cfab6c7c04
Increase timeout since the wait function timed out in certain debugging circumstances. Also change the check to a DCHECK since it is not really a critical error if it would time out. BUG=None Review-Url: https://codereview.webrtc.org/3007773002 Cr-Commit-Position: refs/heads/master@{#19582}
76 lines
2.2 KiB
Objective-C
76 lines
2.2 KiB
Objective-C
/*
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* Copyright 2016 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "RTCUIApplicationStatusObserver.h"
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#if defined(WEBRTC_IOS)
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#import <UIKit/UIKit.h>
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#include "webrtc/rtc_base/checks.h"
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@implementation RTCUIApplicationStatusObserver {
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BOOL _initialized;
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dispatch_block_t _initializeBlock;
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UIApplicationState _state;
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}
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+ (instancetype)sharedInstance {
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static id sharedInstance;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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sharedInstance = [[self alloc] init];
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});
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return sharedInstance;
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}
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- (id)init {
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if (self = [super init]) {
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NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
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[center addObserverForName:UIApplicationDidBecomeActiveNotification
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object:nil
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queue:[NSOperationQueue mainQueue]
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usingBlock:^(NSNotification *note) {
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_state = [UIApplication sharedApplication].applicationState;
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}];
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[center addObserverForName:UIApplicationDidEnterBackgroundNotification
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object:nil
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queue:[NSOperationQueue mainQueue]
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usingBlock:^(NSNotification *note) {
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_state = [UIApplication sharedApplication].applicationState;
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}];
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_initialized = NO;
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_initializeBlock = dispatch_block_create(DISPATCH_BLOCK_INHERIT_QOS_CLASS, ^{
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_state = [UIApplication sharedApplication].applicationState;
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_initialized = YES;
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});
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dispatch_async(dispatch_get_main_queue(), _initializeBlock);
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}
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return self;
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}
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- (BOOL)isApplicationActive {
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if (!_initialized) {
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long ret = dispatch_block_wait(_initializeBlock,
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dispatch_time(DISPATCH_TIME_NOW, 10.0 * NSEC_PER_SEC));
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RTC_DCHECK_EQ(ret, 0);
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}
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return _state == UIApplicationStateActive;
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}
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@end
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#endif // WEBRTC_IOS
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