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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_DOM_DOM_ANIMATABLE_H_
#define COBALT_DOM_DOM_ANIMATABLE_H_
#include "base/compiler_specific.h"
#include "cobalt/dom/document.h"
#include "cobalt/dom/event.h"
#include "cobalt/dom/html_element.h"
#include "cobalt/dom/pseudo_element.h"
#include "cobalt/web_animations/animatable.h"
namespace cobalt {
namespace dom {
// In order to keep the Web Animations module not dependent on DOM, Animatable
// is left abstract, and is subclassed within DOM here in order to connect
// it to DOM. Note that this informally implements the specification statement
// that Element and PseudoElement should "implement" Animatable, as indicated
// in the IDL Index:
// https://www.w3.org/TR/2015/WD-web-animations-1-20150707/#idl-index
class DOMAnimatable : public web_animations::Animatable {
public:
explicit DOMAnimatable(Element* element)
: element_(element), pseudo_element_(NULL) {}
explicit DOMAnimatable(PseudoElement* pseudo_element)
: element_(NULL), pseudo_element_(pseudo_element) {}
// Returns the default timeline associated with the document that is
// associated with the underlying Element or PseudoElement.
scoped_refptr<web_animations::AnimationTimeline> GetDefaultTimeline()
const OVERRIDE;
// Registers an animation with this Animatable (which may internally be
// either an HTMLElement or a PseudoElement).
void Register(web_animations::Animation* animation) OVERRIDE;
void Deregister(web_animations::Animation* animation) OVERRIDE;
// Returns the element that acts as an EventTarget for this animatable.
// In the case of elements, it will be the element itself. In the case of
// pseudo elements, it will be the pseudo element's parent element.
Element* GetEventTarget();
private:
Element* element_;
PseudoElement* pseudo_element_;
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_DOM_ANIMATABLE_H_