| // 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_LAYERS_CONTENT_LAYER_CLIENT_H_ |
| #define CC_LAYERS_CONTENT_LAYER_CLIENT_H_ |
| |
| #include "cc/base/cc_export.h" |
| |
| class SkCanvas; |
| |
| namespace gfx { |
| class Rect; |
| class RectF; |
| } |
| |
| namespace cc { |
| |
| class CC_EXPORT ContentLayerClient { |
| public: |
| enum GraphicsContextStatus { |
| GRAPHICS_CONTEXT_DISABLED, |
| GRAPHICS_CONTEXT_ENABLED |
| }; |
| |
| virtual void PaintContents(SkCanvas* canvas, |
| const gfx::Rect& clip, |
| gfx::RectF* opaque, |
| GraphicsContextStatus gc_status) = 0; |
| |
| // Called by the content layer during the update phase. |
| // If the client paints LCD text, it may want to invalidate the layer. |
| virtual void DidChangeLayerCanUseLCDText() = 0; |
| |
| // If true the layer may skip clearing the background before rasterizing, |
| // because it will cover any uncleared data with content. |
| virtual bool FillsBoundsCompletely() const = 0; |
| |
| protected: |
| virtual ~ContentLayerClient() {} |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_CONTENT_LAYER_CLIENT_H_ |