]> git.saurik.com Git - cydia.git/blobdiff - Cydia.mm
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[cydia.git] / Cydia.mm
index 7335bf69763297db50a792c4493a7a87945f9d8e..eecc2be430332940f09eabd28c00dcbbd65091de 100644 (file)
--- a/Cydia.mm
+++ b/Cydia.mm
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+// XXX: wtf/FastMalloc.h... wtf?
+#define USE_SYSTEM_MALLOC 1
+
 /* #include Directives {{{ */
+#import "UICaboodle.h"
+
+#include <objc/message.h>
 #include <objc/objc.h>
 #include <objc/runtime.h>
 
 #include <GraphicsServices/GraphicsServices.h>
 #include <Foundation/Foundation.h>
 
-#include <WebCore/DOMHTML.h>
 #import <QuartzCore/CALayer.h>
 
 #import <UIKit/UIKit.h>
 
 // XXX: remove
-#import <UIKit/UIActionSheet-Private.h>
-#import <UIKit/UIControl-UIControlPrivate.h>
-#import <UIKit/UIImage-UIImageDeprecated.h>
-#import <UIKit/UIImage-UIImagePrivate.h>
-#import <UIKit/UINavigationBar-Static.h>
-#import <UIKit/UIProgressHUD-Deprecated.h>
-#import <UIKit/UIToolbar-UIButtonBarPrivate.h>
-#import <UIKit/UIView-Deprecated.h>
-#import <UIKit/UIWindow-Static.h>
-
-// XXX: remove
-#import <UIKit/NSString-UIStringDrawingDeprecated.h>
-
-#include <WebKit/WebFrame.h>
-#include <WebKit/WebView.h>
+#import <MessageUI/MailComposeController.h>
 
+#include <iomanip>
 #include <sstream>
 #include <string>
 
 #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 <sys/param.h>
+#include <sys/mount.h>
 
 #include <notify.h>
 #include <dlfcn.h>
@@ -105,45 +100,209 @@ extern "C" {
 
 #import "BrowserView.h"
 #import "ResetView.h"
-#import "UICaboodle.h"
+
+#import "substrate.h"
 /* }}} */
 
-static const NSStringCompareOptions CompareOptions_ = NSCaseInsensitiveSearch | NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSForcedOrderingSearch;
+//#define _finline __attribute__((force_inline))
+#define _finline inline
 
-@interface WebView (Cydia)
-- (void) _setLayoutInterval:(float)interval;
-@end
+struct timeval _ltv;
+bool _itv;
 
-/* iPhoneOS 2.0 Compatibility {{{ */
-#ifdef __OBJC2__
-@interface UICGColor : NSObject {
+#define _limit(count) do { \
+    static size_t _count(0); \
+    if (++_count == count) \
+        exit(0); \
+} while (false)
+
+#define _timestamp ({ \
+    struct timeval tv; \
+    gettimeofday(&tv, NULL); \
+    tv.tv_sec * 1000000 + tv.tv_usec; \
+})
+
+typedef std::vector<class ProfileTime *> TimeList;
+TimeList times_;
+
+class ProfileTime {
+  private:
+    const char *name_;
+    uint64_t total_;
+    uint64_t count_;
+
+  public:
+    ProfileTime(const char *name) :
+        name_(name),
+        total_(0)
+    {
+        times_.push_back(this);
+    }
+
+    void AddTime(uint64_t time) {
+        total_ += time;
+        ++count_;
+    }
+
+    void Print() {
+        if (total_ != 0)
+            std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
+        total_ = 0;
+        count_ = 0;
+    }
+};
+
+class ProfileTimer {
+  private:
+    ProfileTime &time_;
+    uint64_t start_;
+
+  public:
+    ProfileTimer(ProfileTime &time) :
+        time_(time),
+        start_(_timestamp)
+    {
+    }
+
+    ~ProfileTimer() {
+        time_.AddTime(_timestamp - start_);
+    }
+};
+
+void PrintTimes() {
+    for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
+        (*i)->Print();
+    std::cerr << "========" << std::endl;
 }
 
-- (id) initWithCGColor:(CGColorRef)color;
-@end
+#define _profile(name) { \
+    static ProfileTime name(#name); \
+    ProfileTimer _ ## name(name);
+
+#define _end }
+
+/* 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;
+    }
+};
+/* }}} */
+
+#define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
+
+void NSLogPoint(const char *fix, const CGPoint &point) {
+    NSLog(@"%s(%g,%g)", fix, point.x, point.y);
+}
 
-@interface NSObject (iPhoneOS)
-- (CGColorRef) cgColor;
-- (CGColorRef) CGColor;
-- (void) set;
+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);
+}
+
+@interface NSObject (Cydia)
+- (id) yieldToSelector:(SEL)selector withObject:(id)object;
+- (id) yieldToSelector:(SEL)selector;
 @end
 
-@implementation NSObject (iPhoneOS)
+@implementation NSObject (Cydia)
+
+- (void) doNothing {
+}
+
+- (void) _yieldToContext:(NSMutableArray *)context { _pooled
+    SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
+    id object([[context objectAtIndex:1] nonretainedObjectValue]);
+    volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
+
+    /* XXX: deal with exceptions */
+    id value([self performSelector:selector withObject:object]);
+
+    [context removeAllObjects];
+    if (value != nil)
+        [context addObject:value];
+
+    stopped = true;
 
-- (CGColorRef) cgColor {
-    return [self CGColor];
+    [self
+        performSelectorOnMainThread:@selector(doNothing)
+        withObject:nil
+        waitUntilDone:NO
+    ];
 }
 
-- (CGColorRef) CGColor {
-    return (CGColorRef) self;
+- (id) yieldToSelector:(SEL)selector withObject:(id)object {
+    /*return [self performSelector:selector withObject:object];*/
+
+    volatile bool stopped(false);
+
+    NSMutableArray *context([NSMutableArray arrayWithObjects:
+        [NSValue valueWithPointer:selector],
+        [NSValue valueWithNonretainedObject:object],
+        [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
+    nil]);
+
+    NSThread *thread([[[NSThread alloc]
+        initWithTarget:self
+        selector:@selector(_yieldToContext:)
+        object:context
+    ] autorelease]);
+
+    [thread start];
+
+    NSRunLoop *loop([NSRunLoop currentRunLoop]);
+    NSDate *future([NSDate distantFuture]);
+
+    while (!stopped && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
+
+    return [context count] == 0 ? nil : [context objectAtIndex:0];
 }
 
-- (void) set {
-    [[[[objc_getClass("UICGColor") alloc] initWithCGColor:[self CGColor]] autorelease] set];
+- (id) yieldToSelector:(SEL)selector {
+    return [self yieldToSelector:selector withObject:nil];
 }
 
 @end
 
+/* NSForcedOrderingSearch doesn't work on the iPhone */
+static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
+static const NSStringCompareOptions BaseCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch;
+static const NSStringCompareOptions ForcedCompareOptions_ = BaseCompareOptions_;
+static const NSStringCompareOptions LaxCompareOptions_ = BaseCompareOptions_ | NSCaseInsensitiveSearch;
+
+/* iPhoneOS 2.0 Compatibility {{{ */
+#ifdef __OBJC2__
 @interface UITextView (iPhoneOS)
 - (void) setTextSize:(float)size;
 @end
@@ -158,9 +317,7 @@ static const NSStringCompareOptions CompareOptions_ = NSCaseInsensitiveSearch |
 #endif
 /* }}} */
 
-@interface UIApplication (IdleTimer)
-- (void) setIdleTimerDisabled:(char)arg0;
-@end
+extern NSString * const kCAFilterNearest;
 
 /* Information Dictionaries {{{ */
 @interface NSMutableArray (Cydia)
@@ -188,29 +345,167 @@ static const NSStringCompareOptions CompareOptions_ = NSCaseInsensitiveSearch |
 
 @end
 /* }}} */
+/* Pop Transitions {{{ */
+@interface PopTransitionView : UITransitionView {
+}
 
-extern "C" int UIApplicationMain(int argc, char *argv[], NSString *principalClassName, NSString *delegateClassName);
+@end
 
-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;
+@implementation PopTransitionView
 
-typedef enum {
-    kUIProgressIndicatorStyleLargeWhite = 0,
-    kUIProgressIndicatorStyleMediumWhite = 1,
-    kUIProgressIndicatorStyleMediumBrown = 2,
-    kUIProgressIndicatorStyleSmallWhite = 3,
-    kUIProgressIndicatorStyleSmallBlack = 4,
-    kUIProgressIndicatorStyleTinyWhite = 5,
-} UIProgressIndicatorStyle;
+- (void) transitionViewDidComplete:(UITransitionView *)view fromView:(UIView *)from toView:(UIView *)to {
+    if (from != nil && to == nil)
+        [self removeFromSuperview];
+}
+
+@end
+
+@implementation UIView (PopUpView)
+
+- (void) popFromSuperviewAnimated:(BOOL)animated {
+    [[self superview] transition:(animated ? UITransitionPushFromTop : UITransitionNone) toView:nil];
+}
+
+- (void) popSubview:(UIView *)view {
+    UITransitionView *transition([[[PopTransitionView alloc] initWithFrame:[self bounds]] autorelease]);
+    [transition setDelegate:transition];
+    [self addSubview:transition];
+
+    UIView *blank = [[[UIView alloc] initWithFrame:[transition bounds]] autorelease];
+    [transition transition:UITransitionNone toView:blank];
+    [transition transition:UITransitionPushFromBottom toView:view];
+}
+
+@end
+/* }}} */
+
+#define lprintf(args...) fprintf(stderr, args)
+
+#define ForRelease 1
+#define ForSaurik (0 && !ForRelease)
+#define LogBrowser (1 && !ForRelease)
+#define ManualRefresh (1 && !ForRelease)
+#define ShowInternals (1 && !ForRelease)
+#define IgnoreInstall (0 && !ForRelease)
+#define RecycleWebViews 0
+#define AlwaysReload (0 && !ForRelease)
+
+#if ForRelease
+#undef _trace
+#define _trace(args...)
+#undef _profile
+#define _profile(name) {
+#undef _end
+#define _end }
+#define PrintTimes() do {} while (false)
+#endif
+
+/* Radix Sort {{{ */
+@interface NSMutableArray (Radix)
+- (void) radixSortUsingSelector:(SEL)selector withObject:(id)object;
+@end
+
+@implementation NSMutableArray (Radix)
+
+- (void) radixSortUsingSelector:(SEL)selector withObject:(id)object {
+    NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[NSMethodSignature signatureWithObjCTypes:"L12@0:4@8"]]);
+    [invocation setSelector:selector];
+    [invocation setArgument:&object atIndex:2];
+
+    size_t count([self count]);
+
+    struct RadixItem {
+        size_t index;
+        uint32_t key;
+    } *swap(new RadixItem[count * 2]), *lhs(swap), *rhs(swap + count);
+
+    for (size_t i(0); i != count; ++i) {
+        RadixItem &item(lhs[i]);
+        item.index = i;
+
+        id object([self objectAtIndex:i]);
+        [invocation setTarget:object];
+
+        [invocation invoke];
+        [invocation getReturnValue:&item.key];
+    }
+
+    static const size_t width = 32;
+    static const size_t bits = 11;
+    static const size_t slots = 1 << bits;
+    static const size_t passes = (width + (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) >> width - 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) >> width - 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
+/* }}} */
+
+/* Apple Bug Fixes {{{ */
+@implementation UIWebDocumentView (Cydia)
+
+- (void) _setScrollerOffset:(CGPoint)offset {
+    UIScroller *scroller([self _scroller]);
+
+    CGSize size([scroller contentSize]);
+    CGSize bounds([scroller bounds].size);
+
+    CGPoint max;
+    max.x = size.width - bounds.width;
+    max.y = size.height - bounds.height;
+
+    // wtf Apple?!
+    if (max.x < 0)
+        max.x = 0;
+    if (max.y < 0)
+        max.y = 0;
+
+    offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
+    offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
+
+    [scroller setOffset:offset];
+}
+
+@end
+/* }}} */
 
 typedef enum {
     kUIControlEventMouseDown = 1 << 0,
@@ -221,23 +516,40 @@ typedef enum {
     kUIControlAllEvents = (kUIControlEventMouseDown | kUIControlEventMouseMovedInside | kUIControlEventMouseMovedOutside | kUIControlEventMouseUpInside | kUIControlEventMouseUpOutside)
 } UIControlEventMasks;
 
+NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
+    size_t length([self length] - state->state);
+    if (length <= 0)
+        return 0;
+    else if (length > count)
+        length = count;
+    for (size_t i(0); i != length; ++i)
+        objects[i] = [self item:state->state++];
+    state->itemsPtr = objects;
+    state->mutationsPtr = (unsigned long *) self;
+    return length;
+}
+
 @interface NSString (UIKit)
 - (NSString *) stringByAddingPercentEscapes;
 - (NSString *) stringByReplacingCharacter:(unsigned short)arg0 withCharacter:(unsigned short)arg1;
 @end
 
 @interface NSString (Cydia)
++ (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 - (NSComparisonResult) compareByPath:(NSString *)other;
+- (NSString *) stringByCachingURLWithCurrentCDN;
+- (NSString *) stringByAddingPercentEscapesIncludingReserved;
 @end
 
 @implementation NSString (Cydia)
 
++ (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
+    return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
+}
+
 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
-    char data[length + 1];
-    memcpy(data, bytes, length);
-    data[length] = '\0';
-    return [NSString stringWithUTF8String:data];
+    return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 }
 
 - (NSComparisonResult) compareByPath:(NSString *)other {
@@ -270,6 +582,26 @@ typedef enum {
     return result == NSOrderedSame ? value : result;
 }
 
+- (NSString *) stringByCachingURLWithCurrentCDN {
+    return [self
+        stringByReplacingOccurrencesOfString:@"://"
+        withString:@"://ne.edgecastcdn.net/8003A4/"
+        options:0
+        /* XXX: this is somewhat inaccurate */
+        range:NSMakeRange(0, 10)
+    ];
+}
+
+- (NSString *) stringByAddingPercentEscapesIncludingReserved {
+    return [(id)CFURLCreateStringByAddingPercentEscapes(
+        kCFAllocatorDefault, 
+        (CFStringRef) self,
+        NULL,
+        CFSTR(";/?:@&=+$,"),
+        kCFStringEncodingUTF8
+    ) autorelease];
+}
+
 @end
 
 /* Perl-Compatible RegEx {{{ */
@@ -290,7 +622,7 @@ 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);
         }
 
@@ -327,6 +659,8 @@ class Pcre {
 - (NSString *) name;
 - (NSString *) address;
 
+- (void) setAddress:(NSString *)address;
+
 + (Address *) addressWithString:(NSString *)string;
 - (Address *) initWithString:(NSString *)string;
 @end
@@ -348,6 +682,15 @@ class Pcre {
     return address_;
 }
 
+- (void) setAddress:(NSString *)address {
+    if (address_ != nil)
+        [address_ autorelease];
+    if (address == nil)
+        address_ = nil;
+    else
+        address_ = [address retain];
+}
+
 + (Address *) addressWithString:(NSString *)string {
     return [[[Address alloc] initWithString:string] autorelease];
 }
@@ -375,12 +718,7 @@ class Pcre {
             name_ = [address_r[1] retain];
             address_ = [address_r[2] retain];
         } else {
-            name_ = [[NSString alloc]
-                initWithBytes:data
-                length:size
-                encoding:kCFStringEncodingUTF8
-            ];
-
+            name_ = [string retain];
             address_ = nil;
         }
     } return self;
@@ -432,15 +770,25 @@ extern "C" void UISetColor(CGColorRef color);
 static const int PulseInterval_ = 50000;
 static const int ButtonBarHeight_ = 48;
 static const float KeyboardTime_ = 0.3f;
-static const char * const SpringBoard_ = "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist";
+
+#define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
+#define SandboxTemplate_ "/usr/share/sandbox/SandboxTemplate.sb"
+#define NotifyConfig_ "/etc/notify.conf"
+
+static bool Queuing_;
 
 static CGColor Blue_;
 static CGColor Blueish_;
 static CGColor Black_;
 static CGColor Off_;
-static CGColor Red_;
 static CGColor White_;
 static CGColor Gray_;
+static CGColor Green_;
+static CGColor Purple_;
+static CGColor Purplish_;
+
+static UIColor *InstallingColor_;
+static UIColor *RemovingColor_;
 
 static NSString *App_;
 static NSString *Home_;
@@ -456,22 +804,15 @@ static UIFont *Font14_;
 static UIFont *Font18Bold_;
 static UIFont *Font22Bold_;
 
-static const char *Firmware_ = NULL;
 static const char *Machine_ = NULL;
-static const NSString *UniqueID_ = NULL;
-
-unsigned Major_;
-unsigned Minor_;
-unsigned BugFix_;
+static const NSString *UniqueID_ = nil;
+static const NSString *Build_ = nil;
+static const NSString *Product_ = nil;
+static const NSString *Safari_ = nil;
 
 CFLocaleRef Locale_;
 CGColorSpaceRef space_;
 
-#define FW_LEAST(major, minor, bugfix) \
-    (major < Major_ || major == Major_ && \
-        (minor < Minor_ || minor == Minor_ && \
-            bugfix <= BugFix_))
-
 bool bootstrap_;
 bool reload_;
 
@@ -482,10 +823,13 @@ static _transient NSString *Role_;
 static _transient NSMutableDictionary *Packages_;
 static _transient NSMutableDictionary *Sections_;
 static _transient NSMutableDictionary *Sources_;
-static _transient NSMutableArray *Documents_;
 static bool Changed_;
 static NSDate *now_;
 
+#if RecycleWebViews
+static NSMutableArray *Documents_;
+#endif
+
 NSString *GetLastUpdate() {
     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 
@@ -506,6 +850,10 @@ 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;
@@ -514,7 +862,7 @@ NSString *SizeString(double size) {
 
     static const char *powers_[] = {"B", "kB", "MB", "GB"};
 
-    return [NSString stringWithFormat:@"%.1f%s", size, powers_[power]];
+    return [NSString stringWithFormat:@"%s%.1f %s", (negative ? "-" : ""), size, powers_[power]];
 }
 
 NSString *StripVersion(NSString *version) {
@@ -524,29 +872,6 @@ NSString *StripVersion(NSString *version) {
     return version;
 }
 
-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:[UIColor clearColor]];
-
-    CGRect frame = [text frame];
-    [text setFrame:frame];
-    CGRect rect = [text visibleTextRect];
-    frame.size.height = rect.size.height;
-    [text setFrame:frame];
-
-    return text;
-}
-
 NSString *Simplify(NSString *title) {
     const char *data = [title UTF8String];
     size_t size = [title length];
@@ -606,6 +931,7 @@ bool isSectionVisible(NSString *section) {
 @end
 
 @protocol CydiaDelegate
+- (void) clearPackage:(Package *)package;
 - (void) installPackage:(Package *)package;
 - (void) removePackage:(Package *)package;
 - (void) slideUp:(UIActionSheet *)alert;
@@ -614,6 +940,11 @@ bool isSectionVisible(NSString *section) {
 - (void) syncData;
 - (void) askForSettings;
 - (UIProgressHUD *) addProgressHUD;
+- (void) removeProgressHUD:(UIProgressHUD *)hud;
+- (RVPage *) pageForURL:(NSURL *)url hasTag:(int *)tag;
+- (RVPage *) pageForPackage:(NSString *)name;
+- (void) openMailToURL:(NSURL *)url;
+- (void) clearFirstResponder;
 @end
 /* }}} */
 
