]> git.saurik.com Git - cydia.git/blobdiff - Cydia.mm
Fundamental performance improvements.
[cydia.git] / Cydia.mm
index e5f198c4cf7e21880a888883e503efac26bd5a9e..8d48ac068dfff4925f4ede6a827fd023bf8c5c30 100644 (file)
--- a/Cydia.mm
+++ b/Cydia.mm
 */
 
 /* #include Directives {{{ */
+#import "UICaboodle.h"
+
+#include <objc/objc.h>
+#include <objc/runtime.h>
+
 #include <CoreGraphics/CoreGraphics.h>
 #include <GraphicsServices/GraphicsServices.h>
 #include <Foundation/Foundation.h>
-#include <UIKit/UIKit.h>
-#include <WebCore/DOMHTML.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>
 
-#include <objc/objc.h>
-#include <objc/runtime.h>
+#import <WebKit/WebView-WebPrivate.h>
 
-#include <map>
 #include <sstream>
 #include <string>
 
 #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>
@@ -79,158 +99,296 @@ extern "C" {
 
 #include <errno.h>
 #include <pcre.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
 
-#define _not(type) ((type) ~ (type) 0)
+struct timeval _ltv;
+bool _itv;
 
-#define _transient
-/* }}} */
+#define _limit(count) do { \
+    static size_t _count(0); \
+    if (++_count == count) \
+        exit(0); \
+} while (false)
 
-/* Miscellaneous Messages {{{ */
-@interface NSString (Cydia)
-- (NSString *) stringByAddingPercentEscapes;
-- (NSString *) stringByReplacingCharacter:(unsigned short)arg0 withCharacter:(unsigned short)arg1;
-@end
-/* }}} */
-/* 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;
+/* 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_();
+    }
+
+    _finline This_ &operator =(Type_ *value) {
+        if (value_ != value) {
+            Clear_();
+            value_ = value;
+            Retain_();
+        } return this;
+    }
+};
 /* }}} */
 
-#if 1
-#define $_
-#define _$
-#else
-#define $_ fprintf(stderr, "+");_trace();
-#define _$ fprintf(stderr, "-");_trace();
-#endif
+#define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 
-/* iPhoneOS 2.0 Compatibility {{{ */
-#ifdef __OBJC2__
-@interface UICGColor : NSObject {
+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);
 }
 
-- (id) initWithCGColor:(CGColorRef)color;
+static const NSStringCompareOptions CompareOptions_ = NSCaseInsensitiveSearch | NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSForcedOrderingSearch;
+
+/* iPhoneOS 2.0 Compatibility {{{ */
+#ifdef __OBJC2__
+@interface UITextView (iPhoneOS)
+- (void) setTextSize:(float)size;
 @end
 
-@interface UIFont {
+@implementation UITextView (iPhoneOS)
+
+- (void) setTextSize:(float)size {
+    [self setFont:[[self font] fontWithSize:size]];
 }
 
-- (UIFont *) fontWithSize:(CGFloat)size;
 @end
+#endif
+/* }}} */
 
-@interface NSObject (iPhoneOS)
-- (CGColorRef) cgColor;
-- (CGColorRef) CGColor;
-- (void) set;
+extern NSString * const kCAFilterNearest;
+
+/* Information Dictionaries {{{ */
+@interface NSMutableArray (Cydia)
+- (void) addInfoDictionary:(NSDictionary *)info;
 @end
 
-@implementation NSObject (iPhoneOS)
+@implementation NSMutableArray (Cydia)
 
-- (CGColorRef) cgColor {
-    return [self CGColor];
+- (void) addInfoDictionary:(NSDictionary *)info {
+    [self addObject:info];
 }
 
-- (CGColorRef) CGColor {
-    return (CGColorRef) self;
-}
+@end
+
+@interface NSMutableDictionary (Cydia)
+- (void) addInfoDictionary:(NSDictionary *)info;
+@end
+
+@implementation NSMutableDictionary (Cydia)
 
-- (void) set {
-    [[[[objc_getClass("UICGColor") alloc] initWithCGColor:[self CGColor]] autorelease] set];
+- (void) addInfoDictionary:(NSDictionary *)info {
+    NSString *bundle = [info objectForKey:@"CFBundleIdentifier"];
+    [self setObject:info forKey:bundle];
 }
 
 @end
+/* }}} */
+/* Pop Transitions {{{ */
+@interface PopTransitionView : UITransitionView {
+}
 
-@interface UITextView (iPhoneOS)
-- (void) setTextSize:(float)size;
 @end
 
-@implementation UITextView (iPhoneOS)
+@implementation PopTransitionView
 
-- (void) setTextSize:(float)size {
-    [self setFont:[[self font] fontWithSize:size]];
+- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
+    if (from != nil && to == nil)
+        [self removeFromSuperview];
 }
 
 @end
-#endif
-/* }}} */
 
-OBJC_EXPORT const char *class_getName(Class cls);
-
-/* Reset View (UIView) {{{ */
-@interface UIView (RVBook)
-- (void) resetViewAnimated:(BOOL)animated;
-- (void) clearView;
+@interface UIView (PopUpView)
+- (void) popFromSuperviewAnimated:(BOOL)animated;
+- (void) popSubview:(UIView *)view;
 @end
 
-@implementation UIView (RVBook)
+@implementation UIView (PopUpView)
 
-- (void) resetViewAnimated:(BOOL)animated {
-    fprintf(stderr, "%s\n", class_getName(self->isa));
-    _assert(false);
+- (void) popFromSuperviewAnimated:(BOOL)animated {
+    [[self superview] transition:(animated ? UITransitionPushFromTop : UITransitionNone) toView:nil];
 }
 
-- (void) clearView {
-    fprintf(stderr, "%s\n", class_getName(self->isa));
-    _assert(false);
+- (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 (UITable) {{{ */
-@interface UITable (RVBook)
-- (void) resetViewAnimated:(BOOL)animated;
-- (void) clearView;
+
+#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 UITable (RVBook)
+@implementation NSMutableArray (Radix)
 
-- (void) resetViewAnimated:(BOOL)animated {
-    [self selectRow:-1 byExtendingSelection:NO withFade: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];
 
-- (void) clearView {
-    [self clearAllData];
+        [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
 /* }}} */
-/* Reset View (UISectionList) {{{ */
-@interface UISectionList (RVBook)
-- (void) resetViewAnimated:(BOOL)animated;
-- (void) clearView;
+
+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 UISectionList (RVBook)
+@implementation NSString (Cydia)
 
-- (void) resetViewAnimated:(BOOL)animated {
-    [[self table] resetViewAnimated:animated];
++ (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
+    char data[length + 1];
+    memcpy(data, bytes, length);
+    data[length] = '\0';
+    return [NSString stringWithUTF8String:data];
 }
 
-- (void) clearView {
-    [[self table] clearView];
+- (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 {
@@ -250,7 +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);
         }
 
@@ -264,10 +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) {
@@ -277,15 +437,13 @@ class Pcre {
 };
 /* }}} */
 /* Mime Addresses {{{ */
-Pcre email_r("^\"?(.*)\"? <([^>]*)>$");
-
 @interface Address : NSObject {
     NSString *name_;
-    NSString *email_;
+    NSString *address_;
 }
 
 - (NSString *) name;
-- (NSString *) email;
+- (NSString *) address;
 
 + (Address *) addressWithString:(NSString *)string;
 - (Address *) initWithString:(NSString *)string;
@@ -295,8 +453,8 @@ Pcre email_r("^\"?(.*)\"? <([^>]*)>$");
 
 - (void) dealloc {
     [name_ release];
-    if (email_ != nil)
-        [email_ release];
+    if (address_ != nil)
+        [address_ release];
     [super dealloc];
 }
 
@@ -304,25 +462,39 @@ Pcre email_r("^\"?(.*)\"? <([^>]*)>$");
     return name_;
 }
 
-- (NSString *) email {
-    return email_;
+- (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];
 
-        if (email_r(data, size)) {
-            name_ = [email_r[1] retain];
-            email_ = [email_r[2] retain];
+        static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
+
+        if (address_r(data, size)) {
+            name_ = [address_r[1] retain];
+            address_ = [address_r[2] retain];
         } else {
-            name_ = [[NSString stringWithCString:data length:size] retain];
-            email_ = nil;
+            name_ = [string retain];
+            address_ = nil;
         }
     } return self;
 }
@@ -365,79 +537,49 @@ class CGColor {
         return color_;
     }
 };
-
-class GSFont {
-  private:
-    GSFontRef font_;
-
-  public:
-    ~GSFont() {
-        CFRelease(font_);
-    }
-};
 /* }}} */
-/* 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
-/* }}} */
+extern "C" void UISetColor(CGColorRef color);
 
 /* 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 Clear_;
-static CGColor Red_;
+static CGColor Off_;
 static CGColor White_;
+static CGColor Gray_;
 
+static NSString *App_;
 static NSString *Home_;
 static BOOL Sounds_Keyboard_;
 
-const char *Firmware_ = NULL;
-const char *Machine_ = NULL;
-const char *SerialNumber_ = NULL;
+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) \
@@ -446,24 +588,32 @@ CGColorSpaceRef space_;
             bugfix <= BugFix_))
 
 bool bootstrap_;
-bool restart_;
+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];
 }
@@ -474,6 +624,10 @@ inline float Interpolate(float begin, float end, float fraction) {
 }
 
 NSString *SizeString(double size) {
+    bool negative = size < 0;
+    if (negative)
+        size = -size;
+
     unsigned power = 0;
     while (size > 1024) {
         size /= 1024;
@@ -482,67 +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]];
 }
 
-static const float TextViewOffset_ = 22;
-
-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];
-
-    [text setBackgroundColor:Clear_];
-
-    CGRect frame = [text frame];
-    [text setFrame:frame];
-    CGRect rect = [text visibleTextRect];
-    frame.size.height = rect.size.height;
-    [text setFrame:frame];
-
-    return text;
+NSString *StripVersion(NSString *version) {
+    NSRange colon = [version rangeOfString:@":"];
+    if (colon.location != NSNotFound)
+        version = [version substringFromIndex:(colon.location + 1)];
+    return version;
 }
 
 NSString *Simplify(NSString *title) {
     const char *data = [title UTF8String];
     size_t size = [title length];
 
-    Pcre title_r("^(.*?)( \\(.*\\))?$");
+    static Pcre square_r("^\\[(.*)\\]$");
+    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 title_r[1];
-    else
-        return title;
+        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;
 
+@interface NSObject (ProgressDelegate)
+@end
+
+@implementation NSObject(ProgressDelegate)
+
+- (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;
+- (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:(UIAlertSheet *)alert;
+- (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:
-    _transient id<ProgressDelegate> delegate_;
+    _transient NSObject<ProgressDelegate> *delegate_;
 
   public:
     Status() :
@@ -562,7 +744,7 @@ class Status :
     }
 
     virtual void Fetch(pkgAcquire::ItemDesc &item) {
-        [delegate_ setProgressTitle:[NSString stringWithCString:("Downloading " + item.ShortDesc).c_str()]];
+        [delegate_ setProgressTitle:[NSString stringWithUTF8String:("Downloading " + item.ShortDesc).c_str()]];
     }
 
     virtual void Done(pkgAcquire::ItemDesc &item) {
@@ -575,7 +757,21 @@ class Status :
         )
             return;
 
-        [delegate_ setProgressError:[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) {
@@ -587,10 +783,11 @@ class Status :
         );
 
         [delegate_ setProgressPercent:percent];
-        return value;
+        return [delegate_ isCancelling:CurrentBytes] ? false : value;
     }
 
     virtual void Start() {
+        [delegate_ startProgress];
     }
 
     virtual void Stop() {
@@ -606,7 +803,7 @@ class Progress :
 
   protected:
     virtual void Update() {
-        [delegate_ setProgressTitle:[NSString stringWithCString:Op.c_str()]];
+        [delegate_ setProgressTitle:[NSString stringWithUTF8String:Op.c_str()]];
         [delegate_ setProgressPercent:(Percent / 100)];
     }
 
@@ -629,6 +826,7 @@ class Progress :
 /* Database Interface {{{ */
 @interface Database : NSObject {
     pkgCacheFile cache_;
+    pkgDepCache::Policy *policy_;
     pkgRecords *records_;
     pkgProblemResolver *resolver_;
     pkgAcquire *fetcher_;
@@ -639,25 +837,35 @@ class Progress :
     NSMutableDictionary *sources_;
     NSMutableArray *packages_;
 
-    _transient id delegate_;
+    _transient NSObject<ConfigurationDelegate, ProgressDelegate> *delegate_;
     Status status_;
     Progress progress_;
+
+    int cydiafd_;
     int statusfd_;
+    FILE *input_;
 }
 
++ (Database *) sharedInstance;
+
+- (void) _readCydia:(NSNumber *)fd;
 - (void) _readStatus:(NSNumber *)fd;
 - (void) _readOutput:(NSNumber *)fd;
 
+- (FILE *) input;
+
 - (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) upgrade;
@@ -683,23 +891,31 @@ class Progress :
 
     NSString *defaultIcon_;
 
+    NSDictionary *record_;
     BOOL trusted_;
 }
 
 - (Source *) initWithMetaIndex:(metaIndex *)index;
 
+- (NSComparisonResult) compareByNameAndType:(Source *)source;
+
+- (NSDictionary *) record;
 - (BOOL) trusted;
 
 - (NSString *) uri;
 - (NSString *) distribution;
 - (NSString *) type;
+- (NSString *) key;
+- (NSString *) host;
 
+- (NSString *) name;
 - (NSString *) description;
 - (NSString *) label;
 - (NSString *) origin;
 - (NSString *) version;
 
 - (NSString *) defaultIcon;
+
 @end
 
 @implementation Source
@@ -719,23 +935,31 @@ class Progress :
         [version_ release];
     if (defaultIcon_ != nil)
         [defaultIcon_ release];
+    if (record_ != nil)
+        [record_ release];
 
     [super dealloc];
 }
 
++ (NSArray *) _attributeKeys {
+    return [NSArray arrayWithObjects:@"description", @"distribution", @"host", @"key", @"label", @"name", @"origin", @"trusted", @"type", @"uri", @"version", nil];
+}
+
+- (NSArray *) attributeKeys {
+    return [[self class] _attributeKeys];
+}
+
++ (BOOL) isKeyExcludedFromWebScript:(const char *)name {
+    return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
+}
+
 - (Source *) initWithMetaIndex:(metaIndex *)index {
     if ((self = [super init]) != nil) {
         trusted_ = index->IsTrusted();
 
-        uri_ = [[NSString stringWithCString:index->GetURI().c_str()] retain];
-        distribution_ = [[NSString stringWithCString:index->GetDist().c_str()] retain];
-        type_ = [[NSString stringWithCString:index->GetType()] retain];
-
-        description_ = nil;
-        label_ = nil;
-        origin_ = nil;
-        version_ = nil;
-        defaultIcon_ = nil;
+        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) {
@@ -752,20 +976,51 @@ class Progress :
                     value = value.substr(1);
 
                 if (name == "Default-Icon")
-                    defaultIcon_ = [[NSString stringWithCString:value.c_str()] retain];
+                    defaultIcon_ = [[NSString stringWithUTF8String:value.c_str()] retain];
                 else if (name == "Description")
-                    description_ = [[NSString stringWithCString:value.c_str()] retain];
+                    description_ = [[NSString stringWithUTF8String:value.c_str()] retain];
                 else if (name == "Label")
-                    label_ = [[NSString stringWithCString:value.c_str()] retain];
+                    label_ = [[NSString stringWithUTF8String:value.c_str()] retain];
                 else if (name == "Origin")
-                    origin_ = [[NSString stringWithCString:value.c_str()] retain];
+                    origin_ = [[NSString stringWithUTF8String:value.c_str()] retain];
                 else if (name == "Version")
-                    version_ = [[NSString stringWithCString:value.c_str()] retain];
+                    version_ = [[NSString stringWithUTF8String:value.c_str()] retain];
             }
         }
+
+        record_ = [Sources_ objectForKey:[self key]];
+        if (record_ != nil)
+            record_ = [record_ retain];
     } return self;
 }
 
+- (NSComparisonResult) compareByNameAndType:(Source *)source {
+    NSDictionary *lhr = [self record];
+    NSDictionary *rhr = [source record];
+
+    if (lhr != rhr)
+        return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
+
+    NSString *lhs = [self name];
+    NSString *rhs = [source 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_];
+}
+
+- (NSDictionary *) record {
+    return record_;
+}
+
 - (BOOL) trusted {
     return trusted_;
 }
@@ -782,12 +1037,24 @@ class Progress :
     return type_;
 }
 
+- (NSString *) key {
+    return [NSString stringWithFormat:@"%@:%@:%@", type_, uri_, distribution_];
+}
+
+- (NSString *) host {
+    return [[[NSURL URLWithString:[self uri]] host] lowercaseString];
+}
+
+- (NSString *) name {
+    return origin_ == nil ? [self host] : origin_;
+}
+
 - (NSString *) description {
     return description_;
 }
 
 - (NSString *) label {
-    return label_;
+    return label_ == nil ? [self host] : label_;
 }
 
 - (NSString *) origin {
@@ -802,6 +1069,41 @@ class Progress :
     return defaultIcon_;
 }
 
+@end
+/* }}} */
+/* Relationship Class {{{ */
+@interface Relationship : NSObject {
+    NSString *type_;
+    NSString *id_;
+}
+
+- (NSString *) type;
+- (NSString *) id;
+- (NSString *) name;
+
+@end
+
+@implementation Relationship
+
+- (void) dealloc {
+    [type_ release];
+    [id_ release];
+    [super dealloc];
+}
+
+- (NSString *) type {
+    return type_;
+}
+
+- (NSString *) id {
+    return id_;
+}
+
+- (NSString *) name {
+    _assert(false);
+    return nil;
+}
+
 @end
 /* }}} */
 /* Package Class {{{ */
@@ -816,14 +1118,15 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         if (
             value < end &&
             *colon == ':' &&
-            memcmp(name, field, l) == 0
+            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;
-            return [NSString stringWithCString:value length:(line - value)];
+
+            return [NSString stringWithUTF8Bytes:value length:(line - value)];
         } else {
             begin = std::find(begin, end, '\n');
             if (begin == end)
@@ -838,7 +1141,11 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     _transient Database *database_;
     pkgCache::VerIterator version_;
     pkgCache::VerFileIterator file_;
+
     Source *source_;
+    bool cached_;
+
+    NSString *section_;
 
