Emoji support for iOS 5.1

Classes/ArtworkViewController.m

@@ -9,6 +9,7 @@
 #import "ArtworkViewController.h"
 #import "ArtworkDetailViewController.h"
 #import "AppDelegate.h"
+#import "EmojiImageView.h"
 #import "IPAArchive.h"
 
 #import "FindSymbol.h"
@@ -159,6 +160,33 @@ - (NSDictionary *) artwork
 		}
 		@catch (NSException *exception)
 		{
+			Class UIKeyboardEmojiCategoryController = NSClassFromString(@"UIKeyboardEmojiCategoryController");
+			Class UIKeyboardEmojiFactory = NSClassFromString(@"UIKeyboardEmojiFactory");
+			id emojiController = [[[UIKeyboardEmojiFactory alloc] init] autorelease];
+			id keyboardEmojiCategoryController = [[UIKeyboardEmojiCategoryController alloc] performSelector:@selector(initWithController:) withObject:emojiController];
+			NSArray *categories = [NSArray arrayWithObjects:@"People", @"Nature", @"Objects", @"Places", @"Symbols", nil];
+			for (NSString *category in categories)
+			{
+				NSMutableArray *categoryList = [NSMutableArray array];
+				NSString *categoryKey = [@"UIKeyboardEmojiCategory" stringByAppendingString:category];
+				id keyboardEmojiCategory = [keyboardEmojiCategoryController performSelector:@selector(categoryForKey:) withObject:categoryKey];
+				for (id emoji in [keyboardEmojiCategory valueForKey:@"emoji"])
+				{
+					NSMutableString *name = (NSMutableString *)CFStringCreateMutableCopy(kCFAllocatorDefault, 0, (CFStringRef)[emoji valueForKey:@"key"]);
+					CFStringTransform((CFMutableStringRef)name, NULL, kCFStringTransformToUnicodeName, false);
+					[name replaceOccurrencesOfString:@"\\N" withString:@"" options:0 range:NSMakeRange(0, [name length])];
+					[name replaceOccurrencesOfString:@"{" withString:@"" options:0 range:NSMakeRange(0, [name length])];
+					[name replaceOccurrencesOfString:@"}" withString:@"" options:0 range:NSMakeRange(0, [name length])];
+
+					UITableViewCell *cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:@"EmojiCell"] autorelease];
+					cell.textLabel.text = [[[(NSMutableString *)name autorelease] capitalizedString] stringByAppendingPathExtension:@"png"];
+					cell.textLabel.font = [UIFont systemFontOfSize:12];
+					cell.accessoryView = [[[EmojiImageView alloc] initWithFrame:CGRectMake(0, 0, 24, 24) emoji:emoji] autorelease];
+
+					[categoryList addObject:cell];
+				}
+				[self.bundles setObject:categoryList forKey:category];
+			}
 		}
 		keys = [emojiMap allKeys];
 	}
@@ -413,6 +441,8 @@ - (void) saveImage:(NSDictionary *)imageInfo
 	NSString *bundleName = [[imageInfo objectForKey:@"bundleName"] stringByReplacingOccurrencesOfString:@"." withString:@" "];
 	if (self.archive.appName && [[self sectionTitles] count] > 1)
 		bundleName = [self.archive.appName stringByAppendingPathComponent:bundleName];
+	else if ([self isEmoji])
+		bundleName = [@"Emoji" stringByAppendingPathComponent:bundleName];
 	NSString *imagePath = [[appDelegate saveDirectory:bundleName] stringByAppendingPathComponent:pathWithScale(imageName, [image scale])];
 	[UIImagePNGRepresentation(image) writeToFile:imagePath atomically:YES];
 	[self performSelectorOnMainThread:@selector(incrementSaveCounter) withObject:nil waitUntilDone:YES];
@@ -506,7 +536,7 @@ - (NSArray *) cellsInSection:(NSUInteger)section
 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView
 {
 	NSArray *sectionTitles = [self sectionTitles];
-	if (tableView == self.tableView && [sectionTitles count] > 1)
+	if (![self isEmoji] && tableView == self.tableView && [sectionTitles count] > 1)
 	{
 		NSMutableArray *sectionIndexTitles = [NSMutableArray array];
 		for (NSString *title in sectionTitles)

Classes/EmojiImageView.h

@@ -0,0 +1,15 @@
+//
+//  EmojiImageView.h
+//  UIKit Artwork Extractor
+//
+//  Created by Cédric Luthi on 09.03.12.
+//  Copyright (c) 2012 Cédric Luthi. All rights reserved.
+//
+
+@interface EmojiImageView : UIView
+
+- (id) initWithFrame:(CGRect)frame emoji:(id)emoji;
+
+- (UIImage *) image;
+
+@end

