| // Copyright 2012 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 CC_LAYER_TREE_HOST_CLIENT_H_ |
| #define CC_LAYER_TREE_HOST_CLIENT_H_ |
| |
| #include "base/memory/scoped_ptr.h" |
| |
| namespace gfx { |
| class Vector2d; |
| } |
| |
| namespace cc { |
| class FontAtlas; |
| class InputHandler; |
| class OutputSurface; |
| |
| class LayerTreeHostClient { |
| public: |
| virtual void willBeginFrame() = 0; |
| // Marks finishing compositing-related tasks on the main thread. In threaded mode, this corresponds to didCommit(). |
| virtual void didBeginFrame() = 0; |
| virtual void animate(double frameBeginTime) = 0; |
| virtual void layout() = 0; |
| virtual void applyScrollAndScale(gfx::Vector2d scrollDelta, float pageScale) = 0; |
| virtual scoped_ptr<OutputSurface> createOutputSurface() = 0; |
| virtual void didRecreateOutputSurface(bool success) = 0; |
| virtual scoped_ptr<InputHandler> createInputHandler() = 0; |
| virtual void willCommit() = 0; |
| virtual void didCommit() = 0; |
| virtual void didCommitAndDrawFrame() = 0; |
| virtual void didCompleteSwapBuffers() = 0; |
| |
| // Used only in the single-threaded path. |
| virtual void scheduleComposite() = 0; |
| |
| // Creates a font atlas to use for debug visualizations. |
| virtual scoped_ptr<FontAtlas> createFontAtlas() = 0; |
| |
| protected: |
| virtual ~LayerTreeHostClient() { } |
| }; |
| |
| } |
| |
| #endif // CC_LAYER_TREE_HOST_CLIENT_H_ |