     NSString *latest_;
     NSString *installed_;
@@ -847,53 +1154,95 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     NSString *name_;
     NSString *tagline_;
     NSString *icon_;
-    NSString *website_;
+    NSString *depiction_;
+    NSString *homepage_;
+    Address *sponsor_;
+    Address *author_;
+    NSArray *tags_;
+    NSString *role_;
+
+    NSArray *relationships_;
 }
 
-- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database version:(pkgCache::VerIterator)version file:(pkgCache::VerFileIterator)file;
+- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
 
+- (pkgCache::PkgIterator) iterator;
+
 - (NSString *) section;
 - (Address *) maintainer;
 - (size_t) size;
 - (NSString *) description;
 - (NSString *) index;
 
+- (NSMutableDictionary *) metadata;
 - (NSDate *) seen;
+- (BOOL) subscribed;
+- (BOOL) ignored;
 
 - (NSString *) latest;
 - (NSString *) installed;
-- (BOOL) upgradable;
+
+- (BOOL) valid;
+- (BOOL) upgradableAndEssential:(BOOL)essential;
 - (BOOL) essential;
 - (BOOL) broken;
+- (BOOL) unfiltered;
+- (BOOL) visible;
+
+- (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) compareBySection:(Package *)package;
-- (NSComparisonResult) compareBySectionAndName:(Package *)package;
-- (NSComparisonResult) compareForChanges:(Package *)package;
+
+- (uint32_t) compareForChanges;
 
 - (void) install;
 - (void) remove;
 
-- (NSNumber *) isSearchedForBy:(NSString *)search;
-- (NSNumber *) isInstalledInSection:(NSString *)section;
-- (NSNumber *) isUninstalledInSection:(NSString *)section;
+- (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];
@@ -904,84 +1253,194 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     [tagline_ release];
     if (icon_ != nil)
         [icon_ release];
-    if (website_ != nil)
-        [website_ release];
-
-    [source_ 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);
+        }
 
-        const char *begin, *end;
-        parser->GetRec(begin, end);
+        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];
+        }
 
-        latest_ = [[NSString stringWithCString:version_.VerStr()] retain];
-        installed_ = iterator_.CurrentVer().end() ? nil : [[NSString stringWithCString:iterator_.CurrentVer().VerStr()] retain];
+        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;
+                }
+            }
 
-        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 *solid(latest == nil ? installed : latest);
+        bool changed(false);
 
-        source_ = [[database_ getSource:file_.File()] retain];
+        NSString *key([id_ lowercaseString]);
 
-        NSMutableDictionary *metadata = [Packages_ objectForKey:id_];
-        if (metadata == nil || [metadata count] == 0) {
-            metadata = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+        NSMutableDictionary *metadata = [Packages_ objectForKey:key];
+        if (metadata == nil) {
+            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 {
+    if (section_ != nil)
+        return section_;
+
     const char *section = iterator_.Section();
-    return section == NULL ? nil : [[NSString stringWithCString:section] stringByReplacingCharacter:'_' withCharacter:' '];
+    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)];
@@ -1002,8 +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 {
@@ -1014,11 +1497,19 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return installed_;
 }
 
-- (BOOL) upgradable {
-    if (NSString *installed = [self installed])
-        return [[self latest] compare:installed] != NSOrderedSame ? YES : NO;
-    else
-        return [self essential];
+- (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 {
@@ -1026,7 +1517,68 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 }
 
 - (BOOL) broken {
-    return (*[database_ cache])[iterator_].InstBroken();
+    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 {
@@ -1041,18 +1593,141 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return tagline_;
 }
 
-- (NSString *) icon {
-    return icon_;
+- (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;
 }
 
-- (NSString *) website {
-    return website_;
+- (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;
@@ -1074,6 +1749,43 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     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];
@@ -1088,7 +1800,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
             return NSOrderedDescending;
     }
 
-    return [lhs caseInsensitiveCompare:rhs];
+    return [lhs compare:rhs options:CompareOptions_];
 }
 
 - (NSComparisonResult) compareBySection:(Package *)package {
@@ -1100,7 +1812,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     else if (lhs != NULL && rhs == NULL)
         return NSOrderedDescending;
     else if (lhs != NULL && rhs != NULL) {
-        NSComparisonResult result = [lhs compare:rhs];
+        NSComparisonResult result = [lhs compare:rhs options:CompareOptions_];
         if (result != NSOrderedSame)
             return result;
     }
@@ -1108,43 +1820,30 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return NSOrderedSame;
 }
 
-- (NSComparisonResult) compareBySectionAndName:(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];
-        if (result != NSOrderedSame)
-            return result;
-    }
+- (uint32_t) compareForChanges {
+    union {
+        uint32_t key;
 
-    return [self compareByName:package];
-}
+        struct {
+            uint32_t timestamp : 30;
+            uint32_t ignored : 1;
+            uint32_t upgradable : 1;
+        } bits;
+    } value;
 
-- (NSComparisonResult) compareForChanges:(Package *)package {
-    BOOL lhs = [self upgradable];
-    BOOL rhs = [package upgradable];
+    value.bits.upgradable = [self upgradableAndEssential:YES] ? 1 : 0;
 
-    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);
-        }
+    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 [self compareByName:package];
+    return _not(uint32_t) - value.key;
 }
 
 - (void) install {
@@ -1166,16 +1865,33 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     [database_ cache]->MarkDelete(iterator_, true);
 }
 
-- (NSNumber *) isSearchedForBy:(NSString *)search {
-    return [NSNumber numberWithBool:[self matches:search]];
+- (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 *) isInstalledInSection:(NSString *)section {
-    return [NSNumber numberWithBool:([self installed] != nil && (section == nil || [section isEqualToString:[self section]]))];
+- (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 *) isUninstalledInSection:(NSString *)section {
-    return [NSNumber numberWithBool:([self installed] == nil && (section == nil || [section isEqualToString:[self section]]))];
+- (NSNumber *) isVisibleInSource:(Source *)source {
+    return [NSNumber numberWithBool:([self source] == source && [self visible])];
 }
 
 @end
@@ -1187,6 +1903,8 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     size_t count_;
 }
 
+- (NSComparisonResult) compareByName:(Section *)section;
+- (Section *) initWithName:(NSString *)name;
 - (Section *) initWithName:(NSString *)name row:(size_t)row;
 - (NSString *) name;
 - (size_t) row;
@@ -1202,6 +1920,27 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     [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];
@@ -1228,77 +1967,117 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 @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) _readStatus:(NSNumber *)fd {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
+- (void) _readCydia:(NSNumber *)fd { _pooled
     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
     std::istream is(&ib);
     std::string line;
 
-    const char *error;
-    int offset;
-    pcre *code = pcre_compile("^([^:]*):([^:]*):([^:]*):(.*)$", 0, &error, &offset, NULL);
-
-    pcre_extra *study = NULL;
-    int capture;
-    pcre_fullinfo(code, study, PCRE_INFO_CAPTURECOUNT, &capture);
-    int matches[(capture + 1) * 3];
+    static Pcre finish_r("^finish:([^:]*)$");
 
     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);
+}
 
-        _assert(pcre_exec(code, study, data, line.size(), 0, 0, matches, sizeof(matches) / sizeof(matches[0])) >= 0);
+- (void) _readStatus:(NSNumber *)fd { _pooled
+    __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
+    std::istream is(&ib);
+    std::string line;
 
-        std::istringstream buffer(line.substr(matches[6], matches[7] - matches[6]));
-        float percent;
-        buffer >> percent;
-        [delegate_ setProgressPercent:(percent / 100)];
+    static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
+    static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
 
-        NSString *string = [NSString stringWithCString:(data + matches[8]) length:(matches[9] - matches[8])];
-        std::string type(line.substr(matches[2], matches[3] - matches[2]));
+    while (std::getline(is, line)) {
+        const char *data(line.c_str());
+        size_t size = line.size();
+        lprintf("S:%s\n", data);
 
-        if (type == "pmerror")
-            [delegate_ setProgressError:string];
-        else if (type == "pmstatus")
+        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 (type == "pmconffile")
-            ;
-        else _assert(false);
+        } 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);
     }
 
-    [pool release];
     _assert(false);
 }
 
-- (void) _readOutput:(NSNumber *)fd {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
+- (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))
-        [delegate_ addProgressOutput:[NSString stringWithCString:line.c_str()]];
+    while (std::getline(is, line)) {
+        lprintf("O:%s\n", line.c_str());
+        [delegate_ addProgressOutput:[NSString stringWithUTF8String:line.c_str()]];
+    }
 
-    [pool release];
     _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;
@@ -1309,6 +2088,18 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 
         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];
 
@@ -1318,6 +2109,12 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
             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);
@@ -1334,6 +2131,10 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return cache_;
 }
 
+- (pkgDepCache::Policy *) policy {
+    return policy_;
+}
+
 - (pkgRecords *) records {
     return records_;
 }
@@ -1350,25 +2151,115 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     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)) {
-        fprintf(stderr, "repairing corrupted database...\n");
+        std::string error;
+        if (!_error->PopMessage(error))
+            _assert(false);
         _error->Discard();
-        [self updateWithStatus:status_];
-        _assert(cache_.Open(progress_, true));
+        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_);
@@ -1377,6 +2268,15 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     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();
@@ -1390,8 +2290,41 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     [packages_ removeAllObjects];
     for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
         if (Package *package = [Package packageWithIterator:iterator database:self])
-            if ([package source] != nil || [package installed] != nil)
-                [packages_ addObject:package];
+            [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 {
@@ -1411,41 +2344,70 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 }
 
 - (void) perform {
-    pkgSourceList list;
-    _assert(list.ReadMainList());
+    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()]];
+    }
 
-    /*std::map<std::string> before;
+    if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
+        _trace();
+        return;
+    }
 
-    for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source)
-        before.add((*source)->GetURI().c_str());
-    exit(0);*/
+    bool failed = false;
+    for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
+        if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
+            continue;
 
-    if (fetcher_->Run(PulseInterval_) != pkgAcquire::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 (result == pkgPackageManager::Failed)
+    if (_error->PendingError()) {
+        _trace();
         return;
-    if (_error->PendingError())
+    }
+
+    if (result == pkgPackageManager::Failed) {
+        _trace();
         return;
-    if (result != pkgPackageManager::Completed)
+    }
+
+    if (result != pkgPackageManager::Completed) {
+        _trace();
         return;
+    }
 
-    _assert(list.ReadMainList());
+    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(cache_->DelCount() == 0 && cache_->InstCount() == 0);
-    _assert(pkgApplyStatus(cache_));
-
-    if (cache_->BrokenCount() != 0) {
-        _assert(pkgFixBroken(cache_));
-        _assert(cache_->BrokenCount() == 0);
-        _assert(pkgMinimizeUpgrade(cache_));
-    }
-
     _assert(pkgDistUpgrade(cache_));
 }
 
@@ -1478,6 +2440,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         }
 
         [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
+        Changed_ = true;
     }
 }
 
@@ -1496,624 +2459,392 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 @end
 /* }}} */
 
-/* RVPage Interface {{{ */
-@class RVBook;
-
-@interface RVPage : UIView {
-    _transient RVBook *book_;
+/* PopUp Windows {{{ */
+@interface PopUpView : UIView {
     _transient id delegate_;
+    UITransitionView *transition_;
+    UIView *overlay_;
 }
 
-- (NSString *) title;
-- (NSString *) backButtonTitle;
-- (NSString *) rightButtonTitle;
-- (NSString *) leftButtonTitle;
-- (UIView *) accessoryView;
-
-- (void) _rightButtonClicked;
-- (void) _leftButtonClicked;
-
-- (void) setPageActive:(BOOL)active;
-- (void) resetViewAnimated:(BOOL)animated;
-
-- (void) setTitle:(NSString *)title;
-- (void) setBackButtonTitle:(NSString *)title;
+- (void) cancel;
+- (id) initWithView:(UIView *)view delegate:(id)delegate;
 
-- (void) reloadButtons;
-- (void) reloadData;
+@end
 
-- (id) initWithBook:(RVBook *)book;
+@implementation PopUpView
 
-- (void) setDelegate:(id)delegate;
+- (void) dealloc {
+    [transition_ setDelegate:nil];
+    [transition_ release];
+    [overlay_ release];
+    [super dealloc];
+}
 
-@end
-/* }}} */
-/* Reset View {{{ */
-@protocol RVDelegate
-- (void) setPageActive:(BOOL)active with:(id)object;
-- (void) resetViewAnimated:(BOOL)animated with:(id)object;
-- (void) reloadDataWith:(id)object;
-@end
+- (void) cancel {
+    [transition_ transition:UITransitionPushFromTop toView:nil];
+}
 
-@interface RVBook : UIView {
-    NSMutableArray *pages_;
-    UINavigationBar *navbar_;
-    UITransitionView *transition_;
-    BOOL resetting_;
-    _transient id delegate_;
+- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
+    if (from != nil && to == nil)
+        [self removeFromSuperview];
 }
 
-- (id) initWithFrame:(CGRect)frame;
-- (void) setDelegate:(id)delegate;
+- (id) initWithView:(UIView *)view delegate:(id)delegate {
+    if ((self = [super initWithFrame:[view bounds]]) != nil) {
+        delegate_ = delegate;
 
-- (void) setPage:(RVPage *)page;
+        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
+        [self addSubview:transition_];
 
-- (void) pushPage:(RVPage *)page;
-- (void) popPages:(unsigned)pages;
+        overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
 
-- (void) setPrompt:(NSString *)prompt;
+        [view addSubview:self];
 
-- (void) resetViewAnimated:(BOOL)animated;
-- (void) resetViewAnimated:(BOOL)animated toPage:(RVPage *)page;
+        [transition_ setDelegate:self];
 
-- (void) setTitle:(NSString *)title forPage:(RVPage *)page;
-- (void) setBackButtonTitle:(NSString *)title forPage:(RVPage *)page;
-- (void) reloadButtonsForPage:(RVPage *)page;
+        UIView *blank = [[[UIView alloc] initWithFrame:[transition_ bounds]] autorelease];
+        [transition_ transition:UITransitionNone toView:blank];
+        [transition_ transition:UITransitionPushFromBottom toView:overlay_];
+    } return self;
+}
 
-- (void) reloadData;
+@end
+/* }}} */
 
-- (CGRect) pageBounds;
+/* Mail Composition {{{ */
+@interface MailToView : PopUpView {
+    MailComposeController *controller_;
+}
+
+- (id) initWithView:(UIView *)view delegate:(id)delegate url:(NSURL *)url;
 
 @end
 
-@implementation RVBook
+@implementation MailToView
 
 - (void) dealloc {
-    [navbar_ setDelegate:nil];
-
-    [pages_ release];
-    [navbar_ release];
-    [transition_ release];
+    [controller_ release];
     [super dealloc];
 }
 
-- (void) navigationBar:(UINavigationBar *)navbar buttonClicked:(int)button {
-    _assert([pages_ count] != 0);
-    RVPage *page = [pages_ lastObject];
-    switch (button) {
-        case 0: [page _rightButtonClicked]; break;
-        case 1: [page _leftButtonClicked]; break;
-    }
+- (void) mailComposeControllerWillAttemptToSend:(MailComposeController *)controller {
+    NSLog(@"will");
 }
 
-- (void) navigationBar:(UINavigationBar *)navbar poppedItem:(UINavigationItem *)item {
-    _assert([pages_ count] != 0);
-    if (!resetting_)
-        [[pages_ lastObject] setPageActive:NO];
-    [pages_ removeLastObject];
-    if (!resetting_)
-        [self resetViewAnimated:YES toPage:[pages_ lastObject]];
+- (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];
+}
 }
 
-- (id) initWithFrame:(CGRect)frame {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        pages_ = [[NSMutableArray arrayWithCapacity:4] retain];
-
-        struct CGRect bounds = [self bounds];
-        CGSize navsize = [UINavigationBar defaultSizeWithPrompt];
-        CGRect navrect = {{0, 0}, navsize};
+- (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];
+}
 
-        navbar_ = [[UINavigationBar alloc] initWithFrame:navrect];
-        [self addSubview:navbar_];
+- (void) deliverMessage { _pooled
+    setuid(501);
+    setgid(501);
 
-        [navbar_ setBarStyle:1];
-        [navbar_ setDelegate:self];
+    if (![controller_ deliverMessage])
+        [self performSelectorOnMainThread:@selector(showError) withObject:nil waitUntilDone:NO];
+}
 
-        [navbar_ setPrompt:@""];
+- (void) mailComposeControllerCompositionFinished:(MailComposeController *)controller {
+    if ([controller_ needsDelivery])
+        [NSThread detachNewThreadSelector:@selector(deliverMessage) toTarget:self withObject:nil];
+    else
+        [self cancel];
+}
 
-        transition_ = [[UITransitionView alloc] initWithFrame:CGRectMake(
-            bounds.origin.x, bounds.origin.y + navsize.height, bounds.size.width, bounds.size.height - navsize.height
-        )];
+- (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];
 
-        [self addSubview:transition_];
+        UIView *view([controller_ view]);
+        [overlay_ addSubview:view];
     } return self;
 }
 
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
-}
-
-- (void) setPage:(RVPage *)page {
-    if ([pages_ count] != 0)
-        [[pages_ lastObject] setPageActive:NO];
-
-    [navbar_ disableAnimation];
-    resetting_ = true;
-    for (unsigned i(0), pages([pages_ count]); i != pages; ++i)
-        [navbar_ popNavigationItem];
-    resetting_ = false;
+@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;
+        }
 