@@ -642,6 +973,7 @@ class Status :
     }
 
     virtual void Fetch(pkgAcquire::ItemDesc &item) {
+        //NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
         [delegate_ setProgressTitle:[NSString stringWithUTF8String:("Downloading " + item.ShortDesc).c_str()]];
     }
 
@@ -655,8 +987,19 @@ class Status :
         )
             return;
 
+        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:item.Owner->ErrorText.c_str()], nil]
+            withObject:[NSArray arrayWithObjects:
+                [NSString stringWithUTF8String:error.c_str()],
+                source,
+            nil]
             waitUntilDone:YES
         ];
     }
@@ -690,8 +1033,8 @@ class Progress :
 
   protected:
     virtual void Update() {
-        [delegate_ setProgressTitle:[NSString stringWithUTF8String:Op.c_str()]];
-        [delegate_ setProgressPercent:(Percent / 100)];
+        /*[delegate_ setProgressTitle:[NSString stringWithUTF8String:Op.c_str()]];
+        [delegate_ setProgressPercent:(Percent / 100)];*/
     }
 
   public:
@@ -705,13 +1048,15 @@ class Progress :
     }
 
     virtual void Done() {
-        [delegate_ setProgressPercent:1];
+        //[delegate_ setProgressPercent:1];
     }
 };
 /* }}} */
 
 /* Database Interface {{{ */
 @interface Database : NSObject {
+    unsigned era_;
+
     pkgCacheFile cache_;
     pkgDepCache::Policy *policy_;
     pkgRecords *records_;
@@ -733,6 +1078,9 @@ class Progress :
     FILE *input_;
 }
 
++ (Database *) sharedInstance;
+- (unsigned) era;
+
 - (void) _readCydia:(NSNumber *)fd;
 - (void) _readStatus:(NSNumber *)fd;
 - (void) _readOutput:(NSNumber *)fd;
@@ -741,12 +1089,12 @@ class Progress :
 
 - (Package *) packageWithName:(NSString *)name;
 
-- (Database *) init;
 - (pkgCacheFile &) cache;
 - (pkgDepCache::Policy *) policy;
 - (pkgRecords *) records;
 - (pkgProblemResolver *) resolver;
 - (pkgAcquire &) fetcher;
+- (pkgSourceList &) list;
 - (NSArray *) packages;
 - (NSArray *) sources;
 - (void) reloadData;
@@ -769,6 +1117,7 @@ class Progress :
     NSString *description_;
     NSString *label_;
     NSString *origin_;
+    NSString *support_;
 
     NSString *uri_;
     NSString *distribution_;
@@ -785,6 +1134,8 @@ class Progress :
 
 - (NSComparisonResult) compareByNameAndType:(Source *)source;
 
+- (NSString *) supportForPackage:(NSString *)package;
+
 - (NSDictionary *) record;
 - (BOOL) trusted;
 
@@ -806,24 +1157,27 @@ class Progress :
 
 @implementation Source
 
-- (void) dealloc {
-    [uri_ release];
-    [distribution_ release];
-    [type_ release];
+#define _clear(field) \
+    if (field != nil) \
+        [field release]; \
+    field = nil;
 
-    if (description_ != nil)
-        [description_ release];
-    if (label_ != nil)
-        [label_ release];
-    if (origin_ != nil)
-        [origin_ release];
-    if (version_ != nil)
-        [version_ release];
-    if (defaultIcon_ != nil)
-        [defaultIcon_ release];
-    if (record_ != nil)
-        [record_ release];
+- (void) _clear {
+    _clear(uri_)
+    _clear(distribution_)
+    _clear(type_)
+
+    _clear(description_)
+    _clear(label_)
+    _clear(origin_)
+    _clear(support_)
+    _clear(version_)
+    _clear(defaultIcon_)
+    _clear(record_)
+}
 
+- (void) dealloc {
+    [self _clear];
     [super dealloc];
 }
 
@@ -839,44 +1193,52 @@ class Progress :
     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 }
 
-- (Source *) initWithMetaIndex:(metaIndex *)index {
-    if ((self = [super init]) != nil) {
-        trusted_ = index->IsTrusted();
-
-        uri_ = [[NSString stringWithUTF8String:index->GetURI().c_str()] retain];
-        distribution_ = [[NSString stringWithUTF8String:index->GetDist().c_str()] retain];
-        type_ = [[NSString stringWithUTF8String:index->GetType()] retain];
-
-        debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
-        if (dindex != NULL) {
-            std::ifstream release(dindex->MetaIndexFile("Release").c_str());
-            std::string line;
-            while (std::getline(release, line)) {
-                std::string::size_type colon(line.find(':'));
-                if (colon == std::string::npos)
-                    continue;
+- (void) setMetaIndex:(metaIndex *)index {
+    [self _clear];
 
-                std::string name(line.substr(0, colon));
-                std::string value(line.substr(colon + 1));
-                while (!value.empty() && value[0] == ' ')
-                    value = value.substr(1);
-
-                if (name == "Default-Icon")
-                    defaultIcon_ = [[NSString stringWithUTF8String:value.c_str()] retain];
-                else if (name == "Description")
-                    description_ = [[NSString stringWithUTF8String:value.c_str()] retain];
-                else if (name == "Label")
-                    label_ = [[NSString stringWithUTF8String:value.c_str()] retain];
-                else if (name == "Origin")
-                    origin_ = [[NSString stringWithUTF8String:value.c_str()] retain];
-                else if (name == "Version")
-                    version_ = [[NSString stringWithUTF8String:value.c_str()] retain];
-            }
+    trusted_ = index->IsTrusted();
+
+    uri_ = [[NSString stringWithUTF8String:index->GetURI().c_str()] retain];
+    distribution_ = [[NSString stringWithUTF8String:index->GetDist().c_str()] retain];
+    type_ = [[NSString stringWithUTF8String:index->GetType()] retain];
+
+    debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
+    if (dindex != NULL) {
+        std::ifstream release(dindex->MetaIndexFile("Release").c_str());
+        std::string line;
+        while (std::getline(release, line)) {
+            std::string::size_type colon(line.find(':'));
+            if (colon == std::string::npos)
+                continue;
+
+            std::string name(line.substr(0, colon));
+            std::string value(line.substr(colon + 1));
+            while (!value.empty() && value[0] == ' ')
+                value = value.substr(1);
+
+            if (name == "Default-Icon")
+                defaultIcon_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+            else if (name == "Description")
+                description_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+            else if (name == "Label")
+                label_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+            else if (name == "Origin")
+                origin_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+            else if (name == "Support")
+                support_ = [[NSString stringWithUTF8String:value.c_str()] retain];
+            else if (name == "Version")
+                version_ = [[NSString stringWithUTF8String:value.c_str()] retain];
         }
+    }
+
+    record_ = [Sources_ objectForKey:[self key]];
+    if (record_ != nil)
+        record_ = [record_ retain];
+}
 
-        record_ = [Sources_ objectForKey:[self key]];
-        if (record_ != nil)
-            record_ = [record_ retain];
+- (Source *) initWithMetaIndex:(metaIndex *)index {
+    if ((self = [super init]) != nil) {
+        [self setMetaIndex:index];
     } return self;
 }
 
@@ -900,7 +1262,11 @@ class Progress :
             return NSOrderedDescending;
     }
 
-    return [lhs compare:rhs options:CompareOptions_];
+    return [lhs compare:rhs options:LaxCompareOptions_];
+}
+
+- (NSString *) supportForPackage:(NSString *)package {
+    return support_ == nil ? nil : [support_ stringByReplacingOccurrencesOfString:@"*" withString:package];
 }
 
 - (NSDictionary *) record {
@@ -993,36 +1359,9 @@ class Progress :
 @end
 /* }}} */
 /* Package Class {{{ */
-NSString *Scour(const char *field, const char *begin, const char *end) {
-    size_t i(0), l(strlen(field));
-
-    for (;;) {
-        const char *name = begin + i;
-        const char *colon = name + l;
-        const char *value = colon + 1;
-
-        if (
-            value < end &&
-            *colon == ':' &&
-            memcmp(name, field, l) == 0
-        ) {
-            while (value != end && value[0] == ' ')
-                ++value;
-            const char *line = std::find(value, end, '\n');
-            while (line != value && line[-1] == ' ')
-                --line;
-
-            return [NSString stringWithUTF8Bytes:value length:(line - value)];
-        } else {
-            begin = std::find(begin, end, '\n');
-            if (begin == end)
-                return nil;
-            ++begin;
-        }
-    }
-}
-
 @interface Package : NSObject {
+    unsigned era_;
+
     pkgCache::PkgIterator iterator_;
     _transient Database *database_;
     pkgCache::VerIterator version_;
@@ -1031,6 +1370,9 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     Source *source_;
     bool cached_;
 
+    NSString *section_;
+    bool essential_;
+
     NSString *latest_;
     NSString *installed_;
 
@@ -1042,6 +1384,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     NSString *homepage_;
     Address *sponsor_;
     Address *author_;
+    NSString *support_;
     NSArray *tags_;
     NSString *role_;
 
@@ -1054,12 +1397,19 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 - (pkgCache::PkgIterator) iterator;
 
 - (NSString *) section;
+- (NSString *) simpleSection;
+
+- (NSString *) uri;
+
 - (Address *) maintainer;
 - (size_t) size;
 - (NSString *) description;
-- (NSString *) index;
+- (unichar) index;
 
+- (NSMutableDictionary *) metadata;
 - (NSDate *) seen;
+- (BOOL) subscribed;
+- (BOOL) ignored;
 
 - (NSString *) latest;
 - (NSString *) installed;
@@ -1080,12 +1430,17 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 - (NSString *) id;
 - (NSString *) name;
 - (NSString *) tagline;
-- (NSString *) icon;
+- (UIImage *) icon;
 - (NSString *) homepage;
 - (NSString *) depiction;
 - (Address *) author;
 
+- (NSString *) support;
+
+- (NSArray *) files;
 - (NSArray *) relationships;
+- (NSArray *) warnings;
+- (NSArray *) applications;
 
 - (Source *) source;
 - (NSString *) role;
@@ -1094,19 +1449,22 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 
 - (bool) hasSupportingRole;
 - (BOOL) hasTag:(NSString *)tag;
+- (NSString *) primaryPurpose;
+- (NSArray *) purposes;
+- (bool) isCommercial;
 
 - (NSComparisonResult) compareByName:(Package *)package;
 - (NSComparisonResult) compareBySection:(Package *)package;
-- (NSComparisonResult) compareBySectionAndName:(Package *)package;
-- (NSComparisonResult) compareForChanges:(Package *)package;
+
+- (uint32_t) compareForChanges;
 
 - (void) install;
 - (void) remove;
 
-- (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search;
-- (NSNumber *) isInstalledAndVisible:(NSNumber *)number;
-- (NSNumber *) isVisiblyUninstalledInSection:(NSString *)section;
-- (NSNumber *) isVisibleInSource:(Source *)source;
+- (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
+- (bool) isInstalledAndVisible:(NSNumber *)number;
+- (bool) isVisiblyUninstalledInSection:(NSString *)section;
+- (bool) isVisibleInSource:(Source *)source;
 
 @end
 
@@ -1115,6 +1473,8 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 - (void) dealloc {
     if (source_ != nil)
         [source_ release];
+    if (section_ != nil)
+        [section_ release];
 
     [latest_ release];
     if (installed_ != nil)
@@ -1134,6 +1494,8 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         [sponsor_ release];
     if (author_ != nil)
         [author_ release];
+    if (support_ != nil)
+        [support_ release];
     if (tags_ != nil)
         [tags_ release];
     if (role_ != nil)
@@ -1145,8 +1507,19 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     [super dealloc];
 }
 
++ (NSString *) webScriptNameForSelector:(SEL)selector {
+    if (selector == @selector(hasTag:))
+        return @"hasTag";
+    else
+        return nil;
+}
+
++ (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
+    return [self webScriptNameForSelector:selector] == nil;
+}
+
 + (NSArray *) _attributeKeys {
-    return [NSArray arrayWithObjects:@"author", @"depiction", @"description", @"essential", @"homepage", @"icon", @"id", @"installed", @"latest", @"maintainer", @"name", @"section", @"size", @"source", @"sponsor", @"tagline", nil];
+    return [NSArray arrayWithObjects:@"applications", @"author", @"depiction", @"description", @"essential", @"homepage", @"icon", @"id", @"installed", @"latest", @"maintainer", @"mode", @"name", @"purposes", @"section", @"size", @"source", @"sponsor", @"support", @"tagline", @"warnings", nil];
 }
 
 - (NSArray *) attributeKeys {
@@ -1159,77 +1532,216 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 
 - (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
     if ((self = [super init]) != nil) {
+    _profile(Package$initWithIterator)
+    @synchronized (database) {
+        era_ = [database era];
+
         iterator_ = iterator;
         database_ = database;
 
-        version_ = [database_ policy]->GetCandidateVer(iterator_);
-        latest_ = version_.end() ? nil : [StripVersion([NSString stringWithUTF8String:version_.VerStr()]) retain];
+        _profile(Package$initWithIterator$Control)
+        _end
 
-        if (!version_.end())
-            file_ = version_.FileList();
-        else {
-            pkgCache &cache([database_ cache]);
-            file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
-        }
+        _profile(Package$initWithIterator$Version)
+            version_ = [database_ policy]->GetCandidateVer(iterator_);
+        _end
 
-        pkgCache::VerIterator current = iterator_.CurrentVer();
-        installed_ = current.end() ? nil : [StripVersion([NSString stringWithUTF8String:current.VerStr()]) retain];
-
-        id_ = [[[NSString stringWithUTF8String:iterator_.Name()] lowercaseString] 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];
-        }
+        NSString *latest = version_.end() ? nil : [NSString stringWithUTF8String:version_.VerStr()];
 
-        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;
+        _profile(Package$initWithIterator$Latest)
+            latest_ = latest == nil ? nil : [StripVersion(latest) retain];
+        _end
+
+        pkgCache::VerIterator current;
+        NSString *installed;
+
+        _profile(Package$initWithIterator$Current)
+            current = iterator_.CurrentVer();
+            installed = current.end() ? nil : [NSString stringWithUTF8String:current.VerStr()];
+        _end
+
+        _profile(Package$initWithIterator$Installed)
+            installed_ = [StripVersion(installed) retain];
+        _end
+
+        _profile(Package$initWithIterator$File)
+            if (!version_.end())
+                file_ = version_.FileList();
+            else {
+                pkgCache &cache([database_ cache]);
+                file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
+            }
+        _end
+
+        _profile(Package$initWithIterator$Name)
+            id_ = [[NSString stringWithUTF8String:iterator_.Name()] retain];
+        _end
+
+        if (!file_.end())
+            _profile(Package$initWithIterator$Parse)
+                pkgRecords::Parser *parser;
+
+                _profile(Package$initWithIterator$Parse$Lookup)
+                    parser = &[database_ records]->Lookup(file_);
+                _end
+
+                const char *begin, *end;
+                parser->GetRec(begin, end);
+
+                NSString *website(nil);
+                NSString *sponsor(nil);
+                NSString *author(nil);
+                NSString *tag(nil);
+
+                struct {
+                    const char *name_;
+                    NSString **value_;
+                } names[] = {
+                    {"name", &name_},
+                    {"icon", &icon_},
+                    {"depiction", &depiction_},
+                    {"homepage", &homepage_},
+                    {"website", &website},
+                    {"support", &support_},
+                    {"sponsor", &sponsor},
+                    {"author", &author},
+                    {"tag", &tag},
+                };
+
+                while (begin != end)
+                    if (*begin == '\n') {
+                        ++begin;
+                        continue;
+                    } else if (isblank(*begin)) next: {
+                        begin = static_cast<char *>(memchr(begin + 1, '\n', end - begin - 1));
+                        if (begin == NULL)
+                            break;
+                    } else if (const char *colon = static_cast<char *>(memchr(begin, ':', end - begin))) {
+                        const char *name(begin);
+                        size_t size(colon - begin);
+
+                        begin = static_cast<char *>(memchr(begin, '\n', end - begin));
+
+                        {
+                            const char *stop(begin == NULL ? end : begin);
+                            while (stop[-1] == '\r')
+                                --stop;
+                            while (++colon != stop && isblank(*colon));
+
+                            for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i)
+                                if (strncasecmp(names[i].name_, name, size) == 0) {
+                                    NSString *value;
+
+                                    _profile(Package$initWithIterator$Parse$Value)
+                                        value = [NSString stringWithUTF8Bytes:colon length:(stop - colon)];
+                                    _end
+
+                                    *names[i].value_ = value;
+                                    break;
+                                }
+                        }
+
+                        if (begin == NULL)
+                            break;
+                        ++begin;
+                    } else goto next;
+
+                _profile(Package$initWithIterator$Parse$Retain)
+                    if (name_ != nil)
+                        name_ = [name_ retain];
+                    _profile(Package$initWithIterator$Parse$Tagline)
+                        tagline_ = [[NSString stringWithUTF8String:parser->ShortDesc().c_str()] retain];
+                    _end
+                    if (icon_ != nil)
+                        icon_ = [icon_ retain];
+                    if (depiction_ != nil)
+                        depiction_ = [depiction_ retain];
+                    if (homepage_ == nil)
+                        homepage_ = website;
+                    if ([homepage_ isEqualToString:depiction_])
+                        homepage_ = nil;
+                    if (homepage_ != nil)
+                        homepage_ = [homepage_ retain];
+                    if (sponsor != nil)
+                        sponsor_ = [[Address addressWithString:sponsor] retain];
+                    if (author != nil)
+                        author_ = [[Address addressWithString:author] retain];
+                    if (tag != nil)
+                        tags_ = [[tag componentsSeparatedByString:@", "] retain];
+                _end
+            _end
+
+        _profile(Package$initWithIterator$Tags)
+            if (tags_ != nil)
+                for (NSString *tag in tags_)
+                    if ([tag hasPrefix:@"role::"]) {
+                        role_ = [[tag substringFromIndex:6] retain];
+                        break;
+                    }
+        _end
+
+        NSString *solid(latest == nil ? installed : latest);
+        bool changed(false);
+
+        NSString *key([id_ lowercaseString]);
+
+        _profile(Package$initWithIterator$Metadata)
+            NSMutableDictionary *metadata = [Packages_ objectForKey:key];
+            if (metadata == nil) {
+                metadata = [[NSMutableDictionary dictionaryWithObjectsAndKeys:
+                    now_, @"FirstSeen",
+                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;
+                    }
+            }
+
+            if (changed) {
+                [Packages_ setObject:metadata forKey:key];
+                Changed_ = true;
             }
+        _end
+
+        const char *section(iterator_.Section());
+        if (section == NULL)
+            section_ = nil;
+        else {
+            NSString *name([[NSString stringWithUTF8String:section] stringByReplacingCharacter:' ' withCharacter:'_']);
 
-        NSMutableDictionary *metadata = [Packages_ objectForKey:id_];
-        if (metadata == nil || [metadata count] == 0) {
-            metadata = [NSMutableDictionary dictionaryWithObjectsAndKeys:
-                now_, @"FirstSeen",
-            nil];
+          lookup:
+            if (NSDictionary *value = [SectionMap_ objectForKey:name])
+                if (NSString *rename = [value objectForKey:@"Rename"]) {
+                    name = rename;
+                    goto lookup;
+                }
 
-            [Packages_ setObject:metadata forKey:id_];
-            Changed_ = true;
+            section_ = [[name stringByReplacingCharacter:'_' withCharacter:' '] retain];
         }
-    } return self;
+
+        essential_ = (iterator_->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES;
+    } _end } return self;
 }
 
 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
@@ -1244,27 +1756,35 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 }
 
