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Refactored RCTImageDownloader to use RCTNetworking instead of a separate download system

This commit is contained in:
Nick Lockwood 2015-07-27 13:46:59 -07:00
parent 3cff9be3d1
commit 1d852624fd
11 changed files with 159 additions and 326 deletions
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21
Libraries/Image/RCTDownloadTaskWrapper.h
View File

@ -1,21 +0,0 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <Foundation/Foundation.h>
typedef void (^RCTDataCompletionBlock)(NSURLResponse *response, NSData *data, NSError *error);
typedef void (^RCTDataProgressBlock)(int64_t written, int64_t total);
@interface RCTDownloadTaskWrapper : NSObject <NSURLSessionDownloadDelegate>
- (instancetype)initWithSessionConfiguration:(NSURLSessionConfiguration *)configuration delegateQueue:(NSOperationQueue *)delegateQueue;
- (NSURLSessionDownloadTask *)downloadData:(NSURL *)url progressBlock:(RCTDataProgressBlock)progressBlock completionBlock:(RCTDataCompletionBlock)completionBlock;
@end

98
Libraries/Image/RCTDownloadTaskWrapper.m
View File

@ -1,98 +0,0 @@
/**
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "RCTDownloadTaskWrapper.h"
#import <objc/runtime.h>
@interface NSObject (RCTDownloadTaskWrapper)
@property (nonatomic, copy) RCTDataCompletionBlock reactCompletionBlock;
@property (nonatomic, copy) RCTDataProgressBlock reactProgressBlock;
@end
@implementation NSObject (RCTDownloadTaskWrapper)
- (RCTDataCompletionBlock)reactCompletionBlock
{
return objc_getAssociatedObject(self, _cmd);
}
- (void)setReactCompletionBlock:(RCTDataCompletionBlock)completionBlock
{
objc_setAssociatedObject(self, @selector(reactCompletionBlock), completionBlock, OBJC_ASSOCIATION_COPY_NONATOMIC);
}
- (RCTDataProgressBlock)reactProgressBlock
{
return objc_getAssociatedObject(self, _cmd);
}
- (void)setReactProgressBlock:(RCTDataProgressBlock)progressBlock
{
objc_setAssociatedObject(self, @selector(reactProgressBlock), progressBlock, OBJC_ASSOCIATION_COPY_NONATOMIC);
}
@end
@implementation RCTDownloadTaskWrapper
{
NSURLSession *_URLSession;
}
- (instancetype)initWithSessionConfiguration:(NSURLSessionConfiguration *)configuration delegateQueue:(NSOperationQueue *)delegateQueue
{
if ((self = [super init])) {
_URLSession = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:nil];
}
return self;
}
- (NSURLSessionDownloadTask *)downloadData:(NSURL *)url progressBlock:(RCTDataProgressBlock)progressBlock completionBlock:(RCTDataCompletionBlock)completionBlock
{
NSURLSessionDownloadTask *task = [_URLSession downloadTaskWithURL:url];
task.reactCompletionBlock = completionBlock;
task.reactProgressBlock = progressBlock;
return task;
}
#pragma mark - NSURLSessionTaskDelegate methods
- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didFinishDownloadingToURL:(NSURL *)location
{
if (downloadTask.reactCompletionBlock) {
NSData *data = [NSData dataWithContentsOfURL:location];
dispatch_async(dispatch_get_main_queue(), ^{
downloadTask.reactCompletionBlock(downloadTask.response, data, nil);
});
}
}
- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask didWriteData:(int64_t)didWriteData totalBytesWritten:(int64_t)totalBytesWritten totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite;
{
if (downloadTask.reactProgressBlock) {
dispatch_async(dispatch_get_main_queue(), ^{
downloadTask.reactProgressBlock(totalBytesWritten, totalBytesExpectedToWrite);
});
}
}
- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(NSError *)error
{
if (error && task.reactCompletionBlock) {
dispatch_async(dispatch_get_main_queue(), ^{
task.reactCompletionBlock(nil, nil, error);
});
}
}
@end

