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// Copyright (c) 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 UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
#define UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
#pragma once
#include "base/compiler_specific.h"
#include "base/memory/singleton.h"
#include "base/memory/ref_counted.h"
#include "ui/gfx/compositor/compositor.h"
#include "ui/gfx/size.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebLayer.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebLayerTreeView.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebLayerTreeViewClient.h"
namespace gfx {
class Rect;
class GLContext;
class GLSurface;
class GLShareGroup;
}
namespace ui {
class COMPOSITOR_EXPORT SharedResourcesCC
: NON_EXPORTED_BASE(public SharedResources) {
public:
static SharedResourcesCC* GetInstance();
virtual gfx::ScopedMakeCurrent* GetScopedMakeCurrent() OVERRIDE;
virtual void* GetDisplay() OVERRIDE;
gfx::GLShareGroup* GetShareGroup();
private:
friend struct DefaultSingletonTraits<SharedResourcesCC>;
SharedResourcesCC();
virtual ~SharedResourcesCC();
bool Initialize();
void Destroy();
bool initialized_;
scoped_refptr<gfx::GLContext> context_;
scoped_refptr<gfx::GLSurface> surface_;
DISALLOW_COPY_AND_ASSIGN(SharedResourcesCC);
};
class COMPOSITOR_EXPORT TextureCC : public Texture {
public:
TextureCC();
// Texture implementation.
virtual void SetCanvas(const SkCanvas& canvas,
const gfx::Point& origin,
const gfx::Size& overall_size) OVERRIDE;
virtual void Draw(const ui::TextureDrawParams& params,
const gfx::Rect& clip_bounds_in_texture) OVERRIDE;
virtual void Update() = 0;
unsigned int texture_id() const { return texture_id_; }
bool flipped() const { return flipped_; }
const gfx::Size& size() const { return size_; }
protected:
unsigned int texture_id_;
bool flipped_;
gfx::Size size_;
DISALLOW_COPY_AND_ASSIGN(TextureCC);
};
class COMPOSITOR_EXPORT CompositorCC
: public Compositor,
NON_EXPORTED_BASE(public WebKit::WebLayerTreeViewClient) {
public:
CompositorCC(CompositorDelegate* delegate,
gfx::AcceleratedWidget widget,
const gfx::Size& size);
virtual ~CompositorCC();
static void Initialize(bool useThread);
static void Terminate();
protected:
// Compositor implementation.
virtual Texture* CreateTexture() OVERRIDE;
virtual void Blur(const gfx::Rect& bounds) OVERRIDE;
virtual void ScheduleDraw() OVERRIDE;
virtual void OnNotifyStart(bool clear) OVERRIDE;
virtual void OnNotifyEnd() OVERRIDE;
virtual void OnWidgetSizeChanged() OVERRIDE;
virtual void OnRootLayerChanged() OVERRIDE;
virtual void DrawTree() OVERRIDE;
virtual bool CompositesAsynchronously() OVERRIDE;
virtual bool ReadPixels(SkBitmap* bitmap, const gfx::Rect& bounds) OVERRIDE;
// WebLayerTreeViewClient implementation.
// TODO(jamesr): Remove this override once upstream declaration is removed and
// rolled into DEPS
virtual void animateAndLayout(double frameBeginTime);
virtual void updateAnimations(double frameBeginTime);
virtual void layout();
virtual void applyScrollAndScale(const WebKit::WebSize& scrollDelta,
float scaleFactor);
virtual void applyScrollDelta(const WebKit::WebSize&);
virtual WebKit::WebGraphicsContext3D* createContext3D();
virtual void didCompleteSwapBuffers();
virtual void didRebindGraphicsContext(bool success);
virtual void scheduleComposite();
private:
gfx::AcceleratedWidget widget_;
WebKit::WebLayer root_web_layer_;
WebKit::WebLayerTreeView host_;
DISALLOW_COPY_AND_ASSIGN(CompositorCC);
};
} // namespace ui
#endif // UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
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