 - (NSString *) section {
-    const char *section = iterator_.Section();
-    if (section == NULL)
-        return nil;
-
-    NSString *name = [[NSString stringWithUTF8String:section] stringByReplacingCharacter:' ' withCharacter:'_'];
+    return section_;
+}
 
-  lookup:
-    if (NSDictionary *value = [SectionMap_ objectForKey:name])
-        if (NSString *rename = [value objectForKey:@"Rename"]) {
-            name = rename;
-            goto lookup;
-        }
+- (NSString *) simpleSection {
+    if (NSString *section = [self section])
+        return Simplify(section);
+    else
+        return nil;
+}
 
-    return [name stringByReplacingCharacter:'_' withCharacter:' '];
+- (NSString *) uri {
+    return nil;
+#if 0
+    pkgIndexFile *index;
+    pkgCache::PkgFileIterator file(file_.File());
+    if (![database_ list].FindIndex(file, index))
+        return nil;
+    return [NSString stringWithUTF8String:iterator_->Path];
+    //return [NSString stringWithUTF8String:file.Site()];
+    //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
+#endif
 }
 
 - (Address *) maintainer {
     if (file_.end())
         return nil;
     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
-    return [Address addressWithString:[NSString stringWithUTF8String:parser->Maintainer().c_str()]];
+    const std::string &maintainer(parser->Maintainer());
+    return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
 }
 
 - (size_t) size {
@@ -1283,7 +1803,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
         return nil;
 
     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
-    for (size_t i(1); i != [lines count]; ++i) {
+    for (size_t i(1), e([lines count]); i != e; ++i) {
         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
         [trimmed addObject:trim];
     }
@@ -1291,16 +1811,47 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return [trimmed componentsJoinedByString:@"\n"];
 }
 
-- (NSString *) index {
-    NSString *index = [[[self name] substringToIndex:1] uppercaseString];
-    return [index length] != 0 && isalpha([index characterAtIndex:0]) ? index : @"123";
+- (unichar) index {
+    _profile(Package$index)
+        NSString *name([self name]);
+        if ([name length] == 0)
+            return '#';
+        unichar character([name characterAtIndex:0]);
+        if (!isalpha(character))
+            return '#';
+        return toupper(character);
+    _end
+}
+
+- (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"];
 }
 
-- (NSString *) latest {
+- (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 {
     return latest_;
 }
 
@@ -1315,16 +1866,16 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 - (BOOL) upgradableAndEssential:(BOOL)essential {
     pkgCache::VerIterator current = iterator_.CurrentVer();
 
+    bool value;
     if (current.end())
-        return essential && [self essential];
-    else {
-        pkgCache::VerIterator candidate = [database_ policy]->GetCandidateVer(iterator_);
-        return !candidate.end() && candidate != current;
-    }
+        value = essential && [self essential] && [self visible];
+    else
+        value = !version_.end() && version_ != current;// && (!essential || ![database_ cache][iterator_].Keep());
+    return value;
 }
 
 - (BOOL) essential {
-    return (iterator_->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES;
+    return essential_;
 }
 
 - (BOOL) broken {
@@ -1367,17 +1918,17 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
                 return @"Purge";
             else
                 return @"Remove";
-            _assert(false);
         case pkgDepCache::ModeKeep:
-            if ((state.iFlags & pkgDepCache::AutoKept) != 0)
-                return nil;
+            if ((state.iFlags & pkgDepCache::ReInstall) != 0)
+                return @"Reinstall";
+            /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
+                return nil;*/
             else
                 return nil;
-            _assert(false);
         case pkgDepCache::ModeInstall:
-            if ((state.iFlags & pkgDepCache::ReInstall) != 0)
+            /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
                 return @"Reinstall";
-            else switch (state.Status) {
+            else*/ switch (state.Status) {
                 case -1:
                     return @"Downgrade";
                 case 0:
@@ -1406,8 +1957,21 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return tagline_;
 }
 
-- (NSString *) icon {
-    return icon_;
+- (UIImage *) icon {
+    NSString *section = [self simpleSection];
+
+    UIImage *icon(nil);
+    if (icon_ != nil)
+        if ([icon_ hasPrefix:@"file:///"])
+            icon = [UIImage imageAtPath:[icon_ substringFromIndex:7]];
+    if (icon == nil) if (section != nil)
+        icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
+    if (icon == nil) if (source_ != nil) if (NSString *dicon = [source_ defaultIcon])
+        if ([dicon hasPrefix:@"file:///"])
+            icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
+    if (icon == nil)
+        icon = [UIImage applicationImageNamed:@"unknown.png"];
+    return icon;
 }
 
 - (NSString *) homepage {
@@ -1426,14 +1990,122 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return author_;
 }
 
+- (NSString *) support {
+    return support_ != nil ? support_ : [[self source] supportForPackage:id_];
+}
+
+- (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 (
+            /* XXX: technically this is not allowed */
+            (name[i] < 'A' || name[i] > 'Z') &&
+            (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 _private = false;
+        bool stash = false;
+
+        bool repository = [[self section] isEqualToString:@"Repositories"];
+
+        if (NSArray *files = [self files])
+            for (NSString *file in files)
+                if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
+                    cydia = true;
+                else if (!_private && [file isEqualToString:@"/private"])
+                    _private = true;
+                else if (!stash && [file isEqualToString:@"/var/stash"])
+                    stash = true;
+
+        /* XXX: this is not sensitive enough. only some folders are valid. */
+        if (cydia && !repository)
+            [warnings addObject:@"files installed into Cydia.app"];
+        if (_private)
+            [warnings addObject:@"files installed with /private/*"];
+        if (stash)
+            [warnings addObject:@"files installed to /var/stash"];
+    }
+
+    return [warnings count] == 0 ? nil : warnings;
+}
+
+- (NSArray *) applications {
+    NSString *me([[NSBundle mainBundle] bundleIdentifier]);
+
+    NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
+
+    static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
+    if (NSArray *files = [self files])
+        for (NSString *file in files)
+            if (application_r(file)) {
+                NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
+                NSString *id([info objectForKey:@"CFBundleIdentifier"]);
+                if ([id isEqualToString:me])
+                    continue;
+
+                NSString *display([info objectForKey:@"CFBundleDisplayName"]);
+                if (display == nil)
+                    display = application_r[1];
+
+                NSString *bundle([file stringByDeletingLastPathComponent]);
+                NSString *icon([info objectForKey:@"CFBundleIconFile"]);
+                if (icon == nil || [icon length] == 0)
+                    icon = @"icon.png";
+                NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
+
+                NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
+                [applications addObject:application];
+
+                [application addObject:id];
+                [application addObject:display];
+                [application addObject:url];
+            }
+
+    return [applications count] == 0 ? nil : applications;
+}
+
 - (Source *) source {
     if (!cached_) {
-        source_ = file_.end() ? nil : [[database_ getSource:file_.File()] retain];
-        cached_ = true;
+        @synchronized (database_) {
+            if ([database_ era] != era_ || file_.end())
+                source_ = nil;
+            else {
+                source_ = [database_ getSource:file_.File()];
+                if (source_ != nil)
+                    [source_ retain];
+            }
+
+            cached_ = true;
+        }
     }
 
     return source_;
@@ -1449,15 +2121,15 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 
     NSRange range;
 
-    range = [[self id] rangeOfString:text options:NSCaseInsensitiveSearch];
+    range = [[self id] rangeOfString:text options:MatchCompareOptions_];
     if (range.location != NSNotFound)
         return YES;
 
-    range = [[self name] rangeOfString:text options:NSCaseInsensitiveSearch];
+    range = [[self name] rangeOfString:text options:MatchCompareOptions_];
     if (range.location != NSNotFound)
         return YES;
 
-    range = [[self tagline] rangeOfString:text options:NSCaseInsensitiveSearch];
+    range = [[self tagline] rangeOfString:text options:MatchCompareOptions_];
     if (range.location != NSNotFound)
         return YES;
 
@@ -1486,6 +2158,25 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     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;
+}
+
+- (bool) isCommercial {
+    return [self hasTag:@"cydia::commercial"];
+}
+
 - (NSComparisonResult) compareByName:(Package *)package {
     NSString *lhs = [self name];
     NSString *rhs = [package name];
@@ -1500,7 +2191,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
             return NSOrderedDescending;
     }
 
-    return [lhs compare:rhs options:CompareOptions_];
+    return [lhs compare:rhs options:LaxCompareOptions_];
 }
 
 - (NSComparisonResult) compareBySection:(Package *)package {
@@ -1512,51 +2203,44 @@ 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 options:CompareOptions_];
-        if (result != NSOrderedSame)
-            return result;
+        NSComparisonResult result([lhs compare:rhs options:LaxCompareOptions_]);
+        return result != NSOrderedSame ? result : [lhs compare:rhs options:ForcedCompareOptions_];
     }
 
     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 upgradableAndEssential:YES];
-    BOOL rhs = [package upgradableAndEssential:YES];
+    bool upgradable([self upgradableAndEssential:YES]);
+    value.bits.upgradable = upgradable ? 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 (upgradable) {
+        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) clear {
+    pkgProblemResolver *resolver = [database_ resolver];
+    resolver->Clear(iterator_);
+    resolver->Protect(iterator_);
 }
 
 - (void) install {
@@ -1578,33 +2262,40 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     [database_ cache]->MarkDelete(iterator_, true);
 }
 
-- (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search {
-    return [NSNumber numberWithBool:(
-        [self unfiltered] && [self matches:search]
-    )];
+- (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
+    _profile(Package$isUnfilteredAndSearchedForBy)
+        bool value(true);
+
+        _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
+            value &= [self unfiltered];
+        _end
+
+        _profile(Package$isUnfilteredAndSearchedForBy$Match)
+            value &= [self matches:search];
+        _end
+
+        return value;
+    _end
 }
 
-- (NSNumber *) isInstalledAndVisible:(NSNumber *)number {
-    return [NSNumber numberWithBool:(
-        (![number boolValue] || [self visible]) && [self installed] != nil
-    )];
+- (bool) isInstalledAndVisible:(NSNumber *)number {
+    return (![number boolValue] || [self visible]) && [self installed] != nil;
 }
 
-- (NSNumber *) isVisiblyUninstalledInSection:(NSString *)name {
+- (bool) isVisiblyUninstalledInSection:(NSString *)name {
     NSString *section = [self section];
 
-    return [NSNumber numberWithBool:(
+    return
         [self visible] &&
         [self installed] == nil && (
             name == nil ||
             section == nil && [name length] == 0 ||
             [name isEqualToString:section]
-        )
-    )];
+        );
 }
 
-- (NSNumber *) isVisibleInSource:(Source *)source {
-    return [NSNumber numberWithBool:([self source] == source && [self visible])];
+- (bool) isVisibleInSource:(Source *)source {
+    return [self source] == source && [self visible];
 }
 
 @end
@@ -1612,6 +2303,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 /* Section Class {{{ */
 @interface Section : NSObject {
     NSString *name_;
+    unichar index_;
     size_t row_;
     size_t count_;
 }
@@ -1619,7 +2311,9 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 - (NSComparisonResult) compareByName:(Section *)section;
 - (Section *) initWithName:(NSString *)name;
 - (Section *) initWithName:(NSString *)name row:(size_t)row;
+- (Section *) initWithIndex:(unichar)index row:(size_t)row;
 - (NSString *) name;
+- (unichar) index;
 - (size_t) row;
 - (size_t) count;
 - (void) addToCount;
@@ -1647,7 +2341,7 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
             return NSOrderedDescending;
     }
 
-    return [lhs compare:rhs options:CompareOptions_];
+    return [lhs compare:rhs options:LaxCompareOptions_];
 }
 
 - (Section *) initWithName:(NSString *)name {
@@ -1657,6 +2351,15 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 - (Section *) initWithName:(NSString *)name row:(size_t)row {
     if ((self = [super init]) != nil) {
         name_ = [name retain];
+        index_ = '\0';
+        row_ = row;
+    } return self;
+}
+
+- (Section *) initWithIndex:(unichar)index row:(size_t)row {
+    if ((self = [super init]) != nil) {
+        name_ = [(index == '#' ? @"123" : [NSString stringWithCharacters:&index length:1]) retain];
+        index_ = index;
         row_ = row;
     } return self;
 }
@@ -1665,6 +2368,10 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
     return name_;
 }
 
+- (unichar) index {
+    return index_;
+}
+
 - (size_t) row {
     return row_;
 }
@@ -1680,20 +2387,29 @@ NSString *Scour(const char *field, const char *begin, const char *end) {
 @end
 /* }}} */
 
-int Finish_;
-NSArray *Finishes_;
+static int Finish_;
+static NSArray *Finishes_;
 
 /* Database Implementation {{{ */
 @implementation Database
 
++ (Database *) sharedInstance {
+    static Database *instance;
+    if (instance == nil)
+        instance = [[Database alloc] init];
+    return instance;
+}
+
+- (unsigned) era {
+    return era_;
+}
+
 - (void) dealloc {
     _assert(false);
     [super dealloc];
 }
 
-- (void) _readCydia:(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;
@@ -1703,7 +2419,7 @@ NSArray *Finishes_;
     while (std::getline(is, line)) {
         const char *data(line.c_str());
         size_t size = line.size();
-        fprintf(stderr, "C:%s\n", data);
+        lprintf("C:%s\n", data);
 
         if (finish_r(data, size)) {
             NSString *finish = finish_r[1];
@@ -1713,13 +2429,10 @@ NSArray *Finishes_;
         }
     }
 
-    [pool release];
     _assert(false);
 }
 
-- (void) _readStatus:(NSNumber *)fd {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
+- (void) _readStatus:(NSNumber *)fd { _pooled
     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
     std::istream is(&ib);
     std::string line;
@@ -1730,7 +2443,7 @@ NSArray *Finishes_;
     while (std::getline(is, line)) {
         const char *data(line.c_str());
         size_t size = line.size();
-        fprintf(stderr, "S:%s\n", data);
+        lprintf("S:%s\n", data);
 
         if (conffile_r(data, size)) {
             [delegate_ setConfigurationData:conffile_r[1]];
@@ -1751,31 +2464,27 @@ NSArray *Finishes_;
                     withObject:[NSArray arrayWithObjects:string, id, nil]
                     waitUntilDone:YES
                 ];
-            else if (type == "pmstatus")
+            else if (type == "pmstatus") {
                 [delegate_ setProgressTitle:string];
-            else if (type == "pmconffile")
+            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)) {
-        fprintf(stderr, "O:%s\n", line.c_str());
+        lprintf("O:%s\n", line.c_str());
         [delegate_ addProgressOutput:[NSString stringWithUTF8String:line.c_str()]];
     }
 
-    [pool release];
     _assert(false);
 }
 
@@ -1862,6 +2571,10 @@ NSArray *Finishes_;
     return *fetcher_;
 }
 
+- (pkgSourceList &) list {
+    return *list_;
+}
+
 - (NSArray *) packages {
     return packages_;
 }
@@ -1870,7 +2583,75 @@ NSArray *Finishes_;
     return [sources_ allValues];
 }
 
-- (void) reloadData {
+- (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 { _pooled
+    @synchronized (self) {
+        ++era_;
+    }
+
     _error->Discard();
 
     delete list_;
@@ -1889,12 +2670,13 @@ NSArray *Finishes_;
 
     cache_.Close();
 
+    _trace();
     if (!cache_.Open(progress_, true)) {
         std::string error;
         if (!_error->PopMessage(error))
             _assert(false);
         _error->Discard();
-        fprintf(stderr, "cache_.Open():[%s]\n", error.c_str());
+        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)];
@@ -1907,6 +2689,7 @@ NSArray *Finishes_;
 
         return;
     }
+    _trace();
 
     now_ = [[NSDate date] retain];
 
@@ -1939,11 +2722,16 @@ NSArray *Finishes_;
     }
 
     [packages_ removeAllObjects];
+    _trace();
     for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
         if (Package *package = [Package packageWithIterator:iterator database:self])
             [packages_ addObject:package];
-
+    _trace();
     [packages_ sortUsingSelector:@selector(compareByName:)];
+    _trace();
+
+    _config->Set("Acquire::http::Timeout", 15);
+    _config->Set("Acquire::http::MaxParallel", 4);
 }
 
 - (void) configure {
@@ -1974,7 +2762,7 @@ NSArray *Finishes_;
     if (!cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)) {
         std::string error;
         while (_error->PopMessage(error))
-            fprintf(stderr, "ArchiveCleaner: %s\n", error.c_str());
+            lprintf("ArchiveCleaner: %s\n", error.c_str());
     }
 }
 
@@ -2015,11 +2803,13 @@ NSArray *Finishes_;
         std::string uri = (*item)->DescURI();
         std::string error = (*item)->ErrorText;
 
-        fprintf(stderr, "pAf:%s:%s\n", uri.c_str(), error.c_str());
+        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]
+            withObject:[NSArray arrayWithObjects:
+                [NSString stringWithUTF8String:error.c_str()],
+            nil]
             waitUntilDone:YES
         ];
     }
@@ -2110,18 +2900,127 @@ NSArray *Finishes_;
 @end
 /* }}} */
 
-/* Confirmation View {{{ */
-void AddTextView(NSMutableDictionary *fields, NSMutableArray *packages, NSString *key) {
-    if ([packages count] == 0)
-        return;
+/* PopUp Windows {{{ */
+@interface PopUpView : UIView {
+    _transient id delegate_;
+    UITransitionView *transition_;
+    UIView *overlay_;
+}
+
+- (void) cancel;
+- (id) initWithView:(UIView *)view delegate:(id)delegate;
+
+@end
+
+@implementation PopUpView
+
+- (void) dealloc {
+    [transition_ setDelegate:nil];
+    [transition_ release];
+    [overlay_ release];
+    [super dealloc];
+}
+
+- (void) cancel {
+    [transition_ transition:UITransitionPushFromTop toView:nil];
+}
+
+- (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to {
+    if (from != nil && to == nil)
+        [self removeFromSuperview];
+}
+
+- (id) initWithView:(UIView *)view delegate:(id)delegate {
+    if ((self = [super initWithFrame:[view bounds]]) != nil) {
+        delegate_ = delegate;
+
+        transition_ = [[UITransitionView alloc] initWithFrame:[self bounds]];
+        [self addSubview:transition_];
+
+        overlay_ = [[UIView alloc] initWithFrame:[transition_ bounds]];
+
+        [view addSubview:self];
+
+        [transition_ setDelegate:self];
+
+        UIView *blank = [[[UIView alloc] initWithFrame:[transition_ bounds]] autorelease];
+        [transition_ transition:UITransitionNone toView:blank];
+        [transition_ transition:UITransitionPushFromBottom toView:overlay_];
+    } return self;
+}
+
+@end
+/* }}} */
+
+/* Mail Composition {{{ */
+@interface MailToView : PopUpView {
+    MailComposeController *controller_;
+}
+
+- (id) initWithView:(UIView *)view delegate:(id)delegate url:(NSURL *)url;
+
+@end
+
+@implementation MailToView
+
+- (void) dealloc {
+    [controller_ release];
+    [super dealloc];
+}
+
+- (void) mailComposeControllerWillAttemptToSend:(MailComposeController *)controller {
+    NSLog(@"will");
+}
+
+- (void) mailComposeControllerDidAttemptToSend:(MailComposeController *)controller mailDelivery:(id)delivery {
+    NSLog(@"did:%@", delivery);
+// [UIApp setStatusBarShowsProgress:NO];
+if ([controller error]){
+NSArray *buttons = [NSArray arrayWithObjects:@"OK", nil];
+UIActionSheet *mailAlertSheet = [[UIActionSheet alloc] initWithTitle:@"Error" buttons:buttons defaultButtonIndex:0 delegate:self context:self];
+[mailAlertSheet setBodyText:[controller error]];
+[mailAlertSheet popupAlertAnimated:YES];
+}
+}
 
