CydgetSettings.mm

   1 /* CydgetScript - open-source lock screen multiplexer
   2  * Copyright (C) 2009-2014  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cydia is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cydia is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #import <Foundation/Foundation.h>
  23 #import <UIKit/UIKit.h>
  24 #import <Preferences/PSRootController.h>
  25 #import <Preferences/PSViewController.h>
  26 #import <Preferences/PSListController.h>
  27 #import <Preferences/PSSpecifier.h>
  28 #import <Preferences/PSTableCell.h>
  29 #import <UIKit/UINavigationButton.h>
  30
  31 #include <dlfcn.h>
  32 #include <objc/runtime.h>
  33
  34 extern NSString *PSTableCellKey;
  35 extern "C" UIImage *_UIImageWithName(NSString *);
  36
  37 static UIImage *checkImage;
  38 static UIImage *uncheckedImage;
  39
  40 static BOOL settingsChanged;
  41 static NSMutableDictionary *_settings;
  42 static NSString *_plist;
  43
  44 /* Theme Settings Controller {{{ */
  45 @interface CydgetOrderController: PSViewController <UITableViewDelegate, UITableViewDataSource> {
  46     UITableView *_tableView;
  47     NSMutableArray *_themes;
  48 }
  49
  50 @property (nonatomic, retain) NSMutableArray *themes;
  51
  52 + (void) load;
  53
  54 - (id) initForContentSize:(CGSize)size;
  55 - (id) view;
  56 - (id) navigationTitle;
  57 - (void) themesChanged;
  58
  59 - (int) numberOfSectionsInTableView:(UITableView *)tableView;
  60 - (id) tableView:(UITableView *)tableView titleForHeaderInSection:(int)section;
  61 - (int) tableView:(UITableView *)tableView numberOfRowsInSection:(int)section;
  62 - (id) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath;
  63 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath;
  64 - (void) tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath;
  65 - (UITableViewCellEditingStyle) tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath;
  66 - (BOOL) tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath;
  67 - (BOOL) tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath;
  68
  69 @end
  70
  71 @implementation CydgetOrderController
  72
  73 @synthesize themes = _themes;
  74
  75 + (void) load {
  76     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
  77     checkImage = [_UIImageWithName(@"UIPreferencesBlueCheck.png") retain];
  78     uncheckedImage = [[UIImage imageWithContentsOfFile:@"/System/Library/PreferenceBundles/CydgetSettings.bundle/SearchResultsCheckmarkClear.png"] retain];
  79     [pool release];
  80 }
  81
  82 - (id) initForContentSize:(CGSize)size {
  83     if ((self = [super initForContentSize:size]) != nil) {
  84         self.themes = [_settings objectForKey:@"LockCydgets"];
  85         if (!_themes) {
  86             self.themes = [NSMutableArray arrayWithObjects:[NSMutableDictionary dictionaryWithObjectsAndKeys:
  87                 @"Welcome", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
  88             ], [NSMutableDictionary dictionaryWithObjectsAndKeys:
  89                 @"AwayView", @"Name", [NSNumber numberWithBool:YES], @"Active", nil
  90             ], nil];
  91
  92             [_settings setObject:_themes forKey:@"LockCydgets"];
  93         }
  94
  95         NSMutableArray *themesOnDisk([NSMutableArray arrayWithCapacity:4]);
  96         for (NSString *theme in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:@"/System/Library/LockCydgets" error:NULL])
  97             if ([theme hasSuffix:@".cydget"])
  98                 if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:[NSString stringWithFormat:@"/System/Library/LockCydgets/%@/Info.plist", theme]]) {
  99                     if (NSArray *version = [info objectForKey:@"CYVersionFilter"]) {
 100                         size_t count([version count]);
 101                         if (count == 0 || count > 2)
 102                             continue;
 103
 104                         double lower([[version objectAtIndex:0] doubleValue]);
 105                         if (kCFCoreFoundationVersionNumber < lower)
 106                             continue;
