blob: 4f18fef1569b53ebfba1e8e65e78fb3997a1bac0 [file] [log] [blame]
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "ui/android/edge_effect_base.h"
#include "ui/android/ui_android_export.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/size.h"
namespace cc {
class Layer;
class UIResourceLayer;
namespace ui {
class ResourceManager;
namespace ui {
// |EdgeEffectL| mirrors its Android L counterpart,
// Conscious tradeoffs were made to align this as closely as possible with the
// the original Android java version.
// All coordinates and dimensions are in device pixels.
class UI_ANDROID_EXPORT EdgeEffectL : public EdgeEffectBase {
explicit EdgeEffectL(ui::ResourceManager* resource_manager);
~EdgeEffectL() override;
void Pull(base::TimeTicks current_time,
float delta_distance,
float displacement) override;
void Absorb(base::TimeTicks current_time, float velocity) override;
bool Update(base::TimeTicks current_time) override;
void Release(base::TimeTicks current_time) override;
void Finish() override;
bool IsFinished() const override;
float GetAlpha() const override;
void ApplyToLayers(Edge edge,
const gfx::SizeF& viewport_size,
float offset) override;
void SetParent(cc::Layer* parent) override;
// Thread-safe trigger to load resources.
static void PreloadResources(ui::ResourceManager* resource_manager);
ui::ResourceManager* const resource_manager_;
scoped_refptr<cc::UIResourceLayer> glow_;
float glow_alpha_;
float glow_scale_y_;
float glow_alpha_start_;
float glow_alpha_finish_;
float glow_scale_y_start_;
float glow_scale_y_finish_;
gfx::RectF arc_rect_;
gfx::Size bounds_;
float displacement_;
float target_displacement_;
base::TimeTicks start_time_;
base::TimeDelta duration_;
State state_;
float pull_distance_;
} // namespace ui