| // Copyright 2016 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 OffscreenCanvasFrameDispatcher_h |
| #define OffscreenCanvasFrameDispatcher_h |
| |
| #include "platform/PlatformExport.h" |
| #include "platform/WebTaskRunner.h" |
| #include "platform/geometry/IntRect.h" |
| #include "platform/wtf/RefPtr.h" |
| #include "platform/wtf/WeakPtr.h" |
| |
| namespace blink { |
| |
| class StaticBitmapImage; |
| |
| class OffscreenCanvasFrameDispatcherClient { |
| public: |
| virtual void BeginFrame() = 0; |
| }; |
| |
| class PLATFORM_EXPORT OffscreenCanvasFrameDispatcher { |
| public: |
| virtual ~OffscreenCanvasFrameDispatcher() {} |
| virtual void DispatchFrame(RefPtr<StaticBitmapImage>, |
| double commit_start_time, |
| const SkIRect& damage_rect, |
| bool is_web_gl_software_rendering) = 0; |
| virtual void ReclaimResource(unsigned resource_id) = 0; |
| virtual void SetNeedsBeginFrame(bool) = 0; |
| virtual void SetSuspendAnimation(bool) = 0; |
| virtual bool NeedsBeginFrame() const = 0; |
| virtual bool IsAnimationSuspended() const = 0; |
| |
| virtual void Reshape(int width, int height) = 0; |
| |
| WeakPtr<OffscreenCanvasFrameDispatcher> CreateWeakPtr() { |
| return weak_ptr_factory_.CreateWeakPtr(); |
| } |
| |
| OffscreenCanvasFrameDispatcherClient* Client() { return client_; } |
| |
| protected: |
| OffscreenCanvasFrameDispatcher(OffscreenCanvasFrameDispatcherClient* client) |
| : weak_ptr_factory_(this), client_(client) {} |
| |
| private: |
| WeakPtrFactory<OffscreenCanvasFrameDispatcher> weak_ptr_factory_; |
| OffscreenCanvasFrameDispatcherClient* client_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // OffscreenCanvasFrameDispatcher_h |