mirror of
https://github.com/danog/Telegram.git
synced 2024-12-03 09:57:46 +01:00
410 lines
16 KiB
Objective-C
410 lines
16 KiB
Objective-C
#import "TGMediaListPhotoDataSource.h"
|
|
|
|
#import "ASQueue.h"
|
|
|
|
#import "TGWorkerPool.h"
|
|
#import "TGWorkerTask.h"
|
|
#import "TGMediaPreviewTask.h"
|
|
|
|
#import "TGMemoryImageCache.h"
|
|
|
|
#import "TGImageUtils.h"
|
|
#import "TGStringUtils.h"
|
|
#import "TGRemoteImageView.h"
|
|
|
|
#import "TGImageBlur.h"
|
|
#import "UIImage+TG.h"
|
|
|
|
#import "TGMediaStoreContext.h"
|
|
|
|
#import "TGAppDelegate.h"
|
|
|
|
static TGWorkerPool *workerPool()
|
|
{
|
|
static TGWorkerPool *instance = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^
|
|
{
|
|
instance = [[TGWorkerPool alloc] init];
|
|
});
|
|
|
|
return instance;
|
|
}
|
|
|
|
static ASQueue *taskManagementQueue()
|
|
{
|
|
static ASQueue *queue = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^
|
|
{
|
|
queue = [[ASQueue alloc] initWithName:"org.telegram.mediaListPhotoThumbnailTaskManagementQueue"];
|
|
});
|
|
|
|
return queue;
|
|
}
|
|
|
|
@implementation TGMediaListPhotoDataSource
|
|
|
|
+ (void)load
|
|
{
|
|
@autoreleasepool
|
|
{
|
|
[TGImageDataSource registerDataSource:[[self alloc] init]];
|
|
}
|
|
}
|
|
|
|
+ (NSString *)uriScheme
|
|
{
|
|
return @"media-list-photo-thumbnail";
|
|
}
|
|
|
|
- (bool)canHandleUri:(NSString *)uri
|
|
{
|
|
return [uri hasPrefix:[[NSString alloc] initWithFormat:@"%@://", [TGMediaListPhotoDataSource uriScheme]]];
|
|
}
|
|
|
|
- (bool)canHandleAttributeUri:(NSString *)uri
|
|
{
|
|
return [uri hasPrefix:[[NSString alloc] initWithFormat:@"%@://", [TGMediaListPhotoDataSource uriScheme]]];
|
|
}
|
|
|
|
- (id)loadDataAsyncWithUri:(NSString *)uri progress:(void (^)(float))progress partialCompletion:(void (^)(TGDataResource *resource))__unused partialCompletion completion:(void (^)(TGDataResource *))completion
|
|
{
|
|
TGMediaPreviewTask *previewTask = [[TGMediaPreviewTask alloc] init];
|
|
|
|
[taskManagementQueue() dispatchOnQueue:^
|
|
{
|
|
TGWorkerTask *workerTask = [[TGWorkerTask alloc] initWithBlock:^(bool (^isCancelled)())
|
|
{
|
|
TGDataResource *result = [TGMediaListPhotoDataSource _performLoad:uri isCancelled:isCancelled];
|
|
|
|
if (result != nil && progress != nil)
|
|
progress(1.0f);
|
|
|
|
if (isCancelled != nil && isCancelled())
|
|
return;
|
|
|
|
if (completion != nil)
|
|
completion(result != nil ? result : [TGMediaListPhotoDataSource resultForUnavailableImage]);
|
|
}];
|
|
|
|
if ([TGMediaListPhotoDataSource _isDataLocallyAvailableForUri:uri])
|
|
{
|
|
[previewTask executeWithWorkerTask:workerTask workerPool:workerPool()];
|
|
}
|
|
else
|
|
{
|
|
NSDictionary *args = [TGStringUtils argumentDictionaryInUrlString:[uri substringFromIndex:[[NSString alloc] initWithFormat:@"%@://?", [TGMediaListPhotoDataSource uriScheme]].length]];
|
|
|
|
if ([args[@"legacy-thumbnail-cache-url"] respondsToSelector:@selector(characterAtIndex:)])
|
|
{
|
|
static NSString *filesDirectory = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^
