]> git.saurik.com Git - winterboard.git/blobdiff - Library.mm
Witness the wonder of UIStringDrawingSuperCrufty.
[winterboard.git] / Library.mm
index b40f67e97e9a60683657e43b648f24bd49bbcc80..b3eb56c42ea30c2e0d1092bc90daa4dce8ff45cd 100644 (file)
@@ -1,39 +1,23 @@
 /* WinterBoard - Theme Manager for the iPhone
- * Copyright (C) 2008-2011  Jay Freeman (saurik)
+ * Copyright (C) 2008-2014  Jay Freeman (saurik)
 */
 
+/* GNU Lesser General Public License, Version 3 {{{ */
 /*
- *        Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * WinterBoard is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
  *
- * 1. Redistributions of source code must retain the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer in the documentation
- *    and/or other materials provided with the
- *    distribution.
- * 3. The name of the author may not be used to endorse
- *    or promote products derived from this software
- *    without specific prior written permission.
+ * WinterBoard is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+ * License for more details.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with WinterBoard.  If not, see <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
 
 #include <sys/time.h>
 
@@ -105,8 +89,6 @@ bool _itv;
 
 #include "WBMarkup.h"
 
-extern "C" void __clear_cache (char *beg, char *end);
-
 static void (*$objc_setAssociatedObject)(id object, void *key, id value, objc_AssociationPolicy policy);
 static id (*$objc_getAssociatedObject)(id object, void *key);
 static void (*$objc_removeAssociatedObjects)(id object);
@@ -123,7 +105,6 @@ MSClassHook(NSString)
 
 MSClassHook(UIImage)
 MSMetaClassHook(UIImage)
-MSClassHook(UIImageTableArtwork)
 MSClassHook(UINavigationBar)
 MSClassHook(UISharedArtwork)
 MSClassHook(UIToolbar)
@@ -228,12 +209,13 @@ static bool SpringBoard_;
 
 static UIImage *(*_UIApplicationImageWithName)(NSString *name);
 static UIImage *(*_UIImageWithNameInDomain)(NSString *name, NSString *domain);
+static UIImage *(*_UIImageWithNameUsingCurrentIdiom)(NSString *name);
+static UIImage *(*_UIImageWithDeviceSpecificName)(NSString *name);
 static NSBundle *(*_UIKitBundle)();
 static bool (*_UIPackedImageTableGetIdentifierForName)(NSString *, int *);
 static int (*_UISharedImageNameGetIdentifier)(NSString *);
 
-static NSMutableDictionary *UIImages_ = [[NSMutableDictionary alloc] initWithCapacity:32];
-static NSMutableDictionary *PathImages_ = [[NSMutableDictionary alloc] initWithCapacity:16];
+static NSMutableDictionary *Images_ = [[NSMutableDictionary alloc] initWithCapacity:64];
 static NSMutableDictionary *Cache_ = [[NSMutableDictionary alloc] initWithCapacity:64];
 static NSMutableDictionary *Strings_ = [[NSMutableDictionary alloc] initWithCapacity:0];
 static NSMutableDictionary *Bundles_ = [[NSMutableDictionary alloc] initWithCapacity:2];
@@ -333,7 +315,7 @@ static NSString *$getTheme$(NSArray *files, NSArray *themes = Themes_) {
         for (NSString *file in files) {
             path = [NSString stringWithFormat:@"%@/%@", theme, file];
             if ([Manager_ fileExistsAtPath:path]) {
-                if ([[Manager_ pathContentOfSymbolicLinkAtPath:path] isEqualToString:@"/"])
+                if ([[Manager_ destinationOfSymbolicLinkAtPath:path error:NULL] isEqualToString:@"/"])
                     path = nil;
                 goto set;
             }
@@ -622,7 +604,7 @@ MSHook(UIImage *, SBApplicationIcon$generateIconImage$, SBApplicationIcon *self,
                     return [UIImage imageWithContentsOfFile:path72];
             if (NSString *path = $pathForIcon$([self application]))
                 if (UIImage *image = [UIImage imageWithContentsOfFile:path]) {
-                    float width;
+                    CGFloat width;
                     if ([$SBIcon respondsToSelector:@selector(defaultIconImageSize)])
                         width = [$SBIcon defaultIconImageSize].width;
                     else
@@ -657,13 +639,13 @@ MSHook(NSString *, SBApplication$pathForIcon, SBApplication *self, SEL sel) {
 
