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// Copyright 2014 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 REMOTING_HOST_IPC_MOUSE_CURSOR_MONITOR_H_
#define REMOTING_HOST_IPC_MOUSE_CURSOR_MONITOR_H_

#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
#include "third_party/webrtc/modules/desktop_capture/mouse_cursor_monitor.h"

namespace remoting {

class DesktopSessionProxy;

// Routes webrtc::MouseCursorMonitor calls through the IPC channel to the
// desktop session agent running in the desktop integration process.
class IpcMouseCursorMonitor : public webrtc::MouseCursorMonitor {
 public:
  explicit IpcMouseCursorMonitor(
      scoped_refptr<DesktopSessionProxy> desktop_session_proxy);
  virtual ~IpcMouseCursorMonitor();

  // webrtc::MouseCursorMonitor interface.
  virtual void Init(Callback* callback, Mode mode) OVERRIDE;
  virtual void Capture() OVERRIDE;

  // Called when the cursor shape has changed.
  void OnMouseCursor(scoped_ptr<webrtc::MouseCursor> cursor);

 private:
  // The callback passed to |webrtc::MouseCursorMonitor::Init()|.
  webrtc::MouseCursorMonitor::Callback* callback_;

  // Wraps the IPC channel to the desktop session agent.
  scoped_refptr<DesktopSessionProxy> desktop_session_proxy_;

  // Used to cancel tasks pending on the capturer when it is stopped.
  base::WeakPtrFactory<IpcMouseCursorMonitor> weak_factory_;

  DISALLOW_COPY_AND_ASSIGN(IpcMouseCursorMonitor);
};

}  // namespace remoting

#endif  // REMOTING_HOST_IPC_MOUSE_CURSOR_MONITOR_H_