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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/186385">186385</a></dd>
<dt>Author</dt> <dd>bfulgham@apple.com</dd>
<dt>Date</dt> <dd>2015-07-06 16:41:25 -0700 (Mon, 06 Jul 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Ensure media playback is stopped during page close
https://bugs.webkit.org/show_bug.cgi?id=146554
&lt;rdar://problem/18033944&gt;

Reviewed by Brady Eidson.

Source/WebCore:

* Modules/webaudio/AudioContext.h:
(WebCore::WebAudio::hostingDocument): Added.
* html/HTMLMediaElement.h:
(WebCore::HTMLMediaElement::hostingDocument): Added.
* dom/Document.cpp:
(WebCore::Document::~Document): Call new 'stopAllMediaPlaybackForDocument' at destruction time.
* platform/audio/PlatformMediaSession.h:
Made PlatformMediaSessionManager a friend so it can access the protected 'client' accessor.
Updated PlatformMediaSessionClient to require clients to have a &quot;hostingDocument&quot; member.
* platform/audio/PlatformMediaSessionManager.cpp:
(WebCore::PlatformMediaSessionManager::stopAllMediaPlaybackForDocument): Added. Only pauses
playback on elements that match the provided document.
(WebCore::PlatformMediaSessionManager::stopAllMediaPlaybackForProcess): Added. Pauses playback
on all elements in the current process.
* platform/audio/PlatformMediaSessionManager.h:

Source/WebKit2:

* WebProcess/WebProcess.cpp:
(WebKit::WebProcess::didClose): Make sure to clean up any running media sessions when
the process is being shut down.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModuleswebaudioAudioContexth">trunk/Source/WebCore/Modules/webaudio/AudioContext.h</a></li>
<li><a href="#trunkSourceWebCoredomDocumentcpp">trunk/Source/WebCore/dom/Document.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLMediaElementh">trunk/Source/WebCore/html/HTMLMediaElement.h</a></li>
<li><a href="#trunkSourceWebCoreplatformaudioPlatformMediaSessionh">trunk/Source/WebCore/platform/audio/PlatformMediaSession.h</a></li>
<li><a href="#trunkSourceWebCoreplatformaudioPlatformMediaSessionManagercpp">trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformaudioPlatformMediaSessionManagerh">trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.h</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebProcesscpp">trunk/Source/WebKit2/WebProcess/WebProcess.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebCore/ChangeLog        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -1,3 +1,27 @@
</span><ins>+2015-07-06  Brent Fulgham  &lt;bfulgham@apple.com&gt;
+
+        Ensure media playback is stopped during page close
+        https://bugs.webkit.org/show_bug.cgi?id=146554
+        &lt;rdar://problem/18033944&gt;
+
+        Reviewed by Brady Eidson.
+
+        * Modules/webaudio/AudioContext.h:
+        (WebCore::WebAudio::hostingDocument): Added.
+        * html/HTMLMediaElement.h:
+        (WebCore::HTMLMediaElement::hostingDocument): Added.
+        * dom/Document.cpp:
+        (WebCore::Document::~Document): Call new 'stopAllMediaPlaybackForDocument' at destruction time.
+        * platform/audio/PlatformMediaSession.h:
+        Made PlatformMediaSessionManager a friend so it can access the protected 'client' accessor.
+        Updated PlatformMediaSessionClient to require clients to have a &quot;hostingDocument&quot; member.
+        * platform/audio/PlatformMediaSessionManager.cpp:
+        (WebCore::PlatformMediaSessionManager::stopAllMediaPlaybackForDocument): Added. Only pauses
+        playback on elements that match the provided document.
+        (WebCore::PlatformMediaSessionManager::stopAllMediaPlaybackForProcess): Added. Pauses playback
+        on all elements in the current process.
+        * platform/audio/PlatformMediaSessionManager.h:
+
</ins><span class="cx"> 2015-07-06  Alex Christensen  &lt;achristensen@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         [Content Extensions] Remove memory page reporting
</span></span></pre></div>
<a id="trunkSourceWebCoreModuleswebaudioAudioContexth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/webaudio/AudioContext.h (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/webaudio/AudioContext.h        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebCore/Modules/webaudio/AudioContext.h        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -90,6 +90,8 @@
</span><span class="cx"> 
</span><span class="cx">     Document* document() const; // ASSERTs if document no longer exists.
</span><span class="cx"> 
</span><ins>+    const Document* hostingDocument() const override { return document(); }
+
</ins><span class="cx">     AudioDestinationNode* destination() { return m_destinationNode.get(); }
</span><span class="cx">     size_t currentSampleFrame() const { return m_destinationNode-&gt;currentSampleFrame(); }
</span><span class="cx">     double currentTime() const { return m_destinationNode-&gt;currentTime(); }
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Document.cpp (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Document.cpp        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebCore/dom/Document.cpp        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -3,7 +3,7 @@
</span><span class="cx">  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
</span><span class="cx">  *           (C) 2001 Dirk Mueller (mueller@kde.org)
</span><span class="cx">  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
</span><del>- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2013 Apple Inc. All rights reserved.
</del><ins>+ * Copyright (C) 2004-2015 Apple Inc. All rights reserved.
</ins><span class="cx">  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
</span><span class="cx">  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
</span><span class="cx">  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
</span><span class="lines">@@ -112,6 +112,7 @@
</span><span class="cx"> #include &quot;PageGroup.h&quot;
</span><span class="cx"> #include &quot;PageTransitionEvent.h&quot;
</span><span class="cx"> #include &quot;PlatformLocale.h&quot;
</span><ins>+#include &quot;PlatformMediaSessionManager.h&quot;
</ins><span class="cx"> #include &quot;PlatformStrategies.h&quot;
</span><span class="cx"> #include &quot;PlugInsResources.h&quot;
</span><span class="cx"> #include &quot;PluginDocument.h&quot;
</span><span class="lines">@@ -632,6 +633,8 @@
</span><span class="cx">     if (m_cachedResourceLoader-&gt;document() == this)
</span><span class="cx">         m_cachedResourceLoader-&gt;setDocument(nullptr);
</span><span class="cx"> 
</span><ins>+    PlatformMediaSessionManager::sharedManager().stopAllMediaPlaybackForDocument(this);
+    
</ins><span class="cx">     // We must call clearRareData() here since a Document class inherits TreeScope
</span><span class="cx">     // as well as Node. See a comment on TreeScope.h for the reason.
</span><span class="cx">     if (hasRareData())
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLMediaElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLMediaElement.h (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLMediaElement.h        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebCore/html/HTMLMediaElement.h        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -147,7 +147,9 @@
</span><span class="cx">     MediaPlayerEnums::MovieLoadType movieLoadType() const;
</span><span class="cx">     
</span><span class="cx">     bool inActiveDocument() const { return m_inActiveDocument; }
</span><del>-    
</del><ins>+
+    const Document* hostingDocument() const override { return &amp;document(); }
