Implement the activation behavior of media elements (click to play/pause)

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 2204 matching lines @@
         m_lastTimeUpdateEventWallTime = now;
         m_lastTimeUpdateEventMovieTime = movieTime;
     }
 }
 
 bool HTMLMediaElement::canPlay() const
 {
     return paused() || ended() || m_readyState < HAVE_METADATA;
 }
 
+void HTMLMediaElement::togglePlayState()
+{
+    ASSERT(controls());
+    // The activation behavior of a media element that is exposing a user interface to the user
+    if (m_mediaController) {
+        if (m_mediaController->isRestrained())
+            m_mediaController->play();
+        else if (m_mediaController->paused())
+            m_mediaController->unpause();
+        else
+            m_mediaController->pause();
+    } else {
+        if (paused())
+            play();
+        else
+            pause();
+    }
+}
+
 void HTMLMediaElement::mediaPlayerDidAddTextTrack(WebInbandTextTrack* webTrack)
 {
     if (!RuntimeEnabledFeatures::videoTrackEnabled())
         return;
 
     // 4.8.10.12.2 Sourcing in-band text tracks
     // 1. Associate the relevant data with a new text track and its corresponding new TextTrack object.
     RefPtr<InbandTextTrack> textTrack = InbandTextTrack::create(document(), webTrack);
 
     // 2. Set the new text track's kind, label, and language based on the semantics of the relevant data,
@@ skipping 1181 matching lines @@
     for (unsigned i = 0; i < m_textTracks->length(); ++i) {
         RefPtr<TextTrack> textTrack = m_textTracks->item(i);
         String kind = textTrack->kind();
 
         if (kind == TextTrack::subtitlesKeyword() || kind == TextTrack::captionsKeyword())
             textTrack->setHasBeenConfigured(false);
     }
     configureTextTracks();
 }
 
+bool HTMLMediaElement::willRespondToMouseClickEvents()
+{
+    return controls();
+}
 
 void* HTMLMediaElement::preDispatchEventHandler(Event* event)
 {
     if (event && event->type() == EventTypeNames::webkitfullscreenchange)
         configureMediaControls();
 
     return 0;
 }
 
+void HTMLMediaElement::defaultEventHandler(Event* event)
+{
+    if (event->type() == EventTypeNames::click && willRespondToMouseClickEvents()) {
+        togglePlayState();
+        event->setDefaultHandled();
+        return;
+    }
+    HTMLElement::defaultEventHandler(event);
+}
+
 void HTMLMediaElement::createMediaPlayer()
 {
 #if ENABLE(WEB_AUDIO)
     if (m_audioSourceNode)
         m_audioSourceNode->lock();
 #endif
 
     if (m_mediaSource)
         closeMediaSource();
 
@@ skipping 208 matching lines @@
 {
     m_mediaSource->setWebMediaSourceAndOpen(adoptPtr(webMediaSource));
 }
 
 bool HTMLMediaElement::isInteractiveContent() const
 {
     return fastHasAttribute(controlsAttr);
 }
 
 }