Application.mm

   1 /* WinterBoard - Theme Manager for the iPhone
   2  * Copyright (C) 2008-2009  Jay Freeman (saurik)
   3 */
   4
   5 /*
   6  *        Redistribution and use in source and binary
   7  * forms, with or without modification, are permitted
   8  * provided that the following conditions are met:
   9  *
  10  * 1. Redistributions of source code must retain the
  11  *    above copyright notice, this list of conditions
  12  *    and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the
  14  *    above copyright notice, this list of conditions
  15  *    and the following disclaimer in the documentation
  16  *    and/or other materials provided with the
  17  *    distribution.
  18  * 3. The name of the author may not be used to endorse
  19  *    or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  24  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  29  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  32  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  33  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  34  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  35  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36 */
  37
  38 #import <Foundation/Foundation.h>
  39 #import <CoreGraphics/CGGeometry.h>
  40 #import <UIKit/UIKit.h>
  41
  42 #include <objc/objc-runtime.h>
  43
  44 #import <Preferences/PSRootController.h>
  45 #import <Preferences/PSViewController.h>
  46 #import <Preferences/PSListController.h>
  47 #import <Preferences/PSSpecifier.h>
  48
  49 #include <substrate.h>
  50 #include <mach-o/dyld.h>
  51
  52 static NSBundle *wbSettingsBundle;
  53 static Class $WBSettingsController;
  54
  55 @interface UIApplication (Private)
  56 - (void) terminateWithSuccess;
  57 @end
  58
  59 @interface UIDevice (Private)
  60 - (BOOL) isWildcat;
  61 @end
  62
  63 @interface PSRootController (Compatibility)
  64 - (id) _popController; // < 3.2
  65 - (id) contentView; // < 3.2
  66 - (id) lastController; // < 3.2
  67 - (id) topViewController; // >= 3.2
  68 @end
  69
  70 @interface PSListController (Compatibility)
  71 - (void) viewWillBecomeVisible:(void *)specifier; // < 3.2
  72 - (void) viewWillAppear:(BOOL)a; // >= 3.2
  73 - (void) setSpecifier:(PSSpecifier *)spec; // >= 3.2
  74 @end
  75
  76 @interface WBRootController : PSRootController {
  77     PSListController *_rootListController;
  78 }
  79
  80 @property (readonly) PSListController *rootListController;
  81
  82 - (void) setupRootListForSize:(CGSize)size;
  83 - (id) topViewController;
  84 @end
  85
  86 @implementation WBRootController
  87
  88 @synthesize rootListController = _rootListController;
  89
  90 // < 3.2
  91 - (void) setupRootListForSize:(CGSize)size {
  92     PSSpecifier *spec([[PSSpecifier alloc] init]);
  93     [spec setTarget:self];
  94     spec.name = @"WinterBoard";
  95
  96     _rootListController = [[$WBSettingsController alloc] initForContentSize:size];
  97     _rootListController.rootController = self;
  98     _rootListController.parentController = self;
  99     [_rootListController viewWillBecomeVisible:spec];
 100
 101     [spec release];
 102
 103     [self pushController:_rootListController];
 104 }
 105
 106 // >= 3.2
 107 - (void) loadView {
 108     [super loadView];
 109     [self pushViewController:[self rootListController] animated:NO];
 110 }
 111
 112 - (PSListController *) rootListController {
 113     if(!_rootListController) {
 114         PSSpecifier *spec([[PSSpecifier alloc] init]);
 115         [spec setTarget:self];
 116         spec.name = @"WinterBoard";
 117         _rootListController = [[$WBSettingsController alloc] initForContentSize:CGSizeZero];
 118         _rootListController.rootController = self;
 119         _rootListController.parentController = self;
 120         [_rootListController setSpecifier:spec];
 121         [spec release];
 122     }
 123     return _rootListController;
 124 }
 125
 126 - (id) contentView {
 127     if ([[PSRootController class] instancesRespondToSelector:@selector(contentView)]) {
 128         return [super contentView];
 129     } else {
 130         return [super view];
 131     }
 132 }
 133
 134 - (id) topViewController {
 135     if ([[PSRootController class] instancesRespondToSelector:@selector(topViewController)]) {
 136         return [super topViewController];
 137     } else {
 138         return [super lastController];
 139     }
 140 }
 141
 142 - (void) _popController {
 143     // Pop the last controller = exit the application.
 144     // The only time the last controller should pop is when the user taps Respring/Cancel.
 145     // Which only gets displayed if the user has made changes.
 146     if ([self topViewController] == _rootListController)
 147         [[UIApplication sharedApplication] terminateWithSuccess];
 148     [super _popController];
 149 }
 150
 151 @end
 152
 153 @interface WBApplication : UIApplication {
 154     WBRootController *_rootController;
 155 }
 156
 157 @end
 158
 159 @implementation WBApplication
 160
 161 - (void) dealloc {
 162     [_rootController release];
 163     [super dealloc];
 164 }
 165
 166 - (void) applicationWillTerminate:(UIApplication *)application {
 167     [_rootController.rootListController suspend];
 168 }
 169
 170 - (void) applicationDidFinishLaunching:(id)unused {
 171     wbSettingsBundle = [NSBundle bundleWithPath:@"/System/Library/PreferenceBundles/WinterBoardSettings.bundle"];
 172     [wbSettingsBundle load];
 173     $WBSettingsController = [wbSettingsBundle principalClass];
 174
 175     CGRect applicationFrame(([UIDevice instancesRespondToSelector:@selector(isWildcat)]
 176                          && [[UIDevice currentDevice] isWildcat]) || objc_getClass("UIStatusBar") != nil
 177                           ? [UIScreen mainScreen].bounds
 178                           : [UIScreen mainScreen].applicationFrame);
 179     UIWindow *window([[UIWindow alloc] initWithFrame:applicationFrame]);
 180     _rootController = [[WBRootController alloc] initWithTitle:@"WinterBoard" identifier:[[NSBundle mainBundle] bundleIdentifier]];
 181     [window addSubview:[_rootController contentView]];
 182     [window makeKeyAndVisible];
 183 }
 184
 185 @end
 186
 187 MSHook(int32_t, NSVersionOfLinkTimeLibrary, const char *name) {
 188     if (strcmp(name, "UIKit") == 0)
 189         return 0x6400000;
 190     return _NSVersionOfLinkTimeLibrary(name);
 191 }
 192
 193 int main(int argc, char *argv[]) {
 194     NSAutoreleasePool *pool( [[NSAutoreleasePool alloc] init]);
 195
 196     MSHookFunction(NSVersionOfLinkTimeLibrary, MSHake(NSVersionOfLinkTimeLibrary));
 197
 198     int value = UIApplicationMain(argc, argv, @"WBApplication", @"WBApplication");
 199
 200     [pool release];
 201     return value;
 202 }