|
|
{
|
|
filesDirectory = [[TGAppDelegate documentsPath] stringByAppendingPathComponent:@"files"];
|
|
});
|
|
|
|
NSString *photoDirectoryName = nil;
|
|
if (args[@"id"] != nil)
|
|
{
|
|
photoDirectoryName = [[NSString alloc] initWithFormat:@"image-remote-%" PRIx64 "", (int64_t)[args[@"id"] longLongValue]];
|
|
}
|
|
else
|
|
{
|
|
photoDirectoryName = [[NSString alloc] initWithFormat:@"image-local-%" PRIx64 "", (int64_t)[args[@"local-id"] longLongValue]];
|
|
}
|
|
NSString *photoDirectory = [filesDirectory stringByAppendingPathComponent:photoDirectoryName];
|
|
|
|
[[NSFileManager defaultManager] createDirectoryAtPath:photoDirectory withIntermediateDirectories:true attributes:nil error:nil];
|
|
|
|
NSString *temporaryThumbnailImagePath = [photoDirectory stringByAppendingPathComponent:@"image-thumb.jpg"];
|
|
|
|
[previewTask executeWithTargetFilePath:temporaryThumbnailImagePath uri:args[@"legacy-thumbnail-cache-url"] completion:^(bool success)
|
|
{
|
|
if (success)
|
|
[previewTask executeWithWorkerTask:workerTask workerPool:workerPool()];
|
|
else
|
|
{
|
|
if (completion != nil)
|
|
completion([TGMediaListPhotoDataSource resultForUnavailableImage]);
|
|
}
|
|
} workerTask:workerTask];
|
|
}
|
|
else
|
|
{
|
|
if (completion != nil)
|
|
completion([TGMediaListPhotoDataSource resultForUnavailableImage]);
|
|
}
|
|
}
|
|
}];
|
|
|
|
return previewTask;
|
|
}
|
|
|
|
- (void)cancelTaskById:(id)taskId
|
|
{
|
|
[taskManagementQueue() dispatchOnQueue:^
|
|
{
|
|
if ([taskId isKindOfClass:[TGMediaPreviewTask class]])
|
|
{
|
|
TGMediaPreviewTask *previewTask = taskId;
|
|
[previewTask cancel];
|
|
}
|
|
}];
|
|
}
|
|
|
|
+ (TGDataResource *)resultForUnavailableImage
|
|
{
|
|
static TGDataResource *imageData = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^
|
|
{
|
|
imageData = [[TGDataResource alloc] initWithImage:TGAverageColorImage([UIColor whiteColor]) decoded:true];
|
|
});
|
|
|
|
return imageData;
|
|
}
|
|
|
|
- (id)loadAttributeSyncForUri:(NSString *)uri attribute:(NSString *)attribute
|
|
{
|
|
if ([attribute isEqualToString:@"placeholder"])
|
|
{
|
|
UIImage *reducedImage = [[TGMediaStoreContext instance] mediaReducedImage:uri attributes:NULL];
|
|
|
|
if (reducedImage != nil)
|
|
return reducedImage;
|
|
|
|
NSNumber *averageColor = [[TGMediaStoreContext instance] mediaImageAverageColor:uri];
|
|
if (averageColor != nil)
|
|
{
|
|
UIImage *image = TGAverageColorImage(UIColorRGB([averageColor intValue]));
|
|
return image;
|
|
}
|
|
|
|
static UIImage *placeholder = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^
|
|
{
|
|
placeholder = TGAverageColorImage([UIColor whiteColor]);
|
|
});
|
|
|
|
return placeholder;
|
|
}
|
|
|
|
return nil;
|
|
}
|
|
|
|
- (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 == nil)
|
|
return nil;
|
|
|
|
UIImage *cachedImage = [[TGMediaStoreContext instance] mediaImage:uri attributes:nil];
|
|
if (cachedImage != nil)
|
|
return [[TGDataResource alloc] initWithImage:cachedImage decoded:true];
|
|
|
|
