SDWebImage · rs · May 21, 2014 · Mar 3, 2014
diff --git a/SDWebImage.xcodeproj/project.pbxproj b/SDWebImage.xcodeproj/project.pbxproj
@@ -193,6 +193,12 @@
 		A18A6CC8172DC28500419892 /* UIImage+GIF.h in Headers */ = {isa = PBXBuildFile; fileRef = A18A6CC5172DC28500419892 /* UIImage+GIF.h */; };
 		A18A6CC9172DC28500419892 /* UIImage+GIF.m in Sources */ = {isa = PBXBuildFile; fileRef = A18A6CC6172DC28500419892 /* UIImage+GIF.m */; };
 		A18A6CCA172DC28500419892 /* UIImage+GIF.m in Sources */ = {isa = PBXBuildFile; fileRef = A18A6CC6172DC28500419892 /* UIImage+GIF.m */; };
+		ABBE71A718C43B4D00B75E91 /* UIImageView+HighlightedWebCache.h in Headers */ = {isa = PBXBuildFile; fileRef = ABBE71A518C43B4D00B75E91 /* UIImageView+HighlightedWebCache.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		ABBE71A818C43B4D00B75E91 /* UIImageView+HighlightedWebCache.m in Sources */ = {isa = PBXBuildFile; fileRef = ABBE71A618C43B4D00B75E91 /* UIImageView+HighlightedWebCache.m */; };
+		ABBE71A918C43B5800B75E91 /* UIImageView+HighlightedWebCache.h in Headers */ = {isa = PBXBuildFile; fileRef = ABBE71A518C43B4D00B75E91 /* UIImageView+HighlightedWebCache.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		ABBE71AA18C43B5800B75E91 /* UIImageView+HighlightedWebCache.h in Headers */ = {isa = PBXBuildFile; fileRef = ABBE71A518C43B4D00B75E91 /* UIImageView+HighlightedWebCache.h */; settings = {ATTRIBUTES = (Public, ); }; };
+		ABBE71AB18C43B6000B75E91 /* UIImageView+HighlightedWebCache.m in Sources */ = {isa = PBXBuildFile; fileRef = ABBE71A618C43B4D00B75E91 /* UIImageView+HighlightedWebCache.m */; };
+		ABBE71AC18C43B6000B75E91 /* UIImageView+HighlightedWebCache.m in Sources */ = {isa = PBXBuildFile; fileRef = ABBE71A618C43B4D00B75E91 /* UIImageView+HighlightedWebCache.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -283,6 +289,8 @@
 		5DA509F3187B68E7002FEB5C /* random.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = random.h; path = Vendors/libwebp/src/utils/random.h; sourceTree = "<group>"; };
 		A18A6CC5172DC28500419892 /* UIImage+GIF.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIImage+GIF.h"; sourceTree = "<group>"; };
 		A18A6CC6172DC28500419892 /* UIImage+GIF.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIImage+GIF.m"; sourceTree = "<group>"; };
+		ABBE71A518C43B4D00B75E91 /* UIImageView+HighlightedWebCache.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIImageView+HighlightedWebCache.h"; sourceTree = "<group>"; };
+		ABBE71A618C43B4D00B75E91 /* UIImageView+HighlightedWebCache.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIImageView+HighlightedWebCache.m"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -367,6 +375,8 @@
 		53922DA9148C562D0056699D /* Categories */ = {
 			isa = PBXGroup;
 			children = (
+				ABBE71A518C43B4D00B75E91 /* UIImageView+HighlightedWebCache.h */,
+				ABBE71A618C43B4D00B75E91 /* UIImageView+HighlightedWebCache.m */,
 				5D5B9140188EE8DD006D06BD /* NSData+ImageContentType.h */,
 				5D5B9141188EE8DD006D06BD /* NSData+ImageContentType.m */,
 				53EDFB8817623F7C00698166 /* UIImage+MultiFormat.h */,
@@ -511,6 +521,7 @@
 				530E49EB16464C7F002868E7 /* SDWebImageDownloaderOperation.h in Headers */,
