src/common/buffersyncer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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  20
  21 #include "buffersyncer.h"
  22
  23 INIT_SYNCABLE_OBJECT(BufferSyncer)
  24 BufferSyncer::BufferSyncer(QObject *parent)
  25   : SyncableObject(parent)
  26 {
  27 }
  28
  29 BufferSyncer::BufferSyncer(const QHash<BufferId, MsgId> &lastSeenMsg, QObject *parent)
  30   : SyncableObject(parent),
  31     _lastSeenMsg(lastSeenMsg)
  32 {
  33 }
  34
  35 MsgId BufferSyncer::lastSeenMsg(BufferId buffer) const {
  36   if(_lastSeenMsg.contains(buffer))
  37     return _lastSeenMsg[buffer];
  38   return MsgId();
  39 }
  40
  41 bool BufferSyncer::setLastSeenMsg(BufferId buffer, const MsgId &msgId) {
  42   if(!msgId.isValid())
  43     return false;
  44
  45   const MsgId oldLastSeenMsg = lastSeenMsg(buffer);
  46   if(!oldLastSeenMsg.isValid() || oldLastSeenMsg < msgId) {
  47     _lastSeenMsg[buffer] = msgId;
  48     SYNC(ARG(buffer), ARG(msgId))
  49     emit lastSeenMsgSet(buffer, msgId);
  50     return true;
  51   }
  52   return false;
  53 }
  54
  55 QVariantList BufferSyncer::initLastSeenMsg() const {
  56   QVariantList list;
  57   QHash<BufferId, MsgId>::const_iterator iter = _lastSeenMsg.constBegin();
  58   while(iter != _lastSeenMsg.constEnd()) {
  59     list << QVariant::fromValue<BufferId>(iter.key())
  60          << QVariant::fromValue<MsgId>(iter.value());
  61     iter++;
  62   }
  63   return list;
  64 }
  65
  66 void BufferSyncer::initSetLastSeenMsg(const QVariantList &list) {
  67   _lastSeenMsg.clear();
  68   Q_ASSERT(list.count() % 2 == 0);
  69   for(int i = 0; i < list.count(); i += 2) {
  70     setLastSeenMsg(list[i].value<BufferId>(), list[i+1].value<MsgId>());
  71   }
  72 }
  73
  74 void BufferSyncer::removeBuffer(BufferId buffer) {
  75   if(_lastSeenMsg.contains(buffer))
  76     _lastSeenMsg.remove(buffer);
  77   SYNC(ARG(buffer))
  78   emit bufferRemoved(buffer);
  79 }
  80
  81 void BufferSyncer::mergeBuffersPermanently(BufferId buffer1, BufferId buffer2) {
  82   if(_lastSeenMsg.contains(buffer2))
  83     _lastSeenMsg.remove(buffer2);
  84   SYNC(ARG(buffer1), ARG(buffer2))
  85   emit buffersPermanentlyMerged(buffer1, buffer2);
  86 }