ContentShell rendering support on Android.

content/browser/android/draw_delegate_impl.h

+// 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 CONTENT_BROWSER_ANDROID_DRAW_DELEGATE_IMPL_H_
+#define CONTENT_BROWSER_ANDROID_DRAW_DELEGATE_IMPL_H_
+
+#include "base/callback.h"
+#include "content/public/browser/android/draw_delegate.h"
+#include "ui/gfx/native_widget_types.h"
+#include "ui/gfx/size.h"
+
+namespace content {
+
+class DrawDelegateImpl : public DrawDelegate {
+ public:
+  static DrawDelegateImpl* GetInstance();
+  DrawDelegateImpl();
+  virtual ~DrawDelegateImpl();
+
+  // DrawDelegate implementation.
+  virtual void SetUpdateCallback(
+      const SurfaceUpdatedCallback& callback) OVERRIDE;
+  virtual void SetBounds(const gfx::Size& size) OVERRIDE { size_ = size; }
+
+  void SetDrawSurface(gfx::GLSurfaceHandle handle) { handle_ = handle; }
+  void OnSurfaceUpdated(uint64 texture, RenderWidgetHostView* view,
+                        const SurfacePresentedCallback& present_callback);
+  gfx::Size GetBounds() { return size_; }
+  gfx::GLSurfaceHandle GetDrawSurface() { return handle_; }
+
+ protected:
+  SurfaceUpdatedCallback draw_callback_;
+  gfx::GLSurfaceHandle handle_;
+  gfx::Size size_;
+
+  DISALLOW_COPY_AND_ASSIGN(DrawDelegateImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_ANDROID_DRAW_DELEGATE_IMPL_H_