| // 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. |
| |
| #ifndef CONTENT_BROWSER_ANDROID_EDGE_EFFECT_L_H_ |
| #define CONTENT_BROWSER_ANDROID_EDGE_EFFECT_L_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "content/browser/android/edge_effect_base.h" |
| #include "ui/gfx/geometry/rect_f.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace cc { |
| class Layer; |
| class UIResourceLayer; |
| } |
| |
| namespace ui { |
| class SystemUIResourceManager; |
| } |
| |
| namespace content { |
| |
| // |EdgeEffectL| mirrors its Android L counterpart, EdgeEffect.java. |
| // 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 EdgeEffectL : public EdgeEffectBase { |
| public: |
| explicit EdgeEffectL(ui::SystemUIResourceManager* resource_manager); |
| virtual ~EdgeEffectL(); |
| |
| virtual void Pull(base::TimeTicks current_time, |
| float delta_distance, |
| float displacement) OVERRIDE; |
| virtual void Absorb(base::TimeTicks current_time, float velocity) OVERRIDE; |
| virtual bool Update(base::TimeTicks current_time) OVERRIDE; |
| virtual void Release(base::TimeTicks current_time) OVERRIDE; |
| |
| virtual void Finish() OVERRIDE; |
| virtual bool IsFinished() const OVERRIDE; |
| |
| virtual void ApplyToLayers(const gfx::SizeF& size, |
| const gfx::Transform& transform) OVERRIDE; |
| virtual void SetParent(cc::Layer* parent) OVERRIDE; |
| |
| // Thread-safe trigger to load resources. |
| static void PreloadResources(ui::SystemUIResourceManager* resource_manager); |
| |
| private: |
| ui::SystemUIResourceManager* 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(EdgeEffectL); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_ANDROID_EDGE_EFFECT_L_H_ |