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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/186016">186016</a></dd>
<dt>Author</dt> <dd>eric.carlson@apple.com</dd>
<dt>Date</dt> <dd>2015-06-26 16:33:21 -0700 (Fri, 26 Jun 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>[Mac] Muted videos should not automatically play to AppleTV
https://bugs.webkit.org/show_bug.cgi?id=146366

Reviewed by Dean Jackson.

* html/HTMLMediaElement.cpp:
(WebCore::HTMLMediaElement::HTMLMediaElement): Initialize m_initiallyMuted.
(WebCore::HTMLMediaElement::scheduleDelayedAction): Support CheckMediaState.
(WebCore::HTMLMediaElement::setReadyState): Set m_initiallyMuted to true if the element is
  muted or the volume is less than 5%.
(WebCore::HTMLMediaElement::setMuted): Update media state asynchronously so multiple state
  changes can be coalesced.
(WebCore::HTMLMediaElement::mediaPlayerEngineUpdated): Ditto.
(WebCore::HTMLMediaElement::setPlaying): Ditto.
(WebCore::HTMLMediaElement::mediaPlayerCurrentPlaybackTargetIsWirelessChanged): Ditto.
(WebCore::HTMLMediaElement::removeEventListener): Ditto.
(WebCore::HTMLMediaElement::enqueuePlaybackTargetAvailabilityChangedEvent): Ditto.
(WebCore::HTMLMediaElement::updateMediaState): Update after a timer when passed UpdateMediaState::Asynchronously.
(WebCore::HTMLMediaElement::mediaState): Don't set the ExternalDeviceAutoPlayCandidate flag if
  m_initiallyMuted is true.
* html/HTMLMediaElement.h:
* html/HTMLMediaElementEnums.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLMediaElementcpp">trunk/Source/WebCore/html/HTMLMediaElement.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLMediaElementh">trunk/Source/WebCore/html/HTMLMediaElement.h</a></li>
<li><a href="#trunkSourceWebCorehtmlHTMLMediaElementEnumsh">trunk/Source/WebCore/html/HTMLMediaElementEnums.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (186015 => 186016)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-06-26 22:55:17 UTC (rev 186015)
+++ trunk/Source/WebCore/ChangeLog        2015-06-26 23:33:21 UTC (rev 186016)
</span><span class="lines">@@ -1,3 +1,28 @@
</span><ins>+2015-06-26  Eric Carlson  &lt;eric.carlson@apple.com&gt;
+
+        [Mac] Muted videos should not automatically play to AppleTV
+        https://bugs.webkit.org/show_bug.cgi?id=146366
+
+        Reviewed by Dean Jackson.
+
+        * html/HTMLMediaElement.cpp:
+        (WebCore::HTMLMediaElement::HTMLMediaElement): Initialize m_initiallyMuted.
+        (WebCore::HTMLMediaElement::scheduleDelayedAction): Support CheckMediaState.
+        (WebCore::HTMLMediaElement::setReadyState): Set m_initiallyMuted to true if the element is
+          muted or the volume is less than 5%.
+        (WebCore::HTMLMediaElement::setMuted): Update media state asynchronously so multiple state
+          changes can be coalesced.
+        (WebCore::HTMLMediaElement::mediaPlayerEngineUpdated): Ditto.
+        (WebCore::HTMLMediaElement::setPlaying): Ditto.
+        (WebCore::HTMLMediaElement::mediaPlayerCurrentPlaybackTargetIsWirelessChanged): Ditto.
+        (WebCore::HTMLMediaElement::removeEventListener): Ditto.
+        (WebCore::HTMLMediaElement::enqueuePlaybackTargetAvailabilityChangedEvent): Ditto.
+        (WebCore::HTMLMediaElement::updateMediaState): Update after a timer when passed UpdateMediaState::Asynchronously.
+        (WebCore::HTMLMediaElement::mediaState): Don't set the ExternalDeviceAutoPlayCandidate flag if
+          m_initiallyMuted is true.
