
+    [status_ setText:nil];
+    [output_ setText:@""];
+    [progress_ setProgress:0];
+
+    received_ = 0;
+    last_ = 0;//[NSDate timeIntervalSinceReferenceDate];
+
+    [close_ removeFromSuperview];
+    [overlay_ addSubview:progress_];
+    [overlay_ addSubview:status_];
+
+    [delegate_ setStatusBarShowsProgress:YES];
+    running_ = YES;
+
+    {
+        FileFd file(SandboxTemplate_, FileFd::ReadOnly);
+        MMap mmap(file, MMap::ReadOnly);
+        SHA1Summation sha1;
+        sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
+        sandplate_ = sha1.Result();
+    }
+
+    {
+        FileFd file(SpringBoard_, FileFd::ReadOnly);
+        MMap mmap(file, MMap::ReadOnly);
+        SHA1Summation sha1;
+        sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
+        springlist_ = sha1.Result();
+    }
+
+    [transition_ transition:6 toView:overlay_];
+
+    [NSThread
+        detachNewThreadSelector:@selector(_detachNewThreadData:)
+        toTarget:self
+        withObject:[[ProgressData alloc]
+            initWithSelector:selector
+            target:target
+            object:object
+        ]
+    ];
+}
+
+- (void) repairWithSelector:(SEL)selector {
+    [self
+        detachNewThreadSelector:selector
+        toTarget:database_
+        withObject:nil
+        title:@"Repairing"
+    ];
+}
+
+- (void) setConfigurationData:(NSString *)data {
+    [self
+        performSelectorOnMainThread:@selector(_setConfigurationData:)
+        withObject:data
+        waitUntilDone:YES
+    ];
+}
+
+- (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
+    Package *package = id == nil ? nil : [database_ packageWithName:id];
+
+    UIActionSheet *sheet = [[[UIActionSheet alloc]
+        initWithTitle:(package == nil ? id : [package name])
+        buttons:[NSArray arrayWithObjects:@"Okay", nil]
+        defaultButtonIndex:0
+        delegate:self
+        context:@"error"
+    ] autorelease];
+
+    [sheet setBodyText:error];
+    [sheet popupAlertAnimated:YES];
+}
+
+- (void) setProgressTitle:(NSString *)title {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressTitle:)
+        withObject:title
+        waitUntilDone:YES
+    ];
+}
+
+- (void) setProgressPercent:(float)percent {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressPercent:)
+        withObject:[NSNumber numberWithFloat:percent]
+        waitUntilDone:YES
+    ];
+}
+
+- (void) startProgress {
+    last_ = [NSDate timeIntervalSinceReferenceDate];
+}
+
+- (void) addProgressOutput:(NSString *)output {
+    [self
+        performSelectorOnMainThread:@selector(_addProgressOutput:)
+        withObject:output
+        waitUntilDone:YES
+    ];
+}
+
+- (bool) isCancelling:(size_t)received {
+    if (last_ != 0) {
+        NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
+        if (received_ != received) {
+            received_ = received;
+            last_ = now;
+        } else if (now - last_ > 30)
+            return true;
+    }
+
+    return false;
+}
+
+- (void) _setConfigurationData:(NSString *)data {
+    static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
+
+    _assert(conffile_r(data));
+
+    NSString *ofile = conffile_r[1];
+    //NSString *nfile = conffile_r[2];
+
+    UIActionSheet *sheet = [[[UIActionSheet alloc]
+        initWithTitle:@"Configuration Upgrade"
+        buttons:[NSArray arrayWithObjects:
+            @"Keep My Old Copy",
+            @"Accept The New Copy",
+            // XXX: @"See What Changed",
+        nil]
+        defaultButtonIndex:0
+        delegate:self
+        context:@"conffile"
+    ] autorelease];
+
+    [sheet setBodyText:[NSString stringWithFormat:
+        @"The following file has been changed by both the package maintainer and by you (or for you by a script).\n\n%@"
+    , ofile]];
+
+    [sheet popupAlertAnimated:YES];
+}
+
+- (void) _setProgressTitle:(NSString *)title {
+    [status_ setText:title];
+}
+
+- (void) _setProgressPercent:(NSNumber *)percent {
+    [progress_ setProgress:[percent floatValue]];
+}
+
+- (void) _addProgressOutput:(NSString *)output {
+    [output_ setText:[NSString stringWithFormat:@"%@\n%@", [output_ text], output]];
+    CGSize size = [output_ contentSize];
+    CGRect rect = {{0, size.height}, {size.width, 0}};
+    [output_ scrollRectToVisible:rect animated:YES];
+}
+
+- (BOOL) isRunning {
+    return running_;
+}
+
+@end
+/* }}} */
+
+/* Package Cell {{{ */
+@interface PackageCell : UISimpleTableCell {
+    UIImage *icon_;
+    NSString *name_;
+    NSString *description_;
+    NSString *source_;
+    UIImage *badge_;
+#ifdef USE_BADGES
+    UITextLabel *status_;
+#endif
+}
+
+- (PackageCell *) init;
+- (void) setPackage:(Package *)package;
+
++ (int) heightForPackage:(Package *)package;
+
+@end
+
+@implementation PackageCell
+
+- (void) clearPackage {
+    if (icon_ != nil) {
+        [icon_ release];
+        icon_ = nil;
+    }
+
+    if (name_ != nil) {
+        [name_ release];
+        name_ = nil;
+    }
+
+    if (description_ != nil) {
+        [description_ release];
+        description_ = nil;
+    }
+
+    if (source_ != nil) {
+        [source_ release];
+        source_ = nil;
+    }
+
+    if (badge_ != nil) {
+        [badge_ release];
+        badge_ = nil;
+    }
+}
+
+- (void) dealloc {
+    [self clearPackage];
+#ifdef USE_BADGES
+    [status_ release];
+#endif
+    [super dealloc];
+}
+
+- (PackageCell *) init {
+    if ((self = [super init]) != nil) {
+#ifdef USE_BADGES
+        status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 68, 280, 20)];
+        [status_ setBackgroundColor:[UIColor clearColor]];
+        [status_ setFont:small];
+#endif
+    } return self;
+}
+
+- (void) setPackage:(Package *)package {
+    [self clearPackage];
+
+    Source *source = [package source];
+    NSString *section = [package section];
+    if (section != nil)
+        section = Simplify(section);
+
+    icon_ = [[package icon] retain];
+
+    name_ = [[package name] retain];
+    description_ = [[package tagline] retain];
+
+    NSString *label = nil;
+    bool trusted = false;
+
+    if (source != nil) {
+        label = [source label];
+        trusted = [source trusted];
+    } else if ([[package id] isEqualToString:@"firmware"])
+        label = @"Apple";
+    else
+        label = @"Unknown/Local";
+
+    NSString *from = [NSString stringWithFormat:@"from %@", label];
+
+    if (section != nil && ![section isEqualToString:label])
+        from = [from stringByAppendingString:[NSString stringWithFormat:@" (%@)", section]];
+
+    source_ = [from retain];
+
+    if (NSString *purpose = [package primaryPurpose])
+        if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
+            badge_ = [badge_ retain];
+
+#ifdef USE_BADGES
+    if (NSString *mode = [package mode]) {
+        [badge_ setImage:[UIImage applicationImageNamed:
+            [mode isEqualToString:@"Remove"] || [mode isEqualToString:@"Purge"] ? @"removing.png" : @"installing.png"
+        ]];
+
+        [status_ setText:[NSString stringWithFormat:@"Queued for %@", mode]];
+        [status_ setColor:[UIColor colorWithCGColor:Blueish_]];
+    } else if ([package half]) {
+        [badge_ setImage:[UIImage applicationImageNamed:@"damaged.png"]];
+        [status_ setText:@"Package Damaged"];
+        [status_ setColor:[UIColor redColor]];
+    } else {
+        [badge_ setImage:nil];
+        [status_ setText:nil];
+    }
+#endif
+}
+
+- (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
+    if (icon_ != nil) {
+        CGRect rect;
+        rect.size = [icon_ size];
+
+        rect.size.width /= 2;
+        rect.size.height /= 2;
+
+        rect.origin.x = 25 - rect.size.width / 2;
+        rect.origin.y = 25 - rect.size.height / 2;
+
+        [icon_ drawInRect:rect];
+    }
+
+    if (badge_ != nil) {
+        CGSize size = [badge_ size];
+
+        [badge_ drawAtPoint:CGPointMake(
+            36 - size.width / 2,
+            36 - size.height / 2
+        )];
+    }
+
+    if (selected)
+        UISetColor(White_);
+
+    if (!selected)
+        UISetColor(Black_);
+    [name_ drawAtPoint:CGPointMake(48, 8) forWidth:240 withFont:Font18Bold_ ellipsis:2];
+    [source_ drawAtPoint:CGPointMake(58, 29) forWidth:225 withFont:Font12_ ellipsis:2];
+
+    if (!selected)
+        UISetColor(Gray_);
+    [description_ drawAtPoint:CGPointMake(12, 46) forWidth:280 withFont:Font14_ ellipsis:2];
+
+    [super drawContentInRect:rect selected:selected];
+}
+
++ (int) heightForPackage:(Package *)package {
+    NSString *tagline([package tagline]);
+    int height = tagline == nil || [tagline length] == 0 ? -17 : 0;
+#ifdef USE_BADGES
+    if ([package hasMode] || [package half])
+        return height + 96;
+    else
+#endif
+        return height + 73;
+}
+
+@end
+/* }}} */
+/* Section Cell {{{ */
+@interface SectionCell : UISimpleTableCell {
+    NSString *section_;
+    NSString *name_;
+    NSString *count_;
+    UIImage *icon_;
+    _UISwitchSlider *switch_;
+    BOOL editing_;
+}
+
+- (id) init;
+- (void) setSection:(Section *)section editing:(BOOL)editing;
+
+@end
+
+@implementation SectionCell
+
+- (void) clearSection {
+    if (section_ != nil) {
+        [section_ release];
+        section_ = nil;
+    }
+
+    if (name_ != nil) {
+        [name_ release];
+        name_ = nil;
+    }
+
+    if (count_ != nil) {
+        [count_ release];
+        count_ = nil;
+    }
+}
+
+- (void) dealloc {
+    [self clearSection];
+    [icon_ release];
+    [switch_ release];
+    [super dealloc];
+}
+
+- (id) init {
+    if ((self = [super init]) != nil) {
+        icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
+
+        switch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
+        [switch_ addTarget:self action:@selector(onSwitch:) forEvents:kUIControlEventMouseUpInside];
+    } return self;
+}
+
+- (void) onSwitch:(id)sender {
+    NSMutableDictionary *metadata = [Sections_ objectForKey:section_];
+    if (metadata == nil) {
+        metadata = [NSMutableDictionary dictionaryWithCapacity:2];
+        [Sections_ setObject:metadata forKey:section_];
+    }
+
+    Changed_ = true;
+    [metadata setObject:[NSNumber numberWithBool:([switch_ value] == 0)] forKey:@"Hidden"];
+}
+
+- (void) setSection:(Section *)section editing:(BOOL)editing {
+    if (editing != editing_) {
+        if (editing_)
+            [switch_ removeFromSuperview];
+        else
+            [self addSubview:switch_];
+        editing_ = editing;
+    }
+
+    [self clearSection];
+
+    if (section == nil) {
+        name_ = [@"All Packages" retain];
+        count_ = nil;
+    } else {
+        section_ = [section name];
+        if (section_ != nil)
+            section_ = [section_ retain];
+        name_  = [(section_ == nil ? @"(No Section)" : section_) retain];
+        count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
+
+        if (editing_)
+            [switch_ setValue:(isSectionVisible(section_) ? 1 : 0) animated:NO];
+    }
+}
+
+- (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
+    [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
+
+    if (selected)
+        UISetColor(White_);
+
+    if (!selected)
+        UISetColor(Black_);
+    [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(editing_ ? 164 : 250) withFont:Font22Bold_ ellipsis:2];
+
+    CGSize size = [count_ sizeWithFont:Font14_];
+
+    UISetColor(White_);
+    if (count_ != nil)
+        [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
+
+    [super drawContentInRect:rect selected:selected];
+}
+
+@end
+/* }}} */
+
+/* File Table {{{ */
+@interface FileTable : RVPage {
+    _transient Database *database_;
+    Package *package_;
+    NSString *name_;
+    NSMutableArray *files_;
+    UITable *list_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+- (void) setPackage:(Package *)package;
+
+@end
+
+@implementation FileTable
+
+- (void) dealloc {
+    if (package_ != nil)
+        [package_ release];
+    if (name_ != nil)
+        [name_ release];
+    [files_ release];
+    [list_ release];
+    [super dealloc];
+}
+
+- (int) numberOfRowsInTable:(UITable *)table {
+    return files_ == nil ? 0 : [files_ count];
+}
+
+- (float) table:(UITable *)table heightForRow:(int)row {
+    return 24;
+}
+
+- (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
+    if (reusing == nil) {
+        reusing = [[[UIImageAndTextTableCell alloc] init] autorelease];
+        UIFont *font = [UIFont systemFontOfSize:16];
+        [[(UIImageAndTextTableCell *)reusing titleTextLabel] setFont:font];
+    }
+    [(UIImageAndTextTableCell *)reusing setTitle:[files_ objectAtIndex:row]];
+    return reusing;
+}
+
+- (BOOL) table:(UITable *)table canSelectRow:(int)row {
+    return NO;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+
+        files_ = [[NSMutableArray arrayWithCapacity:32] retain];
+
+        list_ = [[UITable alloc] initWithFrame:[self bounds]];
+        [self addSubview:list_];
+
+        UITableColumn *column = [[[UITableColumn alloc]
+            initWithTitle:@"Name"
+            identifier:@"name"
+            width:[self frame].size.width
+        ] autorelease];
+
+        [list_ setDataSource:self];
+        [list_ setSeparatorStyle:1];
+        [list_ addTableColumn:column];
+        [list_ setDelegate:self];
+        [list_ setReusesTableCells:YES];
+    } return self;
+}
+
+- (void) setPackage:(Package *)package {
+    if (package_ != nil) {
+        [package_ autorelease];
+        package_ = nil;
+    }
+
+    if (name_ != nil) {
+        [name_ release];
+        name_ = nil;
+    }
+
+    [files_ removeAllObjects];
+
+    if (package != nil) {
+        package_ = [package retain];
+        name_ = [[package id] retain];
+
+        if (NSArray *files = [package files])
+            [files_ addObjectsFromArray:files];
+
+        if ([files_ count] != 0) {
+            if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
+                [files_ removeObjectAtIndex:0];
+            [files_ sortUsingSelector:@selector(compareByPath:)];
+
+            NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
+            [stack addObject:@"/"];
+
+            for (int i(0), e([files_ count]); i != e; ++i) {
+                NSString *file = [files_ objectAtIndex:i];
+                while (![file hasPrefix:[stack lastObject]])
+                    [stack removeLastObject];
+                NSString *directory = [stack lastObject];
+                [stack addObject:[file stringByAppendingString:@"/"]];
+                [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
+                    ([stack count] - 2) * 3, "",
+                    [file substringFromIndex:[directory length]]
+                ]];
+            }
+        }
+    }
+
+    [list_ reloadData];
+}
+
+- (void) resetViewAnimated:(BOOL)animated {
+    [list_ resetViewAnimated:animated];
+}
+
+- (void) reloadData {
+    [self setPackage:[database_ packageWithName:name_]];
+    [self reloadButtons];
+}
+
+- (NSString *) title {
+    return @"Installed Files";
+}
+
+- (NSString *) backButtonTitle {
+    return @"Files";
+}
+
+@end
+/* }}} */
+/* Package View {{{ */
+@interface PackageView : BrowserView {
+    _transient Database *database_;
+    Package *package_;
+    NSString *name_;
+    NSMutableArray *buttons_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+- (void) setPackage:(Package *)package;
+
+@end
+
+@implementation PackageView
+
+- (void) dealloc {
+    if (package_ != nil)
+        [package_ release];
+    if (name_ != nil)
+        [name_ release];
+    [buttons_ release];
+    [super dealloc];
+}
+
+- (void) _clickButtonWithName:(NSString *)name {
+    if ([name isEqualToString:@"Install"])
+        [delegate_ installPackage:package_];
+    else if ([name isEqualToString:@"Reinstall"])
+        [delegate_ installPackage:package_];
+    else if ([name isEqualToString:@"Remove"])
+        [delegate_ removePackage:package_];
+    else if ([name isEqualToString:@"Upgrade"])
+        [delegate_ installPackage:package_];
+    else _assert(false);
+}
+
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    int count = [buttons_ count];
+    _assert(count != 0);
+    _assert(button <= count + 1);
+
+    if (count != button - 1)
+        [self _clickButtonWithName:[buttons_ objectAtIndex:(button - 1)]];
+
+    [sheet dismiss];
+}
+
+- (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
+    [[frame windowObject] evaluateWebScript:@"document.base.target = '_top'"];
+    return [super webView:sender didFinishLoadForFrame:frame];
+}
+
+- (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
+    [window setValue:package_ forKey:@"package"];
+    [super webView:sender didClearWindowObject:window forFrame:frame];
+}
+
+- (void) _rightButtonClicked {
+    /*[super _rightButtonClicked];
+    return;*/
+
+    int count = [buttons_ count];
+    _assert(count != 0);
+
+    if (count == 1)
+        [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
+    else {
+        NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:(count + 1)];
+        [buttons addObjectsFromArray:buttons_];
+        [buttons addObject:@"Cancel"];
+
+        [delegate_ slideUp:[[[UIActionSheet alloc]
+            initWithTitle:nil
+            buttons:buttons
+            defaultButtonIndex:2
+            delegate:self
+            context:@"manage"
+        ] autorelease]];
+    }
+}
+
+- (NSString *) _rightButtonTitle {
+    int count = [buttons_ count];
+    return count == 0 ? nil : count != 1 ? @"Modify" : [buttons_ objectAtIndex:0];
+}
+
+- (NSString *) backButtonTitle {
+    return @"Details";
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+        buttons_ = [[NSMutableArray alloc] initWithCapacity:4];
+    } return self;
+}
+
+- (void) setPackage:(Package *)package {
+    if (package_ != nil) {
+        [package_ autorelease];
+        package_ = nil;
+    }
+
+    if (name_ != nil) {
+        [name_ release];
+        name_ = nil;
+    }
+
+    [buttons_ removeAllObjects];
+
+    if (package != nil) {
+        package_ = [package retain];
+        name_ = [[package id] retain];
+
+        [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"package" ofType:@"html"]]];
+
+        if ([package_ source] == nil);
+        else if ([package_ upgradableAndEssential:NO])
+            [buttons_ addObject:@"Upgrade"];
+        else if ([package_ installed] == nil)
+            [buttons_ addObject:@"Install"];
+        else
+            [buttons_ addObject:@"Reinstall"];
+        if ([package_ installed] != nil)
+            [buttons_ addObject:@"Remove"];
+    }
+}
+
+- (void) reloadData {
+    [self setPackage:[database_ packageWithName:name_]];
+    [self reloadButtons];
+}
+
+@end
+/* }}} */
+/* Package Table {{{ */
+@interface PackageTable : RVPage {
+    _transient Database *database_;
+    NSString *title_;
+    SEL filter_;
+    id object_;
+    NSMutableArray *packages_;
+    NSMutableArray *sections_;
+    UISectionList *list_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
+
+- (void) setDelegate:(id)delegate;
+- (void) setObject:(id)object;
+
+- (void) reloadData;
+- (void) resetCursor;
+
+- (UISectionList *) list;
+
+- (void) setShouldHideHeaderInShortLists:(BOOL)hide;
+
+@end
+
+@implementation PackageTable
+
+- (void) dealloc {
+    [list_ setDataSource:nil];
+
+    [title_ release];
+    if (object_ != nil)
+        [object_ release];
+    [packages_ release];
+    [sections_ release];
+    [list_ release];
+    [super dealloc];
+}
+
+- (int) numberOfSectionsInSectionList:(UISectionList *)list {
+    return [sections_ count];
+}
+
+- (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
+    return [[sections_ objectAtIndex:section] name];
+}
+
+- (int) sectionList:(UISectionList *)list rowForSection:(int)section {
+    return [[sections_ objectAtIndex:section] row];
+}
+
+- (int) numberOfRowsInTable:(UITable *)table {
+    return [packages_ count];
+}
+
+- (float) table:(UITable *)table heightForRow:(int)row {
+    return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
+}
+
+- (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
+    if (reusing == nil)
+        reusing = [[[PackageCell alloc] init] autorelease];
+    [(PackageCell *)reusing setPackage:[packages_ objectAtIndex:row]];
+    return reusing;
+}
+
+- (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
+    return NO;
+}
+
+- (void) tableRowSelected:(NSNotification *)notification {
+    int row = [[notification object] selectedRow];
+    if (row == INT_MAX)
+        return;
+
+    Package *package = [packages_ objectAtIndex:row];
+    PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
+    [view setDelegate:delegate_];
+    [view setPackage:package];
+    [book_ pushPage:view];
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+        title_ = [title retain];
+        filter_ = filter;
+        object_ = object == nil ? nil : [object retain];
+
+        packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
+        sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
+
+        list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:YES];
+        [list_ setDataSource:self];
+
+        UITableColumn *column = [[[UITableColumn alloc]
+            initWithTitle:@"Name"
+            identifier:@"name"
+            width:[self frame].size.width
+        ] autorelease];
+
+        UITable *table = [list_ table];
+        [table setSeparatorStyle:1];
+        [table addTableColumn:column];
+        [table setDelegate:self];
+        [table setReusesTableCells:YES];
+
+        [self addSubview:list_];
+        [self reloadData];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+    } return self;
+}
+
+- (void) setDelegate:(id)delegate {
+    delegate_ = delegate;
+}
+
+- (void) setObject:(id)object {
+    if (object_ != nil)
+        [object_ release];
+    if (object == nil)
+        object_ = nil;
+    else
+        object_ = [object retain];
+}
+
+- (void) reloadData {
+    NSArray *packages = [database_ packages];
+
+    [packages_ removeAllObjects];
+    [sections_ removeAllObjects];
+
+    for (size_t i(0); i != [packages count]; ++i) {
+        Package *package([packages objectAtIndex:i]);
+        if ([package valid] && [[package performSelector:filter_ withObject:object_] boolValue])
+            [packages_ addObject:package];
+    }
+
+    Section *section = nil;
+
+    for (size_t offset(0); offset != [packages_ count]; ++offset) {
+        Package *package = [packages_ objectAtIndex:offset];
+        NSString *name = [package index];
+
+        if (section == nil || ![[section name] isEqualToString:name]) {
+            section = [[[Section alloc] initWithName:name row:offset] autorelease];
+            [sections_ addObject:section];
+        }
+
+        [section addToCount];
+    }
+
+    [list_ reloadData];
+}
+
+- (NSString *) title {
+    return title_;
+}
+
+- (void) resetViewAnimated:(BOOL)animated {
+    [list_ resetViewAnimated:animated];
+}
+
+- (void) resetCursor {
+    [[list_ table] scrollPointVisibleAtTopLeft:CGPointMake(0, 0) animated:NO];
+}
+
+- (UISectionList *) list {
+    return list_;
+}
+
+- (void) setShouldHideHeaderInShortLists:(BOOL)hide {
+    [list_ setShouldHideHeaderInShortLists:hide];
+}
+
+@end
+/* }}} */
+
+/* Add Source View {{{ */
+@interface AddSourceView : RVPage {
+    _transient Database *database_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+
+@end
+
+@implementation AddSourceView
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+    } return self;
+}
+
+@end
+/* }}} */
+/* Source Cell {{{ */
+@interface SourceCell : UITableCell {
+    UIImage *icon_;
+    NSString *origin_;
+    NSString *description_;
+    NSString *label_;
+}
+
+- (void) dealloc;
+
+- (SourceCell *) initWithSource:(Source *)source;
+
+@end
+
+@implementation SourceCell
+
+- (void) dealloc {
+    [icon_ release];
+    [origin_ release];
+    [description_ release];
+    [label_ release];
+    [super dealloc];
+}
+
+- (SourceCell *) initWithSource:(Source *)source {
+    if ((self = [super init]) != nil) {
+        if (icon_ == nil)
+            icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
+        if (icon_ == nil)
+            icon_ = [UIImage applicationImageNamed:@"unknown.png"];
+        icon_ = [icon_ retain];
+
+        origin_ = [[source name] retain];
+        label_ = [[source uri] retain];
+        description_ = [[source description] retain];
+    } return self;
+}
+
+- (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
+    if (icon_ != nil)
+        [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
+
+    if (selected)
+        UISetColor(White_);
+
+    if (!selected)
+        UISetColor(Black_);
+    [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:240 withFont:Font18Bold_ ellipsis:2];
+
+    if (!selected)
+        UISetColor(Blue_);
+    [label_ drawAtPoint:CGPointMake(58, 29) forWidth:225 withFont:Font12_ ellipsis:2];
+
+    if (!selected)
+        UISetColor(Gray_);
+    [description_ drawAtPoint:CGPointMake(12, 46) forWidth:280 withFont:Font14_ ellipsis:2];
+
+    [super drawContentInRect:rect selected:selected];
+}
+
+@end
+/* }}} */
+/* Source Table {{{ */
+@interface SourceTable : RVPage {
+    _transient Database *database_;
+    UISectionList *list_;
+    NSMutableArray *sources_;
+    UIActionSheet *alert_;
+    int offset_;
+
+    NSString *href_;
+    UIProgressHUD *hud_;
+    NSError *error_;
+
+    //NSURLConnection *installer_;
+    NSURLConnection *trivial_bz2_;
+    NSURLConnection *trivial_gz_;
+    //NSURLConnection *automatic_;
+
+    BOOL trivial_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+
+@end
+
+@implementation SourceTable
+
+- (void) _deallocConnection:(NSURLConnection *)connection {
+    if (connection != nil) {
+        [connection cancel];
+        //[connection setDelegate:nil];
+        [connection release];
+    }
+}
+
+- (void) dealloc {
+    [[list_ table] setDelegate:nil];
+    [list_ setDataSource:nil];
+
+    if (href_ != nil)
+        [href_ release];
+    if (hud_ != nil)
+        [hud_ release];
+    if (error_ != nil)
+        [error_ release];
+
+    //[self _deallocConnection:installer_];
+    [self _deallocConnection:trivial_gz_];
+    [self _deallocConnection:trivial_bz2_];
+    //[self _deallocConnection:automatic_];
+
+    [sources_ release];
+    [list_ release];
+    [super dealloc];
+}
+
+- (int) numberOfSectionsInSectionList:(UISectionList *)list {
+    return offset_ == 0 ? 1 : 2;
+}
+
+- (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
+    switch (section + (offset_ == 0 ? 1 : 0)) {
+        case 0: return @"Entered by User";
+        case 1: return @"Installed by Packages";
+
+        default:
+            _assert(false);
+            return nil;
+    }
+}
+
+- (int) sectionList:(UISectionList *)list rowForSection:(int)section {
+    switch (section + (offset_ == 0 ? 1 : 0)) {
+        case 0: return 0;
+        case 1: return offset_;
+
+        default:
+            _assert(false);
+            return -1;
+    }
+}
+
+- (int) numberOfRowsInTable:(UITable *)table {
+    return [sources_ count];
 }
 