if (!canWait)
|
|
return nil;
|
|
|
|
return [TGMediaListPhotoDataSource _performLoad:uri isCancelled:nil];
|
|
}
|
|
|
|
+ (bool)_isDataLocallyAvailableForUri:(NSString *)uri
|
|
{
|
|
NSDictionary *args = [TGStringUtils argumentDictionaryInUrlString:[uri substringFromIndex:[[NSString alloc] initWithFormat:@"%@://?", [TGMediaListPhotoDataSource uriScheme]].length]];
|
|
|
|
if ((![args[@"id"] respondsToSelector:@selector(longLongValue)] && ![args[@"local-id"] respondsToSelector:@selector(longLongValue)]) || ![args[@"width"] respondsToSelector:@selector(intValue)] || ![args[@"height"] respondsToSelector:@selector(intValue)] || ![args[@"renderWidth"] respondsToSelector:@selector(intValue)] || ![args[@"renderHeight"] respondsToSelector:@selector(intValue)])
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static NSString *filesDirectory = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^
|
|
{
|
|
filesDirectory = [[TGAppDelegate documentsPath] stringByAppendingPathComponent:@"files"];
|
|
});
|
|
|
|
NSString *photoDirectoryName = nil;
|
|
if (args[@"id"] != nil)
|
|
{
|
|
photoDirectoryName = [[NSString alloc] initWithFormat:@"image-remote-%" PRIx64 "", (int64_t)[args[@"id"] longLongValue]];
|
|
}
|
|
else
|
|
{
|
|
photoDirectoryName = [[NSString alloc] initWithFormat:@"image-local-%" PRIx64 "", (int64_t)[args[@"local-id"] longLongValue]];
|
|
}
|
|
NSString *photoDirectory = [filesDirectory stringByAppendingPathComponent:photoDirectoryName];
|
|
|
|
CGSize size = CGSizeMake([args[@"width"] intValue], [args[@"height"] intValue]);
|
|
CGSize renderSize = CGSizeMake([args[@"renderWidth"] intValue], [args[@"renderHeight"] intValue]);
|
|
|
|
NSString *thumbnailPath = [photoDirectory stringByAppendingPathComponent:[[NSString alloc] initWithFormat:@"thumbnail-%dx%d-%dx%d.jpg", (int)size.width, (int)size.height, (int)renderSize.width, (int)renderSize.height]];
|
|
|
|
if ([[NSFileManager defaultManager] fileExistsAtPath:thumbnailPath isDirectory:NULL])
|
|
return true;
|
|
|
|
NSString *imagePath = [photoDirectory stringByAppendingPathComponent:@"image.jpg"];
|
|
if ([[NSFileManager defaultManager] fileExistsAtPath:imagePath isDirectory:NULL])
|
|
return true;
|
|
|
|
if ([args[@"legacy-file-path"] respondsToSelector:@selector(characterAtIndex:)])
|
|
{
|
|
NSString *legacyCacheFilePath = args[@"legacy-file-path"];
|
|
if ([[NSFileManager defaultManager] fileExistsAtPath:legacyCacheFilePath isDirectory:NULL])
|
|
return true;
|
|
}
|
|
|
|
NSString *temporaryThumbnailImagePath = [photoDirectory stringByAppendingPathComponent:@"image-thumb.jpg"];
|
|
if ([[NSFileManager defaultManager] fileExistsAtPath:temporaryThumbnailImagePath isDirectory:NULL])
|
|
return true;
|
|
|
|
if ([args[@"legacy-thumbnail-cache-url"] respondsToSelector:@selector(characterAtIndex:)])
|
|
{
|
|
NSString *legacyThumbnailFilePath = [[TGRemoteImageView sharedCache] pathForCachedData:args[@"legacy-thumbnail-cache-url"]];
|
|
if ([[NSFileManager defaultManager] fileExistsAtPath:legacyThumbnailFilePath isDirectory:NULL])