8
Libraries/Image/RCTImage.xcodeproj/project.pbxproj
View File

@ -7,7 +7,6 @@
objects = {
/* Begin PBXBuildFile section */
03559E7F1B064DAF00730281 /* RCTDownloadTaskWrapper.m in Sources */ = {isa = PBXBuildFile; fileRef = 03559E7E1B064DAF00730281 /* RCTDownloadTaskWrapper.m */; };
1304D5AB1AA8C4A30002E2BE /* RCTImageView.m in Sources */ = {isa = PBXBuildFile; fileRef = 1304D5A81AA8C4A30002E2BE /* RCTImageView.m */; };
1304D5AC1AA8C4A30002E2BE /* RCTImageViewManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 1304D5AA1AA8C4A30002E2BE /* RCTImageViewManager.m */; };
1304D5B21AA8C50D0002E2BE /* RCTGIFImage.m in Sources */ = {isa = PBXBuildFile; fileRef = 1304D5B11AA8C50D0002E2BE /* RCTGIFImage.m */; };
@ -33,8 +32,6 @@
/* End PBXCopyFilesBuildPhase section */
/* Begin PBXFileReference section */
03559E7D1B064D3A00730281 /* RCTDownloadTaskWrapper.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = RCTDownloadTaskWrapper.h; sourceTree = "<group>"; };
03559E7E1B064DAF00730281 /* RCTDownloadTaskWrapper.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTDownloadTaskWrapper.m; sourceTree = "<group>"; };
1304D5A71AA8C4A30002E2BE /* RCTImageView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTImageView.h; sourceTree = "<group>"; };
1304D5A81AA8C4A30002E2BE /* RCTImageView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTImageView.m; sourceTree = "<group>"; };
1304D5A91AA8C4A30002E2BE /* RCTImageViewManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTImageViewManager.h; sourceTree = "<group>"; };
@ -74,8 +71,6 @@
children = (
143879331AAD238D00F088A5 /* RCTCameraRollManager.h */,
143879341AAD238D00F088A5 /* RCTCameraRollManager.m */,
03559E7D1B064D3A00730281 /* RCTDownloadTaskWrapper.h */,
03559E7E1B064DAF00730281 /* RCTDownloadTaskWrapper.m */,
1304D5B01AA8C50D0002E2BE /* RCTGIFImage.h */,
1304D5B11AA8C50D0002E2BE /* RCTGIFImage.m */,
58B511891A9E6BD600147676 /* RCTImageDownloader.h */,
@ -172,7 +167,6 @@
1304D5B21AA8C50D0002E2BE /* RCTGIFImage.m in Sources */,
143879351AAD238D00F088A5 /* RCTCameraRollManager.m in Sources */,
143879381AAD32A300F088A5 /* RCTImageLoader.m in Sources */,
03559E7F1B064DAF00730281 /* RCTDownloadTaskWrapper.m in Sources */,
1304D5AB1AA8C4A30002E2BE /* RCTImageView.m in Sources */,
134B00A21B54232B00EC8DFB /* RCTImageUtils.m in Sources */,
);
@ -275,6 +269,7 @@
"$(inherited)",
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/../../React/**",
"$(SRCROOT)/../Network/**",
);
LIBRARY_SEARCH_PATHS = (
"$(inherited)",
@ -295,6 +290,7 @@
"$(inherited)",
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include,
"$(SRCROOT)/../../React/**",
"$(SRCROOT)/../Network/**",
);
LIBRARY_SEARCH_PATHS = (
"$(inherited)",

