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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/171089">171089</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-07-14 15:32:01 -0700 (Mon, 14 Jul 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>WebVideoFullscreenInterfaceAVKit should only call the UI from main thread.
https://bugs.webkit.org/show_bug.cgi?id=134890

Patch by Jeremy Jones &lt;jeremyj@apple.com&gt; on 2014-07-14
Reviewed by Eric Carlson.

dispatch_async to the main thread before setting properties that would affect the UI.

* platform/ios/WebVideoFullscreenInterfaceAVKit.mm:
(WebVideoFullscreenInterfaceAVKit::setWebVideoFullscreenModel): wrap in call to dispatch_async
(WebVideoFullscreenInterfaceAVKit::setDuration): ditto
(WebVideoFullscreenInterfaceAVKit::setCurrentTime): ditto
(WebVideoFullscreenInterfaceAVKit::setRate): ditto
(WebVideoFullscreenInterfaceAVKit::setVideoDimensions): ditto
(WebVideoFullscreenInterfaceAVKit::setSeekableRanges): ditto
(WebVideoFullscreenInterfaceAVKit::setAudioMediaSelectionOptions): ditto
(WebVideoFullscreenInterfaceAVKit::setLegibleMediaSelectionOptions): ditto
(WebVideoFullscreenInterfaceAVKit::setExternalPlayback): ditto</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformiosWebVideoFullscreenInterfaceAVKitmm">trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (171088 => 171089)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-07-14 22:22:28 UTC (rev 171088)
+++ trunk/Source/WebCore/ChangeLog        2014-07-14 22:32:01 UTC (rev 171089)
</span><span class="lines">@@ -1,3 +1,23 @@
</span><ins>+2014-07-14  Jeremy Jones  &lt;jeremyj@apple.com&gt;
+
+        WebVideoFullscreenInterfaceAVKit should only call the UI from main thread.
+        https://bugs.webkit.org/show_bug.cgi?id=134890
+
+        Reviewed by Eric Carlson.
+
+        dispatch_async to the main thread before setting properties that would affect the UI.
+
+        * platform/ios/WebVideoFullscreenInterfaceAVKit.mm:
+        (WebVideoFullscreenInterfaceAVKit::setWebVideoFullscreenModel): wrap in call to dispatch_async
+        (WebVideoFullscreenInterfaceAVKit::setDuration): ditto
+        (WebVideoFullscreenInterfaceAVKit::setCurrentTime): ditto
+        (WebVideoFullscreenInterfaceAVKit::setRate): ditto
+        (WebVideoFullscreenInterfaceAVKit::setVideoDimensions): ditto
+        (WebVideoFullscreenInterfaceAVKit::setSeekableRanges): ditto
+        (WebVideoFullscreenInterfaceAVKit::setAudioMediaSelectionOptions): ditto
+        (WebVideoFullscreenInterfaceAVKit::setLegibleMediaSelectionOptions): ditto
+        (WebVideoFullscreenInterfaceAVKit::setExternalPlayback): ditto
+
</ins><span class="cx"> 2014-07-14  Tibor Meszaros  &lt;tmeszaros.u-szeged@partner.samsung.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Fix the !ENABLE(FILTERS) &amp;&amp; !ENABLE(CSS_FILTERS) build after r167497
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformiosWebVideoFullscreenInterfaceAVKitmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.mm (171088 => 171089)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.mm        2014-07-14 22:22:28 UTC (rev 171088)
+++ trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.mm        2014-07-14 22:32:01 UTC (rev 171089)
</span><span class="lines">@@ -585,8 +585,14 @@
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setWebVideoFullscreenModel(WebVideoFullscreenModel* model)
</span><span class="cx"> {
</span><span class="cx">     m_videoFullscreenModel = model;
</span><del>-    if (m_playerController)
-        playerController().delegate = m_videoFullscreenModel;
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        if (m_playerController)
+            playerController().delegate = m_videoFullscreenModel;
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setWebVideoFullscreenChangeObserver(WebVideoFullscreenChangeObserver* observer)
</span><span class="lines">@@ -598,39 +604,63 @@
</span><span class="cx"> {
</span><span class="cx">     WebAVPlayerController* playerController = this-&gt;playerController();
</span><span class="cx">     
</span><del>-    // FIXME: https://bugs.webkit.org/show_bug.cgi?id=127017 use correct values instead of duration for all these
-    playerController.contentDuration = duration;
-    playerController.maxTime = duration;
-    playerController.contentDurationWithinEndTimes = duration;
-    playerController.loadedTimeRanges = @[@0, @(duration)];
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
</ins><span class="cx">     
</span><del>-    // FIXME: we take this as an indication that playback is ready.
-    playerController.canPlay = YES;
-    playerController.canPause = YES;
-    playerController.canTogglePlayback = YES;
-    playerController.hasEnabledAudio = YES;
-    playerController.canSeek = YES;
-    playerController.minTime = 0;
-    playerController.status = AVPlayerControllerStatusReadyToPlay;
</del><ins>+    dispatch_async(dispatch_get_main_queue(), ^{
+        // FIXME: https://bugs.webkit.org/show_bug.cgi?id=127017 use correct values instead of duration for all these
+        playerController.contentDuration = duration;
+        playerController.maxTime = duration;
+        playerController.contentDurationWithinEndTimes = duration;
+        playerController.loadedTimeRanges = @[@0, @(duration)];
+        
+        // FIXME: we take this as an indication that playback is ready.
