Use internal hooks for notifying fullscreen changes to media controls

third_party/WebKit/Source/core/html/shadow/MediaControlsMediaEventListener.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/html/shadow/MediaControlsMediaEventListener.h"
 
 #include "core/events/Event.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/shadow/MediaControls.h"
 #include "core/html/track/TextTrackList.h"
@@ skipping 12 matching lines @@
 
   mediaElement().addEventListener(EventTypeNames::volumechange, this, false);
   mediaElement().addEventListener(EventTypeNames::focusin, this, false);
   mediaElement().addEventListener(EventTypeNames::timeupdate, this, false);
   mediaElement().addEventListener(EventTypeNames::play, this, false);
   mediaElement().addEventListener(EventTypeNames::pause, this, false);
   mediaElement().addEventListener(EventTypeNames::durationchange, this, false);
   mediaElement().addEventListener(EventTypeNames::error, this, false);
   mediaElement().addEventListener(EventTypeNames::loadedmetadata, this, false);
 
-  // Listen to two different fullscreen events in order to make sure the new and
-  // old APIs are handled.
-  mediaElement().addEventListener(EventTypeNames::webkitfullscreenchange, this,
-                                  false);
-  m_mediaControls->document().addEventListener(EventTypeNames::fullscreenchange,
-                                               this, false);
-
   // TextTracks events.
   TextTrackList* textTracks = mediaElement().textTracks();
   textTracks->addEventListener(EventTypeNames::addtrack, this, false);
   textTracks->addEventListener(EventTypeNames::change, this, false);
   textTracks->addEventListener(EventTypeNames::removetrack, this, false);
 }
 
 void MediaControlsMediaEventListener::detach() {
   DCHECK(!mediaElement().isConnected());
 
-  m_mediaControls->document().removeEventListener(
-      EventTypeNames::fullscreenchange, this, false);
-
   TextTrackList* textTracks = mediaElement().textTracks();
   textTracks->removeEventListener(EventTypeNames::addtrack, this, false);
   textTracks->removeEventListener(EventTypeNames::change, this, false);
   textTracks->removeEventListener(EventTypeNames::removetrack, this, false);
 }
 
 bool MediaControlsMediaEventListener::operator==(
     const EventListener& other) const {
   return this == &other;
 }
@@ skipping 31 matching lines @@
   }
   if (event->type() == EventTypeNames::error) {
     m_mediaControls->onError();
     return;
   }
   if (event->type() == EventTypeNames::loadedmetadata) {
     m_mediaControls->onLoadedMetadata();
     return;
   }
 
-  // Fullscreen handling.
-  if (event->type() == EventTypeNames::fullscreenchange ||
-      event->type() == EventTypeNames::webkitfullscreenchange) {
-    if (mediaElement().isFullscreen())
-      m_mediaControls->onEnteredFullscreen();
-    else
-      m_mediaControls->onExitedFullscreen();
-    return;
-  }
-
   // TextTracks events.
   if (event->type() == EventTypeNames::addtrack ||
       event->type() == EventTypeNames::removetrack) {
     m_mediaControls->onTextTracksAddedOrRemoved();
     return;
   }
   if (event->type() == EventTypeNames::change) {
     m_mediaControls->onTextTracksChanged();
     return;
   }
 
   NOTREACHED();
 }
 
 DEFINE_TRACE(MediaControlsMediaEventListener) {
   EventListener::trace(visitor);
   visitor->trace(m_mediaControls);
 }
 
 }  // namespace blink