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 WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DESKTOP_H_ 12 #define WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DESKTOP_H_ 13 14 #include <windows.h> 15 #include <string> 16 17 #include "webrtc/base/constructormagic.h" 18 #include "webrtc/system_wrappers/interface/scoped_ptr.h" 19 20 namespace webrtc { 21 22 class Desktop { 23 public: 24 ~Desktop(); 25 26 // Returns the name of the desktop represented by the object. Return false if 27 // quering the name failed for any reason. 28 bool GetName(std::wstring* desktop_name_out) const; 29 30 // Returns true if |other| has the same name as this desktop. Returns false 31 // in any other case including failing Win32 APIs and uninitialized desktop 32 // handles. 33 bool IsSame(const Desktop& other) const; 34 35 // Assigns the desktop to the current thread. Returns false is the operation 36 // failed for any reason. 37 bool SetThreadDesktop() const; 38 39 // Returns the desktop by its name or NULL if an error occurs. 40 static Desktop* GetDesktop(const wchar_t* desktop_name); 41 42 // Returns the desktop currently receiving user input or NULL if an error 43 // occurs. 44 static Desktop* GetInputDesktop(); 45 46 // Returns the desktop currently assigned to the calling thread or NULL if 47 // an error occurs. 48 static Desktop* GetThreadDesktop(); 49 50 private: 51 Desktop(HDESK desktop, bool own); 52 53 // The desktop handle. 54 HDESK desktop_; 55 56 // True if |desktop_| must be closed on teardown. 57 bool own_; 58 59 DISALLOW_COPY_AND_ASSIGN(Desktop); 60 }; 61 62 } // namespace webrtc 63 64 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DESKTOP_H_ 65