-    UITextView *text = GetTextView([packages count] == 0 ? @"n/a" : [packages componentsJoinedByString:@", "], 120, false);
-    [fields setObject:text forKey:key];
+- (void) showError {
+    NSLog(@"%@", [controller_ error]);
+    NSArray *buttons = [NSArray arrayWithObjects:@"OK", nil];
+    UIActionSheet *mailAlertSheet = [[UIActionSheet alloc] initWithTitle:@"Error" buttons:buttons defaultButtonIndex:0 delegate:self context:self];
+    [mailAlertSheet setBodyText:[controller_ error]];
+    [mailAlertSheet popupAlertAnimated:YES];
+}
+
+- (void) deliverMessage { _pooled
+    setuid(501);
+    setgid(501);
+
+    if (![controller_ deliverMessage])
+        [self performSelectorOnMainThread:@selector(showError) withObject:nil waitUntilDone:NO];
+}
+
+- (void) mailComposeControllerCompositionFinished:(MailComposeController *)controller {
+    if ([controller_ needsDelivery])
+        [NSThread detachNewThreadSelector:@selector(deliverMessage) toTarget:self withObject:nil];
+    else
+        [self cancel];
+}
 
-    CGColor blue(space_, 0, 0, 0.4, 1);
-    [text setTextColor:[UIColor colorWithCGColor:blue]];
+- (id) initWithView:(UIView *)view delegate:(id)delegate url:(NSURL *)url {
+    if ((self = [super initWithView:view delegate:delegate]) != nil) {
+        controller_ = [[MailComposeController alloc] initForContentSize:[overlay_ bounds].size];
+        [controller_ setDelegate:self];
+        [controller_ initializeUI];
+        [controller_ setupForURL:url];
+
+        UIView *view([controller_ view]);
+        [overlay_ addSubview:view];
+    } return self;
 }
 
+@end
+/* }}} */
+/* Confirmation View {{{ */
 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     if (!iterator.end())
         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
@@ -2140,75 +3039,43 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 @protocol ConfirmationViewDelegate
 - (void) cancel;
 - (void) confirm;
+- (void) queue;
 @end
 
-@interface ConfirmationView : UIView {
-    Database *database_;
-    id delegate_;
-    UITransitionView *transition_;
-    UIView *overlay_;
-    UINavigationBar *navbar_;
-    UIPreferencesTable *table_;
-    NSMutableDictionary *fields_;
+@interface ConfirmationView : BrowserView {
+    _transient Database *database_;
     UIActionSheet *essential_;
+    NSArray *changes_;
+    NSArray *issues_;
+    NSArray *sizes_;
     BOOL substrate_;
 }
 
-- (void) cancel;
-
-- (id) initWithView:(UIView *)view database:(Database *)database delegate:(id)delegate;
+- (id) initWithBook:(RVBook *)book database:(Database *)database;
 
 @end
 
 @implementation ConfirmationView
 
 - (void) dealloc {
-    [navbar_ setDelegate:nil];
-    [transition_ setDelegate:nil];
-    [table_ setDataSource:nil];
-
-    [transition_ release];
-    [overlay_ release];
-    [navbar_ release];
-    [table_ release];
-    [fields_ release];
+    [changes_ release];
+    if (issues_ != nil)
+        [issues_ release];
+    [sizes_ 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 {
-                if (substrate_)
-                    Finish_ = 2;
-                [delegate_ confirm];
-            }
-        break;
-
-        case 1:
-            [self cancel];
-        break;
-    }
+    [book_ popFromSuperviewAnimated:YES];
 }
 
 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
-    NSString *context = [sheet context];
+    NSString *context([sheet context]);
 
-    if ([context isEqualToString:@"remove"])
+    if ([context isEqualToString:@"remove"]) {
         switch (button) {
             case 1:
                 [self cancel];
@@ -2221,108 +3088,25 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             default:
                 _assert(false);
         }
-    else if ([context isEqualToString:@"unable"])
-        [self cancel];
 
-    [sheet dismiss];
+        [sheet dismiss];
+    } else if ([context isEqualToString:@"unable"]) {
+        [self cancel];
+        [sheet dismiss];
+    } else
+        [super alertSheet:sheet buttonClicked:button];
 }
 
-- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
-    return 2;
+- (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];
 }
 
-- (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_ setDelegate:self];
-
-        UINavigationItem *navitem = [[[UINavigationItem alloc] initWithTitle:@"Confirm"] autorelease];
-        [navbar_ pushNavigationItem:navitem];
-        [navbar_ showButtonsWithLeftTitle:@"Cancel" rightTitle:@"Confirm"];
-
-        fields_ = [[NSMutableDictionary dictionaryWithCapacity:16] retain];
+- (id) initWithBook:(RVBook *)book database:(Database *)database {
+    if ((self = [super initWithBook:book]) != nil) {
+        database_ = database;
 
         NSMutableArray *installing = [NSMutableArray arrayWithCapacity:16];
         NSMutableArray *reinstalling = [NSMutableArray arrayWithCapacity:16];
@@ -2336,8 +3120,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
         pkgCacheFile &cache([database_ cache]);
         NSArray *packages = [database_ packages];
-        for (size_t i(0), e = [packages count]; i != e; ++i) {
-            Package *package = [packages objectAtIndex:i];
+        for (Package *package in packages) {
             pkgCache::PkgIterator iterator = [package iterator];
             pkgDepCache::StateCache &state(cache[iterator]);
 
@@ -2391,31 +3174,66 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             [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."];
         }
 
-        AddTextView(fields_, installing, @"Installing");
-        AddTextView(fields_, reinstalling, @"Reinstalling");
-        AddTextView(fields_, upgrading, @"Upgrading");
-        AddTextView(fields_, downgrading, @"Downgrading");
-        AddTextView(fields_, removing, @"Removing");
+        changes_ = [[NSArray alloc] initWithObjects:
+            installing,
+            reinstalling,
+            upgrading,
+            downgrading,
+            removing,
+        nil];
 
-        table_ = [[UIPreferencesTable alloc] initWithFrame:CGRectMake(
-            0, navsize.height, bounds.size.width, bounds.size.height - navsize.height
-        )];
+        issues_ = [database_ issues];
+        if (issues_ != nil)
+            issues_ = [issues_ retain];
 
-        [table_ setDataSource:self];
-        [table_ reloadData];
+        sizes_ = [[NSArray alloc] initWithObjects:
+            SizeString([database_ fetcher].FetchNeeded()),
+            SizeString([database_ fetcher].PartialPresent()),
+            SizeString([database_ cache]->UsrSize()),
+        nil];
 
-        [overlay_ addSubview:navbar_];
-        [overlay_ addSubview:table_];
+        [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"confirm" ofType:@"html"]]];
+    } return self;
+}
 
-        [view addSubview:self];
+- (NSString *) backButtonTitle {
+    return @"Confirm";
+}
 
-        [transition_ setDelegate:self];
+- (NSString *) leftButtonTitle {
+    return @"Cancel";
+}
 
-        UIView *blank = [[[UIView alloc] initWithFrame:[transition_ bounds]] autorelease];
-        [transition_ transition:0 toView:blank];
-        [transition_ transition:3 toView:overlay_];
-    } return self;
+- (id) rightButtonTitle {
+    return issues_ != nil ? nil : [super rightButtonTitle];
+}
+
+- (id) _rightButtonTitle {
+#if AlwaysReload || IgnoreInstall
+    return [super _rightButtonTitle];
+#else
+    return @"Confirm";
+#endif
+}
+
+- (void) _leftButtonClicked {
+    [self cancel];
+}
+
+#if !AlwaysReload
+- (void) _rightButtonClicked {
+#if IgnoreInstall
+    return [super _rightButtonClicked];
+#endif
+    if (essential_ != nil)
+        [essential_ popupAlertAnimated:YES];
+    else {
+        if (substrate_)
+            Finish_ = 2;
+        [delegate_ confirm];
+    }
 }
+#endif
 
 @end
 /* }}} */
@@ -2476,8 +3294,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     id delegate_;
     BOOL running_;
     SHA1SumValue springlist_;
-    size_t received_;
-    NSTimeInterval last_;
+    SHA1SumValue notifyconf_;
+    SHA1SumValue sandplate_;
 }
 
 - (void) transitionViewDidComplete:(UITransitionView*)view fromView:(UIView*)from toView:(UIView*)to;
@@ -2577,6 +3395,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
         [status_ setCentersHorizontally:YES];
         //[status_ setFont:font];
+        _trace();
 
         output_ = [[UITextView alloc] initWithFrame:CGRectMake(
             10,
@@ -2584,6 +3403,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             bounds.size.width - 20,
             bounds.size.height - navsize.height - 62 - navrect.size.height
         )];
+        _trace();
 
         //[output_ setTextFont:@"Courier New"];
         [output_ setTextSize:12];
@@ -2627,8 +3447,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
-    NSString *context = [sheet context];
-    if ([context isEqualToString:@"conffile"]) {
+    NSString *context([sheet context]);
+
+    if ([context isEqualToString:@"error"])
+        [sheet dismiss];
+    else if ([context isEqualToString:@"conffile"]) {
         FILE *input = [database_ input];
 
         switch (button) {
@@ -2643,15 +3466,16 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             default:
                 _assert(false);
         }
-    }
 
-    [sheet dismiss];
+        [sheet dismiss];
+    }
 }
 
 - (void) closeButtonPushed {
+    running_ = NO;
+
     switch (Finish_) {
         case 0:
-            [delegate_ progressViewIsComplete:self];
             [self resetView];
         break;
 
@@ -2664,7 +3488,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         break;
 
         case 3:
-            system("launchctl unload /System/Library/LaunchDaemons/com.apple.SpringBoard.plist; launchctl load /System/Library/LaunchDaemons/com.apple.SpringBoard.plist");
+            system("launchctl unload "SpringBoard_"; launchctl load "SpringBoard_);
         break;
 
         case 4:
@@ -2681,8 +3505,28 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [progress_ removeFromSuperview];
     [status_ removeFromSuperview];
 
-    {
-        FileFd file("/System/Library/LaunchDaemons/com.apple.SpringBoard.plist", FileFd::ReadOnly);
+    [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_ < 4) {
+        FileFd file(NotifyConfig_, FileFd::ReadOnly);
+        MMap mmap(file, MMap::ReadOnly);
+        SHA1Summation sha1;
+        sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
+        if (!(notifyconf_ == 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());
@@ -2723,9 +3567,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                     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];
+                        if ([info objectForKey:@"CFBundleIdentifier"] != nil) {
+                            [info setObject:path forKey:@"Path"];
+                            [info setObject:@"System" forKey:@"ApplicationType"];
+                            [system addInfoDictionary:info];
+                        }
                     }
                 }
         } else goto error;
@@ -2738,25 +3584,19 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             goto error;
 
         if (false) error:
-            fprintf(stderr, "%s\n", error == nil ? strerror(errno) : [[error localizedDescription] UTF8String]);
+            lprintf("%s\n", error == nil ? strerror(errno) : [[error localizedDescription] UTF8String]);
     }
 
     notify_post("com.apple.mobile.application_installed");
 
     [delegate_ setStatusBarShowsProgress:NO];
-
-    running_ = NO;
 }
 
-- (void) _detachNewThreadData:(ProgressData *)data {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
+- (void) _detachNewThreadData:(ProgressData *)data { _pooled
     [[data target] performSelector:[data selector] withObject:[data object]];
     [data release];
 
     [self performSelectorOnMainThread:@selector(_retachThread) withObject:nil waitUntilDone:YES];
-
-    [pool release];
 }
 
 - (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title {
@@ -2767,9 +3607,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [output_ setText:@""];
     [progress_ setProgress:0];
 
-    received_ = 0;
-    last_ = 0;//[NSDate timeIntervalSinceReferenceDate];
-
     [close_ removeFromSuperview];
     [overlay_ addSubview:progress_];
     [overlay_ addSubview:status_];
@@ -2778,7 +3615,23 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     running_ = YES;
 
     {
-        FileFd file("/System/Library/LaunchDaemons/com.apple.SpringBoard.plist", FileFd::ReadOnly);
+        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(NotifyConfig_, FileFd::ReadOnly);
+        MMap mmap(file, MMap::ReadOnly);
+        SHA1Summation sha1;
+        sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
+        notifyconf_ = sha1.Result();
+    }
+
+    {
+        FileFd file(SpringBoard_, FileFd::ReadOnly);
         MMap mmap(file, MMap::ReadOnly);
         SHA1Summation sha1;
         sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
@@ -2819,7 +3672,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     Package *package = id == nil ? nil : [database_ packageWithName:id];
 
     UIActionSheet *sheet = [[[UIActionSheet alloc]
-        initWithTitle:(package == nil ? @"Source Error" : [package name])
+        initWithTitle:(package == nil ? id : [package name])
         buttons:[NSArray arrayWithObjects:@"Okay", nil]
         defaultButtonIndex:0
         delegate:self
@@ -2847,7 +3700,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) startProgress {
-    last_ = [NSDate timeIntervalSinceReferenceDate];
 }
 
 - (void) addProgressOutput:(NSString *)output {
@@ -2859,15 +3711,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (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;
 }
 
@@ -2899,7 +3742,14 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) _setProgressTitle:(NSString *)title {
-    [status_ setText:title];
+    NSMutableArray *words([[title componentsSeparatedByString:@" "] mutableCopy]);
+    for (size_t i(0), e([words count]); i != e; ++i) {
+        NSString *word([words objectAtIndex:i]);
+        if (Package *package = [database_ packageWithName:word])
+            [words replaceObjectAtIndex:i withObject:[package name]];
+    }
+
+    [status_ setText:[words componentsJoinedByString:@" "]];
 }
 
 - (void) _setProgressPercent:(NSNumber *)percent {
@@ -2921,14 +3771,16 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 /* }}} */
 
 /* Package Cell {{{ */
-@interface PackageCell : UISimpleTableCell {
+@interface PackageCell : UITableCell {
     UIImage *icon_;
     NSString *name_;
     NSString *description_;
+    bool commercial_;
     NSString *source_;
-    //UIImageView *trusted_;
+    UIImage *badge_;
+    bool cached_;
+    Package *package_;
 #ifdef USE_BADGES
-    UIImageView *badge_;
     UITextLabel *status_;
 #endif
 }
@@ -2962,23 +3814,27 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         [source_ release];
         source_ = nil;
     }
+
+    if (badge_ != nil) {
+        [badge_ release];
+        badge_ = nil;
+    }
+
+    [package_ release];
+    package_ = nil;
 }
 
 - (void) dealloc {
     [self clearPackage];
 #ifdef USE_BADGES
-    [badge_ release];
     [status_ release];
 #endif
-    //[trusted_ release];
     [super dealloc];
 }
 
 - (PackageCell *) init {
     if ((self = [super init]) != nil) {
 #ifdef USE_BADGES
-        badge_ = [[UIImageView alloc] initWithFrame:CGRectMake(17, 70, 16, 16)];
-
         status_ = [[UITextLabel alloc] initWithFrame:CGRectMake(48, 68, 280, 20)];
         [status_ setBackgroundColor:[UIColor clearColor]];
         [status_ setFont:small];
@@ -2990,21 +3846,15 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [self clearPackage];
 
     Source *source = [package source];
+    NSString *section = [package simpleSection];
 
-    icon_ = nil;
-    if (NSString *icon = [package icon])
-        icon_ = [UIImage imageAtPath:[icon substringFromIndex:6]];
-    if (icon_ == nil) if (NSString *section = [package section])
-        icon_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, Simplify(section)]];
-    /*if (icon_ == nil) if (NSString *icon = [source defaultIcon])
-        icon_ = [UIImage imageAtPath:[icon substringFromIndex:6]];*/
-    if (icon_ == nil)
-        icon_ = [UIImage applicationImageNamed:@"unknown.png"];
-
-    icon_ = [icon_ retain];
+    icon_ = [[package icon] retain];
 
     name_ = [[package name] retain];
     description_ = [[package tagline] retain];
+    commercial_ = [package isCommercial];
+
+    package_ = [package retain];
 
     NSString *label = nil;
     bool trusted = false;
@@ -3019,23 +3869,23 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     NSString *from = [NSString stringWithFormat:@"from %@", label];
 
-    NSString *section = Simplify([package section]);
     if (section != nil && ![section isEqualToString:label])
         from = [from stringByAppendingString:[NSString stringWithFormat:@" (%@)", section]];
 
     source_ = [from retain];
 
-#ifdef USE_BADGES
-    [badge_ removeFromSuperview];
-    [status_ removeFromSuperview];
+    if (NSString *purpose = [package primaryPurpose])
+        if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
+            badge_ = [badge_ retain];
 
+#ifdef USE_BADGES
     if (NSString *mode = [package mode]) {
         [badge_ setImage:[UIImage applicationImageNamed:
             [mode isEqualToString:@"Remove"] || [mode isEqualToString:@"Purge"] ? @"removing.png" : @"installing.png"
         ]];
 
         [status_ setText:[NSString stringWithFormat:@"Queued for %@", mode]];
-        [status_ setColor:Blueish_];
+        [status_ setColor:[UIColor colorWithCGColor:Blueish_]];
     } else if ([package half]) {
         [badge_ setImage:[UIImage applicationImageNamed:@"damaged.png"]];
         [status_ setText:@"Package Damaged"];
@@ -3043,13 +3893,39 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     } else {
         [badge_ setImage:nil];
         [status_ setText:nil];
-        goto done;
     }
-
-    [self addSubview:badge_];
-    [self addSubview:status_];
-  done:;
 #endif
+
+    cached_ = false;
+}
+
+- (void) drawRect:(CGRect)rect {
+    if (!cached_) {
+        UIColor *color;
+
+        if (NSString *mode = [package_ mode]) {
+            bool remove([mode isEqualToString:@"Remove"] || [mode isEqualToString:@"Purge"]);
+            color = remove ? RemovingColor_ : InstallingColor_;
+        } else
+            color = [UIColor whiteColor];
+
+        [self setBackgroundColor:color];
+        cached_ = true;
+    }
+
+    [super drawRect:rect];
+}
+
+- (void) drawBackgroundInRect:(CGRect)rect withFade:(float)fade {
+    if (fade == 0) {
+        CGContextRef context(UIGraphicsGetCurrentContext());
+        [[self backgroundColor] set];
+        CGRect back(rect);
+        back.size.height -= 1;
+        CGContextFillRect(context, back);
+    }
+
+    [super drawBackgroundInRect:rect withFade:fade];
 }
 
 - (void) drawContentInRect:(CGRect)rect selected:(BOOL)selected {
@@ -3066,21 +3942,35 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         [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_);
+        UISetColor(commercial_ ? Purple_ : 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_);
+        UISetColor(commercial_ ? Purplish_ : Gray_);
     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:280 withFont:Font14_ ellipsis:2];
 
     [super drawContentInRect:rect selected:selected];
 }
 
+- (void) setSelected:(BOOL)selected withFade:(BOOL)fade {
+    cached_ = false;
+    [super setSelected:selected withFade:fade];
+}
+
 + (int) heightForPackage:(Package *)package {
     NSString *tagline([package tagline]);
     int height = tagline == nil || [tagline length] == 0 ? -17 : 0;
@@ -3177,7 +4067,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
 
         if (editing_)
-            [switch_ setValue:isSectionVisible(section_) animated:NO];
+            [switch_ setValue:(isSectionVisible(section_) ? 1 : 0) animated:NO];
     }
 }
 