-    [self pushPage:page];
-    [navbar_ enableAnimation];
+    return false;
 }
 
-- (void) pushPage:(RVPage *)page {
-    if ([pages_ count] != 0)
-        [[pages_ lastObject] setPageActive:NO];
-
-    NSString *title = Simplify([page title]);
+@protocol ConfirmationViewDelegate
+- (void) cancel;
+- (void) confirm;
+@end
 
-    NSString *backButtonTitle = [page backButtonTitle];
-    if (backButtonTitle == nil)
-        backButtonTitle = title;
+@interface ConfirmationView : BrowserView {
+    _transient Database *database_;
+    UIActionSheet *essential_;
+    NSArray *changes_;
+    NSArray *issues_;
+    NSArray *sizes_;
+    BOOL substrate_;
+}
 
-    UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:title] autorelease];
-    [navitem setBackButtonTitle:backButtonTitle];
-    [navbar_ pushNavigationItem:navitem];
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
 
-    BOOL animated = [pages_ count] == 0 ? NO : YES;
-    [transition_ transition:(animated ? 1 : 0) toView:page];
-    [page setPageActive:YES];
+@end
 
-    [pages_ addObject:page];
-    [self reloadButtonsForPage:page];
+@implementation ConfirmationView
 
-    [navbar_ setAccessoryView:[page accessoryView] animate:animated goingBack:NO];
+- (void) dealloc {
+    [changes_ release];
+    if (issues_ != nil)
+        [issues_ release];
+    [sizes_ release];
+    if (essential_ != nil)
+        [essential_ release];
+    [super dealloc];
 }
 
-- (void) popPages:(unsigned)pages {
-    if (pages == 0)
-        return;
+- (void) cancel {
+    [delegate_ cancel];
+    [book_ popFromSuperviewAnimated:YES];
+}
 
-    [[pages_ lastObject] setPageActive:NO];
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    NSString *context = [sheet context];
 
-    resetting_ = true;
-    for (unsigned i(0); i != pages; ++i)
-        [navbar_ popNavigationItem];
-    resetting_ = false;
+    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];
 
-    [self resetViewAnimated:YES toPage:[pages_ lastObject]];
+    [sheet dismiss];
 }
 
-- (void) setPrompt:(NSString *)prompt {
-    [navbar_ setPrompt:prompt];
+- (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];
 }
 
-- (void) resetViewAnimated:(BOOL)animated {
-    resetting_ = true;
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
 
-    if ([pages_ count] > 1) {
-        [navbar_ disableAnimation];
-        while ([pages_ count] != (animated ? 2 : 1))
-            [navbar_ popNavigationItem];
-        [navbar_ enableAnimation];
-        if (animated)
-            [navbar_ popNavigationItem];
-    }
+        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];
 
-    resetting_ = false;
+        bool remove(false);
 
-    [self resetViewAnimated:animated toPage:[pages_ lastObject]];
-}
+        pkgDepCache::Policy *policy([database_ policy]);
 
-- (void) resetViewAnimated:(BOOL)animated toPage:(RVPage *)page {
-    [page resetViewAnimated:animated];
-    [transition_ transition:(animated ? 2 : 0) toView:page];
-    [page setPageActive:YES];
-    [self reloadButtonsForPage:page];
-    [navbar_ setAccessoryView:[page accessoryView] animate:animated goingBack:YES];
-}
+        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]);
 
-- (void) setTitle:(NSString *)title forPage:(RVPage *)page {
-    if ([pages_ count] == 0 || page != [pages_ lastObject])
-        return;
-    UINavigationItem *navitem = [navbar_ topItem];
-    [navitem setTitle:title];
-}
+            NSString *name([package name]);
 
-- (void) setBackButtonTitle:(NSString *)title forPage:(RVPage *)page {
-    if ([pages_ count] == 0 || page != [pages_ lastObject])
-        return;
-    UINavigationItem *navitem = [navbar_ topItem];
-    [navitem setBackButtonTitle:title];
-}
+            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;
 
-- (void) reloadButtonsForPage:(RVPage *)page {
-    if ([pages_ count] == 0 || page != [pages_ lastObject])
-        return;
-    NSString *leftButtonTitle([pages_ count] == 1 ? [page leftButtonTitle] : nil);
-    [navbar_ showButtonsWithLeftTitle:leftButtonTitle rightTitle:[page rightButtonTitle]];
-}
+            substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
+            substrate_ |= DepSubstrate(iterator.CurrentVer());
+        }
 
-- (void) reloadData {
-    for (int i(0), e([pages_ count]); i != e; ++i) {
-        RVPage *page([pages_ objectAtIndex:(e - i - 1)]);
-        [page reloadData];
-    }
-}
+        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"
+            ];
 
-- (CGRect) pageBounds {
-    return [transition_ bounds];
-}
+#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"
+            ];
 
-@end
-/* }}} */
-/* RVPage Implementation {{{ */
-@implementation RVPage
+            [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."];
+        }
 
-- (NSString *) title {
-    [self doesNotRecognizeSelector:_cmd];
-    return nil;
+        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 nil;
+    return @"Confirm";
 }
 
 - (NSString *) leftButtonTitle {
-    return nil;
+    return @"Cancel";
 }
 
-- (NSString *) rightButtonTitle {
-    return nil;
-}
-
-- (void) _rightButtonClicked {
-    [self doesNotRecognizeSelector:_cmd];
+- (NSString *) _rightButtonTitle {
+    return issues_ == nil ? @"Confirm" : nil;
 }
 
 - (void) _leftButtonClicked {
-    [self doesNotRecognizeSelector:_cmd];
-}
-
-- (UIView *) accessoryView {
-    return nil;
+    [self cancel];
 }
 
-- (void) setPageActive:(BOOL)active {
+- (void) _rightButtonClicked {
+    if (essential_ != nil)
+        [essential_ popupAlertAnimated:YES];
+    else {
+        if (substrate_)
+            Finish_ = 2;
+        [delegate_ confirm];
+    }
 }
 
-- (void) resetViewAnimated:(BOOL)animated {
-    [self doesNotRecognizeSelector:_cmd];
-}
+@end
+/* }}} */
 
-- (void) setTitle:(NSString *)title {
-    [book_ setTitle:title forPage:self];
+/* Progress Data {{{ */
+@interface ProgressData : NSObject {
+    SEL selector_;
+    id target_;
+    id object_;
 }
 
-- (void) setBackButtonTitle:(NSString *)title {
-    [book_ setBackButtonTitle:title forPage:self];
-}
+- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object;
 
-- (void) reloadButtons {
-    [book_ reloadButtonsForPage:self];
-}
+- (SEL) selector;
+- (id) target;
+- (id) object;
+@end
 
-- (void) reloadData {
-}
+@implementation ProgressData
 
-- (id) initWithBook:(RVBook *)book {
-    if ((self = [super initWithFrame:[book pageBounds]]) != nil) {
-        book_ = book;
+- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object {
+    if ((self = [super init]) != nil) {
+        selector_ = selector;
+        target_ = target;
+        object_ = object;
     } return self;
 }
 
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
+- (SEL) selector {
+    return selector_;
 }
 
-@end
-/* }}} */
-
-/* Confirmation View {{{ */
-void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString *key) {
-    if ([packages count] == 0)
-        return;
-
-    UITextView *text = GetTextView([packages count] == 0 ? @"n/a" : [packages componentsJoinedByString:@", "], 120, false);
-    [fields setObject:text forKey:key];
+- (id) target {
+    return target_;
+}
 
-    CGColor blue(space_, 0, 0, 0.4, 1);
-    [text setTextColor:blue];
+- (id) object {
+    return object_;
 }
 
-@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_;
-}
-
-- (void) cancel;
-
-- (id) initWithView:(UIView *)view database:(Database *)database delegate:(id)delegate;
-
-@end
-
-@implementation ConfirmationView
-
-- (void) dealloc {
-    [navbar_ setDelegate:nil];
-    [transition_ setDelegate:nil];
-    [table_ setDataSource:nil];
-
-    [transition_ release];
-    [overlay_ release];
-    [navbar_ release];
-    [table_ release];
-    [fields_ release];
-    if (essential_ != nil)
-        [essential_ release];
-    [super dealloc];
-}
-
-- (void) cancel {
-    [transition_ transition:7 toView:nil];
-    [delegate_ cancel];
-}
-
-- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
-    if (from != nil && to == nil)
-        [self removeFromSuperview];
-}
-
-- (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;
-    }
-}
-
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [essential_ dismiss];
-    [self cancel];
-}
-
-- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
-    return 2;
-}
-
-- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
-    switch (group) {
-        case 0: return @"Statistics";
-        case 1: return @"Modifications";
-
-        default: _assert(false);
-    }
-}
-
-- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
-    switch (group) {
-        case 0: return 3;
-        case 1: return [fields_ count];
-
-        default: _assert(false);
-    }
-}
-
-- (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_;
-    }
-}
-
-- (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:@"Downloading"];
-                [cell setValue:SizeString([database_ fetcher].FetchNeeded())];
-            } break;
-
-            case 1: {
-                [cell setTitle:@"Resuming At"];
-                [cell setValue:SizeString([database_ fetcher].PartialPresent())];
-            } break;
-
-            case 2: {
-                double size([database_ cache]->UsrSize());
-
-                if (size < 0) {
-                    [cell setTitle:@"Disk Freeing"];
-                    [cell setValue:SizeString(-size)];
-                } else {
-                    [cell setTitle:@"Disk Using"];
-                    [cell setValue:SizeString(size)];
-                }
-            } break;
-
-            default: _assert(false);
-        } break;
-
-        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 *reinstalling = [NSMutableArray arrayWithCapacity:16];
-        NSMutableArray *upgrading = [NSMutableArray arrayWithCapacity:16];
-        NSMutableArray *downgrading = [NSMutableArray arrayWithCapacity:16];
-        NSMutableArray *removing = [NSMutableArray arrayWithCapacity:16];
-
-        bool remove(false);
-
-        pkgCacheFile &cache([database_ cache]);
-        for (pkgCache::PkgIterator iterator = cache->PkgBegin(); !iterator.end(); ++iterator) {
-            Package *package([Package packageWithIterator:iterator database:database_]);
-            NSString *name([package name]);
-            bool essential((iterator->Flags & pkgCache::Flag::Essential) != 0);
-            pkgDepCache::StateCache &state(cache[iterator]);
-
-            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 (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_, reinstalling, @"Reinstalling");
-        AddTextView(fields_, upgrading, @"Upgrading");
-        AddTextView(fields_, downgrading, @"Downgrading");
-        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
-/* }}} */
-
-/* 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 <
-    ProgressDelegate
-> {
-    UIView *view_;
-    UIView *background_;
+/* }}} */
+/* 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;
 
-- (ProgressView *) initWithFrame:(struct CGRect)frame delegate:(id)delegate;
+- (id) initWithFrame:(struct CGRect)frame database:(Database *)database delegate:(id)delegate;
 - (void) setContentView:(UIView *)view;
 - (void) resetView;
 
@@ -2121,6 +2852,8 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 - (void) _detachNewThreadData:(ProgressData *)data;
 - (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title;
 
+- (BOOL) isRunning;
+
 @end
 
 @protocol ProgressViewDelegate
@@ -2142,6 +2875,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [progress_ release];
     [output_ release];
     [status_ release];
+    [close_ release];
     [super dealloc];
 }
 
@@ -2150,8 +2884,9 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         exit(0);
 }
 
-- (ProgressView *) initWithFrame:(struct CGRect)frame delegate:(id)delegate {
+- (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]];
@@ -2160,10 +2895,10 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
 
         if (bootstrap_)
-            [overlay_ setBackgroundColor:Black_];
+            [overlay_ setBackgroundColor:[UIColor blackColor]];
         else {
             background_ = [[UIView alloc] initWithFrame:[self bounds]];
-            [background_ setBackgroundColor:Black_];
+            [background_ setBackgroundColor:[UIColor blackColor]];
             [self addSubview:background_];
         }
 
@@ -2190,7 +2925,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         }, prgsize};
 
         progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
-        [overlay_ addSubview:progress_];
+        [progress_ setStyle:0];
 
         status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(
             10,
@@ -2199,8 +2934,8 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
             24
         )];
 
-        [status_ setColor:White_];
-        [status_ setBackgroundColor:Clear_];
+        [status_ setColor:[UIColor whiteColor]];
+        [status_ setBackgroundColor:[UIColor clearColor]];
 
         [status_ setCentersHorizontally:YES];
         //[status_ setFont:font];
@@ -2215,16 +2950,33 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         //[output_ setTextFont:@"Courier New"];
         [output_ setTextSize:12];
 
-        [output_ setTextColor:White_];
-        [output_ setBackgroundColor:Clear_];
+        [output_ setTextColor:[UIColor whiteColor]];
+        [output_ setBackgroundColor:[UIColor clearColor]];
 
         [output_ setMarginTop:0];
         [output_ setAllowsRubberBanding:YES];
+        [output_ setEditable:NO];
 
         [overlay_ addSubview:output_];
-        [overlay_ addSubview:status_];
 
-        [progress_ setStyle:0];
+        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;
 }
 
@@ -2236,35 +2988,179 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [transition_ transition:6 toView:view_];
 }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
+- (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) _retachThread {
-    [delegate_ progressViewIsComplete:self];
-    [self resetView];
-}
+- (void) closeButtonPushed {
+    running_ = NO;
 
-- (void) _detachNewThreadData:(ProgressData *)data {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+    switch (Finish_) {
+        case 0:
+            [self resetView];
+        break;
 
-    [[data target] performSelector:[data selector] withObject:[data object]];
-    [data release];
+        case 1:
+            [delegate_ suspendWithAnimation:YES];
+        break;
 
-    [self performSelectorOnMainThread:@selector(_retachThread) withObject:nil waitUntilDone:YES];
+        case 2:
+            system("launchctl stop com.apple.SpringBoard");
+        break;
+
+        case 3:
+            system("launchctl unload "SpringBoard_"; launchctl load "SpringBoard_);
+        break;
 
-    [pool release];
+        case 4:
+            system("reboot");
+        break;
+    }
 }
 
-- (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) _retachThread {
+    UINavigationItem *item = [navbar_ topItem];
+    [item setTitle:@"Complete"];
 
-    [status_ setText:nil];
+    [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
@@ -2278,14 +3174,38 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     ];
 }
 
-- (void) setProgressError:(NSString *)error {
+- (void) repairWithSelector:(SEL)selector {
+    [self
+        detachNewThreadSelector:selector
+        toTarget:database_
+        withObject:nil
+        title:@"Repairing"
+    ];
+}
+
+- (void) setConfigurationData:(NSString *)data {
     [self
-        performSelectorOnMainThread:@selector(_setProgressError:)
-        withObject:error
+        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:)
@@ -2302,6 +3222,10 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     ];
 }
 
+- (void) startProgress {
+    last_ = [NSDate timeIntervalSinceReferenceDate];
+}
+
 - (void) addProgressOutput:(NSString *)output {
     [self
         performSelectorOnMainThread:@selector(_addProgressOutput:)
@@ -2310,21 +3234,48 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     ];
 }
 
-- (void) _setProgressError:(NSString *)error {
-    UIAlertSheet *sheet = [[[UIAlertSheet alloc]
-        initWithTitle:@"Package Error"
-        buttons:[NSArray arrayWithObjects:@"Okay", nil]
+- (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:self
+        context:@"conffile"
     ] autorelease];
 
-    [sheet setBodyText:error];
+    [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 stringByAppendingString:@"..."]];
+    [status_ setText:title];
 }
 
 - (void) _setProgressPercent:(NSNumber *)percent {
@@ -2338,283 +3289,300 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [output_ scrollRectToVisible:rect animated:YES];
 }
 
+- (BOOL) isRunning {
+    return running_;
+}
+
 @end
 /* }}} */
 
 /* Package Cell {{{ */
-@interface PackageCell : UITableCell {
-    UIImageView *icon_;
-    UITextLabel *name_;
-    UITextLabel *description_;
-    UITextLabel *source_;
-    UIImageView *trusted_;
+@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;
 
-- (void) _setSelected:(float)fraction;
-- (void) setSelected:(BOOL)selected;
-- (void) setSelected:(BOOL)selected withFade:(BOOL)fade;
-- (void) _setSelectionFadeFraction:(float)fraction;
++ (int) heightForPackage:(Package *)package;
 
 @end
 
 @implementation PackageCell
 
-- (void) dealloc {
-    [icon_ release];
-    [name_ release];
-    [description_ release];
-    [source_ release];
-    [trusted_ release];
-    [super dealloc];
-}
-
-- (PackageCell *) init {
-    if ((self = [super init]) != nil) {
-        GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 20);
-        GSFontRef large = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 12);
-        GSFontRef small = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 14);
-
-        icon_ = [[UIImageView alloc] initWithFrame:CGRectMake(10, 10, 30, 30)];
+- (void) clearPackage {
+    if (icon_ != nil) {
+        [icon_ release];
+        icon_ = nil;
+    }
 
-        name_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 8, 240, 25)];
-        [name_ setBackgroundColor:Clear_];
-        [name_ setFont:bold];
+    if (name_ != nil) {
+        [name_ release];
+        name_ = nil;
+    }
 
-        source_ = [[UITextLabel alloc] initWithFrame:CGRectMake(58, 28, 225, 20)];
-        [source_ setBackgroundColor:Clear_];
-        [source_ setFont:large];
+    if (description_ != nil) {
+        [description_ release];
+        description_ = nil;
+    }
 
-        description_ = [[UITextLabel alloc] initWithFrame:CGRectMake(12, 46, 280, 20)];
-        [description_ setBackgroundColor:Clear_];
-        [description_ setFont:small];
+    if (source_ != nil) {
+        [source_ release];
+        source_ = nil;
+    }
 
-        trusted_ = [[UIImageView alloc] initWithFrame:CGRectMake(30, 30, 16, 16)];
-        [trusted_ setImage:[UIImage applicationImageNamed:@"trusted.png"]];
+    if (badge_ != nil) {
+        [badge_ release];
+        badge_ = nil;
+    }
+}
 
-        [self addSubview:icon_];
-        [self addSubview:name_];
-        [self addSubview:description_];
-        [self addSubview:source_];
+- (void) dealloc {
+    [self clearPackage];
+#ifdef USE_BADGES
+    [status_ release];
+#endif
+    [super dealloc];
+}
 
