ZFPlayerNotification.m
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//
// ZFPlayerNotification.m
// ZFPlayer
//
// Copyright (c) 2016年 任子丰 ( http://github.com/renzifeng )
//
// 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 "ZFPlayerNotification.h"
@interface ZFPlayerNotification ()
@property (nonatomic, assign) ZFPlayerBackgroundState backgroundState;
@end
@implementation ZFPlayerNotification
- (void)addNotification {
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(audioSessionRouteChangeNotification:)
name:AVAudioSessionRouteChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationWillResignActiveNotification)
name:UIApplicationWillResignActiveNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidBecomeActiveNotification)
name:UIApplicationDidBecomeActiveNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(volumeDidChangeNotification:)
name:@"AVSystemController_SystemVolumeDidChangeNotification"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(audioSessionInterruptionNotification:)
name:AVAudioSessionInterruptionNotification
object:nil];
}
- (void)removeNotification {
[[NSNotificationCenter defaultCenter] removeObserver:self name:AVAudioSessionRouteChangeNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationWillResignActiveNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidBecomeActiveNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"AVSystemController_SystemVolumeDidChangeNotification" object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:AVAudioSessionInterruptionNotification object:nil];
}
- (void)dealloc {
[self removeNotification];
}
- (void)audioSessionRouteChangeNotification:(NSNotification*)notification {
dispatch_async(dispatch_get_main_queue(), ^{
NSDictionary *interuptionDict = notification.userInfo;
NSInteger routeChangeReason = [[interuptionDict valueForKey:AVAudioSessionRouteChangeReasonKey] integerValue];
switch (routeChangeReason) {
case AVAudioSessionRouteChangeReasonNewDeviceAvailable: {
if (self.newDeviceAvailable) self.newDeviceAvailable(self);
}
break;
case AVAudioSessionRouteChangeReasonOldDeviceUnavailable: {
if (self.oldDeviceUnavailable) self.oldDeviceUnavailable(self);
}
break;
case AVAudioSessionRouteChangeReasonCategoryChange: {
if (self.categoryChange) self.categoryChange(self);
}
break;
}
});
}
- (void)volumeDidChangeNotification:(NSNotification *)notification {
float volume = [[[notification userInfo] objectForKey:@"AVSystemController_AudioVolumeNotificationParameter"] floatValue];
if (self.volumeChanged) self.volumeChanged(volume);
}
- (void)applicationWillResignActiveNotification {
self.backgroundState = ZFPlayerBackgroundStateBackground;
if (_willResignActive) _willResignActive(self);
}
- (void)applicationDidBecomeActiveNotification {
self.backgroundState = ZFPlayerBackgroundStateForeground;
if (_didBecomeActive) _didBecomeActive(self);
}
- (void)audioSessionInterruptionNotification:(NSNotification *)notification {
NSDictionary *interuptionDict = notification.userInfo;
AVAudioSessionInterruptionType interruptionType = [[interuptionDict valueForKey:AVAudioSessionInterruptionTypeKey] integerValue];
if (self.audioInterruptionCallback) self.audioInterruptionCallback(interruptionType);
}
@end