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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/184907">184907</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2015-05-27 10:12:14 -0700 (Wed, 27 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Handle case where -startOptimizedFullscreen fails.
https://bugs.webkit.org/show_bug.cgi?id=145340

Patch by Jeremy Jones &lt;jeremyj@apple.com&gt; on 2015-05-27
Reviewed by Eric Carlson.

Add new AVPlayerViewController delegate methods and remove old ones.
-startOptimizedFullscreen can either fail silently because it is not allowed or it will call a delegate.
We prevent silent failure by testing preconditions in enterFullscreenOptimized, and add the
delegate -playerViewControllerFailedToStartOptimizedFullscreen to handle explicitly failure.

* platform/ios/WebVideoFullscreenInterfaceAVKit.h: added/removed method declarations.
* platform/ios/WebVideoFullscreenInterfaceAVKit.mm:
(-[WebAVPlayerController playerViewControllerFailedToStartOptimizedFullscreen:withError:]): Added.
(WebVideoFullscreenInterfaceAVKit::enterFullscreenOptimized): Handle silent failure.
(WebVideoFullscreenInterfaceAVKit::didStartOptimizedFullscreen): Hide window on main thread.
(WebVideoFullscreenInterfaceAVKit::failedToStartOptimizedFullscreen): Added
(-[WebAVPlayerController playerViewControllerWillCancelOptimizedFullscreen:]): Deleted.
(-[WebAVPlayerController playerViewControllerDidCancelOptimizedFullscreen:]): Deleted.
(WebVideoFullscreenInterfaceAVKit::willCancelOptimizedFullscreen): Deleted.
(WebVideoFullscreenInterfaceAVKit::didCancelOptimizedFullscreen): Deleted.
* platform/spi/cocoa/AVKitSPI.h: Remove dead SPI. Add isOptimizedFullscreenPossible.</pre>

