| // 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_WIN_WTS_TERMINAL_MONITOR_H_ |
| #define REMOTING_HOST_WIN_WTS_TERMINAL_MONITOR_H_ |
| |
| #include <stdint.h> |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/strings/utf_string_conversions.h" |
| |
| namespace remoting { |
| |
| class WtsTerminalObserver; |
| |
| // Session id that does not represent any session. |
| extern const uint32_t kInvalidSessionId; |
| |
| class WtsTerminalMonitor { |
| public: |
| // The console terminal ID. |
| static const char kConsole[]; |
| |
| virtual ~WtsTerminalMonitor(); |
| |
| // Registers an observer to receive notifications about a particular WTS |
| // terminal. |terminal_id| is used to specify an RdpClient instance for which |
| // the connected session should be monitored, or |kConsole| may be passed to |
| // monitor the console session. |
| // |
| // Each observer instance can monitor a single WTS console. Returns |
| // |true| of success. Returns |false| if |observer| is already registered. |
| virtual bool AddWtsTerminalObserver(const std::string& terminal_id, |
| WtsTerminalObserver* observer) = 0; |
| |
| // Unregisters a previously registered observer. |
| virtual void RemoveWtsTerminalObserver(WtsTerminalObserver* observer) = 0; |
| |
| // Returns ID of the terminal connected to |session_id| in |*terminal_id|. |
| // Returns false if |session_id| is not attached to the physical console or |
| // does not have an assigned terminal ID. |
| static bool LookupTerminalId(uint32_t session_id, std::string* terminal_id); |
| |
| // Returns ID of the session that |terminal_id| is attached. |
| // |kInvalidSessionId| is returned if none of the sessions is currently |
| // attahced to |client_endpoint|. |
| static uint32_t LookupSessionId(const std::string& terminal_id); |
| |
| protected: |
| WtsTerminalMonitor(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(WtsTerminalMonitor); |
| }; |
| |
| } // namespace remoting |
| |
| #endif // REMOTING_HOST_WIN_WTS_TERMINAL_MONITOR_H_ |