CydgetSettings.mm

   1 /* CydgetScript - open-source lock screen multiplexer
   2  * Copyright (C) 2009-2011  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 <UIKit/UIKit.h>
  40 #import <Preferences/PSRootController.h>
  41 #import <Preferences/PSViewController.h>
  42 #import <Preferences/PSListController.h>
  43 #import <Preferences/PSSpecifier.h>
  44 #import <Preferences/PSTableCell.h>
  45 #import <UIKit/UINavigationButton.h>
  46
  47 #include <dlfcn.h>
  48 #include <objc/runtime.h>
  49
  50 static BOOL (*IsIconHiddenDisplayId)(NSString *);
  51 static BOOL (*HideIconViaDisplayId)(NSString *);
  52 static BOOL (*UnHideIconViaDisplayId)(NSString *);
  53
  54 extern NSString *PSTableCellKey;
  55 extern "C" UIImage *_UIImageWithName(NSString *);
  56
  57 static UIImage *checkImage;
  58 static UIImage *uncheckedImage;
  59
  60 static BOOL settingsChanged;
  61 static NSMutableDictionary *_settings;
  62 static NSString *_plist;
  63
  64 /* [NSObject yieldToSelector:(withObject:)] {{{*/
  65 @interface NSObject (wb$yieldToSelector)
  66 - (id) wb$yieldToSelector:(SEL)selector withObject:(id)object;
  67 - (id) wb$yieldToSelector:(SEL)selector;
  68 @end
  69
  70 @implementation NSObject (Cydia)
  71
  72 - (void) wb$doNothing {
  73 }
  74
  75 - (void) wb$_yieldToContext:(NSMutableArray *)context {
  76     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
  77
  78     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
  79     id object([[context objectAtIndex:1] nonretainedObjectValue]);
  80     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
  81
  82     /* XXX: deal with exceptions */
  83     id value([self performSelector:selector withObject:object]);
  84
  85     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
  86     [context removeAllObjects];
  87     if ([signature methodReturnLength] != 0 && value != nil)
  88         [context addObject:value];
  89
  90     stopped = true;
  91
  92     [self
  93         performSelectorOnMainThread:@selector(wb$doNothing)
  94         withObject:nil
  95         waitUntilDone:NO
  96     ];
  97
  98     [pool release];
  99 }
 100
 101 - (id) wb$yieldToSelector:(SEL)selector withObject:(id)object {
 102     /*return [self performSelector:selector withObject:object];*/
 103
 104     volatile bool stopped(false);
 105
 106     NSMutableArray *context([NSMutableArray arrayWithObjects:
 107         [NSValue valueWithPointer:selector],
 108         [NSValue valueWithNonretainedObject:object],
 109         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 110     nil]);
 111
 112     NSThread *thread([[[NSThread alloc]
 113         initWithTarget:self
 114         selector:@selector(wb$_yieldToContext:)
 115         object:context
 116     ] autorelease]);
 117
 118     [thread start];
 119
 120     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 121     NSDate *future([NSDate distantFuture]);
 122
 123     while (!stopped && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
 124
 125     return [context count] == 0 ? nil : [context objectAtIndex:0];
 126 }
 127
 128 - (id) wb$yieldToSelector:(SEL)selector {
 129     return [self wb$yieldToSelector:selector withObject:nil];
 130 }
 131
 132 @end
 133 /* }}} */
 134
 135 /* Theme Settings Controller {{{ */
 136 @interface CydgetOrderController: PSViewController <UITableViewDelegate, UITableViewDataSource> {
 137     UITableView *_tableView;
 138     NSMutableArray *_themes;
 139 }
 140
 141 @property (nonatomic, retain) NSMutableArray *themes;
 142
 143 + (void) load;
 144
 145 - (id) initForContentSize:(CGSize)size;
 146 - (id) view;
 147 - (id) navigationTitle;
 148 - (void) themesChanged;
 149
 150 - (int) numberOfSectionsInTableView:(UITableView *)tableView;
 151 - (id) tableView:(UITableView *)tableView titleForHeaderInSection:(int)section;
 152 - (int) tableView:(UITableView *)tableView numberOfRowsInSection:(int)section;
 153 - (id) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath;
 154 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath;
 155 - (void) tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath;
