// 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 MOJO_AURA_WINDOW_TREE_HOST_MOJO_H_
#define MOJO_AURA_WINDOW_TREE_HOST_MOJO_H_

#include "base/bind.h"
#include "mojo/services/public/interfaces/native_viewport/native_viewport.mojom.h"
#include "ui/aura/window_tree_host.h"
#include "ui/events/event_source.h"
#include "ui/gfx/rect.h"

namespace ui {
class ContextFactory;
}

namespace mojo {
namespace view_manager {
namespace service {

class ContextFactoryImpl;

class WindowTreeHostImpl : public aura::WindowTreeHost,
                           public ui::EventSource,
                           public NativeViewportClient {
 public:
  WindowTreeHostImpl(NativeViewportPtr viewport,
                     const gfx::Rect& bounds,
                     const base::Callback<void()>& compositor_created_callback);
  virtual ~WindowTreeHostImpl();

  gfx::Rect bounds() const { return bounds_; }

 private:
  // WindowTreeHost:
  virtual ui::EventSource* GetEventSource() OVERRIDE;
  virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
  virtual void Show() OVERRIDE;
  virtual void Hide() OVERRIDE;
  virtual gfx::Rect GetBounds() const OVERRIDE;
  virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
  virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
  virtual void SetCapture() OVERRIDE;
  virtual void ReleaseCapture() OVERRIDE;
  virtual void PostNativeEvent(const base::NativeEvent& native_event) OVERRIDE;
  virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
  virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE;
  virtual void MoveCursorToNative(const gfx::Point& location) OVERRIDE;
  virtual void OnCursorVisibilityChangedNative(bool show) OVERRIDE;

  // ui::EventSource:
  virtual ui::EventProcessor* GetEventProcessor() OVERRIDE;

  // Overridden from NativeViewportClient:
  virtual void OnCreated() OVERRIDE;
  virtual void OnDestroyed() OVERRIDE;
  virtual void OnBoundsChanged(RectPtr bounds) OVERRIDE;
  virtual void OnEvent(EventPtr event,
                       const mojo::Callback<void()>& callback) OVERRIDE;

  static ContextFactoryImpl* context_factory_;

  NativeViewportPtr native_viewport_;
  base::Callback<void()> compositor_created_callback_;

  gfx::Rect bounds_;

  DISALLOW_COPY_AND_ASSIGN(WindowTreeHostImpl);
};

}  // namespace service
}  // namespace view_manager
}  // namespace mojo

#endif  // MOJO_AURA_WINDOW_TREE_HOST_MOJO_H_