| // 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_SCOPED_THREAD_DESKTOP_WIN_H_ |
| #define REMOTING_HOST_SCOPED_THREAD_DESKTOP_WIN_H_ |
| |
| #include <windows.h> |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| |
| namespace remoting { |
| |
| class DesktopWin; |
| |
| class ScopedThreadDesktopWin { |
| public: |
| ScopedThreadDesktopWin(); |
| ~ScopedThreadDesktopWin(); |
| |
| // Returns true if |desktop| has the same desktop name as the currently |
| // assigned desktop (if assigned) or as the initial desktop (if not assigned). |
| // Returns false in any other case including failing Win32 APIs and |
| // uninitialized desktop handles. |
| bool IsSame(const DesktopWin& desktop); |
| |
| // Reverts the calling thread to use the initial desktop. |
| void Revert(); |
| |
| // Assigns |desktop| to be the calling thread. Returns true if the thread has |
| // been switched to |desktop| successfully. |
| bool SetThreadDesktop(scoped_ptr<DesktopWin> desktop); |
| |
| private: |
| // The desktop handle assigned to the calling thread by Set |
| scoped_ptr<DesktopWin> assigned_; |
| |
| // The desktop handle assigned to the calling thread at creation. |
| scoped_ptr<DesktopWin> initial_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedThreadDesktopWin); |
| }; |
| |
| } // namespace remoting |
| |
| #endif // REMOTING_HOST_SCOPED_THREAD_DESKTOP_WIN_H_ |