+        playerController.canPlay = YES;
+        playerController.canPause = YES;
+        playerController.canTogglePlayback = YES;
+        playerController.hasEnabledAudio = YES;
+        playerController.canSeek = YES;
+        playerController.minTime = 0;
+        playerController.status = AVPlayerControllerStatusReadyToPlay;
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setCurrentTime(double currentTime, double anchorTime)
</span><span class="cx"> {
</span><del>-    NSTimeInterval anchorTimeStamp = ![playerController() rate] ? NAN : anchorTime;
-    AVValueTiming *timing = [getAVValueTimingClass() valueTimingWithAnchorValue:currentTime
-        anchorTimeStamp:anchorTimeStamp rate:0];
-    playerController().timing = timing;
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        NSTimeInterval anchorTimeStamp = ![playerController() rate] ? NAN : anchorTime;
+        AVValueTiming *timing = [getAVValueTimingClass() valueTimingWithAnchorValue:currentTime
+            anchorTimeStamp:anchorTimeStamp rate:0];
+        playerController().timing = timing;
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setRate(bool isPlaying, float playbackRate)
</span><span class="cx"> {
</span><del>-    playerController().rate = isPlaying ? playbackRate : 0.;
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        playerController().rate = isPlaying ? playbackRate : 0.;
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setVideoDimensions(bool hasVideo, float width, float height)
</span><span class="cx"> {
</span><del>-    playerController().hasEnabledVideo = hasVideo;
-    playerController().contentDimensions = CGSizeMake(width, height);
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        playerController().hasEnabledVideo = hasVideo;
+        playerController().contentDimensions = CGSizeMake(width, height);
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setSeekableRanges(const TimeRanges&amp; timeRanges)
</span><span class="lines">@@ -646,7 +676,13 @@
</span><span class="cx">         [seekableRanges addObject:[NSValue valueWithCMTimeRange:range]];
</span><span class="cx">     }
</span><span class="cx">     
</span><del>-    playerController().seekableTimeRanges = seekableRanges;
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        playerController().seekableTimeRanges = seekableRanges;
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static NSMutableArray *mediaSelectionOptions(const Vector&lt;String&gt;&amp; options)
</span><span class="lines">@@ -663,17 +699,29 @@
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setAudioMediaSelectionOptions(const Vector&lt;String&gt;&amp; options, uint64_t selectedIndex)
</span><span class="cx"> {
</span><span class="cx">     NSMutableArray *webOptions = mediaSelectionOptions(options);
</span><del>-    playerController().audioMediaSelectionOptions = webOptions;
-    if (selectedIndex &lt; webOptions.count)
-        playerController().currentAudioMediaSelectionOption = webOptions[(size_t)selectedIndex];
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        playerController().audioMediaSelectionOptions = webOptions;
+        if (selectedIndex &lt; webOptions.count)
+            playerController().currentAudioMediaSelectionOption = webOptions[(size_t)selectedIndex];
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setLegibleMediaSelectionOptions(const Vector&lt;String&gt;&amp; options, uint64_t selectedIndex)
</span><span class="cx"> {
</span><span class="cx">     NSMutableArray *webOptions = mediaSelectionOptions(options);
</span><del>-    playerController().legibleMediaSelectionOptions = webOptions;
-    if (selectedIndex &lt; webOptions.count)
-        playerController().currentLegibleMediaSelectionOption = webOptions[(size_t)selectedIndex];
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        playerController().legibleMediaSelectionOptions = webOptions;
+        if (selectedIndex &lt; webOptions.count)
+            playerController().currentLegibleMediaSelectionOption = webOptions[(size_t)selectedIndex];
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setExternalPlayback(bool enabled, ExternalPlaybackTargetType targetType, String localizedDeviceName)
</span><span class="lines">@@ -684,10 +732,16 @@
</span><span class="cx">     else if (targetType == TargetTypeTVOut)
</span><span class="cx">         externalPlaybackType = AVPlayerControllerExternalPlaybackTypeTVOut;
</span><span class="cx"> 
</span><del>-    playerController().externalPlaybackAirPlayDeviceLocalizedName = localizedDeviceName;
-    playerController().externalPlaybackType = externalPlaybackType;
-    playerController().externalPlaybackActive = enabled;
-    [m_videoLayerContainer.get() setHidden:enabled];
</del><ins>+    __block RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; protect(this);
+    
+    dispatch_async(dispatch_get_main_queue(), ^{
+        playerController().externalPlaybackAirPlayDeviceLocalizedName = localizedDeviceName;
+        playerController().externalPlaybackType = externalPlaybackType;
+        playerController().externalPlaybackActive = enabled;
+        [m_videoLayerContainer.get() setHidden:enabled];
+        
+        protect.clear();
+    });
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::setupFullscreen(PlatformLayer&amp; videoLayer, WebCore::IntRect initialRect)
</span></span></pre>
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