-        CFRelease(small);
-        CFRelease(large);
-        CFRelease(bold);
+- (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 {
-    Source *source = [package source];
+    [self clearPackage];
 
-    UIImage *image = nil;
-    if (NSString *icon = [package icon])
-        image = [UIImage imageAtPath:[icon substringFromIndex:6]];
-    if (image == nil) if (NSString *icon = [source defaultIcon])
-        image = [UIImage imageAtPath:[icon substringFromIndex:6]];
-    if (image == nil)
-        image = [UIImage applicationImageNamed:@"unknown.png"];
-    [icon_ setImage:image];
-
-    if (image != nil) {
-        CGSize size = [image size];
-        float scale = 30 / std::max(size.width, size.height);
-        [icon_ zoomToScale:scale];
-    }
+    Source *source = [package source];
+    NSString *section = [package section];
+    if (section != nil)
+        section = Simplify(section);
 
-    [icon_ setFrame:CGRectMake(10, 10, 30, 30)];
+    icon_ = [[package icon] retain];
 
-    [name_ setText:[package name]];
-    [description_ setText:[package tagline]];
+    name_ = [[package name] retain];
+    description_ = [[package tagline] retain];
 
-    NSString *label;
-    bool trusted;
+    NSString *label = nil;
+    bool trusted = false;
 
     if (source != nil) {
         label = [source label];
         trusted = [source trusted];
-    } else if ([[package id] isEqualToString:@"firmware"]) {
+    } else if ([[package id] isEqualToString:@"firmware"])
         label = @"Apple";
-        trusted = false;
-    } else {
+    else
         label = @"Unknown/Local";
-        trusted = false;
-    }
 
-    [source_ setText:[NSString stringWithFormat:@"from %@ (%@)", label, Simplify([package section])]];
+    NSString *from = [NSString stringWithFormat:@"from %@", label];
 
-    if (trusted)
-        [self addSubview:trusted_];
-    else
-        [trusted_ removeFromSuperview];
-}
+    if (section != nil && ![section isEqualToString:label])
+        from = [from stringByAppendingString:[NSString stringWithFormat:@" (%@)", section]];
 
-- (void) _setSelected:(float)fraction {
-    CGColor black(space_,
-        Interpolate(0.0, 1.0, fraction),
-        Interpolate(0.0, 1.0, fraction),
-        Interpolate(0.0, 1.0, fraction),
-    1.0);
+    source_ = [from retain];
 
-    CGColor gray(space_,
-        Interpolate(0.4, 1.0, fraction),
-        Interpolate(0.4, 1.0, fraction),
-        Interpolate(0.4, 1.0, fraction),
-    1.0);
+    if (NSString *purpose = [package primaryPurpose])
+        if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
+            badge_ = [badge_ retain];
 
-    [name_ setColor:black];
-    [description_ setColor:gray];
-    [source_ setColor:black];
-}
+#ifdef USE_BADGES
+    if (NSString *mode = [package mode]) {
+        [badge_ setImage:[UIImage applicationImageNamed:
+            [mode isEqualToString:@"Remove"] || [mode isEqualToString:@"Purge"] ? @"removing.png" : @"installing.png"
+        ]];
 
-- (void) setSelected:(BOOL)selected {
-    [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected];
+        [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) setSelected:(BOOL)selected withFade:(BOOL)fade {
-    if (!fade)
-        [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected withFade:fade];
+- (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];
 }
 
-- (void) _setSelectionFadeFraction:(float)fraction {
-    [self _setSelected:fraction];
-    [super _setSelectionFadeFraction:fraction];
++ (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 : UITableCell {
-    UITextLabel *name_;
-    UITextLabel *count_;
+@interface SectionCell : UISimpleTableCell {
+    NSString *section_;
+    NSString *name_;
+    NSString *count_;
+    UIImage *icon_;
+    _UISwitchSlider *switch_;
+    BOOL editing_;
 }
 
 - (id) init;
-- (void) setSection:(Section *)section;
-
-- (void) _setSelected:(float)fraction;
-- (void) setSelected:(BOOL)selected;
-- (void) setSelected:(BOOL)selected withFade:(BOOL)fade;
-- (void) _setSelectionFadeFraction:(float)fraction;
+- (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 {
-    [name_ release];
-    [count_ release];
+    [self clearSection];
+    [icon_ release];
+    [switch_ release];
     [super dealloc];
 }
 
 - (id) init {
     if ((self = [super init]) != nil) {
-        GSFontRef bold = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 22);
-        GSFontRef small = GSFontCreateWithName("Helvetica", kGSFontTraitBold, 12);
-
-        name_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 9, 250, 25)];
-        [name_ setBackgroundColor:Clear_];
-        [name_ setFont:bold];
-
-        count_ = [[UITextLabel alloc] initWithFrame:CGRectMake(11, 7, 29, 32)];
-        [count_ setCentersHorizontally:YES];
-        [count_ setBackgroundColor:Clear_];
-        [count_ setFont:small];
-        [count_ setColor:White_];
-
-        UIImageView *folder = [[[UIImageView alloc] initWithFrame:CGRectMake(8, 7, 32, 32)] autorelease];
-        [folder setImage:[UIImage applicationImageNamed:@"folder.png"]];
-
-        [self addSubview:folder];
-        [self addSubview:name_];
-        [self addSubview:count_];
+        icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
 
-        [self _setSelected:0];
-
-        CFRelease(small);
-        CFRelease(bold);
+        switch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
+        [switch_ addTarget:self action:@selector(onSwitch:) forEvents:kUIControlEventMouseUpInside];
     } return self;
 }
 
-- (void) setSection:(Section *)section {
-    if (section == nil) {
-        [name_ setText:@"All Packages"];
-        [count_ setText:nil];
-    } else {
-        NSString *name = [section name];
-        [name_ setText:(name == nil ? @"(No Section)" : name)];
-        [count_ setText:[NSString stringWithFormat:@"%d", [section count]]];
+- (void) onSwitch:(id)sender {
+    NSMutableDictionary *metadata = [Sections_ objectForKey:section_];
+    if (metadata == nil) {
+        metadata = [NSMutableDictionary dictionaryWithCapacity:2];
+        [Sections_ setObject:metadata forKey:section_];
     }
-}
 
-- (void) _setSelected:(float)fraction {
-    CGColor black(space_,
-        Interpolate(0.0, 1.0, fraction),
-        Interpolate(0.0, 1.0, fraction),
-        Interpolate(0.0, 1.0, fraction),
-    1.0);
-
-    [name_ setColor:black];
+    Changed_ = true;
+    [metadata setObject:[NSNumber numberWithBool:([switch_ value] == 0)] forKey:@"Hidden"];
 }
 
-- (void) setSelected:(BOOL)selected {
-    [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected];
-}
+- (void) setSection:(Section *)section editing:(BOOL)editing {
+    if (editing != editing_) {
+        if (editing_)
+            [switch_ removeFromSuperview];
+        else
+            [self addSubview:switch_];
+        editing_ = editing;
+    }
 
-- (void) setSelected:(BOOL)selected withFade:(BOOL)fade {
-    if (!fade)
-        [self _setSelected:(selected ? 1.0 : 0.0)];
-    [super setSelected:selected withFade:fade];
-}
+    [self clearSection];
 
-- (void) _setSelectionFadeFraction:(float)fraction {
-    [self _setSelected:fraction];
-    [super _setSelectionFadeFraction:fraction];
+    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];
+    }
 }
 
-@end
-/* }}} */
-
-/* Browser Interface {{{ */
-@interface BrowserView : RVPage {
-    _transient Database *database_;
-    UIScroller *scroller_;
-    UIWebView *webview_;
-    NSMutableArray *urls_;
-    UIProgressIndicator *indicator_;
+- (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
+    [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
 
-    NSString *title_;
-    bool loading_;
-}
+    if (selected)
+        UISetColor(White_);
 
-- (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy;
-- (void) loadURL:(NSURL *)url;
+    if (!selected)
+        UISetColor(Black_);
+    [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(editing_ ? 164 : 250) withFont:Font22Bold_ ellipsis:2];
 
-- (void) loadRequest:(NSURLRequest *)request;
-- (void) reloadURL;
+    CGSize size = [count_ sizeWithFont:Font14_];
 
-- (WebView *) webView;
+    UISetColor(White_);
+    if (count_ != nil)
+        [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
 
-- (id) initWithBook:(RVBook *)book database:(Database *)database;
+    [super drawContentInRect:rect selected:selected];
+}
 
 @end
 /* }}} */
 
-/* Package View {{{ */
-@protocol PackageViewDelegate
-- (void) performPackage:(Package *)package;
-@end
-
-@interface PackageView : RVPage {
+/* File Table {{{ */
+@interface FileTable : RVPage {
     _transient Database *database_;
-    UIPreferencesTable *table_;
     Package *package_;
     NSString *name_;
-    UITextView *description_;
+    NSMutableArray *files_;
+    UITable *list_;
 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database;
@@ -2622,207 +3590,221 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 
 @end
 
-@implementation PackageView
+@implementation FileTable
 
 - (void) dealloc {
-    [table_ setDataSource:nil];
-    [table_ setDelegate:nil];
-
     if (package_ != nil)
         [package_ release];
     if (name_ != nil)
         [name_ release];
-    if (description_ != nil)
-        [description_ release];
-    [table_ release];
+    [files_ release];
+    [list_ release];
     [super dealloc];
 }
 
-- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
-    return [package_ source] == nil ? 2 : 3;
+- (int) numberOfRowsInTable:(UITable *)table {
+    return files_ == nil ? 0 : [files_ count];
 }
 
-- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
-    switch (group) {
-        case 0: return nil;
-        case 1: return @"Package Details";
-        case 2: return @"Source Information";
+- (float) table:(UITable *)table heightForRow:(int)row {
+    return 24;
+}
 
-        default: _assert(false);
+- (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;
 }
 
-- (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_;
+- (BOOL) table:(UITable *)table canSelectRow:(int)row {
+    return NO;
 }
 
-- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
-    switch (group) {
-        case 0: return [package_ website] == nil ? 2 : 3;
-        case 1: return 5;
-        case 2: return 3;
-
-        default: _assert(false);
-    }
-}
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
 
-- (UIPreferencesTableCell *) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
-    UIPreferencesTableCell *cell = [[[UIPreferencesTableCell alloc] init] autorelease];
-    [cell setShowSelection:NO];
+        files_ = [[NSMutableArray arrayWithCapacity:32] retain];
 
-    switch (group) {
-        case 0: switch (row) {
-            case 0:
-                [cell setTitle:[package_ name]];
-                [cell setValue:[package_ latest]];
-            break;
+        list_ = [[UITable alloc] initWithFrame:[self bounds]];
+        [self addSubview:list_];
 
-            case 1:
-                [cell addSubview:description_];
-            break;
+        UITableColumn *column = [[[UITableColumn alloc]
+            initWithTitle:@"Name"
+            identifier:@"name"
+            width:[self frame].size.width
+        ] autorelease];
 
-            case 2:
-                [cell setTitle:@"More Information"];
-                [cell setShowDisclosure:YES];
-                [cell setShowSelection:YES];
-            break;
+        [list_ setDataSource:self];
+        [list_ setSeparatorStyle:1];
+        [list_ addTableColumn:column];
+        [list_ setDelegate:self];
+        [list_ setReusesTableCells:YES];
+    } return self;
+}
 
-            default: _assert(false);
-        } break;
+- (void) setPackage:(Package *)package {
+    if (package_ != nil) {
+        [package_ autorelease];
+        package_ = nil;
+    }
 
-        case 1: switch (row) {
-            case 0:
-                [cell setTitle:@"Identifier"];
-                [cell setValue:[package_ id]];
-            break;
+    if (name_ != nil) {
+        [name_ release];
+        name_ = nil;
+    }
 
-            case 1: {
-                [cell setTitle:@"Installed Version"];
-                NSString *installed([package_ installed]);
-                [cell setValue:(installed == nil ? @"n/a" : installed)];
-            } break;
+    [files_ removeAllObjects];
 
-            case 2: {
-                [cell setTitle:@"Section"];
-                NSString *section([package_ section]);
-                [cell setValue:(section == nil ? @"n/a" : section)];
-            } break;
+    if (package != nil) {
+        package_ = [package retain];
+        name_ = [[package id] retain];
 
-            case 3:
-                [cell setTitle:@"Expanded Size"];
-                [cell setValue:SizeString([package_ size])];
-            break;
+        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]]
+                ]];
+            }
+        }
+    }
 
-            case 4:
-                [cell setTitle:@"Maintainer"];
-                [cell setValue:[[package_ maintainer] name]];
-                [cell setShowDisclosure:YES];
-                [cell setShowSelection:YES];
-            break;
+    [list_ reloadData];
+}
 
-            default: _assert(false);
-        } break;
+- (void) resetViewAnimated:(BOOL)animated {
+    [list_ resetViewAnimated:animated];
+}
 
-        case 2: switch (row) {
-            case 0:
-                [cell setTitle:[[package_ source] label]];
-                [cell setValue:[[package_ source] version]];
-            break;
+- (void) reloadData {
+    [self setPackage:[database_ packageWithName:name_]];
+    [self reloadButtons];
+}
 
-            case 1:
-                [cell setValue:[[package_ source] description]];
-            break;
+- (NSString *) title {
+    return @"Installed Files";
+}
 
-            case 2:
-                [cell setTitle:@"Origin"];
-                [cell setValue:[[package_ source] origin]];
-            break;
+- (NSString *) backButtonTitle {
+    return @"Files";
+}
 
-            default: _assert(false);
-        } break;
+@end
+/* }}} */
+/* Package View {{{ */
+@interface PackageView : BrowserView {
+    _transient Database *database_;
+    Package *package_;
+    NSString *name_;
+    NSMutableArray *buttons_;
+}
 
-        default: _assert(false);
-    }
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+- (void) setPackage:(Package *)package;
 
-    return cell;
-}
+@end
 
-- (BOOL) canSelectRow:(int)row {
-    return YES;
+@implementation PackageView
+
+- (void) dealloc {
+    if (package_ != nil)
+        [package_ release];
+    if (name_ != nil)
+        [name_ release];
+    [buttons_ release];
+    [super dealloc];
 }
 
-- (void) tableRowSelected:(NSNotification *)notification {
-    int row = [table_ selectedRow];
-    NSString *website = [package_ website];
-
-    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) {
-        NSURL *url = [NSURL URLWithString:website];
-        BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
-        [browser setDelegate:delegate_];
-        [book_ pushPage:browser];
-        [browser loadURL:url];
-    }
+- (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:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    switch (button) {
-        case 1: [delegate_ installPackage:package_]; break;
-        case 2: [delegate_ removePackage:package_]; break;
-    }
+- (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 {
-    if ([package_ installed] == nil)
-        [delegate_ installPackage:package_];
-    else {
-        NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:6];
+    /*[super _rightButtonClicked];
+    return;*/
 
-        if ([package_ upgradable])
-            [buttons addObject:@"Upgrade"];
-        else
-            [buttons addObject:@"Reinstall"];
+    int count = [buttons_ count];
+    _assert(count != 0);
 
-        [buttons addObject:@"Remove"];
+    if (count == 1)
+        [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
+    else {
+        NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:(count + 1)];
+        [buttons addObjectsFromArray:buttons_];
         [buttons addObject:@"Cancel"];
 
-        [delegate_ slideUp:[[[UIAlertSheet alloc]
-            initWithTitle:@"Manage Package"
+        [delegate_ slideUp:[[[UIActionSheet alloc]
+            initWithTitle:nil
             buttons:buttons
             defaultButtonIndex:2
             delegate:self
-            context:self
+            context:@"manage"
         ] autorelease]];
     }
 }
 
-- (NSString *) rightButtonTitle {
-    _assert(package_ != nil);
-    return [package_ installed] == nil ? @"Install" : @"Manage";
+- (NSString *) _rightButtonTitle {
+    int count = [buttons_ count];
+    return count == 0 ? nil : count != 1 ? @"Modify" : [buttons_ objectAtIndex:0];
 }
 
-- (NSString *) title {
+- (NSString *) backButtonTitle {
     return @"Details";
 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database {
     if ((self = [super initWithBook:book]) != nil) {
         database_ = database;
-
-        table_ = [[UIPreferencesTable alloc] initWithFrame:[self bounds]];
-        [self addSubview:table_];
-
-        [table_ setDataSource:self];
-        [table_ setDelegate:self];
+        buttons_ = [[NSMutableArray alloc] initWithCapacity:4];
     } return self;
 }
 
@@ -2837,30 +3819,26 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         name_ = nil;
     }
 
-    if (description_ != nil) {
-        [description_ release];
-        description_ = nil;
-    }
+    [buttons_ removeAllObjects];
 
     if (package != nil) {
         package_ = [package retain];
         name_ = [[package id] retain];
 
-        NSString *description([package description]);
-        if (description == nil)
-            description = [package tagline];
-        description_ = [GetTextView(description, 12, true) retain];
+        [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"package" ofType:@"html"]]];
 
-        [description_ setTextColor:Black_];
-
-        [table_ reloadData];
+        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) resetViewAnimated:(BOOL)animated {
-    [table_ resetViewAnimated:animated];
-}
-
 - (void) reloadData {
     [self setPackage:[database_ packageWithName:name_]];
     [self reloadButtons];
@@ -2887,6 +3865,10 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 - (void) reloadData;
 - (void) resetCursor;
 
+- (UISectionList *) list;
+
+- (void) setShouldHideHeaderInShortLists:(BOOL)hide;
+
 @end
 
 @implementation PackageTable
@@ -2920,7 +3902,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 }
 
 - (float) table:(UITable *)table heightForRow:(int)row {
-    return 73;
+    return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
 }
 
 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
@@ -2973,6 +3955,9 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 
         [self addSubview:list_];
         [self reloadData];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
@@ -2997,12 +3982,10 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 
     for (size_t i(0); i != [packages count]; ++i) {
         Package *package([packages objectAtIndex:i]);
-        if ([[package performSelector:filter_ withObject:object_] boolValue])
+        if ([package valid] && [[package performSelector:filter_ withObject:object_] boolValue])
             [packages_ addObject:package];
     }
 
