src/client/bufferviewoverlay.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 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  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "bufferviewoverlay.h"
  22
  23 #include <QEvent>
  24
  25 #include "bufferviewconfig.h"
  26 #include "client.h"
  27 #include "clientbufferviewmanager.h"
  28 #include "networkmodel.h"
  29
  30 const int BufferViewOverlay::_updateEventId = QEvent::registerEventType();
  31
  32 BufferViewOverlay::BufferViewOverlay(QObject *parent)
  33   : QObject(parent),
  34     _aboutToUpdate(false),
  35     _uninitializedViewCount(0),
  36     _addBuffersAutomatically(false),
  37     _hideInactiveBuffers(false),
  38     _allowedBufferTypes(0),
  39     _minimumActivity(0)
  40 {
  41 }
  42
  43 void BufferViewOverlay::addView(int viewId) {
  44   if(_bufferViewIds.contains(viewId))
  45     return;
  46
  47   BufferViewConfig *config = Client::bufferViewManager()->bufferViewConfig(viewId);
  48   if(!config) {
  49     qDebug() << "BufferViewOverlay::addView(): no such buffer view:" << viewId;
  50     return;
  51   }
  52
  53   _bufferViewIds << viewId;
  54   _uninitializedViewCount++;
  55   if(config->isInitialized()) {
  56     viewInitialized(config);
  57   } else {
  58     disconnect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
  59     connect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
  60   }
  61 }
  62
  63 void BufferViewOverlay::removeView(int viewId) {
  64   if(!_bufferViewIds.contains(viewId))
  65     return;
  66
  67   _bufferViewIds.remove(viewId);
  68   BufferViewConfig *config = Client::bufferViewManager()->bufferViewConfig(viewId);
  69   if(config)
  70     disconnect(config, 0, this, 0);
  71
  72   // update initialized State:
  73   bool wasInitialized = isInitialized();
  74   _uninitializedViewCount = 0;
  75   QSet<int>::iterator viewIter = _bufferViewIds.begin();
  76   while(viewIter != _bufferViewIds.end()) {
  77     config = Client::bufferViewManager()->bufferViewConfig(*viewIter);
  78     if(!config) {
  79       viewIter = _bufferViewIds.erase(viewIter);
  80     } else {
  81       if(!config->isInitialized())
  82         _uninitializedViewCount++;
  83       viewIter++;
  84     }
  85   }
  86
  87   update();
  88   if(!wasInitialized && isInitialized())
  89     emit initDone();
  90 }
  91
  92 void BufferViewOverlay::viewInitialized(BufferViewConfig *config) {
  93   if(!config) {
  94     qWarning() << "BufferViewOverlay::viewInitialized() received invalid view!";
  95     return;
  96   }
  97   disconnect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
  98
  99   connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(update()));
 100   connect(config, SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(update()));
 101   connect(config, SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(update()));
 102   connect(config, SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(update()));
 103   connect(config, SIGNAL(allowedBufferTypesSet(int)), this, SLOT(update()));
 104   connect(config, SIGNAL(minimumActivitySet(int)), this, SLOT(update()));
 105   connect(config, SIGNAL(bufferListSet()), this, SLOT(update()));
 106   connect(config, SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(update()));
 107   connect(config, SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(update()));
 108   connect(config, SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(update()));
 109
 110   // check if the view was removed in the meantime...
