Move SynchronousCompositor into content/browser

content/browser/android/in_process/synchronous_compositor_impl.h

+// 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 CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_
+#define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/browser/android/in_process/synchronous_compositor_output_surface.h"
+#include "content/public/browser/web_contents_user_data.h"
+#include "content/public/renderer/android/synchronous_compositor.h"
+
+namespace content {
+
+// The purpose of this class is to act as the intermediary between the various
+// components that make up the 'synchronous compositor mode' implementation and
+// expose their functionality via the SynchronousCompositor interface.
+// This class is created on the main thread but most of the APIs are called
+// from the Compositor thread.
+class SynchronousCompositorImpl
+    : public SynchronousCompositor,
+      public SynchronousCompositorOutputSurfaceDelegate,
+      public WebContentsUserData<SynchronousCompositorImpl> {
+ public:
+  // Implementation detail: must be called once on startup in
+  // configurations where the syncrhonous compositor feature is required.
+  static void InitFactory();
+  static SynchronousCompositorImpl* FromRoutingID(int routing_id);
+
+  virtual ~SynchronousCompositorImpl();
+
+  // SynchronousCompositor
+  virtual bool IsHwReady() OVERRIDE;
+  virtual void SetClient(SynchronousCompositorClient* compositor_client)
+      OVERRIDE;
+  virtual bool DemandDrawSw(SkCanvas* canvas) OVERRIDE;
+  virtual bool DemandDrawHw(
+      gfx::Size view_size,
+      const gfx::Transform& transform,
+      gfx::Rect clip) OVERRIDE;
+
+  // SynchronousCompositorOutputSurfaceDelegate
+  virtual void DidBindOutputSurface(
+      SynchronousCompositorOutputSurface* output_surface) OVERRIDE;
+  virtual void DidDestroySynchronousOutputSurface(
+      SynchronousCompositorOutputSurface* output_surface) OVERRIDE;
+  virtual void SetContinuousInvalidate(bool enable) OVERRIDE;
+
+ private:
+  explicit SynchronousCompositorImpl(WebContents* contents);
+  friend class WebContentsUserData<SynchronousCompositorImpl>;
+
+  void DidCreateSynchronousOutputSurface(
+      SynchronousCompositorOutputSurface* output_surface);
+  bool CalledOnValidThread() const;
+
+  int routing_id_;
+  SynchronousCompositorClient* compositor_client_;
+  SynchronousCompositorOutputSurface* output_surface_;
+  WebContents* contents_;
+
+  DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_