-    [packages_ sortUsingSelector:@selector(compareByName:)];
-
     Section *section = nil;
 
     for (size_t offset(0); offset != [packages_ count]; ++offset) {
@@ -3032,314 +4015,1475 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [[list_ table] scrollPointVisibleAtTopLeft:CGPointMake(0, 0) animated:NO];
 }
 
+- (UISectionList *) list {
+    return list_;
+}
+
+- (void) setShouldHideHeaderInShortLists:(BOOL)hide {
+    [list_ setShouldHideHeaderInShortLists:hide];
+}
+
 @end
 /* }}} */
 
-/* Browser Implementation {{{ */
-@implementation BrowserView
+/* Add Source View {{{ */
+@interface AddSourceView : RVPage {
+    _transient Database *database_;
+}
 
-- (void) dealloc {
-    WebView *webview = [webview_ webView];
-    [webview setFrameLoadDelegate:nil];
-    [webview setResourceLoadDelegate:nil];
-    [webview setUIDelegate:nil];
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
 
-    [scroller_ setDelegate:nil];
-    [webview_ setDelegate:nil];
+@end
 
-    [scroller_ release];
-    [webview_ release];
-    [urls_ release];
-    [indicator_ release];
-    if (title_ != nil)
-        [title_ release];
+@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];
 }
 
-- (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
-    NSMutableURLRequest *request = [NSMutableURLRequest
-        requestWithURL:url
-        cachePolicy:policy
-        timeoutInterval:30.0
-    ];
+- (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_);
 
-    [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"];
+    if (!selected)
+        UISetColor(Black_);
+    [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:240 withFont:Font18Bold_ ellipsis:2];
 
-    [self loadRequest:request];
+    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_;
 
-- (void) loadURL:(NSURL *)url {
-    [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
+    //NSURLConnection *installer_;
+    NSURLConnection *trivial_bz2_;
+    NSURLConnection *trivial_gz_;
+    //NSURLConnection *automatic_;
+
+    BOOL trivial_;
 }
 
-// XXX: this needs to add the headers
-- (NSURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
-    return request;
+- (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) loadRequest:(NSURLRequest *)request {
-    [webview_ loadRequest:request];
+- (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];
 }
 
-- (void) reloadURL {
-    NSURL *url = [[[urls_ lastObject] retain] autorelease];
-    [urls_ removeLastObject];
-    [self loadURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData];
+- (int) numberOfSectionsInSectionList:(UISectionList *)list {
+    return offset_ == 0 ? 1 : 2;
 }
 
-- (WebView *) webView {
-    return [webview_ webView];
+- (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;
+    }
 }
 
-- (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
-    [scroller_ setContentSize:frame.size];
+- (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;
+    }
 }
 
-- (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
-    [self view:sender didSetFrame:frame];
+- (int) numberOfRowsInTable:(UITable *)table {
+    return [sources_ count];
 }
 
-- (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)dataSource {
-    return [self _addHeadersToRequest:request];
+- (float) table:(UITable *)table heightForRow:(int)row {
+    Source *source = [sources_ objectAtIndex:row];
+    return [source description] == nil ? 56 : 73;
 }
 
-- (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
-    [self setBackButtonTitle:title_];
-    BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
-    [browser setDelegate:delegate_];
-    [book_ pushPage:browser];
-    [browser loadRequest:[self _addHeadersToRequest:request]];
-    return [browser webView];
+- (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];
 }
 
-- (void) webView:(WebView *)sender willClickElement:(id)element {
-    if (![element respondsToSelector:@selector(href)])
-        return;
-    NSString *href = [element href];
-    if (href == nil)
+- (BOOL) table:(UITable *)table showDisclosureForRow:(int)row {
+    return YES;
+}
+
+- (BOOL) table:(UITable *)table canSelectRow:(int)row {
+    return YES;
+}
+
+- (void) tableRowSelected:(NSNotification*)notification {
+    UITable *table([list_ table]);
+    int row([table selectedRow]);
+    if (row == INT_MAX)
         return;
-    if ([href hasPrefix:@"apptapp://package/"]) {
-        NSString *name = [href substringFromIndex:18];
-        Package *package = [database_ packageWithName:name];
-        if (package == nil) {
-            UIAlertSheet *sheet = [[[UIAlertSheet alloc]
-                initWithTitle:@"Cannot Locate Package"
-                buttons:[NSArray arrayWithObjects:@"Close", nil]
+
+    Source *source = [sources_ objectAtIndex:row];
+
+    PackageTable *packages = [[[PackageTable alloc]
+        initWithBook:book_
+        database:database_
+        title:[source label]
+        filter:@selector(isVisibleInSource:)
+        with:source
+    ] autorelease];
+
+    [packages setDelegate:delegate_];
+
+    [book_ pushPage:packages];
+}
+
+- (BOOL) table:(UITable *)table canDeleteRow:(int)row {
+    Source *source = [sources_ objectAtIndex:row];
+    return [source record] != nil;
+}
+
+- (void) table:(UITable *)table willSwipeToDeleteRow:(int)row {
+    [[list_ table] setDeleteConfirmationRow:row];
+}
+
+- (void) table:(UITable *)table deleteRow:(int)row {
+    Source *source = [sources_ objectAtIndex:row];
+    [Sources_ removeObjectForKey:[source key]];
+    [delegate_ syncData];
+}
+
+- (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 (
+        trivial_bz2_ == nil &&
+        trivial_gz_ == nil
+    ) {
+        [delegate_ setStatusBarShowsProgress:NO];
+
+        [hud_ show:NO];
+        [hud_ removeFromSuperview];
+        [hud_ autorelease];
+        hud_ = nil;
+
+        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:self
+                context:@"urlerror"
             ] autorelease];
 
-            [sheet setBodyText:[NSString stringWithFormat:
-                @"The package %@ cannot be found in your current sources. I might recommend intalling more sources."
-            , name]];
-
+            [sheet setBodyText:[error_ localizedDescription]];
             [sheet popupAlertAnimated:YES];
         } else {
-            [self setBackButtonTitle:title_];
-            PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
-            [view setDelegate:delegate_];
-            [view setPackage:package];
-            [book_ pushPage:view];
+            UIActionSheet *sheet = [[[UIActionSheet alloc]
+                initWithTitle:@"Did not Find Repository"
+                buttons:[NSArray arrayWithObjects:@"OK", nil]
+                defaultButtonIndex:0
+                delegate:self
+                context:@"trivial"
+            ] autorelease];
+
+            [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];
+        }
+
+        [href_ release];
+        href_ = nil;
+
+        if (error_ != nil) {
+            [error_ release];
+            error_ = nil;
         }
     }
 }
 
-- (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
-    title_ = [title retain];
-    [self setTitle:title];
+- (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
+    switch ([response statusCode]) {
+        case 200:
+            trivial_ = YES;
+    }
 }
 
-- (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
-    if ([frame parentFrame] != nil)
-        return;
+- (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];
+}
 
-    loading_ = true;
-    [indicator_ startAnimation];
-    [self reloadButtons];
+- (void) connectionDidFinishLoading:(NSURLConnection *)connection {
+    [self _endConnection:connection];
+}
 
-    if (title_ != nil) {
-        [title_ release];
-        title_ = nil;
-    }
+- (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
+    NSMutableURLRequest *request = [NSMutableURLRequest
+        requestWithURL:[NSURL URLWithString:href]
+        cachePolicy:NSURLRequestUseProtocolCachePolicy
+        timeoutInterval:20.0
+    ];
 
-    [self setTitle:@"Loading..."];
+    [request setHTTPMethod:method];
 
-    WebView *webview = [webview_ webView];
-    NSString *href = [webview mainFrameURL];
-    [urls_ addObject:[NSURL URLWithString:href]];
+    return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
+}
 
-    CGRect webrect = [scroller_ frame];
-    webrect.size.height = 0;
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    NSString *context = [sheet context];
+    if ([context isEqualToString:@"source"])
+        switch (button) {
+            case 1: {
+                NSString *href = [[sheet textField] text];
+
+                //installer_ = [[self _requestHRef:href method:@"GET"] retain];
+
+                if (![href hasSuffix:@"/"])
+                    href_ = [href stringByAppendingString:@"/"];
+                else
+                    href_ = href;
+                href_ = [href_ retain];
+
+                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];
+
+                trivial_ = false;
+
+                hud_ = [delegate_ addProgressHUD];
+                [hud_ setText:@"Verifying URL"];
+            } break;
+
+            case 2:
+            break;
+
+            default:
+                _assert(false);
+        }
+
+    [sheet dismiss];
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+        sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
+
+        //list_ = [[UITable alloc] initWithFrame:[self bounds]];
+        list_ = [[UISectionList alloc] initWithFrame:[self bounds] showSectionIndex:NO];
+        [list_ setShouldHideHeaderInShortLists:NO];
+
+        [self addSubview:list_];
+        [list_ setDataSource:self];
+
+        UITableColumn *column = [[UITableColumn alloc]
+            initWithTitle:@"Name"
+            identifier:@"name"
+            width:[self frame].size.width
+        ];
+
+        UITable *table = [list_ table];
+        [table setSeparatorStyle:1];
+        [table addTableColumn:column];
+        [table setDelegate:self];
+
+        [self reloadData];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+    } return self;
+}
+
+- (void) reloadData {
+    pkgSourceList list;
+    _assert(list.ReadMainList());
+
+    [sources_ removeAllObjects];
+    [sources_ addObjectsFromArray:[database_ sources]];
+    _trace();
+    [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
+    _trace();
+
+    int count = [sources_ count];
+    for (offset_ = 0; offset_ != count; ++offset_) {
+        Source *source = [sources_ objectAtIndex:offset_];
+        if ([source record] == nil)
+            break;
+    }
+
+    [list_ reloadData];
+}
+
+- (void) resetViewAnimated:(BOOL)animated {
+    [list_ resetViewAnimated:animated];
+}
+
+- (void) _leftButtonClicked {
+    /*[book_ pushPage:[[[AddSourceView alloc]
+        initWithBook:book_
+        database:database_
+    ] autorelease]];*/
+
+    UIActionSheet *sheet = [[[UIActionSheet alloc]
+        initWithTitle:@"Enter Cydia/APT URL"
+        buttons:[NSArray arrayWithObjects:@"Add Source", @"Cancel", nil]
+        defaultButtonIndex:0
+        delegate:self
+        context:@"source"
+    ] autorelease];
+
+    [sheet addTextFieldWithValue:@"http://" label:@""];
+
+    UITextInputTraits *traits = [[sheet textField] textInputTraits];
+    [traits setAutocapitalizationType:0];
+    [traits setKeyboardType:3];
+    [traits setAutocorrectionType:1];
+
+    [sheet popupAlertAnimated:YES];
+}
+
+- (void) _rightButtonClicked {
+    UITable *table = [list_ table];
+    BOOL editing = [table isRowDeletionEnabled];
+    [table enableRowDeletion:!editing animated:YES];
+    [book_ reloadButtonsForPage:self];
+}
+
+- (NSString *) title {
+    return @"Sources";
+}
+
+- (NSString *) leftButtonTitle {
+    return [[list_ table] isRowDeletionEnabled] ? @"Add" : nil;
+}
+
+- (NSString *) rightButtonTitle {
+    return [[list_ table] isRowDeletionEnabled] ? @"Done" : @"Edit";
+}
+
+- (UINavigationButtonStyle) rightButtonStyle {
+    return [[list_ table] isRowDeletionEnabled] ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
+}
+
+@end
+/* }}} */
+
+/* Installed View {{{ */
+@interface InstalledView : RVPage {
+    _transient Database *database_;
+    PackageTable *packages_;
+    BOOL expert_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
+
+@end
+
+@implementation InstalledView
+
+- (void) dealloc {
+    [packages_ release];
+    [super dealloc];
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
+
+        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) resetViewAnimated:(BOOL)animated {
+    [packages_ resetViewAnimated:animated];
+}
+
+- (void) reloadData {
+    [packages_ reloadData];
+}
+
+- (void) _rightButtonClicked {
+    [packages_ setObject:[NSNumber numberWithBool:expert_]];
+    [packages_ reloadData];
+    expert_ = !expert_;
+    [book_ reloadButtonsForPage:self];
+}
+
+- (NSString *) title {
+    return @"Installed";
+}
+
+- (NSString *) backButtonTitle {
+    return @"Packages";
+}
+
+- (NSString *) rightButtonTitle {
+    return Role_ != nil && [Role_ isEqualToString:@"Developer"] ? nil : expert_ ? @"Expert" : @"Simple";
+}
+
+- (UINavigationButtonStyle) rightButtonStyle {
+    return expert_ ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
+}
+
+- (void) setDelegate:(id)delegate {
+    [super setDelegate:delegate];
+    [packages_ setDelegate:delegate];
+}
+
+@end
+/* }}} */
+
+/* Home View {{{ */
+@interface HomeView : BrowserView {
+}
+
+@end
+
+@implementation HomeView
+
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    [sheet dismiss];
+}
+
+- (void) _leftButtonClicked {
+    UIActionSheet *sheet = [[[UIActionSheet alloc]
+        initWithTitle:@"About Cydia Installer"
+        buttons:[NSArray arrayWithObjects:@"Close", nil]
+        defaultButtonIndex:0
+        delegate:self
+        context:@"about"
+    ] autorelease];
+
+    [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/"
+    ];
+
+    [sheet popupAlertAnimated:YES];
+}
+
+- (NSString *) leftButtonTitle {
+    return @"About";
+}
+
+@end
+/* }}} */
+/* Manage View {{{ */
+@interface ManageView : BrowserView {
+}
+
+@end
+
+@implementation ManageView
+
+- (NSString *) title {
+    return @"Manage";
+}
+
+- (void) _leftButtonClicked {
+    [delegate_ askForSettings];
+}
+
+- (NSString *) leftButtonTitle {
+    return @"Settings";
+}
+
+- (NSString *) _rightButtonTitle {
+    return nil;
+}
+
+@end
+/* }}} */
+
+@interface WebView (Cydia)
+- (void) setScriptDebugDelegate:(id)delegate;
+- (void) _setFormDelegate:(id)delegate;
+- (void) _setUIKitDelegate:(id)delegate;
+- (void) setWebMailDelegate:(id)delegate;
+- (void) _setLayoutInterval:(float)interval;
+@end
+
+/* Indirect Delegate {{{ */
+@interface IndirectDelegate : NSProxy {
+    _transient volatile id delegate_;
+}
+
+- (void) setDelegate:(id)delegate;
+- (id) initWithDelegate:(id)delegate;
+@end
+
+@implementation IndirectDelegate
+
+- (void) setDelegate:(id)delegate {
+    delegate_ = delegate;
+}
+
+- (id) initWithDelegate:(id)delegate {
+    delegate_ = delegate;
+    return self;
+}
+
+- (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) forwardInvocation:(NSInvocation *)inv {
+    SEL sel = [inv selector];
+    if (delegate_ != nil && [delegate_ respondsToSelector:sel])
+        [inv invokeWithTarget:delegate_];
+}
+
+@end
+/* }}} */
+/* Browser Implementation {{{ */
+@implementation BrowserView
+
+- (void) dealloc {
+    WebView *webview = [webview_ webView];
+    [webview setFrameLoadDelegate:nil];
+    [webview setResourceLoadDelegate:nil];
+    [webview setUIDelegate:nil];
+    [webview setScriptDebugDelegate:nil];
+    [webview setPolicyDelegate:nil];
+
+    [webview setDownloadDelegate:nil];
+
+    [webview _setFormDelegate:nil];
+    [webview _setUIKitDelegate:nil];
+    [webview setWebMailDelegate:nil];
+    [webview setEditingDelegate:nil];
+
+    [webview_ setDelegate:nil];
+    [webview_ setGestureDelegate:nil];
+
+    //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
+
+    [webview close];
+
+#if RecycleWebViews
+    [webview_ removeFromSuperview];
+    [Documents_ addObject:[webview_ autorelease]];
+#else
+    [webview_ release];
+#endif
+
+    [indirect_ setDelegate:nil];
+    [indirect_ release];
+
+    [scroller_ setDelegate:nil];
+
+    [scroller_ release];
+    [urls_ release];
+    [indicator_ release];
+    if (title_ != nil)
+        [title_ release];
+    [super dealloc];
+}
+
+- (void) loadURL:(NSURL *)url cachePolicy:(NSURLRequestCachePolicy)policy {
+    [self loadRequest:[NSURLRequest
+        requestWithURL:url
+        cachePolicy:policy
+        timeoutInterval:30.0
+    ]];
+}
+
+- (void) loadURL:(NSURL *)url {
+    [self loadURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy];
+}
+
+- (NSURLRequest *) _addHeadersToRequest:(NSURLRequest *)request {
+    NSMutableURLRequest *copy = [request mutableCopy];
+
+    if (Machine_ != NULL)
+        [copy addValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
+    if (UniqueID_ != nil)
+        [copy addValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
+
+    if (Role_ != nil)
+        [copy addValue:Role_ forHTTPHeaderField:@"X-Role"];
+
+    return copy;
+}
+
+- (void) loadRequest:(NSURLRequest *)request {
+    pushed_ = true;
+    [webview_ loadRequest:request];
+}
+
+- (void) reloadURL {
+    if ([urls_ count] == 0)
+        return;
+    NSURL *url = [[[urls_ lastObject] retain] autorelease];
+    [urls_ removeLastObject];
+    [self loadURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData];
+}
+
+- (WebView *) webView {
+    return [webview_ webView];
+}
+
+- (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
+    [scroller_ setContentSize:frame.size];
+}
+
+- (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
+    [self view:sender didSetFrame:frame];
+}
+
+- (void) pushPage:(RVPage *)page {
+    [self setBackButtonTitle:title_];
+    [page setDelegate:delegate_];
+    [book_ pushPage:page];
+}
+
+- (BOOL) getSpecial:(NSURL *)url {
+    NSString *href([url absoluteString]);
+    NSString *scheme([[url scheme] lowercaseString]);
+
+    RVPage *page = nil;
+
+    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;
+
+    if (page != nil)
+        [self pushPage:page];
+    return true;
+}
+
+- (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
+    [window setValue:delegate_ forKey:@"cydia"];
+}
+
+- (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;
+        }
+
+        [listener ignore];
+    } else use:
+        [listener use];
+}
+
+- (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]];
+    }
+}
+
+- (void) webView:(WebView *)sender decidePolicyForNavigationAction:(NSDictionary *)action request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
+    NSURL *url([request URL]);
+
+    if (url == nil) use: {
+        [listener use];
+        return;
+    }
+
+    const NSArray *capability(reinterpret_cast<const NSArray *>(GSSystemGetCapability(kGSDisplayIdentifiersCapability)));
+
+    if (
+        [capability containsObject:@"com.apple.Maps"] && [url mapsURL] ||
+        [capability containsObject:@"com.apple.youtube"] && [url youTubeURL]
+    ) {
+      open:
+        [UIApp openURL:url];
+      ignore:
+        [listener ignore];
+        return;
+    }
+
+    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;
+        }
+    }
+
+    NSString *scheme([[url scheme] lowercaseString]);
+
+    if ([scheme isEqualToString:@"tel"]) {
+        // XXX: intelligence
+        goto open;
+    }
+
+    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) webView:(WebView *)sender setStatusText:(NSString *)text {
+    //lprintf("Status:%s\n", [text UTF8String]);
+}
+
+- (void) _pushPage {
+    if (pushed_)
+        return;
+    pushed_ = true;
+    [book_ pushPage:self];
+}
+
+- (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];
+}
+
+- (WebView *) _createWebViewWithRequest:(NSURLRequest *)request pushed:(BOOL)pushed {
+    [self setBackButtonTitle:title_];
+
+    BrowserView *browser = [[[BrowserView alloc] initWithBook:book_] autorelease];
+    [browser setDelegate:delegate_];
+
+    if (pushed) {
+        [browser loadRequest:[self _addHeadersToRequest:request]];
+        [book_ pushPage:browser];
+    }
+
+    return [browser webView];
+}
+
+- (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
+    return [self _createWebViewWithRequest:request pushed:(request != nil)];
+}
+
+- (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request windowFeatures:(NSDictionary *)features {
+    return [self _createWebViewWithRequest:request pushed:YES];
+}
+
+- (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
+    if ([frame parentFrame] != nil)
+        return;
+
+    title_ = [title retain];
+    [book_ reloadTitleForPage:self];
+}
+
+- (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
+    if ([frame parentFrame] != nil)
+        return;
+
+    reloading_ = false;
+    loading_ = true;
+    [indicator_ startAnimation];
+    [self reloadButtons];
+
+    if (title_ != nil) {
+        [title_ release];
+        title_ = nil;
+    }
+
+    [book_ reloadTitleForPage:self];
+
+    WebView *webview = [webview_ webView];
+    NSString *href = [webview mainFrameURL];
+    [urls_ addObject:[NSURL URLWithString:href]];
+
+    [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
+
+    CGRect webrect = [scroller_ bounds];
+    webrect.size.height = 0;
     [webview_ setFrame:webrect];
 }
 
