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Telegram/Telegraph/TGWallpaperImageDataSource.m
2015-10-01 19:19:52 +03:00

84 lines
2.8 KiB
Objective-C

/*
* This is the source code of Telegram for iOS v. 1.1
* It is licensed under GNU GPL v. 2 or later.
* You should have received a copy of the license in this archive (see LICENSE).
*
* Copyright Peter Iakovlev, 2013.
*/
#import "TGWallpaperImageDataSource.h"
#import "TGStringUtils.h"
@implementation TGWallpaperImageDataSource
+ (void)load
{
@autoreleasepool
{
[TGImageDataSource registerDataSource:[[TGWallpaperImageDataSource alloc] init]];
}
}
- (bool)canHandleUri:(NSString *)uri
{
return [uri hasPrefix:@"builtin-wallpaper://"];
}
- (TGDataResource *)loadDataSyncWithUri:(NSString *)uri canWait:(bool)canWait acceptPartialData:(bool)__unused acceptPartialData asyncTaskId:(__autoreleasing id *)__unused asyncTaskId progress:(void (^)(float))__unused progress partialCompletion:(void (^)(TGDataResource *))__unused partialCompletion completion:(void (^)(TGDataResource *))__unused completion
{
if (![uri hasPrefix:@"builtin-wallpaper://?"])
return nil;
if (!canWait)
return nil;
NSDictionary *args = [TGStringUtils argumentDictionaryInUrlString:[uri substringFromIndex:@"builtin-wallpaper://?".length]];
int builtinId = [args[@"id"] intValue];
NSString *sizeVariant = args[@"size"];
return [self _loadWallpaper:builtinId sizeVariant:sizeVariant];
}
- (TGDataResource *)_loadWallpaper:(int)wallpaperId sizeVariant:(NSString *)sizeVariant
{
NSString *filePath = [[NSBundle mainBundle] pathForResource:[[NSString alloc] initWithFormat:@"%@builtin-wallpaper-%d%@", [[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad ? @"pad-" : @"", wallpaperId, sizeVariant == nil ? @"" : [[NSString alloc] initWithFormat:@"-%@", sizeVariant]] ofType:@"jpg"];
NSData *data = [[NSData alloc] initWithContentsOfFile:filePath];
return [[TGDataResource alloc] initWithData:data];
}
- (id)loadDataAsyncWithUri:(NSString *)uri progress:(void (^)(float progress))progress partialCompletion:(void (^)(TGDataResource *resource))__unused partialCompletion completion:(void (^)(TGDataResource *resource))completion
{
if ([uri hasPrefix:@"builtin-wallpaper://?"])
{
NSDictionary *args = [TGStringUtils argumentDictionaryInUrlString:[uri substringFromIndex:@"builtin-wallpaper://?".length]];
int builtinId = [args[@"id"] intValue];
NSString *sizeVariant = args[@"size"];
TGDataResource *resource = [self _loadWallpaper:builtinId sizeVariant:sizeVariant];
if (progress)
progress(1.0f);
if (completion)
completion(resource);
}
else
{
#ifdef DEBUG
NSAssert(false, @"Unrecognized URI");
#endif
if (completion)
completion(nil);
}
return nil;
}
- (void)cancelRetrievalById:(id)__unused retrievalId
{
}
@end