 				A18A6CC8172DC28500419892 /* UIImage+GIF.h in Headers */,
 				53EDFB8B17623F7C00698166 /* UIImage+MultiFormat.h in Headers */,
+				ABBE71AA18C43B5800B75E91 /* UIImageView+HighlightedWebCache.h in Headers */,
 				53E481E017C300F6003E8957 /* alpha_processing.h in Headers */,
 				53EDFB941762547D00698166 /* UIImage+WebP.h in Headers */,
 				53EDFC9317625BE300698166 /* webpi.h in Headers */,
@@ -546,6 +557,7 @@
 				53761320155AD0D5005750A4 /* UIImageView+WebCache.h in Headers */,
 				530E49E816464C25002868E7 /* SDWebImageOperation.h in Headers */,
 				530E49EA16464C7C002868E7 /* SDWebImageDownloaderOperation.h in Headers */,
+				ABBE71A718C43B4D00B75E91 /* UIImageView+HighlightedWebCache.h in Headers */,
 				A18A6CC7172DC28500419892 /* UIImage+GIF.h in Headers */,
 				53EDFB8A17623F7C00698166 /* UIImage+MultiFormat.h in Headers */,
 			);
@@ -568,6 +580,7 @@
 				537D95AA17ECC1FE0097C263 /* UIImage+GIF.h in Headers */,
 				537D95AC17ECC1FE0097C263 /* UIImage+MultiFormat.h in Headers */,
 				537D95AD17ECC1FE0097C263 /* UIImage+WebP.h in Headers */,
+				ABBE71A918C43B5800B75E91 /* UIImageView+HighlightedWebCache.h in Headers */,
 				537D95AE17ECC1FE0097C263 /* webpi.h in Headers */,
 				537D95AF17ECC1FE0097C263 /* vp8li.h in Headers */,
 				537D95B017ECC1FE0097C263 /* vp8i.h in Headers */,
@@ -735,6 +748,7 @@
 				A18A6CCA172DC28500419892 /* UIImage+GIF.m in Sources */,
 				53EDFB8D17623F7C00698166 /* UIImage+MultiFormat.m in Sources */,
 				53EDFB961762547D00698166 /* UIImage+WebP.m in Sources */,
+				ABBE71AC18C43B6000B75E91 /* UIImageView+HighlightedWebCache.m in Sources */,
 				53EDFC9517625BE300698166 /* webp.c in Sources */,
 				53EDFC9D17625C1100698166 /* vp8l.c in Sources */,
 				53EDFCA117625C1100698166 /* vp8.c in Sources */,
@@ -780,6 +794,7 @@
 				A18A6CC9172DC28500419892 /* UIImage+GIF.m in Sources */,
 				5D5B9145188EE8DD006D06BD /* NSData+ImageContentType.m in Sources */,
 				53EDFB8C17623F7C00698166 /* UIImage+MultiFormat.m in Sources */,
+				ABBE71A818C43B4D00B75E91 /* UIImageView+HighlightedWebCache.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -805,6 +820,7 @@
 				537D958417ECC1FE0097C263 /* vp8.c in Sources */,
 				5D5B9146188EE8DD006D06BD /* NSData+ImageContentType.m in Sources */,
 				537D958517ECC1FE0097C263 /* huffman.c in Sources */,
+				ABBE71AB18C43B6000B75E91 /* UIImageView+HighlightedWebCache.m in Sources */,
 				537D958617ECC1FE0097C263 /* frame.c in Sources */,
 				537D958717ECC1FE0097C263 /* alpha.c in Sources */,
 				537D958817ECC1FE0097C263 /* quant_levels_dec.c in Sources */,

diff --git a/SDWebImage/UIImageView+HighlightedWebCache.h b/SDWebImage/UIImageView+HighlightedWebCache.h
@@ -0,0 +1,78 @@
+/*
+ * This file is part of the SDWebImage package.
+ * (c) Olivier Poitrey <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+#import <UIKit/UIKit.h>
+#import "UIImageView+WebCache.h"
+
+/**
+ * Integrates SDWebImage async downloading and caching of remote images with UIImageView for highlighted state.
+ */
+@interface UIImageView (HighlightedWebCache)
+
+/**
+ * Set the imageView `highlightedImage` with an `url`.
+ *
+ * The downloand is asynchronous and cached.
+ *
+ * @param url The url for the image.