 static UIImage *CachedImageAtPath(NSString *path) {
     path = [path stringByResolvingSymlinksInPath];
-    UIImage *image = [PathImages_ objectForKey:path];
+    UIImage *image = [Images_ objectForKey:path];
     if (image != nil)
         return reinterpret_cast<id>(image) == [NSNull null] ? nil : image;
     image = [[UIImage alloc] initWithContentsOfFile:path cache:true];
     if (image != nil)
         image = [image autorelease];
-    [PathImages_ setObject:(image == nil ? [NSNull null] : reinterpret_cast<id>(image)) forKey:path];
+    [Images_ setObject:(image == nil ? [NSNull null] : reinterpret_cast<id>(image)) forKey:path];
     return image;
 }
 
@@ -707,13 +689,13 @@ MSInstanceMessageHook2(NSString *, NSBundle, pathForResource,ofType, NSString *,
 
 static void $drawLabel$(NSString *label, CGRect rect, NSString *style, NSString *custom) {
     bool ellipsis(false);
-    float max = rect.size.width - 11, width;
+    CGFloat max = rect.size.width - 11, width;
   width:
     width = [(ellipsis ? [label stringByAppendingString:@"..."] : label) sizeWithStyle:style forWidth:320].width;
 
     if (width > max) {
         size_t length([label length]);
-        float spacing((width - max) / (length - 1));
+        CGFloat spacing((width - max) / (length - 1));
 
         if (spacing > 1.25) {
             ellipsis = true;
@@ -787,21 +769,23 @@ static NSString *WBColorMarkup() {
     return [NSString stringWithFormat:@"color: rgba(%g, %g, %g, %g)", r * 255, g * 255, b * 255, a];
 }
 
-MSInstanceMessageHook6(CGSize, NSString, drawAtPoint,forWidth,withFont,lineBreakMode,letterSpacing,includeEmoji, CGPoint, point, float, width, UIFont *, font, UILineBreakMode, mode, float, spacing, BOOL, emoji) {
-    //NSLog(@"XXX: @\"%@\" %g", self, spacing);
+extern "C" NSString *NSStringFromCGPoint(CGPoint rect);
+
+MSInstanceMessageHook5(CGSize, NSString, drawAtPoint,forWidth,withFont,lineBreakMode,letterSpacing, CGPoint, point, CGFloat, width, UIFont *, font, UILineBreakMode, mode, CGFloat, spacing) {
+    //NSLog(@"XXX: @\"%@\" %@ %g \"%@\" %u %g", self, NSStringFromCGPoint(point), width, font, mode, spacing);
 
     WBStringDrawingState *state(stringDrawingState_);
     if (state == NULL)
-        return MSOldCall(point, width, font, mode, spacing, emoji);
+        return MSOldCall(point, width, font, mode, spacing);
 
-    if (--state->count_ == 0)
+    if (state->count_ != 0 && --state->count_ == 0)
         stringDrawingState_ = state->next_;
     if (state->info_ == nil)
-        return MSOldCall(point, width, font, mode, spacing, emoji);
+        return MSOldCall(point, width, font, mode, spacing);
 
     NSString *info([Info_ objectForKey:state->info_]);
     if (info == nil)
-        return MSOldCall(point, width, font, mode, spacing, emoji);
+        return MSOldCall(point, width, font, mode, spacing);
 
     NSString *base(state->base_ ?: @"");
     NSString *extra([NSString stringWithFormat:@"letter-spacing: %gpx", spacing]);
@@ -812,13 +796,13 @@ MSInstanceMessageHook6(CGSize, NSString, drawAtPoint,forWidth,withFont,lineBreak
 extern "C" NSString *NSStringFromCGRect(CGRect rect);
 