@@ -3195,7 +4085,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     UISetColor(White_);
     if (count_ != nil)
-        [count_ drawAtPoint:CGPointMake(12 + (29 - size.width) / 2, 15) withFont:Font12Bold_];
+        [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
 
     [super drawContentInRect:rect selected:selected];
 }
@@ -3291,14 +4181,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         package_ = [package retain];
         name_ = [[package id] retain];
 
-        NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", name_];
-
-        {
-            std::ifstream fin([path UTF8String]);
-            std::string line;
-            while (std::getline(fin, line))
-                [files_ addObject:[NSString stringWithUTF8String:line.c_str()]];
-        }
+        if (NSArray *files = [package files])
+            [files_ addObjectsFromArray:files];
 
         if ([files_ count] != 0) {
             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
@@ -3346,8 +4230,10 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 /* }}} */
 /* Package View {{{ */
 @interface PackageView : BrowserView {
+    _transient Database *database_;
     Package *package_;
     NSString *name_;
+    bool commercial_;
     NSMutableArray *buttons_;
 }
 
@@ -3368,7 +4254,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) _clickButtonWithName:(NSString *)name {
-    if ([name isEqualToString:@"Install"])
+    if ([name isEqualToString:@"Clear"])
+        [delegate_ clearPackage:package_];
+    else if ([name isEqualToString:@"Install"])
         [delegate_ installPackage:package_];
     else if ([name isEqualToString:@"Reinstall"])
         [delegate_ installPackage:package_];
@@ -3380,29 +4268,36 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
-    int count = [buttons_ count];
-    _assert(count != 0);
-    _assert(button <= count + 1);
+    NSString *context([sheet context]);
 
-    if (count != button - 1)
-        [self _clickButtonWithName:[buttons_ objectAtIndex:(button - 1)]];
+    if ([context isEqualToString:@"modify"]) {
+        int count = [buttons_ count];
+        _assert(count != 0);
+        _assert(button <= count + 1);
 
-    [sheet dismiss];
+        if (count != button - 1)
+            [self _clickButtonWithName:[buttons_ objectAtIndex:(button - 1)]];
+
+        [sheet dismiss];
+    } else
+        [super alertSheet:sheet buttonClicked:button];
 }
 
 - (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
-    [[frame windowObject] evaluateWebScript:@"document.base.target = '_top'"];
     return [super webView:sender didFinishLoadForFrame:frame];
 }
 
 - (void) webView:(WebView *)sender didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
     [window setValue:package_ forKey:@"package"];
+    [super webView:sender didClearWindowObject:window forFrame:frame];
 }
 
-- (void) _rightButtonClicked {
-    /*[super _rightButtonClicked];
-    return;*/
+- (bool) _allowJavaScriptPanel {
+    return commercial_;
+}
 
+#if !AlwaysReload
+- (void) __rightButtonClicked {
     int count = [buttons_ count];
     _assert(count != 0);
 
@@ -3416,24 +4311,32 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         [delegate_ slideUp:[[[UIActionSheet alloc]
             initWithTitle:nil
             buttons:buttons
-            defaultButtonIndex:2
+            defaultButtonIndex:([buttons count] - 1)
             delegate:self
-            context:@"manage"
+            context:@"modify"
         ] autorelease]];
     }
 }
 
-- (NSString *) _rightButtonTitle {
+- (void) _rightButtonClicked {
+    if (commercial_)
+        [super _rightButtonClicked];
+    else
+        [self __rightButtonClicked];
+}
+#endif
+
+- (id) _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 database:database]) != nil) {
+    if ((self = [super initWithBook:book]) != nil) {
         database_ = database;
         buttons_ = [[NSMutableArray alloc] initWithCapacity:4];
     } return self;
@@ -3455,9 +4358,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     if (package != nil) {
         package_ = [package retain];
         name_ = [[package id] retain];
+        commercial_ = [package isCommercial];
 
         [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"package" ofType:@"html"]]];
 
+        if ([package_ mode] != nil)
+            [buttons_ addObject:@"Clear"];
         if ([package_ source] == nil);
         else if ([package_ upgradableAndEssential:NO])
             [buttons_ addObject:@"Upgrade"];
@@ -3470,6 +4376,10 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     }
 }
 
+- (bool) isLoading {
+    return commercial_ ? [super isLoading] : false;
+}
+
 - (void) reloadData {
     [self setPackage:[database_ packageWithName:name_]];
     [self reloadButtons];
@@ -3481,17 +4391,14 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 @interface PackageTable : RVPage {
     _transient Database *database_;
     NSString *title_;
-    SEL filter_;
-    id object_;
     NSMutableArray *packages_;
     NSMutableArray *sections_;
     UISectionList *list_;
 }
 
-- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
+- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title;
 
 - (void) setDelegate:(id)delegate;
-- (void) setObject:(id)object;
 
 - (void) reloadData;
 - (void) resetCursor;
@@ -3508,8 +4415,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [list_ setDataSource:nil];
 
     [title_ release];
-    if (object_ != nil)
-        [object_ release];
     [packages_ release];
     [sections_ release];
     [list_ release];
@@ -3553,18 +4458,17 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         return;
 
     Package *package = [packages_ objectAtIndex:row];
+    package = [database_ packageWithName:[package id]];
     PackageView *view = [[[PackageView alloc] initWithBook:book_ database:database_] autorelease];
-    [view setDelegate:delegate_];
     [view setPackage:package];
+    [view setDelegate:delegate_];
     [book_ pushPage:view];
 }
 
-- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
+- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title {
     if ((self = [super initWithBook:book]) != nil) {
         database_ = database;
         title_ = [title retain];
-        filter_ = filter;
-        object_ = object == nil ? nil : [object retain];
 
         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
@@ -3585,7 +4489,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         [table setReusesTableCells:YES];
 
         [self addSubview:list_];
-        [self reloadData];
 
         [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
@@ -3596,13 +4499,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     delegate_ = delegate;
 }
 
-- (void) setObject:(id)object {
-    if (object_ != nil)
-        [object_ release];
-    if (object == nil)
-        object_ = nil;
-    else
-        object_ = [object retain];
+- (bool) hasPackage:(Package *)package {
+    return true;
 }
 
 - (void) reloadData {
@@ -3611,27 +4509,41 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [packages_ removeAllObjects];
     [sections_ removeAllObjects];
 
-    for (size_t i(0); i != [packages count]; ++i) {
-        Package *package([packages objectAtIndex:i]);
-        if ([package valid] && [[package performSelector:filter_ withObject:object_] boolValue])
-            [packages_ addObject:package];
-    }
+    _profile(PackageTable$reloadData$Filter)
+        for (Package *package in packages)
+            if ([self hasPackage:package])
+                [packages_ addObject:package];
+    _end
 
     Section *section = nil;
 
-    for (size_t offset(0); offset != [packages_ count]; ++offset) {
-        Package *package = [packages_ objectAtIndex:offset];
-        NSString *name = [package index];
+    _profile(PackageTable$reloadData$Section)
+        for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
+            Package *package;
+            unichar index;
 
-        if (section == nil || ![[section name] isEqualToString:name]) {
-            section = [[[Section alloc] initWithName:name row:offset] autorelease];
-            [sections_ addObject:section];
-        }
+            _profile(PackageTable$reloadData$Section$Package)
+                package = [packages_ objectAtIndex:offset];
+                index = [package index];
+            _end
 
-        [section addToCount];
-    }
+            if (section == nil || [section index] != index) {
+                _profile(PackageTable$reloadData$Section$Allocate)
+                    section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
+                _end
 
-    [list_ reloadData];
+                _profile(PackageTable$reloadData$Section$Add)
+                    [sections_ addObject:section];
+                _end
+            }
+
+            [section addToCount];
+        }
+    _end
+
+    _profile(PackageTable$reloadData$List)
+        [list_ reloadData];
+    _end
 }
 
 - (NSString *) title {
@@ -3654,6 +4566,58 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [list_ setShouldHideHeaderInShortLists:hide];
 }
 
+@end
+/* }}} */
+/* Filtered Package Table {{{ */
+@interface FilteredPackageTable : PackageTable {
+    SEL filter_;
+    IMP imp_;
+    id object_;
+}
+
+- (void) setObject:(id)object;
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
+
+@end
+
+@implementation FilteredPackageTable
+
+- (void) dealloc {
+    if (object_ != nil)
+        [object_ release];
+    [super dealloc];
+}
+
+- (void) setObject:(id)object {
+    if (object_ != nil)
+        [object_ release];
+    if (object == nil)
+        object_ = nil;
+    else
+        object_ = [object retain];
+}
+
+- (bool) hasPackage:(Package *)package {
+    _profile(FilteredPackageTable$hasPackage)
+        return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
+    _end
+}
+
+- (id) initWithBook:(RVBook *)book database:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
+    if ((self = [super initWithBook:book database:database title:title]) != nil) {
+        filter_ = filter;
+        object_ = object == nil ? nil : [object retain];
+
+        /* XXX: this is an unsafe optimization of doomy hell */
+        Method method = class_getInstanceMethod([Package class], filter);
+        imp_ = method_getImplementation(method);
+        _assert(imp_ != NULL);
+
+        [self reloadData];
+    } return self;
+}
+
 @end
 /* }}} */
 
@@ -3850,7 +4814,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     Source *source = [sources_ objectAtIndex:row];
 
-    PackageTable *packages = [[[PackageTable alloc]
+    PackageTable *packages = [[[FilteredPackageTable alloc]
         initWithBook:book_
         database:database_
         title:[source label]
@@ -3878,11 +4842,40 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [delegate_ syncData];
 }
 
-- (void) _endConnection:(NSURLConnection *)connection {
-    NSURLConnection **field = NULL;
-    if (connection == trivial_bz2_)
-        field = &trivial_bz2_;
-    else if (connection == trivial_gz_)
+- (void) complete {
+    [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
+        @"deb", @"Type",
+        href_, @"URI",
+        @"./", @"Distribution",
+    nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href_]];
+
+    [delegate_ syncData];
+}
+
+- (NSString *) getWarning {
+    NSString *href(href_);
+    NSRange colon([href rangeOfString:@"://"]);
+    if (colon.location != NSNotFound)
+        href = [href substringFromIndex:(colon.location + 3)];
+    href = [href stringByAddingPercentEscapes];
+    href = [@"http://cydia.saurik.com/api/repotag/" stringByAppendingString:href];
+    href = [href stringByCachingURLWithCurrentCDN];
+
+    NSURL *url([NSURL URLWithString:href]);
+
+    NSStringEncoding encoding;
+    NSError *error(nil);
+
+    if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
+        return [warning length] == 0 ? nil : warning;
+    return nil;
+}
+
+- (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];
@@ -3892,21 +4885,26 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         trivial_bz2_ == nil &&
         trivial_gz_ == nil
     ) {
-        [delegate_ setStatusBarShowsProgress:NO];
-
-        [hud_ show:NO];
-        [hud_ removeFromSuperview];
-        [hud_ autorelease];
-        hud_ = nil;
+        bool defer(false);
 
         if (trivial_) {
-            [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
-                @"deb", @"Type",
-                href_, @"URI",
-                @"./", @"Distribution",
-            nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href_]];
-
-            [delegate_ syncData];
+            if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
+                defer = true;
+
+                UIActionSheet *sheet = [[[UIActionSheet alloc]
+                    initWithTitle:@"Source Warning"
+                    buttons:[NSArray arrayWithObjects:@"Add Anyway", @"Cancel", nil]
+                    defaultButtonIndex:0
+                    delegate:self
+                    context:@"warning"
+                ] autorelease];
+
+                [sheet setNumberOfRows:1];
+
+                [sheet setBodyText:warning];
+                [sheet popupAlertAnimated:YES];
+            } else
+                [self complete];
         } else if (error_ != nil) {
             UIActionSheet *sheet = [[[UIActionSheet alloc]
                 initWithTitle:@"Verification Error"
@@ -3931,8 +4929,16 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             [sheet popupAlertAnimated:YES];
         }
 
-        [href_ release];
-        href_ = nil;
+        [delegate_ setStatusBarShowsProgress:NO];
+        [delegate_ removeProgressHUD:hud_];
+
+        [hud_ autorelease];
+        hud_ = nil;
+
+        if (!defer) {
+            [href_ release];
+            href_ = nil;
+        }
 
         if (error_ != nil) {
             [error_ release];
@@ -3949,7 +4955,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
-    fprintf(stderr, "connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
+    lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
     if (error_ != nil)
         error_ = [error retain];
     [self _endConnection:connection];
@@ -3972,8 +4978,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
-    NSString *context = [sheet context];
-    if ([context isEqualToString:@"source"])
+    NSString *context([sheet context]);
+
+    if ([context isEqualToString:@"source"]) {
         switch (button) {
             case 1: {
                 NSString *href = [[sheet textField] text];
@@ -3992,7 +4999,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
                 trivial_ = false;
 
-                hud_ = [delegate_ addProgressHUD];
+                hud_ = [[delegate_ addProgressHUD] retain];
                 [hud_ setText:@"Verifying URL"];
             } break;
 
@@ -4003,7 +5010,29 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 _assert(false);
         }
 
-    [sheet dismiss];
+        [sheet dismiss];
+    } else if ([context isEqualToString:@"trivial"])
+        [sheet dismiss];
+    else if ([context isEqualToString:@"urlerror"])
+        [sheet dismiss];
+    else if ([context isEqualToString:@"warning"]) {
+        switch (button) {
+            case 1:
+                [self complete];
+            break;
+
+            case 2:
+            break;
+
+            default:
+                _assert(false);
+        }
+
+        [href_ release];
+        href_ = nil;
+
+        [sheet dismiss];
+    }
 }
 
 - (id) initWithBook:(RVBook *)book database:(Database *)database {
@@ -4042,7 +5071,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     [sources_ removeAllObjects];
     [sources_ addObjectsFromArray:[database_ sources]];
+    _trace();
     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
+    _trace();
 
     int count = [sources_ count];
     for (offset_ = 0; offset_ != count; ++offset_) {
@@ -4072,12 +5103,16 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         context:@"source"
     ] autorelease];
 
+    [sheet setNumberOfRows:1];
+
     [sheet addTextFieldWithValue:@"http://" label:@""];
 
     UITextInputTraits *traits = [[sheet textField] textInputTraits];
-    [traits setAutocapitalizationType:0];
-    [traits setKeyboardType:3];
-    [traits setAutocorrectionType:1];
+    [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
+    [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
+    [traits setKeyboardType:UIKeyboardTypeURL];
+    // XXX: UIReturnKeyDone
+    [traits setReturnKeyType:UIReturnKeyNext];
 
     [sheet popupAlertAnimated:YES];
 }
@@ -4093,15 +5128,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     return @"Sources";
 }
 
-- (NSString *) backButtonTitle {
-    return @"Sources";
-}
-
 - (NSString *) leftButtonTitle {
     return [[list_ table] isRowDeletionEnabled] ? @"Add" : nil;
 }
 
-- (NSString *) rightButtonTitle {
+- (id) rightButtonTitle {
     return [[list_ table] isRowDeletionEnabled] ? @"Done" : @"Edit";
 }
 
@@ -4115,7 +5146,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 /* Installed View {{{ */
 @interface InstalledView : RVPage {
     _transient Database *database_;
-    PackageTable *packages_;
+    FilteredPackageTable *packages_;
     BOOL expert_;
 }
 
@@ -4134,7 +5165,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     if ((self = [super initWithBook:book]) != nil) {
         database_ = database;
 
-        packages_ = [[PackageTable alloc]
+        packages_ = [[FilteredPackageTable alloc]
             initWithBook:book
             database:database
             title:nil
@@ -4172,7 +5203,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     return @"Packages";
 }
 
-- (NSString *) rightButtonTitle {
+- (id) rightButtonTitle {
     return Role_ != nil && [Role_ isEqualToString:@"Developer"] ? nil : expert_ ? @"Expert" : @"Simple";
 }
 
@@ -4197,7 +5228,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 @implementation HomeView
 
 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+    NSString *context([sheet context]);
+
+    if ([context isEqualToString:@"about"])
+        [sheet dismiss];
+    else
+        [super alertSheet:sheet buttonClicked:button];
 }
 
 - (void) _leftButtonClicked {
@@ -4210,7 +5246,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     ] autorelease];
 
     [sheet setBodyText:
-        @"Copyright (C) 2008\n"
+        @"Copyright (C) 2008-2009\n"
         "Jay Freeman (saurik)\n"
         "saurik@saurik.com\n"
         "http://www.saurik.com/\n"
@@ -4253,491 +5289,376 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     return @"Settings";
 }
 
-- (NSString *) _rightButtonTitle {
-    return nil;
-}
-
-@end
-/* }}} */
-
-/* Indirect Delegate {{{ */
-@interface IndirectDelegate : NSProxy {
-    _transient id delegate_;
-}
-
-- (void) setDelegate:(id)delegate;
-- (id) initWithDelegate:(id)delegate;
-@end
-
-@implementation IndirectDelegate
-
-- (void) setDelegate:(id)delegate {
-    delegate_ = delegate;
+#if !AlwaysReload
+- (id) _rightButtonTitle {
+    return Queuing_ ? @"Queue" : nil;
 }
 
-- (id) initWithDelegate:(id)delegate {
-    delegate_ = delegate;
-    return self;
-}
-
-- (void) doesNotRecognizeSelector:(SEL)sel {
-    fprintf(stderr, "doesNotRecognizeSelector:@selector(%s)", sel_getName(sel));
+- (UINavigationButtonStyle) rightButtonStyle {
+    return Queuing_ ? UINavigationButtonStyleHighlighted : UINavigationButtonStyleNormal;
 }
 
-- (NSMethodSignature*) methodSignatureForSelector:(SEL)sel {
-    if (delegate_ != nil)
-        if (NSMethodSignature *sig = [delegate_ methodSignatureForSelector:sel])
-            return sig;
-    return nil;
+- (void) _rightButtonClicked {
+    [delegate_ queue];
 }
+#endif
 
-- (void) forwardInvocation:(NSInvocation*)inv {
-    SEL sel = [inv selector];
-    if (delegate_ != nil && [delegate_ respondsToSelector:sel])
-        [inv invokeWithTarget:delegate_];
+- (bool) isLoading {
+    return false;
 }
 
 @end
 /* }}} */
-/* Browser Implementation {{{ */
-@implementation BrowserView
-
-- (void) dealloc {
-    WebView *webview = [webview_ webView];
-    [webview setFrameLoadDelegate:nil];
-    [webview setResourceLoadDelegate:nil];
-    [webview setUIDelegate:nil];
 
-    [webview_ setDelegate:nil];
-    [webview_ setGestureDelegate:nil];
+#include <BrowserView.m>
 
-    /*WebFrame *frame = [webview mainFrame];
-    [frame loadHTMLString:@"" baseURL:[NSURL URLWithString:@"http://cydia.saurik.com/"]];*/
+/* Cydia Book {{{ */
+@interface CYBook : RVBook <
+    ProgressDelegate
+> {
+    _transient Database *database_;
+    UINavigationBar *overlay_;
+    UINavigationBar *underlay_;
+    UIProgressIndicator *indicator_;
+    UITextLabel *prompt_;
+    UIProgressBar *progress_;
+    UINavigationButton *cancel_;
+    bool updating_;
+}
 
-    //[webview_ removeFromSuperview];
-    //[Documents_ addObject:[webview_ autorelease]];
-    [webview_ release];
+- (id) initWithFrame:(CGRect)frame database:(Database *)database;
+- (void) update;
+- (BOOL) updating;
 