 107
 108                         if (count != 1) {
 109                             double upper([[version objectAtIndex:1] doubleValue]);
 110                             if (upper <= kCFCoreFoundationVersionNumber)
 111                                 continue;
 112                         }
 113                     }
 114
 115                     [themesOnDisk addObject:[theme stringByDeletingPathExtension]];
 116                 }
 117
 118         NSMutableSet *themesSet([NSMutableSet set]);
 119
 120         for (int i = 0, count = [_themes count]; i < count; i++) {
 121             NSDictionary *theme([_themes objectAtIndex:i]);
 122             NSString *name([theme objectForKey:@"Name"]);
 123
 124             if (!name || ![themesOnDisk containsObject:name]) {
 125                 [_themes removeObjectAtIndex:i];
 126                 i--;
 127                 count--;
 128             } else {
 129                 [themesSet addObject:name];
 130             }
 131         }
 132
 133         for (NSString *theme in themesOnDisk) {
 134             if ([themesSet containsObject:theme])
 135                 continue;
 136             [themesSet addObject:theme];
 137
 138             [_themes insertObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
 139                     theme, @"Name",
 140                     [NSNumber numberWithBool:NO], @"Active",
 141             nil] atIndex:0];
 142         }
 143
 144         _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 480-64) style:UITableViewStyleGrouped];
 145         [_tableView setDataSource:self];
 146         [_tableView setDelegate:self];
 147         [_tableView setEditing:YES];
 148         [_tableView setAllowsSelectionDuringEditing:YES];
 149         if ([self respondsToSelector:@selector(setView:)])
 150             [self setView:_tableView];
 151     }
 152     return self;
 153 }
 154
 155 - (void) dealloc {
 156     [_tableView release];
 157     [_themes release];
 158     [super dealloc];
 159 }
 160
 161 - (id) navigationTitle {
 162     return @"Lock Cydgets";
 163 }
 164
 165 - (id) view {
 166     return _tableView;
 167 }
 168
 169 - (void) themesChanged {
 170     settingsChanged = YES;
 171 }
 172
 173 /* UITableViewDelegate / UITableViewDataSource Methods {{{ */
 174 - (int) numberOfSectionsInTableView:(UITableView *)tableView {
 175     return 1;
 176 }
 177
 178 - (id) tableView:(UITableView *)tableView titleForHeaderInSection:(int)section {
 179     return nil;
 180 }
 181
 182 - (int) tableView:(UITableView *)tableView numberOfRowsInSection:(int)section {
 183     return _themes.count;
 184 }
 185
 186 - (id) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 187     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"ThemeCell"];
 188     if (!cell) {
 189         cell = [[[UITableViewCell alloc] initWithFrame:CGRectMake(0, 0, 100, 100) reuseIdentifier:@"ThemeCell"] autorelease];
 190         //[cell setTableViewStyle:UITableViewCellStyleDefault];
 191     }
 192
 193     NSDictionary *theme([_themes objectAtIndex:indexPath.row]);
 194     cell.text = [theme objectForKey:@"Name"];
 195     cell.hidesAccessoryWhenEditing = NO;
 196     NSNumber *active([theme objectForKey:@"Active"]);
 197     BOOL inactive(active == nil || ![active boolValue]);
 198     [cell setImage:(inactive ? uncheckedImage : checkImage)];
 199     return cell;
 200 }
 201
 202 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 203     UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
 204     NSMutableDictionary *theme = [_themes objectAtIndex:indexPath.row];
 205     NSNumber *active = [theme objectForKey:@"Active"];
 206     BOOL inactive = active == nil || ![active boolValue];
 207     [theme setObject:[NSNumber numberWithBool:inactive] forKey:@"Active"];
 208     [cell setImage:(!inactive ? uncheckedImage : checkImage)];
 209     [tableView deselectRowAtIndexPath:(NSIndexPath *)indexPath animated:YES];
 210     [self themesChanged];
 211 }
 212
 213 - (void) tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
 214     NSUInteger fromIndex = [fromIndexPath row];