 MSInstanceMessageHook7(CGSize, NSString, _drawInRect,withFont,lineBreakMode,alignment,lineSpacing,includeEmoji,truncationRect, CGRect, rect, UIFont *, font, UILineBreakMode, mode, UITextAlignment, alignment, float, spacing, BOOL, emoji, CGRect, truncation) {
-    //NSLog(@"XXX: &\"%@\" %@ \"%@\" %u %u %g %u %@", self, NSStringFromCGRect(rect), font, mode, alignment, spacing, emoji, NSStringFromCGRect(truncation));
+    //NSLog(@"XXX: @\"%@\" %@ \"%@\" %u %u %g %u %@", self, NSStringFromCGRect(rect), font, mode, alignment, spacing, emoji, NSStringFromCGRect(truncation));
 
     WBStringDrawingState *state(stringDrawingState_);
     if (state == NULL)
         return MSOldCall(rect, font, mode, alignment, spacing, emoji, truncation);
 
-    if (--state->count_ == 0)
+    if (state->count_ != 0 && --state->count_ == 0)
         stringDrawingState_ = state->next_;
     if (state->info_ == nil)
         return MSOldCall(rect, font, mode, alignment, spacing, emoji, truncation);
@@ -859,7 +843,7 @@ MSInstanceMessageHook4(CGSize, NSString, sizeWithFont,forWidth,lineBreakMode,let
     if (state == NULL)
         return MSOldCall(font, width, mode, spacing);
 
-    if (--state->count_ == 0)
+    if (state->count_ != 0 && --state->count_ == 0)
         stringDrawingState_ = state->next_;
     if (state->info_ == nil)
         return MSOldCall(font, width, mode, spacing);
@@ -880,7 +864,7 @@ MSInstanceMessageHook1(CGSize, NSString, sizeWithFont, UIFont *, font) {
     if (state == NULL)
         return MSOldCall(font);
 
-    if (--state->count_ == 0)
+    if (state->count_ != 0 && --state->count_ == 0)
         stringDrawingState_ = state->next_;
     if (state->info_ == nil)
         return MSOldCall(font);
@@ -897,7 +881,7 @@ MSClassMessageHook2(UIImage *, SBIconAccessoryImage, checkoutAccessoryImageForIc
     if ([self _imageClassForIcon:icon location:location] != $SBIconBadgeImage)
         return MSOldCall(icon, location);
 
-    WBStringDrawingState badgeState = {NULL, -1, @""
+    WBStringDrawingState badgeState = {NULL, 0, @""
     , @"BadgeStyle"};
 
     stringDrawingState_ = &badgeState;
@@ -909,7 +893,7 @@ MSClassMessageHook2(UIImage *, SBIconAccessoryImage, checkoutAccessoryImageForIc
 }
 
 MSInstanceMessageHook1(UIImage *, SBIconBadgeFactory, checkoutBadgeImageForText, NSString *, text) {
-    WBStringDrawingState badgeState = {NULL, -1, @""
+    WBStringDrawingState badgeState = {NULL, 0, @""
     , @"BadgeStyle"};
 
     stringDrawingState_ = &badgeState;
@@ -994,7 +978,7 @@ MSHook(void, SBCalendarIconContentsView$drawRect$, SBCalendarIconContentsView *s
     if (NSString *style = [Info_ objectForKey:@"CalendarIconDayStyle"])
         daystyle = [daystyle stringByAppendingString:style];
 
-    float width([self bounds].size.width);
+    CGFloat width([self bounds].size.width);
     float leeway(10);
     CGSize datesize = [(NSString *)date sizeWithStyle:datestyle forWidth:(width + leeway)];
     CGSize daysize = [(NSString *)day sizeWithStyle:daystyle forWidth:(width + leeway)];
@@ -1083,6 +1067,17 @@ static UIImage *$getImage$(NSString *path) {
     return image;
 }
 
+template <typename Original_, typename Modified_>
+_finline UIImage *WBCacheImage(const Original_ &original, const Modified_ &modified, NSString *key) {
+    UIImage *image([Images_ objectForKey:key]);
+    if (image != nil)
+        return reinterpret_cast<id>(image) == [NSNull null] ? original() : image;
+    if (NSString *path = modified())
+        image = $getImage$(path);
+    [Images_ setObject:(image == nil ? [NSNull null] : reinterpret_cast<id>(image)) forKey:key];
+    return image == nil ? original() : image;
+}
+
 static UIImage *$getDefaultDesktopImage$() {
     if (NSString *path = $getTheme$($useScale$([NSArray arrayWithObjects:@"LockBackground.png", @"LockBackground.jpg", nil])))
         return $getImage$(path);
@@ -1894,98 +1889,55 @@ MSInstanceMessageHook0(void, CKTranscriptController, loadView) {
 }
 // }}}
 