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
+ (TGDataResource *)_performLoad:(NSString *)uri isCancelled:(bool (^)())isCancelled
|
|
{
|
|
if (isCancelled && isCancelled())
|
|
{
|
|
TGLog(@"[TGPhotoMediaPreviewImageDataSource cancelled while loading %@]", uri);
|
|
return nil;
|
|
}
|
|
|
|
NSDictionary *args = [TGStringUtils argumentDictionaryInUrlString:[uri substringFromIndex:[[NSString alloc] initWithFormat:@"%@://?", [TGMediaListPhotoDataSource uriScheme]].length]];
|
|
|
|
if ((![args[@"id"] respondsToSelector:@selector(longLongValue)] && ![args[@"local-id"] respondsToSelector:@selector(longLongValue)]) || ![args[@"width"] respondsToSelector:@selector(intValue)] || ![args[@"height"] respondsToSelector:@selector(intValue)] || ![args[@"renderWidth"] respondsToSelector:@selector(intValue)] || ![args[@"renderHeight"] respondsToSelector:@selector(intValue)])
|
|
{
|
|
return nil;
|
|
}
|
|
|
|
static NSString *filesDirectory = nil;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^
|
|
{
|
|
filesDirectory = [[TGAppDelegate documentsPath] stringByAppendingPathComponent:@"files"];
|
|
});
|
|
|
|
NSString *photoDirectoryName = nil;
|
|
if (args[@"id"] != nil)
|
|
{
|
|
photoDirectoryName = [[NSString alloc] initWithFormat:@"image-remote-%" PRIx64 "", (int64_t)[args[@"id"] longLongValue]];
|
|
}
|
|
else
|
|
{
|
|
photoDirectoryName = [[NSString alloc] initWithFormat:@"image-local-%" PRIx64 "", (int64_t)[args[@"local-id"] longLongValue]];
|
|
}
|
|
NSString *photoDirectory = [filesDirectory stringByAppendingPathComponent:photoDirectoryName];
|
|
|
|
CGSize size = CGSizeMake([args[@"width"] intValue], [args[@"height"] intValue]);
|
|
CGSize renderSize = CGSizeMake([args[@"renderWidth"] intValue], [args[@"renderHeight"] intValue]);
|
|
|
|
NSString *thumbnailPath = [photoDirectory stringByAppendingPathComponent:[[NSString alloc] initWithFormat:@"thumbnail-%dx%d-%dx%d.jpg", (int)size.width, (int)size.height, (int)renderSize.width, (int)renderSize.height]];
|
|
|
|
UIImage *thumbnailSourceImage = [[UIImage alloc] initWithContentsOfFile:thumbnailPath];
|
|
bool lowQualityThumbnail = false;
|
|
|
|
if (thumbnailSourceImage == nil)
|
|
{
|
|
[[NSFileManager defaultManager] createDirectoryAtPath:photoDirectory withIntermediateDirectories:true attributes:nil error:nil];
|
|
|
|
NSString *imagePath = [photoDirectory stringByAppendingPathComponent:@"image.jpg"];
|
|
NSString *temporaryThumbnailImagePath = [photoDirectory stringByAppendingPathComponent:@"image-thumb.jpg"];
|
|
UIImage *image = [[UIImage alloc] initWithContentsOfFile:imagePath];
|
|
|
|
if (image == nil && [args[@"legacy-file-path"] respondsToSelector:@selector(characterAtIndex:)])
|
|
{
|
|
NSString *legacyCacheFilePath = args[@"legacy-file-path"];
|
|
image = [[UIImage alloc] initWithContentsOfFile:legacyCacheFilePath];
|
|
|
|
if (image != nil)
|
|
{
|
|
[[NSFileManager defaultManager] copyItemAtPath:legacyCacheFilePath toPath:imagePath error:nil];
|
|
}
|
|
}
|
|
|
|
if (image == nil)
|
|
{
|
|
