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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_PICTURE_LAYER_H_
#define CC_PICTURE_LAYER_H_
#include "cc/contents_scaling_layer.h"
#include "cc/layer.h"
#include "cc/picture_pile.h"
#include "cc/occlusion_tracker.h"
namespace cc {
class ContentLayerClient;
class ResourceUpdateQueue;
struct RenderingStats;
class CC_EXPORT PictureLayer : public ContentsScalingLayer {
public:
static scoped_refptr<PictureLayer> create(ContentLayerClient* client);
void clearClient() { client_ = 0; }
// Implement Layer interface
virtual bool drawsContent() const OVERRIDE;
virtual scoped_ptr<LayerImpl> createLayerImpl(
LayerTreeImpl* treeImpl) OVERRIDE;
virtual void setLayerTreeHost(LayerTreeHost* host) OVERRIDE;
virtual void pushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual void setNeedsDisplayRect(const gfx::RectF& layerRect) OVERRIDE;
virtual void update(
ResourceUpdateQueue& queue,
const OcclusionTracker* occlusion,
RenderingStats& stats) OVERRIDE;
virtual void setIsMask(bool is_mask) OVERRIDE;
protected:
explicit PictureLayer(ContentLayerClient* client);
virtual ~PictureLayer();
private:
ContentLayerClient* client_;
scoped_refptr<PicturePile> pile_;
// Invalidation to use the next time update is called.
Region pending_invalidation_;
// Invalidation from the last time update was called.
Region pile_invalidation_;
bool is_mask_;
};
} // namespace cc
#endif // CC_PICTURE_LAYER_H_
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