-- (NSString *) id {
-    return id_;
+- (float) table:(UITable *)table heightForRow:(int)row {
+    Source *source = [sources_ objectAtIndex:row];
+    return [source description] == nil ? 56 : 73;
 }
 
-- (NSString *) name {
-    return name_ == nil ? id_ : name_;
+- (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col {
+    Source *source = [sources_ objectAtIndex:row];
+    // XXX: weird warning, stupid selectors ;P
+    return [[[SourceCell alloc] initWithSource:(id)source] autorelease];
 }
 
-- (NSString *) tagline {
-    return tagline_;
+- (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
+    return YES;
 }
 
-- (NSString *) icon {
-    return icon_;
+- (BOOL) table:(UITable *)table canSelectRow:(int)row {
+    return YES;
 }
 
-- (NSString *) website {
-    return website_;
-}
+- (void) tableRowSelected:(NSNotification*)notification {
+    UITable *table([list_ table]);
+    int row([table selectedRow]);
+    if (row == INT_MAX)
+        return;
 
-- (BOOL) matches:(NSString *)text {
-    if (text == nil)
-        return NO;
+    Source *source = [sources_ objectAtIndex:row];
 
-    NSRange range;
+    PackageTable *packages = [[[PackageTable alloc]
+        initWithBook:book_
+        database:database_
+        title:[source label]
+        filter:@selector(isVisibleInSource:)
+        with:source
+    ] autorelease];
 
-    range = [[self id] rangeOfString:text options:NSCaseInsensitiveSearch];
-    if (range.location != NSNotFound)
-        return YES;
+    [packages setDelegate:delegate_];
 
-    range = [[self name] rangeOfString:text options:NSCaseInsensitiveSearch];
-    if (range.location != NSNotFound)
-        return YES;
+    [book_ pushPage:packages];
+}
 
-    range = [[self tagline] rangeOfString:text options:NSCaseInsensitiveSearch];
-    if (range.location != NSNotFound)
-        return YES;
+- (BOOL) table:(UITable *)table canDeleteRow:(int)row {
+    Source *source = [sources_ objectAtIndex:row];
+    return [source record] != nil;
+}
 
-    return NO;
+- (void) table:(UITable *)table willSwipeToDeleteRow:(int)row {
+    [[list_ table] setDeleteConfirmationRow:row];
 }
 
-- (NSComparisonResult) compareByName:(Package *)package {
-    NSString *lhs = [self name];
-    NSString *rhs = [package name];
+- (void) table:(UITable *)table deleteRow:(int)row {
+    Source *source = [sources_ objectAtIndex:row];
+    [Sources_ removeObjectForKey:[source key]];
+    [delegate_ syncData];
+}
 
-    if ([lhs length] != 0 && [rhs length] != 0) {
-        unichar lhc = [lhs characterAtIndex:0];
-        unichar rhc = [rhs characterAtIndex:0];
+- (void) _endConnection:(NSURLConnection *)connection {
+    NSURLConnection **field = NULL;
+    if (connection == trivial_bz2_)
+        field = &trivial_bz2_;
+    else if (connection == trivial_gz_)
+        field = &trivial_gz_;
+    _assert(field != NULL);
+    [connection release];
+    *field = nil;
 
-        if (isalpha(lhc) && !isalpha(rhc))
-            return NSOrderedAscending;
-        else if (!isalpha(lhc) && isalpha(rhc))
-            return NSOrderedDescending;
-    }
+    if (
+        trivial_bz2_ == nil &&
+        trivial_gz_ == nil
+    ) {
+        [delegate_ setStatusBarShowsProgress:NO];
 
-    return [lhs caseInsensitiveCompare:rhs];
-}
+        [hud_ show:NO];
+        [hud_ removeFromSuperview];
+        [hud_ autorelease];
+        hud_ = nil;
 
-- (NSComparisonResult) compareBySectionAndName:(Package *)package {
-    NSComparisonResult result = [[self section] compare:[package section]];
-    if (result != NSOrderedSame)
-        return result;
-    return [self compareByName:package];
-}
+        if (trivial_) {
+            [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
+                @"deb", @"Type",
+                href_, @"URI",
+                @"./", @"Distribution",
+            nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href_]];
+
+            [delegate_ syncData];
+        } else if (error_ != nil) {
+            UIActionSheet *sheet = [[[UIActionSheet alloc]
+                initWithTitle:@"Verification Error"
+                buttons:[NSArray arrayWithObjects:@"OK", nil]
+                defaultButtonIndex:0
+                delegate:self
+                context:@"urlerror"
+            ] autorelease];
 
-- (NSComparisonResult) compareForChanges:(Package *)package {
-    BOOL lhs = [self upgradable];
-    BOOL rhs = [package upgradable];
+            [sheet setBodyText:[error_ localizedDescription]];
+            [sheet popupAlertAnimated:YES];
+        } else {
+            UIActionSheet *sheet = [[[UIActionSheet alloc]
+                initWithTitle:@"Did not Find Repository"
+                buttons:[NSArray arrayWithObjects:@"OK", nil]
+                defaultButtonIndex:0
+                delegate:self
+                context:@"trivial"
+            ] autorelease];
 
-    if (lhs != rhs)
-        return lhs ? NSOrderedAscending : NSOrderedDescending;
-    else if (!lhs) {
-        switch ([[self seen] compare:[package seen]]) {
-            case NSOrderedAscending:
-                return NSOrderedDescending;
-            case NSOrderedSame:
-                break;
-            case NSOrderedDescending:
-                return NSOrderedAscending;
-            default:
-                _assert(false);
+            [sheet setBodyText:@"The indicated repository could not be found. This could be because you are trying to add a legacy Installer repository (these are not supported). Also, this interface is only capable of working with exact repository URLs. If you host a repository and are having issues please contact the author of Cydia with any questions you have."];
+            [sheet popupAlertAnimated:YES];
         }
-    }
 
-    return [self compareByName:package];
-}
+        [href_ release];
+        href_ = nil;
 
-- (void) install {
-    pkgProblemResolver *resolver = [database_ resolver];
-    resolver->Clear(iterator_);
-    resolver->Protect(iterator_);
-    [database_ cache]->MarkInstall(iterator_, false);
+        if (error_ != nil) {
+            [error_ release];
+            error_ = nil;
+        }
+    }
 }
 
-- (void) remove {
-    pkgProblemResolver *resolver = [database_ resolver];
-    resolver->Clear(iterator_);
-    resolver->Protect(iterator_);
-    resolver->Remove(iterator_);
-    [database_ cache]->MarkDelete(iterator_, true);
+- (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
+    switch ([response statusCode]) {
+        case 200:
+            trivial_ = YES;
+    }
 }
 
-@end
-/* }}} */
-/* Section Class {{{ */
-@interface Section : NSObject {
-    NSString *name_;
-    size_t row_;
-    NSMutableArray *packages_;
+- (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
+    lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
+    if (error_ != nil)
+        error_ = [error retain];
+    [self _endConnection:connection];
 }
 
-- (void) dealloc;
+- (void) connectionDidFinishLoading:(NSURLConnection *)connection {
+    [self _endConnection:connection];
+}
 
-- (Section *) initWithName:(NSString *)name row:(size_t)row;
-- (NSString *) name;
-- (size_t) row;
-- (NSArray *) packages;
-- (size_t) count;
-- (void) addPackage:(Package *)package;
-@end
+- (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
+    NSMutableURLRequest *request = [NSMutableURLRequest
+        requestWithURL:[NSURL URLWithString:href]
+        cachePolicy:NSURLRequestUseProtocolCachePolicy
+        timeoutInterval:20.0
+    ];
 
-@implementation Section
+    [request setHTTPMethod:method];
 
-- (void) dealloc {
-    [name_ release];
-    [packages_ release];
-    [super dealloc];
+    return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
 }
 
-- (Section *) initWithName:(NSString *)name row:(size_t)row {
-    if ((self = [super init]) != nil) {
-        name_ = [name retain];
-        row_ = row;
-        packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
-    } return self;
-}
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    NSString *context = [sheet context];
+    if ([context isEqualToString:@"source"])
+        switch (button) {
+            case 1: {
+                NSString *href = [[sheet textField] text];
 
-- (NSString *) name {
-    return name_;
-}
+                //installer_ = [[self _requestHRef:href method:@"GET"] retain];
 
-- (size_t) row {
-    return row_;
-}
+                if (![href hasSuffix:@"/"])
+                    href_ = [href stringByAppendingString:@"/"];
+                else
+                    href_ = href;
+                href_ = [href_ retain];
 
-- (NSArray *) packages {
-    return packages_;
-}
+                trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
+                trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
+                //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
 
-- (size_t) count {
-    return [packages_ count];
-}
+                trivial_ = false;
 
-- (void) addPackage:(Package *)package {
-    [packages_ addObject:package];
-}
+                hud_ = [delegate_ addProgressHUD];
+                [hud_ setText:@"Verifying URL"];
+            } break;
 
-@end
-/* }}} */
+            case 2:
+            break;
 
-/* Package View {{{ */
-@protocol PackageViewDelegate
-- (void) performPackage:(Package *)package;
-@end
+            default:
+                _assert(false);
+        }
 
-@interface PackageView : UIView {
-    UIPreferencesTable *table_;
-    Package *package_;
-    UITextView *description_;
-    id delegate_;
+    [sheet dismiss];
 }
 
-- (void) dealloc;
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+        sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
 
-- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table;
-- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group;
-- (float) preferencesTable:(UIPreferencesTable *)table heightForRow:(int)row inGroup:(int)group withProposedHeight:(float)proposed;
-- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group;
-- (UIPreferencesTableCell *) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group;
+        //list_ = [[UITable alloc] initWithFrame:[self bounds]];
+        list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:NO];
+        [list_ setShouldHideHeaderInShortLists:NO];
 
-- (BOOL) canSelectRow:(int)row;
-- (void) tableRowSelected:(NSNotification *)notification;
+        [self addSubview:list_];
+        [list_ setDataSource:self];
 
-- (Package *) package;
+        UITableColumn *column = [[UITableColumn alloc]
+            initWithTitle:@"Name"
+            identifier:@"name"
+            width:[self frame].size.width
+        ];
 
-- (id) initWithFrame:(struct CGRect)frame;
-- (void) setPackage:(Package *)package;
-- (void) setDelegate:(id)delegate;
-@end
+        UITable *table = [list_ table];
+        [table setSeparatorStyle:1];
+        [table addTableColumn:column];
+        [table setDelegate:self];
 
-@implementation PackageView
+        [self reloadData];
 
-- (void) dealloc {
-    if (package_ != nil)
-        [package_ release];
-    if (description_ != nil)
-        [description_ release];
-    [table_ release];
-    [super dealloc];
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+    } return self;
 }
 
-- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
-    return 2;
-}
+- (void) reloadData {
+    pkgSourceList list;
+    _assert(list.ReadMainList());
 
-- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
-    switch (group) {
-        case 0: return nil;
-        case 1: return @"Details";
-        case 2: return @"Source";
+    [sources_ removeAllObjects];
+    [sources_ addObjectsFromArray:[database_ sources]];
+    _trace();
+    [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
+    _trace();
 
-        default: _assert(false);
+    int count = [sources_ count];
+    for (offset_ = 0; offset_ != count; ++offset_) {
+        Source *source = [sources_ objectAtIndex:offset_];
+        if ([source record] == nil)
+            break;
     }
-}
 
-- (float) preferencesTable:(UIPreferencesTable *)table heightForRow:(int)row inGroup:(int)group withProposedHeight:(float)proposed {
-    if (group != 0 || row != 1)
-        return proposed;
-    else
-        return [description_ visibleTextRect].size.height + TextViewOffset_;
+    [list_ reloadData];
 }
 
-- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
-    switch (group) {
-        case 0: return [package_ website] == nil ? 2 : 3;
-        case 1: return 5;
-        case 2: return 0;
-
-        default: _assert(false);
-    }
+- (void) resetViewAnimated:(BOOL)animated {
+    [list_ resetViewAnimated:animated];
 }
 
-- (UIPreferencesTableCell *) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
-    UIPreferencesTableCell *cell = [[[UIPreferencesTableCell alloc] init] autorelease];
-    [cell setShowSelection:NO];
-
-    switch (group) {
-        case 0: switch (row) {
-            case 0:
-                [cell setTitle:[package_ name]];
-                [cell setValue:[package_ latest]];
-            break;
-
-            case 1:
-                [cell addSubview:description_];
-            break;
+- (void) _leftButtonClicked {
+    /*[book_ pushPage:[[[AddSourceView alloc]
+        initWithBook:book_
+        database:database_
+    ] autorelease]];*/
 
-            case 2:
-                [cell setTitle:@"More Information"];
-                [cell setShowDisclosure:YES];
-                [cell setShowSelection:YES];
-            break;
+    UIActionSheet *sheet = [[[UIActionSheet alloc]
+        initWithTitle:@"Enter Cydia/APT URL"
+        buttons:[NSArray arrayWithObjects:@"Add Source", @"Cancel", nil]
+        defaultButtonIndex:0
+        delegate:self
+        context:@"source"
+    ] autorelease];
 
-            default: _assert(false);
-        } break;
+    [sheet addTextFieldWithValue:@"http://" label:@""];
 
-        case 1: switch (row) {
-            case 0:
-                [cell setTitle:@"Identifier"];
-                [cell setValue:[package_ id]];
-            break;
+    UITextInputTraits *traits = [[sheet textField] textInputTraits];
+    [traits setAutocapitalizationType:0];
+    [traits setKeyboardType:3];
+    [traits setAutocorrectionType:1];
 
-            case 1: {
-                [cell setTitle:@"Installed Version"];
-                NSString *installed([package_ installed]);
-                [cell setValue:(installed == nil ? @"n/a" : installed)];
-            } break;
+    [sheet popupAlertAnimated:YES];
+}
 
-            case 2:
-                [cell setTitle:@"Section"];
-                [cell setValue:[package_ section]];
-            break;
+- (void) _rightButtonClicked {
+    UITable *table = [list_ table];
+    BOOL editing = [table isRowDeletionEnabled];
+    [table enableRowDeletion:!editing animated:YES];
+    [book_ reloadButtonsForPage:self];
+}
 
-            case 3:
-                [cell setTitle:@"Expanded Size"];
-                [cell setValue:SizeString([package_ size])];
-            break;
+- (NSString *) title {
+    return @"Sources";
+}
 
-            case 4:
-                [cell setTitle:@"Maintainer"];
-                [cell setValue:[[package_ maintainer] name]];
-                [cell setShowDisclosure:YES];
-                [cell setShowSelection:YES];
-            break;
+- (NSString *) leftButtonTitle {
+    return [[list_ table] isRowDeletionEnabled] ? @"Add" : nil;
+}
 
-            default: _assert(false);
-        } break;
+- (NSString *) rightButtonTitle {
+    return [[list_ table] isRowDeletionEnabled] ? @"Done" : @"Edit";
+}
 
-        case 2: switch (row) {
-        } break;
+- (UINavigationButtonStyle) rightButtonStyle {
+    return [[list_ table] isRowDeletionEnabled] ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
+}
 
-        default: _assert(false);
-    }
+@end
+/* }}} */
 
-    return cell;
+/* Installed View {{{ */
+@interface InstalledView : RVPage {
+    _transient Database *database_;
+    PackageTable *packages_;
+    BOOL expert_;
 }
 
-- (BOOL) canSelectRow:(int)row {
-    return YES;
-}
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
 
-- (void) tableRowSelected:(NSNotification *)notification {
-    int row = [table_ selectedRow];
-    NSString *website = [package_ website];
+@end
 
-    if (row == (website == nil ? 8 : 9))
-        [delegate_ openURL:[NSURL URLWithString:[NSString stringWithFormat:@"mailto:%@?subject=%@",
-            [[package_ maintainer] email],
-            [[NSString stringWithFormat:@"regarding apt package \"%@\"", [package_ name]] stringByAddingPercentEscapes]
-        ]]];
-    else if (website != nil && row == 3)
-        [delegate_ openURL:[NSURL URLWithString:website]];
-}
+@implementation InstalledView
 
-- (Package *) package {
-    return package_;
+- (void) dealloc {
+    [packages_ release];
+    [super dealloc];
 }
 
