Application.mm

   1 /* WinterBoard - Theme Manager for the iPhone
   2  * Copyright (C) 2008-2014  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Lesser General Public License, Version 3 {{{ */
   6 /*
   7  * WinterBoard is free software: you can redistribute it and/or modify it under
   8  * the terms of the GNU Lesser General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * WinterBoard is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15  * License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with WinterBoard.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #import <Foundation/Foundation.h>
  23 #import <CoreGraphics/CGGeometry.h>
  24 #import <UIKit/UIKit.h>
  25
  26 #include <objc/objc-runtime.h>
  27
  28 #import <Preferences/PSRootController.h>
  29 #import <Preferences/PSViewController.h>
  30 #import <Preferences/PSListController.h>
  31 #import <Preferences/PSSpecifier.h>
  32
  33 #include <substrate.h>
  34 #include <mach-o/dyld.h>
  35
  36 static NSBundle *wbSettingsBundle;
  37 static Class $WBSettingsController;
  38
  39 @interface UIApplication (Private)
  40 - (void) terminateWithSuccess;
  41 @end
  42
  43 @interface UIDevice (Private)
  44 - (BOOL) isWildcat;
  45 @end
  46
  47 @interface PSRootController (Compatibility)
  48 - (id) _popController; // < 3.2
  49 - (id) contentView; // < 3.2
  50 - (id) lastController; // < 3.2
  51 - (id) topViewController; // >= 3.2
  52 @end
  53
  54 @interface PSListController (Compatibility)
  55 - (void) viewWillBecomeVisible:(void *)specifier; // < 3.2
  56 - (void) viewWillAppear:(BOOL)a; // >= 3.2
  57 - (void) setSpecifier:(PSSpecifier *)spec; // >= 3.2
  58 @end
  59
  60 @interface WBRootController : PSRootController {
  61     PSListController *_rootListController;
  62 }
  63
  64 @property (readonly) PSListController *rootListController;
  65
  66 - (void) setupRootListForSize:(CGSize)size;
  67 - (id) topViewController;
  68 @end
  69
  70 @implementation WBRootController
  71
  72 @synthesize rootListController = _rootListController;
  73
  74 // < 3.2
  75 - (void) setupRootListForSize:(CGSize)size {
  76     PSSpecifier *spec([[PSSpecifier alloc] init]);
  77     [spec setTarget:self];
  78     spec.name = @"WinterBoard";
  79
  80     _rootListController = [[$WBSettingsController alloc] initForContentSize:size];
  81     _rootListController.rootController = self;
  82     _rootListController.parentController = self;
  83     [_rootListController viewWillBecomeVisible:spec];
  84
  85     [spec release];
  86
  87     [self pushController:_rootListController];
  88 }
  89
  90 // >= 3.2
  91 - (void) loadView {
  92     [super loadView];
  93     [self pushViewController:[self rootListController] animated:NO];
  94 }
  95
  96 - (PSListController *) rootListController {
  97     if(!_rootListController) {
  98         PSSpecifier *spec([[PSSpecifier alloc] init]);
  99         [spec setTarget:self];
 100         spec.name = @"WinterBoard";
 101         _rootListController = [[$WBSettingsController alloc] initForContentSize:CGSizeZero];
 102         _rootListController.rootController = self;
 103         _rootListController.parentController = self;
 104         [_rootListController setSpecifier:spec];
 105         [spec release];
 106     }
 107     return _rootListController;
 108 }
 109
 110 - (id) contentView {
 111     if ([[PSRootController class] instancesRespondToSelector:@selector(contentView)]) {
 112         return [super contentView];
 113     } else {
 114         return [super view];
 115     }
 116 }
 117
 118 - (id) topViewController {
 119     if ([[PSRootController class] instancesRespondToSelector:@selector(topViewController)]) {
 120         return [super topViewController];
 121     } else {
 122         return [super lastController];
 123     }
 124 }
 125
 126 - (void) _popController {
 127     // Pop the last controller = exit the application.
 128     // The only time the last controller should pop is when the user taps Respring/Cancel.
 129     // Which only gets displayed if the user has made changes.
 130     if ([self topViewController] == _rootListController)
 131         [[UIApplication sharedApplication] terminateWithSuccess];
 132     [super _popController];
 133 }
 134
 135 @end
 136
 137 @interface WBApplication : UIApplication {
 138     WBRootController *_rootController;
 139 }
 140
 141 @end
 142
 143 @implementation WBApplication
 144
 145 - (void) dealloc {
 146     [_rootController release];
 147     [super dealloc];
 148 }
 149
 150 - (void) applicationWillTerminate:(UIApplication *)application {
 151     [_rootController.rootListController suspend];
 152 }
 153
 154 - (void) applicationDidFinishLaunching:(id)unused {
 155     wbSettingsBundle = [NSBundle bundleWithPath:@"/System/Library/PreferenceBundles/WinterBoardSettings.bundle"];
 156     [wbSettingsBundle load];
 157     $WBSettingsController = [wbSettingsBundle principalClass];
 158
 159     CGRect applicationFrame(([UIDevice instancesRespondToSelector:@selector(isWildcat)]
 160                          && [[UIDevice currentDevice] isWildcat]) || objc_getClass("UIStatusBar") != nil
 161                           ? [UIScreen mainScreen].bounds
 162                           : [UIScreen mainScreen].applicationFrame);
 163     UIWindow *window([[UIWindow alloc] initWithFrame:applicationFrame]);
 164     _rootController = [[WBRootController alloc] initWithTitle:@"WinterBoard" identifier:[[NSBundle mainBundle] bundleIdentifier]];
 165     [window addSubview:[_rootController contentView]];
 166     [window makeKeyAndVisible];
 167 }
 168
 169 @end
 170
 171 MSHook(int32_t, NSVersionOfLinkTimeLibrary, const char *name) {
 172     if (strcmp(name, "UIKit") == 0)
 173         return 0x6400000;
 174     return _NSVersionOfLinkTimeLibrary(name);
 175 }
 176
 177 int main(int argc, char *argv[]) {
 178     NSAutoreleasePool *pool( [[NSAutoreleasePool alloc] init]);
 179
 180     MSHookFunction(NSVersionOfLinkTimeLibrary, MSHake(NSVersionOfLinkTimeLibrary));
 181
 182     int value = UIApplicationMain(argc, argv, @"WBApplication", @"WBApplication");
 183
 184     [pool release];
 185     return value;
 186 }