 156 - (UITableViewCellEditingStyle) tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath;
 157 - (BOOL) tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath;
 158 - (BOOL) tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath;
 159
 160 @end
 161
 162 @implementation CydgetOrderController
 163
 164 @synthesize themes = _themes;
 165
 166 + (void) load {
 167     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
 168     checkImage = [_UIImageWithName(@"UIPreferencesBlueCheck.png") retain];
 169     uncheckedImage = [[UIImage imageWithContentsOfFile:@"/System/Library/PreferenceBundles/CydgetSettings.bundle/SearchResultsCheckmarkClear.png"] retain];
 170     [pool release];
 171 }
 172
 173 - (id) initForContentSize:(CGSize)size {
 174     if ((self = [super initForContentSize:size]) != nil) {
 175         self.themes = [_settings objectForKey:@"LockCydgets"];
 176         if (!_themes) {
 177             self.themes = [NSMutableArray arrayWithObjects:[NSMutableDictionary dictionaryWithObjectsAndKeys:
 178                 @"Welcome", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 179             ], [NSMutableDictionary dictionaryWithObjectsAndKeys:
 180                 @"AwayView", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
 181             ], nil];
 182
 183             [_settings setObject:_themes forKey:@"LockCydgets"];
 184         }
 185
 186         NSMutableArray *themesOnDisk([NSMutableArray arrayWithCapacity:4]);
 187         for (NSString *theme in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:@"/System/Library/LockCydgets" error:NULL])
 188             if ([theme hasSuffix:@".cydget"])
 189                 [themesOnDisk addObject:[theme stringByDeletingPathExtension]];
 190
 191         NSMutableSet *themesSet([NSMutableSet set]);
 192
 193         for (int i = 0, count = [_themes count]; i < count; i++) {
 194             NSDictionary *theme([_themes objectAtIndex:i]);
 195             NSString *name([theme objectForKey:@"Name"]);
 196
 197             if (!name || ![themesOnDisk containsObject:name]) {
 198                 [_themes removeObjectAtIndex:i];
 199                 i--;
 200                 count--;
 201             } else {
 202                 [themesSet addObject:name];
 203             }
 204         }
 205
 206         for (NSString *theme in themesOnDisk) {
 207             if ([themesSet containsObject:theme])
 208                 continue;
 209             [themesSet addObject:theme];
 210
 211             [_themes insertObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
 212                     theme, @"Name",
 213                     [NSNumber numberWithBool:NO], @"Active",
 214             nil] atIndex:0];
 215         }
 216
 217         _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 480-64) style:UITableViewStyleGrouped];
 218         [_tableView setDataSource:self];
 219         [_tableView setDelegate:self];
 220         [_tableView setEditing:YES];
 221         [_tableView setAllowsSelectionDuringEditing:YES];
 222         if ([self respondsToSelector:@selector(setView:)])
 223             [self setView:_tableView];
 224     }
 225     return self;
 226 }
 227
 228 - (void) dealloc {
 229     [_tableView release];
 230     [_themes release];
 231     [super dealloc];
 232 }
 233
 234 - (id) navigationTitle {
 235     return @"Lock Cydgets";
 236 }
 237
 238 - (id) view {
 239     return _tableView;
 240 }
 241
 242 - (void) themesChanged {
 243     settingsChanged = YES;
 244 }
 245
 246 /* UITableViewDelegate / UITableViewDataSource Methods {{{ */
 247 - (int) numberOfSectionsInTableView:(UITableView *)tableView {
 248     return 1;
 249 }
 250
 251 - (id) tableView:(UITableView *)tableView titleForHeaderInSection:(int)section {
 252     return nil;
 253 }
 254
 255 - (int) tableView:(UITableView *)tableView numberOfRowsInSection:(int)section {
 256     return _themes.count;
 257 }
 258
 259 - (id) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 260     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"ThemeCell"];
 261     if (!cell) {
 262         cell = [[[UITableViewCell alloc] initWithFrame:CGRectMake(0, 0, 100, 100) reuseIdentifier:@"ThemeCell"] autorelease];
