Move synchronous compositor into content/browser

content/renderer/android/synchronous_compositor_output_surface.h

-// Copyright (c) 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 CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
-#define CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "cc/output/output_surface.h"
-#include "content/public/renderer/android/synchronous_compositor.h"
-
-namespace content {
-
-class SynchronousCompositorClient;
-class SynchronousCompositorOutputSurfaceDelegate;
-class WebGraphicsContext3DCommandBufferImpl;
-
-class SynchronousCompositorOutputSurfaceDelegate {
- public:
-  virtual void SetContinuousInvalidate(bool enable) = 0;
-  virtual void DidCreateSynchronousOutputSurface() = 0;
-  virtual void DidDestroySynchronousOutputSurface() = 0;
-
- protected:
-  SynchronousCompositorOutputSurfaceDelegate() {}
-  virtual ~SynchronousCompositorOutputSurfaceDelegate() {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorOutputSurfaceDelegate);
-};
-
-// Specialization of the output surface that adapts it to implement the
-// content::SynchronousCompositor public API. This class effects an "inversion
-// of control" - enabling drawing to be  orchestrated by the embedding
-// layer, instead of driven by the compositor internals - hence it holds two
-// 'client' pointers (|client_| in the OutputSurface baseclass and |delegate_|)
-// which represent the consumers of the two roles in plays.
-// This class can be created only on the main thread, but then becomes pinned
-// to a fixed thread when BindToClient is called.
-class SynchronousCompositorOutputSurface
-    : NON_EXPORTED_BASE(public cc::OutputSurface) {
- public:
-  explicit SynchronousCompositorOutputSurface(
-      SynchronousCompositorOutputSurfaceDelegate* delegate);
-  virtual ~SynchronousCompositorOutputSurface();
-
-  // OutputSurface.
-  virtual bool ForcedDrawToSoftwareDevice() const OVERRIDE;
-  virtual bool BindToClient(cc::OutputSurfaceClient* surface_client) OVERRIDE;
-  virtual void Reshape(gfx::Size size, float scale_factor) OVERRIDE;
-  virtual void SendFrameToParentCompositor(cc::CompositorFrame* frame) OVERRIDE;
-  virtual void SetNeedsBeginFrame(bool enable) OVERRIDE;
-  virtual void SwapBuffers(const ui::LatencyInfo& info) OVERRIDE;
-
-  // Partial SynchronousCompositor API implementation.
-  bool IsHwReady();
-  bool DemandDrawSw(SkCanvas* canvas);
-  bool DemandDrawHw(gfx::Size view_size,
-                    const gfx::Transform& transform,
-                    gfx::Rect clip);
-
- private:
-  class SoftwareDevice;
-  friend class SoftwareDevice;
-
-  void InvokeComposite(const gfx::Transform& transform, gfx::Rect damage_area);
-  void UpdateCompositorClientSettings();
-  void NotifyCompositorSettingsChanged();
-  bool CalledOnValidThread() const;
-
-  SynchronousCompositorOutputSurfaceDelegate* delegate_;
-  bool needs_begin_frame_;
-  bool did_swap_buffer_;
-
-  // Only valid (non-NULL) during a DemandDrawSw() call.
-  SkCanvas* current_sw_canvas_;
-
-  DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorOutputSurface);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_