src/client/messagefilter.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
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  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "messagefilter.h"
  22
  23 #include "buffersettings.h"
  24 #include "client.h"
  25 #include "buffermodel.h"
  26 #include "messagemodel.h"
  27 #include "networkmodel.h"
  28
  29 MessageFilter::MessageFilter(QAbstractItemModel *source, QObject *parent)
  30   : QSortFilterProxyModel(parent),
  31     _messageTypeFilter(0)
  32 {
  33   init();
  34   setSourceModel(source);
  35 }
  36
  37 MessageFilter::MessageFilter(MessageModel *source, const QList<BufferId> &buffers, QObject *parent)
  38   : QSortFilterProxyModel(parent),
  39     _validBuffers(buffers.toSet()),
  40     _messageTypeFilter(0)
  41 {
  42   init();
  43   setSourceModel(source);
  44 }
  45
  46 void MessageFilter::init() {
  47   setDynamicSortFilter(true);
  48
  49   BufferSettings defaultSettings;
  50   defaultSettings.notify("UserNoticesTarget", this, SLOT(messageRedirectionChanged()));
  51   defaultSettings.notify("ServerNoticesTarget", this, SLOT(messageRedirectionChanged()));
  52   defaultSettings.notify("ErrorMsgsTarget", this, SLOT(messageRedirectionChanged()));
  53   messageRedirectionChanged();
  54
  55   _messageTypeFilter = defaultSettings.messageFilter();
  56   defaultSettings.notify("MessageTypeFilter", this, SLOT(messageTypeFilterChanged()));
  57
  58   BufferSettings mySettings(idString());
  59   if(mySettings.hasFilter())
  60     _messageTypeFilter = mySettings.messageFilter();
  61   mySettings.notify("MessageTypeFilter", this, SLOT(messageTypeFilterChanged()));
  62   mySettings.notify("hasMessageTypeFilter", this, SLOT(messageTypeFilterChanged()));
  63 }
  64
  65 void MessageFilter::messageTypeFilterChanged() {
  66   int newFilter;
  67   BufferSettings defaultSettings;
  68   newFilter = BufferSettings().messageFilter();
  69
  70   BufferSettings mySettings(idString());
  71   if(mySettings.hasFilter())
  72     newFilter = mySettings.messageFilter();
  73
  74   if(_messageTypeFilter != newFilter) {
  75     _messageTypeFilter = newFilter;
  76     _filteredQuitMsgs.clear();
  77     invalidateFilter();
  78   }
  79 }
  80
  81 void MessageFilter::messageRedirectionChanged() {
  82   BufferSettings bufferSettings;
  83   bool changed = false;
  84
  85   if(_userNoticesTarget != bufferSettings.userNoticesTarget()) {
  86     _userNoticesTarget = bufferSettings.userNoticesTarget();
  87     changed = true;
  88   }
  89
  90   if(_serverNoticesTarget != bufferSettings.serverNoticesTarget()) {
  91     _serverNoticesTarget = bufferSettings.serverNoticesTarget();
  92     changed = true;
  93   }
  94
  95   if(_errorMsgsTarget != bufferSettings.errorMsgsTarget()) {
  96     _errorMsgsTarget = bufferSettings.errorMsgsTarget();
  97     changed = true;
  98   }
  99
 100   if(changed)
 101     invalidateFilter();
 102 }
 103
 104 QString MessageFilter::idString() const {
 105   if(_validBuffers.isEmpty())
 106     return "*";
 107
 108   QList<BufferId> bufferIds = _validBuffers.toList();
 109   qSort(bufferIds);
 110
 111   QStringList bufferIdStrings;
 112   foreach(BufferId id, bufferIds)
 113     bufferIdStrings << QString::number(id.toInt());
 114
 115   return bufferIdStrings.join("|");
 116 }
 117
 118 bool MessageFilter::filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const {
 119   Q_UNUSED(sourceParent);
 120   QModelIndex sourceIdx = sourceModel()->index(sourceRow, 2);
 121   Message::Type messageType = (Message::Type)sourceModel()->data(sourceIdx, MessageModel::TypeRole).toInt();
 122
 123   // apply message type filter
 124   if(_messageTypeFilter & messageType)