 263         //[cell setTableViewStyle:UITableViewCellStyleDefault];
 264     }
 265
 266     NSDictionary *theme([_themes objectAtIndex:indexPath.row]);
 267     cell.text = [theme objectForKey:@"Name"];
 268     cell.hidesAccessoryWhenEditing = NO;
 269     NSNumber *active([theme objectForKey:@"Active"]);
 270     BOOL inactive(active == nil || ![active boolValue]);
 271     [cell setImage:(inactive ? uncheckedImage : checkImage)];
 272     return cell;
 273 }
 274
 275 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 276     UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
 277     NSMutableDictionary *theme = [_themes objectAtIndex:indexPath.row];
 278     NSNumber *active = [theme objectForKey:@"Active"];
 279     BOOL inactive = active == nil || ![active boolValue];
 280     [theme setObject:[NSNumber numberWithBool:inactive] forKey:@"Active"];
 281     [cell setImage:(!inactive ? uncheckedImage : checkImage)];
 282     [tableView deselectRowAtIndexPath:(NSIndexPath *)indexPath animated:YES];
 283     [self themesChanged];
 284 }
 285
 286 - (void) tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
 287     NSUInteger fromIndex = [fromIndexPath row];
 288     NSUInteger toIndex = [toIndexPath row];
 289     if (fromIndex == toIndex)
 290         return;
 291     NSMutableDictionary *theme = [[[_themes objectAtIndex:fromIndex] retain] autorelease];
 292     [_themes removeObjectAtIndex:fromIndex];
 293     [_themes insertObject:theme atIndex:toIndex];
 294     [self themesChanged];
 295 }
 296
 297 - (UITableViewCellEditingStyle) tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
 298     return UITableViewCellEditingStyleNone;
 299 }
 300
 301 - (BOOL) tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath {
 302     return NO;
 303 }
 304
 305 - (BOOL) tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
 306     return YES;
 307 }
 308 /* }}} */
 309 @end
 310 /* }}} */
 311
 312 @interface CydgetSettingsController: PSListController {
 313 }
 314
 315 - (id) initForContentSize:(CGSize)size;
 316 - (void) dealloc;
 317 - (void) suspend;
 318 - (void) navigationBarButtonClicked:(int)buttonIndex;
 319 - (void) viewWillRedisplay;
 320 - (void) pushController:(id)controller;
 321 - (id) specifiers;
 322 - (void) settingsChanged;
 323 - (NSString *) title;
 324 - (void) setPreferenceValue:(id)value specifier:(PSSpecifier *)spec;
 325 - (id) readPreferenceValue:(PSSpecifier *)spec;
 326
 327 @end
 328
 329 @implementation CydgetSettingsController
 330
 331 - (id) initForContentSize:(CGSize)size {
 332     if ((self = [super initForContentSize:size]) != nil) {
 333         _plist = [[NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.Cydget.plist", NSHomeDirectory()] retain];
 334         _settings = [([NSMutableDictionary dictionaryWithContentsOfFile:_plist] ?: [NSMutableDictionary dictionary]) retain];
 335     } return self;
 336 }
 337
 338 - (void) dealloc {
 339     [_settings release];
 340     [_plist release];
 341     [super dealloc];
 342 }
 343
 344 - (void) suspend {
 345     if (!settingsChanged)
 346         return;
 347
 348     NSData *data([NSPropertyListSerialization dataFromPropertyList:_settings format:NSPropertyListBinaryFormat_v1_0 errorDescription:NULL]);
 349     if (!data)
 350         return;
 351     if (![data writeToFile:_plist options:NSAtomicWrite error:NULL])
 352         return;
 353     system("killall SpringBoard");
 354 }
 355
 356 - (void) cancelChanges {
 357     [_settings release];
 358     [_plist release];
 359     _plist = [[NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.Cydget.plist", NSHomeDirectory()] retain];
 360     _settings = [([NSMutableDictionary dictionaryWithContentsOfFile:_plist] ?: [NSMutableDictionary dictionary]) retain];
 361
 362     [self reloadSpecifiers];
 363     if (![[PSViewController class] instancesRespondToSelector:@selector(showLeftButton:withStyle:rightButton:withStyle:)]) {
 364         [[self navigationItem] setLeftBarButtonItem:nil];
 365         [[self navigationItem] setRightBarButtonItem:nil];
 366     } else {
 367         [self showLeftButton:nil withStyle:0 rightButton:nil withStyle:0];
