libreoffice-online/loolwsd/ChildSession.hpp

120 lines
4.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_CHILDSESSION_HPP
#define INCLUDED_CHILDSESSION_HPP
#include <mutex>
#include <Poco/Thread.h>
#include <Poco/NotificationQueue.h>
#include "Common.hpp"
#include "LOOLSession.hpp"
#include "LibreOfficeKit.hpp"
class ChildSession;
/// An abstract interface that defines the
/// DocumentManager interface and functionality.
class IDocumentManager
{
public:
/// Reqest loading a document, or a new view, if one exists.
virtual
std::shared_ptr<lok::Document> onLoad(const std::string& sessionId,
const std::string& jailedFilePath,
const std::string& userName,
const std::string& docPassword,
const std::string& renderOpts,
const bool haveDocPassword) = 0;
/// Unload a client session, which unloads the document
/// if it is the last and only.
virtual
void onUnload(const ChildSession& session) = 0;
/// Send updated view info to all active sessions
virtual
void notifyViewInfo() = 0;
};
/// Represents a session to the WSD process, in a Kit process. Note that this is not a singleton.
class ChildSession final : public LOOLSession
{
public:
/// Create a new ChildSession
/// ws The socket between master and kit (jailed).
/// loKit The LOKit instance.
/// loKitDocument The instance to an existing document (when opening
/// a new view) or nullptr (when first view).
/// jailId The JailID of the jail root directory,
// used by downloadas to construct jailed path.
ChildSession(const std::string& id,
std::shared_ptr<Poco::Net::WebSocket> ws,
const std::string& jailId,
IDocumentManager& docManager);
virtual ~ChildSession();
bool getStatus(const char *buffer, int length);
bool getPartPageRectangles(const char *buffer, int length);
int getViewId() const { return _viewId; }
void setViewId(const int viewId) { _viewId = viewId; }
const std::string getViewUserName() const { return _userName; }
void loKitCallback(const int nType, const std::string& rPayload);
private:
bool loadDocument(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool sendFontRendering(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool getCommandValues(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool clientZoom(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool clientVisibleArea(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool downloadAs(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool getChildId();
bool getTextSelection(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool paste(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool insertFile(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool keyEvent(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool mouseEvent(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool unoCommand(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool selectText(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool selectGraphic(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool resetSelection(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool saveAs(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool setClientPart(const char *buffer, int length, Poco::StringTokenizer& tokens);
bool setPage(const char *buffer, int length, Poco::StringTokenizer& tokens);
virtual void disconnect() override;
virtual bool _handleInput(const char *buffer, int length) override;
private:
const std::string _jailId;
IDocumentManager& _docManager;
/// View ID, returned by createView() or 0 by default.
int _viewId;
/// Whether document has been opened succesfuly
bool _isDocLoaded;
std::shared_ptr<lok::Document> _loKitDocument;
std::string _docType;
std::map<int, std::string> _lastDocStates;
/// Synchronize _loKitDocument access.
/// This should be owned by Document.
static std::recursive_mutex Mutex;
};
#endif
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