| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_SCHEDULER_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_SCHEDULER_H_ |
| |
| #include "base/memory/raw_ptr.h" |
| #include "components/input/fling_controller.h" |
| #include "content/common/content_export.h" |
| #include "content/common/input/fling_scheduler_base.h" |
| #include "ui/compositor/compositor_animation_observer.h" |
| |
| namespace ui { |
| class Compositor; |
| } |
| |
| namespace content { |
| |
| class RenderWidgetHostImpl; |
| |
| class CONTENT_EXPORT FlingScheduler : public FlingSchedulerBase, |
| private ui::CompositorAnimationObserver { |
| public: |
| FlingScheduler(RenderWidgetHostImpl* host); |
| |
| FlingScheduler(const FlingScheduler&) = delete; |
| FlingScheduler& operator=(const FlingScheduler&) = delete; |
| |
| ~FlingScheduler() override; |
| |
| // FlingControllerSchedulerClient |
| void ScheduleFlingProgress( |
| base::WeakPtr<input::FlingController> fling_controller) override; |
| void DidStopFlingingOnBrowser( |
| base::WeakPtr<input::FlingController> fling_controller) override; |
| bool NeedsBeginFrameForFlingProgress() override; |
| bool ShouldUseMobileFlingCurve() override; |
| gfx::Vector2dF GetPixelsPerInch( |
| const gfx::PointF& position_in_screen) override; |
| |
| // FlingSchedulerBase |
| void ProgressFlingOnBeginFrameIfneeded(base::TimeTicks current_time) override; |
| |
| protected: |
| virtual ui::Compositor* GetCompositor(); |
| raw_ptr<RenderWidgetHostImpl> host_; |
| base::WeakPtr<input::FlingController> fling_controller_; |
| raw_ptr<ui::Compositor> observed_compositor_ = nullptr; |
| |
| private: |
| // ui::CompositorAnimationObserver |
| void OnAnimationStep(base::TimeTicks timestamp) override; |
| void OnCompositingShuttingDown(ui::Compositor* compositor) override; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_FLING_SCHEDULER_H_ |