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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_PICTURE_LAYER_H_
#define CC_LAYERS_PICTURE_LAYER_H_
#include "cc/base/invalidation_region.h"
#include "cc/debug/devtools_instrumentation.h"
#include "cc/debug/micro_benchmark_controller.h"
#include "cc/layers/layer.h"
#include "cc/resources/picture_pile.h"
#include "cc/trees/occlusion_tracker.h"
namespace cc {
class ContentLayerClient;
class ResourceUpdateQueue;
class CC_EXPORT PictureLayer : public Layer {
public:
static scoped_refptr<PictureLayer> Create(ContentLayerClient* client);
void ClearClient() { client_ = NULL; }
// Layer interface.
virtual bool DrawsContent() const OVERRIDE;
virtual scoped_ptr<LayerImpl> CreateLayerImpl(
LayerTreeImpl* tree_impl) OVERRIDE;
virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual void SetNeedsDisplayRect(const gfx::RectF& layer_rect) OVERRIDE;
virtual bool Update(
ResourceUpdateQueue* queue,
const OcclusionTracker* occlusion) OVERRIDE;
virtual void SetIsMask(bool is_mask) OVERRIDE;
virtual bool SupportsLCDText() const OVERRIDE;
virtual skia::RefPtr<SkPicture> GetPicture() const OVERRIDE;
virtual void RunMicroBenchmark(MicroBenchmark* benchmark) OVERRIDE;
ContentLayerClient* client() { return client_; }
protected:
explicit PictureLayer(ContentLayerClient* client);
virtual ~PictureLayer();
private:
ContentLayerClient* client_;
scoped_refptr<PicturePile> pile_;
devtools_instrumentation::
ScopedLayerObjectTracker instrumentation_object_tracker_;
// Invalidation to use the next time update is called.
InvalidationRegion pending_invalidation_;
// Invalidation from the last time update was called.
Region pile_invalidation_;
gfx::Rect last_updated_visible_content_rect_;
bool is_mask_;
int update_source_frame_number_;
DISALLOW_COPY_AND_ASSIGN(PictureLayer);
};
} // namespace cc
#endif // CC_LAYERS_PICTURE_LAYER_H_
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