image = [[UIImage alloc] initWithContentsOfFile:temporaryThumbnailImagePath];
|
|
lowQualityThumbnail = true;
|
|
}
|
|
|
|
if (image == nil && [args[@"legacy-thumbnail-cache-url"] respondsToSelector:@selector(characterAtIndex:)])
|
|
{
|
|
image = [[TGRemoteImageView sharedCache] cachedImage:args[@"legacy-thumbnail-cache-url"] availability:TGCacheDisk];
|
|
if (image != nil)
|
|
{
|
|
[[NSFileManager defaultManager] copyItemAtPath:[[TGRemoteImageView sharedCache] pathForCachedData:args[@"legacy-thumbnail-cache-url"]] toPath:temporaryThumbnailImagePath error:nil];
|
|
}
|
|
}
|
|
|
|
if (image != nil)
|
|
{
|
|
const float cacheFactor = 0.85f;
|
|
CGSize cachedImageSize = CGSizeMake(CGCeil(size.width * cacheFactor), CGCeil(size.height * cacheFactor));
|
|
CGSize cachedRenderSize = CGSizeMake(CGCeil(renderSize.width * cacheFactor), CGCeil(renderSize.height * cacheFactor));
|
|
UIGraphicsBeginImageContextWithOptions(cachedImageSize, true, 2.0f);
|
|
|
|
CGRect imageRect = CGRectMake((cachedImageSize.width - cachedRenderSize.width) / 2.0f, (cachedImageSize.height - cachedRenderSize.height) / 2.0f, cachedRenderSize.width, cachedRenderSize.height);
|
|
[image drawInRect:imageRect blendMode:kCGBlendModeCopy alpha:1.0f];
|
|
|
|
thumbnailSourceImage = UIGraphicsGetImageFromCurrentImageContext();
|
|
UIGraphicsEndImageContext();
|
|
|
|
if (thumbnailSourceImage != nil && !lowQualityThumbnail)
|
|
{
|
|
NSData *thumbnailSourceData = UIImageJPEGRepresentation(thumbnailSourceImage, 0.8f);
|
|
[thumbnailSourceData writeToFile:thumbnailPath atomically:false];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
UIGraphicsBeginImageContextWithOptions(thumbnailSourceImage.size, true, thumbnailSourceImage.scale);
|
|
|
|
CGRect imageRect = CGRectMake(0.0f, 0.0f, thumbnailSourceImage.size.width, thumbnailSourceImage.size.height);
|
|
[thumbnailSourceImage drawInRect:imageRect blendMode:kCGBlendModeCopy alpha:1.0f];
|
|
|
|
thumbnailSourceImage = UIGraphicsGetImageFromCurrentImageContext();
|
|
UIGraphicsEndImageContext();
|
|
}
|
|
|
|
if (thumbnailSourceImage != nil)
|
|
{
|
|
UIImage *thumbnailImage = nil;
|
|
|
|
NSNumber *averageColor = [[TGMediaStoreContext instance] mediaImageAverageColor:uri];
|
|
bool needsAverageColor = averageColor == nil;
|
|
uint32_t averageColorValue = [averageColor intValue];
|
|
|
|
if (lowQualityThumbnail)
|
|
thumbnailImage = TGBlurredFileImage(thumbnailSourceImage, size, needsAverageColor ? &averageColorValue : NULL, 0);
|
|
else
|
|
{
|
|
thumbnailImage = thumbnailSourceImage;
|
|
if (needsAverageColor)
|
|
TGPlainImageAverageColor(thumbnailSourceImage, &averageColorValue);
|
|
}
|
|
|
|
if (thumbnailImage != nil)
|
|
{
|
|
[[TGMediaStoreContext instance] setMediaImageAverageColorForKey:uri averageColor:@(averageColorValue)];
|
|
if (!lowQualityThumbnail)
|
|
[[TGMediaStoreContext instance] setMediaImageForKey:uri image:thumbnailImage attributes:nil];
|
|
|
|
return [[TGDataResource alloc] initWithImage:thumbnailImage decoded:true];
|
|
}
|
|
}
|
|
|
|
return nil;
|
|
}
|
|
|
|
@end
|