 215     NSUInteger toIndex = [toIndexPath row];
 216     if (fromIndex == toIndex)
 217         return;
 218     NSMutableDictionary *theme = [[[_themes objectAtIndex:fromIndex] retain] autorelease];
 219     [_themes removeObjectAtIndex:fromIndex];
 220     [_themes insertObject:theme atIndex:toIndex];
 221     [self themesChanged];
 222 }
 223
 224 - (UITableViewCellEditingStyle) tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
 225     return UITableViewCellEditingStyleNone;
 226 }
 227
 228 - (BOOL) tableView:(UITableView *)tableView shouldIndentWhileEditingRowAtIndexPath:(NSIndexPath *)indexPath {
 229     return NO;
 230 }
 231
 232 - (BOOL) tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
 233     return YES;
 234 }
 235 /* }}} */
 236 @end
 237 /* }}} */
 238
 239 @interface CydgetSettingsController: PSListController {
 240 }
 241
 242 - (id) initForContentSize:(CGSize)size;
 243 - (void) dealloc;
 244 - (void) suspend;
 245 - (void) navigationBarButtonClicked:(int)buttonIndex;
 246 - (void) viewWillRedisplay;
 247 - (void) pushController:(id)controller;
 248 - (id) specifiers;
 249 - (void) settingsChanged;
 250 - (NSString *) title;
 251 - (void) setPreferenceValue:(id)value specifier:(PSSpecifier *)spec;
 252 - (id) readPreferenceValue:(PSSpecifier *)spec;
 253
 254 @end
 255
 256 @implementation CydgetSettingsController
 257
 258 - (id) initForContentSize:(CGSize)size {
 259     if ((self = [super initForContentSize:size]) != nil) {
 260         _plist = [[NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.Cydget.plist", NSHomeDirectory()] retain];
 261         _settings = [([NSMutableDictionary dictionaryWithContentsOfFile:_plist] ?: [NSMutableDictionary dictionary]) retain];
 262     } return self;
 263 }
 264
 265 - (void) dealloc {
 266     [_settings release];
 267     [_plist release];
 268     [super dealloc];
 269 }
 270
 271 - (void) suspend {
 272     if (!settingsChanged)
 273         return;
 274
 275     NSData *data([NSPropertyListSerialization dataFromPropertyList:_settings format:NSPropertyListBinaryFormat_v1_0 errorDescription:NULL]);
 276     if (!data)
 277         return;
 278     if (![data writeToFile:_plist options:NSAtomicWrite error:NULL])
 279         return;
 280
 281     if (kCFCoreFoundationVersionNumber >= 700) // XXX: iOS 6.x
 282         system("killall backboardd");
 283     else
 284         system("killall SpringBoard");
 285 }
 286
 287 - (void) cancelChanges {
 288     [_settings release];
 289     [_plist release];
 290     _plist = [[NSString stringWithFormat:@"%@/Library/Preferences/com.saurik.Cydget.plist", NSHomeDirectory()] retain];
 291     _settings = [([NSMutableDictionary dictionaryWithContentsOfFile:_plist] ?: [NSMutableDictionary dictionary]) retain];
 292
 293     [self reloadSpecifiers];
 294     if (![[PSViewController class] instancesRespondToSelector:@selector(showLeftButton:withStyle:rightButton:withStyle:)]) {
 295         [[self navigationItem] setLeftBarButtonItem:nil];
 296         [[self navigationItem] setRightBarButtonItem:nil];
 297     } else {
 298         [self showLeftButton:nil withStyle:0 rightButton:nil withStyle:0];
 299     }
 300     settingsChanged = NO;
 301 }
 302
 303 - (void) navigationBarButtonClicked:(int)buttonIndex {
 304     if (!settingsChanged) {
 305         [super navigationBarButtonClicked:buttonIndex];
 306         return;
 307     }
 308
 309     if (buttonIndex == 0) {
 310         [self cancelChanges];
 311         return;
 312     }
 313
 314     [self suspend];
 315     [self.rootController popController];
 316 }
 317
 318 - (void) settingsConfirmButtonClicked:(UIBarButtonItem *)button {
 319     [self navigationBarButtonClicked:button.tag];
 320 }
 321
 322 - (void) viewWillRedisplay {
 323     if (settingsChanged)
 324         [self settingsChanged];
 325     [super viewWillRedisplay];
 326 }
 327
 328 - (void) viewWillAppear:(BOOL)animated {
 329     if (settingsChanged)
 330         [self settingsChanged];
 331     if ([super respondsToSelector:@selector(viewWillAppear:)])
 332         [super viewWillAppear:animated];
