| // 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 UI_EVENTS_GESTURES_BLINK_WEB_GESTURE_CURVE_IMPL_H_ |
| #define UI_EVENTS_GESTURES_BLINK_WEB_GESTURE_CURVE_IMPL_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "third_party/blink/public/platform/web_gesture_curve.h" |
| #include "third_party/blink/public/platform/web_gesture_device.h" |
| #include "ui/gfx/geometry/point_f.h" |
| #include "ui/gfx/geometry/vector2d_f.h" |
| |
| namespace ui { |
| class GestureCurve; |
| |
| class WebGestureCurveImpl : public blink::WebGestureCurve { |
| public: |
| static std::unique_ptr<blink::WebGestureCurve> CreateFromDefaultPlatformCurve( |
| blink::WebGestureDevice device_source, |
| const gfx::Vector2dF& initial_velocity, |
| const gfx::Vector2dF& initial_offset, |
| bool on_main_thread, |
| bool use_mobile_fling_curve, |
| const gfx::PointF& position_in_screen, |
| const gfx::Size& viewport_szie); |
| static std::unique_ptr<blink::WebGestureCurve> CreateFromUICurveForTesting( |
| std::unique_ptr<GestureCurve> curve, |
| const gfx::Vector2dF& initial_offset); |
| |
| ~WebGestureCurveImpl() override; |
| |
| // WebGestureCurve implementation. |
| bool Advance(double time, |
| gfx::Vector2dF& out_current_velocity, |
| gfx::Vector2dF& out_delta_to_scroll) override; |
| |
| private: |
| enum class ThreadType { |
| MAIN, |
| IMPL, |
| TEST |
| }; |
| |
| WebGestureCurveImpl(std::unique_ptr<GestureCurve> curve, |
| const gfx::Vector2dF& initial_offset, |
| ThreadType animating_thread_type); |
| |
| std::unique_ptr<GestureCurve> curve_; |
| |
| gfx::Vector2dF last_offset_; |
| |
| int64_t ticks_since_first_animate_; |
| double first_animate_time_; |
| double last_animate_time_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebGestureCurveImpl); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_EVENTS_GESTURES_BLINK_WEB_GESTURE_CURVE_IMPL_H_ |