 - (void) _finishLoading {
-    loading_ = false;
-    [indicator_ stopAnimation];
-    [self reloadButtons];
+    if (!reloading_) {
+        loading_ = false;
+        [indicator_ stopAnimation];
+        [self reloadButtons];
+    }
+}
+
+- (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
+    return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
+}
+
+- (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
+    return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
+}
+
+- (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
+    return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
+}
+
+- (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)
-        return;
-    [self _finishLoading];
+    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 setTitle:[error localizedDescription]];
     [self _finishLoading];
+
+    [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
+        [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
+        [[error localizedDescription] stringByAddingPercentEscapes]
+    ]]];
+}
+
+- (void) webView:(WebView *)sender addMessageToConsole:(NSDictionary *)dictionary {
+#if ForSaurik
+    lprintf("Console:%s\n", [[dictionary description] UTF8String]);
+#endif
+}
+
+- (id) initWithBook:(RVBook *)book {
+    if ((self = [super initWithBook:book]) != nil) {
+        loading_ = false;
+
+        struct CGRect bounds = [self bounds];
+
+        UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:bounds] autorelease];
+        [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
+        [self addSubview:pinstripe];
+
+        scroller_ = [[UIScroller alloc] initWithFrame:bounds];
+        [self 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;
+
+        WebView *webview;
+
+#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];
+
+            [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
+
+            [webview_ setAllowsMessaging:YES];
+
+            [webview_ setTilingEnabled:YES];
+            [webview_ setDrawsGrid:NO];
+            [webview_ setLogsTilingChanges:NO];
+            [webview_ setTileMinificationFilter:kCAFilterNearest];
+            [webview_ setDetectsPhoneNumbers:NO];
+            [webview_ setAutoresizes:YES];
+
+            [webview_ setViewportSize:CGSizeMake(980, -1) forDocumentTypes:0x10];
+            [webview_ setViewportSize:CGSizeMake(320, -1) forDocumentTypes:0x2];
+            [webview_ setViewportSize:CGSizeMake(320, -1) forDocumentTypes:0x8];
+
+            [webview_ _setDocumentType:0x4];
+
+            [webview_ setZoomsFocusedFormControl:YES];
+            [webview_ setContentsPosition:7];
+            [webview_ setEnabledGestures:0xa];
+            [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:0x4];
+            [webview_ setValue:[NSNumber numberWithBool:YES] forGestureAttribute:0x7];
+
+            [webview_ setSmoothsFonts:YES];
+
+            [webview _setUsesLoaderCache:YES];
+            [webview setGroupName:@"Cydia"];
+            //[webview _setLayoutInterval:0.5];
+        }
+
+        [webview_ setDelegate:self];
+        [webview_ setGestureDelegate:self];
+        [scroller_ addSubview:webview_];
+
+        //NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
+
+        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:UIProgressIndicatorStyleMediumWhite];
+        indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
+        [indicator_ setStyle:UIProgressIndicatorStyleMediumWhite];
+
+        Package *package([[Database sharedInstance] packageWithName:@"cydia"]);
+        NSString *application = package == nil ? @"Cydia" : [NSString
+            stringWithFormat:@"Cydia/%@",
+            [package installed]
+        ]; [webview setApplicationNameForUserAgent:application];
+
+        indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
+
+        [webview setFrameLoadDelegate:self];
+        [webview setResourceLoadDelegate:indirect_];
+        [webview setUIDelegate:self];
+        [webview setScriptDebugDelegate:self];
+        [webview setPolicyDelegate:self];
+
+        urls_ = [[NSMutableArray alloc] initWithCapacity:16];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [pinstripe setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+    } return self;
+}
+
+- (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
+    [webview_ redrawScaledDocument];
+}
+
+- (void) _rightButtonClicked {
+    reloading_ = true;
+    [self reloadURL];
+}
+
+- (NSString *) _rightButtonTitle {
+    return @"Reload";
+}
+
+- (NSString *) rightButtonTitle {
+    return loading_ ? @"" : [self _rightButtonTitle];
+}
+
+- (NSString *) title {
+    return title_ == nil ? @"Loading" : title_;
+}
+
+- (NSString *) backButtonTitle {
+    return @"Browser";
+}
+
+- (void) setPageActive:(BOOL)active {
+    if (!active)
+        [indicator_ removeFromSuperview];
+    else
+        [[book_ navigationBar] addSubview:indicator_];
+}
+
+- (void) resetViewAnimated:(BOOL)animated {
+}
+
+- (void) setPushed:(bool)pushed {
+    pushed_ = pushed;
+}
+
+@end
+/* }}} */
+
+/* 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_;
+}
+
+- (id) initWithFrame:(CGRect)frame database:(Database *)database;
+- (void) update;
+- (BOOL) updating;
+
+@end
+
+@implementation CYBook
+
+- (void) dealloc {
+    [overlay_ release];
+    [indicator_ release];
+    [prompt_ release];
+    [progress_ release];
+    [cancel_ release];
+    [super dealloc];
+}
+
+- (NSString *) getTitleForPage:(RVPage *)page {
+    return Simplify([super getTitleForPage:page]);
+}
+
+- (BOOL) updating {
+    return updating_;
+}
+
+- (void) update {
+    [UIView beginAnimations:nil context:NULL];
+
+    CGRect ovrframe = [overlay_ frame];
+    ovrframe.origin.y = 0;
+    [overlay_ setFrame:ovrframe];
+
+    CGRect barframe = [navbar_ frame];
+    barframe.origin.y += ovrframe.size.height;
+    [navbar_ setFrame:barframe];
+
+    CGRect trnframe = [transition_ frame];
+    trnframe.origin.y += ovrframe.size.height;
+    trnframe.size.height -= ovrframe.size.height;
+    [transition_ setFrame:trnframe];
+
+    [UIView endAnimations];
+
+    [indicator_ startAnimation];
+    [prompt_ setText:@"Updating Database"];
+    [progress_ setProgress:0];
+
+    received_ = 0;
+    last_ = [NSDate timeIntervalSinceReferenceDate];
+    updating_ = true;
+    [overlay_ addSubview:cancel_];
+
+    [NSThread
+        detachNewThreadSelector:@selector(_update)
+        toTarget:self
+        withObject:nil
+    ];
+}
+
+- (void) _update_ {
+    updating_ = false;
+
+    [indicator_ stopAnimation];
+
+    [UIView beginAnimations:nil context:NULL];
+
+    CGRect ovrframe = [overlay_ frame];
+    ovrframe.origin.y = -ovrframe.size.height;
+    [overlay_ setFrame:ovrframe];
+
+    CGRect barframe = [navbar_ frame];
+    barframe.origin.y -= ovrframe.size.height;
+    [navbar_ setFrame:barframe];
+
+    CGRect trnframe = [transition_ frame];
+    trnframe.origin.y -= ovrframe.size.height;
+    trnframe.size.height += ovrframe.size.height;
+    [transition_ setFrame:trnframe];
+
+    [UIView commitAnimations];
+
+    [delegate_ performSelector:@selector(reloadData) withObject:nil afterDelay:0];
 }
 
-- (id) initWithBook:(RVBook *)book database:(Database *)database {
-    if ((self = [super initWithBook:book]) != nil) {
-        database_ = database;
-        loading_ = false;
+- (id) initWithFrame:(CGRect)frame database:(Database *)database {
+    if ((self = [super initWithFrame:frame]) != nil) {
+        database_ = database;
+
+        CGRect ovrrect = [navbar_ bounds];
+        ovrrect.size.height = [UINavigationBar defaultSize].height;
+        ovrrect.origin.y = -ovrrect.size.height;
+
+        overlay_ = [[UINavigationBar alloc] initWithFrame:ovrrect];
+        [self addSubview:overlay_];
+
+        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_];
+
+        [overlay_ setBarStyle:1];
+        [underlay_ setBarStyle:1];
+
+        int barstyle = [overlay_ _barStyle:NO];
+        bool ugly = barstyle == 0;
+
+        UIProgressIndicatorStyle style = ugly ?
+            UIProgressIndicatorStyleMediumBrown :
+            UIProgressIndicatorStyleMediumWhite;
+
+        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:style];
+        unsigned indoffset = (ovrrect.size.height - indsize.height) / 2;
+        CGRect indrect = {{indoffset, indoffset}, indsize};
+
+        indicator_ = [[UIProgressIndicator alloc] initWithFrame:indrect];
+        [indicator_ setStyle:style];
+        [overlay_ addSubview:indicator_];
+
+        CGSize prmsize = {215, indsize.height + 4};
 
-        struct CGRect bounds = [self bounds];
+        CGRect prmrect = {{
+            indoffset * 2 + indsize.width,
+#ifdef __OBJC2__
+            -1 +
+#endif
+            unsigned(ovrrect.size.height - prmsize.height) / 2
+        }, prmsize};
 
-        UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:bounds] autorelease];
-        [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
-        [self addSubview:pinstripe];
+        UIFont *font = [UIFont systemFontOfSize:15];
 
-        scroller_ = [[UIScroller alloc] initWithFrame:bounds];
-        [self addSubview:scroller_];
+        prompt_ = [[UITextLabel alloc] initWithFrame:prmrect];
 
-        [scroller_ setScrollingEnabled:YES];
-        [scroller_ setAdjustForContentSizeChange:YES];
-        [scroller_ setClipsSubviews:YES];
-        [scroller_ setAllowsRubberBanding:YES];
-        [scroller_ setScrollDecelerationFactor:0.99];
-        [scroller_ setDelegate:self];
+        [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
+        [prompt_ setBackgroundColor:[UIColor clearColor]];
+        [prompt_ setFont:font];
 
-        CGRect webrect = [scroller_ bounds];
-        webrect.size.height = 0;
+        [overlay_ addSubview:prompt_];
 
-        webview_ = [[UIWebView alloc] initWithFrame:webrect];
-        [scroller_ addSubview:webview_];
+        CGSize prgsize = {75, 100};
 
-        [webview_ setTilingEnabled:YES];
-        [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
-        [webview_ setAutoresizes:YES];
-        [webview_ setDelegate:self];
-        //[webview_ setEnabledGestures:2];
+        CGRect prgrect = {{
+            ovrrect.size.width - prgsize.width - 10,
+            (ovrrect.size.height - prgsize.height) / 2
+        } , prgsize};
 
-        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:0];
-        indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 43, indsize.width, indsize.height)];
-        [indicator_ setStyle:0];
+        progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
+        [progress_ setStyle:0];
+        [overlay_ addSubview:progress_];
 
-        Package *package([database_ packageWithName:@"cydia"]);
-        NSString *application = package == nil ? @"Cydia" : [NSString
-            stringWithFormat:@"Cydia/%@",
-            [package installed]
-        ];
+        cancel_ = [[UINavigationButton alloc] initWithTitle:@"Cancel" style:UINavigationButtonStyleHighlighted];
+        [cancel_ addTarget:self action:@selector(_onCancel) forControlEvents:UIControlEventTouchUpInside];
 
-        WebView *webview = [webview_ webView];
-        [webview setApplicationNameForUserAgent:application];
-        [webview setFrameLoadDelegate:self];
-        [webview setResourceLoadDelegate:self];
-        [webview setUIDelegate:self];
+        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];
 
-        urls_ = [[NSMutableArray alloc] initWithCapacity:16];
+        [cancel_ setBarStyle:barstyle];
     } return self;
 }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+- (void) _onCancel {
+    updating_ = false;
+    [cancel_ removeFromSuperview];
 }
 
-- (void) _leftButtonClicked {
-    UIAlertSheet *sheet = [[[UIAlertSheet alloc]
-        initWithTitle:@"About Cydia Packager"
-        buttons:[NSArray arrayWithObjects:@"Close", nil]
-        defaultButtonIndex:0
-        delegate:self
-        context:self
-    ] autorelease];
+- (void) _update { _pooled
+    Status status;
+    status.setDelegate(self);
 
-    [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/"
+    [database_ updateWithStatus:status];
+
+    [self
+        performSelectorOnMainThread:@selector(_update_)
+        withObject:nil
+        waitUntilDone:NO
     ];
+}
 
-    [sheet popupAlertAnimated:YES];
+- (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
+    [prompt_ setText:[NSString stringWithFormat:@"Error: %@", error]];
 }
 
-- (void) _rightButtonClicked {
-    [self reloadURL];
+- (void) setProgressTitle:(NSString *)title {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressTitle:)
+        withObject:title
+        waitUntilDone:YES
+    ];
 }
 
-- (NSString *) leftButtonTitle {
-    return @"About";
+- (void) setProgressPercent:(float)percent {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressPercent:)
+        withObject:[NSNumber numberWithFloat:percent]
+        waitUntilDone:YES
+    ];
 }
 
-- (NSString *) rightButtonTitle {
-    return loading_ ? @"" : @"Reload";
+- (void) startProgress {
 }
 
-- (NSString *) title {
-    return nil;
+- (void) addProgressOutput:(NSString *)output {
+    [self
+        performSelectorOnMainThread:@selector(_addProgressOutput:)
+        withObject:output
+        waitUntilDone:YES
+    ];
 }
 
-- (NSString *) backButtonTitle {
-    return @"Browser";
+- (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_;
 }
 
-- (void) setPageActive:(BOOL)active {
-    if (active)
-        [book_ addSubview:indicator_];
-    else
-        [indicator_ removeFromSuperview];
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    [sheet dismiss];
 }
 
-- (void) resetViewAnimated:(BOOL)animated {
+- (void) _setProgressTitle:(NSString *)title {
+    [prompt_ setText:title];
+}
+
+- (void) _setProgressPercent:(NSNumber *)percent {
+    [progress_ setProgress:[percent floatValue]];
+}
+
+- (void) _addProgressOutput:(NSString *)output {
 }
 
 @end
 /* }}} */
+/* Cydia:// Protocol {{{ */
+@interface CydiaURLProtocol : NSURLProtocol {
+}
 
-@interface CYBook : RVBook <
-    ProgressDelegate
-> {
-    _transient Database *database_;
-    UIView *overlay_;
-    UIProgressIndicator *indicator_;
-    UITextLabel *prompt_;
-    UIProgressBar *progress_;
-    bool updating_;
+@end
+
+@implementation CydiaURLProtocol
+
++ (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;
 }
 
-- (id) initWithFrame:(CGRect)frame database:(Database *)database;
-- (void) update;
-- (BOOL) updating;
++ (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
+    return request;
+}
+
+- (void) startLoading {
+    id<NSURLProtocolClient> client([self client]);
+    NSURLRequest *request([self request]);
+
+    NSURL *url([request URL]);
+    NSString *href([url absoluteString]);
+
+    NSString *path([href substringFromIndex:8]);
+    NSRange slash([path rangeOfString:@"/"]);
+
+    NSString *command;
+    if (slash.location == NSNotFound) {
+        command = path;
+        path = nil;
+    } else {
+        command = [path substringToIndex:slash.location];
+        path = [path substringFromIndex:(slash.location + 1)];
+    }
+
+    Database *database([Database sharedInstance]);
+
+    if ([command isEqualToString:@"package-icon"]) {
+        if (path == nil)
+            goto fail;
+        Package *package([database packageWithName:path]);
+        if (package == nil)
+            goto fail;
+
+        NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
+
+        UIImage *icon([package icon]);
+        NSData *data(UIImagePNGRepresentation(icon));
+
+        [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) stopLoading {
+}
 