34
Libraries/Image/RCTImageDownloader.h
View File

@ -9,24 +9,10 @@
#import <UIKit/UIKit.h>
#import "RCTDownloadTaskWrapper.h"
#import "RCTBridge.h"
#import "RCTImageLoader.h"
typedef void (^RCTDataDownloadBlock)(NSData *data, NSError *error);
typedef void (^RCTImageDownloadBlock)(UIImage *image, NSError *error);
typedef void (^RCTImageDownloadCancellationBlock)(void);
@interface RCTImageDownloader : NSObject
+ (RCTImageDownloader *)sharedInstance;
/**
* Downloads a block of raw data and returns it. Note that the callback block
* will not be executed on the same thread you called the method from, nor on
* the main thread. Returns a token that can be used to cancel the download.
*/
- (RCTImageDownloadCancellationBlock)downloadDataForURL:(NSURL *)url
progressBlock:(RCTDataProgressBlock)progressBlock
block:(RCTDataDownloadBlock)block;
@interface RCTImageDownloader : NSObject <RCTBridgeModule>
/**
* Downloads an image and decompresses it a the size specified. The compressed
@ -34,13 +20,17 @@ typedef void (^RCTImageDownloadCancellationBlock)(void);
* will not be executed on the same thread you called the method from, nor on
* the main thread. Returns a token that can be used to cancel the download.
*/
- (RCTImageDownloadCancellationBlock)downloadImageForURL:(NSURL *)url
- (RCTImageLoaderCancellationBlock)downloadImageForURL:(NSURL *)url
size:(CGSize)size
scale:(CGFloat)scale
resizeMode:(UIViewContentMode)resizeMode
tintColor:(UIColor *)tintColor
backgroundColor:(UIColor *)backgroundColor
progressBlock:(RCTDataProgressBlock)progressBlock
block:(RCTImageDownloadBlock)block;
progressBlock:(RCTImageLoaderProgressBlock)progressBlock
completionBlock:(RCTImageLoaderCompletionBlock)block;
@end
@interface RCTBridge (RCTImageDownloader)
@property (nonatomic, readonly) RCTImageDownloader *imageDownloader;
@end

