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 CoreBufferSyncer::CoreBufferSyncer(CoreSession *parent)
  34   : BufferSyncer(Core::bufferLastSeenMsgIds(parent->user()), parent),
  35     _coreSession(parent),
  36     _purgeBuffers(false)
  37 {
  38 }
  39
  40 void CoreBufferSyncer::requestSetLastSeenMsg(BufferId buffer, const MsgId &msgId) {
  41   if(setLastSeenMsg(buffer, msgId))
  42     dirtyBuffers << buffer;
  43 }
  44
  45 void CoreBufferSyncer::storeDirtyIds() {
  46   UserId userId = _coreSession->user();
  47   MsgId msgId;
  48   foreach(BufferId bufferId, dirtyBuffers) {
  49     msgId = lastSeenMsg(bufferId);
  50     if(msgId.isValid())
  51       Core::setBufferLastSeenMsg(userId, bufferId, msgId);
  52   }
  53   dirtyBuffers.clear();
  54 }
  55
  56 void CoreBufferSyncer::removeBuffer(BufferId bufferId) {
  57   BufferInfo bufferInfo = Core::getBufferInfo(_coreSession->user(), bufferId);
  58   if(!bufferInfo.isValid()) {
  59     qWarning() << "CoreBufferSyncer::removeBuffer(): invalid BufferId:" << bufferId << "for User:" << _coreSession->user();
  60     return;
  61   }
  62
  63   if(bufferInfo.type() == BufferInfo::StatusBuffer) {
  64     qWarning() << "CoreBufferSyncer::removeBuffer(): Status Buffers cannot be removed!";
  65     return;
  66   }
  67
  68   if(bufferInfo.type() == BufferInfo::ChannelBuffer) {
  69     CoreNetwork *net = _coreSession->network(bufferInfo.networkId());
  70     if(!net) {
  71       qWarning() << "CoreBufferSyncer::removeBuffer(): Received BufferInfo with unknown networkId!";
  72       return;
  73     }
  74     IrcChannel *chan = net->ircChannel(bufferInfo.bufferName());
  75     if(chan) {
  76       qWarning() << "CoreBufferSyncer::removeBuffer(): Unable to remove Buffer for joined Channel:" << bufferInfo.bufferName();
  77       return;
  78     }
  79   }
  80   if(Core::removeBuffer(_coreSession->user(), bufferId))
  81     BufferSyncer::removeBuffer(bufferId);
  82 }
  83
  84 void CoreBufferSyncer::renameBuffer(BufferId bufferId, QString newName) {
  85   BufferInfo bufferInfo = Core::getBufferInfo(_coreSession->user(), bufferId);
  86   if(!bufferInfo.isValid()) {
  87     qWarning() << "CoreBufferSyncer::renameBuffer(): invalid BufferId:" << bufferId << "for User:" << _coreSession->user();
  88     return;
  89   }
  90
  91   if(bufferInfo.type() != BufferInfo::QueryBuffer) {
  92     qWarning() << "CoreBufferSyncer::renameBuffer(): only QueryBuffers can be renamed" << bufferId;
  93     return;
  94   }
  95
  96   if(Core::renameBuffer(_coreSession->user(), bufferId, newName))
  97     BufferSyncer::renameBuffer(bufferId, newName);
  98 }
  99
 100 void CoreBufferSyncer::mergeBuffersPermanently(BufferId bufferId1, BufferId bufferId2) {
 101   BufferInfo bufferInfo1 = Core::getBufferInfo(_coreSession->user(), bufferId1);
 102   BufferInfo bufferInfo2 = Core::getBufferInfo(_coreSession->user(), bufferId2);
 103   if(!bufferInfo1.isValid() || !bufferInfo2.isValid()) {
 104     qWarning() << "CoreBufferSyncer::mergeBufferPermanently(): invalid BufferIds:" << bufferId1 << bufferId2 << "for User:" << _coreSession->user();
 105     return;
 106   }
 107
 108   if(bufferInfo1.type() != BufferInfo::QueryBuffer || bufferInfo2.type() != BufferInfo::QueryBuffer) {
 109     qWarning() << "CoreBufferSyncer::mergeBufferPermanently(): only QueryBuffers can be merged!" << bufferId1 << bufferId2;
 110     return;
 111   }
 112
 113   if(Core::mergeBuffersPermanently(_coreSession->user(), bufferId1, bufferId2)) {
 114     BufferSyncer::mergeBuffersPermanently(bufferId1, bufferId2);
 115   }
 116 }
 117
 118 void CoreBufferSyncer::customEvent(QEvent *event) {
 119   if(event->type() != QEvent::User)
 120     return;
 121
 122   purgeBufferIds();
 123   event->accept();
 124 }
 125
 126 void CoreBufferSyncer::requestPurgeBufferIds() {
 127   if(_purgeBuffers)
 128     return;
 129
 130   _purgeBuffers = true;
 131   QCoreApplication::postEvent(this, new PurgeEvent());
 132 }
 133
 134 void CoreBufferSyncer::purgeBufferIds() {
 135   _purgeBuffers = false;
 136   QList<BufferInfo> bufferInfos = Core::requestBuffers(_coreSession->user());
 137   QSet<BufferId> actualBuffers;
 138   foreach(BufferInfo bufferInfo, bufferInfos) {
 139     actualBuffers << bufferInfo.bufferId();
 140   }
 141
 142   QList<BufferId> storedIds = bufferIds();
 143   foreach(BufferId bufferId, storedIds) {
 144     if(!actualBuffers.contains(bufferId)) {
 145       BufferSyncer::removeBuffer(bufferId);
 146     }
 147   }
 148 }