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

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (184906 => 184907)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-05-27 16:52:51 UTC (rev 184906)
+++ trunk/Source/WebCore/ChangeLog        2015-05-27 17:12:14 UTC (rev 184907)
</span><span class="lines">@@ -1,3 +1,27 @@
</span><ins>+2015-05-27  Jeremy Jones  &lt;jeremyj@apple.com&gt;
+
+        Handle case where -startOptimizedFullscreen fails.
+        https://bugs.webkit.org/show_bug.cgi?id=145340
+
+        Reviewed by Eric Carlson.
+
+        Add new AVPlayerViewController delegate methods and remove old ones.
+        -startOptimizedFullscreen can either fail silently because it is not allowed or it will call a delegate.
+        We prevent silent failure by testing preconditions in enterFullscreenOptimized, and add the 
+        delegate -playerViewControllerFailedToStartOptimizedFullscreen to handle explicitly failure.
+
+        * platform/ios/WebVideoFullscreenInterfaceAVKit.h: added/removed method declarations.
+        * platform/ios/WebVideoFullscreenInterfaceAVKit.mm: 
+        (-[WebAVPlayerController playerViewControllerFailedToStartOptimizedFullscreen:withError:]): Added.
+        (WebVideoFullscreenInterfaceAVKit::enterFullscreenOptimized): Handle silent failure.
+        (WebVideoFullscreenInterfaceAVKit::didStartOptimizedFullscreen): Hide window on main thread.
+        (WebVideoFullscreenInterfaceAVKit::failedToStartOptimizedFullscreen): Added
+        (-[WebAVPlayerController playerViewControllerWillCancelOptimizedFullscreen:]): Deleted.
+        (-[WebAVPlayerController playerViewControllerDidCancelOptimizedFullscreen:]): Deleted.
+        (WebVideoFullscreenInterfaceAVKit::willCancelOptimizedFullscreen): Deleted.
+        (WebVideoFullscreenInterfaceAVKit::didCancelOptimizedFullscreen): Deleted.
+        * platform/spi/cocoa/AVKitSPI.h: Remove dead SPI. Add isOptimizedFullscreenPossible.
+
</ins><span class="cx"> 2015-05-27  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [iOS] Arabic ligatures are broken in Google Maps
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformiosWebVideoFullscreenInterfaceAVKith"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.h (184906 => 184907)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.h        2015-05-27 16:52:51 UTC (rev 184906)
+++ trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.h        2015-05-27 17:12:14 UTC (rev 184907)
</span><span class="lines">@@ -107,10 +107,9 @@
</span><span class="cx"> 
</span><span class="cx">     void willStartOptimizedFullscreen();
</span><span class="cx">     void didStartOptimizedFullscreen();
</span><ins>+    void failedToStartOptimizedFullscreen();
</ins><span class="cx">     void willStopOptimizedFullscreen();
</span><span class="cx">     void didStopOptimizedFullscreen();
</span><del>-    void willCancelOptimizedFullscreen();
-    void didCancelOptimizedFullscreen();
</del><span class="cx">     void prepareForOptimizedFullscreenStopWithCompletionHandler(void (^)(BOOL));
</span><span class="cx"> 
</span><span class="cx">     void setMode(HTMLMediaElementEnums::VideoFullscreenMode);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformiosWebVideoFullscreenInterfaceAVKitmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.mm (184906 => 184907)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.mm        2015-05-27 16:52:51 UTC (rev 184906)
+++ trunk/Source/WebCore/platform/ios/WebVideoFullscreenInterfaceAVKit.mm        2015-05-27 17:12:14 UTC (rev 184907)
</span><span class="lines">@@ -204,6 +204,13 @@
</span><span class="cx">     self.fullscreenInterface-&gt;didStartOptimizedFullscreen();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+- (void)playerViewControllerFailedToStartOptimizedFullscreen:(AVPlayerViewController *)playerViewController withError:(NSError *)error
+{
+    UNUSED_PARAM(playerViewController);
+    UNUSED_PARAM(error);
+    self.fullscreenInterface-&gt;failedToStartOptimizedFullscreen();
+}
+
</ins><span class="cx"> - (void)playerViewControllerWillStopOptimizedFullscreen:(AVPlayerViewController *)playerViewController
</span><span class="cx"> {
</span><span class="cx">     UNUSED_PARAM(playerViewController);
</span><span class="lines">@@ -216,18 +223,6 @@
</span><span class="cx">     self.fullscreenInterface-&gt;didStopOptimizedFullscreen();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-- (void)playerViewControllerWillCancelOptimizedFullscreen:(AVPlayerViewController *)playerViewController
-{
-    UNUSED_PARAM(playerViewController);
-    self.fullscreenInterface-&gt;willCancelOptimizedFullscreen();
-}
-
-- (void)playerViewControllerDidCancelOptimizedFullscreen:(AVPlayerViewController *)playerViewController
-{
-    UNUSED_PARAM(playerViewController);
-    self.fullscreenInterface-&gt;didCancelOptimizedFullscreen();
-}
-
</del><span class="cx"> - (BOOL)playerViewController:(AVPlayerViewController *)playerViewController shouldExitFullScreenWithReason:(AVPlayerViewControllerExitFullScreenReason)reason
</span><span class="cx"> {
</span><span class="cx">     UNUSED_PARAM(playerViewController);
</span><span class="lines">@@ -1033,7 +1028,11 @@
</span><span class="cx">     RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; strongThis(this);
</span><span class="cx"> 
