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(configChanged()), this, SLOT(update()));
 102 //   connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(update()));
 103 //   connect(config, SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(update()));
 104 //   connect(config, SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(update()));
 105 //   connect(config, SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(update()));
 106 //   connect(config, SIGNAL(allowedBufferTypesSet(int)), this, SLOT(update()));
 107 //   connect(config, SIGNAL(minimumActivitySet(int)), this, SLOT(update()));
 108 //   connect(config, SIGNAL(bufferListSet()), this, SLOT(update()));
 109 //   connect(config, SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(update()));
 110 //   connect(config, SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(update()));
 111 //   connect(config, SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(update()));
 112
 113   // check if the view was removed in the meantime...
 114   if(_bufferViewIds.contains(config->bufferViewId()))
 115     update();
 116
 117   _uninitializedViewCount--;
 118   if(isInitialized())
 119     emit initDone();
 120 }
 121
 122 void BufferViewOverlay::viewInitialized() {
 123   BufferViewConfig *config = qobject_cast<BufferViewConfig *>(sender());
 124   Q_ASSERT(config);
 125
 126   viewInitialized(config);
 127 }
 128
 129 void BufferViewOverlay::update() {
 130   if(_aboutToUpdate) {
 131     return;
 132   }
 133   _aboutToUpdate = true;
 134   QCoreApplication::postEvent(this, new QEvent((QEvent::Type)_updateEventId));
 135 }
 136
 137 void BufferViewOverlay::updateHelper() {
 138   if(!_aboutToUpdate)
 139     return;
 140
 141   bool changed = false;
 142
 143   bool addBuffersAutomatically = false;
 144   bool hideInactiveBuffers = true;
 145   int allowedBufferTypes = 0;
 146   int minimumActivity = -1;
 147   QSet<NetworkId> networkIds;
 148   QSet<BufferId> buffers;
 149   QSet<BufferId> removedBuffers;
 150   QSet<BufferId> tempRemovedBuffers;
 151
 152   if(Client::bufferViewManager()) {
 153     BufferViewConfig *config = 0;
 154     QSet<int>::const_iterator viewIter;
 155     for(viewIter = _bufferViewIds.constBegin(); viewIter != _bufferViewIds.constEnd(); viewIter++) {
 156       config = Client::bufferViewManager()->bufferViewConfig(*viewIter);
 157       if(!config)
 158         continue;
 159
 160       networkIds << config->networkId();
 161       if(config->networkId().isValid()) {
 162         NetworkId networkId = config->networkId();
 163         // we have to filter out all the buffers that don't belong to this net... :/
 164         QSet<BufferId> bufferIds;
 165         foreach(BufferId bufferId, config->bufferList()) {
 166           if(Client::networkModel()->networkId(bufferId) == networkId)
 167             bufferIds << bufferId;
 168         }
 169         buffers += bufferIds;
 170
 171         bufferIds.clear();
 172         foreach(BufferId bufferId, config->temporarilyRemovedBuffers()) {
 173           if(Client::networkModel()->networkId(bufferId) == networkId)
 174             bufferIds << bufferId;
 175         }
 176         tempRemovedBuffers += bufferIds;
 177       } else {
 178         buffers += config->bufferList().toSet();
 179         tempRemovedBuffers += config->temporarilyRemovedBuffers();
 180       }
 181
 182       // in the overlay a buffer is removed it is removed from all views
 183       if(removedBuffers.isEmpty())
 184         removedBuffers = config->removedBuffers();
 185       else
 186         removedBuffers.intersect(config->removedBuffers());
 187
 188
 189       addBuffersAutomatically |= config->addNewBuffersAutomatically();
 190       hideInactiveBuffers &= config->hideInactiveBuffers();
 191       allowedBufferTypes |= config->allowedBufferTypes();
 192       if(minimumActivity == -1 || config->minimumActivity() < minimumActivity)
 193         minimumActivity = config->minimumActivity();
 194     }
 195     QSet<BufferId> availableBuffers = Client::networkModel()->allBufferIds().toSet();
 196     buffers.intersect(availableBuffers);
 197     tempRemovedBuffers.intersect(availableBuffers);
 198   }
 199
 200   changed |= (addBuffersAutomatically != _addBuffersAutomatically);
 201   changed |= (hideInactiveBuffers != _hideInactiveBuffers);
 202   changed |= (allowedBufferTypes != _allowedBufferTypes);
 203   changed |= (minimumActivity != _minimumActivity);
 204   changed |= (networkIds != _networkIds);
 205   changed |= (buffers != _buffers);
 206   changed |= (removedBuffers != _removedBuffers);
 207   changed |= (tempRemovedBuffers != _tempRemovedBuffers);
 208
 209   _addBuffersAutomatically = addBuffersAutomatically;
 210   _hideInactiveBuffers = hideInactiveBuffers;
 211   _allowedBufferTypes = allowedBufferTypes;
 212   _minimumActivity = minimumActivity;
 213   _networkIds = networkIds;
 214   _buffers = buffers;
 215   _removedBuffers = removedBuffers;
 216   _tempRemovedBuffers = tempRemovedBuffers;
 217
 218   _aboutToUpdate = false;
 219
 220   if(changed)
 221     emit hasChanged();
 222 }
 223
 224 void BufferViewOverlay::customEvent(QEvent *event) {
 225   if(event->type() == _updateEventId) {
 226     updateHelper();
 227   }
 228 }
 229
 230 bool BufferViewOverlay::allNetworks() {
 231   updateHelper();
 232   return _networkIds.contains(NetworkId());
 233 }
 234
 235 const QSet<NetworkId> &BufferViewOverlay::networkIds() {
 236   updateHelper();
 237   return _networkIds;
 238 }
 239
 240 const QSet<BufferId> &BufferViewOverlay::bufferIds() {
 241   updateHelper();
 242   return _buffers;
 243 }
 244
 245 const QSet<BufferId> &BufferViewOverlay::removedBufferIds() {
 246   updateHelper();
 247   return _removedBuffers;
 248 }
 249
 250 const QSet<BufferId> &BufferViewOverlay::tempRemovedBufferIds() {
 251   updateHelper();
 252   return _tempRemovedBuffers;
 253 }
 254
 255 bool BufferViewOverlay::addBuffersAutomatically() {
 256   updateHelper();
 257   return _addBuffersAutomatically;
 258 }
 259
 260 bool BufferViewOverlay::hideInactiveBuffers() {
 261   updateHelper();
 262   return _hideInactiveBuffers;
 263 }
 264
 265 int BufferViewOverlay::allowedBufferTypes() {
 266   updateHelper();
 267   return _allowedBufferTypes;
 268 }
 269
 270 int BufferViewOverlay::minimumActivity() {
 271   updateHelper();
 272   return _minimumActivity;
 273 }