-MSInstanceMessage2(UISharedArtwork *, UISharedArtwork, initWithName,inBundle, NSString *, name, NSBundle *, bundle) {
-    if ((self = MSOldCall(name, bundle)) != nil) {
-        $objc_setAssociatedObject(self, @selector(wb$bundle), bundle, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
-    } return self;
-}
-
-MSInstanceMessage1(UIImage *, UIImageTableArtwork, imageNamed, NSString *, name) {
-    NSBundle *bundle($objc_getAssociatedObject(self, @selector(wb$bundle)));
-    if (Debug_)
-        NSLog(@"WB:Debug:[UIImageTableArtwork[%@] imageNamed:\"%@\"]", bundle, name);
-    if (bundle == nil)
-        return MSOldCall(name);
-    UIImage *image = [UIImages_ objectForKey:name];
-    if (image != nil)
-        return reinterpret_cast<id>(image) == [NSNull null] ? MSOldCall(name) : image;
-    if (NSString *path = $pathForFile$inBundle$(name, bundle, true, true))
-        image = $getImage$(path);
-    [UIImages_ setObject:(image == nil ? [NSNull null] : reinterpret_cast<id>(image)) forKey:name];
-    if (image != nil)
-        return image;
-
-    image = MSOldCall(name);
-
-    if (UIDebug_) {
+template <typename Original_>
+static UIImage *WBCacheUIImage(const Original_ &original, NSString *name, NSString *key) {
+    if ([name rangeOfString:@"."].location == NSNotFound)
+        name = [name stringByAppendingString:@".png"];
+    UIImage *image(WBCacheImage(original, [=](){ return $pathForFile$inBundle$(name, _UIKitBundle(), true, true); }, key));
+    if (image != nil && UIDebug_) {
         NSString *path([@"/tmp/UIImages/" stringByAppendingString:name]);
         if (![Manager_ fileExistsAtPath:path])
             [UIImagePNGRepresentation(image) writeToFile:path atomically:YES];
-    }
-
-    return image;
+    } return image;
 }
 