 111   if(_bufferViewIds.contains(config->bufferViewId()))
 112     update();
 113
 114   _uninitializedViewCount--;
 115   if(isInitialized())
 116     emit initDone();
 117 }
 118
 119 void BufferViewOverlay::viewInitialized() {
 120   BufferViewConfig *config = qobject_cast<BufferViewConfig *>(sender());
 121   Q_ASSERT(config);
 122
 123   viewInitialized(config);
 124 }
 125
 126 void BufferViewOverlay::update() {
 127   if(_aboutToUpdate) {
 128     return;
 129   }
 130   _aboutToUpdate = true;
 131   QCoreApplication::postEvent(this, new QEvent((QEvent::Type)_updateEventId));
 132 }
 133
 134 void BufferViewOverlay::updateHelper() {
 135   if(!_aboutToUpdate)
 136     return;
 137
 138   bool changed = false;
 139
 140   bool addBuffersAutomatically = false;
 141   bool hideInactiveBuffers = true;
 142   int allowedBufferTypes = 0;
 143   int minimumActivity = -1;
 144   QSet<NetworkId> networkIds;
 145   QSet<BufferId> buffers;
 146   QSet<BufferId> removedBuffers;
 147   QSet<BufferId> tempRemovedBuffers;
 148
 149   if(Client::bufferViewManager()) {
 150     BufferViewConfig *config = 0;
 151     QSet<int>::const_iterator viewIter;
 152     for(viewIter = _bufferViewIds.constBegin(); viewIter != _bufferViewIds.constEnd(); viewIter++) {
 153       config = Client::bufferViewManager()->bufferViewConfig(*viewIter);
 154       if(!config)
 155         continue;
 156
 157       networkIds << config->networkId();
 158       if(config->networkId().isValid()) {
 159         NetworkId networkId = config->networkId();
 160         // we have to filter out all the buffers that don't belong to this net... :/
 161         QSet<BufferId> bufferIds;
 162         foreach(BufferId bufferId, config->bufferList()) {
 163           if(Client::networkModel()->networkId(bufferId) == networkId)
 164             bufferIds << bufferId;
 165         }
 166         buffers += bufferIds;
 167
 168         bufferIds.clear();
 169         foreach(BufferId bufferId, config->temporarilyRemovedBuffers()) {
 170           if(Client::networkModel()->networkId(bufferId) == networkId)
 171             bufferIds << bufferId;
 172         }
 173         tempRemovedBuffers += bufferIds;
 174       } else {
 175         buffers += config->bufferList().toSet();
 176         tempRemovedBuffers += config->temporarilyRemovedBuffers();
 177       }
 178
 179       // in the overlay a buffer is removed it is removed from all views
 180       if(removedBuffers.isEmpty())
 181         removedBuffers = config->removedBuffers();
 182       else
 183         removedBuffers.intersect(config->removedBuffers());
 184
 185
 186       addBuffersAutomatically |= config->addNewBuffersAutomatically();
 187       hideInactiveBuffers &= config->hideInactiveBuffers();
 188       allowedBufferTypes |= config->allowedBufferTypes();
 189       if(minimumActivity == -1 || config->minimumActivity() < minimumActivity)
 190         minimumActivity = config->minimumActivity();
 191     }
 192     QSet<BufferId> availableBuffers = Client::networkModel()->allBufferIds().toSet();
 193     buffers.intersect(availableBuffers);
 194     tempRemovedBuffers.intersect(availableBuffers);
 195   }
 196
 197   changed |= (addBuffersAutomatically != _addBuffersAutomatically);
 198   changed |= (hideInactiveBuffers != _hideInactiveBuffers);
 199   changed |= (allowedBufferTypes != _allowedBufferTypes);
 200   changed |= (minimumActivity != _minimumActivity);
 201   changed |= (networkIds != _networkIds);
 202   changed |= (buffers != _buffers);
 203   changed |= (removedBuffers != _removedBuffers);
 204   changed |= (tempRemovedBuffers != _tempRemovedBuffers);
 205
 206   _addBuffersAutomatically = addBuffersAutomatically;
 207   _hideInactiveBuffers = hideInactiveBuffers;
 208   _allowedBufferTypes = allowedBufferTypes;
 209   _minimumActivity = minimumActivity;
 210   _networkIds = networkIds;
 211   _buffers = buffers;
 212   _removedBuffers = removedBuffers;
 213   _tempRemovedBuffers = tempRemovedBuffers;
 214
 215   _aboutToUpdate = false;
 216
 217   if(changed)
 218     emit hasChanged();
 219 }
 220
 221 void BufferViewOverlay::customEvent(QEvent *event) {
 222   if(event->type() == _updateEventId) {
 223     updateHelper();
 224   }
 225 }
 226
 227 bool BufferViewOverlay::allNetworks() {
 228   updateHelper();
 229   return _networkIds.contains(NetworkId());
 230 }
 231
 232 const QSet<NetworkId> &BufferViewOverlay::networkIds() {
 233   updateHelper();
 234   return _networkIds;
 235 }
 236
 237 const QSet<BufferId> &BufferViewOverlay::bufferIds() {
 238   updateHelper();
 239   return _buffers;
 240 }
 241
 242 const QSet<BufferId> &BufferViewOverlay::removedBufferIds() {
 243   updateHelper();
 244   return _removedBuffers;
 245 }
 246
 247 const QSet<BufferId> &BufferViewOverlay::tempRemovedBufferIds() {
 248   updateHelper();
 249   return _tempRemovedBuffers;
 250 }
 251
 252 bool BufferViewOverlay::addBuffersAutomatically() {
 253   updateHelper();
 254   return _addBuffersAutomatically;
 255 }
 256
 257 bool BufferViewOverlay::hideInactiveBuffers() {
 258   updateHelper();
 259   return _hideInactiveBuffers;
 260 }
 261
 262 int BufferViewOverlay::allowedBufferTypes() {
 263   updateHelper();
 264   return _allowedBufferTypes;
 265 }
 266
 267 int BufferViewOverlay::minimumActivity() {
 268   updateHelper();
 269   return _minimumActivity;
 270 }