src/client/bufferviewoverlay.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel Project                          *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
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   8  *   (at your option) version 3.                                           *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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  20
  21 #include "bufferviewoverlay.h"
  22
  23 #include <QEvent>
  24
  25 #include "client.h"
  26 #include "bufferviewconfig.h"
  27 #include "clientbufferviewmanager.h"
  28
  29 const int BufferViewOverlay::_updateEventId = QEvent::registerEventType();
  30
  31 BufferViewOverlay::BufferViewOverlay(QObject *parent)
  32   : QObject(parent),
  33     _aboutToUpdate(false),
  34     _addBuffersAutomatically(false),
  35     _hideInactiveBuffers(false),
  36     _allowedBufferTypes(0),
  37     _minimumActivity(0)
  38 {
  39 }
  40
  41 void BufferViewOverlay::addView(int viewId) {
  42   if(_bufferViewIds.contains(viewId))
  43     return;
  44
  45   BufferViewConfig *config = Client::bufferViewManager()->bufferViewConfig(viewId);
  46   if(!config) {
  47     qDebug() << "BufferViewOverlay::addView(): no such buffer view:" << viewId;
  48     return;
  49   }
  50
  51   _bufferViewIds << viewId;
  52   if(config->isInitialized()) {
  53     viewInitialized(config);
  54   } else {
  55     disconnect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
  56     connect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
  57   }
  58 }
  59
  60 void BufferViewOverlay::removeView(int viewId) {
  61   if(!_bufferViewIds.contains(viewId))
  62     return;
  63
  64   _bufferViewIds.remove(viewId);
  65   BufferViewConfig *config = qobject_cast<BufferViewConfig *>(sender());
  66   if(config)
  67     disconnect(config, 0, this, 0);
  68   update();
  69 }
  70
  71 void BufferViewOverlay::viewInitialized(BufferViewConfig *config) {
  72   if(!config) {
  73     qWarning() << "BufferViewOverlay::viewInitialized() received invalid view!";
  74     return;
  75   }
  76   disconnect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
  77
  78   connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(update()));
  79   connect(config, SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(update()));
  80   connect(config, SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(update()));
  81   connect(config, SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(update()));
  82   connect(config, SIGNAL(allowedBufferTypesSet(int)), this, SLOT(update()));
  83   connect(config, SIGNAL(minimumActivitySet(int)), this, SLOT(update()));
  84   connect(config, SIGNAL(bufferListSet()), this, SLOT(update()));
  85   connect(config, SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(update()));
  86   connect(config, SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(update()));
  87   connect(config, SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(update()));
  88
  89   // check if the view was removed in the meantime...
  90   if(_bufferViewIds.contains(config->bufferViewId()))
  91     update();
  92 }
  93
  94 void BufferViewOverlay::viewInitialized() {
  95   BufferViewConfig *config = qobject_cast<BufferViewConfig *>(sender());
  96   Q_ASSERT(config);
  97
  98   viewInitialized(config);
  99 }
 100
 101 void BufferViewOverlay::update() {
 102   if(_aboutToUpdate) {
 103     return;
 104   }
 105   _aboutToUpdate = true;
 106   QCoreApplication::postEvent(this, new QEvent((QEvent::Type)_updateEventId));
 107 }
 108
 109 void BufferViewOverlay::updateHelper() {
 110   bool changed = false;
 111
 112   bool addBuffersAutomatically = false;
 113   bool hideInactiveBuffers = true;
 114   int allowedBufferTypes = 0;
 115   int minimumActivity = -1;
 116   QSet<NetworkId> networkIds;
 117   QSet<BufferId> buffers;
 118   QSet<BufferId> removedBuffers;
 119   QSet<BufferId> tempRemovedBuffers;
 120
 121   BufferViewConfig *config = 0;
 122   QSet<int>::const_iterator viewIter;
 123   for(viewIter = _bufferViewIds.constBegin(); viewIter != _bufferViewIds.constEnd(); viewIter++) {
 124     config = Client::bufferViewManager()->bufferViewConfig(*viewIter);
 125     if(!config)
 126       continue;
 127
 128     networkIds << config->networkId();
 129     buffers += config->bufferList().toSet();
 130     tempRemovedBuffers += config->temporarilyRemovedBuffers();
 131
 132     // in the overlay a buffer is removed it is removed from all views
 133     if(removedBuffers.isEmpty())
 134       removedBuffers = config->removedBuffers();
 135     else
 136       removedBuffers.intersect(config->removedBuffers());
 137
 138
 139     addBuffersAutomatically |= config->addNewBuffersAutomatically();
 140     hideInactiveBuffers &= config->hideInactiveBuffers();
 141     allowedBufferTypes |= config->allowedBufferTypes();
 142     if(minimumActivity == -1 || config->minimumActivity() < minimumActivity)
 143       minimumActivity = config->minimumActivity();
 144   }
 145
 146   changed |= (addBuffersAutomatically != _addBuffersAutomatically);
 147   changed |= (hideInactiveBuffers != _hideInactiveBuffers);
 148   changed |= (allowedBufferTypes != _allowedBufferTypes);
 149   changed |= (minimumActivity != _minimumActivity);
 150   changed |= (networkIds != _networkIds);
 151   changed |= (buffers != _buffers);
 152   changed |= (removedBuffers != _removedBuffers);
 153   changed |= (tempRemovedBuffers != _tempRemovedBuffers);
 154
 155   _addBuffersAutomatically = addBuffersAutomatically;
 156   _hideInactiveBuffers = hideInactiveBuffers;
 157   _allowedBufferTypes = allowedBufferTypes;
 158   _minimumActivity = minimumActivity;
 159   _networkIds = networkIds;
 160   _buffers = buffers;
 161   _removedBuffers = removedBuffers;
 162   _tempRemovedBuffers = tempRemovedBuffers;
 163
 164   if(changed)
 165     emit hasChanged();
 166 }
 167
 168 void BufferViewOverlay::customEvent(QEvent *event) {
 169   if(event->type() == _updateEventId) {
 170     updateHelper();
 171     _aboutToUpdate = false;
 172   }
 173 }