 // %hook _UIImageWithName() {{{
 MSHook(UIImage *, _UIImageWithName, NSString *name) {
-    if (Debug_)
-        NSLog(@"WB:Debug: _UIImageWithName(\"%@\")", name);
     if (name == nil)
         return nil;
-
-    int identifier;
-    bool packed;
-
-    if (_UIPackedImageTableGetIdentifierForName != NULL)
-        packed = _UIPackedImageTableGetIdentifierForName(name, &identifier);
-    else if (_UISharedImageNameGetIdentifier != NULL) {
-        identifier = _UISharedImageNameGetIdentifier(name);
-        packed = identifier != -1;
-    } else {
-        identifier = -1;
-        packed = false;
-    }
-
     if (Debug_)
-        NSLog(@"WB:Debug: _UISharedImageNameGetIdentifier(\"%@\") = %d", name, identifier);
-
-    if (!packed)
-        return __UIImageWithName(name);
-    else {
-        NSNumber *key([NSNumber numberWithInt:identifier]);
-        UIImage *image([UIImages_ objectForKey:key]);
-        if (image != nil)
-            return reinterpret_cast<id>(image) == [NSNull null] ? __UIImageWithName(name) : image;
-        if (NSString *path = $pathForFile$inBundle$(name, _UIKitBundle(), true, true))
-            image = $getImage$(path);
-        [UIImages_ setObject:(image == nil ? [NSNull null] : reinterpret_cast<id>(image)) forKey:key];
-        if (image != nil)
-            return image;
-
-        image = __UIImageWithName(name);
-
-        if (UIDebug_) {
-            NSString *path([@"/tmp/UIImages/" stringByAppendingString:name]);
-            if (![Manager_ fileExistsAtPath:path])
-                [UIImagePNGRepresentation(image) writeToFile:path atomically:YES];
-        }
-
-        return image;
-    }
+        NSLog(@"WB:Debug: _UIImageWithName(\"%@\")", name);
+    return WBCacheUIImage(
+        [=](){ return __UIImageWithName(name); },
+    name, [NSString stringWithFormat:@"I:%@", name]);
 }
 // }}}
 // %hook _UIImageWithNameInDomain() {{{
 MSHook(UIImage *, _UIImageWithNameInDomain, NSString *name, NSString *domain) {
-    NSString *key([NSString stringWithFormat:@"D:%zu%@%@", [domain length], domain, name]);
-    UIImage *image([PathImages_ objectForKey:key]);
-    if (image != nil)
-        return reinterpret_cast<id>(image) == [NSNull null] ? __UIImageWithNameInDomain(name, domain) : image;
     if (Debug_)
-        NSLog(@"WB:Debug: UIImageWithNameInDomain(\"%@\", \"%@\")", name, domain);
-    if (NSString *path = $getTheme$($useScale$([NSArray arrayWithObject:[NSString stringWithFormat:@"Domains/%@/%@", domain, name]])))
-        image = $getImage$(path);
-    [PathImages_ setObject:(image == nil ? [NSNull null] : reinterpret_cast<id>(image)) forKey:key];
-    return image == nil ? __UIImageWithNameInDomain(name, domain) : image;
+        NSLog(@"WB:Debug: _UIImageWithNameInDomain(\"%@\", \"%@\")", name, domain);
+    return WBCacheImage(
+        [=](){ return __UIImageWithNameInDomain(name, domain); },
+        [=](){ return $getTheme$($useScale$([NSArray arrayWithObject:[NSString stringWithFormat:@"Domains/%@/%@", domain, name]])); },
+    [NSString stringWithFormat:@"D:%zu:%@%@", size_t([domain length]), domain, name]);
+}
+// }}}
+// %hook _UIImageWithDeviceUsingCurrentIdiom() {{{
+MSHook(UIImage *, _UIImageWithNameUsingCurrentIdiom, NSString *name) {
+    if (Debug_)
+        NSLog(@"WB:Debug: _UIImageWithNameUsingCurrentIdiom(\"%@\")", name);
+    return WBCacheUIImage(
+        [=](){ return __UIImageWithNameUsingCurrentIdiom(name); },
+    name, [NSString stringWithFormat:@"I:%@", name]);
+}
+// }}}
+// %hook _UIImageWithDeviceSpecificName() {{{
+MSHook(UIImage *, _UIImageWithDeviceSpecificName, NSString *name) {
+    if (Debug_)
+        NSLog(@"WB:Debug: _UIImageWithDeviceSpecificName(\"%@\")", name);
+    return WBCacheUIImage(
+        [=](){ return __UIImageWithDeviceSpecificName(name); },
+    name, [NSString stringWithFormat:@"S:%@", name]);
 }
 // }}}
 
@@ -2002,11 +1954,10 @@ MSHook(GSFontRef, GSFontCreateWithName, const char *name, GSFontSymbolicTraits t
 // }}}
 
 #define AudioToolbox "/System/Library/Frameworks/AudioToolbox.framework/AudioToolbox"
-#define UIKit "/System/Library/Frameworks/UIKit.framework/UIKit"
 
 static bool GetFileNameForThisAction$(bool value, unsigned long a0, char *a1, unsigned long a2, bool &a3) {
     if (Debug_)
-        NSLog(@"WB:Debug:GetFileNameForThisAction(%u, %s, %u, %u) = %u", a0, value ? a1 : NULL, a2, a3, value);
+        NSLog(@"WB:Debug:GetFileNameForThisAction(%lu, %s, %lu, %u) = %u", a0, value ? a1 : NULL, a2, a3, value);
 
     if (value) {
         NSString *path = [NSString stringWithUTF8String:a1];
@@ -2101,14 +2052,8 @@ static void msset(Type_ &function, MSImageRef image, const char *name) {
     function = reinterpret_cast<Type_>(MSFindSymbol(image, name));
 }
 
-template <typename Type_>
-static void nlset(Type_ &function, struct nlist *nl, size_t index) {
-    struct nlist &name(nl[index]);
-    uintptr_t value(name.n_value);
-    if ((name.n_desc & N_ARM_THUMB_DEF) != 0)
-        value |= 0x00000001;
-    function = reinterpret_cast<Type_>(value);
-}
+#define WBHookSymbol(image, function) \
+    msset(function, image, "_" #function)
 
 template <typename Type_>
 static void dlset(Type_ &function, const char *name) {
@@ -2162,7 +2107,7 @@ static void NSString$drawInRect$withStyle$(NSString *self, SEL _cmd, CGRect rect
     return [[WBMarkup sharedMarkup] drawString:self inRect:rect withStyle:style];
 }
 