+
</ins><span class="cx"> // DOM API
</span><span class="cx"> // error state
</span><span class="cx">     PassRefPtr&lt;MediaError&gt; error() const;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformaudioPlatformMediaSessionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/audio/PlatformMediaSession.h (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/audio/PlatformMediaSession.h        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebCore/platform/audio/PlatformMediaSession.h        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -37,6 +37,7 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><ins>+class Document;
</ins><span class="cx"> class MediaPlaybackTarget;
</span><span class="cx"> class PlatformMediaSessionClient;
</span><span class="cx"> 
</span><span class="lines">@@ -145,6 +146,8 @@
</span><span class="cx">     State m_stateToRestore;
</span><span class="cx">     int m_interruptionCount { 0 };
</span><span class="cx">     bool m_notifyingClient;
</span><ins>+
+    friend class PlatformMediaSessionManager;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> class PlatformMediaSessionClient {
</span><span class="lines">@@ -177,6 +180,8 @@
</span><span class="cx">     virtual bool isPlayingToWirelessPlaybackTarget() const { return false; }
</span><span class="cx">     virtual void setShouldPlayToPlaybackTarget(bool) { }
</span><span class="cx"> 
</span><ins>+    virtual const Document* hostingDocument() const = 0;
+
</ins><span class="cx"> protected:
</span><span class="cx">     virtual ~PlatformMediaSessionClient() { }
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformaudioPlatformMediaSessionManagercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -29,6 +29,7 @@
</span><span class="cx"> #if ENABLE(VIDEO)
</span><span class="cx"> 
</span><span class="cx"> #include &quot;AudioSession.h&quot;
</span><ins>+#include &quot;Document.h&quot;
</ins><span class="cx"> #include &quot;Logging.h&quot;
</span><span class="cx"> #include &quot;NotImplemented.h&quot;
</span><span class="cx"> #include &quot;PlatformMediaSession.h&quot;
</span><span class="lines">@@ -329,6 +330,22 @@
</span><span class="cx">     updateSessionState();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void PlatformMediaSessionManager::stopAllMediaPlaybackForDocument(const Document* document)
+{
+    Vector&lt;PlatformMediaSession*&gt; sessions = m_sessions;
+    for (auto* session : sessions) {
+        if (session-&gt;client().hostingDocument() == document)
+            session-&gt;pauseSession();
+    }
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void PlatformMediaSessionManager::stopAllMediaPlaybackForProcess()
+{
+    Vector&lt;PlatformMediaSession*&gt; sessions = m_sessions;
+    for (auto* session : sessions)
+        session-&gt;pauseSession();
+}
+
+}
+
</ins><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformaudioPlatformMediaSessionManagerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.h (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.h        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebCore/platform/audio/PlatformMediaSessionManager.h        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -36,6 +36,7 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><ins>+class Document;
</ins><span class="cx"> class HTMLMediaElement;
</span><span class="cx"> class PlatformMediaSession;
</span><span class="cx"> class RemoteCommandListener;
</span><span class="lines">@@ -56,6 +57,9 @@
</span><span class="cx">     WEBCORE_EXPORT void applicationWillEnterForeground() const;
</span><span class="cx">     WEBCORE_EXPORT void applicationWillEnterBackground() const;
</span><span class="cx"> 
</span><ins>+    void stopAllMediaPlaybackForDocument(const Document*);
+    WEBCORE_EXPORT void stopAllMediaPlaybackForProcess();
+
</ins><span class="cx">     enum SessionRestrictionFlags {
</span><span class="cx">         NoRestrictions = 0,
</span><span class="cx">         ConcurrentPlaybackNotPermitted = 1 &lt;&lt; 0,
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebKit2/ChangeLog        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2015-07-06  Brent Fulgham  &lt;bfulgham@apple.com&gt;
+
+        Ensure media playback is stopped during page close
+        https://bugs.webkit.org/show_bug.cgi?id=146554
+        &lt;rdar://problem/18033944&gt;
+
+        Reviewed by Brady Eidson.
+
+        * WebProcess/WebProcess.cpp:
+        (WebKit::WebProcess::didClose): Make sure to clean up any running media sessions when
+        the process is being shut down.
+
</ins><span class="cx"> 2015-07-06  Yongjun Zhang  &lt;yongjun_zhang@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Allow UIDelegate to customize link actions in preview.
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebProcesscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebProcess.cpp (186384 => 186385)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebProcess.cpp        2015-07-06 23:27:32 UTC (rev 186384)
+++ trunk/Source/WebKit2/WebProcess/WebProcess.cpp        2015-07-06 23:41:25 UTC (rev 186385)
</span><span class="lines">@@ -82,6 +82,7 @@
</span><span class="cx"> #include &lt;WebCore/Page.h&gt;
</span><span class="cx"> #include &lt;WebCore/PageCache.h&gt;
</span><span class="cx"> #include &lt;WebCore/PageGroup.h&gt;
</span><ins>+#include &lt;WebCore/PlatformMediaSessionManager.h&gt;
</ins><span class="cx"> #include &lt;WebCore/ResourceHandle.h&gt;
</span><span class="cx"> #include &lt;WebCore/RuntimeEnabledFeatures.h&gt;
</span><span class="cx"> #include &lt;WebCore/SchemeRegistry.h&gt;
</span><span class="lines">@@ -658,6 +659,9 @@
</span><span class="cx">     MemoryCache::singleton().setDisabled(true);
</span><span class="cx"> #endif    
</span><span class="cx"> 
</span><ins>+    // FIXME(146657): This explicit media stop command should not be necessary
+    PlatformMediaSessionManager::sharedManager().stopAllMediaPlaybackForProcess();
+
</ins><span class="cx">     // The UI process closed this connection, shut down.
</span><span class="cx">     stopRunLoop();
</span><span class="cx"> }
</span></span></pre>
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