Notify WebMediaPlayer when its ancestor enters/exists fullscreen.

third_party/WebKit/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
@@ skipping 19 matching lines @@
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptEventListener.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/HTMLNames.h"
 #include "core/css/MediaList.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ElementVisibilityObserver.h"
-#include "core/dom/Fullscreen.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/Event.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/AutoplayUmaHelper.h"
 #include "core/html/HTMLMediaSource.h"
@@ skipping 424 matching lines @@
   if ((document.settings() &&
        document.settings()->mediaPlaybackRequiresUserGesture()) ||
       m_autoplayHelper->isExperimentEnabled()) {
     m_lockedPendingUserGesture = true;
   }
 
   setHasCustomStyleCallbacks();
   addElementToDocumentMap(this, &document);
 
   UseCounter::count(document, UseCounter::HTMLMediaElement);
+
+  Fullscreen::from(document).registerObserver(this);
 }
 
 HTMLMediaElement::~HTMLMediaElement() {
   BLINK_MEDIA_LOG << "~HTMLMediaElement(" << (void*)this << ")";
 
   // m_audioSourceNode is explicitly cleared by AudioNode::dispose().
   // Since AudioNode::dispose() is guaranteed to be always called before
   // the AudioNode is destructed, m_audioSourceNode is explicitly cleared
   // even if the AudioNode and the HTMLMediaElement die together.
   DCHECK(!m_audioSourceNode);
+
+  Fullscreen::from(document()).removeObserver(this);
 }
 
 void HTMLMediaElement::dispose() {
   closeMediaSource();
 
   // Destroying the player may cause a resource load to be canceled,
   // which could result in LocalDOMWindow::dispatchWindowLoadEvent() being
   // called via ResourceFetch::didLoadResource(), then
   // FrameLoader::checkCompleted(). But it's guaranteed that the load event
   // doesn't get dispatched during the object destruction.
@@ skipping 3586 matching lines @@
 }
 
 IntRect HTMLMediaElement::AutoplayHelperClientImpl::absoluteBoundingBoxRect()
     const {
   IntRect result;
   if (LayoutObject* object = m_element->layoutObject())
     result = object->absoluteBoundingBoxRect();
   return result;
 }
 
+void HTMLMediaElement::onEnteredFullscreen() {
+  if (!webMediaPlayer())
+    return;
+  if (isFullscreen())
+    return;
+
+  Element* fullscreenElement =
+      Fullscreen::currentFullScreenElementFrom(document());
+  if (fullscreenElement->isShadowIncludingInclusiveAncestorOf(this) &&
+      clientWidth() >= document().domWindow()->innerWidth() * 0.9 &&
+      clientHeight() >= document().domWindow()->innerHeight() * 0.9)
+    webMediaPlayer()->enteredFullWindow();
+}
+
+void HTMLMediaElement::onExitedFullscreen() {
+  if (webMediaPlayer())
+    webMediaPlayer()->exitedFullWindow();
+}
+
 }  // namespace blink