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A couple performance tweaks for animated images #trivial (#634)

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* A couple performance tweaks for animated images

* @nguyenhuy's comments

* Avoid calling animatedImageData twice. Thanks @maicki.

* Fix call to background deallocation

* Good catch by @Adlai-Holler
This commit is contained in:
Garrett Moon 2017-12-04 14:56:04 -08:00 committed by GitHub
parent c1f517a7eb
commit 0b6d41f872
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 64 additions and 46 deletions
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6
Source/ASImageNode+AnimatedImage.mm
View File

@ -55,6 +55,7 @@ NSString *const ASAnimatedImageDefaultRunLoopMode = NSRunLoopCommonModes;
}
id <ASAnimatedImageProtocol> previousAnimatedImage = _animatedImage;
_animatedImage = animatedImage;
if (animatedImage != nil) {
@ -80,6 +81,11 @@ NSString *const ASAnimatedImageDefaultRunLoopMode = NSRunLoopCommonModes;
}
[self animatedImageSet:_animatedImage previousAnimatedImage:previousAnimatedImage];
// Animated image can take while to dealloc, do it off the main queue
if (previousAnimatedImage != nil) {
ASPerformBackgroundDeallocation(&previousAnimatedImage);
}
}
- (void)animatedImageSet:(id <ASAnimatedImageProtocol>)newAnimatedImage previousAnimatedImage:(id <ASAnimatedImageProtocol>)previousAnimatedImage

18
Source/ASNetworkImageNode.mm
View File

@ -713,7 +713,7 @@
} else {
__weak __typeof__(self) weakSelf = self;
auto finished = ^(id <ASImageContainerProtocol>imageContainer, NSError *error, id downloadIdentifier, ASNetworkImageSource imageSource) {
ASPerformBlockOnBackgroundThread(^{
__typeof__(self) strongSelf = weakSelf;
if (strongSelf == nil) {
return;
@ -736,8 +736,9 @@
if (imageContainer != nil) {
[strongSelf _locked_setCurrentImageQuality:1.0];
if ([imageContainer asdk_animatedImageData] && strongSelf->_downloaderFlags.downloaderImplementsAnimatedImage) {
id animatedImage = [strongSelf->_downloader animatedImageWithData:[imageContainer asdk_animatedImageData]];
NSData *animatedImageData = [imageContainer asdk_animatedImageData];
if (animatedImageData && strongSelf->_downloaderFlags.downloaderImplementsAnimatedImage) {
id animatedImage = [strongSelf->_downloader animatedImageWithData:animatedImageData];
[strongSelf _locked_setAnimatedImage:animatedImage];
} else {
[strongSelf _locked__setImage:[imageContainer asdk_image]];
@ -748,6 +749,15 @@
strongSelf->_downloadIdentifier = nil;
strongSelf->_cacheUUID = nil;
ASPerformBlockOnMainThread(^{
__typeof__(self) strongSelf = weakSelf;
if (strongSelf == nil) {
return;
}
// Grab the lock for the rest of the block
ASDN::MutexLocker l(strongSelf->__instanceLock__);
if (imageContainer != nil) {
if (strongSelf->_delegateFlags.delegateDidLoadImageWithInfo) {
ASDN::MutexUnlocker u(strongSelf->__instanceLock__);
@ -762,6 +772,8 @@
ASDN::MutexUnlocker u(strongSelf->__instanceLock__);
[delegate imageNode:strongSelf didFailWithError:error];
}
});
});
};
// As the _cache and _downloader is only set once in the intializer we don't have to use a