1 /* 2 * Copyright 2022 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_LINUX_WAYLAND_RESTORE_TOKEN_MANAGER_H_ 12 #define MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_RESTORE_TOKEN_MANAGER_H_ 13 14 #include <mutex> 15 #include <string> 16 #include <unordered_map> 17 18 #include "modules/desktop_capture/desktop_capturer.h" 19 20 namespace webrtc { 21 22 class RestoreTokenManager { 23 public: 24 RestoreTokenManager(const RestoreTokenManager& manager) = delete; 25 RestoreTokenManager& operator=(const RestoreTokenManager& manager) = delete; 26 27 static RestoreTokenManager& GetInstance(); 28 29 void AddToken(DesktopCapturer::SourceId id, const std::string& token); 30 std::string TakeToken(DesktopCapturer::SourceId id); 31 32 // Returns a source ID which does not have any token associated with it yet. 33 DesktopCapturer::SourceId GetUnusedId(); 34 35 private: 36 RestoreTokenManager() = default; 37 ~RestoreTokenManager() = default; 38 39 DesktopCapturer::SourceId last_source_id_ = 0; 40 41 std::unordered_map<DesktopCapturer::SourceId, std::string> restore_tokens_; 42 }; 43 44 } // namespace webrtc 45 46 #endif // MODULES_DESKTOP_CAPTURE_LINUX_WAYLAND_RESTORE_TOKEN_MANAGER_H_ 47