| // 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_CHILD_FLING_ANIMATOR_IMPL_ANDROID_H_ |
| #define CONTENT_CHILD_FLING_ANIMATOR_IMPL_ANDROID_H_ |
| |
| |
| #include "third_party/WebKit/public/platform/WebFloatPoint.h" |
| #include "third_party/WebKit/public/platform/WebGestureCurve.h" |
| #include "third_party/WebKit/public/platform/WebSize.h" |
| #include "ui/gfx/android/scroller.h" |
| #include "ui/gfx/point_f.h" |
| |
| namespace blink { |
| class WebGestureCurveTarget; |
| } |
| |
| namespace content { |
| |
| class FlingAnimatorImpl : public blink::WebGestureCurve { |
| public: |
| FlingAnimatorImpl(); |
| virtual ~FlingAnimatorImpl(); |
| |
| static FlingAnimatorImpl* CreateAndroidGestureCurve( |
| const blink::WebFloatPoint& velocity, |
| const blink::WebSize&); |
| |
| virtual bool apply(double time, blink::WebGestureCurveTarget* target); |
| |
| private: |
| void StartFling(const gfx::PointF& velocity); |
| void CancelFling(); |
| |
| bool is_active_; |
| |
| gfx::Scroller scroller_; |
| |
| gfx::PointF last_position_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FlingAnimatorImpl); |
| }; |
| |
| } // namespace webkit_glue |
| |
| #endif // CONTENT_CHILD_FLING_ANIMATOR_IMPL_ANDROID_H_ |