Classes/EmojiImageView.m

@@ -0,0 +1,54 @@
+//
+//  EmojiImageView.m
+//  UIKit Artwork Extractor
+//
+//  Created by Cédric Luthi on 09.03.12.
+//  Copyright (c) 2012 Cédric Luthi. All rights reserved.
+//
+
+#import "EmojiImageView.h"
+
+@interface EmojiImageView ()
+@property (nonatomic, retain) id emoji;
+@end
+
+@implementation EmojiImageView
+
+@synthesize emoji = _emoji;
+
+- (id) initWithFrame:(CGRect)frame emoji:(id)emoji
+{
+	if (!(self = [super initWithFrame:frame]))
+		return nil;
+
+	self.backgroundColor = [UIColor clearColor];
+	self.emoji = emoji;
+
+	return self;
+}
+
+- (void) dealloc
+{
+	self.emoji = nil;
+	[super dealloc];
+}
+
+- (void) drawRect:(CGRect)rect
+{
+	UIFont *emojiFont = [UIFont fontWithName:@"AppleColorEmoji" size:CGRectGetHeight(self.frame)];
+	NSString *emojiString = [self.emoji valueForKey:@"emojiString"];
+	[emojiString drawAtPoint:CGPointZero withFont:emojiFont];
+}
+
+- (UIImage *) image
+{
+	UIGraphicsBeginImageContextWithOptions(self.frame.size, NO, 0.0f);
+	CGContextRef context = UIGraphicsGetCurrentContext();
+	[self.layer renderInContext:context];
+	UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
+	UIGraphicsEndImageContext();
+
+	return image;
+}
+
+@end

UIKit Artwork Extractor.xcodeproj/project.pbxproj

@@ -58,6 +58,7 @@
 		DAF387921211AF30003DF2B8 /* UITintedGlassButtonMask@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = DAF3878E1211AF30003DF2B8 /* UITintedGlassButtonMask@2x.png */; };
 		DAF387931211AF30003DF2B8 /* UITintedGlassButtonShadow@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = DAF3878F1211AF30003DF2B8 /* UITintedGlassButtonShadow@2x.png */; };
 		DAFA3ECD14ADF53B00C532E9 /* ArtworkViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = DAFA3ECC14ADF53B00C532E9 /* ArtworkViewController.xib */; };
+		DAFFB59C150A5CF400A4B6DC /* EmojiImageView.m in Sources */ = {isa = PBXBuildFile; fileRef = DAFFB59B150A5CF400A4B6DC /* EmojiImageView.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -141,6 +142,8 @@
 		DAF3878E1211AF30003DF2B8 /* UITintedGlassButtonMask@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "UITintedGlassButtonMask@2x.png"; sourceTree = "<group>"; };
 		DAF3878F1211AF30003DF2B8 /* UITintedGlassButtonShadow@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "UITintedGlassButtonShadow@2x.png"; sourceTree = "<group>"; };
 		DAFA3ECC14ADF53B00C532E9 /* ArtworkViewController.xib */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.xib; name = ArtworkViewController.xib; path = ../ArtworkViewController.xib; sourceTree = "<group>"; };
+		DAFFB59A150A5CF400A4B6DC /* EmojiImageView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = EmojiImageView.h; sourceTree = "<group>"; };
+		DAFFB59B150A5CF400A4B6DC /* EmojiImageView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = EmojiImageView.m; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -170,6 +173,8 @@
 				DA3C70F81141405200A99F39 /* ArtworkDetailViewController.h */,
 				DA3C70F91141405200A99F39 /* ArtworkDetailViewController.m */,
 				DAC7969F11FD71E100A33F28 /* ArtworkDetailViewController.xib */,
+				DAFFB59A150A5CF400A4B6DC /* EmojiImageView.h */,
+				DAFFB59B150A5CF400A4B6DC /* EmojiImageView.m */,
 				DA9AD664138FC4BD00BDC968 /* FindSymbol.h */,
 				DA9AD658138FC3B200BDC968 /* FindSymbol.c */,
 				DA8BF5B7112EAC4E0044106B /* GlossyButtonViewController.h */,
@@ -424,6 +429,7 @@
 				DAB5337014B3C39D00EDDE37 /* ZKLFHeader.m in Sources */,
 				DAB5337114B3C39D00EDDE37 /* ZKLog.m in Sources */,
 				DAD7253F14BB9A80001ED756 /* NSString+IPAArchive.m in Sources */,
+				DAFFB59C150A5CF400A4B6DC /* EmojiImageView.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

UIKit_Artwork_Extractor_Prefix.pch

@@ -4,6 +4,7 @@
 
 #ifdef __OBJC__
 	#import <Foundation/Foundation.h>
+	#import <QuartzCore/QuartzCore.h>
 	#import <UIKit/UIKit.h>
 
 #if __IPHONE_OS_VERSION_MAX_ALLOWED < 40000