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,       *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
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  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     // we use a queued connection here since manipulating the connection list of a sending object
  60     // doesn't seem to be such a good idea while executing a connected slots.
  61     connect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()), Qt::QueuedConnection);
  62   }
  63 }
  64
  65 void BufferViewOverlay::removeView(int viewId) {
  66   if(!_bufferViewIds.contains(viewId))
  67     return;
  68
  69   _bufferViewIds.remove(viewId);
  70   BufferViewConfig *config = Client::bufferViewManager()->bufferViewConfig(viewId);
  71   if(config)
  72     disconnect(config, 0, this, 0);
  73
  74   // update initialized State:
  75   bool wasInitialized = isInitialized();
  76   _uninitializedViewCount = 0;
  77   QSet<int>::iterator viewIter = _bufferViewIds.begin();
  78   while(viewIter != _bufferViewIds.end()) {
  79     config = Client::bufferViewManager()->bufferViewConfig(*viewIter);
  80     if(!config) {
  81       viewIter = _bufferViewIds.erase(viewIter);
  82     } else {
  83       if(!config->isInitialized())
  84         _uninitializedViewCount++;
  85       viewIter++;
  86     }
  87   }
  88
  89   update();
  90   if(!wasInitialized && isInitialized())
  91     emit initDone();
  92 }
  93
  94 void BufferViewOverlay::viewInitialized(BufferViewConfig *config) {
  95   if(!config) {
  96     qWarning() << "BufferViewOverlay::viewInitialized() received invalid view!";
  97     return;
  98   }
  99   disconnect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
 100
 101   connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(update()));
 102   connect(config, SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(update()));
 103   connect(config, SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(update()));
 104   connect(config, SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(update()));
 105   connect(config, SIGNAL(allowedBufferTypesSet(int)), this, SLOT(update()));
 106   connect(config, SIGNAL(minimumActivitySet(int)), this, SLOT(update()));
 107   connect(config, SIGNAL(bufferListSet()), this, SLOT(update()));
 108   connect(config, SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(update()));
 109   connect(config, SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(update()));
 110   connect(config, SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(update()));
 111
 112   // check if the view was removed in the meantime...
 113   if(_bufferViewIds.contains(config->bufferViewId()))
 114     update();
 115
 116   _uninitializedViewCount--;
 117   if(isInitialized())
 118     emit initDone();
 119 }
 120
 121 void BufferViewOverlay::viewInitialized() {
 122   BufferViewConfig *config = qobject_cast<BufferViewConfig *>(sender());
 123   Q_ASSERT(config);
 124
 125   viewInitialized(config);
 126 }
 127
 128 void BufferViewOverlay::update() {
 129   if(_aboutToUpdate) {
 130     return;
 131   }
 132   _aboutToUpdate = true;
 133   QCoreApplication::postEvent(this, new QEvent((QEvent::Type)_updateEventId));
 134 }
 135
 136 void BufferViewOverlay::updateHelper() {
 137   if(!_aboutToUpdate)
 138     return;
 139
 140   bool changed = false;
 141
 142   bool addBuffersAutomatically = false;
 143   bool hideInactiveBuffers = true;
 144   int allowedBufferTypes = 0;
 145   int minimumActivity = -1;
 146   QSet<NetworkId> networkIds;
 147   QSet<BufferId> buffers;
 148   QSet<BufferId> removedBuffers;
 149   QSet<BufferId> tempRemovedBuffers;
 150
 151   if(Client::bufferViewManager()) {
 152     BufferViewConfig *config = 0;
 153     QSet<int>::const_iterator viewIter;
 154     for(viewIter = _bufferViewIds.constBegin(); viewIter != _bufferViewIds.constEnd(); viewIter++) {
 155       config = Client::bufferViewManager()->bufferViewConfig(*viewIter);
 156       if(!config)
