Hide overlay play button if it can't be shown without clipping

third_party/WebKit/Source/core/html/shadow/MediaControls.h

 /*
  * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2011, 2012 Google 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 65 matching lines @@
 
   // Return the internal elements, which is used by registering clicking
   // EventHandlers from MediaControlsWindowEventListener.
   MediaControlPanelElement* panelElement() { return m_panel; }
   MediaControlTimelineElement* timelineElement() { return m_timeline; }
   MediaControlCastButtonElement* castButtonElement() { return m_castButton; }
   MediaControlVolumeSliderElement* volumeSliderElement() {
     return m_volumeSlider;
   }
 
-  // Notify us that our controls enclosure has changed width.
-  void notifyPanelWidthChanged(const LayoutUnit& newWidth);
+  // Notify us that our controls enclosure has changed size.
+  void notifyPanelSizeChanged(int newWidth, int newHeight);

[mlamouri (slow - plz ping), 2017/02/22 11:48:08]

I guess the name needs to be updated?

[steimel, 2017/02/23 00:53:48]

Done.

 
   // Notify us that the media element's network state has changed.
   void networkStateChanged();
 
   void toggleOverflowMenu();
 
   bool overflowMenuVisible();
 
   // TODO(mlamouri): this is temporary to notify the controls that an
   // HTMLTrackElement failed to load because there is no web exposed way to
@@ skipping 16 matching lines @@
 
  private:
   friend class MediaControlsMediaEventListener;
   friend class MediaControlsOrientationLockDelegateTest;
   friend class MediaControlsTest;
 
   void invalidate(Element*);
 
   class BatchedControlUpdate;
 
+  class MediaControlsResizeObserverCallback;

[mlamouri (slow - plz ping), 2017/02/22 11:48:08]

Do you need to have the class declared here?

[steimel, 2017/02/23 00:53:48]

Discussed offline and leaving here since I'm changing notifyElementSizeChanged
to be private and so MediaControlsResizeObserverCallback will need access

+  Member<ResizeObserver> m_resizeObserver;
+
   explicit MediaControls(HTMLMediaElement&);
 
   void initializeControls();
 
   void makeOpaque();
   void makeTransparent();
 
   void updatePlayState();
 
   enum HideBehaviorFlags {
     IgnoreNone = 0,
     IgnoreVideoHover = 1 << 0,
     IgnoreFocus = 1 << 1,
     IgnoreControlsHover = 1 << 2,
     IgnoreWaitForTimer = 1 << 3,
   };
 
   bool shouldHideMediaControls(unsigned behaviorFlags = 0) const;
   void hideMediaControlsTimerFired(TimerBase*);
   void startHideMediaControlsTimer();
   void stopHideMediaControlsTimer();
   void resetHideMediaControlsTimer();
 
-  void panelWidthChangedTimerFired(TimerBase*);
+  void panelSizeChangedTimerFired(TimerBase*);
 
   void hideAllMenus();
 
   // Hide elements that don't fit, and show those things that we want which
   // do fit.  This requires that m_panelWidth is current.
   void computeWhichControlsFit();
 
   // Node
   bool isMediaControls() const override { return true; }
   bool willRespondToMouseMoveEvents() override { return true; }
@@ skipping 45 matching lines @@
 
   Member<MediaControlsMediaEventListener> m_mediaEventListener;
   Member<MediaControlsWindowEventListener> m_windowEventListener;
   Member<MediaControlsOrientationLockDelegate> m_orientationLockDelegate;
 
   TaskRunnerTimer<MediaControls> m_hideMediaControlsTimer;
   unsigned m_hideTimerBehaviorFlags;
   bool m_isMouseOverControls : 1;
   bool m_isPausedForScrubbing : 1;
 
-  TaskRunnerTimer<MediaControls> m_panelWidthChangedTimer;
+  TaskRunnerTimer<MediaControls> m_panelSizeChangedTimer;
   int m_panelWidth;
+  int m_panelHeight;
 
   bool m_keepShowingUntilTimerFires : 1;
 };
 
 DEFINE_ELEMENT_TYPE_CASTS(MediaControls, isMediaControls());
 
 }  // namespace blink
 
 #endif