160
Libraries/Image/RCTImageDownloader.m
View File

@ -9,14 +9,12 @@
#import "RCTImageDownloader.h"
#import "RCTDownloadTaskWrapper.h"
#import "RCTGIFImage.h"
#import "RCTImageUtils.h"
#import "RCTLog.h"
#import "RCTNetworking.h"
#import "RCTUtils.h"
typedef void (^RCTCachedDataDownloadBlock)(BOOL cached, NSURLResponse *response,
NSData *data, NSError *error);
CGSize RCTTargetSizeForClipRect(CGRect);
CGRect RCTClipRect(CGSize, CGFloat, CGSize, CGFloat, UIViewContentMode);
@ -24,10 +22,12 @@ CGRect RCTClipRect(CGSize, CGFloat, CGSize, CGFloat, UIViewContentMode);
{
NSURLCache *_cache;
dispatch_queue_t _processingQueue;
NSMutableDictionary *_pendingBlocks;
RCTDownloadTaskWrapper *_downloadTaskWrapper;
}
@synthesize bridge = _bridge;
RCT_EXPORT_MODULE()
+ (RCTImageDownloader *)sharedInstance
{
static RCTImageDownloader *sharedInstance;
@ -43,47 +43,26 @@ CGRect RCTClipRect(CGSize, CGFloat, CGSize, CGFloat, UIViewContentMode);
if ((self = [super init])) {
_cache = [[NSURLCache alloc] initWithMemoryCapacity:5 * 1024 * 1024 diskCapacity:200 * 1024 * 1024 diskPath:@"React/RCTImageDownloader"];
_processingQueue = dispatch_queue_create("com.facebook.React.DownloadProcessingQueue", DISPATCH_QUEUE_SERIAL);
_pendingBlocks = [[NSMutableDictionary alloc] init];
NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
_downloadTaskWrapper = [[RCTDownloadTaskWrapper alloc] initWithSessionConfiguration:config delegateQueue:nil];
}
return self;
}
- (RCTImageDownloadCancellationBlock)_downloadDataForURL:(NSURL *)url
progressBlock:progressBlock
block:(RCTCachedDataDownloadBlock)block
/**
* Downloads a block of raw data and returns it. Note that the callback block
* will not be executed on the same thread you called the method from, nor on
* the main thread. Returns a token that can be used to cancel the download.
*/
- (RCTImageLoaderCancellationBlock)downloadDataForURL:(NSURL *)url
progressBlock:(RCTImageLoaderProgressBlock)progressBlock
completionBlock:(RCTImageLoaderCompletionBlock)completionBlock
{
NSString *const cacheKey = url.absoluteString;
__block BOOL cancelled = NO;
__block NSURLSessionDownloadTask *task = nil;
RCTImageDownloadCancellationBlock cancel = ^{
cancelled = YES;
dispatch_async(_processingQueue, ^{
NSMutableArray *pendingBlocks = self->_pendingBlocks[cacheKey];
[pendingBlocks removeObject:block];
});
if (task) {
[task cancel];
task = nil;
if (![_bridge respondsToSelector:NSSelectorFromString(@"networking")]) {
RCTLogError(@"You need to import the RCTNetworking library in order to download remote images.");
return ^{};
}
};
dispatch_async(_processingQueue, ^{
NSMutableArray *pendingBlocks = _pendingBlocks[cacheKey];
if (pendingBlocks) {
[pendingBlocks addObject:block];
} else {
_pendingBlocks[cacheKey] = [NSMutableArray arrayWithObject:block];
__weak RCTImageDownloader *weakSelf = self;
RCTCachedDataDownloadBlock runBlocks = ^(BOOL cached, NSURLResponse *response, NSData *data, NSError *error) {
RCTURLRequestCompletionBlock runBlocks = ^(NSURLResponse *response, NSData *data, NSError *error) {
if (!error && [response isKindOfClass:[NSHTTPURLResponse class]]) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
@ -96,69 +75,56 @@ CGRect RCTClipRect(CGSize, CGFloat, CGSize, CGFloat, UIViewContentMode);
}
dispatch_async(_processingQueue, ^{
RCTImageDownloader *strongSelf = weakSelf;
NSArray *blocks = strongSelf->_pendingBlocks[cacheKey];
[strongSelf->_pendingBlocks removeObjectForKey:cacheKey];
for (RCTCachedDataDownloadBlock downloadBlock in blocks) {
downloadBlock(cached, response, data, error);
}
completionBlock(error, data);
});
};
NSURLRequest *request = [NSURLRequest requestWithURL:url];
task = [_downloadTaskWrapper downloadData:url progressBlock:progressBlock completionBlock:^(NSURLResponse *response, NSData *data, NSError *error) {
