chromium/ui/compositor/layer_animation_observer.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_OBSERVER_H_
#define UI_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_

#include <map>
#include <set>

#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "ui/compositor/compositor_export.h"
#include "ui/compositor/layer_animation_element.h"

namespace ui {

namespace test {
class CountCheckingLayerAnimationObserver;
class LayerAnimationObserverTestApi;
}  // namespace test

class LayerAnimationSequence;
class ScopedLayerAnimationSettings;
class ImplicitAnimationObserver;

// LayerAnimationObservers are notified when animations complete.
class COMPOSITOR_EXPORT LayerAnimationObserver  { … };

// An implicit animation observer is intended to be used in conjunction with a
// ScopedLayerAnimationSettings object in order to receive a notification when
// all implicit animations complete.
// TODO(bruthig): Unify the ImplicitAnimationObserver with the
// CallbackLayerAnimationObserver. (See www.crbug.com/542825).
class COMPOSITOR_EXPORT ImplicitAnimationObserver
    : public LayerAnimationObserver { … };

}  // namespace ui

#endif  // UI_COMPOSITOR_LAYER_ANIMATION_OBSERVER_H_