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Fix crash from trying to remove observer multiple times

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This commit is contained in:
Brent Vatne 2015-05-30 12:47:14 -07:00
parent ca3e6066c2
commit c5eb6b4fec
5 changed files with 27 additions and 8 deletions
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BIN
Examples/VideoPlayer/VideoPlayer.xcodeproj/project.xcworkspace/xcuserdata/brentvatne.xcuserdatad/UserInterfaceState.xcuserstate generated
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2
Examples/VideoPlayer/node_modules/react-native-video/RCTVideo.xcodeproj/xcuserdata/brentvatne.xcuserdatad/xcschemes/xcschememanagement.plist generated vendored
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@ -7,7 +7,7 @@
<key>RCTVideo.xcscheme</key> <key>RCTVideo.xcscheme</key>
<dict> <dict>
<key>orderHint</key> <key>orderHint</key>
<integer>10</integer> <integer>12</integer>
</dict> </dict>
</dict> </dict>
<key>SuppressBuildableAutocreation</key> <key>SuppressBuildableAutocreation</key>

4
Examples/VideoPlayer/package.json
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@ -6,7 +6,7 @@
"start": "node_modules/react-native/packager/packager.sh" "start": "node_modules/react-native/packager/packager.sh"
}, },
"dependencies": { "dependencies": {
"react-native": "^0.4.0", "react-native": "^0.4.4",
"react-native-video": "^0.3.5" "react-native-video": "^0.4.1"
} }
} }

27
RCTVideo.m
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@ -18,6 +18,7 @@ static NSString *const statusKeyPath = @"status";
{ {
AVPlayer *_player; AVPlayer *_player;
AVPlayerItem *_playerItem; AVPlayerItem *_playerItem;
BOOL _playerItemObserverSet;
AVPlayerLayer *_playerLayer; AVPlayerLayer *_playerLayer;
NSURL *_videoURL; NSURL *_videoURL;
@ -87,18 +88,36 @@ static NSString *const statusKeyPath = @"status";
[_progressUpdateTimer addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode]; [_progressUpdateTimer addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode];
} }
- (void)notifyEnd: (NSNotification *)notification { - (void)notifyEnd:(NSNotification *)notification
{
[_eventDispatcher sendInputEventWithName:RNVideoEventEnd body:@{ [_eventDispatcher sendInputEventWithName:RNVideoEventEnd body:@{
@"target": self.reactTag @"target": self.reactTag
}]; }];
} }
- (void)addPlayerItemObserver
{
[_playerItem addObserver:self forKeyPath:statusKeyPath options:0 context:nil];
_playerItemObserverSet = YES;
}
/* Fixes https://github.com/brentvatne/react-native-video/issues/43
* Crashes caused when trying to remove the observer when there is no
* observer set */
- (void)removePlayerItemObserver
{
if (_playerItemObserverSet) {
[_playerItem removeObserver:self forKeyPath:statusKeyPath];
_playerItemObserverSet = NO;
}
}
#pragma mark - Player and source #pragma mark - Player and source
- (void)setSrc:(NSDictionary *)source { - (void)setSrc:(NSDictionary *)source {
[_playerItem removeObserver:self forKeyPath:statusKeyPath]; [self removePlayerItemObserver];
_playerItem = [self playerItemForSource:source]; _playerItem = [self playerItemForSource:source];
[_playerItem addObserver:self forKeyPath:statusKeyPath options:0 context:nil]; [self addPlayerItemObserver];
[_player pause]; [_player pause];
[_playerLayer removeFromSuperlayer]; [_playerLayer removeFromSuperlayer];
@ -321,7 +340,7 @@ static NSString *const statusKeyPath = @"status";
[_playerLayer removeFromSuperlayer]; [_playerLayer removeFromSuperlayer];
_playerLayer = nil; _playerLayer = nil;
[_playerItem removeObserver:self forKeyPath:statusKeyPath]; [self removePlayerItemObserver];
_eventDispatcher = nil; _eventDispatcher = nil;
[[NSNotificationCenter defaultCenter] removeObserver:self]; [[NSNotificationCenter defaultCenter] removeObserver:self];

2
package.json
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@ -1,6 +1,6 @@
{ {
"name": "react-native-video", "name": "react-native-video",
"version": "0.4.0", "version": "0.4.1",
"description": "A <Video /> element for react-native", "description": "A <Video /> element for react-native",
"main": "Video.ios.js", "main": "Video.ios.js",
"author": "Brent Vatne <brentvatne@gmail.com> (https://github.com/brentvatne)", "author": "Brent Vatne <brentvatne@gmail.com> (https://github.com/brentvatne)",