Settings.mm

   1 /* WinterBoard - Theme Manager for the iPhone
   2  * Copyright (C) 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 <UIKit/UIKit.h>
  40 #import <Preferences/PSListController.h>
  41 #import <Preferences/PSSpecifier.h>
  42 #import <Preferences/PSTableCell.h>
  43 #import <UIKit/UINavigationButton.h>
  44
  45 #include <dlfcn.h>
  46
  47 static BOOL (*IsIconHiddenDisplayId)(NSString *);
  48 static BOOL (*HideIconViaDisplayId)(NSString *);
  49 static BOOL (*UnHideIconViaDisplayId)(NSString *);
  50
  51 static const NSString *WinterBoardDisplayID = @"com.saurik.WinterBoard";
  52
  53 extern NSString *PSTableCellKey;
  54 extern "C" UIImage *_UIImageWithName(NSString *);
  55
  56 static UIImage *checkImage;
  57 static UIImage *uncheckedImage;
  58
  59 static BOOL settingsChanged;
  60 static NSMutableDictionary *_settings;
  61 static NSString *_plist;
  62
  63 /* Theme Settings Controller {{{ */
  64 @interface WBSThemesController: PSViewController <UITableViewDelegate, UITableViewDataSource> {
  65     UITableView *_tableView;
  66     NSMutableArray *_themes;
  67 }
  68
  69 @property (nonatomic, retain) NSMutableArray *themes;
  70
  71 + (void) load;
  72
  73 - (id) initForContentSize:(CGSize)size;
  74 - (id) view;
  75 - (id) navigationTitle;
  76 - (void) themesChanged;
  77
  78 - (int) numberOfSectionsInTableView:(UITableView *)tableView;
  79 - (id) tableView:(UITableView *)tableView titleForHeaderInSection:(int)section;
  80 - (int) tableView:(UITableView *)tableView numberOfRowsInSection:(int)section;
  81 - (id) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath;
  82 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath;
  83 - (void) tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath;
  84 - (UITableViewCellEditingStyle) tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath;
  85 - (BOOL) tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath;
  86 - (BOOL) tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath;
  87
  88 @end
  89
  90 @implementation WBSThemesController
  91
  92 @synthesize themes = _themes;
  93
  94 + (void) load {
  95     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
  96     checkImage = [_UIImageWithName(@"UIPreferencesBlueCheck.png") retain];
  97     uncheckedImage = [[UIImage imageWithContentsOfFile:@"/System/Library/PreferenceBundles/WinterBoardSettings.bundle/SearchResultsCheckmarkClear.png"] retain];
  98     [pool release];
  99 }
 100
 101 - (id) initForContentSize:(CGSize)size {
 102     if ((self = [super initForContentSize:size]) != nil) {
 103         self.themes = [_settings objectForKey:@"Themes"];
 104         if (!_themes) {
 105             if (NSString *theme = [_settings objectForKey:@"Theme"]) {
 106                 self.themes = [NSMutableArray arrayWithObject:
 107                          [NSMutableDictionary dictionaryWithObjectsAndKeys:
 108                                             theme, @"Name",
 109                                 [NSNumber numberWithBool:YES], @"Active", nil]];
 110                 [_settings removeObjectForKey:@"Theme"];
 111             }
 112             if (!_themes)
 113                 self.themes = [NSMutableArray array];
 114             [_settings setObject:_themes forKey:@"Themes"];
 115         }
 116
 117         NSMutableArray *themesOnDisk([NSMutableArray array]);
 118
 119         [themesOnDisk
 120             addObjectsFromArray:[[NSFileManager defaultManager]
 121             contentsOfDirectoryAtPath:@"/Library/Themes" error:NULL]
 122         ];
 123
 124         [themesOnDisk addObjectsFromArray:[[NSFileManager defaultManager]
 125             contentsOfDirectoryAtPath:[NSString stringWithFormat:@"%@/Library/SummerBoard/Themes", NSHomeDirectory()]
 126             error:NULL
 127         ]];
 128
 129         for (int i = 0, count = [themesOnDisk count]; i < count; i++) {
 130             NSString *theme = [themesOnDisk objectAtIndex:i];
 131             if ([theme hasSuffix:@".theme"])
 132                 [themesOnDisk replaceObjectAtIndex:i withObject:[theme stringByDeletingPathExtension]];
 133         }
 134
 135         NSMutableSet *themesSet([NSMutableSet set]);
 136
 137         for (int i = 0, count = [_themes count]; i < count; i++) {
 138             NSDictionary *theme([_themes objectAtIndex:i]);
 139             NSString *name([theme objectForKey:@"Name"]);
 140