+        * html/HTMLMediaElement.h:
+        * html/HTMLMediaElementEnums.h:
+
</ins><span class="cx"> 2015-06-26  Daniel Bates  &lt;dabates@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Rolling out r184660
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLMediaElementcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLMediaElement.cpp (186015 => 186016)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLMediaElement.cpp        2015-06-26 22:55:17 UTC (rev 186015)
+++ trunk/Source/WebCore/html/HTMLMediaElement.cpp        2015-06-26 23:33:21 UTC (rev 186016)
</span><span class="lines">@@ -326,6 +326,7 @@
</span><span class="cx">     , m_autoplaying(true)
</span><span class="cx">     , m_muted(false)
</span><span class="cx">     , m_explicitlyMuted(false)
</span><ins>+    , m_initiallyMuted(false)
</ins><span class="cx">     , m_paused(true)
</span><span class="cx">     , m_seeking(false)
</span><span class="cx">     , m_sentStalledEvent(false)
</span><span class="lines">@@ -758,6 +759,9 @@
</span><span class="cx">         setFlags(m_pendingActionFlags, CheckPlaybackTargetCompatablity);
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><ins>+    if (actionType &amp; CheckMediaState)
+        setFlags(m_pendingActionFlags, CheckMediaState);
+
</ins><span class="cx">     m_pendingActionTimer.startOneShot(0);
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -807,6 +811,9 @@
</span><span class="cx">         LOG(Media, &quot;HTMLMediaElement::pendingActionTimerFired(%p) - calling setShouldPlayToPlaybackTarget(false)&quot;, this);
</span><span class="cx">         m_player-&gt;setShouldPlayToPlaybackTarget(false);
</span><span class="cx">     }
</span><ins>+
+    if (m_pendingActionFlags &amp; CheckMediaState)
+        updateMediaState();
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     m_pendingActionFlags = 0;
</span><span class="lines">@@ -2068,7 +2075,8 @@
</span><span class="cx">         if (hasEventListeners(eventNames().webkitplaybacktargetavailabilitychangedEvent))
</span><span class="cx">             enqueuePlaybackTargetAvailabilityChangedEvent();
</span><span class="cx"> #endif
</span><del>-        
</del><ins>+        m_initiallyMuted = m_volume &lt; 0.05 || muted();
+
</ins><span class="cx">         if (hasMediaControls())
</span><span class="cx">             mediaControls()-&gt;loadedMetadata();
</span><span class="cx">         if (renderer())
</span><span class="lines">@@ -3087,7 +3095,7 @@
</span><span class="cx">         document().updateIsPlayingMedia();
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(WIRELESS_PLAYBACK_TARGET)
</span><del>-        updateMediaState();
</del><ins>+        updateMediaState(UpdateMediaState::Asynchronously);
</ins><span class="cx"> #endif
</span><span class="cx">     }
</span><span class="cx"> #endif
</span><span class="lines">@@ -4402,7 +4410,7 @@
</span><span class="cx">     m_player-&gt;setVideoFullscreenLayer(m_videoFullscreenLayer.get());
</span><span class="cx"> #endif
</span><span class="cx"> #if ENABLE(WIRELESS_PLAYBACK_TARGET)
</span><del>-    updateMediaState();
</del><ins>+    updateMediaState(UpdateMediaState::Asynchronously);
</ins><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -4700,7 +4708,7 @@
</span><span class="cx">     document().updateIsPlayingMedia();
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(WIRELESS_PLAYBACK_TARGET)
</span><del>-    updateMediaState();
</del><ins>+    updateMediaState(UpdateMediaState::Asynchronously);
</ins><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -4963,7 +4971,7 @@
</span><span class="cx"> 
</span><span class="cx">     configureMediaControls();
</span><span class="cx">     scheduleEvent(eventNames().webkitcurrentplaybacktargetiswirelesschangedEvent);
</span><del>-    updateMediaState();
</del><ins>+    updateMediaState(UpdateMediaState::Asynchronously);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool HTMLMediaElement::dispatchEvent(PassRefPtr&lt;Event&gt; prpEvent)
</span><span class="lines">@@ -5007,7 +5015,7 @@
</span><span class="cx">     if (didRemoveLastAvailabilityChangedListener) {
</span><span class="cx">         m_hasPlaybackTargetAvailabilityListeners = false;
</span><span class="cx">         m_mediaSession-&gt;setHasPlaybackTargetAvailabilityListeners(*this, false);
</span><del>-        updateMediaState();
</del><ins>+        updateMediaState(UpdateMediaState::Asynchronously);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     return true;
</span><span class="lines">@@ -5020,7 +5028,7 @@