-    [indirect_ setDelegate:nil];
-    [indirect_ release];
+@end
 
-    [scroller_ setDelegate:nil];
+@implementation CYBook
 
-    [scroller_ release];
-    [urls_ release];
+- (void) dealloc {
+    [overlay_ release];
     [indicator_ release];
-    if (title_ != nil)
-        [title_ release];
+    [prompt_ release];
+    [progress_ release];
+    [cancel_ 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];
-
-    [copy addValue:[NSString stringWithUTF8String:Firmware_] forHTTPHeaderField:@"X-Firmware"];
-    [copy addValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
-    [copy addValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
-
-    if (Role_ != nil)
-        [copy addValue:Role_ forHTTPHeaderField:@"X-Role"];
-
-    return copy;
+- (NSString *) getTitleForPage:(RVPage *)page {
+    return Simplify([super getTitleForPage:page]);
 }
 
-- (void) loadRequest:(NSURLRequest *)request {
-    pushed_ = true;
-    [webview_ loadRequest:request];
+- (BOOL) updating {
+    return updating_;
 }
 
-- (void) reloadURL {
-    if ([urls_ count] == 0)
-        return;
-    NSURL *url = [[[urls_ lastObject] retain] autorelease];
-    [urls_ removeLastObject];
-    [self loadURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData];
-}
+- (void) update {
+    [UIView beginAnimations:nil context:NULL];
 
-- (WebView *) webView {
-    return [webview_ webView];
-}
+    CGRect ovrframe = [overlay_ frame];
+    ovrframe.origin.y = 0;
+    [overlay_ setFrame:ovrframe];
 
-- (void) view:(UIView *)sender didSetFrame:(CGRect)frame {
-    [scroller_ setContentSize:frame.size];
-}
+    CGRect barframe = [navbar_ frame];
+    barframe.origin.y += ovrframe.size.height;
+    [navbar_ setFrame:barframe];
 
-- (void) view:(UIView *)sender didSetFrame:(CGRect)frame oldFrame:(CGRect)old {
-    [self view:sender didSetFrame:frame];
-}
+    CGRect trnframe = [transition_ frame];
+    trnframe.origin.y += ovrframe.size.height;
+    trnframe.size.height -= ovrframe.size.height;
+    [transition_ setFrame:trnframe];
 
-- (void) pushPage:(RVPage *)page {
-    [self setBackButtonTitle:title_];
-    [page setDelegate:delegate_];
-    [book_ pushPage:page];
-}
+    [UIView endAnimations];
 
-- (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];
+    [indicator_ startAnimation];
+    [prompt_ setText:@"Updating Database"];
+    [progress_ setProgress:0];
 
-        [sheet setBodyText:[NSString stringWithFormat:
-            @"The package %@ cannot be found in your current sources. I might recommend installing more sources."
-        , name]];
+    updating_ = true;
+    [overlay_ addSubview:cancel_];
 
-        [sheet popupAlertAnimated:YES];
-        return nil;
-    }
+    [NSThread
+        detachNewThreadSelector:@selector(_update)
+        toTarget:self
+        withObject:nil
+    ];
 }
 
-- (BOOL) getSpecial:(NSString *)href {
-    RVPage *page = nil;
-
-    if (
-        [href hasPrefix:@"http://ax.phobos.apple.com/"] ||
-        [href hasPrefix:@"http://phobos.apple.com/"] ||
-        [href hasPrefix:@"http://www.youtube.com/watch?"] ||
-        [href hasPrefix:@"tel:"]
-    )
-        [delegate_ openURL:[NSURL URLWithString:href]];
-    else if ([href hasPrefix:@"mailto:"]) {
-        [delegate_ openURL:[NSURL URLWithString:href]];
-    } else if ([href isEqualToString:@"cydia://add-source"])
-        page = [[[AddSourceView alloc] initWithBook:book_ database:database_] autorelease];
-    else if ([href isEqualToString:@"cydia://sources"])
-        page = [[[SourceTable alloc] initWithBook:book_ database:database_] autorelease];
-    else if ([href isEqualToString:@"cydia://packages"])
-        page = [[[InstalledView alloc] initWithBook:book_ database:database_] autorelease];
-    else if ([href hasPrefix:@"cydia://files/"]) {
-        NSString *name = [href substringFromIndex:14];
+- (void) _update_ {
+    updating_ = false;
 
-        if (Package *package = [database_ packageWithName:name]) {
-            FileTable *files = [[[FileTable alloc] initWithBook:book_ database:database_] autorelease];
-            [files setPackage:package];
-            page = files;
-        }
-    } else if ([href hasPrefix:@"apptapp://package/"])
-        page = [self _pageForPackage:[href substringFromIndex:18]];
-    else if ([href hasPrefix:@"cydia://package/"])
-        page = [self _pageForPackage:[href substringFromIndex:16]];
-    else if (![href hasPrefix:@"apptapp:"] && ![href hasPrefix:@"cydia:"])
-        return false;
+    [indicator_ stopAnimation];
 
-    if (page != nil)
-        [self pushPage:page];
-    return true;
-}
+    [UIView beginAnimations:nil context:NULL];
 
-- (void) webView:(WebView *)sender willClickElement:(id)element {
-    if ([[element localName] isEqualToString:@"img"])
-        do if ((element = [element parentNode]) == nil)
-            return;
-        while (![[element localName] isEqualToString:@"a"]);
-    if (![element respondsToSelector:@selector(href)])
-        return;
-    NSString *href = [element href];
-    if (href == nil)
-        return;
-    [self getSpecial:href];
-}
+    CGRect ovrframe = [overlay_ frame];
+    ovrframe.origin.y = -ovrframe.size.height;
+    [overlay_ setFrame:ovrframe];
 
-- (NSURLRequest *) webView:(WebView *)sender resource:(id)identifier willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse fromDataSource:(WebDataSource *)dataSource {
-    NSURL *url = [request URL];
-    if ([self getSpecial:[url absoluteString]])
-        return nil;
+    CGRect barframe = [navbar_ frame];
+    barframe.origin.y -= ovrframe.size.height;
+    [navbar_ setFrame:barframe];
 
-    if (!pushed_) {
-        pushed_ = true;
-        [book_ pushPage:self];
-    }
+    CGRect trnframe = [transition_ frame];
+    trnframe.origin.y -= ovrframe.size.height;
+    trnframe.size.height += ovrframe.size.height;
+    [transition_ setFrame:trnframe];
 
-    return [self _addHeadersToRequest:request];
-}
+    [UIView commitAnimations];
 
-- (BOOL) isSpecialScheme:(NSString *)scheme {
-    return
-        [scheme isEqualToString:@"apptapp"] ||
-        [scheme isEqualToString:@"cydia"] ||
-        [scheme isEqualToString:@"mailto"] ||
-        [scheme isEqualToString:@"tel"];
+    [delegate_ performSelector:@selector(reloadData) withObject:nil afterDelay:0];
 }
 
-- (WebView *) webView:(WebView *)sender createWebViewWithRequest:(NSURLRequest *)request {
-    if (request != nil) {
-        NSURL *url = [request URL];
-        NSString *scheme = [url scheme];
-        NSString *absolute = [url absoluteString];
-        if (
-            [self isSpecialScheme:scheme] ||
-            [absolute hasPrefix:@"http://ax.phobos.apple.com/"] ||
-            [absolute hasPrefix:@"http://phobos.apple.com/"] ||
-            [absolute hasPrefix:@"http://www.yahoo.com/watch?"]
-        )
-            return nil;
-    }
-
-    [self setBackButtonTitle:title_];
-
-    BrowserView *browser = [[[BrowserView alloc] initWithBook:book_ database:database_] autorelease];
-    [browser setDelegate:delegate_];
+- (id) initWithFrame:(CGRect)frame database:(Database *)database {
+    if ((self = [super initWithFrame:frame]) != nil) {
+        database_ = database;
 
-    if (request != nil) {
-        [browser loadRequest:[self _addHeadersToRequest:request]];
-        [book_ pushPage:browser];
-    }
+        CGRect ovrrect = [navbar_ bounds];
+        ovrrect.size.height = [UINavigationBar defaultSize].height;
+        ovrrect.origin.y = -ovrrect.size.height;
 
-    return [browser webView];
-}
+        overlay_ = [[UINavigationBar alloc] initWithFrame:ovrrect];
+        [self addSubview:overlay_];
 
-- (void) webView:(WebView *)sender didReceiveTitle:(NSString *)title forFrame:(WebFrame *)frame {
-    if ([frame parentFrame] != nil)
-        return;
+        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_];
 
-    title_ = [title retain];
-    [self setTitle:title];
-}
+        [overlay_ setBarStyle:1];
+        [underlay_ setBarStyle:1];
 
-- (void) webView:(WebView *)sender didStartProvisionalLoadForFrame:(WebFrame *)frame {
-    if ([frame parentFrame] != nil)
-        return;
+        int barstyle = [overlay_ _barStyle:NO];
+        bool ugly = barstyle == 0;
 
-    reloading_ = false;
-    loading_ = true;
-    [indicator_ startAnimation];
-    [self reloadButtons];
+        UIProgressIndicatorStyle style = ugly ?
+            UIProgressIndicatorStyleMediumBrown :
+            UIProgressIndicatorStyleMediumWhite;
 
-    if (title_ != nil) {
-        [title_ release];
-        title_ = nil;
-    }
+        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:style];
+        unsigned indoffset = (ovrrect.size.height - indsize.height) / 2;
+        CGRect indrect = {{indoffset, indoffset}, indsize};
 
-    [self setTitle:@"Loading"];
+        indicator_ = [[UIProgressIndicator alloc] initWithFrame:indrect];
+        [indicator_ setStyle:style];
+        [overlay_ addSubview:indicator_];
 
-    WebView *webview = [webview_ webView];
-    NSString *href = [webview mainFrameURL];
-    [urls_ addObject:[NSURL URLWithString:href]];
+        CGSize prmsize = {215, indsize.height + 4};
 
-    CGRect webrect = [scroller_ bounds];
-    webrect.size.height = 0;
-    [webview_ setFrame:webrect];
+        CGRect prmrect = {{
+            indoffset * 2 + indsize.width,
+#ifdef __OBJC2__
+            -1 +
+#endif
+            unsigned(ovrrect.size.height - prmsize.height) / 2
+        }, prmsize};
 
-    [scroller_ scrollPointVisibleAtTopLeft:CGPointZero];
-}
+        UIFont *font = [UIFont systemFontOfSize:15];
 
-- (void) _finishLoading {
-    if (!reloading_) {
-        loading_ = false;
-        [indicator_ stopAnimation];
-        [self reloadButtons];
-    }
-}
+        prompt_ = [[UITextLabel alloc] initWithFrame:prmrect];
 
-- (BOOL) webView:(WebView *)sender shouldScrollToPoint:(struct CGPoint)point forFrame:(WebFrame *)frame {
-    _trace();
-    return [webview_ webView:sender shouldScrollToPoint:point forFrame:frame];
-}
+        [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
+        [prompt_ setBackgroundColor:[UIColor clearColor]];
+        [prompt_ setFont:font];
 
-- (void) webView:(WebView *)sender didReceiveViewportArguments:(id)arguments forFrame:(WebFrame *)frame {
-    return [webview_ webView:sender didReceiveViewportArguments:arguments forFrame:frame];
-}
+        [overlay_ addSubview:prompt_];
 
-- (void) webView:(WebView *)sender needsScrollNotifications:(id)notifications forFrame:(WebFrame *)frame {
-    return [webview_ webView:sender needsScrollNotifications:notifications forFrame:frame];
-}
+        CGSize prgsize = {75, 100};
 
-- (void) webView:(WebView *)sender didCommitLoadForFrame:(WebFrame *)frame {
-    return [webview_ webView:sender didCommitLoadForFrame:frame];
-}
+        CGRect prgrect = {{
+            ovrrect.size.width - prgsize.width - 10,
+            (ovrrect.size.height - prgsize.height) / 2
+        } , prgsize};
 
-- (void) webView:(WebView *)sender didReceiveDocTypeForFrame:(WebFrame *)frame {
-    return [webview_ webView:sender didReceiveDocTypeForFrame:frame];
-}
+        progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
+        [progress_ setStyle:0];
+        [overlay_ addSubview:progress_];
 
-- (void) webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame {
-    if ([frame parentFrame] == nil)
-        [self _finishLoading];
-    return [webview_ webView:sender didFinishLoadForFrame:frame];
-}
+        cancel_ = [[UINavigationButton alloc] initWithTitle:@"Cancel" style:UINavigationButtonStyleHighlighted];
+        [cancel_ addTarget:self action:@selector(_onCancel) forControlEvents:UIControlEventTouchUpInside];
 
-- (void) webView:(WebView *)sender didFailProvisionalLoadWithError:(NSError *)error forFrame:(WebFrame *)frame {
-    if ([frame parentFrame] != nil)
-        return;
-    [self _finishLoading];
+        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];
 
-    [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@?%@",
-        [[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"error" ofType:@"html"]] absoluteString],
-        [[error localizedDescription] stringByAddingPercentEscapes]
-    ]]];
+        [cancel_ setBarStyle:barstyle];
+    } return self;
 }
 
-- (id) initWithBook:(RVBook *)book database:(Database *)database {
-    if ((self = [super initWithBook:book]) != nil) {
-        database_ = database;
-        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_ = [Documents_ lastObject];
-        if (webview_ != nil) {
-            webview_ = [webview_ retain];
-            [Documents_ removeLastObject];
-            [webview_ setFrame:webrect];
-        } else {
-            webview_ = [[UIWebDocumentView alloc] initWithFrame:webrect];
-
-            [webview_ setTileSize:CGSizeMake(webrect.size.width, 500)];
-
-            [webview_ setTilingEnabled:YES];
-            [webview_ setTileMinificationFilter:kCAFilterNearest];
-            [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_ setDelegate:self];
-        [webview_ setGestureDelegate:self];
-        [scroller_ addSubview:webview_];
+- (void) _onCancel {
+    updating_ = false;
+    [cancel_ removeFromSuperview];
+}
 
-        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:kUIProgressIndicatorStyleMediumWhite];
-        indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectMake(281, 12, indsize.width, indsize.height)];
-        [indicator_ setStyle:kUIProgressIndicatorStyleMediumWhite];
+- (void) _update { _pooled
+    Status status;
+    status.setDelegate(self);
 
-        Package *package([database_ packageWithName:@"cydia"]);
-        NSString *application = package == nil ? @"Cydia" : [NSString
-            stringWithFormat:@"Cydia/%@",
-            [package installed]
-        ];
+    [database_ updateWithStatus:status];
 
-        indirect_ = [[IndirectDelegate alloc] initWithDelegate:self];
+    [self
+        performSelectorOnMainThread:@selector(_update_)
+        withObject:nil
+        waitUntilDone:NO
+    ];
+}
 
-        WebView *webview = [webview_ webView];
-        [webview setApplicationNameForUserAgent:application];
-        [webview setFrameLoadDelegate:self];
-        [webview setResourceLoadDelegate:indirect_];
-        [webview setUIDelegate:self];
+- (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
+    [prompt_ setText:[NSString stringWithFormat:@"Error: %@", error]];
+}
 
-        //[webview _setLayoutInterval:0.5];
+- (void) setProgressTitle:(NSString *)title {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressTitle:)
+        withObject:title
+        waitUntilDone:YES
+    ];
+}
 
-        urls_ = [[NSMutableArray alloc] initWithCapacity:16];
+- (void) setProgressPercent:(float)percent {
+    [self
+        performSelectorOnMainThread:@selector(_setProgressPercent:)
+        withObject:[NSNumber numberWithFloat:percent]
+        waitUntilDone:YES
+    ];
+}
 
-        [self setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
-        [scroller_ setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
-        [pinstripe setAutoresizingMask:UIViewAutoresizingFlexibleHeight];
-    } return self;
+- (void) startProgress {
 }
 
-- (void) didFinishGesturesInView:(UIView *)view forEvent:(id)event {
-    [webview_ redrawScaledDocument];
+- (void) addProgressOutput:(NSString *)output {
+    [self
+        performSelectorOnMainThread:@selector(_addProgressOutput:)
+        withObject:output
+        waitUntilDone:YES
+    ];
 }
 
-- (void) _rightButtonClicked {
-    reloading_ = true;
-    [self reloadURL];
+- (bool) isCancelling:(size_t)received {
+    return !updating_;
 }
 
-- (NSString *) _rightButtonTitle {
-    return @"Reload";
+- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
+    [sheet dismiss];
 }
 
-- (NSString *) rightButtonTitle {
-    return loading_ ? @"" : [self _rightButtonTitle];
+- (void) _setProgressTitle:(NSString *)title {
+    [prompt_ setText:title];
 }
 
-- (NSString *) title {
-    return nil;
+- (void) _setProgressPercent:(NSNumber *)percent {
+    [progress_ setProgress:[percent floatValue]];
 }
 
-- (NSString *) backButtonTitle {
-    return @"Browser";
+- (void) _addProgressOutput:(NSString *)output {
 }
 
-- (void) setPageActive:(BOOL)active {
-    if (!active)
-        [indicator_ removeFromSuperview];
-    else
-        [[book_ navigationBar] addSubview:indicator_];
+@end
+/* }}} */
+/* Cydia:// Protocol {{{ */
+@interface CydiaURLProtocol : NSURLProtocol {
 }
 
-- (void) resetViewAnimated:(BOOL)animated {
+@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;
 }
 
-- (void) setPushed:(bool)pushed {
-    pushed_ = pushed;
++ (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
+    return request;
 }
 
-@end
-/* }}} */
+- (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
+    id<NSURLProtocolClient> client([self client]);
+    if (icon == nil)
+        [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
+    else {
+        NSData *data(UIImagePNGRepresentation(icon));
 
-@interface CYBook : RVBook <
-    ProgressDelegate
-> {
-    _transient Database *database_;
-    UINavigationBar *overlay_;
-    UIProgressIndicator *indicator_;
-    UITextLabel *prompt_;
-    UIProgressBar *progress_;
-    UINavigationButton *cancel_;
-    bool updating_;
-    size_t received_;
-    NSTimeInterval last_;
+        NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
+        [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
+        [client URLProtocol:self didLoadData:data];
+        [client URLProtocolDidFinishLoading:self];
+    }
 }
 
-- (id) initWithFrame:(CGRect)frame database:(Database *)database;
-- (void) update;
-- (BOOL) updating;
+- (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;
+        path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        Package *package([database packageWithName:path]);
+        if (package == nil)
+            goto fail;
+        UIImage *icon([package icon]);
+        [self _returnPNGWithImage:icon forRequest:request];
+    } else if ([command isEqualToString:@"source-icon"]) {
+        if (path == nil)
+            goto fail;
+        path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        NSString *source(Simplify(path));
+        UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
+        if (icon == nil)
+            icon = [UIImage applicationImageNamed:@"unknown.png"];
+        [self _returnPNGWithImage:icon forRequest:request];
+    } else if ([command isEqualToString:@"uikit-image"]) {
+        if (path == nil)
+            goto fail;
+        path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        UIImage *icon(_UIImageWithName(path));
+        [self _returnPNGWithImage:icon forRequest:request];
+    } else if ([command isEqualToString:@"section-icon"]) {
+        if (path == nil)
+            goto fail;
+        path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+        NSString *section(Simplify(path));
+        UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
+        if (icon == nil)
+            icon = [UIImage applicationImageNamed:@"unknown.png"];
+        [self _returnPNGWithImage:icon forRequest:request];
+    } else fail: {
+        [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
+    }
+}
+
+- (void) stopLoading {
+}
 
