1 /* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_DESKTOP_CAPTURE_WIN_DESKTOP_H_ 12 #define MODULES_DESKTOP_CAPTURE_WIN_DESKTOP_H_ 13 14 #include <windows.h> 15 16 #include <string> 17 18 #include "rtc_base/constructor_magic.h" 19 #include "rtc_base/system/rtc_export.h" 20 21 namespace webrtc { 22 23 class RTC_EXPORT Desktop { 24 public: 25 ~Desktop(); 26 27 // Returns the name of the desktop represented by the object. Return false if 28 // quering the name failed for any reason. 29 bool GetName(std::wstring* desktop_name_out) const; 30 31 // Returns true if |other| has the same name as this desktop. Returns false 32 // in any other case including failing Win32 APIs and uninitialized desktop 33 // handles. 34 bool IsSame(const Desktop& other) const; 35 36 // Assigns the desktop to the current thread. Returns false is the operation 37 // failed for any reason. 38 bool SetThreadDesktop() const; 39 40 // Returns the desktop by its name or NULL if an error occurs. 41 static Desktop* GetDesktop(const wchar_t* desktop_name); 42 43 // Returns the desktop currently receiving user input or NULL if an error 44 // occurs. 45 static Desktop* GetInputDesktop(); 46 47 // Returns the desktop currently assigned to the calling thread or NULL if 48 // an error occurs. 49 static Desktop* GetThreadDesktop(); 50 51 private: 52 Desktop(HDESK desktop, bool own); 53 54 // The desktop handle. 55 HDESK desktop_; 56 57 // True if |desktop_| must be closed on teardown. 58 bool own_; 59 60 RTC_DISALLOW_COPY_AND_ASSIGN(Desktop); 61 }; 62 63 } // namespace webrtc 64 65 #endif // MODULES_DESKTOP_CAPTURE_WIN_DESKTOP_H_ 66