src/common/buffersyncer.cpp

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