Making DesktopEnvironment a factory class used by ClientSession to create audio/video capturers and…

remoting/host/desktop_environment_factory.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 REMOTING_HOST_DESKTOP_ENVIRONMENT_FACTORY_H_
-#define REMOTING_HOST_DESKTOP_ENVIRONMENT_FACTORY_H_
-
-#include "base/basictypes.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}  // namespace base
-
-namespace remoting {
-
-class DesktopEnvironment;
-
-class DesktopEnvironmentFactory {
- public:
-  DesktopEnvironmentFactory(
-      scoped_refptr<base::SingleThreadTaskRunner> input_task_runner,
-      scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
-  virtual ~DesktopEnvironmentFactory();
-
-  // Creates an instance of |DesktopEnvironment|.
-  virtual scoped_ptr<DesktopEnvironment> Create();
-
-  // Returns |true| if created |DesktopEnvironment| instances support audio
-  // capture.
-  virtual bool SupportsAudioCapture() const;
-
- protected:
-  scoped_refptr<base::SingleThreadTaskRunner> input_task_runner_;
-  scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
-
-  DISALLOW_COPY_AND_ASSIGN(DesktopEnvironmentFactory);
-};
-
-}  // namespace remoting
-
-#endif  // REMOTING_HOST_DESKTOP_ENVIRONMENT_FACTORY_H_