-- (id) initWithFrame:(struct CGRect)frame {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        table_ = [[UIPreferencesTable alloc] initWithFrame:[self bounds]];
-        [self addSubview:table_];
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
 
-        [table_ setDataSource:self];
-        [table_ setDelegate:self];
+        packages_ = [[PackageTable alloc]
+            initWithBook:book
+            database:database
+            title:nil
+            filter:@selector(isInstalledAndVisible:)
+            with:[NSNumber numberWithBool:YES]
+        ];
+
+        [self addSubview:packages_];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [packages_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
-- (void) setPackage:(Package *)package {
-    if (package_ != nil) {
-        [package_ autorelease];
-        package_ = nil;
-    }
-
-    if (description_ != nil) {
-        [description_ release];
-        description_ = nil;
-    }
+- (void) resetViewAnimated:(BOOL)animated {
+    [packages_ resetViewAnimated:animated];
+}
 
-    if (package != nil) {
-        package_ = [package retain];
+- (void) reloadData {
+    [packages_ reloadData];
+}
 
-        NSString *description([package description]);
-        if (description == nil)
-            description = [package tagline];
-        description_ = [GetTextView(description, 12, true) retain];
+- (void) _rightButtonClicked {
+    [packages_ setObject:[NSNumber numberWithBool:expert_]];
+    [packages_ reloadData];
+    expert_ = !expert_;
+    [book_ reloadButtonsForPage:self];
+}
 
-        CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
-        CGColor black(space, 0, 0, 0, 1);
-        [description_ setTextColor:black];
-        CGColorSpaceRelease(space);
+- (NSString *) title {
+    return @"Installed";
+}
 
-        [table_ reloadData];
-    }
+- (NSString *) backButtonTitle {
+    return @"Packages";
 }
 
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
+- (NSString *) rightButtonTitle {
+    return Role_ != nil && [Role_ isEqualToString:@"Developer"] ? nil : expert_ ? @"Expert" : @"Simple";
 }
 
-@end
-/* }}} */
-/* Package Cell {{{ */
-@interface PackageCell : UITableCell {
-    UITextLabel *name_;
-    UITextLabel *version_;
-    UITextLabel *description_;
-    SEL versioner_;
+- (UINavigationButtonStyle) rightButtonStyle {
+    return expert_ ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
 }
 
-- (void) dealloc;
+- (void) setDelegate:(id)delegate {
+    [super setDelegate:delegate];
+    [packages_ setDelegate:delegate];
+}
 
-- (PackageCell *) initWithVersioner:(SEL)versioner;
-- (void) setPackage:(Package *)package;
+@end
+/* }}} */
 
-- (void) _setSelected:(float)fraction;
-- (void) setSelected:(BOOL)selected;
-- (void) setSelected:(BOOL)selected withFade:(BOOL)fade;
-- (void) _setSelectionFadeFraction:(float)fraction;
+/* Home View {{{ */
+@interface HomeView : BrowserView {
+}
 
 @end
 
-@implementation PackageCell
+@implementation HomeView
 
-- (void) dealloc {
-    [name_ release];
-    [version_ release];
-    [description_ release];
-    [super dealloc];
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    [sheet dismiss];
 }
 
-- (PackageCell *) initWithVersioner:(SEL)versioner {
-    if ((self = [super init]) != nil) {
-        versioner_ = versioner;
+- (void) _leftButtonClicked {
+    UIActionSheet *sheet = [[[UIActionSheet alloc]
+        initWithTitle:@"About Cydia Installer"
+        buttons:[NSArray arrayWithObjects:@"Close", nil]
+        defaultButtonIndex:0
+        delegate:self
+        context:@"about"
+    ] autorelease];
 
-        GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 22);
-        GSFontRef large = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 16);
-        GSFontRef small = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 14);
+    [sheet setBodyText:
+        @"Copyright (C) 2008\n"
+        "Jay Freeman (saurik)\n"
+        "saurik@saurik.com\n"
+        "http://www.saurik.com/\n"
+        "\n"
+        "The Okori Group\n"
+        "http://www.theokorigroup.com/\n"
+        "\n"
+        "College of Creative Studies,\n"
+        "University of California,\n"
+        "Santa Barbara\n"
+        "http://www.ccs.ucsb.edu/"
+    ];
 
-        CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
+    [sheet popupAlertAnimated:YES];
+}
 
-        CGColor clear(space, 0, 0, 0, 0);
+- (NSString *) leftButtonTitle {
+    return @"About";
+}
 
-        name_ = [[UITextLabel alloc] initWithFrame:CGRectMake(12, 7, 250, 25)];
-        [name_ setBackgroundColor:clear];
-        [name_ setFont:bold];
+@end
+/* }}} */
+/* Manage View {{{ */
+@interface ManageView : BrowserView {
+}
 
-        version_ = [[UIRightTextLabel alloc] initWithFrame:CGRectMake(286, 7, 70, 25)];
-        [version_ setBackgroundColor:clear];
-        [version_ setFont:large];
+@end
 
-        description_ = [[UITextLabel alloc] initWithFrame:CGRectMake(13, 35, 280, 20)];
-        [description_ setBackgroundColor:clear];
-        [description_ setFont:small];
+@implementation ManageView
 
-        [self addSubview:name_];
-        [self addSubview:version_];
-        [self addSubview:description_];
+- (NSString *) title {
+    return @"Manage";
+}
 
-        CGColorSpaceRelease(space);
+- (void) _leftButtonClicked {
+    [delegate_ askForSettings];
+}
 
-        CFRelease(small);
-        CFRelease(large);
-        CFRelease(bold);
-    } return self;
+- (NSString *) leftButtonTitle {
+    return @"Settings";
 }
 
-- (void) setPackage:(Package *)package {
-    [name_ setText:[package name]];
-    [version_ setText:[package latest]];
-    [description_ setText:[package tagline]];
+- (NSString *) _rightButtonTitle {
+    return nil;
 }
 
-- (void) _setSelected:(float)fraction {
-    CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
+@end
+/* }}} */
 
-    CGColor black(space,
-        interpolate(0.0, 1.0, fraction),
-        interpolate(0.0, 1.0, fraction),
-        interpolate(0.0, 1.0, fraction),
-    1.0);
+@interface WebView (Cydia)
+- (void) setScriptDebugDelegate:(id)delegate;
+- (void) _setFormDelegate:(id)delegate;
+- (void) _setUIKitDelegate:(id)delegate;
+- (void) setWebMailDelegate:(id)delegate;
+- (void) _setLayoutInterval:(float)interval;
+@end
 
-    CGColor blue(space,
-        interpolate(0.2, 1.0, fraction),
-        interpolate(0.2, 1.0, fraction),
-        interpolate(1.0, 1.0, fraction),
-    1.0);
+/* Indirect Delegate {{{ */
+@interface IndirectDelegate : NSProxy {
+    _transient volatile id delegate_;
+}
 
-    CGColor gray(space,
-        interpolate(0.4, 1.0, fraction),
-        interpolate(0.4, 1.0, fraction),
-        interpolate(0.4, 1.0, fraction),
-    1.0);
+- (void) setDelegate:(id)delegate;
+- (id) initWithDelegate:(id)delegate;
+@end
 
-    [name_ setColor:black];
-    [version_ setColor:blue];
-    [description_ setColor:gray];
+@implementation IndirectDelegate
 
-    CGColorSpaceRelease(space);
+- (void) setDelegate:(id)delegate {
+    delegate_ = delegate;
 }
 
-- (void) setSelected:(BOOL)selected {
-    [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected];
+- (id) initWithDelegate:(id)delegate {
+    delegate_ = delegate;
+    return self;
 }
 
-- (void) setSelected:(BOOL)selected withFade:(BOOL)fade {
-    if (!fade)
-        [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected withFade:fade];
+- (NSMethodSignature*) methodSignatureForSelector:(SEL)sel {
+    if (delegate_ != nil)
+        if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
+            return sig;
+    // XXX: I fucking hate Apple so very very bad
+    return [NSMethodSignature signatureWithObjCTypes:"v@:"];
 }
 
-- (void) _setSelectionFadeFraction:(float)fraction {
-    [self _setSelected:fraction];
-    [super _setSelectionFadeFraction:fraction];
+- (void) forwardInvocation:(NSInvocation *)inv {
+    SEL sel = [inv selector];
+    if (delegate_ != nil && [delegate_ respondsToSelector:sel])
+        [inv invokeWithTarget:delegate_];
 }
 
 @end
 /* }}} */
-
-/* Database Implementation {{{ */
-@implementation Database
+/* Browser Implementation {{{ */
+@implementation BrowserView
 
 - (void) dealloc {
-    _assert(false);
-    [super dealloc];
-}
-
-- (void) _readStatus:(NSNumber *)fd {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    WebView *webview = [webview_ webView];
+    [webview setFrameLoadDelegate:nil];
+    [webview setResourceLoadDelegate:nil];
+    [webview setUIDelegate:nil];
+    [webview setScriptDebugDelegate:nil];
+    [webview setPolicyDelegate:nil];
 
-    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
-    std::istream is(&ib);
-    std::string line;
+    [webview setDownloadDelegate:nil];
 
-    const char *error;
-    int offset;
-    pcre *code = pcre_compile("^([^:]*):([^:]*):([^:]*):(.*)$", 0, &error, &offset, NULL);
+    [webview _setFormDelegate:nil];
+    [webview _setUIKitDelegate:nil];
+    [webview setWebMailDelegate:nil];
+    [webview setEditingDelegate:nil];
 
-    pcre_extra *study = NULL;
-    int capture;
-    pcre_fullinfo(code, study, PCRE_INFO_CAPTURECOUNT, &capture);
-    int matches[(capture + 1) * 3];
+    [webview_ setDelegate:nil];
+    [webview_ setGestureDelegate:nil];
 
-    while (std::getline(is, line)) {
-        const char *data(line.c_str());
+    //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 
-        _assert(pcre_exec(code, study, data, line.size(), 0, 0, matches, sizeof(matches) / sizeof(matches[0])) >= 0);
+    [webview close];
 
-        std::istringstream buffer(line.substr(matches[6], matches[7] - matches[6]));
-        float percent;
-        buffer >> percent;
-        [delegate_ setPercent:(percent / 100)];
+#if RecycleWebViews
+    [webview_ removeFromSuperview];
+    [Documents_ addObject:[webview_ autorelease]];
+#else
+    [webview_ release];
+#endif
 
-        NSString *string = [NSString stringWithCString:(data + matches[8]) length:(matches[9] - matches[8])];
-        std::string type(line.substr(matches[2], matches[3] - matches[2]));
+    [indirect_ setDelegate:nil];
+    [indirect_ release];
 
-        if (type == "pmerror")
-            [delegate_ setError:string];
-        else if (type == "pmstatus")
-            [delegate_ setTitle:string];
-        else if (type == "pmconffile")
-            ;
-        else _assert(false);
-    }
+    [scroller_ setDelegate:nil];
 
-    [pool release];
-    _assert(false);
+    [scroller_ release];
+    [urls_ release];
+    [indicator_ release];
+    if (title_ != nil)
+        [title_ release];
+    [super dealloc];
 }
 
-- (void) _readOutput:(NSNumber *)fd {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
-    std::istream is(&ib);
-    std::string line;
-
-    while (std::getline(is, line))
-        [delegate_ addOutput:[NSString stringWithCString:line.c_str()]];
-
-    [pool release];
-    _assert(false);
+- (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
+    [self loadRequest:[NSURLRequest
+        requestWithURL:url
+        cachePolicy:policy
+        timeoutInterval:30.0
+    ]];
 }
 
-- (Package *) packageWithName:(NSString *)name {
-    pkgCache::PkgIterator iterator(cache_->FindPkg([name cString]));
-    return iterator.end() ? nil : [Package packageWithIterator:iterator database:self];
+- (void) loadURL:(NSURL *)url {
+    [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
 }
 
-- (Database *) init {
-    if ((self = [super init]) != nil) {
-        records_ = NULL;
-        resolver_ = NULL;
-        fetcher_ = NULL;
-        lock_ = NULL;
-
-        int fds[2];
+- (NSURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
+    NSMutableURLRequest *copy = [request mutableCopy];
 
-        _assert(pipe(fds) != -1);
-        statusfd_ = fds[1];
+    if (Machine_ != NULL)
+        [copy addValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
+    if (UniqueID_ != nil)
+        [copy addValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
 
-        [NSThread
-            detachNewThreadSelector:@selector(_readStatus:)
-            toTarget:self
-            withObject:[[NSNumber numberWithInt:fds[0]] retain]
-        ];
+    if (Role_ != nil)
+        [copy addValue:Role_ forHTTPHeaderField:@"X-Role"];
 
-        _assert(pipe(fds) != -1);
-        _assert(dup2(fds[1], 1) != -1);
-        _assert(close(fds[1]) != -1);
+    return copy;
+}
 
-        [NSThread
-            detachNewThreadSelector:@selector(_readOutput:)
-            toTarget:self
-            withObject:[[NSNumber numberWithInt:fds[0]] retain]
-        ];
-    } return self;
+- (void) loadRequest:(NSURLRequest *)request {
+    pushed_ = true;
+    [webview_ loadRequest:request];
 }
 
-- (pkgCacheFile &) cache {
-    return cache_;
+- (void) reloadURL {
+    if ([urls_ count] == 0)
+        return;
+    NSURL *url = [[[urls_ lastObject] retain] autorelease];
+    [urls_ removeLastObject];
+    [self loadURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData];
 }
 
-- (pkgRecords *) records {
-    return records_;
+- (WebView *) webView {
+    return [webview_ webView];
 }
 
-- (pkgProblemResolver *) resolver {
-    return resolver_;
+- (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
+    [scroller_ setContentSize:frame.size];
 }
 
-- (pkgAcquire &) fetcher {
-    return *fetcher_;
+- (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
+    [self view:sender didSetFrame:frame];
 }
 
-- (void) reloadData {
-    _error->Discard();
-    manager_ = NULL;
-    delete lock_;
-    delete fetcher_;
-    delete resolver_;
-    delete records_;
-    cache_.Close();
-    _assert(cache_.Open(progress_, true));
-    records_ = new pkgRecords(cache_);
-    resolver_ = new pkgProblemResolver(cache_);
-    fetcher_ = new pkgAcquire(&status_);
-    lock_ = NULL;
+- (void) pushPage:(RVPage *)page {
+    [self setBackButtonTitle:title_];
+    [page setDelegate:delegate_];
+    [book_ pushPage:page];
 }
 
-- (void) prepare {
-    pkgRecords records(cache_);
+- (BOOL) getSpecial:(NSURL *)url {
+    NSString *href([url absoluteString]);
+    NSString *scheme([[url scheme] lowercaseString]);
 
-    lock_ = new FileFd();
-    lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
-    _assert(!_error->PendingError());
+    RVPage *page = nil;
 
-    pkgSourceList list;
-    _assert(list.ReadMainList());
+    if ([href hasPrefix:@"apptapp://package/"])
+        page = [delegate_ pageForPackage:[href substringFromIndex:18]];
+    else if ([scheme isEqualToString:@"cydia"]) {
+        page = [delegate_ pageForURL:url hasTag:NULL];
+        if (page == nil)
+            return false;
+    } else if (![scheme isEqualToString:@"apptapp"])
+        return false;
 
-    manager_ = (_system->CreatePM(cache_));
-    _assert(manager_->GetArchives(fetcher_, &list, &records));
-    _assert(!_error->PendingError());
+    if (page != nil)
+        [self pushPage:page];
+    return true;
 }
 
-- (void) perform {
-    if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue)
-        return;
+- (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
+    [window setValue:delegate_ forKey:@"cydia"];
+}
 
-    _system->UnLock();
-    pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
+- (void) webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)dictionary request:(NSURLRequest *)request newFrameName:(NSString *)name decisionListener:(id<WebPolicyDecisionListener>)listener {
+    if (NSURL *url = [request URL]) {
+        if (![self getSpecial:url]) {
+            NSString *scheme([[url scheme] lowercaseString]);
+            if ([scheme isEqualToString:@"mailto"])
+                [delegate_ openMailToURL:url];
+            else goto use;
+        }
 
-    if (result == pkgPackageManager::Failed)
-        return;
-    if (_error->PendingError())
-        return;
-    if (result != pkgPackageManager::Completed)
-        return;
+        [listener ignore];
+    } else use:
+        [listener use];
 }
 
-- (void) update {
-    pkgSourceList list;
-    _assert(list.ReadMainList());
+- (void) webView:(WebView *)webView decidePolicyForMIMEType:(NSString *)type request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
+    if ([WebView canShowMIMEType:type])
+        [listener use];
+    else {
+        // XXX: handle more mime types!
+        [listener ignore];
+        if (frame == [webView mainFrame])
+            [UIApp openURL:[request URL]];
+    }
+}
 
-    FileFd lock;
-    lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
-    _assert(!_error->PendingError());
+- (void) webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
+    NSURL *url([request URL]);
 
-    pkgAcquire fetcher(&status_);
-    _assert(list.GetIndexes(&fetcher));
-    _assert(fetcher.Run(PulseInterval_) != pkgAcquire::Failed);
+    if (url == nil) use: {
+        [listener use];
+        return;
+    }
 
-    bool failed = false;
-    for (pkgAcquire::ItemIterator item = fetcher.ItemsBegin(); item != fetcher.ItemsEnd(); item++)
-        if ((*item)->Status != pkgAcquire::Item::StatDone) {
-            (*item)->Finished();
-            failed = true;
-        }
+    const NSArray *capability(reinterpret_cast<const NSArray *>(GSSystemGetCapability(kGSDisplayIdentifiersCapability)));
 
-    if (!failed && _config->FindB("APT::Get::List-Cleanup", true) == true) {
-        _assert(fetcher.Clean(_config->FindDir("Dir::State::lists")));
-        _assert(fetcher.Clean(_config->FindDir("Dir::State::lists") + "partial/"));
+    if (
+        [capability containsObject:@"com.apple.Maps"] && [url mapsURL] ||
+        [capability containsObject:@"com.apple.youtube"] && [url youTubeURL]
+    ) {
+      open:
+        [UIApp openURL:url];
+      ignore:
+        [listener ignore];
+        return;
     }
 
-    [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
-}
+    int store(_not(int));
+    if (NSURL *itms = [url itmsURL:&store]) {
+        NSLog(@"itms#%@#%u#%@", url, store, itms);
+        if (
+            store == 1 && [capability containsObject:@"com.apple.MobileStore"] ||
+            store == 2 && [capability containsObject:@"com.apple.AppStore"]
+        ) {
+            url = itms;
+            goto open;
+        }
+    }
 
-- (void) upgrade {
-    _assert(cache_->DelCount() == 0 && cache_->InstCount() == 0);
-    _assert(pkgApplyStatus(cache_));
+    NSString *scheme([[url scheme] lowercaseString]);
 
-    if (cache_->BrokenCount() != 0) {
-        _assert(pkgFixBroken(cache_));
-        _assert(cache_->BrokenCount() == 0);
-        _assert(pkgMinimizeUpgrade(cache_));
+    if ([scheme isEqualToString:@"tel"]) {
+        // XXX: intelligence
+        goto open;
     }
 
-    _assert(pkgDistUpgrade(cache_));
+    if ([scheme isEqualToString:@"mailto"]) {
+        [delegate_ openMailToURL:url];
+        goto ignore;
+    }
+
+    if ([self getSpecial:url])
+        goto ignore;
+    else if ([WebView _canHandleRequest:request])
+        goto use;
+    else if ([url isSpringboardHandledURL])
+        goto open;
+    else
+        goto use;
 }
 
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
-    status_.setDelegate(delegate);
-    progress_.setDelegate(delegate);
+- (void) webView:(WebView *)sender setStatusText:(NSString *)text {
+    //lprintf("Status:%s\n", [text UTF8String]);
 }
 
-@end
-/* }}} */
+- (void) _pushPage {
+    if (pushed_)
+        return;
+    pushed_ = true;
+    [book_ pushPage:self];
+}
 
-/* Progress Data {{{ */
-@interface ProgressData : NSObject {
-    SEL selector_;
-    id target_;
-    id object_;
+- (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)dataSource {
+    NSURL *url = [request URL];
+    if ([self getSpecial:url])
+        return nil;
+    [self _pushPage];
+    return [self _addHeadersToRequest:request];
 }
 
-- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object;
+- (WebView *) _createWebViewWithRequest:(NSURLRequest *)request pushed:(BOOL)pushed {
+    [self setBackButtonTitle:title_];
 
-- (SEL) selector;
-- (id) target;
-- (id) object;
-@end
+    BrowserView *browser = [[[BrowserView alloc] initWithBook:book_] autorelease];
+    [browser setDelegate:delegate_];
 
-@implementation ProgressData
+    if (pushed) {
+        [browser loadRequest:[self _addHeadersToRequest:request]];
+        [book_ pushPage:browser];
+    }
 
-- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object {
-    if ((self = [super init]) != nil) {
-        selector_ = selector;
-        target_ = target;
-        object_ = object;
-    } return self;
+    return [browser webView];
 }
 
-- (SEL) selector {
-    return selector_;
+- (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
+    return [self _createWebViewWithRequest:request pushed:(request != nil)];
 }
 
-- (id) target {
-    return target_;
+- (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request windowFeatures:(NSDictionary *)features {
+    return [self _createWebViewWithRequest:request pushed:YES];
 }
 
-- (id) object {
-    return object_;
-}
+- (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
+    if ([frame parentFrame] != nil)
+        return;
 
-@end
-/* }}} */
-/* Progress View {{{ */
-@interface ProgressView : UIView <
-    ProgressDelegate
-> {
-    UIView *view_;
-    UIView *background_;
-    UITransitionView *transition_;
-    UIView *overlay_;
-    UINavigationBar *navbar_;
-    UIProgressBar *progress_;
-    UITextView *output_;
-    UITextLabel *status_;
-    id delegate_;
+    title_ = [title retain];
+    [book_ reloadTitleForPage:self];
 }
 
