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// 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,
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_
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