if (!cancelled) {
runBlocks(NO, response, data, error);
{
NSCachedURLResponse *cachedResponse = [_cache cachedResponseForRequest:request];
if (cachedResponse) {
runBlocks(cachedResponse.response, cachedResponse.data, nil);
return ^{};
}
}
RCTDownloadTask *task = [_bridge.networking downloadTaskWithRequest:request completionBlock:^(NSURLResponse *response, NSData *data, NSError *error) {
if (response && !error) {
RCTImageDownloader *strongSelf = weakSelf;
NSCachedURLResponse *cachedResponse = [[NSCachedURLResponse alloc] initWithResponse:response data:data userInfo:nil storagePolicy:NSURLCacheStorageAllowed];
[strongSelf->_cache storeCachedResponse:cachedResponse forRequest:request];
}
task = nil;
runBlocks(response, data, error);
}];
NSCachedURLResponse *cachedResponse = [_cache cachedResponseForRequest:request];
if (cancelled) {
return;
if (progressBlock) {
task.downloadProgressBlock = progressBlock;
}
return ^{ [task cancel]; };
}
if (cachedResponse) {
runBlocks(YES, cachedResponse.response, cachedResponse.data, nil);
} else {
[task resume];
}
}
});
return [cancel copy];
}
- (RCTImageDownloadCancellationBlock)downloadDataForURL:(NSURL *)url
progressBlock:(RCTDataProgressBlock)progressBlock
block:(RCTDataDownloadBlock)block
{
return [self _downloadDataForURL:url progressBlock:progressBlock block:^(BOOL cached, NSURLResponse *response, NSData *data, NSError *error) {
block(data, error);
}];
}
- (RCTImageDownloadCancellationBlock)downloadImageForURL:(NSURL *)url
- (RCTImageLoaderCancellationBlock)downloadImageForURL:(NSURL *)url
size:(CGSize)size
scale:(CGFloat)scale
resizeMode:(UIViewContentMode)resizeMode
tintColor:(UIColor *)tintColor
backgroundColor:(UIColor *)backgroundColor
progressBlock:(RCTDataProgressBlock)progressBlock
block:(RCTImageDownloadBlock)block
progressBlock:(RCTImageLoaderProgressBlock)progressBlock
completionBlock:(RCTImageLoaderCompletionBlock)completionBlock
{
scale = scale ?: RCTScreenScale();
return [self downloadDataForURL:url progressBlock:progressBlock block:^(NSData *data, NSError *error) {
return [self downloadDataForURL:url progressBlock:progressBlock completionBlock:^(NSError *error, id data) {
if (!data || error) {
block(nil, error);
completionBlock(error, nil);
return;
}
if ([url.path.lowercaseString hasSuffix:@".gif"]) {
id image = RCTGIFImageWithData(data);
if (!image && !error) {
NSString *errorMessage = [NSString stringWithFormat:@"Unable to load GIF image: %@", url];
error = RCTErrorWithMessage(errorMessage);
}
completionBlock(error, image);
return;
}
@ -169,35 +135,25 @@ CGRect RCTClipRect(CGSize, CGFloat, CGSize, CGFloat, UIViewContentMode);
CGRect imageRect = RCTClipRect(image.size, scale, size, scale, resizeMode);
CGSize destSize = RCTTargetSizeForClipRect(imageRect);
// Opacity optimizations
UIColor *blendColor = nil;
BOOL opaque = !RCTImageHasAlpha(image.CGImage);
if (!opaque && backgroundColor) {
CGFloat alpha;
[backgroundColor getRed:NULL green:NULL blue:NULL alpha:&alpha];
if (alpha > 0.999) { // no benefit to blending if background is translucent
opaque = YES;
blendColor = backgroundColor;
}
}
// Decompress image at required size
BOOL opaque = !RCTImageHasAlpha(image.CGImage);
UIGraphicsBeginImageContextWithOptions(destSize, opaque, scale);
if (blendColor) {
[blendColor setFill];
UIRectFill((CGRect){CGPointZero, destSize});
}
if (tintColor) {
image = [image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
[tintColor setFill];
}
[image drawInRect:imageRect];
image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
}
block(image, nil);
completionBlock(nil, image);
}];
}
@end
@implementation RCTBridge (RCTImageDownloader)
- (RCTImageDownloader *)imageDownloader
{
return self.modules[RCTBridgeModuleNameForClass([RCTImageDownloader class])];
}
@end