-- (void) dealloc;
+- (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
+    if ([frame parentFrame] != nil)
+        return;
 
-- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to;
+    reloading_ = false;
+    loading_ = true;
+    [indicator_ startAnimation];
+    [self reloadButtons];
 
-- (ProgressView *) initWithFrame:(struct CGRect)frame delegate:(id)delegate;
-- (void) setContentView:(UIView *)view;
-- (void) resetView;
+    if (title_ != nil) {
+        [title_ release];
+        title_ = nil;
+    }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button;
+    [book_ reloadTitleForPage:self];
 
-- (void) _retachThread;
-- (void) _detachNewThreadData:(ProgressData *)data;
-- (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title;
+    WebView *webview = [webview_ webView];
+    NSString *href = [webview mainFrameURL];
+    [urls_ addObject:[NSURL URLWithString:href]];
 
-- (void) setError:(NSString *)error;
-- (void) _setError:(NSString *)error;
+    [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
 
-- (void) setTitle:(NSString *)title;
-- (void) _setTitle:(NSString *)title;
+    CGRect webrect = [scroller_ bounds];
+    webrect.size.height = 0;
+    [webview_ setFrame:webrect];
+}
 
-- (void) setPercent:(float)percent;
-- (void) _setPercent:(NSNumber *)percent;
+- (void) _finishLoading {
+    if (!reloading_) {
+        loading_ = false;
+        [indicator_ stopAnimation];
+        [self reloadButtons];
+    }
+}
 
-- (void) addOutput:(NSString *)output;
-- (void) _addOutput:(NSString *)output;
-@end
+- (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
+    return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
+}
 
-@protocol ProgressViewDelegate
-- (void) progressViewIsComplete:(ProgressView *)sender;
-@end
+- (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
+    return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
+}
 
-@implementation ProgressView
+- (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
+    return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
+}
 
-- (void) dealloc {
-    [view_ release];
-    if (background_ != nil)
-        [background_ release];
-    [transition_ release];
-    [overlay_ release];
-    [navbar_ release];
-    [progress_ release];
-    [output_ release];
-    [status_ release];
-    [super dealloc];
+- (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
+    return [webview_ webView:sender didCommitLoadForFrame:frame];
+}
+
+- (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
+    return [webview_ webView:sender didReceiveDocTypeForFrame:frame];
+}
+
+- (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
+    if ([frame parentFrame] == nil)
+        [self _finishLoading];
+    return [webview_ webView:sender didFinishLoadForFrame:frame];
+}
+
+- (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
+    if ([frame parentFrame] != nil)
+        return;
+    [self _finishLoading];
+
+    [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
+        [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
+        [[error localizedDescription] stringByAddingPercentEscapes]
+    ]]];
 }
 
-- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
-    if (bootstrap_ && from == overlay_ && to == view_)
-        exit(0);
+- (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
+#if ForSaurik
+    lprintf("Console:%s\n", [[dictionary description] UTF8String]);
+#endif
 }
 
-- (ProgressView *) initWithFrame:(struct CGRect)frame delegate:(id)delegate {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        delegate_ = delegate;
+- (id) initWithBook:(RVBook *)book {
+    if ((self = [super initWithBook:book]) != nil) {
+        loading_ = false;
 
-        CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
+        struct CGRect bounds = [self bounds];
 
-        CGColor black(space, 0.0, 0.0, 0.0, 1.0);
-        CGColor white(space, 1.0, 1.0, 1.0, 1.0);
-        CGColor clear(space, 0.0, 0.0, 0.0, 0.0);
+        UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:bounds] autorelease];
+        [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
+        [self addSubview:pinstripe];
 
-        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
-        [transition_ setDelegate:self];
+        scroller_ = [[UIScroller alloc] initWithFrame:bounds];
+        [self addSubview:scroller_];
 
-        overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
+        [scroller_ setScrollingEnabled:YES];
+        [scroller_ setAdjustForContentSizeChange:YES];
+        [scroller_ setClipsSubviews:YES];
+        [scroller_ setAllowsRubberBanding:YES];
+        [scroller_ setScrollDecelerationFactor:0.99];
+        [scroller_ setDelegate:self];
 
-        if (bootstrap_)
-            [overlay_ setBackgroundColor:black];
-        else {
-            background_ = [[UIView alloc] initWithFrame:[self bounds]];
-            [background_ setBackgroundColor:black];
-            [self addSubview:background_];
-        }
+        CGRect webrect = [scroller_ bounds];
+        webrect.size.height = 0;
 
-        [self addSubview:transition_];
+        WebView *webview;
 
-        CGSize navsize = [UINavigationBar defaultSize];
-        CGRect navrect = {{0, 0}, navsize};
+#if RecycleWebViews
+        webview_ = [Documents_ lastObject];
+        if (webview_ != nil) {
+            webview_ = [webview_ retain];
+            webview = [webview_ webView];
+            [Documents_ removeLastObject];
+            [webview_ setFrame:webrect];
+        } else {
+#else
+        if (true) {
+#endif
+            webview_ = [[UIWebDocumentView alloc] initWithFrame:webrect];
+            webview = [webview_ webView];
 
-        navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
-        [overlay_ addSubview:navbar_];
+            [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
 
-        [navbar_ setBarStyle:1];
-        [navbar_ setDelegate:self];
+            [webview_ setAllowsMessaging:YES];
 
-        UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:nil] autorelease];
-        [navbar_ pushNavigationItem:navitem];
+            [webview_ setTilingEnabled:YES];
+            [webview_ setDrawsGrid:NO];
+            [webview_ setLogsTilingChanges:NO];
+            [webview_ setTileMinificationFilter:kCAFilterNearest];
+            [webview_ setDetectsPhoneNumbers:NO];
+            [webview_ setAutoresizes:YES];
 
-        CGRect bounds = [overlay_ bounds];
-        CGSize prgsize = [UIProgressBar defaultSize];
+            [webview_ setViewportSize:CGSizeMake(980, -1) forDocumentTypes:0x10];
+            [webview_ setViewportSize:CGSizeMake(320, -1) forDocumentTypes:0x2];
+            [webview_ setViewportSize:CGSizeMake(320, -1) forDocumentTypes:0x8];
 
-        CGRect prgrect = {{
-            (bounds.size.width - prgsize.width) / 2,
-            bounds.size.height - prgsize.height - 20
-        }, prgsize};
+            [webview_ _setDocumentType:0x4];
 
-        progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
-        [overlay_ addSubview:progress_];
+            [webview_ setZoomsFocusedFormControl:YES];
+            [webview_ setContentsPosition:7];
+            [webview_ setEnabledGestures:0xa];
+            [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:0x4];
+            [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:0x7];
 
-        status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(
-            10,
-            bounds.size.height - prgsize.height - 50,
-            bounds.size.width - 20,
-            24
-        )];
+            [webview_ setSmoothsFonts:YES];
 
-        [status_ setColor:white];
-        [status_ setBackgroundColor:clear];
+            [webview _setUsesLoaderCache:YES];
+            [webview setGroupName:@"Cydia"];
+            //[webview _setLayoutInterval:0.5];
+        }
 
-        [status_ setCentersHorizontally:YES];
-        //[status_ setFont:font];
+        [webview_ setDelegate:self];
+        [webview_ setGestureDelegate:self];
+        [scroller_ addSubview:webview_];
 
-        output_ = [[UITextView alloc] initWithFrame:CGRectMake(
-            10,
-            navrect.size.height + 20,
-            bounds.size.width - 20,
-            bounds.size.height - navsize.height - 62 - navrect.size.height
-        )];
+        //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
 
-        //[output_ setTextFont:@"Courier New"];
-        [output_ setTextSize:12];
+        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
+        indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
+        [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
 
-        [output_ setTextColor:white];
-        [output_ setBackgroundColor:clear];
+        Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
+        NSString *application = package == nil ? @"Cydia" : [NSString
+            stringWithFormat:@"Cydia/%@",
+            [package installed]
+        ]; [webview setApplicationNameForUserAgent:application];
 
-        [output_ setMarginTop:0];
-        [output_ setAllowsRubberBanding:YES];
+        indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
 
-        [overlay_ addSubview:output_];
-        [overlay_ addSubview:status_];
+        [webview setFrameLoadDelegate:self];
+        [webview setResourceLoadDelegate:indirect_];
+        [webview setUIDelegate:self];
+        [webview setScriptDebugDelegate:self];
+        [webview setPolicyDelegate:self];
 
-        [progress_ setStyle:0];
+        urls_ = [[NSMutableArray alloc] initWithCapacity:16];
 
-        CGColorSpaceRelease(space);
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [pinstripe setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
-- (void) setContentView:(UIView *)view {
-    view_ = [view retain];
+- (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
+    [webview_ redrawScaledDocument];
 }
 
-- (void) resetView {
-    [transition_ transition:6 toView:view_];
+- (void) _rightButtonClicked {
+    reloading_ = true;
+    [self reloadURL];
 }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+- (NSString *) _rightButtonTitle {
+    return @"Reload";
 }
 
-- (void) _retachThread {
-    [delegate_ progressViewIsComplete:self];
-    [self resetView];
+- (NSString *) rightButtonTitle {
+    return loading_ ? @"" : [self _rightButtonTitle];
 }
 
-- (void) _detachNewThreadData:(ProgressData *)data {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    [[data target] performSelector:[data selector] withObject:[data object]];
-    [data release];
+- (NSString *) title {
+    return title_ == nil ? @"Loading" : title_;
+}
 
-    [self performSelectorOnMainThread:@selector(_retachThread) withObject:nil waitUntilDone:YES];
+- (NSString *) backButtonTitle {
+    return @"Browser";
+}
 
-    [pool release];
+- (void) setPageActive:(BOOL)active {
+    if (!active)
+        [indicator_ removeFromSuperview];
+    else
+        [[book_ navigationBar] addSubview:indicator_];
 }
 
-- (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title {
-    [navbar_ popNavigationItem];
-    UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:title] autorelease];
-    [navbar_ pushNavigationItem:navitem];
+- (void) resetViewAnimated:(BOOL)animated {
+}
 
-    [status_ setText:nil];
-    [output_ setText:@""];
-    [progress_ setProgress:0];
+- (void) setPushed:(bool)pushed {
+    pushed_ = pushed;
+}
 
-    [transition_ transition:6 toView:overlay_];
+@end
+/* }}} */
 
-    [NSThread
-        detachNewThreadSelector:@selector(_detachNewThreadData:)
-        toTarget:self
-        withObject:[[ProgressData alloc]
-            initWithSelector:selector
-            target:target
-            object:object
-        ]
-    ];
+/* Cydia Book {{{ */
+@interface CYBook : RVBook <
+    ProgressDelegate
+> {
+    _transient Database *database_;
+    UINavigationBar *overlay_;
+    UINavigationBar *underlay_;
+    UIProgressIndicator *indicator_;
+    UITextLabel *prompt_;
+    UIProgressBar *progress_;
+    UINavigationButton *cancel_;
+    bool updating_;
+    size_t received_;
+    NSTimeInterval last_;
 }
 
-- (void) setError:(NSString *)error {
-    [self
-        performSelectorOnMainThread:@selector(_setError:)
-        withObject:error
-        waitUntilDone:YES
-    ];
-}
+- (id) initWithFrame:(CGRect)frame database:(Database *)database;
+- (void) update;
+- (BOOL) updating;
 
-- (void) _setError:(NSString *)error {
-    UIAlertSheet *sheet = [[[UIAlertSheet alloc]
-        initWithTitle:@"Package Error"
-        buttons:[NSArray arrayWithObjects:@"Okay", nil]
-        defaultButtonIndex:0
-        delegate:self
-        context:self
-    ] autorelease];
+@end
 
-    [sheet setBodyText:error];
-    [sheet popupAlertAnimated:YES];
-}
+@implementation CYBook
 
-- (void) setTitle:(NSString *)title {
-    [self
-        performSelectorOnMainThread:@selector(_setTitle:)
-        withObject:title
-        waitUntilDone:YES
-    ];
+- (void) dealloc {
+    [overlay_ release];
+    [indicator_ release];
+    [prompt_ release];
+    [progress_ release];
+    [cancel_ release];
+    [super dealloc];
 }
 
-- (void) _setTitle:(NSString *)title {
-    [status_ setText:[title stringByAppendingString:@"..."]];
+- (NSString *) getTitleForPage:(RVPage *)page {
+    return Simplify([super getTitleForPage:page]);
 }
 
-- (void) setPercent:(float)percent {
-    [self
-        performSelectorOnMainThread:@selector(_setPercent:)
-        withObject:[NSNumber numberWithFloat:percent]
-        waitUntilDone:YES
-    ];
+- (BOOL) updating {
+    return updating_;
 }
 
-- (void) _setPercent:(NSNumber *)percent {
-    [progress_ setProgress:[percent floatValue]];
-}
+- (void) update {
+    [UIView beginAnimations:nil context:NULL];
 
-- (void) addOutput:(NSString *)output {
-    [self
-        performSelectorOnMainThread:@selector(_addOutput:)
-        withObject:output
-        waitUntilDone:YES
-    ];
-}
+    CGRect ovrframe = [overlay_ frame];
+    ovrframe.origin.y = 0;
+    [overlay_ setFrame:ovrframe];
 
-- (void) _addOutput:(NSString *)output {
-    [output_ setText:[NSString stringWithFormat:@"%@\n%@", [output_ text], output]];
-    CGSize size = [output_ contentSize];
-    CGRect rect = {{0, size.height}, {size.width, 0}};
-    [output_ scrollRectToVisible:rect animated:YES];
-}
+    CGRect barframe = [navbar_ frame];
+    barframe.origin.y += ovrframe.size.height;
+    [navbar_ setFrame:barframe];
 
-@end
-/* }}} */
+    CGRect trnframe = [transition_ frame];
+    trnframe.origin.y += ovrframe.size.height;
+    trnframe.size.height -= ovrframe.size.height;
+    [transition_ setFrame:trnframe];
 
-/* Package Table {{{ */
-@protocol PackageTableDelegate
-- (void) packageTable:(id)table packageSelected:(Package *)package;
-@end
+    [UIView endAnimations];
 
-@interface PackageTable : UIView {
-    SEL versioner_;
-    UISectionList *list_;
+    [indicator_ startAnimation];
+    [prompt_ setText:@"Updating Database"];
+    [progress_ setProgress:0];
 
-    id delegate_;
-    NSArray *packages_;
-    NSMutableArray *sections_;
+    received_ = 0;
+    last_ = [NSDate timeIntervalSinceReferenceDate];
+    updating_ = true;
+    [overlay_ addSubview:cancel_];
+
+    [NSThread
+        detachNewThreadSelector:@selector(_update)
+        toTarget:self
+        withObject:nil
+    ];
 }
 
-- (void) dealloc;
+- (void) _update_ {
+    updating_ = false;
 
-- (int) numberOfSectionsInSectionList:(UISectionList *)list;
-- (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section;
-- (int) sectionList:(UISectionList *)list rowForSection:(int)section;
+    [indicator_ stopAnimation];
 
-- (int) numberOfRowsInTable:(UITable *)table;
-- (float) table:(UITable *)table heightForRow:(int)row;
-- (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing;
-- (BOOL) table:(UITable *)table showDisclosureForRow:(int)row;
-- (void) tableRowSelected:(NSNotification *)notification;
+    [UIView beginAnimations:nil context:NULL];
 
-- (id) initWithFrame:(CGRect)frame versioner:(SEL)versioner;
+    CGRect ovrframe = [overlay_ frame];
+    ovrframe.origin.y = -ovrframe.size.height;
+    [overlay_ setFrame:ovrframe];
 
-- (void) setDelegate:(id)delegate;
-- (void) setPackages:(NSArray *)packages;
+    CGRect barframe = [navbar_ frame];
+    barframe.origin.y -= ovrframe.size.height;
+    [navbar_ setFrame:barframe];
 
-- (void) resetViewAnimated:(BOOL)animated;
-- (UITable *) table;
-@end
+    CGRect trnframe = [transition_ frame];
+    trnframe.origin.y -= ovrframe.size.height;
+    trnframe.size.height += ovrframe.size.height;
+    [transition_ setFrame:trnframe];
 
-@implementation PackageTable
+    [UIView commitAnimations];
 
-- (void) dealloc {
-    [list_ release];
-    [sections_ release];
-    if (packages_ != nil)
-        [packages_ release];
-    [super dealloc];
+    [delegate_ performSelector:@selector(reloadData) withObject:nil afterDelay:0];
 }
 
-- (int) numberOfSectionsInSectionList:(UISectionList *)list {
-    return [sections_ count];
-}
+- (id) initWithFrame:(CGRect)frame database:(Database *)database {
+    if ((self = [super initWithFrame:frame]) != nil) {
+        database_ = database;
 
-- (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section {
-    return [[sections_ objectAtIndex:section] name];
-}
+        CGRect ovrrect = [navbar_ bounds];
+        ovrrect.size.height = [UINavigationBar defaultSize].height;
+        ovrrect.origin.y = -ovrrect.size.height;
 
-- (int) sectionList:(UISectionList *)list rowForSection:(int)section {
-    return [[sections_ objectAtIndex:section] row];
-}
+        overlay_ = [[UINavigationBar alloc] initWithFrame:ovrrect];
+        [self addSubview:overlay_];
 
-- (int) numberOfRowsInTable:(UITable *)table {
-    return [packages_ count];
-}
+        ovrrect.origin.y = frame.size.height;
+        underlay_ = [[UINavigationBar alloc] initWithFrame:ovrrect];
+        [underlay_ setTintColor:[UIColor colorWithRed:0.23 green:0.23 blue:0.23 alpha:1]];
+        [self addSubview:underlay_];
 
-- (float) table:(UITable *)table heightForRow:(int)row {
-    return 64;
-}
+        [overlay_ setBarStyle:1];
+        [underlay_ setBarStyle:1];
 
-- (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
-    if (reusing == nil)
-        reusing = [[[PackageCell alloc] initWithVersioner:versioner_] autorelease];
-    [(PackageCell *)reusing setPackage:[packages_ objectAtIndex:row]];
-    return reusing;
-}
+        int barstyle = [overlay_ _barStyle:NO];
+        bool ugly = barstyle == 0;
 
-- (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
-    return NO;
-}
+        UIProgressIndicatorStyle style = ugly ?
+            UIProgressIndicatorStyleMediumBrown :
+            UIProgressIndicatorStyleMediumWhite;
 
-- (void) tableRowSelected:(NSNotification *)notification {
-    int row = [[notification object] selectedRow];
-    [delegate_ packageTable:self packageSelected:(row == INT_MAX ? nil : [packages_ objectAtIndex:row])];
-}
+        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:style];
+        unsigned indoffset = (ovrrect.size.height - indsize.height) / 2;
+        CGRect indrect = {{indoffset, indoffset}, indsize};
 
-- (id) initWithFrame:(CGRect)frame versioner:(SEL)versioner {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        versioner_ = versioner;
-        sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
+        indicator_ = [[UIProgressIndicator alloc] initWithFrame:indrect];
+        [indicator_ setStyle:style];
+        [overlay_ addSubview:indicator_];
 
-        list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:YES];
-        [list_ setDataSource:self];
+        CGSize prmsize = {215, indsize.height + 4};
 
-        UITableColumn *column = [[[UITableColumn alloc]
-            initWithTitle:@"Name"
-            identifier:@"name"
-            width:frame.size.width
-        ] autorelease];
+        CGRect prmrect = {{
+            indoffset * 2 + indsize.width,
+#ifdef __OBJC2__
+            -1 +
+#endif
+            unsigned(ovrrect.size.height - prmsize.height) / 2
+        }, prmsize};
 
-        UITable *table = [list_ table];
-        [table setSeparatorStyle:1];
-        [table addTableColumn:column];
-        [table setDelegate:self];
-        [table setReusesTableCells:YES];
+        UIFont *font = [UIFont systemFontOfSize:15];
 
-        [self addSubview:list_];
-    } return self;
-}
+        prompt_ = [[UITextLabel alloc] initWithFrame:prmrect];
 
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
-}
+        [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
+        [prompt_ setBackgroundColor:[UIColor clearColor]];
+        [prompt_ setFont:font];
 
-- (void) setPackages:(NSArray *)packages {
-    if (packages_ != nil)
-        [packages_ autorelease];
-    _assert(packages != nil);
-    packages_ = [packages retain];
+        [overlay_ addSubview:prompt_];
 
-    [sections_ removeAllObjects];
+        CGSize prgsize = {75, 100};
 
-    Section *section = nil;
+        CGRect prgrect = {{
+            ovrrect.size.width - prgsize.width - 10,
+            (ovrrect.size.height - prgsize.height) / 2
+        } , prgsize};
 
-    for (size_t offset(0); offset != [packages_ count]; ++offset) {
-        Package *package = [packages_ objectAtIndex:offset];
-        NSString *name = [package index];
+        progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
+        [progress_ setStyle:0];
+        [overlay_ addSubview:progress_];
 
-        if (section == nil || ![[section name] isEqual:name]) {
-            section = [[[Section alloc] initWithName:name row:offset] autorelease];
-            [sections_ addObject:section];
-        }
+        cancel_ = [[UINavigationButton alloc] initWithTitle:@"Cancel" style:UINavigationButtonStyleHighlighted];
+        [cancel_ addTarget:self action:@selector(_onCancel) forControlEvents:UIControlEventTouchUpInside];
 
-        [section addPackage:package];
-    }
+        CGRect frame = [cancel_ frame];
+        frame.size.width = 65;
+        frame.origin.x = ovrrect.size.width - frame.size.width - 5;
+        frame.origin.y = (ovrrect.size.height - frame.size.height) / 2;
+        [cancel_ setFrame:frame];
 
