80 lines
2.7 KiB
C++
80 lines
2.7 KiB
C++
/**
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* Copyright 2018 Simon Redman <simon@ergotech.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef REQUESTCONVERSATIONWORKER_H
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#define REQUESTCONVERSATIONWORKER_H
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#include "conversationsdbusinterface.h"
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#include <QObject>
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#include <QThread>
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/**
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* In case we need to wait for more messages to be downloaded from Android,
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* Do the actual work of a requestConversation call in a separate thread
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*
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* This class is the worker for that thread
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*/
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class RequestConversationWorker : public QObject
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{
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Q_OBJECT
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public:
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RequestConversationWorker(const qint64& conversationID, int start, int end, ConversationsDbusInterface* interface);
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public Q_SLOTS:
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/**
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* Main body of this worker
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*
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* Reply to a request for messages and, if needed, wait for the remote to reply with more
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*
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* Emits conversationMessageRead for every message handled
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*/
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void handleRequestConversation();
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void work();
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Q_SIGNALS:
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void conversationMessageRead(const QVariantMap& msg);
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void finished();
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private:
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qint64 conversationID;
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int start; // Start of range to request messages
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size_t howMany; // Number of messages being requested
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ConversationsDbusInterface* parent;
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QThread* m_thread;
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/**
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* Reply with all messages we currently have available in the requested range
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*
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* If the range specified by start and howMany is not in the range of messages in the conversation,
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* reply with only as many messages as we have available in that range
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*
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* @param conversation Conversation to send messages from
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* @param start Start of requested range, 0-indexed, inclusive
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* @param howMany Maximum number of messages to return
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* $return Number of messages processed
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*/
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size_t replyForConversation(const QList<ConversationMessage>& conversation, int start, size_t howMany);
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};
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#endif // REQUESTCONVERSATIONWORKER_H
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