</span><span class="cx">     RefPtr&lt;Event&gt; event = WebKitPlaybackTargetAvailabilityEvent::create(eventNames().webkitplaybacktargetavailabilitychangedEvent, hasTargets);
</span><span class="cx">     event-&gt;setTarget(this);
</span><span class="cx">     m_asyncEventQueue.enqueueEvent(event.release());
</span><del>-    updateMediaState();
</del><ins>+    updateMediaState(UpdateMediaState::Asynchronously);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void HTMLMediaElement::setWirelessPlaybackTarget(Ref&lt;MediaPlaybackTarget&gt;&amp;&amp; device)
</span><span class="lines">@@ -6295,8 +6303,13 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(WIRELESS_PLAYBACK_TARGET)
</span><del>-void HTMLMediaElement::updateMediaState()
</del><ins>+void HTMLMediaElement::updateMediaState(UpdateMediaState updateState)
</ins><span class="cx"> {
</span><ins>+    if (updateState == UpdateMediaState::Asynchronously) {
+        scheduleDelayedAction(CheckMediaState);
+        return;
+    }
+
</ins><span class="cx">     MediaProducer::MediaStateFlags state = mediaState();
</span><span class="cx">     if (m_mediaState == state)
</span><span class="cx">         return;
</span><span class="lines">@@ -6321,7 +6334,7 @@
</span><span class="cx">         state |= RequiresPlaybackTargetMonitoring;
</span><span class="cx"> 
</span><span class="cx">     bool requireUserGesture = m_mediaSession-&gt;hasBehaviorRestriction(MediaElementSession::RequireUserGestureToAutoplayToExternalDevice);
</span><del>-    if (hasActiveVideo &amp;&amp; (!requireUserGesture || (hasAudio &amp;&amp; !loop())))
</del><ins>+    if (hasActiveVideo &amp;&amp; (!requireUserGesture || (hasAudio &amp;&amp; !m_initiallyMuted &amp;&amp; !loop())))
</ins><span class="cx">         state |= ExternalDeviceAutoPlayCandidate;
</span><span class="cx"> #endif
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLMediaElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLMediaElement.h (186015 => 186016)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLMediaElement.h        2015-06-26 22:55:17 UTC (rev 186015)
+++ trunk/Source/WebCore/html/HTMLMediaElement.h        2015-06-26 23:33:21 UTC (rev 186016)
</span><span class="lines">@@ -725,7 +725,12 @@
</span><span class="cx"> #if ENABLE(WIRELESS_PLAYBACK_TARGET)
</span><span class="cx">     virtual void documentWillSuspendForPageCache() override final;
</span><span class="cx">     virtual void documentDidResumeFromPageCache() override final;
</span><del>-    void updateMediaState();
</del><ins>+
+    enum class UpdateMediaState {
+        Asynchronously,
+        Synchronously,
+    };
+    void updateMediaState(UpdateMediaState updateState = UpdateMediaState::Synchronously);
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     Timer m_pendingActionTimer;
</span><span class="lines">@@ -837,6 +842,7 @@
</span><span class="cx">     bool m_autoplaying : 1;
</span><span class="cx">     bool m_muted : 1;
</span><span class="cx">     bool m_explicitlyMuted : 1;
</span><ins>+    bool m_initiallyMuted : 1;
</ins><span class="cx">     bool m_paused : 1;
</span><span class="cx">     bool m_seeking : 1;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlHTMLMediaElementEnumsh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/HTMLMediaElementEnums.h (186015 => 186016)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/HTMLMediaElementEnums.h        2015-06-26 22:55:17 UTC (rev 186015)
+++ trunk/Source/WebCore/html/HTMLMediaElementEnums.h        2015-06-26 23:33:21 UTC (rev 186016)
</span><span class="lines">@@ -40,8 +40,9 @@
</span><span class="cx">         TextTrackChangesNotification = 1 &lt;&lt; 2,
</span><span class="cx">         ConfigureTextTrackDisplay = 1 &lt;&lt; 3,
</span><span class="cx">         CheckPlaybackTargetCompatablity = 1 &lt;&lt; 4,
</span><ins>+        CheckMediaState = 1 &lt;&lt; 5,
</ins><span class="cx"> 
</span><del>-        EveryDelayedAction = LoadMediaResource | ConfigureTextTracks | TextTrackChangesNotification | ConfigureTextTrackDisplay | CheckPlaybackTargetCompatablity,
</del><ins>+        EveryDelayedAction = LoadMediaResource | ConfigureTextTracks | TextTrackChangesNotification | ConfigureTextTrackDisplay | CheckPlaybackTargetCompatablity | CheckMediaState,
</ins><span class="cx">     };
</span><span class="cx"> 
</span><span class="cx">     enum ReadyState { HAVE_NOTHING, HAVE_METADATA, HAVE_CURRENT_DATA, HAVE_FUTURE_DATA, HAVE_ENOUGH_DATA };
</span></span></pre>
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