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// Copyright 2014 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_SURFACE_LAYER_H_
#define CC_LAYERS_SURFACE_LAYER_H_
#include "base/macros.h"
#include "cc/base/cc_export.h"
#include "cc/layers/layer.h"
#include "cc/surfaces/surface_info.h"
#include "cc/surfaces/surface_reference_factory.h"
#include "ui/gfx/geometry/size.h"
namespace cc {
// A layer that renders a surface referencing the output of another compositor
// instance or client.
class CC_EXPORT SurfaceLayer : public Layer {
public:
static scoped_refptr<SurfaceLayer> Create(
scoped_refptr<SurfaceReferenceFactory> ref_factory);
void SetPrimarySurfaceInfo(const SurfaceInfo& surface_info);
void SetFallbackSurfaceInfo(const SurfaceInfo& surface_info);
// When stretch_content_to_fill_bounds is true, the scale of the embedded
// surface is ignored and the content will be stretched to fill the bounds.
void SetStretchContentToFillBounds(bool stretch_content_to_fill_bounds);
// Layer overrides.
std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
void SetLayerTreeHost(LayerTreeHost* host) override;
void PushPropertiesTo(LayerImpl* layer) override;
scoped_refptr<SurfaceReferenceFactory> surface_reference_factory() const {
return ref_factory_;
}
const SurfaceInfo& primary_surface_info() const {
return primary_surface_info_;
}
const SurfaceInfo& fallback_surface_info() const {
return fallback_surface_info_;
}
protected:
explicit SurfaceLayer(scoped_refptr<SurfaceReferenceFactory> ref_factory);
bool HasDrawableContent() const override;
private:
~SurfaceLayer() override;
void RemoveReference(base::Closure reference_returner);
SurfaceInfo primary_surface_info_;
base::Closure primary_reference_returner_;
SurfaceInfo fallback_surface_info_;
base::Closure fallback_reference_returner_;
scoped_refptr<SurfaceReferenceFactory> ref_factory_;
bool stretch_content_to_fill_bounds_ = false;
DISALLOW_COPY_AND_ASSIGN(SurfaceLayer);
};
} // namespace cc
#endif // CC_LAYERS_SURFACE_LAYER_H_
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