 @end
+/* }}} */
 
-/* Install View {{{ */
-@interface InstallView : RVPage {
+/* Sections View {{{ */
+@interface SectionsView : RVPage {
     _transient Database *database_;
     NSMutableArray *sections_;
     NSMutableArray *filtered_;
@@ -4753,7 +5674,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
 @end
 
-@implementation InstallView
+@implementation SectionsView
 
 - (void) dealloc {
     [list_ setDataSource:nil];
@@ -4818,7 +5739,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         }
     }
 
-    PackageTable *table = [[[PackageTable alloc]
+    PackageTable *table = [[[FilteredPackageTable alloc]
         initWithBook:book_
         database:database_
         title:title
@@ -4872,8 +5793,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     NSMutableArray *filtered = [NSMutableArray arrayWithCapacity:[packages count]];
     NSMutableDictionary *sections = [NSMutableDictionary dictionaryWithCapacity:32];
 
-    for (size_t i(0); i != [packages count]; ++i) {
-        Package *package([packages objectAtIndex:i]);
+    _trace();
+    for (Package *package in packages) {
         NSString *name([package section]);
 
         if (name != nil) {
@@ -4887,15 +5808,17 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         if ([package valid] && [package installed] == nil && [package visible])
             [filtered addObject:package];
     }
+    _trace();
 
     [sections_ addObjectsFromArray:[sections allValues]];
     [sections_ sortUsingSelector:@selector(compareByName:)];
 
+    _trace();
     [filtered sortUsingSelector:@selector(compareBySection:)];
+    _trace();
 
     Section *section = nil;
-    for (size_t offset = 0, count = [filtered count]; offset != count; ++offset) {
-        Package *package = [filtered objectAtIndex:offset];
+    for (Package *package in filtered) {
         NSString *name = [package section];
 
         if (section == nil || name != nil && ![[section name] isEqualToString:name]) {
@@ -4907,8 +5830,10 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
         [section addToCount];
     }
+    _trace();
 
     [list_ reloadData];
+    _trace();
 }
 
 - (void) resetView {
@@ -4923,11 +5848,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 - (void) _rightButtonClicked {
     if ((editing_ = !editing_))
         [list_ reloadData];
-    else {
+    else
         [delegate_ updateData];
-    }
-
-    [book_ setTitle:[self title] forPage:self];
+    [book_ reloadTitleForPage:self];
     [book_ reloadButtonsForPage:self];
 }
 
@@ -4939,7 +5862,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     return @"Sections";
 }
 
-- (NSString *) rightButtonTitle {
+- (id) rightButtonTitle {
     return [sections_ count] == 0 ? nil : editing_ ? @"Done" : @"Edit";
 }
 
@@ -5069,53 +5992,61 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [packages_ removeAllObjects];
     [sections_ removeAllObjects];
 
-    for (size_t i(0); i != [packages count]; ++i) {
-        Package *package([packages objectAtIndex:i]);
-
+    _trace();
+    for (Package *package in packages)
         if (
             [package installed] == nil && [package valid] && [package visible] ||
-            [package upgradableAndEssential:NO]
+            [package upgradableAndEssential:YES]
         )
             [packages_ addObject:package];
-    }
 
-    [packages_ sortUsingSelector:@selector(compareForChanges:)];
+    _trace();
+    [packages_ radixSortUsingSelector:@selector(compareForChanges) withObject:nil];
+    _trace();
 
     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;
 
     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 upgradableAndEssential:YES]) {
-            ++upgrades_;
-            [upgradable addToCount];
-        } else {
+        if (![package upgradableAndEssential:YES]) {
             unseens = true;
             NSDate *seen = [package seen];
 
-            NSString *name;
+            if (section == nil || last != seen && (seen == nil || [seen compare:last] != NSOrderedSame)) {
+                last = seen;
 
-            if (seen == nil)
-                name = [@"n/a ?" retain];
-            else {
-                name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) seen);
-            }
+                NSString *name;
+                if (seen == nil)
+                    name = @"unknown?";
+                else {
+                    name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) seen);
+                    [name autorelease];
+                }
 
-            if (section == nil || ![[section name] isEqualToString:name]) {
+                name = [@"New at " stringByAppendingString:name];
                 section = [[[Section alloc] initWithName:name row:offset] autorelease];
                 [sections_ addObject:section];
             }
 
-            [name release];
             [section addToCount];
+        } else if ([package ignored])
+            [ignored addToCount];
+        else {
+            ++upgrades_;
+            [upgradable addToCount];
         }
     }
+    _trace();
 
     CFRelease(formatter);
 
@@ -5126,6 +6057,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         [sections_ removeLastObject];
     }
 
+    if ([ignored count] != 0)
+        [sections_ insertObject:ignored atIndex:0];
     if (upgrades_ != 0)
         [sections_ insertObject:upgradable atIndex:0];
 
@@ -5141,7 +6074,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     return [(CYBook *)book_ updating] ? nil : @"Refresh";
 }
 
-- (NSString *) rightButtonTitle {
+- (id) rightButtonTitle {
     return upgrades_ == 0 ? nil : [NSString stringWithFormat:@"Upgrade (%u)", upgrades_];
 }
 
@@ -5160,7 +6093,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     UIView *accessory_;
     UISearchField *field_;
     UITransitionView *transition_;
-    PackageTable *table_;
+    FilteredPackageTable *table_;
     UIPreferencesTable *advanced_;
     UIView *dimmed_;
     bool flipped_;
@@ -5278,10 +6211,6 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     if ((self = [super initWithBook:book]) != nil) {
         CGRect pageBounds = [book_ pageBounds];
 
-        /*UIImageView *pinstripe = [[[UIImageView alloc] initWithFrame:pageBounds] autorelease];
-        [pinstripe setImage:[UIImage applicationImageNamed:@"pinstripe.png"]];
-        [self addSubview:pinstripe];*/
-
         transition_ = [[UITransitionView alloc] initWithFrame:pageBounds];
         [self addSubview:transition_];
 
@@ -5295,7 +6224,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         CGColor dimmed(space_, 0, 0, 0, 0.5);
         [dimmed_ setBackgroundColor:[UIColor colorWithCGColor:dimmed]];
 
-        table_ = [[PackageTable alloc]
+        table_ = [[FilteredPackageTable alloc]
             initWithBook:book
             database:database
             title:nil
@@ -5334,10 +6263,10 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
         [field_ setPaddingTop:5];
 
-        UITextInputTraits *traits = [field_ textInputTraits];
-        [traits setAutocapitalizationType:0];
-        [traits setAutocorrectionType:1];
-        [traits setReturnKeyType:6];
+        UITextInputTraits *traits([field_ textInputTraits]);
+        [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
+        [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
+        [traits setReturnKeyType:UIReturnKeySearch];
 
         CGRect accrect = {{0, 6}, {6 + cnfrect.size.width + 6 + area.size.width + 6, area.size.height}};
 
@@ -5382,11 +6311,17 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [table_ resetViewAnimated:animated];
 }
 
+- (void) _reloadData {
+}
+
 - (void) reloadData {
     if (flipped_)
         [self flipPage];
     [table_ setObject:[field_ text]];
-    [table_ reloadData];
+    _profile(SearchView$reloadData)
+        [table_ reloadData];
+    _end
+    PrintTimes();
     [table_ resetCursor];
 }
 
@@ -5410,234 +6345,236 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 @end
 /* }}} */
 
-@implementation CYBook
-
-- (void) dealloc {
-    [overlay_ release];
-    [indicator_ release];
-    [prompt_ release];
-    [progress_ release];
-    [cancel_ release];
-    [super dealloc];
+@interface SettingsView : RVPage {
+    _transient Database *database_;
+    NSString *name_;
+    Package *package_;
+    UIPreferencesTable *table_;
+    _UISwitchSlider *subscribedSwitch_;
+    _UISwitchSlider *ignoredSwitch_;
+    UIPreferencesControlTableCell *subscribedCell_;
+    UIPreferencesControlTableCell *ignoredCell_;
 }
 
-- (NSString *) getTitleForPage:(RVPage *)page {
-    return Simplify([super getTitleForPage:page]);
-}
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package;
 
-- (BOOL) updating {
-    return updating_;
-}
+@end
 
-- (void) update {
-    [UIView beginAnimations:nil context:NULL];
+@implementation SettingsView
 
-    CGRect ovrframe = [overlay_ frame];
-    ovrframe.origin.y = 0;
-    [overlay_ setFrame:ovrframe];
+- (void) dealloc {
+    [table_ setDataSource:nil];
 
-    CGRect barframe = [navbar_ frame];
-    barframe.origin.y += ovrframe.size.height;
-    [navbar_ setFrame:barframe];
+    [name_ release];
+    if (package_ != nil)
+        [package_ release];
+    [table_ release];
+    [subscribedSwitch_ release];
+    [ignoredSwitch_ release];
+    [subscribedCell_ release];
+    [ignoredCell_ release];
+    [super dealloc];
+}
 
-    CGRect trnframe = [transition_ frame];
-    trnframe.origin.y += ovrframe.size.height;
-    trnframe.size.height -= ovrframe.size.height;
-    [transition_ setFrame:trnframe];
+- (int) numberOfGroupsInPreferencesTable:(UIPreferencesTable *)table {
+    if (package_ == nil)
+        return 0;
 
-    [UIView endAnimations];
+    return 2;
+}
 
-    [indicator_ startAnimation];
-    [prompt_ setText:@"Updating Database"];
-    [progress_ setProgress:0];
+- (NSString *) preferencesTable:(UIPreferencesTable *)table titleForGroup:(int)group {
+    if (package_ == nil)
+        return nil;
 
-    received_ = 0;
-    last_ = [NSDate timeIntervalSinceReferenceDate];
-    updating_ = true;
-    [overlay_ addSubview:cancel_];
+    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;
 
-    [indicator_ stopAnimation];
+    switch (group) {
+        case 0: return NO;
+        case 1: return YES;
 
-    [UIView beginAnimations:nil context:NULL];
+        default: _assert(false);
+    }
 
-    CGRect ovrframe = [overlay_ frame];
-    ovrframe.origin.y = -ovrframe.size.height;
-    [overlay_ setFrame:ovrframe];
+    return NO;
+}
 
-    CGRect barframe = [navbar_ frame];
-    barframe.origin.y -= ovrframe.size.height;
-    [navbar_ setFrame:barframe];
+- (int) preferencesTable:(UIPreferencesTable *)table numberOfRowsInGroup:(int)group {
+    if (package_ == nil)
+        return 0;
 
-    CGRect trnframe = [transition_ frame];
-    trnframe.origin.y -= ovrframe.size.height;
-    trnframe.size.height += ovrframe.size.height;
-    [transition_ setFrame:trnframe];
+    switch (group) {
+        case 0: return 1;
+        case 1: return 1;
 
-    [UIView commitAnimations];
+        default: _assert(false);
+    }
 
-    [delegate_ performSelector:@selector(reloadData) withObject:nil afterDelay:0];
+    return 0;
 }
 
-- (id) initWithFrame:(CGRect)frame database:(Database *)database {
-    if ((self = [super initWithFrame:frame]) != nil) {
-        database_ = database;
+- (void) onSomething:(UIPreferencesControlTableCell *)cell withKey:(NSString *)key {
+    if (package_ == nil)
+        return;
 
-        CGRect ovrrect = [navbar_ bounds];
-        ovrrect.size.height = [UINavigationBar defaultSize].height;
-        ovrrect.origin.y = -ovrrect.size.height;
+    _UISwitchSlider *slider([cell control]);
+    BOOL value([slider value] != 0);
+    NSMutableDictionary *metadata([package_ metadata]);
 
-        overlay_ = [[UINavigationBar alloc] initWithFrame:ovrrect];
-        [self addSubview:overlay_];
+    BOOL before;
+    if (NSNumber *number = [metadata objectForKey:key])
+        before = [number boolValue];
+    else
+        before = NO;
 
-        [overlay_ setBarStyle:1];
-        int barstyle = [overlay_ _barStyle:NO];
-        bool ugly = barstyle == 0;
+    if (value != before) {
+        [metadata setObject:[NSNumber numberWithBool:value] forKey:key];
+        Changed_ = true;
+        [delegate_ updateData];
+    }
+}
 
-        UIProgressIndicatorStyle style = ugly ?
-            kUIProgressIndicatorStyleMediumBrown :
-            kUIProgressIndicatorStyleMediumWhite;
+- (void) onSubscribed:(UIPreferencesControlTableCell *)cell {
+    [self onSomething:cell withKey:@"IsSubscribed"];
+}
 
-        CGSize indsize = [UIProgressIndicator defaultSizeForStyle:style];
-        unsigned indoffset = (ovrrect.size.height - indsize.height) / 2;
-        CGRect indrect = {{indoffset, indoffset}, indsize};
+- (void) onIgnored:(UIPreferencesControlTableCell *)cell {
+    [self onSomething:cell withKey:@"IsIgnored"];
+}
 
-        indicator_ = [[UIProgressIndicator alloc] initWithFrame:indrect];
-        [indicator_ setStyle:style];
-        [overlay_ addSubview:indicator_];
+- (id) preferencesTable:(UIPreferencesTable *)table cellForRow:(int)row inGroup:(int)group {
+    if (package_ == nil)
+        return nil;
 
-        CGSize prmsize = {215, indsize.height + 4};
+    switch (group) {
+        case 0: switch (row) {
+            case 0:
+                return subscribedCell_;
+            case 1:
+                return ignoredCell_;
+            default: _assert(false);
+        } break;
 
-        CGRect prmrect = {{
-            indoffset * 2 + indsize.width,
-#ifdef __OBJC2__
-            -1 +
-#endif
-            unsigned(ovrrect.size.height - prmsize.height) / 2
-        }, prmsize};
+        case 1: switch (row) {
+            case 0: {
+                UIPreferencesControlTableCell *cell([[[UIPreferencesControlTableCell alloc] init] autorelease]);
+                [cell setShowSelection:NO];
+                [cell setTitle:@"Changes only shows upgrades to installed packages so as to minimize spam from packagers. Activate this to see upgrades to this package even when it is not installed."];
+                return cell;
+            }
 
-        UIFont *font = [UIFont systemFontOfSize:15];
+            default: _assert(false);
+        } break;
 
-        prompt_ = [[UITextLabel alloc] initWithFrame:prmrect];
+        default: _assert(false);
+    }
 
-        [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
-        [prompt_ setBackgroundColor:[UIColor clearColor]];
-        [prompt_ setFont:font];
+    return nil;
+}
 
-        [overlay_ addSubview:prompt_];
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package {
+    if ((self = [super initWithBook:book])) {
+        database_ = database;
+        name_ = [package retain];
 
-        CGSize prgsize = {75, 100};
+        table_ = [[UIPreferencesTable alloc] initWithFrame:[self bounds]];
+        [self addSubview:table_];
 
-        CGRect prgrect = {{
-            ovrrect.size.width - prgsize.width - 10,
-            (ovrrect.size.height - prgsize.height) / 2
-        } , prgsize};
+        subscribedSwitch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(200, 10, 50, 20)];
+        [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:kUIControlEventMouseUpInside];
 
-        progress_ = [[UIProgressBar alloc] initWithFrame:prgrect];
-        [progress_ setStyle:0];
-        [overlay_ addSubview:progress_];
+        ignoredSwitch_ = [[_UISwitchSlider alloc] initWithFrame:CGRectMake(200, 10, 50, 20)];
+        [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:kUIControlEventMouseUpInside];
 
-        cancel_ = [[UINavigationButton alloc] initWithTitle:@"Cancel" style:UINavigationButtonStyleHighlighted];
-        [cancel_ addTarget:self action:@selector(_onCancel) forControlEvents:UIControlEventTouchUpInside];
+        subscribedCell_ = [[UIPreferencesControlTableCell alloc] init];
+        [subscribedCell_ setShowSelection:NO];
+        [subscribedCell_ setTitle:@"Show All Changes"];
+        [subscribedCell_ setControl:subscribedSwitch_];
 
-        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];
+        ignoredCell_ = [[UIPreferencesControlTableCell alloc] init];
+        [ignoredCell_ setShowSelection:NO];
+        [ignoredCell_ setTitle:@"Ignore Upgrades"];
+        [ignoredCell_ setControl:ignoredSwitch_];
 
-        [cancel_ setBarStyle:barstyle];
+        [table_ setDataSource:self];
+        [self reloadData];
     } return self;
 }
 
-- (void) _onCancel {
-    updating_ = false;
-    [cancel_ removeFromSuperview];
+- (void) resetViewAnimated:(BOOL)animated {
+    [table_ resetViewAnimated:animated];
 }
 
-- (void) _update {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-
-    Status status;
-    status.setDelegate(self);
-
-    [database_ updateWithStatus:status];
-
-    [self
-        performSelectorOnMainThread:@selector(_update_)
-        withObject:nil
-        waitUntilDone:NO
-    ];
+- (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];
+    }
 
-    [pool release];
+    [table_ reloadData];
 }
 
-- (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
-    [prompt_ setText:[NSString stringWithFormat:@"Error: %@", error]];
+- (NSString *) title {
+    return @"Settings";
 }
 
-- (void) setProgressTitle:(NSString *)title {
-    [self
-        performSelectorOnMainThread:@selector(_setProgressTitle:)
-        withObject:title
-        waitUntilDone:YES
-    ];
-}
+@end
 
-- (void) setProgressPercent:(float)percent {
-    [self
-        performSelectorOnMainThread:@selector(_setProgressPercent:)
-        withObject:[NSNumber numberWithFloat:percent]
-        waitUntilDone:YES
-    ];
+/* Signature View {{{ */
+@interface SignatureView : BrowserView {
+    _transient Database *database_;
+    NSString *package_;
 }
 
-- (void) startProgress {
-}
+- (id) initWithBook:(RVBook *)book database:(Database *)database package:(NSString *)package;
 
-- (void) addProgressOutput:(NSString *)output {
-    [self
-        performSelectorOnMainThread:@selector(_addProgressOutput:)
-        withObject:output
-        waitUntilDone:YES
-    ];
-}
+@end
 
-- (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_;
+@implementation SignatureView
+
+- (void) dealloc {
+    [package_ release];
+    [super dealloc];
 }
 
-- (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
-    [sheet dismiss];
+- (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];
+- (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) _setProgressPercent:(NSNumber *)percent {
-    [progress_ setProgress:[percent floatValue]];
+- (void) resetViewAnimated:(BOOL)animated {
 }
 
-- (void) _addProgressOutput:(NSString *)output {
+- (void) reloadData {
+    [self loadURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"signature" ofType:@"html"]]];
 }
 
 @end
+/* }}} */
 
 @interface Cydia : UIApplication <
     ConfirmationViewDelegate,
@@ -5652,7 +6589,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     CYBook *book_;
     UIToolbar *buttonbar_;
 
-    ConfirmationView *confirm_;
+    RVBook *confirm_;
 
     NSMutableArray *essential_;
     NSMutableArray *broken_;
@@ -5665,7 +6602,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     UIKeyboard *keyboard_;
     UIProgressHUD *hud_;
 
-    InstallView *install_;
+    SectionsView *sections_;
     ChangesView *changes_;
     ManageView *manage_;
     SearchView *search_;
@@ -5697,7 +6634,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
         UIActionSheet *sheet = [[[UIActionSheet alloc]
             initWithTitle:[NSString stringWithFormat:@"%d Essential Upgrade%@", count, (count == 1 ? @"" : @"s")]
-            buttons:[NSArray arrayWithObjects:@"Upgrade Essential", @"Ignore (Temporary)", nil]
+            buttons:[NSArray arrayWithObjects:
+                @"Upgrade Essential",
+                @"Complete Upgrade",
+                @"Ignore (Temporary)",
+            nil]
             defaultButtonIndex:0
             delegate:self
             context:@"upgrade"
@@ -5709,12 +6650,17 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) _reloadData {
-    /*UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
-    [hud setText:@"Reloading Data"];
-    [overlay_ addSubview:hud];
-    [hud show:YES];*/
+    UIView *block();
+
+    static bool loaded(false);
+    UIProgressHUD *hud([self addProgressHUD]);
+    [hud setText:(loaded ? @"Reloading Data" : @"Loading Data")];
+    loaded = true;
+
+    [database_ yieldToSelector:@selector(reloadData) withObject:nil];
+    _trace();
 