 @end
+/* }}} */
 
 /* Install View {{{ */
 @interface InstallView : RVPage {
     _transient Database *database_;
-    NSMutableArray *packages_;
     NSMutableArray *sections_;
+    NSMutableArray *filtered_;
+    UITransitionView *transition_;
     UITable *list_;
+    UIView *accessory_;
+    BOOL editing_;
 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database;
 - (void) reloadData;
+- (void) resetView;
 
 @end
 
@@ -3349,14 +5493,16 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [list_ setDataSource:nil];
     [list_ setDelegate:nil];
 
-    [packages_ release];
     [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 {
@@ -3366,12 +5512,19 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
     if (reusing == nil)
         reusing = [[[SectionCell alloc] init] autorelease];
-    [(SectionCell *)reusing setSection:(row == 0 ? nil : [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 {
@@ -3380,22 +5533,31 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         return;
 
     Section *section;
+    NSString *name;
     NSString *title;
 
     if (row == 0) {
         section = nil;
+        name = nil;
         title = @"All Packages";
     } else {
-        section = [sections_ objectAtIndex:(row - 1)];
-        title = [section name];
+        section = [filtered_ objectAtIndex:(row - 1)];
+        name = [section name];
+
+        if (name != nil)
+            title = name;
+        else {
+            name = @"";
+            title = @"(No Section)";
+        }
     }
 
     PackageTable *table = [[[PackageTable alloc]
         initWithBook:book_
         database:database_
         title:title
-        filter:@selector(isUninstalledInSection:)
-        with:(section == nil ? nil : [section name])
+        filter:@selector(isVisiblyUninstalledInSection:)
+        with:name
     ] autorelease];
 
     [table setDelegate:delegate_];
@@ -3407,11 +5569,14 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     if ((self = [super initWithBook:book]) != nil) {
         database_ = database;
 
-        packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
+        filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
 
-        list_ = [[UITable alloc] initWithFrame:[self bounds]];
-        [self addSubview:list_];
+        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
+        [self addSubview:transition_];
+
+        list_ = [[UITable alloc] initWithFrame:[transition_ bounds]];
+        [transition_ transition:0 toView:list_];
 
         UITableColumn *column = [[[UITableColumn alloc]
             initWithTitle:@"Name"
@@ -3426,51 +5591,104 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         [list_ setReusesTableCells:YES];
 
         [self reloadData];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
 - (void) reloadData {
     NSArray *packages = [database_ packages];
 
-    [packages_ removeAllObjects];
     [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(compareBySection:)];
+    [sections_ addObjectsFromArray:[sections allValues]];
+    [sections_ sortUsingSelector:@selector(compareByName:)];
+
+    _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 || name != nil && ![[section name] isEqualToString:name]) {
-            section = [[[Section alloc] initWithName:name row:offset] autorelease];
-            [sections_ addObject:section];
+            section = name == nil ?
+                [[[Section alloc] initWithName:nil] autorelease] :
+                [sections objectForKey:name];
+            [filtered_ addObject:section];
         }
 
         [section addToCount];
     }
+    _trace();
 
     [list_ reloadData];
+    _trace();
+}
+
+- (void) resetView {
+    if (editing_)
+        [self _rightButtonClicked];
 }
 
 - (void) resetViewAnimated:(BOOL)animated {
     [list_ resetViewAnimated:animated];
 }
 
+- (void) _rightButtonClicked {
+    if ((editing_ = !editing_))
+        [list_ reloadData];
+    else
+        [delegate_ updateData];
+    [book_ reloadTitleForPage:self];
+    [book_ reloadButtonsForPage:self];
+}
+
 - (NSString *) title {
-    return @"Install";
+    return editing_ ? @"Section Visibility" : @"Install by Section";
 }
 
 - (NSString *) backButtonTitle {
     return @"Sections";
 }
 
+- (NSString *) rightButtonTitle {
+    return [sections_ count] == 0 ? nil : editing_ ? @"Done" : @"Edit";
+}
+
+- (UINavigationButtonStyle) rightButtonStyle {
+    return editing_ ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
+}
+
+- (UIView *) accessoryView {
+    return accessory_;
+}
+
 @end
 /* }}} */
 /* Changes View {{{ */
@@ -3516,7 +5734,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 }
 
 - (float) table:(UITable *)table heightForRow:(int)row {
-    return 73;
+    return [PackageCell heightForPackage:[packages_ objectAtIndex:row]];
 }
 
 - (UITableCell *) table:(UITable *)table cellForRow:(int)row column:(UITableColumn *)col reusing:(UITableCell *)reusing {
@@ -3577,6 +5795,9 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         [table setReusesTableCells:YES];
 
         [self reloadData];
+
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
@@ -3586,53 +5807,59 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [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:)];
+    _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;
 
     upgrades_ = 0;
     bool unseens = false;
 
-    CFLocaleRef locale = CFLocaleCopyCurrent();
-    CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, locale, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
+    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 upgradable]) {
-            ++upgrades_;
-            [upgradable addToCount];
-        } else {
+        if (![package upgradableAndEssential:YES]) {
             unseens = true;
             NSDate *seen = [package seen];
 
-            NSString *name;
-
-            if (seen == nil)
-                name = [@"n/a ?" retain];
-            else {
-                name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) seen);
-            }
+            if (section == nil || last != seen && (seen == nil || [seen compare:last] != NSOrderedSame)) {
+                last = seen;
 
-            if (section == nil || ![[section name] isEqualToString: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];
             }
 
-            [name release];
             [section addToCount];
+        } else if ([package ignored])
+            [ignored addToCount];
+        else {
+            ++upgrades_;
+            [upgradable addToCount];
         }
     }
+    _trace();
 
     CFRelease(formatter);
-    CFRelease(locale);
 
     if (unseens) {
         Section *last = [sections_ lastObject];
@@ -3641,6 +5868,8 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         [sections_ removeLastObject];
     }
 
+    if ([ignored count] != 0)
+        [sections_ insertObject:ignored atIndex:0];
     if (upgrades_ != 0)
         [sections_ insertObject:upgradable atIndex:0];
 
@@ -3657,7 +5886,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 }
 
 - (NSString *) rightButtonTitle {
-    return upgrades_ == 0 ? nil : [NSString stringWithFormat:@"Upgrade All (%u)", upgrades_];
+    return upgrades_ == 0 ? nil : [NSString stringWithFormat:@"Upgrade (%u)", upgrades_];
 }
 
 - (NSString *) title {
@@ -3679,6 +5908,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     UIPreferencesTable *advanced_;
     UIView *dimmed_;
     bool flipped_;
+    bool reload_;
 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database;
@@ -3689,9 +5919,6 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 @implementation SearchView
 
 - (void) dealloc {
-#ifndef __OBJC2__
-    [[field_ textTraits] setEditingDelegate:nil];
-#endif
     [field_ setDelegate:nil];
 
     [accessory_ release];
@@ -3703,30 +5930,92 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [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;
+
+    UIFrameAnimation *animation = [[[UIFrameAnimation alloc] initWithTarget:[table_ list]] autorelease];
+    [animation setSignificantRectFields:8];
+
+    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 {
-    [delegate_ showKeyboard:YES];
-    [table_ setEnabled:NO];
-    [self addSubview:dimmed_];
+    [self _showKeyboard:YES];
 }
 
 - (void) textFieldDidResignFirstResponder:(UITextField *)field {
-    [dimmed_ removeFromSuperview];
-    [table_ setEnabled:YES];
-    [delegate_ showKeyboard:NO];
+    [self _showKeyboard:NO];
 }
 
 - (void) keyboardInputChanged:(UIFieldEditor *)editor {
-    NSString *text([field_ text]);
-    [field_ setClearButtonStyle:(text == nil || [text length] == 0 ? 0 : 2)];
+    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')
+    if ([text length] != 1 || [text characterAtIndex:0] != '\n') {
+        reload_ = true;
         return YES;
-
-    [self reloadData];
-    [field_ resignFirstResponder];
-    return NO;
+    } else {
+        [field_ resignFirstResponder];
+        return NO;
+    }
 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database {
@@ -3737,63 +6026,81 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
         [self addSubview:pinstripe];*/
 
-        dimmed_ = [[UIView alloc] initWithFrame:pageBounds];
-        CGColor dimmed(space_, 0, 0, 0, 0.5);
-        [dimmed_ setBackgroundColor:dimmed];
-
         transition_ = [[UITransitionView alloc] initWithFrame:pageBounds];
         [self addSubview:transition_];
 
         advanced_ = [[UIPreferencesTable alloc] initWithFrame:pageBounds];
 
+        [advanced_ setReusesTableCells:YES];
+        [advanced_ setDataSource:self];
+        [advanced_ reloadData];
+
+        dimmed_ = [[UIView alloc] initWithFrame:pageBounds];
+        CGColor dimmed(space_, 0, 0, 0, 0.5);
+        [dimmed_ setBackgroundColor:[UIColor colorWithCGColor:dimmed]];
+
         table_ = [[PackageTable alloc]
             initWithBook:book
             database:database
             title:nil
-            filter:@selector(isSearchedForBy:)
+            filter:@selector(isUnfilteredAndSearchedForBy:)
             with:nil
         ];
 
+        [table_ setShouldHideHeaderInShortLists:NO];
         [transition_ transition:0 toView:table_];
 
-        CGRect cnfrect = {{3, 36}, {17, 18}};
+        CGRect cnfrect = {{
+#ifdef __OBJC2__
+        6 +
+#endif
+        1, 38}, {17, 18}};
 
         CGRect area;
-        area.origin.x = cnfrect.size.width + 12;
-        area.origin.y = 30;
-        area.size.width = [self bounds].size.width - area.origin.x - 18;
+        area.origin.x = /*cnfrect.origin.x + cnfrect.size.width + 4 +*/ 10;
+        area.origin.y = 1;
+
+        area.size.width =
+#ifdef __OBJC2__
+            8 +
+#endif
+            [self bounds].size.width - area.origin.x - 18;
+
         area.size.height = [UISearchField defaultHeight];
 
         field_ = [[UISearchField alloc] initWithFrame:area];
 
-        GSFontRef font = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 16);
+        UIFont *font = [UIFont systemFontOfSize:16];
         [field_ setFont:font];
-        CFRelease(font);
 
         [field_ setPlaceholder:@"Package Names & Descriptions"];
-        [field_ setPaddingTop:5];
         [field_ setDelegate:self];
 
-#ifndef __OBJC2__
-        UITextTraits *traits = [field_ textTraits];
-        [traits setEditingDelegate:self];
+        [field_ setPaddingTop:5];
+
+        UITextInputTraits *traits = [field_ textInputTraits];
+        [traits setAutocapitalizationType:0];
+        [traits setAutocorrectionType:1];
         [traits setReturnKeyType:6];
-        [traits setAutoCapsType:0];
-        [traits setAutoCorrectionType:1];
-#endif
 
-        UIPushButton *configure = [[[UIPushButton alloc] initWithFrame:cnfrect] autorelease];
+        CGRect accrect = {{0, 6}, {6 + cnfrect.size.width + 6 + area.size.width + 6, area.size.height}};
+
+        accessory_ = [[UIView alloc] initWithFrame:accrect];
+        [accessory_ addSubview:field_];
+
+        /*UIPushButton *configure = [[[UIPushButton alloc] initWithFrame:cnfrect] autorelease];
         [configure setShowPressFeedback:YES];
-        [configure setImage:[UIImage applicationImageNamed:@"configure.png"]];
+        [configure setImage:[UIImage applicationImageNamed:@"advanced.png"]];
         [configure addTarget:self action:@selector(configurePushed) forEvents:1];
+        [accessory_ addSubview:configure];*/
 
-        accessory_ = [[UIView alloc] initWithFrame:CGRectMake(0, 6, cnfrect.size.width + area.size.width + 6 * 3, area.size.height + 30)];
-        [accessory_ addSubview:field_];
-        [accessory_ addSubview:configure];
+        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
+        [table_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
     } return self;
 }
 
 - (void) flipPage {
+#ifndef __OBJC2__
     LKAnimation *animation = [LKTransition animation];
     [animation setType:@"oglFlip"];
     [animation setTimingFunction:[LKTimingFunction functionWithName:@"easeInEaseOut"]];
@@ -3805,6 +6112,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [[transition_ _layer] addAnimation:animation forKey:0];
     [transition_ transition:0 toView:(flipped_ ? (UIView *) table_ : (UIView *) advanced_)];
     flipped_ = !flipped_;
+#endif
 }
 
 - (void) configurePushed {
@@ -3818,6 +6126,9 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     [table_ resetViewAnimated:animated];
 }
 
+- (void) _reloadData {
+}
+
 - (void) reloadData {
     if (flipped_)
         [self flipPage];
@@ -3838,158 +6149,244 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     return @"Search";
 }
 
+- (void) setDelegate:(id)delegate {
+    [table_ setDelegate:delegate];
+    [super setDelegate:delegate];
+}
+
 @end
 /* }}} */
 
-@implementation CYBook
+@interface SettingsView : RVPage {
+    _transient Database *database_;
+    NSString *name_;
+    Package *package_;
+    UIPreferencesTable *table_;
+    _UISwitchSlider *subscribedSwitch_;
+    _UISwitchSlider *ignoredSwitch_;
+    UIPreferencesControlTableCell *subscribedCell_;
+    UIPreferencesControlTableCell *ignoredCell_;
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package;
+
+@end
+
+@implementation SettingsView
 
 - (void) dealloc {
-    [overlay_ release];
-    [indicator_ release];
-    [prompt_ release];
-    [progress_ release];
+    [table_ setDataSource:nil];
+
+    [name_ release];
+    if (package_ != nil)
+        [package_ release];
+    [table_ release];
+    [subscribedSwitch_ release];
+    [ignoredSwitch_ release];
+    [subscribedCell_ release];
+    [ignoredCell_ release];
     [super dealloc];
 }
 
-- (BOOL) updating {
-    return updating_;
+- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
+    if (package_ == nil)
+        return 0;
+
+    return 2;
 }
 
-- (void) update {
-    [navbar_ setPrompt:@""];
-    [navbar_ addSubview:overlay_];
-    [indicator_ startAnimation];
-    [prompt_ setText:@"Updating Database..."];
-    [progress_ setProgress:0];
+- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
+    if (package_ == nil)
+        return nil;
 
-    updating_ = true;
+    switch (group) {
+        case 0: return nil;
+        case 1: return nil;
 
-    [NSThread
-        detachNewThreadSelector:@selector(_update)
-        toTarget:self
-        withObject:nil
-    ];
+        default: _assert(false);
+    }
+
+    return nil;
 }
 
-- (void) _update_ {
-    updating_ = false;
+- (BOOL) preferencesTable:(UIPreferencesTable *)table isLabelGroup:(int)group {
+    if (package_ == nil)
+        return NO;
 
-    [overlay_ removeFromSuperview];
-    [indicator_ stopAnimation];
-    [delegate_ reloadData];
+    switch (group) {
+        case 0: return NO;
+        case 1: return YES;
+
+        default: _assert(false);
+    }
 
-    [self setPrompt:[NSString stringWithFormat:@"Last Updated: %@", GetLastUpdate()]];
+    return NO;
 }
 
-- (id) initWithFrame:(CGRect)frame database:(Database *)database {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        database_ = database;
+- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
+    if (package_ == nil)
+        return 0;
 
-        CGRect ovrrect = [navbar_ bounds];
-        ovrrect.size.height = [UINavigationBar defaultSizeWithPrompt].height - [UINavigationBar defaultSize].height;
+    switch (group) {
+        case 0: return 1;
+        case 1: return 1;
 
-        overlay_ = [[UIView alloc] initWithFrame:ovrrect];
+        default: _assert(false);
+    }
 
-        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:2];
-        unsigned indoffset = (ovrrect.size.height - indsize.height) / 2;
-        CGRect indrect = {{indoffset, indoffset}, indsize};
+    return 0;
+}
 
-        indicator_ = [[UIProgressIndicator alloc] initWithFrame:indrect];
-        [indicator_ setStyle:2];
-        [overlay_ addSubview:indicator_];
+- (void) onSomething:(UIPreferencesControlTableCell *)cell withKey:(NSString *)key {
+    if (package_ == nil)
+        return;
 
-        CGSize prmsize = {200, indsize.width};
+    _UISwitchSlider *slider([cell control]);
+    // XXX: this is just weird
+    BOOL value([slider value] != 0);
+    NSMutableDictionary *metadata([package_ metadata]);
 
-        CGRect prmrect = {{
-            indoffset * 2 + indsize.width,
-            (ovrrect.size.height - prmsize.height) / 2
-        }, prmsize};
+    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];
+    }
+}
 
-        GSFontRef font = GSFontCreateWithName("Helvetica", kGSFontTraitNone, 12);
+- (void) onSubscribed:(UIPreferencesControlTableCell *)cell {
+    [self onSomething:cell withKey:@"IsSubscribed"];
+}
 
-        prompt_ = [[UITextLabel alloc] initWithFrame:prmrect];
+- (void) onIgnored:(UIPreferencesControlTableCell *)cell {
+    [self onSomething:cell withKey:@"IsIgnored"];
+}
 
-        [prompt_ setColor:White_];
-        [prompt_ setBackgroundColor:Clear_];
-        [prompt_ setFont:font];
+- (id) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
+    if (package_ == nil)
+        return nil;
 
-        CFRelease(font);
+    switch (group) {
+        case 0: switch (row) {
+            case 0:
+                return subscribedCell_;
+            case 1:
+                return ignoredCell_;
+            default: _assert(false);
+        } break;
 