 125     return false;
 126
 127   if(_validBuffers.isEmpty())
 128     return true;
 129
 130   BufferId bufferId = sourceModel()->data(sourceIdx, MessageModel::BufferIdRole).value<BufferId>();
 131   if(!bufferId.isValid()) {
 132     return true;
 133   }
 134
 135   MsgId msgId = sourceModel()->data(sourceIdx, MessageModel::MsgIdRole).value<MsgId>();
 136   Message::Flags flags = (Message::Flags)sourceModel()->data(sourceIdx, MessageModel::FlagsRole).toInt();
 137
 138   NetworkId myNetworkId = networkId();
 139   NetworkId msgNetworkId = Client::networkModel()->networkId(bufferId);
 140   if(myNetworkId != msgNetworkId)
 141     return false;
 142
 143
 144   if(flags & Message::Redirected) {
 145     int redirectionTarget = 0;
 146     switch(messageType) {
 147     case Message::Notice:
 148       if(Client::networkModel()->bufferType(bufferId) != BufferInfo::ChannelBuffer) {
 149         if(flags & Message::ServerMsg) {
 150           // server notice
 151           redirectionTarget = _serverNoticesTarget;
 152         } else {
 153           redirectionTarget = _userNoticesTarget;
 154         }
 155       }
 156       break;
 157     case Message::Error:
 158       redirectionTarget = _errorMsgsTarget;
 159       break;
 160     default:
 161       break;
 162     }
 163
 164     if(redirectionTarget & BufferSettings::DefaultBuffer && _validBuffers.contains(bufferId))
 165       return true;
 166
 167     if(redirectionTarget & BufferSettings::CurrentBuffer && !(flags & Message::Backlog)) {
 168       BufferId redirectedTo = sourceModel()->data(sourceIdx, MessageModel::RedirectedToRole).value<BufferId>();
 169       if(!redirectedTo.isValid()) {
 170         BufferId redirectedTo = Client::bufferModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>();
 171         if(redirectedTo.isValid())
 172           sourceModel()->setData(sourceIdx, QVariant::fromValue<BufferId>(redirectedTo), MessageModel::RedirectedToRole);
 173       }
 174
 175       if(_validBuffers.contains(redirectedTo))
 176         return true;
 177     }
 178
 179     if(redirectionTarget & BufferSettings::StatusBuffer) {
 180       QSet<BufferId>::const_iterator idIter = _validBuffers.constBegin();
 181       while(idIter != _validBuffers.constEnd()) {
 182         if(Client::networkModel()->bufferType(*idIter) == BufferInfo::StatusBuffer)
 183           return true;
 184         idIter++;
 185       }
 186     }
 187
 188     return false;
 189   }
 190
 191
 192   if(_validBuffers.contains(bufferId)) {
 193     return true;
 194   } else {
 195     // show Quit messages in Query buffers:
 196     if(bufferType() != BufferInfo::QueryBuffer)
 197       return false;
 198     if(!(messageType & Message::Quit))
 199       return false;
 200
 201     if(myNetworkId != msgNetworkId)
 202       return false;
 203
 204     uint messageTimestamp = sourceModel()->data(sourceIdx, MessageModel::TimestampRole).value<QDateTime>().toTime_t();
 205     QString quiter = sourceModel()->data(sourceIdx, Qt::DisplayRole).toString().section(' ', 0, 0, QString::SectionSkipEmpty).toLower();
 206     if(quiter != bufferName().toLower())
 207       return false;
 208
 209     if(_filteredQuitMsgs.contains(quiter, messageTimestamp))
 210       return false;
 211
 212     MessageFilter *that = const_cast<MessageFilter *>(this);
 213     that->_filteredQuitMsgs.insert(quiter,  messageTimestamp);
 214     return true;
 215   }
 216 }
 217
 218 void MessageFilter::requestBacklog() {
 219   QSet<BufferId>::const_iterator bufferIdIter = _validBuffers.constBegin();
 220   while(bufferIdIter != _validBuffers.constEnd()) {
 221     Client::messageModel()->requestBacklog(*bufferIdIter);
 222     bufferIdIter++;
 223   }
 224 }