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// Copyright 2010 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_H_
#define CC_LAYERS_CONTENT_LAYER_H_
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "cc/layers/tiled_layer.h"
#include "cc/resources/layer_painter.h"
class SkCanvas;
namespace cc {
class ContentLayerClient;
class ContentLayerUpdater;
class CC_EXPORT ContentLayerPainter : public LayerPainter {
public:
static scoped_ptr<ContentLayerPainter> Create(ContentLayerClient* client);
void Paint(SkCanvas* canvas, const gfx::Rect& content_rect) override;
private:
explicit ContentLayerPainter(ContentLayerClient* client);
ContentLayerClient* client_;
DISALLOW_COPY_AND_ASSIGN(ContentLayerPainter);
};
// A layer that renders its contents into an SkCanvas.
class CC_EXPORT ContentLayer : public TiledLayer {
public:
static scoped_refptr<ContentLayer> Create(ContentLayerClient* client);
void ClearClient();
void SetLayerTreeHost(LayerTreeHost* layer_tree_host) override;
void SetTexturePriorities(const PriorityCalculator& priority_calc) override;
bool Update(ResourceUpdateQueue* queue,
const OcclusionTracker<Layer>* occlusion) override;
bool NeedMoreUpdates() override;
void SetContentsOpaque(bool contents_opaque) override;
bool SupportsLCDText() const override;
skia::RefPtr<SkPicture> GetPicture() const override;
void OnOutputSurfaceCreated() override;
protected:
explicit ContentLayer(ContentLayerClient* client);
~ContentLayer() override;
bool HasDrawableContent() const override;
// TiledLayer implementation.
LayerUpdater* Updater() const override;
private:
// TiledLayer implementation.
void CreateUpdaterIfNeeded() override;
ContentLayerClient* client_;
scoped_refptr<ContentLayerUpdater> updater_;
DISALLOW_COPY_AND_ASSIGN(ContentLayer);
};
} // namespace cc
#endif // CC_LAYERS_CONTENT_LAYER_H_
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