Title: [190470] branches/safari-601.1.46-branch/Source/WebCore

Diff

Modified: branches/safari-601.1.46-branch/Source/WebCore/ChangeLog (190469 => 190470)


--- branches/safari-601.1.46-branch/Source/WebCore/ChangeLog	2015-10-02 08:06:44 UTC (rev 190469)
+++ branches/safari-601.1.46-branch/Source/WebCore/ChangeLog	2015-10-02 08:07:40 UTC (rev 190470)
@@ -1,5 +1,43 @@
 2015-10-02  Babak Shafiei  <[email protected]>
 
+        Merge r189322.
+
+    2015-09-03  Jer Noble  <[email protected]>
+
+            [iOS] Playback does not pause when deselecting route and locking screen.
+            https://bugs.webkit.org/show_bug.cgi?id=148724
+
+            Reviewed by Eric Carlson.
+
+            When deselecting a route, the route change notification can be delayed for some amount
+            of time. If the screen is locked before the notification is fired, the PlatformMediaSessionManager
+            can refuse to pause the video when entering the background due to a wireless playback route
+            still being active.
+
+            When the media element transitions from having an active route to not having one (or vice versa),
+            re-run the interruption check. In order to correctly determine, when that occurs, whether
+            we are in an 'application background' state, cache that value to an ivar when handling
+            application{Will,Did}Enter{Background,Foreground}.
+
+            Because we only want to run this step during an actual transition between playing to a route ->
+            playing locally, cache the value of isPlayingToWirelessPlayback to another ivar, and only
+            inform the PlatformMediaSessionManager when that value actually changes.
+
+            * html/HTMLMediaElement.cpp:
+            (WebCore::HTMLMediaElement::mediaPlayerCurrentPlaybackTargetIsWirelessChanged):
+            * platform/audio/PlatformMediaSession.cpp:
+            (WebCore::PlatformMediaSession::isPlayingToWirelessPlaybackTargetChanged): Set or clear m_isPlayingToWirelessPlaybackTarget.
+            * platform/audio/PlatformMediaSession.h:
+            (WebCore::PlatformMediaSession::isPlayingToWirelessPlaybackTarget): Simple getter.
+            * platform/audio/PlatformMediaSessionManager.cpp:
+            (WebCore::PlatformMediaSessionManager::applicationWillEnterBackground): Set m_isApplicationInBackground.
+            (WebCore::PlatformMediaSessionManager::applicationDidEnterBackground): Ditto.
+            (WebCore::PlatformMediaSessionManager::applicationWillEnterForeground): Clear m_isApplicationInBackground.
+            (WebCore::PlatformMediaSessionManager::sessionIsPlayingToWirelessPlaybackTargetChanged): Run interruption
+                if application is in background.
+
+2015-10-02  Babak Shafiei  <[email protected]>
+
         Merge r188768.
 
     2015-08-21  Joseph Pecoraro  <[email protected]>

Modified: branches/safari-601.1.46-branch/Source/WebCore/html/HTMLMediaElement.cpp (190469 => 190470)


--- branches/safari-601.1.46-branch/Source/WebCore/html/HTMLMediaElement.cpp	2015-10-02 08:06:44 UTC (rev 190469)
+++ branches/safari-601.1.46-branch/Source/WebCore/html/HTMLMediaElement.cpp	2015-10-02 08:07:40 UTC (rev 190470)
@@ -5036,9 +5036,10 @@
 void HTMLMediaElement::mediaPlayerCurrentPlaybackTargetIsWirelessChanged(MediaPlayer*)
 {
     LOG(Media, "HTMLMediaElement::mediaPlayerCurrentPlaybackTargetIsWirelessChanged(%p) - webkitCurrentPlaybackTargetIsWireless = %s", this, boolString(webkitCurrentPlaybackTargetIsWireless()));
-
+    ASSERT(m_player);
     configureMediaControls();
     scheduleEvent(eventNames().webkitcurrentplaybacktargetiswirelesschangedEvent);
+    m_mediaSession->isPlayingToWirelessPlaybackTargetChanged(m_player->isCurrentPlaybackTargetWireless());
     updateMediaState(UpdateMediaState::Asynchronously);
 }
 

Modified: branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSession.cpp (190469 => 190470)


--- branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSession.cpp	2015-10-02 08:06:44 UTC (rev 190469)
+++ branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSession.cpp	2015-10-02 08:07:40 UTC (rev 190470)
@@ -255,6 +255,15 @@
     return m_client.elementIsHidden();
 }
 