-        [overlay_ addSubview:prompt_];
+        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;
+            }
 
-        CGSize prgsize = {75, 100};
+            default: _assert(false);
+        } break;
 
-        CGRect prgrect = {{
-            ovrrect.size.width - prgsize.width - 10,
-            (ovrrect.size.height - prgsize.height) / 2
-        } , prgsize};
+        default: _assert(false);
+    }
 
-        progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
-        [progress_ setStyle:0];
-        [overlay_ addSubview:progress_];
-    } return self;
+    return nil;
 }
 
-- (void) _update {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package {
+    if ((self = [super initWithBook:book])) {
+        database_ = database;
+        name_ = [package retain];
 
-    Status status;
-    status.setDelegate(self);
+        table_ = [[UIPreferencesTable alloc] initWithFrame:[self bounds]];
+        [self addSubview:table_];
 
-    [database_ updateWithStatus:status];
+        subscribedSwitch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(200, 10, 50, 20)];
+        [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:kUIControlEventMouseUpInside];
 
-    [self
-        performSelectorOnMainThread:@selector(_update_)
-        withObject:nil
-        waitUntilDone:NO
-    ];
+        ignoredSwitch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(200, 10, 50, 20)];
+        [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:kUIControlEventMouseUpInside];
+
+        subscribedCell_ = [[UIPreferencesControlTableCell alloc] init];
+        [subscribedCell_ setTitle:@"Show All Changes"];
+        [subscribedCell_ setControl:subscribedSwitch_];
 
-    [pool release];
+        ignoredCell_ = [[UIPreferencesControlTableCell alloc] init];
+        [ignoredCell_ setTitle:@"Ignore Upgrades"];
+        [ignoredCell_ setControl:ignoredSwitch_];
+
+        [table_ setDataSource:self];
+        [self reloadData];
+    } return self;
 }
 
-- (void) setProgressError:(NSString *)error {
-    [self
-        performSelectorOnMainThread:@selector(_setProgressError:)
-        withObject:error
-        waitUntilDone:YES
-    ];
+- (void) resetViewAnimated:(BOOL)animated {
+    [table_ resetViewAnimated:animated];
 }
 
-- (void) setProgressTitle:(NSString *)title {
-    [self
-        performSelectorOnMainThread:@selector(_setProgressTitle:)
-        withObject:title
-        waitUntilDone:YES
-    ];
+- (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];
+    }
+
+    [table_ reloadData];
 }
 
-- (void) setProgressPercent:(float)percent {
+- (NSString *) title {
+    return @"Settings";
 }
 
-- (void) addProgressOutput:(NSString *)output {
-    [self
-        performSelectorOnMainThread:@selector(_addProgressOutput:)
-        withObject:output
-        waitUntilDone:YES
-    ];
+@end
+
+/* Signature View {{{ */
+@interface SignatureView : BrowserView {
+    _transient Database *database_;
+    NSString *package_;
 }
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package;
+
+@end
+
+@implementation SignatureView
+
+- (void) dealloc {
+    [package_ release];
+    [super dealloc];
 }
 
-- (void) _setProgressError:(NSString *)error {
-    [prompt_ setText:[NSString stringWithFormat:@"Error: %@", error]];
+- (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
+    // XXX: dude!
+    [super webView:sender didClearWindowObject:window forFrame:frame];
 }
 
-- (void) _setProgressTitle:(NSString *)title {
-    [prompt_ setText:[title stringByAppendingString:@"..."]];
+- (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;
 }
 
-- (void) _addProgressOutput:(NSString *)output {
+- (void) resetViewAnimated:(BOOL)animated {
+}
+
+- (void) reloadData {
+    [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"signature" ofType:@"html"]]];
 }
 
 @end
+/* }}} */
 
 @interface Cydia : UIApplication <
     ConfirmationViewDelegate,
@@ -4002,9 +6399,12 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     UIView *underlay_;
     UIView *overlay_;
     CYBook *book_;
-    UIButtonBar *buttonbar_;
+    UIToolbar *buttonbar_;
+
+    RVBook *confirm_;
 
-    ConfirmationView *confirm_;
+    NSMutableArray *essential_;
+    NSMutableArray *broken_;
 
     Database *database_;
     ProgressView *progress_;
@@ -4012,54 +6412,166 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     unsigned tag_;
 
     UIKeyboard *keyboard_;
+    UIProgressHUD *hud_;
+
+    InstallView *install_;
+    ChangesView *changes_;
+    ManageView *manage_;
+    SearchView *search_;
 }
 
 @end
 
 @implementation Cydia
 
+- (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];
+
+        [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];
+
+        [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 {
     /*UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
     [hud setText:@"Reloading Data"];
     [overlay_ addSubview:hud];
     [hud show:YES];*/
 
-    [database_ reloadData];
+    _trace();
+    [database_ reloadData];
+    _trace();
+
+    size_t changes(0);
+
+    [essential_ removeAllObjects];
+    [broken_ removeAllObjects];
+
+    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 (changes != 0) {
+        NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
+        [buttonbar_ setBadgeValue:badge forButton:3];
+        if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
+            [buttonbar_ setBadgeAnimated:YES forButton:3];
+        [self setApplicationBadge:badge];
+    } else {
+        [buttonbar_ setBadgeValue:nil forButton:3];
+        if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
+            [buttonbar_ setBadgeAnimated:NO forButton:3];
+        [self removeApplicationBadge];
+    }
+
+    [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];
+}
 
-    size_t count = 16;
+- (void) syncData {
+    FILE *file = fopen("/etc/apt/sources.list.d/cydia.list", "w");
+    _assert(file != NULL);
 
-    if (Packages_ == nil) {
-        Packages_ = [[NSMutableDictionary alloc] initWithCapacity:count];
-        [Metadata_ setObject:Packages_ forKey:@"Packages"];
-    }
+    NSArray *keys = [Sources_ allKeys];
 
-    size_t changes(0);
+    for (int i(0), e([keys count]); i != e; ++i) {
+        NSString *key = [keys objectAtIndex:i];
+        NSDictionary *source = [Sources_ objectForKey:key];
 
-    NSArray *packages = [database_ packages];
-    for (int i(0), e([packages count]); i != e; ++i) {
-        Package *package = [packages objectAtIndex:i];
-        if ([package upgradable])
-            ++changes;
+        fprintf(file, "%s %s %s\n",
+            [[source objectForKey:@"Type"] UTF8String],
+            [[source objectForKey:@"URI"] UTF8String],
+            [[source objectForKey:@"Distribution"] UTF8String]
+        );
     }
 
-    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];
-        [self setApplicationBadge:badge];
-    } else {
-        [buttonbar_ setBadgeValue:nil forButton:3];
-        if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
-            [buttonbar_ setBadgeAnimated:NO forButton:3];
-        [self removeApplicationBadge];
-    }
+    fclose(file);
 
-    _assert([Metadata_ writeToFile:@"/var/lib/cydia/metadata.plist" atomically:YES] == YES);
+    [self _saveConfig];
 
-    [book_ reloadData];
-    /*[hud show:NO];
-    [hud removeFromSuperview];*/
+    [progress_
+        detachNewThreadSelector:@selector(update_)
+        toTarget:self
+        withObject:nil
+        title:@"Updating Sources"
+    ];
 }
 
 - (void) reloadData {
@@ -4080,31 +6592,14 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 - (void) perform {
     [database_ prepare];
 
-    if ([database_ cache]->BrokenCount() == 0)
-        confirm_ = [[ConfirmationView alloc] initWithView:underlay_ database:database_ delegate:self];
-    else {
-        NSMutableArray *broken = [NSMutableArray arrayWithCapacity:16];
-        NSArray *packages = [database_ packages];
-
-        for (size_t i(0); i != [packages count]; ++i) {
-            Package *package = [packages objectAtIndex:i];
-            if ([package broken])
-                [broken addObject:[package name]];
-        }
-
-        UIAlertSheet *sheet = [[[UIAlertSheet alloc]
-            initWithTitle:[NSString stringWithFormat:@"%d Broken Packages", [database_ cache]->BrokenCount()]
-            buttons:[NSArray arrayWithObjects:@"Okay", nil]
-            defaultButtonIndex:0
-            delegate:self
-            context:self
-        ] autorelease];
+    confirm_ = [[RVBook alloc] initWithFrame:[underlay_ bounds]];
+    [confirm_ setDelegate:self];
 
-        [sheet setBodyText:[NSString stringWithFormat:@"The following packages have unmet dependencies:\n\n%@", [broken componentsJoinedByString:@"\n"]]];
-        [sheet popupAlertAnimated:YES];
+    ConfirmationView *page([[[ConfirmationView alloc] initWithBook:confirm_ database:database_] autorelease]);
+    [page setDelegate:self];
 
-        [self _reloadData];
-    }
+    [confirm_ setPage:page];
+    [underlay_ popSubview:confirm_];
 }
 
 - (void) installPackage:(Package *)package {
@@ -4132,21 +6627,23 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 
 - (void) cancel {
     @synchronized (self) {
-        [confirm_ release];
-        confirm_ = nil;
         [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"
     ];
 }
 
@@ -4162,114 +6659,105 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         detachNewThreadSelector:@selector(bootstrap_)
         toTarget:self
         withObject:nil
-        title:@"Bootstrap Install..."
+        title:@"Bootstrap Install"
     ];
 }
 
 - (void) progressViewIsComplete:(ProgressView *)progress {
-    @synchronized (self) {
-        [self _reloadData];
-
-        if (confirm_ != nil) {
-            [underlay_ addSubview:overlay_];
-            [confirm_ removeFromSuperview];
-            [confirm_ release];
-            confirm_ = nil;
-        }
+    if (confirm_ != nil) {
+        [underlay_ addSubview:overlay_];
+        [confirm_ popFromSuperviewAnimated:NO];
     }
-}
 
-- (void) alertSheet:(UIAlertSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+    [self cancel];
 }
 
 - (void) setPage:(RVPage *)page {
+    [page resetViewAnimated:NO];
     [page setDelegate:self];
     [book_ setPage:page];
 }
 
-- (RVPage *) _setNewsPage {
-    BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
-    [self setPage:browser];
-    [browser loadURL:[NSURL URLWithString:@"http://cydia.saurik.com/"]];
+- (RVPage *) _pageForURL:(NSURL *)url withClass:(Class)_class {
+    BrowserView *browser = [[[_class alloc] initWithBook:book_] autorelease];
+    [browser loadURL:url];
     return browser;
 }
 
+- (void) _setHomePage {
+    [self setPage:[self _pageForURL:[NSURL URLWithString:@"http://cydia.saurik.com/"] withClass:[HomeView class]]];
+}
+
 - (void) buttonBarItemTapped:(id)sender {
     unsigned tag = [sender tag];
+    if (tag == tag_) {
+        [book_ resetViewAnimated:YES];
+        return;
+    } else if (tag_ == 2 && tag != 2)
+        [install_ resetView];
 
     switch (tag) {
-        case 1:
-            [self _setNewsPage];
-        break;
-
-        case 2:
-            [self setPage:[[[InstallView alloc] initWithBook:book_ database:database_] autorelease]];
-        break;
-
-        case 3:
-            [self setPage:[[[ChangesView alloc] initWithBook:book_ database:database_] autorelease]];
-        break;
+        case 1: [self _setHomePage]; break;
 
-        case 4:
-            [self setPage:[[[PackageTable alloc]
-                initWithBook:book_
-                database:database_
-                title:@"Manage"
-                filter:@selector(isInstalledInSection:)
-                with:nil
-            ] autorelease]];
-        break;
-
-        case 5:
-            [self setPage:[[[SearchView alloc] initWithBook:book_ database:database_] autorelease]];
-        break;
+        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);
+        default: _assert(false);
     }
 
     tag_ = tag;
 }
 
 - (void) applicationWillSuspend {
+    [database_ clean];
     [super applicationWillSuspend];
-
-    if (restart_)
-        if (FW_LEAST(1,1,3))
-            notify_post("com.apple.language.changed");
-        else
-            system("launchctl stop com.apple.SpringBoard");
 }
 
-- (void) applicationDidFinishLaunching:(id)unused {
-    _assert(pkgInitConfig(*_config));
-    _assert(pkgInitSystem(*_config, _system));
-
-    confirm_ = nil;
-    tag_ = 1;
+- (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];
 
-    CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
-    window_ = [[UIWindow alloc] initWithContentRect:screenrect];
+    [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];
+}
 
-    [window_ orderFront: self];
-    [window_ makeKey: self];
-    [window_ _setHidden: NO];
+- (void) finish {
+    if (hud_ != nil) {
+        [self setStatusBarShowsProgress:NO];
 
-    progress_ = [[ProgressView alloc] initWithFrame:[window_ bounds] delegate:self];
-    [window_ setContentView:progress_];
+        [hud_ show:NO];
+        [hud_ removeFromSuperview];
+        [hud_ autorelease];
+        hud_ = nil;
 
-    underlay_ = [[UIView alloc] initWithFrame:[progress_ bounds]];
-    [progress_ setContentView:underlay_];
+        pid_t pid = ExecFork();
+        if (pid == 0) {
+            execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
+            perror("launchctl stop");
+        }
 
-    overlay_ = [[UIView alloc] initWithFrame:[underlay_ bounds]];
+        return;
+    }
 
-    if (!bootstrap_)
-        [underlay_ addSubview:overlay_];
+    if (Role_ == nil) {
+        [self askForSettings];
+        return;
+    }
 
-    database_ = [[Database alloc] init];
-    [database_ setDelegate:progress_];
+    overlay_ = [[UIView alloc] initWithFrame:[underlay_ bounds]];
 
+    CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
     book_ = [[CYBook alloc] initWithFrame:CGRectMake(
         0, 0, screenrect.size.width, screenrect.size.height - 48
     ) database:database_];
@@ -4281,11 +6769,11 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
     NSArray *buttonitems = [NSArray arrayWithObjects:
         [NSDictionary dictionaryWithObjectsAndKeys:
             @"buttonBarItemTapped:", kUIButtonBarButtonAction,
-            @"news-up.png", kUIButtonBarButtonInfo,
-            @"news-dn.png", kUIButtonBarButtonSelectedInfo,
+            @"home-up.png", kUIButtonBarButtonInfo,
+            @"home-dn.png", kUIButtonBarButtonSelectedInfo,
             [NSNumber numberWithInt:1], kUIButtonBarButtonTag,
             self, kUIButtonBarButtonTarget,
-            @"News", kUIButtonBarButtonTitle,
+            @"Home", kUIButtonBarButtonTitle,
             @"0", kUIButtonBarButtonType,
         nil],
 
@@ -4295,7 +6783,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
             @"install-dn.png", kUIButtonBarButtonSelectedInfo,
             [NSNumber numberWithInt:2], kUIButtonBarButtonTag,
             self, kUIButtonBarButtonTarget,
-            @"Install", kUIButtonBarButtonTitle,
+            @"Sections", kUIButtonBarButtonTitle,
             @"0", kUIButtonBarButtonType,
         nil],
 
@@ -4330,11 +6818,11 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
         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
     ];
@@ -4349,7 +6837,7 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 
     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];
@@ -4357,37 +6845,330 @@ void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString
 
     [UIKeyboard initImplementationNow];
     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_];
+
+    if (!bootstrap_)
+        [underlay_ addSubview:overlay_];
 
     [self reloadData];
-    [book_ update];
 
-    [progress_ resetView];
+    install_ = [[InstallView alloc] initWithBook:book_ database:database_];
+    changes_ = [[ChangesView alloc] initWithBook:book_ database:database_];
+    search_ = [[SearchView alloc] initWithBook:book_ database:database_];
+
+    manage_ = (ManageView *) [[self
+        _pageForURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"manage" ofType:@"html"]]
+        withClass:[ManageView class]
+    ] retain];
 
     if (bootstrap_)
         [self bootstrap];
     else
-        [self _setNewsPage];
+        [self _setHomePage];
+}
+
+- (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;
+
+            case 2:
+                [broken_ removeAllObjects];
+                [self _loaded];
+            break;
+
+            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];
+
+    [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 (
+        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_];
-    else
-        [keyboard_ removeFromSuperview];
+    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:(UIAlertSheet *)alert {
-    [alert presentSheetFromButtonBar:buttonbar_];
+- (void) slideUp:(UIActionSheet *)alert {
+    if (Advanced_)
+        [alert presentSheetFromButtonBar:buttonbar_];
+    else
+        [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"];
@@ -4422,30 +7203,28 @@ 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;
 }*/
 
 /*IMP dealloc_;
 id Dealloc_(id self, SEL selector) {
     id object = dealloc_(self, selector);
-    fprintf(stderr, "[%s]D-%p\n", self->isa->name, object);
+    lprintf("[%s]D-%p\n", self->isa->name, object);
     return object;
 }*/
 
-int main(int argc, char *argv[]) {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
+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"];
@@ -4457,6 +7236,11 @@ int main(int argc, char *argv[]) {
     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_;*/
@@ -4465,57 +7249,95 @@ int main(int argc, char *argv[]) {
     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 UTF8String]);
-            NSArray *versions = [prover componentsSeparatedByString:@"."];
-            int count = [versions count];
-            Major_ = count > 0 ? [[versions objectAtIndex:0] intValue] : 0;
-            Minor_ = count > 1 ? [[versions objectAtIndex:1] intValue] : 0;
-            BugFix_ = count > 2 ? [[versions objectAtIndex:2] 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"];
+    }
+
+    if (Settings_ != nil)
+        Role_ = [Settings_ objectForKey:@"Role"];
+
+    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);
 
-    setenv("CYDIA", "", _not(int));
     if (access("/User", F_OK) != 0)
         system("/usr/libexec/cydia/firmware.sh");
-    system("dpkg --configure -a");
+
+    _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);
-    Clear_.Set(space_, 0.0, 0.0, 0.0, 0.0);
-    Red_.Set(space_, 1.0, 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 class]);
+    int value = UIApplicationMain(argc, argv, @"Cydia", @"Cydia");
 
     CGColorSpaceRelease(space_);
+    CFRelease(Locale_);
 
-    [pool release];
     return value;
 }