src/core/corebuffersyncer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 by the Quassel Project                          *
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  20
  21 #include "corebuffersyncer.h"
  22
  23 #include "core.h"
  24 #include "coresession.h"
  25 #include "corenetwork.h"
  26 #include "ircchannel.h"
  27
  28 class PurgeEvent : public QEvent {
  29 public:
  30   PurgeEvent() : QEvent(QEvent::User) {}
  31 };
  32
  33 INIT_SYNCABLE_OBJECT(CoreBufferSyncer)
  34 CoreBufferSyncer::CoreBufferSyncer(CoreSession *parent)
  35   : BufferSyncer(Core::bufferLastSeenMsgIds(parent->user()), Core::bufferMarkerLineMsgIds(parent->user()), parent),
  36     _coreSession(parent),
  37     _purgeBuffers(false)
  38 {
  39 }
  40
  41 void CoreBufferSyncer::requestSetLastSeenMsg(BufferId buffer, const MsgId &msgId) {
  42   if(setLastSeenMsg(buffer, msgId))
  43     dirtyLastSeenBuffers << buffer;
  44 }
  45
  46 void CoreBufferSyncer::requestSetMarkerLine(BufferId buffer, const MsgId &msgId) {
  47   if(setMarkerLine(buffer, msgId))
  48     dirtyMarkerLineBuffers << buffer;
  49 }
  50
  51 void CoreBufferSyncer::storeDirtyIds() {
  52   UserId userId = _coreSession->user();
  53   MsgId msgId;
  54   foreach(BufferId bufferId, dirtyLastSeenBuffers) {
  55     msgId = lastSeenMsg(bufferId);
  56     if(msgId.isValid())
  57       Core::setBufferLastSeenMsg(userId, bufferId, msgId);
  58   }
  59
  60   foreach(BufferId bufferId, dirtyMarkerLineBuffers) {
  61     msgId = markerLine(bufferId);
  62     if(msgId.isValid())
  63       Core::setBufferMarkerLineMsg(userId, bufferId, msgId);
  64   }
  65
  66   dirtyLastSeenBuffers.clear();
  67   dirtyMarkerLineBuffers.clear();
  68 }
  69
  70 void CoreBufferSyncer::removeBuffer(BufferId bufferId) {
  71   BufferInfo bufferInfo = Core::getBufferInfo(_coreSession->user(), bufferId);
  72   if(!bufferInfo.isValid()) {
  73     qWarning() << "CoreBufferSyncer::removeBuffer(): invalid BufferId:" << bufferId << "for User:" << _coreSession->user();
  74     return;
  75   }
  76
  77   if(bufferInfo.type() == BufferInfo::StatusBuffer) {
  78     qWarning() << "CoreBufferSyncer::removeBuffer(): Status Buffers cannot be removed!";
  79     return;
  80   }
  81
  82   if(bufferInfo.type() == BufferInfo::ChannelBuffer) {
  83     CoreNetwork *net = _coreSession->network(bufferInfo.networkId());
  84     if(!net) {
  85       qWarning() << "CoreBufferSyncer::removeBuffer(): Received BufferInfo with unknown networkId!";
  86       return;
  87     }
  88     IrcChannel *chan = net->ircChannel(bufferInfo.bufferName());
  89     if(chan) {
  90       qWarning() << "CoreBufferSyncer::removeBuffer(): Unable to remove Buffer for joined Channel:" << bufferInfo.bufferName();
  91       return;
  92     }
  93   }
  94   if(Core::removeBuffer(_coreSession->user(), bufferId))
  95     BufferSyncer::removeBuffer(bufferId);
  96 }
  97
  98 void CoreBufferSyncer::renameBuffer(BufferId bufferId, QString newName) {
  99   BufferInfo bufferInfo = Core::getBufferInfo(_coreSession->user(), bufferId);
 100   if(!bufferInfo.isValid()) {
 101     qWarning() << "CoreBufferSyncer::renameBuffer(): invalid BufferId:" << bufferId << "for User:" << _coreSession->user();
 102     return;
 103   }
 104
 105   if(bufferInfo.type() != BufferInfo::QueryBuffer) {
 106     qWarning() << "CoreBufferSyncer::renameBuffer(): only QueryBuffers can be renamed" << bufferId;
 107     return;
 108   }
 109
 110   if(Core::renameBuffer(_coreSession->user(), bufferId, newName))
 111     BufferSyncer::renameBuffer(bufferId, newName);
 112 }
 113
 114 void CoreBufferSyncer::mergeBuffersPermanently(BufferId bufferId1, BufferId bufferId2) {
 115   BufferInfo bufferInfo1 = Core::getBufferInfo(_coreSession->user(), bufferId1);
 116   BufferInfo bufferInfo2 = Core::getBufferInfo(_coreSession->user(), bufferId2);
 117   if(!bufferInfo1.isValid() || !bufferInfo2.isValid()) {
 118     qWarning() << "CoreBufferSyncer::mergeBufferPermanently(): invalid BufferIds:" << bufferId1 << bufferId2 << "for User:" << _coreSession->user();
 119     return;
 120   }
 121
 122   if(bufferInfo1.type() != BufferInfo::QueryBuffer || bufferInfo2.type() != BufferInfo::QueryBuffer) {
 123     qWarning() << "CoreBufferSyncer::mergeBufferPermanently(): only QueryBuffers can be merged!" << bufferId1 << bufferId2;
 124     return;
 125   }
 126
 127   if(Core::mergeBuffersPermanently(_coreSession->user(), bufferId1, bufferId2)) {
 128     BufferSyncer::mergeBuffersPermanently(bufferId1, bufferId2);
 129   }
 130 }
 131
 132 void CoreBufferSyncer::customEvent(QEvent *event) {
 133   if(event->type() != QEvent::User)
 134     return;
 135
 136   purgeBufferIds();
 137   event->accept();
 138 }
 139
 140 void CoreBufferSyncer::requestPurgeBufferIds() {
 141   if(_purgeBuffers)
 142     return;
 143
 144   _purgeBuffers = true;
 145   QCoreApplication::postEvent(this, new PurgeEvent());
 146 }
 147
 148 void CoreBufferSyncer::purgeBufferIds() {
 149   _purgeBuffers = false;
 150   QList<BufferInfo> bufferInfos = Core::requestBuffers(_coreSession->user());
 151   QSet<BufferId> actualBuffers;
 152   foreach(BufferInfo bufferInfo, bufferInfos) {
 153     actualBuffers << bufferInfo.bufferId();
 154   }
 155
 156   QSet<BufferId> storedIds = lastSeenBufferIds().toSet() + markerLineBufferIds().toSet();
 157   foreach(BufferId bufferId, storedIds) {
 158     if(!actualBuffers.contains(bufferId)) {
 159       BufferSyncer::removeBuffer(bufferId);
 160     }
 161   }
 162 }