6
Libraries/Image/RCTImageLoader.h
View File

@ -13,7 +13,7 @@
@class ALAssetsLibrary;
typedef void (^RCTImageLoaderProgressBlock)(int64_t written, int64_t total);
typedef void (^RCTImageLoaderProgressBlock)(int64_t progress, int64_t total);
typedef void (^RCTImageLoaderCompletionBlock)(NSError *error, id image /* UIImage or CAAnimation */);
typedef void (^RCTImageLoaderCancellationBlock)(void);
@ -34,8 +34,8 @@ typedef void (^RCTImageLoaderCancellationBlock)(void);
size:(CGSize)size
scale:(CGFloat)scale
resizeMode:(UIViewContentMode)resizeMode
progressBlock:(RCTImageLoaderProgressBlock)progress
completionBlock:(RCTImageLoaderCompletionBlock)completion;
progressBlock:(RCTImageLoaderProgressBlock)progressBlock
completionBlock:(RCTImageLoaderCompletionBlock)completionBlock;
/**
* Is the specified image tag an asset library image?

45
Libraries/Image/RCTImageLoader.m
View File

@ -123,8 +123,8 @@ static UIImage *RCTScaledImageForAsset(ALAssetRepresentation *representation,
size:(CGSize)size
scale:(CGFloat)scale
resizeMode:(UIViewContentMode)resizeMode
progressBlock:(RCTImageLoaderProgressBlock)progress
completionBlock:(RCTImageLoaderCompletionBlock)completion
progressBlock:(RCTImageLoaderProgressBlock)progressBlock
completionBlock:(RCTImageLoaderCompletionBlock)completionBlock
{
if ([imageTag hasPrefix:@"assets-library://"]) {
[[self assetsLibrary] assetForURL:[NSURL URLWithString:imageTag] resultBlock:^(ALAsset *asset) {
@ -151,18 +151,18 @@ static UIImage *RCTScaledImageForAsset(ALAssetRepresentation *representation,
image = RCTScaledImageForAsset(representation, size, scale, resizeMode, &error);
}
RCTDispatchCallbackOnMainQueue(completion, error, image);
RCTDispatchCallbackOnMainQueue(completionBlock, error, image);
}
});
} else {
NSString *errorText = [NSString stringWithFormat:@"Failed to load asset at URL %@ with no error message.", imageTag];
NSError *error = RCTErrorWithMessage(errorText);
RCTDispatchCallbackOnMainQueue(completion, error, nil);
RCTDispatchCallbackOnMainQueue(completionBlock, error, nil);
}
} failureBlock:^(NSError *loadError) {
NSString *errorText = [NSString stringWithFormat:@"Failed to load asset at URL %@.\niOS Error: %@", imageTag, loadError];
NSError *error = RCTErrorWithMessage(errorText);
RCTDispatchCallbackOnMainQueue(completion, error, nil);
RCTDispatchCallbackOnMainQueue(completionBlock, error, nil);
}];
return ^{};
} else if ([imageTag hasPrefix:@"ph://"]) {
@ -175,7 +175,7 @@ static UIImage *RCTScaledImageForAsset(ALAssetRepresentation *representation,
if (results.count == 0) {
NSString *errorText = [NSString stringWithFormat:@"Failed to fetch PHAsset with local identifier %@ with no error message.", phAssetID];
NSError *error = RCTErrorWithMessage(errorText);
RCTDispatchCallbackOnMainQueue(completion, error, nil);
RCTDispatchCallbackOnMainQueue(completionBlock, error, nil);
return ^{};
}
@ -200,11 +200,11 @@ static UIImage *RCTScaledImageForAsset(ALAssetRepresentation *representation,
}
[[PHImageManager defaultManager] requestImageForAsset:asset targetSize:targetSize contentMode:contentMode options:imageOptions resultHandler:^(UIImage *result, NSDictionary *info) {
if (result) {
RCTDispatchCallbackOnMainQueue(completion, nil, result);
RCTDispatchCallbackOnMainQueue(completionBlock, nil, result);
} else {
