chromium/ui/compositor/layer_animation_sequence.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_
#define UI_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_

#include <stddef.h>

#include <memory>
#include <vector>

#include "base/gtest_prod_util.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/time/time.h"
#include "ui/compositor/compositor_export.h"
#include "ui/compositor/layer_animation_element.h"

namespace ui {

class LayerAnimationDelegate;
class LayerAnimationObserver;

// Contains a collection of layer animation elements to be played one after
// another. Although it has a similar interface to LayerAnimationElement, it is
// not a LayerAnimationElement (i.e., it is not permitted to have a sequence in
// a sequence). Sequences own their elements, and sequences are themselves owned
// by a LayerAnimator.
//
// TODO(vollick) Create a 'blended' sequence for transitioning between
// sequences.
class COMPOSITOR_EXPORT LayerAnimationSequence { … };

}  // namespace ui

#endif  // UI_COMPOSITOR_LAYER_ANIMATION_SEQUENCE_H_