-    [database_ reloadData];
+    [self removeProgressHUD:hud];
 
     size_t changes(0);
 
@@ -5722,8 +6668,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [broken_ removeAllObjects];
 
     NSArray *packages = [database_ packages];
-    for (int i(0), e([packages count]); i != e; ++i) {
-        Package *package = [packages objectAtIndex:i];
+    for (Package *package in packages) {
         if ([package half])
             [broken_ addObject:package];
         if ([package upgradableAndEssential:NO]) {
@@ -5737,7 +6682,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
         [buttonbar_ setBadgeValue:badge forButton:3];
         if ([buttonbar_ respondsToSelector:@selector(setBadgeAnimated:forButton:)])
-            [buttonbar_ setBadgeAnimated:YES forButton:3];
+            [buttonbar_ setBadgeAnimated:([essential_ count] != 0) forButton:3];
         [self setApplicationBadge:badge];
     } else {
         [buttonbar_ setBadgeValue:nil forButton:3];
@@ -5746,23 +6691,33 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         [self removeApplicationBadge];
     }
 
+    Queuing_ = false;
+    [buttonbar_ setBadgeValue:nil forButton:4];
+
     [self updateData];
 
+    // XXX: what is this line of code for?
     if ([packages count] == 0);
-    else if (Loaded_)
+    else if (Loaded_ || ManualRefresh) loaded:
         [self _loaded];
     else {
         Loaded_ = YES;
+
+        if (NSDate *update = [Metadata_ objectForKey:@"LastUpdate"]) {
+            NSTimeInterval interval([update timeIntervalSinceNow]);
+            if (interval <= 0 && interval > -600)
+                goto loaded;
+        }
+
         [book_ update];
     }
-
-    /*[hud show:NO];
-    [hud removeFromSuperview];*/
 }
 
 - (void) _saveConfig {
     if (Changed_) {
+        _trace();
         _assert([Metadata_ writeToFile:@"/var/lib/cydia/metadata.plist" atomically:YES] == YES);
+        _trace();
         Changed_ = false;
     }
 }
@@ -5771,11 +6726,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [self _saveConfig];
 
     /* XXX: this is just stupid */
-    if (tag_ != 2)
-        [install_ reloadData];
-    if (tag_ != 3)
+    if (tag_ != 2 && sections_ != nil)
+        [sections_ reloadData];
+    if (tag_ != 3 && changes_ != nil)
         [changes_ reloadData];
-    if (tag_ != 5)
+    if (tag_ != 5 && search_ != nil)
         [search_ reloadData];
 
     [book_ reloadData];
@@ -5791,8 +6746,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     NSArray *keys = [Sources_ allKeys];
 
-    for (int i(0), e([keys count]); i != e; ++i) {
-        NSString *key = [keys objectAtIndex:i];
+    for (NSString *key in keys) {
         NSDictionary *source = [Sources_ objectForKey:key];
 
         fprintf(file, "%s %s %s\n",
@@ -5829,33 +6783,38 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         _error->Discard();
 }
 
+- (void) popUpBook:(RVBook *)book {
+    [underlay_ popSubview:book];
+}
+
+- (CGRect) popUpBounds {
+    return [underlay_ bounds];
+}
+
 - (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];
+    confirm_ = [[RVBook alloc] initWithFrame:[self popUpBounds]];
+    [confirm_ setDelegate:self];
 
-        for (size_t i(0); i != [packages count]; ++i) {
-            Package *package = [packages objectAtIndex:i];
-            if ([package broken])
-                [broken addObject:[package name]];
-        }
+    ConfirmationView *page([[[ConfirmationView alloc] initWithBook:confirm_ database:database_] autorelease]);
+    [page setDelegate:self];
 
-        UIActionSheet *sheet = [[[UIActionSheet alloc]
-            initWithTitle:[NSString stringWithFormat:@"%d Broken Packages", [database_ cache]->BrokenCount()]
-            buttons:[NSArray arrayWithObjects:@"Okay", nil]
-            defaultButtonIndex:0
-            delegate:self
-            context:@"broken"
-        ] autorelease];
+    [confirm_ setPage:page];
+    [self popUpBook:confirm_];
+}
 
-        [sheet setBodyText:[NSString stringWithFormat:@"The following packages have unmet dependencies:\n\n%@", [broken componentsJoinedByString:@"\n"]]];
-        [sheet popupAlertAnimated:YES];
+- (void) queue {
+    @synchronized (self) {
+        [self perform];
+    }
+}
 
-        [self _reloadData];
+- (void) clearPackage:(Package *)package {
+    @synchronized (self) {
+        [package clear];
+        [self resolve];
+        [self perform];
     }
 }
 
@@ -5883,10 +6842,23 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) cancel {
+    [self slideUp:[[[UIActionSheet alloc]
+        initWithTitle:nil
+        buttons:[NSArray arrayWithObjects:@"Continue Queuing", @"Cancel and Clear", nil]
+        defaultButtonIndex:1
+        delegate:self
+        context:@"cancel"
+    ] autorelease]];
+}
+
+- (void) complete {
     @synchronized (self) {
-        [confirm_ release];
-        confirm_ = nil;
         [self _reloadData];
+
+        if (confirm_ != nil) {
+            [confirm_ release];
+            confirm_ = nil;
+        }
     }
 }
 
@@ -5919,16 +6891,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (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];
     }
+
+    [self complete];
 }
 
 - (void) setPage:(RVPage *)page {
@@ -5938,7 +6906,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (RVPage *) _pageForURL:(NSURL *)url withClass:(Class)_class {
-    BrowserView *browser = [[[_class alloc] initWithBook:book_ database:database_] autorelease];
+    BrowserView *browser = [[[_class alloc] initWithBook:book_] autorelease];
     [browser loadURL:url];
     return browser;
 }
@@ -5953,12 +6921,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         [book_ resetViewAnimated:YES];
         return;
     } else if (tag_ == 2 && tag != 2)
-        [install_ resetView];
+        [sections_ resetView];
 
     switch (tag) {
         case 1: [self _setHomePage]; break;
 
-        case 2: [self setPage:install_]; break;
+        case 2: [self setPage:sections_]; break;
         case 3: [self setPage:changes_]; break;
         case 4: [self setPage:manage_]; break;
         case 5: [self setPage:search_]; break;
@@ -5994,9 +6962,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 - (void) finish {
     if (hud_ != nil) {
         [self setStatusBarShowsProgress:NO];
+        [self removeProgressHUD:hud_];
 
-        [hud_ show:NO];
-        [hud_ removeFromSuperview];
         [hud_ autorelease];
         hud_ = nil;
 
@@ -6014,6 +6981,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         return;
     }
 
+    _trace();
     overlay_ = [[UIView alloc] initWithFrame:[underlay_ bounds]];
 
     CGRect screenrect = [UIHardware fullScreenApplicationContentRect];
@@ -6106,10 +7074,15 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     CGSize keysize = [UIKeyboard defaultSize];
     CGRect keyrect = {{0, [overlay_ bounds].size.height}, keysize};
     keyboard_ = [[UIKeyboard alloc] initWithFrame:keyrect];
-    [[UIKeyboardImpl sharedInstance] setSoundsEnabled:(Sounds_Keyboard_ ? YES : NO)];
+    //[[UIKeyboardImpl sharedInstance] setSoundsEnabled:(Sounds_Keyboard_ ? YES : NO)];
     [overlay_ addSubview:keyboard_];
 
-    install_ = [[InstallView alloc] initWithBook:book_ database:database_];
+    if (!bootstrap_)
+        [underlay_ addSubview:overlay_];
+
+    [self reloadData];
+
+    sections_ = [[SectionsView alloc] initWithBook:book_ database:database_];
     changes_ = [[ChangesView alloc] initWithBook:book_ database:database_];
     search_ = [[SearchView alloc] initWithBook:book_ database:database_];
 
@@ -6118,10 +7091,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
         withClass:[ManageView class]
     ] retain];
 
-    if (!bootstrap_)
-        [underlay_ addSubview:overlay_];
-
-    [self reloadData];
+    PrintTimes();
 
     if (bootstrap_)
         [self bootstrap];
@@ -6130,13 +7100,47 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (void) alertSheet:(UIActionSheet *)sheet buttonClicked:(int)button {
-    NSString *context = [sheet context];
-    if ([context isEqualToString:@"fixhalf"])
+    NSString *context([sheet context]);
+
+    if ([context isEqualToString:@"missing"])
+        [sheet dismiss];
+    else if ([context isEqualToString:@"cancel"]) {
+        bool clear;
+
+        switch (button) {
+            case 1:
+                clear = false;
+            break;
+
+            case 2:
+                clear = true;
+            break;
+
+            default:
+                _assert(false);
+        }
+
+        [sheet dismiss];
+
+        @synchronized (self) {
+            if (clear)
+                [self _reloadData];
+            else {
+                Queuing_ = true;
+                [buttonbar_ setBadgeValue:@"Q'd" forButton:4];
+                [book_ reloadData];
+            }
+
+            if (confirm_ != nil) {
+                [confirm_ release];
+                confirm_ = nil;
+            }
+        }
+    } else 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];
+                    for (Package *broken in broken_) {
                         [broken remove];
 
                         NSString *id = [broken id];
@@ -6159,7 +7163,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             default:
                 _assert(false);
         }
-    else if ([context isEqualToString:@"role"]) {
+
+        [sheet dismiss];
+    } else if ([context isEqualToString:@"role"]) {
         switch (button) {
             case 1: Role_ = @"User"; break;
             case 2: Role_ = @"Hacker"; break;
@@ -6184,14 +7190,14 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             [self updateData];
         else
             [self finish];
-    } else if ([context isEqualToString:@"upgrade"])
+
+        [sheet dismiss];
+    } 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];
+                    for (Package *essential in essential_)
                         [essential install];
-                    }
 
                     [self resolve];
                     [self perform];
@@ -6199,6 +7205,10 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             break;
 
             case 2:
+                [self distUpgrade];
+            break;
+
+            case 3:
                 Ignored_ = YES;
             break;
 
@@ -6206,14 +7216,13 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 _assert(false);
         }
 
-    [sheet dismiss];
+        [sheet dismiss];
+    }
 }
 
-- (void) reorganize {
-    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+- (void) reorganize { _pooled
     system("/usr/libexec/cydia/free.sh");
     [self performSelectorOnMainThread:@selector(finish) withObject:nil waitUntilDone:NO];
-    [pool release];
 }
 
 - (void) applicationSuspend:(__GSEvent *)event {
@@ -6232,13 +7241,113 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 }
 
 - (UIProgressHUD *) addProgressHUD {
-    UIProgressHUD *hud = [[UIProgressHUD alloc] initWithWindow:window_];
+    UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
+    [window_ setUserInteractionEnabled:NO];
     [hud show:YES];
-    [underlay_ addSubview:hud];
+    [progress_ addSubview:hud];
     return hud;
 }
 
+- (void) removeProgressHUD:(UIProgressHUD *)hud {
+    [hud show:NO];
+    [hud removeFromSuperview];
+    [window_ setUserInteractionEnabled:YES];
+}
+
+- (void) openMailToURL:(NSURL *)url {
+// XXX: this makes me sad
+#if 0
+    [[[MailToView alloc] initWithView:underlay_ delegate:self url:url] autorelease];
+#else
+    [UIApp openURL:url];// asPanel:YES];
+#endif
+}
+
+- (void) clearFirstResponder {
+    if (id responder = [window_ firstResponder])
+        [responder resignFirstResponder];
+}
+
+- (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 {
+    if (tag != NULL)
+        tag = 0;
+
+    NSString *scheme([[url scheme] lowercaseString]);
+    if (![scheme isEqualToString:@"cydia"])
+        return nil;
+    NSString *path([url absoluteString]);
+    if ([path length] < 8)
+        return nil;
+    path = [path substringFromIndex:8];
+    if (![path hasPrefix:@"/"])
+        path = [@"/" stringByAppendingString:path];
+
+    if ([path isEqualToString:@"/add-source"])
+        return [[[AddSourceView alloc] initWithBook:book_ database:database_] autorelease];
+    else if ([path isEqualToString:@"/storage"])
+        return [self _pageForURL:[NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:@"storage" ofType:@"html"]] withClass:[BrowserView class]];
+    else if ([path isEqualToString:@"/sources"])
+        return [[[SourceTable alloc] initWithBook:book_ database:database_] autorelease];
+    else if ([path isEqualToString:@"/packages"])
+        return [[[InstalledView alloc] initWithBook:book_ database:database_] autorelease];
+    else if ([path hasPrefix:@"/url/"])
+        return [self _pageForURL:[NSURL URLWithString:[path substringFromIndex:5]] withClass:[BrowserView class]];
+    else if ([path hasPrefix:@"/launch/"])
+        [self launchApplicationWithIdentifier:[path substringFromIndex:8] suspended:NO];
+    else if ([path hasPrefix:@"/package-settings/"])
+        return [[[SettingsView alloc] initWithBook:book_ database:database_ package:[path substringFromIndex:18]] autorelease];
+    else if ([path hasPrefix:@"/package-signature/"])
+        return [[[SignatureView alloc] initWithBook:book_ database:database_ package:[path substringFromIndex:19]] autorelease];
+    else if ([path hasPrefix:@"/package/"])
+        return [self pageForPackage:[path substringFromIndex:9]];
+    else if ([path hasPrefix:@"/files/"]) {
+        NSString *name = [path substringFromIndex:7];
+
+        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 {
+    _trace();
     Font12_ = [[UIFont systemFontOfSize:12] retain];
     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
     Font14_ = [[UIFont systemFontOfSize:14] retain];
@@ -6248,20 +7357,21 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     _assert(pkgInitConfig(*_config));
     _assert(pkgInitSystem(*_config, _system));
 
-    confirm_ = nil;
     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];
+    [window_ setHidden:NO];
 
-    database_ = [[Database alloc] init];
+    database_ = [Database sharedInstance];
     progress_ = [[ProgressView alloc] initWithFrame:[window_ bounds] database:database_ delegate:self];
     [database_ setDelegate:progress_];
     [window_ setContentView:progress_];
@@ -6282,8 +7392,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     ) {
         [self setIdleTimerDisabled:YES];
 
-        hud_ = [self addProgressHUD];
-        [hud_ setText:@"Reorganizing\n\nWill Automatically\nRestart When Done"];
+        hud_ = [[self addProgressHUD] retain];
+        [hud_ setText:@"Reorganizing\n\nWill Automatically\nClose When Done"];
 
         [self setStatusBarShowsProgress:YES];
 
@@ -6331,17 +7441,14 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
 @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"];
 
     bool cydia(false);
 
-    for (size_t i(0); i != [items count]; ++i) {
-        NSMutableDictionary *item([items objectAtIndex:i]);
+    for (NSMutableDictionary *item in items) {
         NSString *label = [item objectForKey:@"label"];
         if (label != nil && [label isEqualToString:@"Cydia"]) {
             cydia = true;
@@ -6368,28 +7475,49 @@ 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
+    _trace();
+    class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
+
+    bool substrate(false);
+
+    if (argc != 0) {
+        char **args(argv);
+        int arge(1);
+
+        for (int argi(1); argi != argc; ++argi)
+            if (strcmp(argv[argi], "--") == 0) {
+                arge = argi;
+                argv[argi] = argv[0];
+                argv += argi;
+                argc -= argi;
+                break;
+            }
 
-    bootstrap_ = argc > 1 && strcmp(argv[1], "--bootstrap") == 0;
+        for (int argi(1); argi != arge; ++argi)
+            if (strcmp(args[argi], "--bootstrap") == 0)
+                bootstrap_ = true;
+            else if (strcmp(args[argi], "--substrate") == 0)
+                substrate = true;
+            else
+                fprintf(stderr, "unknown argument: %s\n", args[argi]);
+    }
 
     App_ = [[NSBundle mainBundle] bundlePath];
     Home_ = NSHomeDirectory();
@@ -6405,10 +7533,12 @@ int main(int argc, char *argv[]) {
     setuid(0);
     setgid(0);
 
+#if 1 /* XXX: this costs 1.4s of startup performance */
     if (unlink("/var/cache/apt/pkgcache.bin") == -1)
         _assert(errno == ENOENT);
     if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
         _assert(errno == ENOENT);
+#endif
 
     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
     alloc_ = alloc->method_imp;
@@ -6418,29 +7548,42 @@ 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 (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
+        perror("sysctlbyname(\"hw.machine\", ?)");
+    else
+        Machine_ = machine;
 
     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
 
+    if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
+        Build_ = [system objectForKey:@"ProductBuildVersion"];
+    if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
+        Product_ = [info objectForKey:@"SafariProductVersion"];
+        Safari_ = [info objectForKey:@"CFBundleVersion"];
+    }
+
     /*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)
+    _trace();
+    Metadata_ = [[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"];
+    _trace();
+
+    if (Metadata_ == NULL)
         Metadata_ = [[NSMutableDictionary alloc] initWithCapacity:2];
     else {
         Settings_ = [Metadata_ objectForKey:@"Settings"];
@@ -6468,13 +7611,20 @@ int main(int argc, char *argv[]) {
         [Metadata_ setObject:Sources_ forKey:@"Sources"];
     }
 
+#if RecycleWebViews
     Documents_ = [[[NSMutableArray alloc] initWithCapacity:4] autorelease];
+#endif
 
-    if (access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
-        dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);
+    if (substrate && access("/Applications/WinterBoard.app/WinterBoard.dylib", F_OK) == 0)
+        dlopen("/Applications/WinterBoard.app/WinterBoard.dylib", RTLD_LAZY | RTLD_GLOBAL);
+    /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
+        dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
 
-    if (access("/User", F_OK) != 0)
+    if (access("/User", F_OK) != 0) {
+        _trace();
         system("/usr/libexec/cydia/firmware.sh");
+        _trace();
+    }
 
     _assert([[NSFileManager defaultManager]
         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
@@ -6489,9 +7639,21 @@ int main(int argc, char *argv[]) {
     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
-    Red_.Set(space_, 1.0, 0.0, 0.0, 1.0);
     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
+    Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
+    Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
+    Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
+    /*Purple_.Set(space_, 1.0, 0.3, 0.0, 1.0);
+    Purplish_.Set(space_, 1.0, 0.6, 0.4, 1.0); ORANGE */
+    /*Purple_.Set(space_, 1.0, 0.5, 0.0, 1.0);
+    Purplish_.Set(space_, 1.0, 0.7, 0.2, 1.0); ORANGISH */
+    /*Purple_.Set(space_, 0.5, 0.0, 0.7, 1.0);
+    Purplish_.Set(space_, 0.7, 0.4, 0.8, 1.0); PURPLE */
+
+//.93
+    InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
+    RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
 
     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
 
@@ -6500,11 +7662,11 @@ int main(int argc, char *argv[]) {
     UIApplicationUseLegacyEvents(YES);
     UIKeyboardDisableAutomaticAppearance();
 
+    _trace();
     int value = UIApplicationMain(argc, argv, @"Cydia", @"Cydia");
 
     CGColorSpaceRelease(space_);
     CFRelease(Locale_);
 
-    [pool release];
     return value;
 }