-    [list_ reloadData];
+        [cancel_ setBarStyle:barstyle];
+    } return self;
 }
 
-- (void) resetViewAnimated:(BOOL)animated {
-    [[list_ table] selectRow:-1 byExtendingSelection:NO withFade:animated];
+- (void) _onCancel {
+    updating_ = false;
+    [cancel_ removeFromSuperview];
 }
 
-- (UITable *) table {
-    return [list_ table];
+- (void) _update { _pooled
+    Status status;
+    status.setDelegate(self);
+
+    [database_ updateWithStatus:status];
+
+    [self
+        performSelectorOnMainThread:@selector(_update_)
+        withObject:nil
+        waitUntilDone:NO
+    ];
 }
 
-@end
-/* }}} */
+- (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
+    [prompt_ setText:[NSString stringWithFormat:@"Error: %@", error]];
+}
 
-/* Section Cell {{{ */
-@interface SectionCell : UITableCell {
-    UITextLabel *name_;
-    UITextLabel *count_;
+- (void) setProgressTitle:(NSString *)title {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressTitle:)
+        withObject:title
+        waitUntilDone:YES
+    ];
 }
 
-- (void) dealloc;
+- (void) setProgressPercent:(float)percent {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressPercent:)
+        withObject:[NSNumber numberWithFloat:percent]
+        waitUntilDone:YES
+    ];
+}
 
-- (id) init;
-- (void) setSection:(Section *)section;
+- (void) startProgress {
+}
+
+- (void) addProgressOutput:(NSString *)output {
+    [self
+        performSelectorOnMainThread:@selector(_addProgressOutput:)
+        withObject:output
+        waitUntilDone:YES
+    ];
+}
 
-- (void) _setSelected:(float)fraction;
-- (void) setSelected:(BOOL)selected;
-- (void) setSelected:(BOOL)selected withFade:(BOOL)fade;
-- (void) _setSelectionFadeFraction:(float)fraction;
+- (bool) isCancelling:(size_t)received {
+    NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
+    if (received_ != received) {
+        received_ = received;
+        last_ = now;
+    } else if (now - last_ > 15)
+        return true;
+    return !updating_;
+}
 
-@end
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    [sheet dismiss];
+}
 
-@implementation SectionCell
+- (void) _setProgressTitle:(NSString *)title {
+    [prompt_ setText:title];
+}
 
-- (void) dealloc {
-    [name_ release];
-    [count_ release];
-    [super dealloc];
+- (void) _setProgressPercent:(NSNumber *)percent {
+    [progress_ setProgress:[percent floatValue]];
 }
 
-- (id) init {
-    if ((self = [super init]) != nil) {
-        GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 22);
-        GSFontRef small = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 12);
+- (void) _addProgressOutput:(NSString *)output {
+}
 
-        CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
-        CGColor clear(space, 0, 0, 0, 0);
-        CGColor white(space, 1, 1, 1, 1);
+@end
+/* }}} */
+/* Cydia:// Protocol {{{ */
+@interface CydiaURLProtocol : NSURLProtocol {
+}
 
-        name_ = [[UITextLabel alloc] initWithFrame:CGRectMake(47, 9, 250, 25)];
-        [name_ setBackgroundColor:clear];
-        [name_ setFont:bold];
+@end
 
-        count_ = [[UITextLabel alloc] initWithFrame:CGRectMake(11, 7, 29, 32)];
-        [count_ setCentersHorizontally:YES];
-        [count_ setBackgroundColor:clear];
-        [count_ setFont:small];
-        [count_ setColor:white];
+@implementation CydiaURLProtocol
 
-        UIImageView *folder = [[[UIImageView alloc] initWithFrame:CGRectMake(8, 7, 32, 32)] autorelease];
-        [folder setImage:[UIImage applicationImageNamed:@"folder.png"]];
++ (BOOL) canInitWithRequest:(NSURLRequest *)request {
+    NSURL *url([request URL]);
+    if (url == nil)
+        return NO;
+    NSString *scheme([[url scheme] lowercaseString]);
+    if (scheme == nil || ![scheme isEqualToString:@"cydia"])
+        return NO;
+    return YES;
+}
 
-        [self addSubview:folder];
-        [self addSubview:name_];
-        [self addSubview:count_];
++ (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
+    return request;
+}
 
-        [self _setSelected:0];
+- (void) startLoading {
+    id<NSURLProtocolClient> client([self client]);
+    NSURLRequest *request([self request]);
 
-        CGColorSpaceRelease(space);
+    NSURL *url([request URL]);
+    NSString *href([url absoluteString]);
 
-        CFRelease(small);
-        CFRelease(bold);
-    } return self;
-}
+    NSString *path([href substringFromIndex:8]);
+    NSRange slash([path rangeOfString:@"/"]);
 
-- (void) setSection:(Section *)section {
-    if (section == nil) {
-        [name_ setText:@"All Packages"];
-        [count_ setText:nil];
+    NSString *command;
+    if (slash.location == NSNotFound) {
+        command = path;
+        path = nil;
     } else {
-        [name_ setText:[section name]];
-        [count_ setText:[NSString stringWithFormat:@"%d", [section count]]];
+        command = [path substringToIndex:slash.location];
+        path = [path substringFromIndex:(slash.location + 1)];
     }
-}
-
-- (void) _setSelected:(float)fraction {
-    CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
 
-    CGColor black(space,
-        interpolate(0.0, 1.0, fraction),
-        interpolate(0.0, 1.0, fraction),
-        interpolate(0.0, 1.0, fraction),
-    1.0);
+    Database *database([Database sharedInstance]);
 
-    [name_ setColor:black];
+    if ([command isEqualToString:@"package-icon"]) {
+        if (path == nil)
+            goto fail;
+        Package *package([database packageWithName:path]);
+        if (package == nil)
+            goto fail;
 
-    CGColorSpaceRelease(space);
-}
+        NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
 
-- (void) setSelected:(BOOL)selected {
-    [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected];
-}
+        UIImage *icon([package icon]);
+        NSData *data(UIImagePNGRepresentation(icon));
 
-- (void) setSelected:(BOOL)selected withFade:(BOOL)fade {
-    if (!fade)
-        [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected withFade:fade];
+        [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
+        [client URLProtocol:self didLoadData:data];
+        [client URLProtocolDidFinishLoading:self];
+    } else fail: {
+        [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
+    }
 }
 
-- (void) _setSelectionFadeFraction:(float)fraction {
-    [self _setSelected:fraction];
-    [super _setSelectionFadeFraction:fraction];
+- (void) stopLoading {
 }
 
 @end
 /* }}} */
+
 /* Install View {{{ */
-@interface InstallView : ResetView <
-    PackageTableDelegate
-> {
-    NSArray *sections_;
+@interface InstallView : RVPage {
+    _transient Database *database_;
+    NSMutableArray *sections_;
+    NSMutableArray *filtered_;
+    UITransitionView *transition_;
     UITable *list_;
-    PackageTable *table_;
-    PackageView *view_;
-    NSString *section_;
-    NSString *package_;
-    NSMutableArray *packages_;
+    UIView *accessory_;
+    BOOL editing_;
 }
 
-- (void) dealloc;
-
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button;
-
-- (int) numberOfRowsInTable:(UITable *)table;
-- (float) table:(UITable *)table heightForRow:(int)row;
-- (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing;
-- (BOOL) table:(UITable *)table showDisclosureForRow:(int)row;
-- (void) tableRowSelected:(NSNotification *)notification;
-
-- (void) packageTable:(id)table packageSelected:(Package *)package;
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+- (void) reloadData;
+- (void) resetView;
 
-- (id) initWithFrame:(CGRect)frame;
-- (void) setPackages:(NSArray *)packages;
-- (void) setDelegate:(id)delegate;
 @end
 
 @implementation InstallView
 
 - (void) dealloc {
-    [packages_ release];
-    if (sections_ != nil)
-        [sections_ release];
-    if (list_ != nil)
-        [list_ release];
-    if (table_ != nil)
-        [table_ release];
-    if (view_ != nil)
-        [view_ release];
-    if (section_ != nil)
-        [section_ release];
-    if (package_ != nil)
-        [package_ release];
-    [super dealloc];
-}
+    [list_ setDataSource:nil];
+    [list_ setDelegate:nil];
 
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
-    if (button == 0) {
-        [[view_ package] install];
-        [delegate_ resolve];
-        [delegate_ perform];
-    }
+    [sections_ release];
+    [filtered_ release];
+    [transition_ release];
+    [list_ release];
+    [accessory_ release];
+    [super dealloc];
 }
 
 - (int) numberOfRowsInTable:(UITable *)table {
-    return [sections_ count] + 1;
+    return editing_ ? [sections_ count] : [filtered_ count] + 1;
 }
 
 - (float) table:(UITable *)table heightForRow:(int)row {
@@ -2427,84 +5512,76 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
     if (reusing == nil)
         reusing = [[[SectionCell alloc] init] autorelease];
-    if (row == 0)
-        [(SectionCell *)reusing setSection:nil];
-    else
-        [(SectionCell *)reusing setSection:[sections_ objectAtIndex:(row - 1)]];
+    [(SectionCell *)reusing setSection:(editing_ ?
+        [sections_ objectAtIndex:row] :
+        (row == 0 ? nil : [filtered_ objectAtIndex:(row - 1)])
+    ) editing:editing_];
     return reusing;
 }
 
 - (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
-    return YES;
+    return !editing_;
+}
+
+- (BOOL) table:(UITable *)table canSelectRow:(int)row {
+    return !editing_;
 }
 
 - (void) tableRowSelected:(NSNotification *)notification {
     int row = [[notification object] selectedRow];
+    if (row == INT_MAX)
+        return;
 
-    if (row == INT_MAX) {
-        [section_ release];
-        section_ = nil;
+    Section *section;
+    NSString *name;
+    NSString *title;
 
-        [table_ release];
-        table_ = nil;
+    if (row == 0) {
+        section = nil;
+        name = nil;
+        title = @"All Packages";
     } else {
-        _assert(section_ == nil);
-        _assert(table_ == nil);
-
-        Section *section;
-        NSString *name;
+        section = [filtered_ objectAtIndex:(row - 1)];
+        name = [section name];
 
-        if (row == 0) {
-            section = nil;
-            section_ = nil;
-            name = @"All Packages";
-        } else {
-            section = [sections_ objectAtIndex:(row - 1)];
-            name = [section name];
-            section_ = [name retain];
+        if (name != nil)
+            title = name;
+        else {
+            name = @"";
+            title = @"(No Section)";
         }
-
-        table_ = [[PackageTable alloc] initWithFrame:[transition_ bounds] versioner:@selector(latest)];
-        [table_ setDelegate:self];
-        [table_ setPackages:(section == nil ? packages_ : [section packages])];
-
-        [self pushView:table_ withTitle:name backButtonTitle:@"Packages" rightButton:nil];
     }
-}
-
-- (void) packageTable:(id)table packageSelected:(Package *)package {
-    if (package == nil) {
-        [package_ release];
-        package_ = nil;
 
-        [view_ release];
-        view_ = nil;
-    } else {
-        _assert(package_ == nil);
-        _assert(view_ == nil);
+    PackageTable *table = [[[PackageTable alloc]
+        initWithBook:book_
+        database:database_
+        title:title
+        filter:@selector(isVisiblyUninstalledInSection:)
+        with:name
+    ] autorelease];
 
-        package_ = [[package name] retain];
+    [table setDelegate:delegate_];
 
-        view_ = [[PackageView alloc] initWithFrame:[transition_ bounds]];
-        [view_ setDelegate:delegate_];
+    [book_ pushPage:table];
+}
 
-        [view_ setPackage:package];
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
 
-        [self pushView:view_ withTitle:[package name] backButtonTitle:nil rightButton:@"Install"];
-    }
-}
+        sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
+        filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
 
-- (id) initWithFrame:(CGRect)frame {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
+        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
+        [self addSubview:transition_];
 
         list_ = [[UITable alloc] initWithFrame:[transition_ bounds]];
-        [self pushView:list_ withTitle:@"Install" backButtonTitle:@"Sections" rightButton:nil];
+        [transition_ transition:0 toView:list_];
 
         UITableColumn *column = [[[UITableColumn alloc]
             initWithTitle:@"Name"
             identifier:@"name"
-            width:frame.size.width
+            width:[self frame].size.width
         ] autorelease];
 
         [list_ setDataSource:self];
@@ -2513,122 +5590,130 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         [list_ setDelegate:self];
         [list_ setReusesTableCells:YES];
 
-        [transition_ transition:0 toView:list_];
+        [self reloadData];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
-- (void) setPackages:(NSArray *)packages {
-    [packages_ removeAllObjects];
+- (void) reloadData {
+    NSArray *packages = [database_ packages];
+
+    [sections_ removeAllObjects];
+    [filtered_ removeAllObjects];
 
+    NSMutableArray *filtered = [NSMutableArray arrayWithCapacity:[packages count]];
+    NSMutableDictionary *sections = [NSMutableDictionary dictionaryWithCapacity:32];
+
+    _trace();
     for (size_t i(0); i != [packages count]; ++i) {
         Package *package([packages objectAtIndex:i]);
-        if ([package installed] == nil)
-            [packages_ addObject:package];
+        NSString *name([package section]);
+
+        if (name != nil) {
+            Section *section([sections objectForKey:name]);
+            if (section == nil) {
+                section = [[[Section alloc] initWithName:name] autorelease];
+                [sections setObject:section forKey:name];
+            }
+        }
+
+        if ([package valid] && [package installed] == nil && [package visible])
+            [filtered addObject:package];
     }
+    _trace();
 
-    [packages_ sortUsingSelector:@selector(compareBySectionAndName:)];
-    NSMutableArray *sections = [NSMutableArray arrayWithCapacity:16];
+    [sections_ addObjectsFromArray:[sections allValues]];
+    [sections_ sortUsingSelector:@selector(compareByName:)];
 
-    Section *nsection = nil;
-    Package *npackage = nil;
+    _trace();
+    [filtered sortUsingSelector:@selector(compareBySection:)];
+    _trace();
 
     Section *section = nil;
-    for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
-        Package *package = [packages_ objectAtIndex:offset];
+    for (size_t offset = 0, count = [filtered count]; offset != count; ++offset) {
+        Package *package = [filtered objectAtIndex:offset];
         NSString *name = [package section];
 
-        if (section == nil || ![[section name] isEqual:name]) {
-            section = [[[Section alloc] initWithName:name row:offset] autorelease];
-
-            if ([name isEqualToString:section_])
-                nsection = section;
-            [sections addObject:section];
+        if (section == nil || name != nil && ![[section name] isEqualToString:name]) {
+            section = name == nil ?
+                [[[Section alloc] initWithName:nil] autorelease] :
+                [sections objectForKey:name];
+            [filtered_ addObject:section];
         }
 
-        if ([[package name] isEqualToString:package_])
-            npackage = package;
-        [section addPackage:package];
+        [section addToCount];
     }
+    _trace();
 
-    if (sections_ != nil)
-        [sections_ release];
-    sections_ = [sections retain];
+    [list_ reloadData];
+    _trace();
+}
 
-    [packages_ sortUsingSelector:@selector(compareByName:)];
+- (void) resetView {
+    if (editing_)
+        [self _rightButtonClicked];
+}
 
-    [list_ reloadData];
+- (void) resetViewAnimated:(BOOL)animated {
+    [list_ resetViewAnimated:animated];
+}
 
-    unsigned views(0);
+- (void) _rightButtonClicked {
+    if ((editing_ = !editing_))
+        [list_ reloadData];
+    else
+        [delegate_ updateData];
+    [book_ reloadTitleForPage:self];
+    [book_ reloadButtonsForPage:self];
+}
 
-    if (npackage != nil)
-        [view_ setPackage:npackage];
-    else if (package_ != nil)
-        ++views;
+- (NSString *) title {
+    return editing_ ? @"Section Visibility" : @"Install by Section";
+}
 
-    if (table_ != nil && section_ == nil) 
-        [table_ setPackages:packages_];
-    else if (nsection != nil)
-        [table_ setPackages:[nsection packages]];
-    else if (section_ != nil)
-        ++views;
+- (NSString *) backButtonTitle {
+    return @"Sections";
+}
 
-    if (views != 0)
-        [self popViews:views];
-    [self setPrompt];
+- (NSString *) rightButtonTitle {
+    return [sections_ count] == 0 ? nil : editing_ ? @"Done" : @"Edit";
 }
 
-- (void) setDelegate:(id)delegate {
-    if (view_ != nil)
-        [view_ setDelegate:delegate];
-    [super setDelegate:delegate];
+- (UINavigationButtonStyle) rightButtonStyle {
+    return editing_ ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
+}
+
+- (UIView *) accessoryView {
+    return accessory_;
 }
 
 @end
 /* }}} */
 /* Changes View {{{ */
-@interface ChangesView : ResetView <
-    PackageTableDelegate
-> {
-    UISectionList *list_;
+@interface ChangesView : RVPage {
+    _transient Database *database_;
     NSMutableArray *packages_;
     NSMutableArray *sections_;
-    PackageView *view_;
-    NSString *package_;
-    size_t count_;
+    UISectionList *list_;
+    unsigned upgrades_;
 }
 
-- (void) dealloc;
-
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button;
-
-- (int) numberOfSectionsInSectionList:(UISectionList *)list;
-- (NSString *) sectionList:(UISectionList *)list titleForSection:(int)section;
-- (int) sectionList:(UISectionList *)list rowForSection:(int)section;
-
-- (int) numberOfRowsInTable:(UITable *)table;
-- (float) table:(UITable *)table heightForRow:(int)row;
-- (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing;
-- (BOOL) table:(UITable *)table showDisclosureForRow:(int)row;
-- (void) tableRowSelected:(NSNotification *)notification;
-
-- (id) initWithFrame:(CGRect)frame;
-- (void) setPackages:(NSArray *)packages;
-- (void) _resetView;
-- (size_t) count;
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+- (void) reloadData;
 
-- (void) setDelegate:(id)delegate;
 @end
 
 @implementation ChangesView
 
 - (void) dealloc {
-    [list_ release];
+    [[list_ table] setDelegate:nil];
+    [list_ setDataSource:nil];
+
     [packages_ release];
     [sections_ release];
-    if (view_ != nil)
-        [view_ release];
-    if (package_ != nil)
-        [package_ release];
+    [list_ release];
     [super dealloc];
 }
 
@@ -2649,12 +5734,12 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 }
 
 - (float) table:(UITable *)table heightForRow:(int)row {
-    return 64;
+    return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
 }
 
 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
     if (reusing == nil)
-        reusing = [[[PackageCell alloc] initWithVersioner:NULL] autorelease];
+        reusing = [[[PackageCell alloc] init] autorelease];
     [(PackageCell *)reusing setPackage:[packages_ objectAtIndex:row]];
     return reusing;
 }
@@ -2665,53 +5750,34 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 
 - (void) tableRowSelected:(NSNotification *)notification {
     int row = [[notification object] selectedRow];
-    [self packageTable:self packageSelected:(row == INT_MAX ? nil : [packages_ objectAtIndex:row])];
+    if (row == INT_MAX)
+        return;
+    Package *package = [packages_ objectAtIndex:row];
+    PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
+    [view setDelegate:delegate_];
+    [view setPackage:package];
+    [book_ pushPage:view];
 }
 
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
-    switch (button) {
-        case 0:
-            [[view_ package] install];
-            [delegate_ resolve];
-            [delegate_ perform];
-        break;
-
-        case 1:
-            [delegate_ upgrade];
-        break;
-    }
+- (void) _leftButtonClicked {
+    [(CYBook *)book_ update];
+    [self reloadButtons];
 }
 
-- (void) packageTable:(id)table packageSelected:(Package *)package {
-    if (package == nil) {
-        [package_ release];
-        package_ = nil;
-
-        [view_ release];
-        view_ = nil;
-    } else {
-        _assert(package_ == nil);
-        _assert(view_ == nil);
-
-        package_ = [[package name] retain];
-
-        view_ = [[PackageView alloc] initWithFrame:[transition_ bounds]];
-        [view_ setDelegate:delegate_];
-
-        [view_ setPackage:package];
-
-        [self pushView:view_ withTitle:[package name] backButtonTitle:nil rightButton:(
-            [package upgradable] ? @"Upgrade" : @"Install"
-        )];
-    }
+- (void) _rightButtonClicked {
+    [delegate_ distUpgrade];
 }
 
-- (id) initWithFrame:(CGRect)frame {
-    if ((self = [super initWithFrame:frame]) != nil) {
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+
         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
 
-        list_ = [[UISectionList alloc] initWithFrame:[transition_ bounds] showSectionIndex:NO];
+        list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:NO];
+        [self addSubview:list_];
+
         [list_ setShouldHideHeaderInShortLists:NO];
         [list_ setDataSource:self];
         //[list_ setSectionListStyle:1];
@@ -2719,7 +5785,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         UITableColumn *column = [[[UITableColumn alloc]
             initWithTitle:@"Name"
             identifier:@"name"
-            width:frame.size.width
+            width:[self frame].size.width
         ] autorelease];
 
         UITable *table = [list_ table];
@@ -2728,400 +5794,595 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         [table setDelegate:self];
         [table setReusesTableCells:YES];
 
-        [self pushView:list_ withTitle:@"Changes" backButtonTitle:nil rightButton:nil];
+        [self reloadData];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
-- (void) setPackages:(NSArray *)packages {
+- (void) reloadData {
+    NSArray *packages = [database_ packages];
+
     [packages_ removeAllObjects];
+    [sections_ removeAllObjects];
+
+    _trace();
     for (size_t i(0); i != [packages count]; ++i) {
         Package *package([packages objectAtIndex:i]);
-        if ([package installed] == nil || [package upgradable])
+
+        if (
+            [package installed] == nil && [package valid] && [package visible] ||
+            [package upgradableAndEssential:NO]
+        )
             [packages_ addObject:package];
     }
 
