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// Copyright 2013 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_UI_RESOURCE_LAYER_H_
#define CC_LAYERS_UI_RESOURCE_LAYER_H_
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
#include "cc/layers/layer.h"
#include "cc/resources/ui_resource_client.h"
#include "ui/gfx/rect.h"
namespace cc {
class LayerTreeHost;
class ScopedUIResource;
class CC_EXPORT UIResourceLayer : public Layer {
public:
static scoped_refptr<UIResourceLayer> Create();
virtual bool DrawsContent() const OVERRIDE;
virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
void SetBitmap(const SkBitmap& skbitmap);
// An alternative way of setting the resource to allow for sharing.
void SetUIResourceId(UIResourceId resource_id);
// Sets a UV transform to be used at draw time. Defaults to (0, 0) and (1, 1).
void SetUV(const gfx::PointF& top_left, const gfx::PointF& bottom_right);
// Sets an opacity value per vertex. It will be multiplied by the layer
// opacity value.
void SetVertexOpacity(float bottom_left,
float top_left,
float top_right,
float bottom_right);
class UIResourceHolder {
public:
virtual UIResourceId id() = 0;
virtual ~UIResourceHolder();
};
protected:
UIResourceLayer();
virtual ~UIResourceLayer();
scoped_ptr<UIResourceHolder> ui_resource_holder_;
SkBitmap bitmap_;
gfx::PointF uv_top_left_;
gfx::PointF uv_bottom_right_;
float vertex_opacity_[4];
private:
virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
OVERRIDE;
void RecreateUIResourceHolder();
DISALLOW_COPY_AND_ASSIGN(UIResourceLayer);
};
} // namespace cc
#endif // CC_LAYERS_UI_RESOURCE_LAYER_H_
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