third_party/WebKit/public/platform/WebCompositorAnimationPlayer.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef WebCompositorAnimationPlayer_h
   6 #define WebCompositorAnimationPlayer_h
   7
   8 namespace blink {
   9
  10 class WebCompositorAnimation;
  11 class WebCompositorAnimationDelegate;
  12 class WebLayer;
  13
  14 // A compositor representation for AnimationPlayer.
  15 class WebCompositorAnimationPlayer {
  16 public:
  17     virtual ~WebCompositorAnimationPlayer() { }
  18
  19     // An animation delegate is notified when animations are started and
  20     // stopped. The WebCompositorAnimationPlayer does not take ownership of the delegate, and it is
  21     // the responsibility of the client to reset the layer's delegate before
  22     // deleting the delegate.
  23     virtual void setAnimationDelegate(WebCompositorAnimationDelegate*) = 0;
  24
  25     virtual void attachLayer(WebLayer*) = 0;
  26     virtual void detachLayer() = 0;
  27     virtual bool isLayerAttached() const = 0;
  28
  29     virtual void addAnimation(WebCompositorAnimation*) = 0;
  30     virtual void removeAnimation(int animationId) = 0;
  31     virtual void pauseAnimation(int animationId, double timeOffset) = 0;
  32 };
  33
  34 } // namespace blink
  35
  36 #endif // WebCompositorAnimationPlayer_h