-    [packages_ sortUsingSelector:@selector(compareForChanges:)];
-
-    [sections_ removeAllObjects];
+    _trace();
+    [packages_ radixUsingSelector:@selector(compareForChanges) withObject:nil];
+    _trace();
 
-    Section *upgradable = [[[Section alloc] initWithName:@"Available Upgrades" row:0] autorelease];
+    Section *upgradable = [[[Section alloc] initWithName:@"Available Upgrades"] autorelease];
+    Section *ignored = [[[Section alloc] initWithName:@"Ignored Upgrades"] autorelease];
     Section *section = nil;
+    NSDate *last = nil;
 
-    count_ = 0;
-    Package *npackage = nil;
+    upgrades_ = 0;
+    bool unseens = false;
+
+    CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
+
+    _trace();
     for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
         Package *package = [packages_ objectAtIndex:offset];
-        if ([[package name] isEqualToString:package_])
-            npackage = package;
 
-        if ([package upgradable])
-            [upgradable addPackage:package];
-        else {
+        if (![package upgradableAndEssential:YES]) {
+            unseens = true;
             NSDate *seen = [package seen];
 
-            CFLocaleRef locale = CFLocaleCopyCurrent();
-            CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, locale, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
-            CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) seen);
-
-            NSString *name = (NSString *) formatted;
+            if (section == nil || last != seen && (seen == nil || [seen compare:last] != NSOrderedSame)) {
+                last = seen;
 
-            if (section == nil || ![[section name] isEqual:name]) {
+                NSString *name(seen == nil ? [@"n/a ?" retain] : (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) seen));
                 section = [[[Section alloc] initWithName:name row:offset] autorelease];
                 [sections_ addObject:section];
+                [name release];
             }
 
-            [section addPackage:package];
-
-            CFRelease(formatter);
-            CFRelease(formatted);
-            CFRelease(locale);
+            [section addToCount];
+        } else if ([package ignored])
+            [ignored addToCount];
+        else {
+            ++upgrades_;
+            [upgradable addToCount];
         }
     }
+    _trace();
+
+    CFRelease(formatter);
+
+    if (unseens) {
+        Section *last = [sections_ lastObject];
+        size_t count = [last count];
+        [packages_ removeObjectsInRange:NSMakeRange([packages_ count] - count, count)];
+        [sections_ removeLastObject];
+    }
 
-    count_ = [[upgradable packages] count];
-    if (count_ != 0)
+    if ([ignored count] != 0)
+        [sections_ insertObject:ignored atIndex:0];
+    if (upgrades_ != 0)
         [sections_ insertObject:upgradable atIndex:0];
 
     [list_ reloadData];
+    [self reloadButtons];
+}
+
+- (void) resetViewAnimated:(BOOL)animated {
+    [list_ resetViewAnimated:animated];
+}
+
+- (NSString *) leftButtonTitle {
+    return [(CYBook *)book_ updating] ? nil : @"Refresh";
+}
+
+- (NSString *) rightButtonTitle {
+    return upgrades_ == 0 ? nil : [NSString stringWithFormat:@"Upgrade (%u)", upgrades_];
+}
+
+- (NSString *) title {
+    return @"Changes";
+}
+
+@end
+/* }}} */
+/* Search View {{{ */
+@protocol SearchViewDelegate
+- (void) showKeyboard:(BOOL)show;
+@end
+
+@interface SearchView : RVPage {
+    UIView *accessory_;
+    UISearchField *field_;
+    UITransitionView *transition_;
+    PackageTable *table_;
+    UIPreferencesTable *advanced_;
+    UIView *dimmed_;
+    bool flipped_;
+    bool reload_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+- (void) reloadData;
+
+@end
+
+@implementation SearchView
+
+- (void) dealloc {
+    [field_ setDelegate:nil];
+
+    [accessory_ release];
+    [field_ release];
+    [transition_ release];
+    [table_ release];
+    [advanced_ release];
+    [dimmed_ release];
+    [super dealloc];
+}
+
+- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
+    return 1;
+}
+
+- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
+    switch (group) {
+        case 0: return @"Advanced Search (Coming Soon!)";
+
+        default: _assert(false);
+    }
+}
+
+- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
+    switch (group) {
+        case 0: return 0;
+
+        default: _assert(false);
+    }
+}
+
+- (void) _showKeyboard:(BOOL)show {
+    CGSize keysize = [UIKeyboard defaultSize];
+    CGRect keydown = [book_ pageBounds];
+    CGRect keyup = keydown;
+    keyup.size.height -= keysize.height - ButtonBarHeight_;
+
+    float delay = KeyboardTime_ * ButtonBarHeight_ / keysize.height;
 
-    if (npackage != nil)
-        [view_ setPackage:npackage];
-    else if (package_ != nil)
-        [self popViews:1];
+    UIFrameAnimation *animation = [[[UIFrameAnimation alloc] initWithTarget:[table_ list]] autorelease];
+    [animation setSignificantRectFields:8];
 
-    [self _resetView];
-    [self setPrompt];
+    if (show) {
+        [animation setStartFrame:keydown];
+        [animation setEndFrame:keyup];
+    } else {
+        [animation setStartFrame:keyup];
+        [animation setEndFrame:keydown];
+    }
+
+    UIAnimator *animator = [UIAnimator sharedAnimator];
+
+    [animator
+        addAnimations:[NSArray arrayWithObjects:animation, nil]
+        withDuration:(KeyboardTime_ - delay)
+        start:!show
+    ];
+
+    if (show)
+        [animator performSelector:@selector(startAnimation:) withObject:animation afterDelay:delay];
+
+    [delegate_ showKeyboard:show];
+}
+
+- (void) textFieldDidBecomeFirstResponder:(UITextField *)field {
+    [self _showKeyboard:YES];
+}
+
+- (void) textFieldDidResignFirstResponder:(UITextField *)field {
+    [self _showKeyboard:NO];
+}
+
+- (void) keyboardInputChanged:(UIFieldEditor *)editor {
+    if (reload_) {
+        NSString *text([field_ text]);
+        [field_ setClearButtonStyle:(text == nil || [text length] == 0 ? 0 : 2)];
+        [self reloadData];
+        reload_ = false;
+    }
+}
+
+- (void) textFieldClearButtonPressed:(UITextField *)field {
+    reload_ = true;
+}
+
+- (void) keyboardInputShouldDelete:(id)input {
+    reload_ = true;
+}
+
+- (BOOL) keyboardInput:(id)input shouldInsertText:(NSString *)text isMarkedText:(int)marked {
+    if ([text length] != 1 || [text characterAtIndex:0] != '\n') {
+        reload_ = true;
+        return YES;
+    } else {
+        [field_ resignFirstResponder];
+        return NO;
+    }
 }
 
-- (void) _resetView {
-    if ([views_ count] == 1)
-        [navbar_ showButtonsWithLeftTitle:(count_ == 0 ? nil : @"Upgrade All") rightTitle:nil];
-}
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        CGRect pageBounds = [book_ pageBounds];
+
+        /*UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:pageBounds] autorelease];
+        [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
+        [self addSubview:pinstripe];*/
+
+        transition_ = [[UITransitionView alloc] initWithFrame:pageBounds];
+        [self addSubview:transition_];
+
+        advanced_ = [[UIPreferencesTable alloc] initWithFrame:pageBounds];
 
-- (size_t) count {
-    return count_;
-}
+        [advanced_ setReusesTableCells:YES];
+        [advanced_ setDataSource:self];
+        [advanced_ reloadData];
 
-- (void) setDelegate:(id)delegate {
-    if (view_ != nil)
-        [view_ setDelegate:delegate];
-    [super setDelegate:delegate];
-}
+        dimmed_ = [[UIView alloc] initWithFrame:pageBounds];
+        CGColor dimmed(space_, 0, 0, 0, 0.5);
+        [dimmed_ setBackgroundColor:[UIColor colorWithCGColor:dimmed]];
 
-@end
-/* }}} */
-/* Manage View {{{ */
-@interface ManageView : ResetView <
-    PackageTableDelegate
-> {
-    PackageTable *table_;
-    PackageView *view_;
-    NSString *package_;
-}
+        table_ = [[PackageTable alloc]
+            initWithBook:book
+            database:database
+            title:nil
+            filter:@selector(isUnfilteredAndSearchedForBy:)
+            with:nil
+        ];
 
-- (void) dealloc;
+        [table_ setShouldHideHeaderInShortLists:NO];
+        [transition_ transition:0 toView:table_];
 
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button;
+        CGRect cnfrect = {{
+#ifdef __OBJC2__
+        6 +
+#endif
+        1, 38}, {17, 18}};
 
-- (void) packageTable:(id)table packageSelected:(Package *)package;
+        CGRect area;
+        area.origin.x = /*cnfrect.origin.x + cnfrect.size.width + 4 +*/ 10;
+        area.origin.y = 1;
 
-- (id) initWithFrame:(CGRect)frame;
-- (void) setPackages:(NSArray *)packages;
+        area.size.width =
+#ifdef __OBJC2__
+            8 +
+#endif
+            [self bounds].size.width - area.origin.x - 18;
 
-- (void) setDelegate:(id)delegate;
-@end
+        area.size.height = [UISearchField defaultHeight];
 
-@implementation ManageView
+        field_ = [[UISearchField alloc] initWithFrame:area];
 
-- (void) dealloc {
-    [table_ release];
-    if (view_ != nil)
-        [view_ release];
-    if (package_ != nil)
-        [package_ release];
-    [super dealloc];
-}
+        UIFont *font = [UIFont systemFontOfSize:16];
+        [field_ setFont:font];
 
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
-    if (button == 0) {
-        [[view_ package] remove];
-        [delegate_ resolve];
-        [delegate_ perform];
-    }
-}
+        [field_ setPlaceholder:@"Package Names & Descriptions"];
+        [field_ setDelegate:self];
 
-- (void) packageTable:(id)table packageSelected:(Package *)package {
-    if (package == nil) {
-        [package_ release];
-        package_ = nil;
+        [field_ setPaddingTop:5];
 
-        [view_ release];
-        view_ = nil;
-    } else {
-        _assert(package_ == nil);
-        _assert(view_ == nil);
+        UITextInputTraits *traits = [field_ textInputTraits];
+        [traits setAutocapitalizationType:0];
+        [traits setAutocorrectionType:1];
+        [traits setReturnKeyType:6];
 
-        package_ = [[package name] retain];
+        CGRect accrect = {{0, 6}, {6 + cnfrect.size.width + 6 + area.size.width + 6, area.size.height}};
 
-        view_ = [[PackageView alloc] initWithFrame:[transition_ bounds]];
-        [view_ setDelegate:delegate_];
+        accessory_ = [[UIView alloc] initWithFrame:accrect];
+        [accessory_ addSubview:field_];
 
-        [view_ setPackage:package];
+        /*UIPushButton *configure = [[[UIPushButton alloc] initWithFrame:cnfrect] autorelease];
+        [configure setShowPressFeedback:YES];
+        [configure setImage:[UIImage applicationImageNamed:@"advanced.png"]];
+        [configure addTarget:self action:@selector(configurePushed) forEvents:1];
+        [accessory_ addSubview:configure];*/
 
-        [self pushView:view_ withTitle:[package name] backButtonTitle:nil rightButton:@"Uninstall"];
-    }
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [table_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+    } return self;
 }
 
-- (id) initWithFrame:(CGRect)frame {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        table_ = [[PackageTable alloc] initWithFrame:[transition_ bounds] versioner:@selector(latest)];
-        [table_ setDelegate:self];
+- (void) flipPage {
+#ifndef __OBJC2__
+    LKAnimation *animation = [LKTransition animation];
+    [animation setType:@"oglFlip"];
+    [animation setTimingFunction:[LKTimingFunction functionWithName:@"easeInEaseOut"]];
+    [animation setFillMode:@"extended"];
+    [animation setTransitionFlags:3];
+    [animation setDuration:10];
+    [animation setSpeed:0.35];
+    [animation setSubtype:(flipped_ ? @"fromLeft" : @"fromRight")];
+    [[transition_ _layer] addAnimation:animation forKey:0];
+    [transition_ transition:0 toView:(flipped_ ? (UIView *) table_ : (UIView *) advanced_)];
+    flipped_ = !flipped_;
+#endif
+}
 
-        [self pushView:table_ withTitle:@"Uninstall" backButtonTitle:@"Packages" rightButton:nil];
-    } return self;
+- (void) configurePushed {
+    [field_ resignFirstResponder];
+    [self flipPage];
 }
 
-- (void) setPackages:(NSArray *)packages {
-    NSMutableArray *local = [NSMutableArray arrayWithCapacity:16];
-    for (size_t i(0); i != [packages count]; ++i) {
-        Package *package([packages objectAtIndex:i]);
-        if ([package installed] != nil)
-            [local addObject:package];
-    }
+- (void) resetViewAnimated:(BOOL)animated {
+    if (flipped_)
+        [self flipPage];
+    [table_ resetViewAnimated:animated];
+}
 
-    [local sortUsingSelector:@selector(compareByName:)];
+- (void) _reloadData {
+}
 
-    Package *npackage = nil;
-    for (size_t offset = 0, count = [local count]; offset != count; ++offset) {
-        Package *package = [local objectAtIndex:offset];
-        if ([[package name] isEqualToString:package_])
-            npackage = package;
-    }
+- (void) reloadData {
+    if (flipped_)
+        [self flipPage];
+    [table_ setObject:[field_ text]];
+    [table_ reloadData];
+    [table_ resetCursor];
+}
 
-    [table_ setPackages:local];
+- (UIView *) accessoryView {
+    return accessory_;
+}
 
-    if (npackage != nil)
-        [view_ setPackage:npackage];
-    else if (package_ != nil)
-        [self popViews:1];
+- (NSString *) title {
+    return nil;
+}
 
-    [self setPrompt];
+- (NSString *) backButtonTitle {
+    return @"Search";
 }
 
 - (void) setDelegate:(id)delegate {
-    if (view_ != nil)
-        [view_ setDelegate:delegate];
+    [table_ setDelegate:delegate];
     [super setDelegate:delegate];
 }
 
 @end
 /* }}} */
-/* Search View {{{ */
-@protocol SearchViewDelegate
-- (void) showKeyboard:(BOOL)show;
-@end
 
-@interface SearchView : ResetView <
-    PackageTableDelegate
-> {
-    NSMutableArray *packages_;
-    UIView *accessory_;
-    UISearchField *field_;
-    PackageTable *table_;
-    PackageView *view_;
-    NSString *package_;
+@interface SettingsView : RVPage {
+    _transient Database *database_;
+    NSString *name_;
+    Package *package_;
+    UIPreferencesTable *table_;
+    _UISwitchSlider *subscribedSwitch_;
+    _UISwitchSlider *ignoredSwitch_;
+    UIPreferencesControlTableCell *subscribedCell_;
+    UIPreferencesControlTableCell *ignoredCell_;
 }
 
-- (void) dealloc;
-
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button;
-- (void) packageTable:(id)table packageSelected:(Package *)package;
-
-- (void) textFieldDidBecomeFirstResponder:(UITextField *)field;
-- (void) textFieldDidResignFirstResponder:(UITextField *)field;
-
-- (void) keyboardInputChanged:(UIFieldEditor *)editor;
-- (BOOL) keyboardInput:(id)input shouldInsertText:(NSString *)text isMarkedText:(int)marked;
-
-- (id) initWithFrame:(CGRect)frame;
-- (void) setPackages:(NSArray *)packages;
-
-- (void) setDelegate:(id)delegate;
-- (void) resetPackage:(Package *)package;
-- (void) searchPackages;
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package;
 
 @end
 
-@implementation SearchView
+@implementation SettingsView
 
 - (void) dealloc {
-    [packages_ release];
-    [accessory_ release];
-    [field_ release];
-    [table_ release];
-    if (view_ != nil)
-        [view_ release];
+    [table_ setDataSource:nil];
+
+    [name_ release];
     if (package_ != nil)
         [package_ release];
+    [table_ release];
+    [subscribedSwitch_ release];
+    [ignoredSwitch_ release];
+    [subscribedCell_ release];
+    [ignoredCell_ release];
     [super dealloc];
 }
 
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
-    if (button == 0) {
-        Package *package = [view_ package];
-        if ([package installed] == nil)
-            [package install];
-        else
-            [package remove];
-        [delegate_ resolve];
-        [delegate_ perform];
+- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
+    if (package_ == nil)
+        return 0;
+
+    return 2;
+}
+
+- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
+    if (package_ == nil)
+        return nil;
+
+    switch (group) {
+        case 0: return nil;
+        case 1: return nil;
+
+        default: _assert(false);
     }
+
+    return nil;
 }
 
-- (void) packageTable:(id)table packageSelected:(Package *)package {
-    if (package == nil) {
-        [navbar_ setAccessoryView:accessory_ animate:(resetting_ ? NO : YES) goingBack:YES];
+- (BOOL) preferencesTable:(UIPreferencesTable *)table isLabelGroup:(int)group {
+    if (package_ == nil)
+        return NO;
 
-        [package_ release];
-        package_ = nil;
+    switch (group) {
+        case 0: return NO;
+        case 1: return YES;
 
-        [view_ release];
-        view_ = nil;
-    } else {
-        [navbar_ setAccessoryView:nil animate:YES goingBack:NO];
+        default: _assert(false);
+    }
 
-        _assert(package_ == nil);
-        _assert(view_ == nil);
+    return NO;
+}
 
-        package_ = [[package name] retain];
+- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
+    if (package_ == nil)
+        return 0;
 
-        view_ = [[PackageView alloc] initWithFrame:[transition_ bounds]];
-        [view_ setDelegate:delegate_];
+    switch (group) {
+        case 0: return 1;
+        case 1: return 1;
 
-        [self pushView:view_ withTitle:[package name] backButtonTitle:nil rightButton:nil];
-        [self resetPackage:package];
+        default: _assert(false);
     }
+
+    return 0;
 }
 
-- (void) textFieldDidBecomeFirstResponder:(UITextField *)field {
-    [delegate_ showKeyboard:YES];
-    [table_ setEnabled:NO];
+- (void) onSomething:(UIPreferencesControlTableCell *)cell withKey:(NSString *)key {
+    if (package_ == nil)
+        return;
+
+    _UISwitchSlider *slider([cell control]);
+    // XXX: this is just weird
+    BOOL value([slider value] != 0);
+    NSMutableDictionary *metadata([package_ metadata]);
 
-    /*CGColorSpaceRef space = CGColorSpaceCreateDeviceRGB();
-    CGColor dimmed(alpha, 0, 0, 0, 0.5);
-    [editor_ setBackgroundColor:dimmed];
-    CGColorSpaceRelease(space);*/
+    BOOL before;
+    if (NSNumber *number = [metadata objectForKey:key])
+        before = [number boolValue];
+    else
+        before = NO;
+    NSLog(@"%@:%@ %@:%@ : %u:%u", cell, slider, name_, key, value, before);
+
+    if (value != before) {
+        [metadata setObject:[NSNumber numberWithBool:value] forKey:key];
+        Changed_ = true;
+        //[delegate_ performSelector:@selector(updateData) withObject:nil afterDelay:0];
+        [delegate_ updateData];
+    }
 }
 
-- (void) textFieldDidResignFirstResponder:(UITextField *)field {
-    [table_ setEnabled:YES];
-    [delegate_ showKeyboard:NO];
+- (void) onSubscribed:(UIPreferencesControlTableCell *)cell {
+    [self onSomething:cell withKey:@"IsSubscribed"];
 }
 
-- (void) keyboardInputChanged:(UIFieldEditor *)editor {
-    NSString *text([field_ text]);
-    [field_ setClearButtonStyle:(text == nil || [text length] == 0 ? 0 : 2)];
+- (void) onIgnored:(UIPreferencesControlTableCell *)cell {
+    [self onSomething:cell withKey:@"IsIgnored"];
 }
 
-- (BOOL) keyboardInput:(id)input shouldInsertText:(NSString *)text isMarkedText:(int)marked {
-    if ([text length] != 1 || [text characterAtIndex:0] != '\n')
-        return YES;
+- (id) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
+    if (package_ == nil)
+        return nil;
 
-    [self searchPackages];
-    [field_ resignFirstResponder];
-    return NO;
-}
+    switch (group) {
+        case 0: switch (row) {
+            case 0:
+                return subscribedCell_;
+            case 1:
+                return ignoredCell_;
+            default: _assert(false);
+        } break;
 
-- (id) initWithFrame:(CGRect)frame {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
+        case 1: switch (row) {
+            case 0: {
+                UIPreferencesControlTableCell *cell([[[UIPreferencesControlTableCell alloc] init] autorelease]);
+                [cell setTitle:@"Changes only shows upgrades to installed packages. This minimizes spam from packagers. Activate this to see upgrades to this package even when it is not installed."];
+                return cell;
+            }
 
-        table_ = [[PackageTable alloc] initWithFrame:[transition_ bounds] versioner:@selector(latest)];
-        [table_ setDelegate:self];
+            default: _assert(false);
+        } break;
 
-        CGRect area = [self bounds];
-        area.origin.y = 30;
-        area.origin.x = 0;
-        area.size.width -= 12;
-        area.size.height = [UISearchField defaultHeight];
+        default: _assert(false);
+    }
 
-        field_ = [[UISearchField alloc] initWithFrame:area];
+    return nil;
+}
 
-        GSFontRef font = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 16);
-        [field_ setFont:font];
-        CFRelease(font);
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package {
+    if ((self = [super initWithBook:book])) {
+        database_ = database;
+        name_ = [package retain];
 
-        [field_ setPlaceholder:@"Package Names & Descriptions"];
-        [field_ setPaddingTop:5];
-        [field_ setDelegate:self];
+        table_ = [[UIPreferencesTable alloc] initWithFrame:[self bounds]];
+        [self addSubview:table_];
 
