//
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// MKAnnotationView+YYWebImage.m
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// YYWebImage <https://github.com/ibireme/YYWebImage>
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//
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// Created by ibireme on 15/2/23.
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// Copyright (c) 2015 ibireme.
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//
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// This source code is licensed under the MIT-style license found in the
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// LICENSE file in the root directory of this source tree.
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//
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#import "MKAnnotationView+YYWebImage.h"
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#import "YYWebImageOperation.h"
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#import "_YYWebImageSetter.h"
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#import <objc/runtime.h>
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// Dummy class for category
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@interface MKAnnotationView_YYWebImage : NSObject @end
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@implementation MKAnnotationView_YYWebImage @end
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static int _YYWebImageSetterKey;
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@implementation MKAnnotationView (YYWebImage)
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- (NSURL *)yy_imageURL {
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_YYWebImageSetter *setter = objc_getAssociatedObject(self, &_YYWebImageSetterKey);
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return setter.imageURL;
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}
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- (void)setYy_imageURL:(NSURL *)imageURL {
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[self yy_setImageWithURL:imageURL
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placeholder:nil
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options:kNilOptions
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manager:nil
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progress:nil
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transform:nil
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completion:nil];
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}
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- (void)yy_setImageWithURL:(NSURL *)imageURL placeholder:(UIImage *)placeholder {
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[self yy_setImageWithURL:imageURL
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placeholder:placeholder
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options:kNilOptions
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manager:nil
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progress:nil
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transform:nil
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completion:nil];
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}
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- (void)yy_setImageWithURL:(NSURL *)imageURL options:(YYWebImageOptions)options {
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[self yy_setImageWithURL:imageURL
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placeholder:nil
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options:options
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manager:nil
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progress:nil
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transform:nil
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completion:nil];
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}
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- (void)yy_setImageWithURL:(NSURL *)imageURL
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placeholder:(UIImage *)placeholder
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options:(YYWebImageOptions)options
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completion:(YYWebImageCompletionBlock)completion {
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[self yy_setImageWithURL:imageURL
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placeholder:placeholder
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options:options
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manager:nil
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progress:nil
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transform:nil
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completion:completion];
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}
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- (void)yy_setImageWithURL:(NSURL *)imageURL
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placeholder:(UIImage *)placeholder
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options:(YYWebImageOptions)options
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progress:(YYWebImageProgressBlock)progress
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transform:(YYWebImageTransformBlock)transform
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completion:(YYWebImageCompletionBlock)completion {
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[self yy_setImageWithURL:imageURL
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placeholder:placeholder
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options:options
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manager:nil
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progress:progress
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transform:transform
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completion:completion];
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}
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- (void)yy_setImageWithURL:(NSURL *)imageURL
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placeholder:(UIImage *)placeholder
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options:(YYWebImageOptions)options
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manager:(YYWebImageManager *)manager
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progress:(YYWebImageProgressBlock)progress
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transform:(YYWebImageTransformBlock)transform
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completion:(YYWebImageCompletionBlock)completion {
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if ([imageURL isKindOfClass:[NSString class]]) imageURL = [NSURL URLWithString:(id)imageURL];
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manager = manager ? manager : [YYWebImageManager sharedManager];
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_YYWebImageSetter *setter = objc_getAssociatedObject(self, &_YYWebImageSetterKey);
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if (!setter) {
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setter = [_YYWebImageSetter new];
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objc_setAssociatedObject(self, &_YYWebImageSetterKey, setter, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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int32_t sentinel = [setter cancelWithNewURL:imageURL];
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_yy_dispatch_sync_on_main_queue(^{
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if ((options & YYWebImageOptionSetImageWithFadeAnimation) &&
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!(options & YYWebImageOptionAvoidSetImage)) {
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if (!self.highlighted) {
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[self.layer removeAnimationForKey:_YYWebImageFadeAnimationKey];
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}
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}
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if (!imageURL) {
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if (!(options & YYWebImageOptionIgnorePlaceHolder)) {
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self.image = placeholder;
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}
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return;
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}
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// get the image from memory as quickly as possible
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UIImage *imageFromMemory = nil;
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if (manager.cache &&
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!(options & YYWebImageOptionUseNSURLCache) &&
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!(options & YYWebImageOptionRefreshImageCache)) {
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imageFromMemory = [manager.cache getImageForKey:[manager cacheKeyForURL:imageURL] withType:YYImageCacheTypeMemory];
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}
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if (imageFromMemory) {
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if (!(options & YYWebImageOptionAvoidSetImage)) {
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self.image = imageFromMemory;
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}
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if(completion) completion(imageFromMemory, imageURL, YYWebImageFromMemoryCacheFast, YYWebImageStageFinished, nil);
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return;
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}
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if (!(options & YYWebImageOptionIgnorePlaceHolder)) {
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self.image = placeholder;
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}
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__weak typeof(self) _self = self;
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dispatch_async([_YYWebImageSetter setterQueue], ^{
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YYWebImageProgressBlock _progress = nil;
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if (progress) _progress = ^(NSInteger receivedSize, NSInteger expectedSize) {
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dispatch_async(dispatch_get_main_queue(), ^{
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progress(receivedSize, expectedSize);
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});
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};
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__block int32_t newSentinel = 0;
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__block __weak typeof(setter) weakSetter = nil;
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YYWebImageCompletionBlock _completion = ^(UIImage *image, NSURL *url, YYWebImageFromType from, YYWebImageStage stage, NSError *error) {
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__strong typeof(_self) self = _self;
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BOOL setImage = (stage == YYWebImageStageFinished || stage == YYWebImageStageProgress) && image && !(options & YYWebImageOptionAvoidSetImage);
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BOOL showFade = ((options & YYWebImageOptionSetImageWithFadeAnimation) && !self.highlighted);
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dispatch_async(dispatch_get_main_queue(), ^{
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BOOL sentinelChanged = weakSetter && weakSetter.sentinel != newSentinel;
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if (setImage && self && !sentinelChanged) {
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if (showFade) {
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CATransition *transition = [CATransition animation];
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transition.duration = stage == YYWebImageStageFinished ? _YYWebImageFadeTime : _YYWebImageProgressiveFadeTime;
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transition.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
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transition.type = kCATransitionFade;
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[self.layer addAnimation:transition forKey:_YYWebImageFadeAnimationKey];
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}
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self.image = image;
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}
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if (completion) {
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if (sentinelChanged) {
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completion(nil, url, YYWebImageFromNone, YYWebImageStageCancelled, nil);
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} else {
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completion(image, url, from, stage, error);
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}
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}
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});
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};
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newSentinel = [setter setOperationWithSentinel:sentinel url:imageURL options:options manager:manager progress:_progress transform:transform completion:_completion];
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weakSetter = setter;
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});
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});
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}
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- (void)yy_cancelCurrentImageRequest {
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_YYWebImageSetter *setter = objc_getAssociatedObject(self, &_YYWebImageSetterKey);
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if (setter) [setter cancel];
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}
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@end
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