 368     }
 369     settingsChanged = NO;
 370 }
 371
 372 - (void) navigationBarButtonClicked:(int)buttonIndex {
 373     if (!settingsChanged) {
 374         [super navigationBarButtonClicked:buttonIndex];
 375         return;
 376     }
 377
 378     if (buttonIndex == 0) {
 379         [self cancelChanges];
 380         return;
 381     }
 382
 383     [self suspend];
 384     [self.rootController popController];
 385 }
 386
 387 - (void) settingsConfirmButtonClicked:(UIBarButtonItem *)button {
 388     [self navigationBarButtonClicked:button.tag];
 389 }
 390
 391 - (void) viewWillRedisplay {
 392     if (settingsChanged)
 393         [self settingsChanged];
 394     [super viewWillRedisplay];
 395 }
 396
 397 - (void) viewWillAppear:(BOOL)animated {
 398     if (settingsChanged)
 399         [self settingsChanged];
 400     if ([super respondsToSelector:@selector(viewWillAppear:)])
 401         [super viewWillAppear:animated];
 402 }
 403
 404 - (void) pushController:(id)controller {
 405     [self hideNavigationBarButtons];
 406     [super pushController:controller];
 407 }
 408
 409 - (id) specifiers {
 410     if (!_specifiers)
 411         _specifiers = [[self loadSpecifiersFromPlistName:@"Cydget" target:self] retain];
 412     return _specifiers;
 413 }
 414
 415 - (void) settingsChanged {
 416     if (![[PSViewController class] instancesRespondToSelector:@selector(showLeftButton:withStyle:rightButton:withStyle:)]) {
 417         UIBarButtonItem *respringButton([[UIBarButtonItem alloc] initWithTitle:@"Respring" style:UIBarButtonItemStyleDone target:self action:@selector(settingsConfirmButtonClicked:)]);
 418         UIBarButtonItem *cancelButton([[UIBarButtonItem alloc] initWithTitle:@"Cancel" style:UIBarButtonItemStylePlain target:self action:@selector(settingsConfirmButtonClicked:)]);
 419         cancelButton.tag = 0;
 420         respringButton.tag = 1;
 421         [[self navigationItem] setLeftBarButtonItem:respringButton];
 422         [[self navigationItem] setRightBarButtonItem:cancelButton];
 423         [respringButton release];
 424         [cancelButton release];
 425     } else {
 426         [self showLeftButton:@"Respring" withStyle:2 rightButton:@"Cancel" withStyle:0];
 427     }
 428     settingsChanged = YES;
 429 }
 430
 431 - (NSString *) title {
 432     return @"Cydget";
 433 }
 434
 435 - (void) setPreferenceValue:(id)value specifier:(PSSpecifier *)spec {
 436     NSString *key([spec propertyForKey:@"key"]);
 437     if ([[spec propertyForKey:@"negate"] boolValue])
 438         value = [NSNumber numberWithBool:(![value boolValue])];
 439     [_settings setValue:value forKey:key];
 440     [self settingsChanged];
 441 }
 442
 443 - (id) readPreferenceValue:(PSSpecifier *)spec {
 444     NSString *key([spec propertyForKey:@"key"]);
 445     id defaultValue([spec propertyForKey:@"default"]);
 446     id plistValue([_settings objectForKey:key]);
 447     if (!plistValue)
 448         return defaultValue;
 449     if ([[spec propertyForKey:@"negate"] boolValue])
 450         plistValue = [NSNumber numberWithBool:(![plistValue boolValue])];
 451     return plistValue;
 452 }
 453
 454 @end
 455
 456 #define WBSAddMethod(_class, _sel, _imp, _type) \
 457     if (![[_class class] instancesRespondToSelector:@selector(_sel)]) \
 458         class_addMethod([_class class], @selector(_sel), (IMP)_imp, _type)
 459 void $PSRootController$popController(PSRootController *self, SEL _cmd) {
 460     [self popViewControllerAnimated:YES];
 461 }
 462
 463 void $PSViewController$hideNavigationBarButtons(PSRootController *self, SEL _cmd) {
 464 }
 465
 466 id $PSViewController$initForContentSize$(PSRootController *self, SEL _cmd, CGRect contentSize) {
 467     return [self init];
 468 }
 469
 470 static __attribute__((constructor)) void __wbsInit() {
 471     WBSAddMethod(PSRootController, popController, $PSRootController$popController, "v@:");
 472     WBSAddMethod(PSViewController, hideNavigationBarButtons, $PSViewController$hideNavigationBarButtons, "v@:");
 473     WBSAddMethod(PSViewController, initForContentSize:, $PSViewController$initForContentSize$, "@@:{ff}");
 474 }