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()), 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     dirtyBuffers << buffer;
  44 }
  45
  46 void CoreBufferSyncer::storeDirtyIds() {
  47   UserId userId = _coreSession->user();
  48   MsgId msgId;
  49   foreach(BufferId bufferId, dirtyBuffers) {
  50     msgId = lastSeenMsg(bufferId);
  51     if(msgId.isValid())
  52       Core::setBufferLastSeenMsg(userId, bufferId, msgId);
  53   }
  54   dirtyBuffers.clear();
  55 }
  56
  57 void CoreBufferSyncer::removeBuffer(BufferId bufferId) {
  58   BufferInfo bufferInfo = Core::getBufferInfo(_coreSession->user(), bufferId);
  59   if(!bufferInfo.isValid()) {
  60     qWarning() << "CoreBufferSyncer::removeBuffer(): invalid BufferId:" << bufferId << "for User:" << _coreSession->user();
  61     return;
  62   }
  63
  64   if(bufferInfo.type() == BufferInfo::StatusBuffer) {
  65     qWarning() << "CoreBufferSyncer::removeBuffer(): Status Buffers cannot be removed!";
  66     return;
  67   }
  68
  69   if(bufferInfo.type() == BufferInfo::ChannelBuffer) {
  70     CoreNetwork *net = _coreSession->network(bufferInfo.networkId());
  71     if(!net) {
  72       qWarning() << "CoreBufferSyncer::removeBuffer(): Received BufferInfo with unknown networkId!";
  73       return;
  74     }
  75     IrcChannel *chan = net->ircChannel(bufferInfo.bufferName());
  76     if(chan) {
  77       qWarning() << "CoreBufferSyncer::removeBuffer(): Unable to remove Buffer for joined Channel:" << bufferInfo.bufferName();
  78       return;
  79     }
  80   }
  81   if(Core::removeBuffer(_coreSession->user(), bufferId))
  82     BufferSyncer::removeBuffer(bufferId);
  83 }
  84
  85 void CoreBufferSyncer::renameBuffer(BufferId bufferId, QString newName) {
  86   BufferInfo bufferInfo = Core::getBufferInfo(_coreSession->user(), bufferId);
  87   if(!bufferInfo.isValid()) {
  88     qWarning() << "CoreBufferSyncer::renameBuffer(): invalid BufferId:" << bufferId << "for User:" << _coreSession->user();
  89     return;
  90   }
  91
  92   if(bufferInfo.type() != BufferInfo::QueryBuffer) {
  93     qWarning() << "CoreBufferSyncer::renameBuffer(): only QueryBuffers can be renamed" << bufferId;
  94     return;
  95   }
  96
  97   if(Core::renameBuffer(_coreSession->user(), bufferId, newName))
  98     BufferSyncer::renameBuffer(bufferId, newName);
  99 }
 100
 101 void CoreBufferSyncer::mergeBuffersPermanently(BufferId bufferId1, BufferId bufferId2) {
 102   BufferInfo bufferInfo1 = Core::getBufferInfo(_coreSession->user(), bufferId1);
 103   BufferInfo bufferInfo2 = Core::getBufferInfo(_coreSession->user(), bufferId2);
 104   if(!bufferInfo1.isValid() || !bufferInfo2.isValid()) {
 105     qWarning() << "CoreBufferSyncer::mergeBufferPermanently(): invalid BufferIds:" << bufferId1 << bufferId2 << "for User:" << _coreSession->user();
 106     return;
 107   }
 108
 109   if(bufferInfo1.type() != BufferInfo::QueryBuffer || bufferInfo2.type() != BufferInfo::QueryBuffer) {
 110     qWarning() << "CoreBufferSyncer::mergeBufferPermanently(): only QueryBuffers can be merged!" << bufferId1 << bufferId2;
 111     return;
 112   }
 113
 114   if(Core::mergeBuffersPermanently(_coreSession->user(), bufferId1, bufferId2)) {
 115     BufferSyncer::mergeBuffersPermanently(bufferId1, bufferId2);
 116   }
 117 }
 118
 119 void CoreBufferSyncer::customEvent(QEvent *event) {
 120   if(event->type() != QEvent::User)
 121     return;
 122
 123   purgeBufferIds();
 124   event->accept();
 125 }
 126
 127 void CoreBufferSyncer::requestPurgeBufferIds() {
 128   if(_purgeBuffers)
 129     return;
 130
 131   _purgeBuffers = true;
 132   QCoreApplication::postEvent(this, new PurgeEvent());
 133 }
 134
 135 void CoreBufferSyncer::purgeBufferIds() {
 136   _purgeBuffers = false;
 137   QList<BufferInfo> bufferInfos = Core::requestBuffers(_coreSession->user());
 138   QSet<BufferId> actualBuffers;
 139   foreach(BufferInfo bufferInfo, bufferInfos) {
 140     actualBuffers << bufferInfo.bufferId();
 141   }
 142
 143   QList<BufferId> storedIds = bufferIds();
 144   foreach(BufferId bufferId, storedIds) {
 145     if(!actualBuffers.contains(bufferId)) {
 146       BufferSyncer::removeBuffer(bufferId);
 147     }
 148   }
 149 }