-        UITextTraits *traits = [field_ textTraits];
-        [traits setEditingDelegate:self];
-        [traits setReturnKeyType:6];
+        subscribedSwitch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(200, 10, 50, 20)];
+        [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:kUIControlEventMouseUpInside];
 
-        accessory_ = [[UIView alloc] initWithFrame:CGRectMake(6, 6, area.size.width, area.size.height + 30)];
-        [accessory_ addSubview:field_];
+        ignoredSwitch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(200, 10, 50, 20)];
+        [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:kUIControlEventMouseUpInside];
 
-        [navbar_ setAccessoryView:accessory_];
-        [self pushView:table_ withTitle:nil backButtonTitle:@"Search" rightButton:nil];
+        subscribedCell_ = [[UIPreferencesControlTableCell alloc] init];
+        [subscribedCell_ setTitle:@"Show All Changes"];
+        [subscribedCell_ setControl:subscribedSwitch_];
 
-        /* XXX: for the love of god just fix this */
-        [navbar_ removeFromSuperview];
-        [reload_ removeFromSuperview];
-        [configure_ removeFromSuperview];
-        [self addSubview:navbar_];
-        [self addSubview:reload_];
-        [self addSubview:configure_];
+        ignoredCell_ = [[UIPreferencesControlTableCell alloc] init];
+        [ignoredCell_ setTitle:@"Ignore Upgrades"];
+        [ignoredCell_ setControl:ignoredSwitch_];
+
+        [table_ setDataSource:self];
+        [self reloadData];
     } return self;
 }
 
-- (void) setPackages:(NSArray *)packages {
-    [packages_ removeAllObjects];
-    [packages_ addObjectsFromArray:packages];
-    [packages_ sortUsingSelector:@selector(compareByName:)];
+- (void) resetViewAnimated:(BOOL)animated {
+    [table_ resetViewAnimated:animated];
+}
 
-    Package *npackage = nil;
-    for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
-        Package *package = [packages_ objectAtIndex:offset];
-        if ([[package name] isEqualToString:package_])
-            npackage = package;
+- (void) reloadData {
+    if (package_ != nil)
+        [package_ autorelease];
+    package_ = [database_ packageWithName:name_];
+    if (package_ != nil) {
+        [package_ retain];
+        [subscribedSwitch_ setValue:([package_ subscribed] ? 1 : 0) animated:NO];
+        [ignoredSwitch_ setValue:([package_ ignored] ? 1 : 0) animated:NO];
     }
 
-    [self searchPackages];
-
-    if (npackage != nil)
-        [self resetPackage:npackage];
-    else if (package_ != nil)
-        [self popViews:1];
+    [table_ reloadData];
+}
 
-    [self setPrompt];
+- (NSString *) title {
+    return @"Settings";
 }
 
-- (void) setDelegate:(id)delegate {
-    if (view_ != nil)
-        [view_ setDelegate:delegate];
-    [super setDelegate:delegate];
+@end
+
+/* Signature View {{{ */
+@interface SignatureView : BrowserView {
+    _transient Database *database_;
+    NSString *package_;
 }
 
-- (void) resetPackage:(Package *)package {
-    [view_ setPackage:package];
-    NSString *right = [package installed] == nil ? @"Install" : @"Uninstall";
-    [navbar_ showButtonsWithLeftTitle:nil rightTitle:right];
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package;
+
+@end
+
+@implementation SignatureView
+
+- (void) dealloc {
+    [package_ release];
+    [super dealloc];
 }
 
-- (void) searchPackages {
-    NSString *text([field_ text]);
+- (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
+    // XXX: dude!
+    [super webView:sender didClearWindowObject:window forFrame:frame];
+}
 
-    NSMutableArray *packages([NSMutableArray arrayWithCapacity:16]);
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+        package_ = [package retain];
+        [self reloadData];
+    } return self;
+}
 
-    for (size_t offset(0), count([packages_ count]); offset != count; ++offset) {
-        Package *package = [packages_ objectAtIndex:offset];
-        if ([package matches:text])
-            [packages addObject:package];
-    }
+- (void) resetViewAnimated:(BOOL)animated {
+}
 
-    [table_ setPackages:packages];
-    [[table_ table] scrollPointVisibleAtTopLeft:CGPointMake(0, 0) animated:NO];
+- (void) reloadData {
+    [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"signature" ofType:@"html"]]];
 }
 
 @end
@@ -3130,103 +6391,104 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 @interface Cydia : UIApplication <
     ConfirmationViewDelegate,
     ProgressViewDelegate,
-    SearchViewDelegate
+    SearchViewDelegate,
+    CydiaDelegate
 > {
     UIWindow *window_;
+
     UIView *underlay_;
     UIView *overlay_;
-    UITransitionView *transition_;
-    UIButtonBar *buttonbar_;
+    CYBook *book_;
+    UIToolbar *buttonbar_;
+
+    RVBook *confirm_;
 
-    ConfirmationView *confirm_;
+    NSMutableArray *essential_;
+    NSMutableArray *broken_;
 
     Database *database_;
     ProgressView *progress_;
 
-    UIView *featured_;
-    UINavigationBar *navbar_;
-    UIScroller *scroller_;
-    UIWebView *webview_;
-    NSURL *url_;
-    UIProgressIndicator *indicator_;
+    unsigned tag_;
+
+    UIKeyboard *keyboard_;
+    UIProgressHUD *hud_;
 
     InstallView *install_;
     ChangesView *changes_;
     ManageView *manage_;
     SearchView *search_;
-
-    bool restart_;
-    unsigned tag_;
-
-    UIKeyboard *keyboard_;
 }
 
-- (void) loadNews;
-- (void) reloadData:(BOOL)reset;
-- (void) setPrompt;
-
-- (void) resolve;
-- (void) perform;
-- (void) upgrade;
-- (void) update;
-
-- (void) cancel;
-- (void) confirm;
-
-- (void) progressViewIsComplete:(ProgressView *)progress;
-
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button;
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button;
-- (void) buttonBarItemTapped:(id)sender;
-
-- (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old;
-
-- (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame;
-
-- (void) applicationWillSuspend;
-- (void) applicationDidFinishLaunching:(id)unused;
 @end
 
 @implementation Cydia
 
-- (void) loadNews {
-    NSMutableURLRequest *request = [NSMutableURLRequest
-        requestWithURL:url_
-        cachePolicy:NSURLRequestReloadIgnoringCacheData
-        timeoutInterval:30.0
-    ];
+- (void) _loaded {
+    if ([broken_ count] != 0) {
+        int count = [broken_ count];
+
+        UIActionSheet *sheet = [[[UIActionSheet alloc]
+            initWithTitle:[NSString stringWithFormat:@"%d Half-Installed Package%@", count, (count == 1 ? @"" : @"s")]
+            buttons:[NSArray arrayWithObjects:
+                @"Forcibly Clear",
+                @"Ignore (Temporary)",
+            nil]
+            defaultButtonIndex:0
+            delegate:self
+            context:@"fixhalf"
+        ] autorelease];
 
-    [request addValue:[NSString stringWithCString:Firmware_] forHTTPHeaderField:@"X-Firmware"];
-    [request addValue:[NSString stringWithCString:Machine_] forHTTPHeaderField:@"X-Machine"];
-    [request addValue:[NSString stringWithCString:SerialNumber_] forHTTPHeaderField:@"X-Serial-Number"];
+        [sheet setBodyText:@"When the shell scripts associated with packages fail, they are left in a bad state known as either half-configured or half-installed. These errors don't go away and instead continue to cause issues. These scripts can be deleted and the packages forcibly removed."];
+        [sheet popupAlertAnimated:YES];
+    } else if (!Ignored_ && [essential_ count] != 0) {
+        int count = [essential_ count];
+
+        UIActionSheet *sheet = [[[UIActionSheet alloc]
+            initWithTitle:[NSString stringWithFormat:@"%d Essential Upgrade%@", count, (count == 1 ? @"" : @"s")]
+            buttons:[NSArray arrayWithObjects:
+                @"Upgrade Essential",
+                @"Upgrade Everything",
+                @"Ignore (Temporary)",
+            nil]
+            defaultButtonIndex:0
+            delegate:self
+            context:@"upgrade"
+        ] autorelease];
 
-    [webview_ loadRequest:request];
+        [sheet setBodyText:@"One or more essential packages are currently out of date. If these upgrades are not performed you are likely to encounter errors."];
+        [sheet popupAlertAnimated:YES];
+    }
 }
 
-- (void) reloadData:(BOOL)reset {
-    [database_ reloadData];
-
-    size_t count = 16;
+- (void) _reloadData {
+    /*UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
+    [hud setText:@"Reloading Data"];
+    [overlay_ addSubview:hud];
+    [hud show:YES];*/
 
-    if (Packages_ == nil) {
-        Packages_ = [[NSMutableDictionary alloc] initWithCapacity:count];
-        [Metadata_ setObject:Packages_ forKey:@"Packages"];
-    }
+    _trace();
+    [database_ reloadData];
+    _trace();
 
-    now_ = [NSDate date];
+    size_t changes(0);
 
-    NSMutableArray *packages = [NSMutableArray arrayWithCapacity:count];
-    for (pkgCache::PkgIterator iterator = [database_ cache]->PkgBegin(); !iterator.end(); ++iterator)
-        if (Package *package = [Package packageWithIterator:iterator database:database_])
-            [packages addObject:package];
+    [essential_ removeAllObjects];
+    [broken_ removeAllObjects];
 
-    [install_ setPackages:packages];
-    [changes_ setPackages:packages];
-    [manage_ setPackages:packages];
-    [search_ setPackages:packages];
+    NSArray *packages = [database_ packages];
+    for (Package *package in packages) {
+        if ([package half])
+            [broken_ addObject:package];
+        if ([package upgradableAndEssential:NO]) {
+            if ([package essential])
+                [essential_ addObject:package];
+            ++changes;
+        }
+    }
 
-    if (size_t count = [changes_ count]) {
-        NSString *badge([[NSNumber numberWithInt:count] stringValue]);
+    if (changes != 0) {
+        NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
         [buttonbar_ setBadgeValue:badge forButton:3];
         if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
             [buttonbar_ setBadgeAnimated:YES forButton:3];
@@ -3238,11 +6500,85 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         [self removeApplicationBadge];
     }
 
-    _assert([Metadata_ writeToFile:@"/var/lib/cydia/metadata.plist" atomically:YES] == YES);
+    [self updateData];
+
+#if !ForSaurik
+    if ([packages count] == 0);
+    else if (Loaded_)
+#endif
+        [self _loaded];
+#if !ForSaurik
+    else {
+        Loaded_ = YES;
+        [book_ update];
+    }
+#endif
+
+    /*[hud show:NO];
+    [hud removeFromSuperview];*/
+}
+
+- (void) _saveConfig {
+    if (Changed_) {
+        _trace();
+        _assert([Metadata_ writeToFile:@"/var/lib/cydia/metadata.plist" atomically:YES] == YES);
+        _trace();
+        Changed_ = false;
+    }
+}
+
+- (void) updateData {
+    [self _saveConfig];
+
+    /* XXX: this is just stupid */
+    if (tag_ != 2 && install_ != nil)
+        [install_ reloadData];
+    if (tag_ != 3 && changes_ != nil)
+        [changes_ reloadData];
+    if (tag_ != 5 && search_ != nil)
+        [search_ reloadData];
+
+    [book_ reloadData];
+}
+
+- (void) update_ {
+    [database_ update];
+}
+
+- (void) syncData {
+    FILE *file = fopen("/etc/apt/sources.list.d/cydia.list", "w");
+    _assert(file != NULL);
+
+    NSArray *keys = [Sources_ allKeys];
+
+    for (int i(0), e([keys count]); i != e; ++i) {
+        NSString *key = [keys objectAtIndex:i];
+        NSDictionary *source = [Sources_ objectForKey:key];
+
+        fprintf(file, "%s %s %s\n",
+            [[source objectForKey:@"Type"] UTF8String],
+            [[source objectForKey:@"URI"] UTF8String],
+            [[source objectForKey:@"Distribution"] UTF8String]
+        );
+    }
+
+    fclose(file);
+
+    [self _saveConfig];
+
+    [progress_
+        detachNewThreadSelector:@selector(update_)
+        toTarget:self
+        withObject:nil
+        title:@"Updating Sources"
+    ];
 }
 
-- (void) setPrompt {
-    [navbar_ setPrompt:[NSString stringWithFormat:@"Last Updated: %@", GetLastUpdate()]];
+- (void) reloadData {
+    @synchronized (self) {
+        if (confirm_ == nil)
+            [self _reloadData];
+    }
 }
 
 - (void) resolve {
@@ -3255,29 +6591,59 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 
 - (void) perform {
     [database_ prepare];
-    confirm_ = [[ConfirmationView alloc] initWithView:underlay_ database:database_ delegate:self];
+
+    confirm_ = [[RVBook alloc] initWithFrame:[underlay_ bounds]];
+    [confirm_ setDelegate:self];
+
+    ConfirmationView *page([[[ConfirmationView alloc] initWithBook:confirm_ database:database_] autorelease]);
+    [page setDelegate:self];
+
+    [confirm_ setPage:page];
+    [underlay_ popSubview:confirm_];
 }
 
-- (void) upgrade {
-    [database_ upgrade];
-    [self perform];
+- (void) installPackage:(Package *)package {
+    @synchronized (self) {
+        [package install];
+        [self resolve];
+        [self perform];
+    }
+}
+
+- (void) removePackage:(Package *)package {
+    @synchronized (self) {
+        [package remove];
+        [self resolve];
+        [self perform];
+    }
+}
+
+- (void) distUpgrade {
+    @synchronized (self) {
+        [database_ upgrade];
+        [self perform];
+    }
 }
 
 - (void) cancel {
-    [self reloadData:NO];
-    [confirm_ release];
-    confirm_ = nil;
+    @synchronized (self) {
+        [self _reloadData];
+        if (confirm_ != nil) {
+            [confirm_ release];
+            confirm_ = nil;
+        }
+    }
 }
 
 - (void) confirm {
     [overlay_ removeFromSuperview];
-    restart_ = true;
+    reload_ = true;
 
     [progress_
         detachNewThreadSelector:@selector(perform)
         toTarget:database_
         withObject:nil
-        title:@"Running..."
+        title:@"Running"
     ];
 }
 
@@ -3293,208 +6659,121 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         detachNewThreadSelector:@selector(bootstrap_)
         toTarget:self
         withObject:nil
-        title:@"Bootstrap Install..."
-    ];
-}
-
-- (void) update {
-    [progress_
-        detachNewThreadSelector:@selector(update)
-        toTarget:database_
-        withObject:nil
-        title:@"Refreshing Sources..."
+        title:@"Bootstrap Install"
     ];
 }
 
 - (void) progressViewIsComplete:(ProgressView *)progress {
-    [self reloadData:YES];
-
     if (confirm_ != nil) {
         [underlay_ addSubview:overlay_];
-        [confirm_ removeFromSuperview];
-        [confirm_ release];
-        confirm_ = nil;
+        [confirm_ popFromSuperviewAnimated:NO];
     }
-}
-
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
-    switch (button) {
-        case 0:
-            [self loadNews];
-        break;
 
-        case 1:
-            UIAlertSheet *sheet = [[[UIAlertSheet alloc]
-                initWithTitle:@"About Cydia Packager"
-                buttons:[NSArray arrayWithObjects:@"Close", nil]
-                defaultButtonIndex:0
-                delegate:self
-                context:self
-            ] autorelease];
+    [self cancel];
+}
 
-            [sheet setBodyText:
-                @"Copyright (C) 2008\n"
-                "Jay Freeman (saurik)\n"
-                "saurik@saurik.com\n"
-                "http://www.saurik.com/\n"
-                "\n"
-                "The Okori Group\n"
-                "http://www.theokorigroup.com/\n"
-                "\n"
-                "College of Creative Studies,\n"
-                "University of California,\n"
-                "Santa Barbara\n"
-                "http://www.ccs.ucsb.edu/\n"
-                "\n"
-                "Special Thanks:\n"
-                "bad_, BHSPitMonkey, cash, Cobra,\n"
-                "core, Corona, crashx, cromas,\n"
-                "Darken, dtzWill, Erica, francis,\n"
-                "Godores, jerry, Kingstone, lounger,\n"
-                "mbranes, rockabilly, tman, Wbiggs"
-            ];
+- (void) setPage:(RVPage *)page {
+    [page resetViewAnimated:NO];
+    [page setDelegate:self];
+    [book_ setPage:page];
+}
 
-            [sheet presentSheetFromButtonBar:buttonbar_];
-        break;
-    }
+- (RVPage *) _pageForURL:(NSURL *)url withClass:(Class)_class {
+    BrowserView *browser = [[[_class alloc] initWithBook:book_] autorelease];
+    [browser loadURL:url];
+    return browser;
 }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+- (void) _setHomePage {
+    [self setPage:[self _pageForURL:[NSURL URLWithString:@"http://cydia.saurik.com/"] withClass:[HomeView class]]];
 }
 
 - (void) buttonBarItemTapped:(id)sender {
-    UIView *view;
     unsigned tag = [sender tag];
+    if (tag == tag_) {
+        [book_ resetViewAnimated:YES];
+        return;
+    } else if (tag_ == 2 && tag != 2)
+        [install_ resetView];
 
     switch (tag) {
-        case 1: view = featured_; break;
-        case 2: view = install_; break;
-        case 3: view = changes_; break;
-        case 4: view = manage_; break;
-        case 5: view = search_; break;
+        case 1: [self _setHomePage]; break;
 
-        default:
-            _assert(false);
+        case 2: [self setPage:install_]; break;
+        case 3: [self setPage:changes_]; break;
+        case 4: [self setPage:manage_]; break;
+        case 5: [self setPage:search_]; break;
+
+        default: _assert(false);
     }
 
-    if ([view respondsToSelector:@selector(resetView:)])
-        [(id) view resetView:(tag == tag_ ? NO : YES)];
     tag_ = tag;
-    [transition_ transition:0 toView:view];
-}
-
-- (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
-    [scroller_ setContentSize:frame.size];
-    [indicator_ stopAnimation];
-}
-
-- (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
-    [navbar_ setPrompt:title];
-}
-
-- (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
-    [navbar_ setPrompt:@"Loading..."];
-    [indicator_ startAnimation];
 }
 
 - (void) applicationWillSuspend {
-    if (restart_)
-        system("launchctl stop com.apple.SpringBoard");
-
+    [database_ clean];
     [super applicationWillSuspend];
 }
 
-- (void) applicationDidFinishLaunching:(id)unused {
-    _assert(pkgInitConfig(*_config));
-    _assert(pkgInitSystem(*_config, _system));
+- (void) askForSettings {
+    UIActionSheet *role = [[[UIActionSheet alloc]
+        initWithTitle:@"Who Are You?"
+        buttons:[NSArray arrayWithObjects:
+            @"User (Graphical Only)",
+            @"Hacker (+ Command Line)",
+            @"Developer (No Filters)",
+        nil]
+        defaultButtonIndex:-1
+        delegate:self
+        context:@"role"
+    ] autorelease];
 
-    confirm_ = nil;
-    restart_ = false;
-    tag_ = 1;
+    [role setBodyText:@"Not all of the packages available via Cydia are designed to be used by all users. Please categorize yourself so that Cydia can apply helpful filters.\n\nThis choice can be changed from \"Settings\" under the \"Manage\" tab."];
+    [role popupAlertAnimated:YES];
+}
 
-    CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
-    window_ = [[UIWindow alloc] initWithContentRect:screenrect];
+- (void) finish {
+    if (hud_ != nil) {
+        [self setStatusBarShowsProgress:NO];
 
-    [window_ orderFront: self];
-    [window_ makeKey: self];
-    [window_ _setHidden: NO];
+        [hud_ show:NO];
+        [hud_ removeFromSuperview];
+        [hud_ autorelease];
+        hud_ = nil;
 
-    progress_ = [[ProgressView alloc] initWithFrame:[window_ bounds] delegate:self];
-    [window_ setContentView:progress_];
+        pid_t pid = ExecFork();
+        if (pid == 0) {
+            execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
+            perror("launchctl stop");
+        }
 
-    underlay_ = [[UIView alloc] initWithFrame:[progress_ bounds]];
-    [progress_ setContentView:underlay_];
+        return;
+    }
 
-    overlay_ = [[UIView alloc] initWithFrame:[underlay_ bounds]];
+    if (Role_ == nil) {
+        [self askForSettings];
+        return;
+    }
 
-    if (!bootstrap_)
-        [underlay_ addSubview:overlay_];
+    overlay_ = [[UIView alloc] initWithFrame:[underlay_ bounds]];
 
-    transition_ = [[UITransitionView alloc] initWithFrame:CGRectMake(
+    CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
+    book_ = [[CYBook alloc] initWithFrame:CGRectMake(
         0, 0, screenrect.size.width, screenrect.size.height - 48
-    )];
-
-    [overlay_ addSubview:transition_];
-
-    featured_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
-
-    CGSize navsize = [UINavigationBar defaultSizeWithPrompt];
-    CGRect navrect = {{0, 0}, navsize};
-
-    navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
-    [featured_ addSubview:navbar_];
-
-    [navbar_ setBarStyle:1];
-    [navbar_ setDelegate:self];
-
-    [navbar_ showButtonsWithLeftTitle:@"About" rightTitle:@"Reload"];
-
-    UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:@"Featured"] autorelease];
-    [navbar_ pushNavigationItem:navitem];
-
-    struct CGRect subbounds = [featured_ bounds];
-    subbounds.origin.y += navsize.height;
-    subbounds.size.height -= navsize.height;
-
-    UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:subbounds] autorelease];
-    [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
-    [featured_ addSubview:pinstripe];
-
-    scroller_ = [[UIScroller alloc] initWithFrame:subbounds];
-    [featured_ addSubview:scroller_];
-
-    [scroller_ setScrollingEnabled:YES];
-    [scroller_ setAdjustForContentSizeChange:YES];
-    [scroller_ setClipsSubviews:YES];
-    [scroller_ setAllowsRubberBanding:YES];
-    [scroller_ setScrollDecelerationFactor:0.99];
-    [scroller_ setDelegate:self];
-
-    CGRect webrect = [scroller_ bounds];
-    webrect.size.height = 0;
+    ) database:database_];
 
