src/common/buffersyncer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel IRC Team                         *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
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  20
  21 #include "buffersyncer.h"
  22
  23 BufferSyncer::BufferSyncer(QObject *parent)
  24   : SyncableObject(parent)
  25 {
  26 }
  27
  28
  29 MsgId BufferSyncer::lastSeenMsg(BufferId buffer) const {
  30   if(_lastSeenMsg.contains(buffer))
  31     return _lastSeenMsg[buffer];
  32   return MsgId();
  33 }
  34
  35 bool BufferSyncer::setLastSeenMsg(BufferId buffer, const MsgId &msgId) {
  36   if(!msgId.isValid())
  37     return false;
  38
  39   const MsgId oldLastSeenMsg = lastSeenMsg(buffer);
  40   if(!oldLastSeenMsg.isValid() || oldLastSeenMsg < msgId) {
  41     _lastSeenMsg[buffer] = msgId;
  42     emit lastSeenMsgSet(buffer, msgId);
  43     return true;
  44   }
  45   return false;
  46 }
  47
  48 QVariantList BufferSyncer::initLastSeenMsg() const {
  49   QVariantList list;
  50   QHash<BufferId, MsgId>::const_iterator iter = _lastSeenMsg.constBegin();
  51   while(iter != _lastSeenMsg.constEnd()) {
  52     list << QVariant::fromValue<BufferId>(iter.key())
  53          << QVariant::fromValue<MsgId>(iter.value());
  54     iter++;
  55   }
  56   return list;
  57 }
  58
  59 void BufferSyncer::initSetLastSeenMsg(const QVariantList &list) {
  60   _lastSeenMsg.clear();
  61   Q_ASSERT(list.count() % 2 == 0);
  62   for(int i = 0; i < list.count(); i += 2) {
  63     setLastSeenMsg(list[i].value<BufferId>(), list[i+1].value<MsgId>());
  64   }
  65 }
  66
  67 void BufferSyncer::requestSetLastSeenMsg(BufferId buffer, const MsgId &msgId) {
  68   if(setLastSeenMsg(buffer, msgId))
  69     emit setLastSeenMsgRequested(buffer, msgId);
  70 }
  71
  72
  73 void BufferSyncer::requestRemoveBuffer(BufferId buffer) {
  74   emit removeBufferRequested(buffer);
  75 }
  76
  77 void BufferSyncer::removeBuffer(BufferId buffer) {
  78   if(_lastSeenMsg.contains(buffer))
  79     _lastSeenMsg.remove(buffer);
  80   emit bufferRemoved(buffer);
  81 }
  82
  83 void BufferSyncer::renameBuffer(BufferId buffer, QString newName) {
  84   emit bufferRenamed(buffer, newName);
  85 }