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Telegram/legacy/TelegraphKit/TGRemoteImageView.h
2015-10-01 19:19:52 +03:00

89 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 <UIKit/UIKit.h>
#import "ActionStage.h"
#import "TGCache.h"
#define TGRemoteImageUseContents false
#define TG_CACHE_INPLACE false
typedef enum {
TGRemoteImageContentHintLargeFile = 1,
TGRemoteImageContentHintSaveToGallery = 2,
TGRemoteImageContentHintLoadFromDiskSynchronously = 4,
TGRemoteImageContentHintBlurRemote = 8
} TGRemoteImageContentHints;
@class TGRemoteImageView;
typedef UIImage *(^TGImageProcessor)(UIImage *);
typedef UIImage *(^TGImageUniversalProcessor)(NSString *, UIImage *);
typedef void (^TGImageProgressHandler)(TGRemoteImageView *imageView, float progress);
@interface TGRemoteImageView :
#if TGRemoteImageUseContents
UIView
#else
UIImageView
#endif
<ASWatcher>
@property (nonatomic, strong) ASHandle *actionHandle;
@property (nonatomic, strong) NSString *reuseIdentifier;
@property (nonatomic, strong) TGCache *cache;
@property (nonatomic) bool useCache;
@property (nonatomic) int contentHints;
@property (nonatomic) id userProperties;
@property (nonatomic) bool fadeTransition;
@property (nonatomic) NSTimeInterval fadeTransitionDuration;
@property (nonatomic) bool allowThumbnailCache;
#if TGRemoteImageUseContents
@property (nonatomic, strong) UIImage *image;
#endif
@property (nonatomic, strong) UIView *placeholderOverlay;
@property (nonatomic, strong) NSString *currentUrl;
@property (nonatomic, strong) NSString *currentFilter;
@property (nonatomic, copy) TGImageProgressHandler progressHandler;
@property (nonatomic) int cancelTimeout;
+ (void)throttleDownProcessing;
+ (void)registerImageUniversalProcessor:(TGImageUniversalProcessor)universalProcessor withBaseName:(NSString *)baseName;
+ (void)registerImageProcessor:(TGImageProcessor)imageProcessor withName:(NSString *)name;
+ (TGImageProcessor)imageProcessorForName:(NSString *)name;
+ (void)setSharedCache:(TGCache *)cache;
+ (TGCache *)sharedCache;
- (UIImage *)currentImage;
- (UIImage *)currentPlaceholderImage;
- (void)tryFillCache:(NSMutableDictionary *)dict;
- (void)loadImage:(UIImage *)image;
- (void)loadImage:(NSString *)url filter:(NSString *)filter placeholder:(UIImage *)placeholder;
- (void)loadImage:(NSString *)url filter:(NSString *)filter placeholder:(UIImage *)placeholder forceFade:(bool)forceFade;
- (void)loadPlaceholder:(UIImage *)placeholder;
- (void)cancelLoading;
+ (UIImage *)imageFromCache:(NSString *)url filter:(NSString *)filter cache:(TGCache *)cache;
+ (NSString *)preloadImage:(NSString *)url filter:(NSString *)filter blurIfRemote:(bool)blurIfRemote cache:(TGCache *)cache allowThumbnailCache:(bool)allowThumbnailCache watcher:(id<ASWatcher>)watcher;
- (void)prepareForRecycle;
- (void)prepareForReuse;
@end