-    webview_ = [[UIWebView alloc] initWithFrame:webrect];
-    [scroller_ addSubview:webview_];
+    [book_ setDelegate:self];
 
-    [webview_ setTilingEnabled:YES];
-    [webview_ setTileSize:CGSizeMake(screenrect.size.width, 500)];
-    [webview_ setAutoresizes:YES];
-    [webview_ setDelegate:self];
-
-    CGSize indsize = [UIProgressIndicator defaultSizeForStyle:2];
-    indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(87, 45, indsize.width, indsize.height)];
-    [indicator_ setStyle:2];
-    [featured_ addSubview:indicator_];
+    [overlay_ addSubview:book_];
 
     NSArray *buttonitems = [NSArray arrayWithObjects:
         [NSDictionary dictionaryWithObjectsAndKeys:
             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
-            @"featured-up.png", kUIButtonBarButtonInfo,
-            @"featured-dn.png", kUIButtonBarButtonSelectedInfo,
+            @"home-up.png", kUIButtonBarButtonInfo,
+            @"home-dn.png", kUIButtonBarButtonSelectedInfo,
             [NSNumber numberWithInt:1], kUIButtonBarButtonTag,
             self, kUIButtonBarButtonTarget,
-            @"Featured", kUIButtonBarButtonTitle,
+            @"Home", kUIButtonBarButtonTitle,
             @"0", kUIButtonBarButtonType,
         nil],
 
@@ -3504,7 +6783,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
             @"install-dn.png", kUIButtonBarButtonSelectedInfo,
             [NSNumber numberWithInt:2], kUIButtonBarButtonTag,
             self, kUIButtonBarButtonTarget,
-            @"Install", kUIButtonBarButtonTitle,
+            @"Sections", kUIButtonBarButtonTitle,
             @"0", kUIButtonBarButtonType,
         nil],
 
@@ -3524,7 +6803,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
             @"manage-dn.png", kUIButtonBarButtonSelectedInfo,
             [NSNumber numberWithInt:4], kUIButtonBarButtonTag,
             self, kUIButtonBarButtonTarget,
-            @"Uninstall", kUIButtonBarButtonTitle,
+            @"Manage", kUIButtonBarButtonTitle,
             @"0", kUIButtonBarButtonType,
         nil],
 
@@ -3539,11 +6818,11 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         nil],
     nil];
 
-    buttonbar_ = [[UIButtonBar alloc]
+    buttonbar_ = [[UIToolbar alloc]
         initInView:overlay_
         withFrame:CGRectMake(
-            0, screenrect.size.height - 48,
-            screenrect.size.width, 48
+            0, screenrect.size.height - ButtonBarHeight_,
+            screenrect.size.width, ButtonBarHeight_
         )
         withItemList:buttonitems
     ];
@@ -3558,72 +6837,338 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 
     for (int i = 0; i != 5; ++i)
         [[buttonbar_ viewWithTag:(i + 1)] setFrame:CGRectMake(
-            i * 64 + 2, 1, 60, 48
+            i * 64 + 2, 1, 60, ButtonBarHeight_
         )];
 
     [buttonbar_ showSelectionForButton:1];
-    [transition_ transition:0 toView:featured_];
-
     [overlay_ addSubview:buttonbar_];
 
     [UIKeyboard initImplementationNow];
-
-    CGRect edtrect = [overlay_ bounds];
-    edtrect.origin.y += navsize.height;
-    edtrect.size.height -= navsize.height;
-
     CGSize keysize = [UIKeyboard defaultSize];
-    CGRect keyrect = {{0, [overlay_ bounds].size.height - keysize.height}, keysize};
+    CGRect keyrect = {{0, [overlay_ bounds].size.height}, keysize};
     keyboard_ = [[UIKeyboard alloc] initWithFrame:keyrect];
+    [[UIKeyboardImpl sharedInstance] setSoundsEnabled:(Sounds_Keyboard_ ? YES : NO)];
+    [overlay_ addSubview:keyboard_];
 
-    database_ = [[Database alloc] init];
-    [database_ setDelegate:progress_];
+    if (!bootstrap_)
+        [underlay_ addSubview:overlay_];
 
-    install_ = [[InstallView alloc] initWithFrame:[transition_ bounds]];
-    [install_ setDelegate:self];
+    [self reloadData];
 
-    changes_ = [[ChangesView alloc] initWithFrame:[transition_ bounds]];
-    [changes_ setDelegate:self];
+    install_ = [[InstallView alloc] initWithBook:book_ database:database_];
+    changes_ = [[ChangesView alloc] initWithBook:book_ database:database_];
+    search_ = [[SearchView alloc] initWithBook:book_ database:database_];
 
-    manage_ = [[ManageView alloc] initWithFrame:[transition_ bounds]];
-    [manage_ setDelegate:self];
+    manage_ = (ManageView *) [[self
+        _pageForURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"manage" ofType:@"html"]]
+        withClass:[ManageView class]
+    ] retain];
 
-    search_ = [[SearchView alloc] initWithFrame:[transition_ bounds]];
-    [search_ setDelegate:self];
+    if (bootstrap_)
+        [self bootstrap];
+    else
+        [self _setHomePage];
+}
 
-    [self reloadData:NO];
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    NSString *context = [sheet context];
+    if ([context isEqualToString:@"fixhalf"])
+        switch (button) {
+            case 1:
+                @synchronized (self) {
+                    for (int i = 0, e = [broken_ count]; i != e; ++i) {
+                        Package *broken = [broken_ objectAtIndex:i];
+                        [broken remove];
+
+                        NSString *id = [broken id];
+                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
+                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
+                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
+                        unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
+                    }
+
+                    [self resolve];
+                    [self perform];
+                }
+            break;
 
-    Package *package([database_ packageWithName:@"cydia"]);
-    NSString *application = package == nil ? @"Cydia" : [NSString
-        stringWithFormat:@"Cydia/%@",
-        [package installed]
-    ];
+            case 2:
+                [broken_ removeAllObjects];
+                [self _loaded];
+            break;
 
-    WebView *webview = [webview_ webView];
-    [webview setApplicationNameForUserAgent:application];
-    [webview setFrameLoadDelegate:self];
+            default:
+                _assert(false);
+        }
+    else if ([context isEqualToString:@"role"]) {
+        switch (button) {
+            case 1: Role_ = @"User"; break;
+            case 2: Role_ = @"Hacker"; break;
+            case 3: Role_ = @"Developer"; break;
+
+            default:
+                Role_ = nil;
+                _assert(false);
+        }
+
+        bool reset = Settings_ != nil;
+
+        Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+            Role_, @"Role",
+        nil];
+
+        [Metadata_ setObject:Settings_ forKey:@"Settings"];
+
+        Changed_ = true;
+
+        if (reset)
+            [self updateData];
+        else
+            [self finish];
+    } else if ([context isEqualToString:@"upgrade"])
+        switch (button) {
+            case 1:
+                @synchronized (self) {
+                    for (int i = 0, e = [essential_ count]; i != e; ++i) {
+                        Package *essential = [essential_ objectAtIndex:i];
+                        [essential install];
+                    }
+
+                    [self resolve];
+                    [self perform];
+                }
+            break;
+
+            case 2:
+                [self distUpgrade];
+            break;
+
+            case 3:
+                Ignored_ = YES;
+            break;
+
+            default:
+                _assert(false);
+        }
+
+    [sheet dismiss];
+}
+
+- (void) reorganize { _pooled
+    system("/usr/libexec/cydia/free.sh");
+    [self performSelectorOnMainThread:@selector(finish) withObject:nil waitUntilDone:NO];
+}
+
+- (void) applicationSuspend:(__GSEvent *)event {
+    if (hud_ == nil && ![progress_ isRunning])
+        [super applicationSuspend:event];
+}
+
+- (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
+    if (hud_ == nil)
+        [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
+}
+
+- (void) _setSuspended:(BOOL)value {
+    if (hud_ == nil)
+        [super _setSuspended:value];
+}
+
+- (UIProgressHUD *) addProgressHUD {
+    UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
+    [hud show:YES];
+    [underlay_ addSubview:hud];
+    return hud;
+}
+
+- (void) openMailToURL:(NSURL *)url {
+// XXX: this makes me sad
+#if 0
+    [[[MailToView alloc] initWithView:underlay_ delegate:self url:url] autorelease];
+#else
+    [UIApp openURL:url];
+#endif
+}
+
+- (RVPage *) pageForPackage:(NSString *)name {
+    if (Package *package = [database_ packageWithName:name]) {
+        PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
+        [view setPackage:package];
+        return view;
+    } else {
+        UIActionSheet *sheet = [[[UIActionSheet alloc]
+            initWithTitle:@"Cannot Locate Package"
+            buttons:[NSArray arrayWithObjects:@"Close", nil]
+            defaultButtonIndex:0
+            delegate:self
+            context:@"missing"
+        ] autorelease];
+
+        [sheet setBodyText:[NSString stringWithFormat:
+            @"The package %@ cannot be found in your current sources. I might recommend installing more sources."
+        , name]];
+
+        [sheet popupAlertAnimated:YES];
+        return nil;
+    }
+}
+
+- (RVPage *) pageForURL:(NSURL *)url hasTag:(int *)tag {
+    NSString *href = [url absoluteString];
+
+    if (tag != NULL)
+        tag = 0;
+
+    if ([href isEqualToString:@"cydia://add-source"])
+        return [[[AddSourceView alloc] initWithBook:book_ database:database_] autorelease];
+    else if ([href isEqualToString:@"cydia://sources"])
+        return [[[SourceTable alloc] initWithBook:book_ database:database_] autorelease];
+    else if ([href isEqualToString:@"cydia://packages"])
+        return [[[InstalledView alloc] initWithBook:book_ database:database_] autorelease];
+    else if ([href hasPrefix:@"cydia://url/"])
+        return [self _pageForURL:[NSURL URLWithString:[href substringFromIndex:12]] withClass:[BrowserView class]];
+    else if ([href hasPrefix:@"cydia://launch/"])
+        [self launchApplicationWithIdentifier:[href substringFromIndex:15] suspended:NO];
+    else if ([href hasPrefix:@"cydia://package-settings/"])
+        return [[[SettingsView alloc] initWithBook:book_ database:database_ package:[href substringFromIndex:25]] autorelease];
+    else if ([href hasPrefix:@"cydia://package-signature/"])
+        return [[[SignatureView alloc] initWithBook:book_ database:database_ package:[href substringFromIndex:26]] autorelease];
+    else if ([href hasPrefix:@"cydia://package/"])
+        return [self pageForPackage:[href substringFromIndex:16]];
+    else if ([href hasPrefix:@"cydia://files/"]) {
+        NSString *name = [href substringFromIndex:14];
+
+        if (Package *package = [database_ packageWithName:name]) {
+            FileTable *files = [[[FileTable alloc] initWithBook:book_ database:database_] autorelease];
+            [files setPackage:package];
+            return files;
+        }
+    }
+
+    return nil;
+}
+
+- (void) applicationOpenURL:(NSURL *)url {
+    [super applicationOpenURL:url];
+    int tag;
+    if (RVPage *page = [self pageForURL:url hasTag:&tag]) {
+        [self setPage:page];
+        [buttonbar_ showSelectionForButton:tag];
+        tag_ = tag;
+    }
+}
+
+- (void) applicationDidFinishLaunching:(id)unused {
+    Font12_ = [[UIFont systemFontOfSize:12] retain];
+    Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
+    Font14_ = [[UIFont systemFontOfSize:14] retain];
+    Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
+    Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
+
+    _assert(pkgInitConfig(*_config));
+    _assert(pkgInitSystem(*_config, _system));
+
+    tag_ = 1;
+
+    essential_ = [[NSMutableArray alloc] initWithCapacity:4];
+    broken_ = [[NSMutableArray alloc] initWithCapacity:4];
+
+    [NSURLProtocol registerClass:[CydiaURLProtocol class]];
+
+    CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
+    window_ = [[UIWindow alloc] initWithContentRect:screenrect];
 
-    url_ = [NSURL URLWithString:@"http://cydia.saurik.com/"];
-    [self loadNews];
+    [window_ orderFront:self];
+    [window_ makeKey:self];
+    [window_ setHidden:NO];
+
+    database_ = [Database sharedInstance];
+    progress_ = [[ProgressView alloc] initWithFrame:[window_ bounds] database:database_ delegate:self];
+    [database_ setDelegate:progress_];
+    [window_ setContentView:progress_];
+
+    underlay_ = [[UIView alloc] initWithFrame:[progress_ bounds]];
+    [progress_ setContentView:underlay_];
 
     [progress_ resetView];
 
-    if (bootstrap_)
-        [self bootstrap];
+    if (
+        readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
+        readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
+        readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
+        readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
+        readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
+        readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL /*||
+        readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL*/
+    ) {
+        [self setIdleTimerDisabled:YES];
+
+        hud_ = [self addProgressHUD];
+        [hud_ setText:@"Reorganizing\n\nWill Automatically\nRestart When Done"];
+
+        [self setStatusBarShowsProgress:YES];
+
+        [NSThread
+            detachNewThreadSelector:@selector(reorganize)
+            toTarget:self
+            withObject:nil
+        ];
+    } else
+        [self finish];
+}
+
+/* Web Scripting {{{ */
++ (NSString *) webScriptNameForSelector:(SEL)selector {
+    if (selector == @selector(supports:))
+        return @"supports";
+    return nil;
+}
+
++ (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
+    return selector != @selector(supports:);
+}
+
+- (BOOL) supports:(NSString *)feature {
+    return [feature isEqualToString:@"window.open"];
 }
+/* }}} */
 
 - (void) showKeyboard:(BOOL)show {
-    if (show)
-        [overlay_ addSubview:keyboard_];
+    CGSize keysize = [UIKeyboard defaultSize];
+    CGRect keydown = {{0, [overlay_ bounds].size.height}, keysize};
+    CGRect keyup = keydown;
+    keyup.origin.y -= keysize.height;
+
+    UIFrameAnimation *animation = [[[UIFrameAnimation alloc] initWithTarget:keyboard_] autorelease];
+    [animation setSignificantRectFields:2];
+
+    if (show) {
+        [animation setStartFrame:keydown];
+        [animation setEndFrame:keyup];
+        [keyboard_ activate];
+    } else {
+        [animation setStartFrame:keyup];
+        [animation setEndFrame:keydown];
+        [keyboard_ deactivate];
+    }
+
+    [[UIAnimator sharedAnimator]
+        addAnimations:[NSArray arrayWithObjects:animation, nil]
+        withDuration:KeyboardTime_
+        start:YES
+    ];
+}
+
+- (void) slideUp:(UIActionSheet *)alert {
+    if (Advanced_)
+        [alert presentSheetFromButtonBar:buttonbar_];
     else
-        [keyboard_ removeFromSuperview];
+        [alert presentSheetInView:overlay_];
 }
 
 @end
 
-void AddPreferences(NSString *plist) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
+void AddPreferences(NSString *plist) { _pooled
     NSMutableDictionary *settings = [[[NSMutableDictionary alloc] initWithContentsOfFile:plist] autorelease];
     _assert(settings != NULL);
     NSMutableArray *items = [settings objectForKey:@"items"];
@@ -3658,75 +7203,141 @@ void AddPreferences(NSString *plist) {
 
         _assert([settings writeToFile:plist atomically:YES] == YES);
     }
-
-    [pool release];
 }
 
 /*IMP alloc_;
 id Alloc_(id self, SEL selector) {
     id object = alloc_(self, selector);
-    fprintf(stderr, "[%s]A-%p\n", self->isa->name, object);
+    lprintf("[%s]A-%p\n", self->isa->name, object);
     return object;
 }*/
 
-int main(int argc, char *argv[]) {
-    struct nlist nl[2];
-    memset(nl, 0, sizeof(nl));
-    nl[0].n_un.n_name = "_useMDNSResponder";
-    nlist("/usr/lib/libc.dylib", nl);
-    if (nl[0].n_type != N_UNDF)
-        *(int *) nl[0].n_value = 0;
+/*IMP dealloc_;
+id Dealloc_(id self, SEL selector) {
+    id object = dealloc_(self, selector);
+    lprintf("[%s]D-%p\n", self->isa->name, object);
+    return object;
+}*/
 
+int main(int argc, char *argv[]) { _pooled
     bootstrap_ = argc > 1 && strcmp(argv[1], "--bootstrap") == 0;
 
+    App_ = [[NSBundle mainBundle] bundlePath];
+    Home_ = NSHomeDirectory();
+    Locale_ = CFLocaleCopyCurrent();
+
+    {
+        NSString *plist = [Home_ stringByAppendingString:@"/Library/Preferences/com.apple.preferences.sounds.plist"];
+        if (NSDictionary *sounds = [NSDictionary dictionaryWithContentsOfFile:plist])
+            if (NSNumber *keyboard = [sounds objectForKey:@"keyboard"])
+                Sounds_Keyboard_ = [keyboard boolValue];
+    }
+
     setuid(0);
     setgid(0);
 
+    if (unlink("/var/cache/apt/pkgcache.bin") == -1)
+        _assert(errno == ENOENT);
+    if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
+        _assert(errno == ENOENT);
+
     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
     alloc_ = alloc->method_imp;
     alloc->method_imp = (IMP) &Alloc_;*/
 
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
+    dealloc_ = dealloc->method_imp;
+    dealloc->method_imp = (IMP) &Dealloc_;*/
 
-    if (NSDictionary *sysver = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"]) {
-        if (NSString *prover = [sysver valueForKey:@"ProductVersion"]) {
-            Firmware_ = strdup([prover cString]);
-            NSArray *versions = [prover componentsSeparatedByString:@"."];
-            int count = [versions count];
-            Major_ = count > 0 ? [[versions objectAtIndex:0] intValue] : 0;
-            Minor_ = count > 1 ? [[versions objectAtIndex:0] intValue] : 0;
-            BugFix_ = count > 2 ? [[versions objectAtIndex:0] intValue] : 0;
-        }
+    size_t size;
+
+    int maxproc;
+    size = sizeof(maxproc);
+    if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
+        perror("sysctlbyname(\"kern.maxproc\", ?)");
+    else if (maxproc < 64) {
+        maxproc = 64;
+        if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
+            perror("sysctlbyname(\"kern.maxproc\", #)");
     }
 
-    size_t size;
     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
     char *machine = new char[size];
-    sysctlbyname("hw.machine", machine, &size, NULL, 0);
-    Machine_ = machine;
-
-    if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice"))
-        if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
-            if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
-                SerialNumber_ = strdup(CFStringGetCStringPtr((CFStringRef) serial, CFStringGetSystemEncoding()));
-                CFRelease(serial);
-            }
+    if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
+        perror("sysctlbyname(\"hw.machine\", ?)");
+    else
+        Machine_ = machine;
 
-            IOObjectRelease(service);
-        }
+    UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
 
     /*AddPreferences(@"/Applications/Preferences.app/Settings-iPhone.plist");
     AddPreferences(@"/Applications/Preferences.app/Settings-iPod.plist");*/
 
     if ((Metadata_ = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"]) == NULL)
         Metadata_ = [[NSMutableDictionary alloc] initWithCapacity:2];
-    else
+    else {
+        Settings_ = [Metadata_ objectForKey:@"Settings"];
+
         Packages_ = [Metadata_ objectForKey:@"Packages"];
+        Sections_ = [Metadata_ objectForKey:@"Sections"];
+        Sources_ = [Metadata_ objectForKey:@"Sources"];
+    }
 
-    setenv("CYDIA", "", _not(int));
-    system("dpkg --configure -a");
+    if (Settings_ != nil)
+        Role_ = [Settings_ objectForKey:@"Role"];
 
-    UIApplicationMain(argc, argv, [Cydia class]);
-    [pool release];
-    return 0;
+    if (Packages_ == nil) {
+        Packages_ = [[[NSMutableDictionary alloc] initWithCapacity:128] autorelease];
+        [Metadata_ setObject:Packages_ forKey:@"Packages"];
+    }
+
+    if (Sections_ == nil) {
+        Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
+        [Metadata_ setObject:Sections_ forKey:@"Sections"];
+    }
+
+    if (Sources_ == nil) {
+        Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
+        [Metadata_ setObject:Sources_ forKey:@"Sources"];
+    }
+
+#if RecycleWebViews
+    Documents_ = [[[NSMutableArray alloc] initWithCapacity:4] autorelease];
+#endif
+
+    if (access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
+        dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);
+
+    if (access("/User", F_OK) != 0)
+        system("/usr/libexec/cydia/firmware.sh");
+
+    _assert([[NSFileManager defaultManager]
+        createDirectoryAtPath:@"/var/cache/apt/archives/partial"
+        withIntermediateDirectories:YES
+        attributes:nil
+        error:NULL
+    ]);
+
+    space_ = CGColorSpaceCreateDeviceRGB();
+
+    Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
+    Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
+    Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
+    Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
+    White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
+    Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
+
+    Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
+
+    SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
+
+    UIApplicationUseLegacyEvents(YES);
+    UIKeyboardDisableAutomaticAppearance();
+
+    int value = UIApplicationMain(argc, argv, @"Cydia", @"Cydia");
+
+    CGColorSpaceRelease(space_);
+    CFRelease(Locale_);
+
+    return value;
 }