139 lines
6.2 KiB
Objective-C
139 lines
6.2 KiB
Objective-C
// UIProgressView+AFNetworking.m
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//
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// Copyright (c) 2013 AFNetworking (http://afnetworking.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "UIProgressView+AFNetworking.h"
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#import "AFURLConnectionOperation.h"
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static void * AFTaskCountOfBytesSentContext = &AFTaskCountOfBytesSentContext;
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static void * AFTaskCountOfBytesReceivedContext = &AFTaskCountOfBytesReceivedContext;
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@interface AFURLConnectionOperation (_UIProgressView)
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@property (readwrite, nonatomic, copy) void (^uploadProgress)(NSUInteger bytes, long long totalBytes, long long totalBytesExpected);
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@property (readwrite, nonatomic, copy) void (^downloadProgress)(NSUInteger bytes, long long totalBytes, long long totalBytesExpected);
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@end
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@implementation AFURLConnectionOperation (_UIProgressView)
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@dynamic uploadProgress;
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@dynamic downloadProgress;
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@end
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#pragma mark -
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@interface UIProgressView (_AFNetworking) <NSURLSessionDownloadDelegate>
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- (void)_af_observeValueForKeyPath:(NSString *)keyPath
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ofObject:(id)object
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change:(NSDictionary *)change
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context:(void *)context;
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@end
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@implementation UIProgressView (AFNetworking)
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- (void)setProgressWithUploadProgressOfTask:(NSURLSessionUploadTask *)task
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animated:(BOOL)animated
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{
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[task addObserver:self forKeyPath:@"state" options:NSKeyValueObservingOptionOld|NSKeyValueObservingOptionNew context:AFTaskCountOfBytesSentContext];
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[task addObserver:self forKeyPath:@"countOfBytesSent" options:NSKeyValueObservingOptionOld|NSKeyValueObservingOptionNew context:AFTaskCountOfBytesSentContext];
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}
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- (void)setProgressWithDownloadProgressOfTask:(NSURLSessionDownloadTask *)task
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animated:(BOOL)animated
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{
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[task addObserver:self forKeyPath:@"state" options:NSKeyValueObservingOptionOld|NSKeyValueObservingOptionNew context:AFTaskCountOfBytesReceivedContext];
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[task addObserver:self forKeyPath:@"countOfBytesReceived" options:NSKeyValueObservingOptionOld|NSKeyValueObservingOptionNew context:AFTaskCountOfBytesReceivedContext];
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}
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#pragma mark -
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- (void)setProgressWithUploadProgressOfOperation:(AFURLConnectionOperation *)operation
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animated:(BOOL)animated
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{
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__weak __typeof(self)weakSelf = self;
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void (^original)(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite) = [operation.uploadProgress copy];
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[operation setUploadProgressBlock:^(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite) {
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if (original) {
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original(bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);
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}
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dispatch_async(dispatch_get_main_queue(), ^{
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if (totalBytesExpectedToWrite > 0) {
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[weakSelf setProgress:(totalBytesWritten / (totalBytesExpectedToWrite * 1.0f)) animated:animated];
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}
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});
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}];
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}
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- (void)setProgressWithDownloadProgressOfOperation:(AFURLConnectionOperation *)operation
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animated:(BOOL)animated
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{
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__weak __typeof(self)weakSelf = self;
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void (^original)(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead) = [operation.downloadProgress copy];
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[operation setDownloadProgressBlock:^(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead) {
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if (original) {
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original(bytesRead, totalBytesRead, totalBytesExpectedToRead);
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}
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dispatch_async(dispatch_get_main_queue(), ^{
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if (totalBytesExpectedToRead > 0) {
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[weakSelf setProgress:(totalBytesRead / (totalBytesExpectedToRead * 1.0f)) animated:animated];
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}
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});
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}];
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}
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#pragma mark - NSKeyValueObserving
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- (void)observeValueForKeyPath:(NSString *)keyPath
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ofObject:(id)object
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change:(NSDictionary *)change
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context:(void *)context
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{
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if (context == AFTaskCountOfBytesSentContext || context == AFTaskCountOfBytesReceivedContext) {
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if ([keyPath isEqualToString:@"countOfBytesSent"]) {
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if ([object countOfBytesExpectedToSend] > 0) {
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self.progress = [object countOfBytesSent] / ([object countOfBytesExpectedToSend] * 1.0f);
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}
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} else if ([keyPath isEqualToString:@"countOfBytesReceived"]) {
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if ([object countOfBytesExpectedToReceive] > 0) {
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self.progress = [object countOfBytesReceived] / ([object countOfBytesExpectedToReceive] * 1.0f);
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}
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} else if ([keyPath isEqualToString:@"state"]) {
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if ([object state] == NSURLSessionTaskStateCompleted) {
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@try {
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[object removeObserver:self forKeyPath:@"state"];
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if (context == AFTaskCountOfBytesSentContext) {
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[object removeObserver:self forKeyPath:@"countOfBytesSent"];
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}
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if (context == AFTaskCountOfBytesReceivedContext) {
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[object removeObserver:self forKeyPath:@"countOfBytesReceived"];
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}
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}
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@catch (NSException *exception) {}
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}
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}
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}
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}
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@end
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