chromium/ui/views/animation/square_ink_drop_ripple.h

// Copyright 2016 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_VIEWS_ANIMATION_SQUARE_INK_DROP_RIPPLE_H_
#define UI_VIEWS_ANIMATION_SQUARE_INK_DROP_RIPPLE_H_

#include <memory>
#include <string>

#include "base/callback_list.h"
#include "base/time/time.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animator.h"
#include "ui/gfx/animation/tween.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/transform.h"
#include "ui/views/animation/ink_drop_ripple.h"
#include "ui/views/animation/ink_drop_state.h"
#include "ui/views/views_export.h"

namespace ui {
class Layer;
}  // namespace ui

namespace views {
class CircleLayerDelegate;
class InkDropHost;
class RectangleLayerDelegate;

namespace test {
class SquareInkDropRippleTestApi;
}  // namespace test

// An ink drop ripple that smoothly animates between a circle and a rounded
// rectangle of different sizes for each of the different InkDropStates. The
// final frame for each InkDropState will be bounded by either a |large_size_|
// rectangle or a |small_size_| rectangle.
//
// The valid InkDropState transitions are defined below:
//
//   {All InkDropStates}           => HIDDEN
//   HIDDEN                        => ACTION_PENDING
//   HIDDEN, ACTION_PENDING        => ACTION_TRIGGERED
//   ACTION_PENDING                => ALTERNATE_ACTION_PENDING
//   ALTERNATE_ACTION_PENDING      => ALTERNATE_ACTION_TRIGGERED
//   {All InkDropStates}           => ACTIVATED
//   {All InkDropStates}           => DEACTIVATED
//
class VIEWS_EXPORT SquareInkDropRipple : public InkDropRipple { … };

}  // namespace views

#endif  // UI_VIEWS_ANIMATION_SQUARE_INK_DROP_RIPPLE_H_