+void PlatformMediaSession::isPlayingToWirelessPlaybackTargetChanged(bool isWireless)
+{
+    if (isWireless == m_isPlayingToWirelessPlaybackTarget)
+        return;
+
+    m_isPlayingToWirelessPlaybackTarget = isWireless;
+    PlatformMediaSessionManager::sharedManager().sessionIsPlayingToWirelessPlaybackTargetChanged(*this);
+}
+
 PlatformMediaSession::DisplayType PlatformMediaSession::displayType() const
 {
     return m_client.displayType();

Modified: branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSession.h (190469 => 190470)


--- branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSession.h	2015-10-02 08:06:44 UTC (rev 190469)
+++ branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSession.h	2015-10-02 08:07:40 UTC (rev 190470)
@@ -125,7 +125,8 @@
     bool isHidden() const;
 
     virtual bool canPlayToWirelessPlaybackTarget() const { return false; }
-    virtual bool isPlayingToWirelessPlaybackTarget() const { return false; }
+    virtual bool isPlayingToWirelessPlaybackTarget() const { return m_isPlayingToWirelessPlaybackTarget; }
+    void isPlayingToWirelessPlaybackTargetChanged(bool);
 
 #if ENABLE(WIRELESS_PLAYBACK_TARGET)
     // MediaPlaybackTargetClient
@@ -151,6 +152,7 @@
     State m_stateToRestore;
     int m_interruptionCount { 0 };
     bool m_notifyingClient;
+    bool m_isPlayingToWirelessPlaybackTarget { false };
 
     friend class PlatformMediaSessionManager;
 };

Modified: branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp (190469 => 190470)


--- branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp	2015-10-02 08:06:44 UTC (rev 190469)
+++ branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSessionManager.cpp	2015-10-02 08:07:40 UTC (rev 190470)
@@ -276,6 +276,12 @@
 void PlatformMediaSessionManager::applicationWillEnterBackground() const
 {
     LOG(Media, "PlatformMediaSessionManager::applicationWillEnterBackground");
+
+    if (m_isApplicationInBackground)
+        return;
+
+    m_isApplicationInBackground = true;
+    
     Vector<PlatformMediaSession*> sessions = m_sessions;
     for (auto* session : sessions) {
         if (m_restrictions[session->mediaType()] & BackgroundProcessPlaybackRestricted)
@@ -300,6 +306,12 @@
 void PlatformMediaSessionManager::applicationWillEnterForeground() const
 {
     LOG(Media, "PlatformMediaSessionManager::applicationWillEnterForeground");
+
+    if (!m_isApplicationInBackground)
+        return;
+
+    m_isApplicationInBackground = false;
+
     Vector<PlatformMediaSession*> sessions = m_sessions;
     for (auto* session : sessions) {
         if (m_restrictions[session->mediaType()] & BackgroundProcessPlaybackRestricted)
@@ -307,6 +319,15 @@
     }
 }
 
+void PlatformMediaSessionManager::sessionIsPlayingToWirelessPlaybackTargetChanged(PlatformMediaSession& session)
+{
+    if (!m_isApplicationInBackground || !(m_restrictions[session.mediaType()] & BackgroundProcessPlaybackRestricted))
+        return;
+
+    if (session.state() != PlatformMediaSession::Interrupted && session.shouldDoInterruption(PlatformMediaSession::EnteringBackground))
+        session.doInterruption();
+}
+
 #if !PLATFORM(COCOA)
 void PlatformMediaSessionManager::updateSessionState()
 {

Modified: branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSessionManager.h (190469 => 190470)


--- branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSessionManager.h	2015-10-02 08:06:44 UTC (rev 190469)
+++ branches/safari-601.1.46-branch/Source/WebCore/platform/audio/PlatformMediaSessionManager.h	2015-10-02 08:07:40 UTC (rev 190470)
@@ -93,6 +93,8 @@
     void setCurrentSession(PlatformMediaSession&);
     PlatformMediaSession* currentSession();
 
+    void sessionIsPlayingToWirelessPlaybackTargetChanged(PlatformMediaSession&);
+
 protected:
     friend class PlatformMediaSession;
     explicit PlatformMediaSessionManager();
@@ -131,6 +133,7 @@
 #endif
 
     bool m_interrupted { false };
+    mutable bool m_isApplicationInBackground { false };
 };
 
 }
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