 333 }
 334
 335 - (void) pushController:(id)controller {
 336     [self hideNavigationBarButtons];
 337     [super pushController:controller];
 338 }
 339
 340 - (id) specifiers {
 341     if (!_specifiers) {
 342         NSMutableArray *specifiers([NSMutableArray array]);
 343         for (PSSpecifier *specifier in [self loadSpecifiersFromPlistName:@"Cydget" target:self]) {
 344             if (NSArray *version = [specifier propertyForKey:@"wb$filter"]) {
 345                 size_t count([version count]);
 346                 if (count == 0 || count > 2)
 347                     continue;
 348
 349                 double lower([[version objectAtIndex:0] doubleValue]);
 350                 if (kCFCoreFoundationVersionNumber < lower)
 351                     continue;
 352
 353                 if (count != 1) {
 354                     double upper([[version objectAtIndex:1] doubleValue]);
 355                     if (upper <= kCFCoreFoundationVersionNumber)
 356                         continue;
 357                 }
 358             }
 359             [specifiers addObject:specifier];
 360         }
 361         _specifiers = [specifiers retain];
 362     }
 363     return _specifiers;
 364 }
 365
 366 - (void) settingsChanged {
 367     if (![[PSViewController class] instancesRespondToSelector:@selector(showLeftButton:withStyle:rightButton:withStyle:)]) {
 368         UIBarButtonItem *respringButton([[UIBarButtonItem alloc] initWithTitle:@"Respring" style:UIBarButtonItemStyleDone target:self action:@selector(settingsConfirmButtonClicked:)]);
 369         UIBarButtonItem *cancelButton([[UIBarButtonItem alloc] initWithTitle:@"Cancel" style:UIBarButtonItemStylePlain target:self action:@selector(settingsConfirmButtonClicked:)]);
 370         cancelButton.tag = 0;
 371         respringButton.tag = 1;
 372         [[self navigationItem] setLeftBarButtonItem:respringButton];
 373         [[self navigationItem] setRightBarButtonItem:cancelButton];
 374         [respringButton release];
 375         [cancelButton release];
 376     } else {
 377         [self showLeftButton:@"Respring" withStyle:2 rightButton:@"Cancel" withStyle:0];
 378     }
 379     settingsChanged = YES;
 380 }
 381
 382 - (NSString *) title {
 383     return @"Cydget";
 384 }
 385
 386 - (void) setPreferenceValue:(id)value specifier:(PSSpecifier *)spec {
 387     NSString *key([spec propertyForKey:@"key"]);
 388     if ([[spec propertyForKey:@"negate"] boolValue])
 389         value = [NSNumber numberWithBool:(![value boolValue])];
 390     [_settings setValue:value forKey:key];
 391     [self settingsChanged];
 392 }
 393
 394 - (id) readPreferenceValue:(PSSpecifier *)spec {
 395     NSString *key([spec propertyForKey:@"key"]);
 396     id defaultValue([spec propertyForKey:@"default"]);
 397     id plistValue([_settings objectForKey:key]);
 398     if (!plistValue)
 399         return defaultValue;
 400     if ([[spec propertyForKey:@"negate"] boolValue])
 401         plistValue = [NSNumber numberWithBool:(![plistValue boolValue])];
 402     return plistValue;
 403 }
 404
 405 @end
 406
 407 #define WBSAddMethod(_class, _sel, _imp, _type) \
 408     if (![[_class class] instancesRespondToSelector:@selector(_sel)]) \
 409         class_addMethod([_class class], @selector(_sel), (IMP)_imp, _type)
 410 void $PSRootController$popController(PSRootController *self, SEL _cmd) {
 411     [self popViewControllerAnimated:YES];
 412 }
 413
 414 void $PSViewController$hideNavigationBarButtons(PSRootController *self, SEL _cmd) {
 415 }
 416
 417 id $PSViewController$initForContentSize$(PSRootController *self, SEL _cmd, CGRect contentSize) {
 418     return [self init];
 419 }
 420
 421 static __attribute__((constructor)) void __wbsInit() {
 422     WBSAddMethod(PSRootController, popController, $PSRootController$popController, "v@:");
 423     WBSAddMethod(PSViewController, hideNavigationBarButtons, $PSViewController$hideNavigationBarButtons, "v@:");
 424     WBSAddMethod(PSViewController, initForContentSize:, $PSViewController$initForContentSize$, "@@:{ff}");
 425 }