UIProgressView+AFNetworking.m
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// UIProgressView+AFNetworking.m
// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#import "UIProgressView+AFNetworking.h"
#import <objc/runtime.h>
#if TARGET_OS_IOS || TARGET_OS_TV
#import "AFURLSessionManager.h"
static void * AFTaskCountOfBytesSentContext = &AFTaskCountOfBytesSentContext;
static void * AFTaskCountOfBytesReceivedContext = &AFTaskCountOfBytesReceivedContext;
#pragma mark -
@implementation UIProgressView (AFNetworking)
- (BOOL)af_uploadProgressAnimated {
return [(NSNumber *)objc_getAssociatedObject(self, @selector(af_uploadProgressAnimated)) boolValue];
}
- (void)af_setUploadProgressAnimated:(BOOL)animated {
objc_setAssociatedObject(self, @selector(af_uploadProgressAnimated), @(animated), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
- (BOOL)af_downloadProgressAnimated {
return [(NSNumber *)objc_getAssociatedObject(self, @selector(af_downloadProgressAnimated)) boolValue];
}
- (void)af_setDownloadProgressAnimated:(BOOL)animated {
objc_setAssociatedObject(self, @selector(af_downloadProgressAnimated), @(animated), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
#pragma mark -
- (void)setProgressWithUploadProgressOfTask:(NSURLSessionUploadTask *)task
animated:(BOOL)animated
{
if (task.state == NSURLSessionTaskStateCompleted) {
return;
}
[task addObserver:self forKeyPath:@"state" options:(NSKeyValueObservingOptions)0 context:AFTaskCountOfBytesSentContext];
[task addObserver:self forKeyPath:@"countOfBytesSent" options:(NSKeyValueObservingOptions)0 context:AFTaskCountOfBytesSentContext];
[self af_setUploadProgressAnimated:animated];
}
- (void)setProgressWithDownloadProgressOfTask:(NSURLSessionDownloadTask *)task
animated:(BOOL)animated
{
if (task.state == NSURLSessionTaskStateCompleted) {
return;
}
[task addObserver:self forKeyPath:@"state" options:(NSKeyValueObservingOptions)0 context:AFTaskCountOfBytesReceivedContext];
[task addObserver:self forKeyPath:@"countOfBytesReceived" options:(NSKeyValueObservingOptions)0 context:AFTaskCountOfBytesReceivedContext];
[self af_setDownloadProgressAnimated:animated];
}
#pragma mark - NSKeyValueObserving
- (void)observeValueForKeyPath:(NSString *)keyPath
ofObject:(id)object
change:(__unused NSDictionary *)change
context:(void *)context
{
if (context == AFTaskCountOfBytesSentContext || context == AFTaskCountOfBytesReceivedContext) {
if ([keyPath isEqualToString:NSStringFromSelector(@selector(countOfBytesSent))]) {
if ([object countOfBytesExpectedToSend] > 0) {
dispatch_async(dispatch_get_main_queue(), ^{
[self setProgress:[object countOfBytesSent] / ([object countOfBytesExpectedToSend] * 1.0f) animated:self.af_uploadProgressAnimated];
});
}
}
if ([keyPath isEqualToString:NSStringFromSelector(@selector(countOfBytesReceived))]) {
if ([object countOfBytesExpectedToReceive] > 0) {
dispatch_async(dispatch_get_main_queue(), ^{
[self setProgress:[object countOfBytesReceived] / ([object countOfBytesExpectedToReceive] * 1.0f) animated:self.af_downloadProgressAnimated];
});
}
}
if ([keyPath isEqualToString:NSStringFromSelector(@selector(state))]) {
if ([(NSURLSessionTask *)object state] == NSURLSessionTaskStateCompleted) {
@try {
[object removeObserver:self forKeyPath:NSStringFromSelector(@selector(state))];
if (context == AFTaskCountOfBytesSentContext) {
[object removeObserver:self forKeyPath:NSStringFromSelector(@selector(countOfBytesSent))];
}
if (context == AFTaskCountOfBytesReceivedContext) {
[object removeObserver:self forKeyPath:NSStringFromSelector(@selector(countOfBytesReceived))];
}
}
@catch (NSException * __unused exception) {}
}
}
}
}
@end
#endif