Files
deskflow/src/lib/client/ServerProxy.h

132 lines
3.3 KiB
C++

/*
* Deskflow -- mouse and keyboard sharing utility
* SPDX-FileCopyrightText: (C) 2025 Deskflow Developers
* SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
* SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
*/
#pragma once
#include "base/Event.h"
#include "deskflow/ClipboardTypes.h"
#include "deskflow/KeyTypes.h"
#include "deskflow/languages/LanguageManager.h"
class Client;
class ClientInfo;
class EventQueueTimer;
class IClipboard;
namespace deskflow {
class IStream;
}
class IEventQueue;
//! Proxy for server
/*!
This class acts a proxy for the server, converting calls into messages
to the server and messages from the server to calls on the client.
*/
class ServerProxy
{
public:
/*!
Process messages from the server on \p stream and forward to
\p client.
*/
ServerProxy(Client *client, deskflow::IStream *stream, IEventQueue *events);
ServerProxy(ServerProxy const &) = delete;
ServerProxy(ServerProxy &&) = delete;
~ServerProxy();
ServerProxy &operator=(ServerProxy const &) = delete;
ServerProxy &operator=(ServerProxy &&) = delete;
//! @name manipulators
//@{
void onInfoChanged();
bool onGrabClipboard(ClipboardID);
void onClipboardChanged(ClipboardID, const IClipboard *);
//@}
protected:
enum class ConnectionResult
{
Okay,
Unknown,
Disconnect
};
ConnectionResult parseHandshakeMessage(const uint8_t *code);
ConnectionResult parseMessage(const uint8_t *code);
private:
// if compressing mouse motion then send the last motion now
void flushCompressedMouse();
void sendInfo(const ClientInfo &);
void resetKeepAliveAlarm();
void setKeepAliveRate(double);
// modifier key translation
KeyID translateKey(KeyID) const;
KeyModifierMask translateModifierMask(KeyModifierMask) const;
// event handlers
void handleData();
void handleKeepAliveAlarm();
// message handlers
void enter();
void leave();
void setClipboard();
void grabClipboard();
void keyDown(uint16_t id, uint16_t mask, uint16_t button, const std::string &lang);
void keyRepeat();
void keyUp();
void mouseDown();
void mouseUp();
void mouseMove();
void mouseRelativeMove();
void mouseWheel();
void screensaver();
void resetOptions();
void setOptions();
void queryInfo();
void infoAcknowledgment();
void secureInputNotification();
void setServerLanguages();
void setActiveServerLanguage(const std::string_view &language);
void checkMissedLanguages() const;
private:
using MessageParser = ConnectionResult (ServerProxy::*)(const uint8_t *);
Client *m_client = nullptr;
deskflow::IStream *m_stream = nullptr;
uint32_t m_seqNum = 0;
bool m_compressMouse = false;
bool m_compressMouseRelative = false;
int32_t m_xMouse = 0;
int32_t m_yMouse = 0;
int32_t m_dxMouse = 0;
int32_t m_dyMouse = 0;
bool m_ignoreMouse = false;
KeyModifierID m_modifierTranslationTable[kKeyModifierIDLast];
double m_keepAliveAlarm = 0.0;
EventQueueTimer *m_keepAliveAlarmTimer = nullptr;
MessageParser m_parser = &ServerProxy::parseHandshakeMessage;
IEventQueue *m_events = nullptr;
std::string m_serverLanguage = "";
bool m_isUserNotifiedAboutLanguageSyncError = false;
deskflow::languages::LanguageManager m_languageManager;
};