-static CGSize NSString$sizeWithStyle$forWidth$(NSString *self, SEL _cmd, NSString *style, float width) {
+static CGSize NSString$sizeWithStyle$forWidth$(NSString *self, SEL _cmd, NSString *style, CGFloat width) {
     if (style == nil || [style length] == 0)
         style = @"font-family: Helvetica; font-size: 12px";
     CGSize size([[WBMarkup sharedMarkup] sizeOfString:self withStyle:style forWidth:width]);
@@ -2209,9 +2154,11 @@ static void SBInitialize() {
     WBRename(SBIconModel, getCachedImagedForIcon:, getCachedImagedForIcon$);
     WBRename(SBIconModel, getCachedImagedForIcon:smallIcon:, getCachedImagedForIcon$smallIcon$);
 
-    WBRename(SBSearchView, initWithFrame:, initWithFrame$);
-    WBRename(SBSearchTableViewCell, drawRect:, drawRect$);
-    WBRename(SBSearchTableViewCell, initWithStyle:reuseIdentifier:, initWithStyle$reuseIdentifier$);
+    if (kCFCoreFoundationVersionNumber < 800) {
+        WBRename(SBSearchView, initWithFrame:, initWithFrame$);
+        WBRename(SBSearchTableViewCell, drawRect:, drawRect$);
+        WBRename(SBSearchTableViewCell, initWithStyle:reuseIdentifier:, initWithStyle$reuseIdentifier$);
+    }
 
     //WBRename(SBImageCache, initWithName:forImageWidth:imageHeight:initialCapacity:, initWithName$forImageWidth$imageHeight$initialCapacity$);
 
@@ -2296,10 +2243,8 @@ MSInitialize {
                 if (name == nil)
                     continue;
 
-                NSString *theme(nil);
-
                 #define testForTheme(format...) \
-                    if (theme == nil) { \
+                    { \
                         NSString *path = [NSString stringWithFormat:format]; \
                         if ([Manager_ fileExistsAtPath:path]) { \
                             [Themes_ addObject:path]; \
@@ -2359,9 +2304,13 @@ MSInitialize {
     if (imageio == NULL)
         imageio = MSGetImageByName("/System/Library/PrivateFrameworks/ImageIO.framework/ImageIO");
     if (MSImageRef image = imageio) {
-        void *(*CGImageReadCreateWithFile)(NSString *, int);
-        msset(CGImageReadCreateWithFile, image, "_CGImageReadCreateWithFile");
-        MSHookFunction(CGImageReadCreateWithFile, MSHake(CGImageReadCreateWithFile));
+        void *(*CGImageReadCreateWithFile)(NSString *, int) = NULL;
+        if (kCFCoreFoundationVersionNumber > 700) // XXX: iOS 6.x
+            CGImageReadCreateWithFile = NULL;
+        else {
+            msset(CGImageReadCreateWithFile, image, "_CGImageReadCreateWithFile");
+            MSHookFunction(CGImageReadCreateWithFile, MSHake(CGImageReadCreateWithFile));
+        }
 
         if (CGImageReadCreateWithFile == NULL) {
             void *(*CGImageSourceCreateWithFile)(NSString *, NSDictionary *);
@@ -2382,7 +2331,7 @@ MSInitialize {
 
         CFNotificationCenterAddObserver(
             CFNotificationCenterGetDarwinNotifyCenter(),
-            NULL, &ChangeWallpaper, (CFStringRef) @"com.saurik.winterboard.lockbackground", NULL, 0
+            NULL, &ChangeWallpaper, (CFStringRef) @"com.saurik.winterboard.lockbackground", NULL, CFNotificationSuspensionBehaviorCoalesce
         );
 