 141             if (!name || ![themesOnDisk containsObject:name]) {
 142                 [_themes removeObjectAtIndex:i];
 143                 i--;
 144                 count--;
 145             } else {
 146                 [themesSet addObject:name];
 147             }
 148         }
 149
 150         for (NSString *theme in themesOnDisk) {
 151             if ([themesSet containsObject:theme])
 152                 continue;
 153             [themesSet addObject:theme];
 154
 155             [_themes insertObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
 156                     theme, @"Name",
 157                     [NSNumber numberWithBool:NO], @"Active",
 158             nil] atIndex:0];
 159         }
 160
 161         _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 480-64) style:UITableViewStyleGrouped];
 162         [_tableView setDataSource:self];
 163         [_tableView setDelegate:self];
 164         [_tableView setEditing:YES];
 165         [_tableView setAllowsSelectionDuringEditing:YES];
 166         [self showLeftButton:@"WinterBoard" withStyle:1 rightButton:nil withStyle:0];
 167     }
 168     return self;
 169 }
 170
 171 - (void) dealloc {
 172     [_tableView release];
 173     [_themes release];
 174     [super dealloc];
 175 }
 176
 177 - (id) navigationTitle {
 178     return @"Themes";
 179 }
 180
 181 - (id) view {
 182     return _tableView;
 183 }
 184
 185 - (void) themesChanged {
 186     settingsChanged = YES;
 187 }
 188
 189 /* UITableViewDelegate / UITableViewDataSource Methods {{{ */
 190 - (int) numberOfSectionsInTableView:(UITableView *)tableView {
 191     return 1;
 192 }
 193
 194 - (id) tableView:(UITableView *)tableView titleForHeaderInSection:(int)section {
 195     return nil;
 196 }
 197
 198 - (int) tableView:(UITableView *)tableView numberOfRowsInSection:(int)section {
 199     return _themes.count;
 200 }
 201
 202 - (id) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 203     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"ThemeCell"];
 204     if (!cell) {
 205         cell = [[[UITableViewCell alloc] initWithFrame:CGRectMake(0, 0, 100, 100) reuseIdentifier:@"ThemeCell"] autorelease];
 206         //[cell setTableViewStyle:UITableViewCellStyleDefault];
 207     }
 208
 209     NSDictionary *theme([_themes objectAtIndex:indexPath.row]);
 210     cell.text = [theme objectForKey:@"Name"];
 211     cell.hidesAccessoryWhenEditing = NO;
 212     NSNumber *active([theme objectForKey:@"Active"]);
 213     BOOL inactive(active == nil || ![active boolValue]);
 214     [cell setImage:(inactive ? uncheckedImage : checkImage)];
 215     return cell;
 216 }
 217
 218 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 219     UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
 220     NSMutableDictionary *theme = [_themes objectAtIndex:indexPath.row];
 221     NSNumber *active = [theme objectForKey:@"Active"];
 222     BOOL inactive = active == nil || ![active boolValue];
 223     [theme setObject:[NSNumber numberWithBool:inactive] forKey:@"Active"];
 224     [cell setImage:(!inactive ? uncheckedImage : checkImage)];
 225     [tableView deselectRowAtIndexPath:(NSIndexPath *)indexPath animated:YES];
 226     [self themesChanged];
 227 }
 228
 229 - (void) tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
 230     NSUInteger fromIndex = [fromIndexPath row];
 231     NSUInteger toIndex = [toIndexPath row];
 232     if (fromIndex == toIndex)
 233         return;
 234     NSMutableDictionary *theme = [[[_themes objectAtIndex:fromIndex] retain] autorelease];
 235     [_themes removeObjectAtIndex:fromIndex];
 236     [_themes insertObject:theme atIndex:toIndex];
 237     [self themesChanged];
 238 }
 239
 240 - (UITableViewCellEditingStyle) tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
 241     return UITableViewCellEditingStyleNone;
 242 }
 243
 244 - (BOOL) tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath {
 245     return NO;
 246 }
 247
 248 - (BOOL) tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
 249     return YES;
 250 }
 251 /* }}} */
 252 @end
 253 /* }}} */
 254
 255 @interface WBSettingsController: PSListController {
 256 }
 257
 258 - (id) initForContentSize:(CGSize)size;
 259 - (void) dealloc;
 260 - (void) suspend;
 261 - (void) navigationBarButtonClicked:(int)buttonIndex;
 262 - (void) viewWillRedisplay;
 263 - (void) pushController:(id)controller;
 264 - (id) specifiers;
 265 - (void) settingsChanged;