NSString *errorText = [NSString stringWithFormat:@"Failed to load PHAsset with local identifier %@ with no error message.", phAssetID];
NSError *error = RCTErrorWithMessage(errorText);
RCTDispatchCallbackOnMainQueue(completion, error, nil);
RCTDispatchCallbackOnMainQueue(completionBlock, error, nil);
return;
}
}];
@ -213,52 +213,41 @@ static UIImage *RCTScaledImageForAsset(ALAssetRepresentation *representation,
NSURL *url = [NSURL URLWithString:imageTag];
if (!url) {
NSString *errorMessage = [NSString stringWithFormat:@"Invalid URL: %@", imageTag];
RCTDispatchCallbackOnMainQueue(completion, RCTErrorWithMessage(errorMessage), nil);
RCTDispatchCallbackOnMainQueue(completionBlock, RCTErrorWithMessage(errorMessage), nil);
return ^{};
}
if ([imageTag.lowercaseString hasSuffix:@".gif"]) {
return [[RCTImageDownloader sharedInstance] downloadDataForURL:url progressBlock:progress block:^(NSData *data, NSError *error) {
id image = RCTGIFImageWithFileURL([RCTConvert NSURL:imageTag]);
if (!image && !error) {
NSString *errorMessage = [NSString stringWithFormat:@"Unable to load GIF image: %@", imageTag];
error = RCTErrorWithMessage(errorMessage);
}
RCTDispatchCallbackOnMainQueue(completion, error, image);
return [_bridge.imageDownloader downloadImageForURL:url size:size scale:scale resizeMode:resizeMode progressBlock:progressBlock completionBlock:^(NSError *error, id image) {
RCTDispatchCallbackOnMainQueue(completionBlock, error, image);
}];
} else {
return [[RCTImageDownloader sharedInstance] downloadImageForURL:url size:size scale:scale resizeMode:resizeMode tintColor:nil backgroundColor:nil progressBlock:progress block:^(UIImage *image, NSError *error) {
RCTDispatchCallbackOnMainQueue(completion, error, image);
}];
}
} else if ([imageTag hasPrefix:@"rct-image-store://"]) {
[_bridge.imageStoreManager getImageForTag:imageTag withBlock:^(UIImage *image) {
if (image) {
RCTDispatchCallbackOnMainQueue(completion, nil, image);
RCTDispatchCallbackOnMainQueue(completionBlock, nil, image);
} else {
NSString *errorMessage = [NSString stringWithFormat:@"Unable to load image from image store: %@", imageTag];
NSError *error = RCTErrorWithMessage(errorMessage);
RCTDispatchCallbackOnMainQueue(completion, error, nil);
RCTDispatchCallbackOnMainQueue(completionBlock, error, nil);
}
}];
return ^{};
} else if ([imageTag.lowercaseString hasSuffix:@".gif"]) {
id image = RCTGIFImageWithFileURL([RCTConvert NSURL:imageTag]);
if (image) {
RCTDispatchCallbackOnMainQueue(completion, nil, image);
RCTDispatchCallbackOnMainQueue(completionBlock, nil, image);
} else {
NSString *errorMessage = [NSString stringWithFormat:@"Unable to load GIF image: %@", imageTag];
NSError *error = RCTErrorWithMessage(errorMessage);
RCTDispatchCallbackOnMainQueue(completion, error, nil);
RCTDispatchCallbackOnMainQueue(completionBlock, error, nil);
}
return ^{};
} else {
UIImage *image = [RCTConvert UIImage:imageTag];
if (image) {
RCTDispatchCallbackOnMainQueue(completion, nil, image);
RCTDispatchCallbackOnMainQueue(completionBlock, nil, image);
} else {
NSString *errorMessage = [NSString stringWithFormat:@"Unrecognized tag protocol: %@", imageTag];
NSError *error = RCTErrorWithMessage(errorMessage);
RCTDispatchCallbackOnMainQueue(completion, error, nil);
RCTDispatchCallbackOnMainQueue(completionBlock, error, nil);
}
return ^{};
}

