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/******************************************************************************
* Copyright (C) 2015 Felix Rohrbach <kde@fxrh.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "joinstate.h"
#include <QtCore/QObject>
#include <QtCore/QUrl>
#include <QtCore/QSize>
#include <functional>
namespace QMatrixClient
{
class Room;
class User;
class RoomEvent;
class ConnectionPrivate;
class ConnectionData;
class SyncJob;
class SyncData;
class RoomMessagesJob;
class PostReceiptJob;
class MediaThumbnailJob;
class JoinRoomJob;
class Connection: public QObject {
Q_OBJECT
/** Whether or not the rooms state should be cached locally
* \sa loadState(), saveState()
*/
Q_PROPERTY(bool cacheState READ cacheState WRITE setCacheState NOTIFY cacheStateChanged)
public:
using room_factory_t =
std::function<Room*(Connection*, const QString&, JoinState joinState)>;
using user_factory_t =
std::function<User*(Connection*, const QString&)>;
explicit Connection(const QUrl& server, QObject* parent = nullptr);
Connection();
virtual ~Connection();
QHash<QPair<QString, bool>, Room*> roomMap() const;
Q_INVOKABLE virtual void resolveServer(const QString& domain);
Q_INVOKABLE virtual void connectToServer(const QString& user,
const QString& password);
Q_INVOKABLE virtual void connectWithToken(const QString& userId,
const QString& token);
Q_INVOKABLE virtual void reconnect();
/** @deprecated Use stopSync() instead */
Q_INVOKABLE virtual void disconnectFromServer() { stopSync(); }
Q_INVOKABLE virtual void logout();
Q_INVOKABLE void sync(int timeout = -1);
Q_INVOKABLE void stopSync();
/** @deprecated Use callApi<PostMessageJob>() or Room::postMessage() instead */
Q_INVOKABLE virtual void postMessage(Room* room, const QString& type,
const QString& message) const;
/** @deprecated Use callApi<PostReceiptJob>() or Room::postReceipt() instead */
Q_INVOKABLE virtual PostReceiptJob* postReceipt(Room* room,
RoomEvent* event) const;
/** @deprecated Use callApi<JoinRoomJob>() instead */
Q_INVOKABLE virtual JoinRoomJob* joinRoom(const QString& roomAlias);
/** @deprecated Use callApi<LeaveRoomJob>() or Room::leaveRoom() instead */
Q_INVOKABLE virtual void leaveRoom( Room* room );
Q_INVOKABLE virtual RoomMessagesJob* getMessages(Room* room,
const QString& from) const;
/** @deprecated Use callApi<MediaThumbnailJob>() instead */
virtual MediaThumbnailJob* getThumbnail(const QUrl& url,
QSize requestedSize) const;
/** @deprecated Use callApi<MediaThumbnailJob>() instead */
MediaThumbnailJob* getThumbnail(const QUrl& url, int requestedWidth,
int requestedHeight) const;
Q_INVOKABLE QUrl homeserver() const;
Q_INVOKABLE User* user(const QString& userId);
Q_INVOKABLE User* user();
Q_INVOKABLE QString userId() const;
/** @deprecated Use accessToken() instead. */
Q_INVOKABLE QString token() const;
Q_INVOKABLE QString accessToken() const;
Q_INVOKABLE SyncJob* syncJob() const;
Q_INVOKABLE int millisToReconnect() const;
/**
* Call this before first sync to load from previously saved file.
*
* \param fromFile A local path to read the state from. Uses QUrl
* to be QML-friendly. Empty parameter means using a path
* defined by stateCachePath().
*/
Q_INVOKABLE void loadState(const QUrl &fromFile = {});
/**
* This method saves the current state of rooms (but not messages
* in them) to a local cache file, so that it could be loaded by
* loadState() on a next run of the client.
*
* \param toFile A local path to save the state to. Uses QUrl to be
* QML-friendly. Empty parameter means using a path defined by
* stateCachePath().
*/
Q_INVOKABLE void saveState(const QUrl &toFile = {}) const;
/**
* The default path to store the cached room state, defined as
* follows:
* QStandardPaths::writeableLocation(QStandardPaths::CacheLocation) + _safeUserId + "_state.json"
* where `_safeUserId` is userId() with `:` (colon) replaced with
* `_` (underscore)
* /see loadState(), saveState()
*/
Q_INVOKABLE QString stateCachePath() const;
bool cacheState() const;
void setCacheState(bool newValue);
/**
* This is a universal method to start a job of a type passed
* as a template parameter. Arguments to callApi() are arguments
* to the job constructor _except_ the first ConnectionData*
* argument - callApi() will pass it automatically.
*/
template <typename JobT, typename... JobArgTs>
JobT* callApi(JobArgTs... jobArgs) const
{
auto job = new JobT(connectionData(), jobArgs...);
job->start();
return job;
}
/** Generates a new transaction id. Transaction id's are unique within
* a single Connection object
*/
Q_INVOKABLE QByteArray generateTxnId();
template <typename T = Room>
static void setRoomType()
{
createRoom =
[](Connection* c, const QString& id, JoinState joinState)
{ return new T(c, id, joinState); };
}
template <typename T = User>
static void setUserType()
{
createUser =
[](Connection* c, const QString& id) { return new T(id, c); };
}
signals:
void resolved();
void connected();
void reconnected();
void loggedOut();
void syncDone();
void newRoom(Room* room);
void invitedRoom(Room* room, Room* prev);
void joinedRoom(Room* room, Room* prev);
void leftRoom(Room* room, Room* prev);
void aboutToDeleteRoom(Room* room);
void loginError(QString error);
void networkError(size_t nextAttempt, int inMilliseconds);
void resolveError(QString error);
void syncError(QString error);
//void jobError(BaseJob* job);
void cacheStateChanged();
protected:
/**
* @brief Access the underlying ConnectionData class
*/
const ConnectionData* connectionData() const;
/**
* @brief Find a (possibly new) Room object for the specified id
* Use this method whenever you need to find a Room object in
* the local list of rooms. Note that this does not interact with
* the server; in particular, does not automatically create rooms
* on the server.
* @return a pointer to a Room object with the specified id; nullptr
* if roomId is empty if createRoom() failed to create a Room object.
*/
Room* provideRoom(const QString& roomId, JoinState joinState);
/**
* Completes loading sync data.
*/
void onSyncSuccess(SyncData &&data);
private:
class Private;
Private* d;
static room_factory_t createRoom;
static user_factory_t createUser;
};
} // namespace QMatrixClient
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