 266 - (NSString *) title;
 267 - (void) setPreferenceValue:(id)value specifier:(PSSpecifier *)spec;
 268 - (id) readPreferenceValue:(PSSpecifier *)spec;
 269
 270 @end
 271
 272 @implementation WBSettingsController
 273
 274 + (void) load {
 275     NSLog(@"LH");
 276     void *libhide(dlopen("/usr/lib/hide.dylib", RTLD_LAZY));
 277     NSLog(@"LH:%x", libhide);
 278     IsIconHiddenDisplayId = reinterpret_cast<BOOL (*)(NSString *)>(dlsym(libhide, "IsIconHiddenDisplayId"));
 279     NSLog(@"LH:%x", IsIconHiddenDisplayId);
 280     HideIconViaDisplayId = reinterpret_cast<BOOL (*)(NSString *)>(dlsym(libhide, "HideIconViaDisplayId"));
 281     NSLog(@"LH:%x", HideIconViaDisplayId);
 282     UnHideIconViaDisplayId = reinterpret_cast<BOOL (*)(NSString *)>(dlsym(libhide, "UnHideIconViaDisplayId"));
 283     NSLog(@"LH:%x", UnHideIconViaDisplayId);
 284 }
 285
 286 - (id) initForContentSize:(CGSize)size {
 287     if ((self = [super initForContentSize:size]) != nil) {
 288         _plist = [[NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.WinterBoard.plist", NSHomeDirectory()] retain];
 289         _settings = [([NSMutableDictionary dictionaryWithContentsOfFile:_plist] ?: [NSMutableDictionary dictionary]) retain];
 290
 291         [_settings setObject:[NSNumber numberWithBool:IsIconHiddenDisplayId(WinterBoardDisplayID)] forKey:@"IconHidden"];
 292     } return self;
 293 }
 294
 295 - (void) dealloc {
 296     [_settings release];
 297     [_plist release];
 298     [super dealloc];
 299 }
 300
 301 - (void) suspend {
 302     if (!settingsChanged)
 303         return;
 304
 305     NSData *data([NSPropertyListSerialization dataFromPropertyList:_settings format:NSPropertyListBinaryFormat_v1_0 errorDescription:NULL]);
 306     if (!data)
 307         return;
 308     if (![data writeToFile:_plist options:NSAtomicWrite error:NULL])
 309         return;
 310
 311     ([[_settings objectForKey:@"IconHidden"] boolValue] ? HideIconViaDisplayId : UnHideIconViaDisplayId)(WinterBoardDisplayID);
 312
 313     unlink("/User/Library/Caches/com.apple.springboard-imagecache-icons");
 314     unlink("/User/Library/Caches/com.apple.springboard-imagecache-icons.plist");
 315     unlink("/User/Library/Caches/com.apple.springboard-imagecache-smallicons");
 316     unlink("/User/Library/Caches/com.apple.springboard-imagecache-smallicons.plist");
 317
 318     system("rm -rf /User/Library/Caches/SpringBoardIconCache");
 319     system("rm -rf /User/Library/Caches/SpringBoardIconCache-small");
 320
 321     system("killall SpringBoard");
 322 }
 323
 324 - (void) navigationBarButtonClicked:(int)buttonIndex {
 325     if (!settingsChanged) {
 326         [super navigationBarButtonClicked:buttonIndex];
 327         return;
 328     }
 329
 330     if (buttonIndex == 0)
 331         settingsChanged = NO;
 332
 333     [self suspend];
 334     [self.rootController popController];
 335 }
 336
 337 - (void) viewWillRedisplay {
 338     if (settingsChanged)
 339         [self settingsChanged];
 340     [super viewWillRedisplay];
 341 }
 342
 343 - (void) pushController:(id)controller {
 344     [self hideNavigationBarButtons];
 345     [super pushController:controller];
 346 }
 347
 348 - (id) specifiers {
 349     if (!_specifiers)
 350         _specifiers = [[self loadSpecifiersFromPlistName:@"WinterBoard" target:self] retain];
 351     return _specifiers;
 352 }
 353
 354 - (void) settingsChanged {
 355     [self showLeftButton:@"Respring" withStyle:2 rightButton:@"Cancel" withStyle:0];
 356     settingsChanged = YES;
 357 }
 358
 359 - (NSString *) title {
 360     return @"WinterBoard";
 361 }
 362
 363 - (void) setPreferenceValue:(id)value specifier:(PSSpecifier *)spec {
 364     NSString *key([spec propertyForKey:@"key"]);
 365     if ([[spec propertyForKey:@"negate"] boolValue])
 366         value = [NSNumber numberWithBool:(![value boolValue])];
 367     [_settings setValue:value forKey:key];
 368     [self settingsChanged];
 369 }
 370
 371 - (id) readPreferenceValue:(PSSpecifier *)spec {
 372     NSString *key([spec propertyForKey:@"key"]);
 373     id defaultValue([spec propertyForKey:@"default"]);
 374     id plistValue([_settings objectForKey:key]);
 375     if (!plistValue)
 376         return defaultValue;
 377     if ([[spec propertyForKey:@"negate"] boolValue])
 378         plistValue = [NSNumber numberWithBool:(![plistValue boolValue])];
 379     return plistValue;
 380 }
 381
 382 @end