4
Libraries/Image/RCTImageView.m
View File

@ -113,8 +113,8 @@ RCT_NOT_IMPLEMENTED(-init)
progressHandler = ^(int64_t loaded, int64_t total) {
NSDictionary *event = @{
@"target": self.reactTag,
@"loaded": @(loaded),
@"total": @(total),
@"loaded": @((double)loaded),
@"total": @((double)total),
};
[_bridge.eventDispatcher sendInputEventWithName:@"progress" body:event];
};

2
Libraries/Network/RCTDownloadTask.h
View File

@ -15,7 +15,7 @@
typedef void (^RCTURLRequestCompletionBlock)(NSURLResponse *response, NSData *data, NSError *error);
typedef void (^RCTURLRequestCancellationBlock)(void);
typedef void (^RCTURLRequestIncrementalDataBlock)(NSData *data);
typedef void (^RCTURLRequestProgressBlock)(double progress, double total);
typedef void (^RCTURLRequestProgressBlock)(int64_t progress, int64_t total);
typedef void (^RCTURLRequestResponseBlock)(NSURLResponse *response);
@interface RCTDownloadTask : NSObject <RCTURLRequestDelegate>

12
Libraries/Network/RCTNetworking.h
View File

@ -9,8 +9,18 @@
#import <Foundation/Foundation.h>
#import "RCTBridgeModule.h"
#import "RCTBridge.h"
#import "RCTDownloadTask.h"
@interface RCTNetworking : NSObject <RCTBridgeModule>
- (RCTDownloadTask *)downloadTaskWithRequest:(NSURLRequest *)request
completionBlock:(RCTURLRequestCompletionBlock)completionBlock;
@end
@interface RCTBridge (RCTNetworking)
@property (nonatomic, readonly) RCTNetworking *networking;
@end

45
Libraries/Network/RCTNetworking.m
View File

@ -233,13 +233,8 @@ RCT_EXPORT_MODULE()
NSURLRequest *request = [RCTConvert NSURLRequest:query[@"uri"]];
if (request) {
id<RCTURLRequestHandler> handler = [self handlerForRequest:request];
if (!handler) {
return callback(nil, nil);
}
__block RCTURLRequestCancellationBlock cancellationBlock = nil;
RCTDownloadTask *task = [[RCTDownloadTask alloc] initWithRequest:request handler:handler completionBlock:^(NSURLResponse *response, NSData *data, NSError *error) {
RCTDownloadTask *task = [self downloadTaskWithRequest:request completionBlock:^(NSURLResponse *response, NSData *data, NSError *error) {
cancellationBlock = callback(error, data ? @{@"body": data, @"contentType": RCTNullIfNil(response.MIMEType)} : nil);
}];
@ -291,16 +286,11 @@ RCT_EXPORT_MODULE()
incrementalUpdates:(BOOL)incrementalUpdates
responseSender:(RCTResponseSenderBlock)responseSender
{
id<RCTURLRequestHandler> handler = [self handlerForRequest:request];
if (!handler) {
return;
}
__block RCTDownloadTask *task;
RCTURLRequestProgressBlock uploadProgressBlock = ^(double progress, double total) {
RCTURLRequestProgressBlock uploadProgressBlock = ^(int64_t progress, int64_t total) {
dispatch_async(_methodQueue, ^{
NSArray *responseJSON = @[task.requestID, @(progress), @(total)];
NSArray *responseJSON = @[task.requestID, @((double)progress), @((double)total)];
[_bridge.eventDispatcher sendDeviceEventWithName:@"didSendNetworkData" body:responseJSON];
});
};
@ -345,10 +335,7 @@ RCT_EXPORT_MODULE()
});
};
task = [[RCTDownloadTask alloc] initWithRequest:request
handler:handler
completionBlock:completionBlock];
task = [self downloadTaskWithRequest:request completionBlock:completionBlock];
task.incrementalDataBlock = incrementalDataBlock;
task.responseBlock = responseBlock;
task.uploadProgressBlock = uploadProgressBlock;
@ -359,6 +346,21 @@ RCT_EXPORT_MODULE()
}
}
#pragma mark - Public API
- (RCTDownloadTask *)downloadTaskWithRequest:(NSURLRequest *)request
completionBlock:(RCTURLRequestCompletionBlock)completionBlock
{
id<RCTURLRequestHandler> handler = [self handlerForRequest:request];
if (!handler) {
return nil;
}
return [[RCTDownloadTask alloc] initWithRequest:request
handler:handler
completionBlock:completionBlock];
}
#pragma mark - JS API
RCT_EXPORT_METHOD(sendRequest:(NSDictionary *)query
@ -383,3 +385,12 @@ RCT_EXPORT_METHOD(cancelRequest:(NSNumber *)requestID)
}
@end
@implementation RCTBridge (RCTNetworking)
- (RCTNetworking *)networking
{
return self.modules[RCTBridgeModuleNameForClass([RCTNetworking class])];
}
@end