+ */
+- (void)setHighlightedImageWithURL:(NSURL *)url;
+/**
+ * Set the imageView `highlightedImage` with an `url` and custom options.
+ *
+ * The downloand is asynchronous and cached.
+ *
+ * @param url The url for the image.
+ * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
+ */
+- (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options;
+
+/**
+ * Set the imageView `highlightedImage` with an `url`.
+ *
+ * The downloand is asynchronous and cached.
+ *
+ * @param url The url for the image.
+ * @param completedBlock A block called when operation has been completed. This block as no return value
+ *                       and takes the requested UIImage as first parameter. In case of error the image parameter
+ *                       is nil and the second parameter may contain an NSError. The third parameter is a Boolean
+ *                       indicating if the image was retrived from the local cache of from the network.
+ */
+- (void)setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock;
+
+/**
+ * Set the imageView `highlightedImage` with an `url` and custom options.
+ *
+ * The downloand is asynchronous and cached.
+ *
+ * @param url The url for the image.
+ * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
+ * @param completedBlock A block called when operation has been completed. This block as no return value
+ *                       and takes the requested UIImage as first parameter. In case of error the image parameter
+ *                       is nil and the second parameter may contain an NSError. The third parameter is a Boolean
+ *                       indicating if the image was retrived from the local cache of from the network.
+ */
+- (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock;
+
+/**
+ * Set the imageView `highlightedImage` with an `url` and custom options.
+ *
+ * The downloand is asynchronous and cached.
+ *
+ * @param url The url for the image.
+ * @param options The options to use when downloading the image. @see SDWebImageOptions for the possible values.
+ * @param progressBlock A block called while image is downloading
+ * @param completedBlock A block called when operation has been completed. This block as no return value
+ *                       and takes the requested UIImage as first parameter. In case of error the image parameter
+ *                       is nil and the second parameter may contain an NSError. The third parameter is a Boolean
+ *                       indicating if the image was retrived from the local cache of from the network.
+ */
+- (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock;
+
+
+@end
diff --git a/SDWebImage/UIImageView+HighlightedWebCache.m b/SDWebImage/UIImageView+HighlightedWebCache.m
@@ -0,0 +1,59 @@
+/*
+ * This file is part of the SDWebImage package.
+ * (c) Olivier Poitrey <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+#import "UIImageView+HighlightedWebCache.h"
+#import "objc/runtime.h"
+
+static char operationKey;
+
+@implementation UIImageView (HighlightedWebCache)
+
+- (void)setHighlightedImageWithURL:(NSURL *)url {
+    [self setHighlightedImageWithURL:url options:0 progress:nil completed:nil];
+}
+
+- (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options {
+    [self setHighlightedImageWithURL:url options:options progress:nil completed:nil];
+}
+
+- (void)setHighlightedImageWithURL:(NSURL *)url completed:(SDWebImageCompletedBlock)completedBlock {
+    [self setImageWithURL:url placeholderImage:nil options:0 progress:nil completed:completedBlock];
+}
+
+- (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options completed:(SDWebImageCompletedBlock)completedBlock {
+    [self setHighlightedImageWithURL:url options:options progress:nil completed:completedBlock];
+}
+
+- (void)setHighlightedImageWithURL:(NSURL *)url options:(SDWebImageOptions)options progress:(SDWebImageDownloaderProgressBlock)progressBlock completed:(SDWebImageCompletedBlock)completedBlock {
+    [self cancelCurrentImageLoad];
+
+    if (url) {
+        __weak UIImageView      *wself    = self;
+        id<SDWebImageOperation> operation = [SDWebImageManager.sharedManager downloadWithURL:url
+                                                                                     options:options
+                                                                                    progress:progressBlock
+                                                                                   completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, BOOL finished)
+                                             {
+                                                 if (!wself) return;
+                                                 dispatch_main_sync_safe (^
+                                                                          {
+                                                                              if (!wself) return;
+                                                                              if (image) {
+                                                                                  wself.highlightedImage = image;
+                                                                                  [wself setNeedsLayout];
+                                                                              }
+                                                                              if (completedBlock && finished) {
+                                                                                  completedBlock(image, error, cacheType);
+                                                                              }
+                                                                          });
+                                             }];
+        objc_setAssociatedObject(self, &operationKey, operation, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+    }
+}
+
+@end