         if ($getTheme$([NSArray arrayWithObject:@"Wallpaper.mp4"]) != nil) {
@@ -2398,34 +2347,34 @@ MSInitialize {
     }
     // }}}
     // UIKit {{{
-    if ([NSBundle bundleWithIdentifier:@"com.apple.UIKit"] != nil) {
+    if (MSImageRef image = MSGetImageByName("/System/Library/Frameworks/UIKit.framework/UIKit")) {
+#ifdef __LP64__
+        class_addMethod($NSString, @selector(drawAtPoint:withStyle:), (IMP) &NSString$drawAtPoint$withStyle$, "v40@0:8{CGPoint=dd}16@32");
+        class_addMethod($NSString, @selector(drawInRect:withStyle:), (IMP) &NSString$drawInRect$withStyle$, "v56@0:8{CGRect={CGSize=dd}{CGSize=dd}}16@48");
+        class_addMethod($NSString, @selector(sizeWithStyle:forWidth:), (IMP) &NSString$sizeWithStyle$forWidth$, "{CGSize=dd}32@0:8@16d24");
+#else
         class_addMethod($NSString, @selector(drawAtPoint:withStyle:), (IMP) &NSString$drawAtPoint$withStyle$, "v20@0:4{CGPoint=ff}8@16");
         class_addMethod($NSString, @selector(drawInRect:withStyle:), (IMP) &NSString$drawInRect$withStyle$, "v28@0:4{CGRect={CGSize=ff}{CGSize=ff}}8@24");
         class_addMethod($NSString, @selector(sizeWithStyle:forWidth:), (IMP) &NSString$sizeWithStyle$forWidth$, "{CGSize=ff}16@0:4@8f12");
+#endif
 
-        if (kCFCoreFoundationVersionNumber > 700) { // XXX: iOS 6.x
-            WBRename(UISharedArtwork, initWithName:inBundle:, initWithName$inBundle$);
-            WBRename(UIImageTableArtwork, imageNamed:, imageNamed$);
-        } else {
-            struct nlist nl[6];
-            memset(nl, 0, sizeof(nl));
-            nl[0].n_un.n_name = (char *) "__UIApplicationImageWithName";
-            nl[1].n_un.n_name = (char *) "__UIImageWithNameInDomain";
-            nl[2].n_un.n_name = (char *) "__UIKitBundle";
-            nl[3].n_un.n_name = (char *) "__UIPackedImageTableGetIdentifierForName";
-            nl[4].n_un.n_name = (char *) "__UISharedImageNameGetIdentifier";
-            nlist(UIKit, nl);
-
-            nlset(_UIApplicationImageWithName, nl, 0);
-            nlset(_UIImageWithNameInDomain, nl, 1);
-            nlset(_UIKitBundle, nl, 2);
-            nlset(_UIPackedImageTableGetIdentifierForName, nl, 3);
-            nlset(_UISharedImageNameGetIdentifier, nl, 4);
-
-            MSHookFunction(_UIApplicationImageWithName, &$_UIApplicationImageWithName, &__UIApplicationImageWithName);
-            MSHookFunction(_UIImageWithName, &$_UIImageWithName, &__UIImageWithName);
-            MSHookFunction(_UIImageWithNameInDomain, &$_UIImageWithNameInDomain, &__UIImageWithNameInDomain);
-        }
+        WBHookSymbol(image, _UIKitBundle);
+        WBHookSymbol(image, _UIPackedImageTableGetIdentifierForName);
+        WBHookSymbol(image, _UISharedImageNameGetIdentifier);
+
+        MSHookFunction(_UIImageWithName, MSHake(_UIImageWithName));
+
+        WBHookSymbol(image, _UIApplicationImageWithName);
+        MSHookFunction(_UIApplicationImageWithName, MSHake(_UIApplicationImageWithName));
+
+        WBHookSymbol(image, _UIImageWithNameInDomain);
+        MSHookFunction(_UIImageWithNameInDomain, MSHake(_UIImageWithNameInDomain));
+
+        WBHookSymbol(image, _UIImageWithNameUsingCurrentIdiom);
+        MSHookFunction(_UIImageWithNameUsingCurrentIdiom, MSHake(_UIImageWithNameUsingCurrentIdiom));
+
+        WBHookSymbol(image, _UIImageWithDeviceSpecificName);
+        MSHookFunction(_UIImageWithDeviceSpecificName, MSHake(_UIImageWithDeviceSpecificName));
     }
     // }}}