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https://github.com/samuelclay/NewsBlur.git
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113 lines
4.4 KiB
Objective-C
Executable file
113 lines
4.4 KiB
Objective-C
Executable file
// UIRefreshControl+AFNetworking.m
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//
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// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
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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 "UIRefreshControl+AFNetworking.h"
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#import <objc/runtime.h>
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#if TARGET_OS_IOS
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#import "AFURLSessionManager.h"
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@interface AFRefreshControlNotificationObserver : NSObject
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@property (readonly, nonatomic, weak) UIRefreshControl *refreshControl;
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- (instancetype)initWithActivityRefreshControl:(UIRefreshControl *)refreshControl;
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- (void)setRefreshingWithStateOfTask:(NSURLSessionTask *)task;
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@end
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@implementation UIRefreshControl (AFNetworking)
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- (AFRefreshControlNotificationObserver *)af_notificationObserver {
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AFRefreshControlNotificationObserver *notificationObserver = objc_getAssociatedObject(self, @selector(af_notificationObserver));
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if (notificationObserver == nil) {
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notificationObserver = [[AFRefreshControlNotificationObserver alloc] initWithActivityRefreshControl:self];
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objc_setAssociatedObject(self, @selector(af_notificationObserver), notificationObserver, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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return notificationObserver;
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}
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- (void)setRefreshingWithStateOfTask:(NSURLSessionTask *)task {
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[[self af_notificationObserver] setRefreshingWithStateOfTask:task];
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}
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@end
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@implementation AFRefreshControlNotificationObserver
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- (instancetype)initWithActivityRefreshControl:(UIRefreshControl *)refreshControl
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{
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self = [super init];
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if (self) {
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_refreshControl = refreshControl;
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}
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return self;
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}
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- (void)setRefreshingWithStateOfTask:(NSURLSessionTask *)task {
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NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
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[notificationCenter removeObserver:self name:AFNetworkingTaskDidResumeNotification object:nil];
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[notificationCenter removeObserver:self name:AFNetworkingTaskDidSuspendNotification object:nil];
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[notificationCenter removeObserver:self name:AFNetworkingTaskDidCompleteNotification object:nil];
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if (task) {
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UIRefreshControl *refreshControl = self.refreshControl;
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if (task.state == NSURLSessionTaskStateRunning) {
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[refreshControl beginRefreshing];
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[notificationCenter addObserver:self selector:@selector(af_beginRefreshing) name:AFNetworkingTaskDidResumeNotification object:task];
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[notificationCenter addObserver:self selector:@selector(af_endRefreshing) name:AFNetworkingTaskDidCompleteNotification object:task];
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[notificationCenter addObserver:self selector:@selector(af_endRefreshing) name:AFNetworkingTaskDidSuspendNotification object:task];
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} else {
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[refreshControl endRefreshing];
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}
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}
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}
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#pragma mark -
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- (void)af_beginRefreshing {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self.refreshControl beginRefreshing];
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});
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}
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- (void)af_endRefreshing {
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dispatch_async(dispatch_get_main_queue(), ^{
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[self.refreshControl endRefreshing];
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});
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}
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#pragma mark -
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- (void)dealloc {
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NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
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[notificationCenter removeObserver:self name:AFNetworkingTaskDidCompleteNotification object:nil];
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[notificationCenter removeObserver:self name:AFNetworkingTaskDidResumeNotification object:nil];
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[notificationCenter removeObserver:self name:AFNetworkingTaskDidSuspendNotification object:nil];
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}
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@end
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#endif
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