Revert "Remove the HTMLVideoElement-specific prefixed fullscreen API"

Source/core/html/HTMLMediaElement.h

 /*
  * 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 217 matching lines @@
     // Both Node (via HTMLElement) and ActiveDOMObject define this method, which
     // causes an ambiguity error at compile time. This class's constructor
     // ensures that both implementations return document, so return the result
     // of one of them here.
     virtual ExecutionContext* executionContext() const OVERRIDE FINAL { return HTMLElement::executionContext(); }
 
     bool hasSingleSecurityOrigin() const { return !m_player || m_player->hasSingleSecurityOrigin(); }
 
     bool isFullscreen() const;
     virtual void enterFullscreen() OVERRIDE FINAL;
+    void exitFullscreen();
 
     virtual bool hasClosedCaptions() const OVERRIDE FINAL;
     virtual bool closedCaptionsVisible() const OVERRIDE FINAL;
     virtual void setClosedCaptionsVisible(bool) OVERRIDE FINAL;
 
     MediaControls* mediaControls() const;
 
     void sourceWasRemoved(HTMLSourceElement*);
     void sourceWasAdded(HTMLSourceElement*);
 
@@ skipping 30 matching lines @@
     virtual void didMoveToNewDocument(Document& oldDocument) OVERRIDE;
 
     enum DisplayMode { Unknown, Poster, PosterWaitingForVideo, Video };
     DisplayMode displayMode() const { return m_displayMode; }
     virtual void setDisplayMode(DisplayMode mode) { m_displayMode = mode; }
 
     virtual bool isMediaElement() const OVERRIDE FINAL { return true; }
 
     void setControllerInternal(PassRefPtr<MediaController>);
 
+    // Restrictions to change default behaviors.
+    enum BehaviorRestrictionFlags {
+        NoRestrictions = 0,
+        RequireUserGestureForPlayRestriction = 1 << 0,
+        RequireUserGestureForFullscreenRestriction = 1 << 1,
+    };
+    typedef unsigned BehaviorRestrictions;
+
+    bool userGestureRequiredForPlay() const { return m_restrictions & RequireUserGestureForPlayRestriction; }
+    bool userGestureRequiredForFullscreen() const { return m_restrictions & RequireUserGestureForFullscreenRestriction; }
+
+    void addBehaviorRestriction(BehaviorRestrictions restriction) { m_restrictions |= restriction; }
+    void removeBehaviorRestriction(BehaviorRestrictions restriction) { m_restrictions &= ~restriction; }
+
     bool ignoreTrackDisplayUpdateRequests() const { return m_ignoreTrackDisplayUpdate > 0; }
     void beginIgnoringTrackDisplayUpdateRequests();
     void endIgnoringTrackDisplayUpdateRequests();
 
 private:
     void createMediaPlayer();
 
     virtual bool alwaysCreateUserAgentShadowRoot() const OVERRIDE FINAL { return true; }
     virtual bool areAuthorShadowsAllowed() const OVERRIDE FINAL { return false; }
 
@@ skipping 101 matching lines @@
     bool createMediaControls();
     void configureMediaControls();
 
     void prepareMediaFragmentURI();
     void applyMediaFragmentURI();
 
     virtual void* preDispatchEventHandler(Event*) OVERRIDE FINAL;
 
     void changeNetworkStateFromLoadingToIdle();
 
+    void removeBehaviorsRestrictionsAfterFirstUserGesture();
+
     const AtomicString& mediaGroup() const;
     void setMediaGroup(const AtomicString&);
     void updateMediaController();
     bool isBlocked() const;
     bool isBlockedOnMediaController() const;
     bool isAutoplaying() const { return m_autoplaying; }
 
     Timer<HTMLMediaElement> m_loadTimer;
     Timer<HTMLMediaElement> m_progressEventTimer;
     Timer<HTMLMediaElement> m_playbackProgressTimer;
@@ skipping 26 matching lines @@
     // Loading state.
     enum LoadState { WaitingForSource, LoadingFromSrcAttr, LoadingFromSourceElement };
     LoadState m_loadState;
     RefPtr<HTMLSourceElement> m_currentSourceNode;
     RefPtr<Node> m_nextChildNodeToConsider;
 
     OwnPtr<MediaPlayer> m_player;
     blink::WebLayer* m_webLayer;
     bool m_opaque;
 
+    BehaviorRestrictions m_restrictions;
+
     MediaPlayer::Preload m_preload;
 
     DisplayMode m_displayMode;
 
     RefPtr<HTMLMediaSource> m_mediaSource;
 
     mutable double m_cachedTime;
     mutable double m_cachedTimeWallClockUpdateTime;
     mutable double m_minimumWallClockTimeToCacheMediaTime;
 
     double m_fragmentStartTime;
     double m_fragmentEndTime;
 
     typedef unsigned PendingActionFlags;
     PendingActionFlags m_pendingActionFlags;
 
     // FIXME: MediaElement has way too many state bits.
-    bool m_userGestureRequiredForPlay : 1;
     bool m_playing : 1;
     bool m_shouldDelayLoadEvent : 1;
     bool m_haveFiredLoadedData : 1;
     bool m_active : 1;
     bool m_autoplaying : 1;
     bool m_muted : 1;
     bool m_paused : 1;
     bool m_seeking : 1;
 
     // data has not been loaded since sending a "stalled" event
@@ skipping 59 matching lines @@
 inline bool isHTMLMediaElement(const Node& node)
 {
     return node.isElementNode() && toElement(node).isMediaElement();
 }
 
 DEFINE_NODE_TYPE_CASTS_WITH_FUNCTION(HTMLMediaElement);
 
 } //namespace
 
 #endif