 157         continue;
 158
 159       networkIds << config->networkId();
 160       if(config->networkId().isValid()) {
 161         NetworkId networkId = config->networkId();
 162         // we have to filter out all the buffers that don't belong to this net... :/
 163         QSet<BufferId> bufferIds;
 164         foreach(BufferId bufferId, config->bufferList()) {
 165           if(Client::networkModel()->networkId(bufferId) == networkId)
 166             bufferIds << bufferId;
 167         }
 168         buffers += bufferIds;
 169
 170         bufferIds.clear();
 171         foreach(BufferId bufferId, config->temporarilyRemovedBuffers()) {
 172           if(Client::networkModel()->networkId(bufferId) == networkId)
 173             bufferIds << bufferId;
 174         }
 175         tempRemovedBuffers += bufferIds;
 176       } else {
 177         buffers += config->bufferList().toSet();
 178         tempRemovedBuffers += config->temporarilyRemovedBuffers();
 179       }
 180
 181       // in the overlay a buffer is removed it is removed from all views
 182       if(removedBuffers.isEmpty())
 183         removedBuffers = config->removedBuffers();
 184       else
 185         removedBuffers.intersect(config->removedBuffers());
 186
 187
 188       addBuffersAutomatically |= config->addNewBuffersAutomatically();
 189       hideInactiveBuffers &= config->hideInactiveBuffers();
 190       allowedBufferTypes |= config->allowedBufferTypes();
 191       if(minimumActivity == -1 || config->minimumActivity() < minimumActivity)
 192         minimumActivity = config->minimumActivity();
 193     }
 194     QSet<BufferId> availableBuffers = Client::networkModel()->allBufferIds().toSet();
 195     buffers.intersect(availableBuffers);
 196     tempRemovedBuffers.intersect(availableBuffers);
 197   }
 198
 199   changed |= (addBuffersAutomatically != _addBuffersAutomatically);
 200   changed |= (hideInactiveBuffers != _hideInactiveBuffers);
 201   changed |= (allowedBufferTypes != _allowedBufferTypes);
 202   changed |= (minimumActivity != _minimumActivity);
 203   changed |= (networkIds != _networkIds);
 204   changed |= (buffers != _buffers);
 205   changed |= (removedBuffers != _removedBuffers);
 206   changed |= (tempRemovedBuffers != _tempRemovedBuffers);
 207
 208   _addBuffersAutomatically = addBuffersAutomatically;
 209   _hideInactiveBuffers = hideInactiveBuffers;
 210   _allowedBufferTypes = allowedBufferTypes;
 211   _minimumActivity = minimumActivity;
 212   _networkIds = networkIds;
 213   _buffers = buffers;
 214   _removedBuffers = removedBuffers;
 215   _tempRemovedBuffers = tempRemovedBuffers;
 216
 217   _aboutToUpdate = false;
 218
 219   if(changed)
 220     emit hasChanged();
 221 }
 222
 223 void BufferViewOverlay::customEvent(QEvent *event) {
 224   if(event->type() == _updateEventId) {
 225     updateHelper();
 226   }
 227 }
 228
 229 bool BufferViewOverlay::allNetworks() {
 230   updateHelper();
 231   return _networkIds.contains(NetworkId());
 232 }
 233
 234 const QSet<NetworkId> &BufferViewOverlay::networkIds() {
 235   updateHelper();
 236   return _networkIds;
 237 }
 238
 239 const QSet<BufferId> &BufferViewOverlay::bufferIds() {
 240   updateHelper();
 241   return _buffers;
 242 }
 243
 244 const QSet<BufferId> &BufferViewOverlay::removedBufferIds() {
 245   updateHelper();
 246   return _removedBuffers;
 247 }
 248
 249 const QSet<BufferId> &BufferViewOverlay::tempRemovedBufferIds() {
 250   updateHelper();
 251   return _tempRemovedBuffers;
 252 }
 253
 254 bool BufferViewOverlay::addBuffersAutomatically() {
 255   updateHelper();
 256   return _addBuffersAutomatically;
 257 }
 258
 259 bool BufferViewOverlay::hideInactiveBuffers() {
 260   updateHelper();
 261   return _hideInactiveBuffers;
 262 }
 263
 264 int BufferViewOverlay::allowedBufferTypes() {
 265   updateHelper();
 266   return _allowedBufferTypes;
 267 }
 268
 269 int BufferViewOverlay::minimumActivity() {
 270   updateHelper();
 271   return _minimumActivity;
 272 }