</span><span class="cx">     LOG(Fullscreen, &quot;WebVideoFullscreenInterfaceAVKit::enterFullscreenOptimized(%p)&quot;, this);
</span><del>-    [m_playerViewController startOptimizedFullscreen];
</del><ins>+    
+    if ([m_playerViewController isOptimizedFullscreenPossible])
+        [m_playerViewController startOptimizedFullscreen];
+    else
+        failedToStartOptimizedFullscreen();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebVideoFullscreenInterfaceAVKit::enterFullscreenStandard()
</span><span class="lines">@@ -1270,15 +1269,35 @@
</span><span class="cx"> {
</span><span class="cx">     LOG(Fullscreen, &quot;WebVideoFullscreenInterfaceAVKit::didStartOptimizedFullscreen(%p)&quot;, this);
</span><span class="cx">     [m_playerViewController setShowsPlaybackControls:YES];
</span><ins>+    [m_window setHidden:YES];
</ins><span class="cx"> 
</span><span class="cx">     RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; strongThis(this);
</span><span class="cx">     WebThreadRun([strongThis] {
</span><del>-        [strongThis-&gt;m_window setHidden:YES];
</del><span class="cx">         if (strongThis-&gt;m_fullscreenChangeObserver)
</span><span class="cx">             strongThis-&gt;m_fullscreenChangeObserver-&gt;didEnterFullscreen();
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebVideoFullscreenInterfaceAVKit::failedToStartOptimizedFullscreen()
+{
+    LOG(Fullscreen, &quot;WebVideoFullscreenInterfaceAVKit::failedToStartOptimizedFullscreen(%p)&quot;, this);
+    [m_playerViewController setShowsPlaybackControls:YES];
+
+    RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; strongThis(this);
+    WebThreadRun([strongThis, this] {
+        if (hasMode(HTMLMediaElementEnums::VideoFullscreenModeStandard))
+            return;
+
+        m_exitCompleted = true;
+
+        if (m_fullscreenChangeObserver)
+            m_fullscreenChangeObserver-&gt;didEnterFullscreen();
+
+        if (m_videoFullscreenModel)
+            m_videoFullscreenModel-&gt;requestExitFullscreen();
+    });
+}
+
</ins><span class="cx"> void WebVideoFullscreenInterfaceAVKit::willStopOptimizedFullscreen()
</span><span class="cx"> {
</span><span class="cx">     LOG(Fullscreen, &quot;WebVideoFullscreenInterfaceAVKit::willStopOptimizedFullscreen(%p)&quot;, this);
</span><span class="lines">@@ -1311,35 +1330,6 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebVideoFullscreenInterfaceAVKit::willCancelOptimizedFullscreen()
-{
-    LOG(Fullscreen, &quot;WebVideoFullscreenInterfaceAVKit::willCancelOptimizedFullscreen(%p)&quot;, this);
-    [m_window setHidden:NO];
-    [m_videoLayerContainer setBackgroundColor:[[getUIColorClass() clearColor] CGColor]];
-    [[m_playerViewController view] setBackgroundColor:[getUIColorClass() clearColor]];
-
-    RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; strongThis(this);
-    WebThreadRun([strongThis] {
-        if (strongThis-&gt;m_videoFullscreenModel)
-            strongThis-&gt;m_videoFullscreenModel-&gt;requestExitFullscreen();
-    });
-}
-
-void WebVideoFullscreenInterfaceAVKit::didCancelOptimizedFullscreen()
-{
-    LOG(Fullscreen, &quot;WebVideoFullscreenInterfaceAVKit::didCancelOptimizedFullscreen(%p)&quot;, this);
-    if (hasMode(HTMLMediaElementEnums::VideoFullscreenModeStandard))
-        return;
-
-    RefPtr&lt;WebVideoFullscreenInterfaceAVKit&gt; strongThis(this);
-    WebThreadRun([strongThis] {
-        strongThis-&gt;clearMode(HTMLMediaElementEnums::VideoFullscreenModeOptimized);
-        [strongThis-&gt;m_window setHidden:YES];
-        if (strongThis-&gt;m_fullscreenChangeObserver)
-            strongThis-&gt;m_fullscreenChangeObserver-&gt;didExitFullscreen();
-    });
-}
-
</del><span class="cx"> void WebVideoFullscreenInterfaceAVKit::prepareForOptimizedFullscreenStopWithCompletionHandler(void (^completionHandler)(BOOL restored))
</span><span class="cx"> {
</span><span class="cx">     LOG(Fullscreen, &quot;WebVideoFullscreenInterfaceAVKit::prepareForOptimizedFullscreenStopWithCompletionHandler(%p)&quot;, this);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformspicocoaAVKitSPIh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/spi/cocoa/AVKitSPI.h (184906 => 184907)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/spi/cocoa/AVKitSPI.h        2015-05-27 16:52:51 UTC (rev 184906)
+++ trunk/Source/WebCore/platform/spi/cocoa/AVKitSPI.h        2015-05-27 17:12:14 UTC (rev 184907)
</span><span class="lines">@@ -88,8 +88,8 @@
</span><span class="cx"> - (void)enterFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError *))completionHandler;
</span><span class="cx"> - (void)exitFullScreenAnimated:(BOOL)animated completionHandler:(void (^)(BOOL success, NSError *))completionHandler;
</span><span class="cx"> 
</span><ins>+- (BOOL)isOptimizedFullscreenPossible;
</ins><span class="cx"> - (void)startOptimizedFullscreen;
</span><del>-- (void)startOptimizedFullscreenWithStartCompletionHandler:(void (^)(BOOL success, NSError*))startCompletionHandler stopCompletionHandler:(void (^)(AVPlayerViewControllerOptimizedFullscreenStopReason))stopCompletionHandler;
</del><span class="cx"> - (void)stopOptimizedFullscreen;
</span><span class="cx"> - (void)setAllowsOptimizedFullscreen:(BOOL)allowsOptimizedFullscreen;
</span><span class="cx"> 
</span></span></pre>
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