| // 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. |
| |
| #include "remoting/host/curtain_mode.h" |
| |
| #include "base/logging.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/win/windows_version.h" |
| #include "remoting/host/client_session_control.h" |
| |
| namespace remoting { |
| |
| class CurtainModeWin : public CurtainMode { |
| public: |
| CurtainModeWin(); |
| |
| // Overriden from CurtainMode. |
| bool Activate() override; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(CurtainModeWin); |
| }; |
| |
| CurtainModeWin::CurtainModeWin() { |
| } |
| |
| bool CurtainModeWin::Activate() { |
| if (base::win::GetVersion() < base::win::VERSION_VISTA) { |
| LOG(ERROR) << "Curtain mode is not supported on Windows XP/2003"; |
| return false; |
| } |
| |
| DWORD session_id; |
| if (!ProcessIdToSessionId(GetCurrentProcessId(), &session_id)) { |
| PLOG(ERROR) << "Failed to map the current PID to session ID"; |
| return false; |
| } |
| |
| // The current session is curtained if it is not attached to the local |
| // console. |
| return WTSGetActiveConsoleSessionId() != session_id; |
| } |
| |
| // static |
| scoped_ptr<CurtainMode> CurtainMode::Create( |
| scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner, |
| scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner, |
| base::WeakPtr<ClientSessionControl> client_session_control) { |
| // |client_session_control| is not used because the client session is |
| // disconnected as soon as the session is re-attached to the local console. |
| // See RdpDesktopSession for more details. |
| return make_scoped_ptr(new CurtainModeWin()); |
| } |
| |
| } // namespace remoting |