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  *
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   8  *   (at your option) version 3.                                           *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
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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     update();
  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   update();
  66 }
  67
  68 void BufferViewOverlay::viewInitialized() {
  69   BufferViewConfig *config = qobject_cast<BufferViewConfig *>(sender());
  70   Q_ASSERT(config);
  71
  72   disconnect(config, SIGNAL(initDone()), this, SLOT(viewInitialized()));
  73
  74   // check if the view was removed in the meantime...
  75   if(_bufferViewIds.contains(config->bufferViewId()))
  76     update();
  77 }
  78
  79 void BufferViewOverlay::update() {
  80   if(_aboutToUpdate) {
  81     return;
  82   }
  83   _aboutToUpdate = true;
  84 }
  85
  86 void BufferViewOverlay::updateHelper() {
  87   bool changed = false;
  88
  89   bool addBuffersAutomatically = false;
  90   bool hideInactiveBuffers = true;
  91   int allowedBufferTypes = 0;
  92   int minimumActivity = -1;
  93   QSet<NetworkId> networkIds;
  94   QSet<BufferId> buffers;
  95   QSet<BufferId> removedBuffers;
  96   QSet<BufferId> tempRemovedBuffers;
  97
  98   BufferViewConfig *config = 0;
  99   QSet<int>::const_iterator viewIter;
 100   for(viewIter = _bufferViewIds.constBegin(); viewIter != _bufferViewIds.constEnd(); viewIter++) {
 101     config = Client::bufferViewManager()->bufferViewConfig(*viewIter);
 102     if(!config)
 103       continue;
 104
 105     networkIds << config->networkId();
 106     buffers += config->bufferList().toSet();
 107     removedBuffers += config->removedBuffers();
 108     tempRemovedBuffers += config->temporarilyRemovedBuffers();
 109
 110     addBuffersAutomatically |= config->addNewBuffersAutomatically();
 111     hideInactiveBuffers &= config->hideInactiveBuffers();
 112     allowedBufferTypes |= config->allowedBufferTypes();
 113     if(minimumActivity == -1 || config->minimumActivity() < minimumActivity)
 114       minimumActivity = config->minimumActivity();
 115   }
 116
 117   changed |= (addBuffersAutomatically != _addBuffersAutomatically);
 118   changed |= (hideInactiveBuffers != _hideInactiveBuffers);
 119   changed |= (allowedBufferTypes != _allowedBufferTypes);
 120   changed |= (minimumActivity != _minimumActivity);
 121   changed |= (networkIds != _networkIds);
 122   changed |= (buffers != _buffers);
 123   changed |= (removedBuffers != _removedBuffers);
 124   changed |= (tempRemovedBuffers != _tempRemovedBuffers);
 125
 126   _addBuffersAutomatically = addBuffersAutomatically;
 127   _hideInactiveBuffers = hideInactiveBuffers;
 128   _allowedBufferTypes = allowedBufferTypes;
 129   _minimumActivity = minimumActivity;
 130   _networkIds = networkIds;
 131   _buffers = buffers;
 132   _removedBuffers = removedBuffers;
 133   _tempRemovedBuffers = tempRemovedBuffers;
 134
 135   if(changed)
 136     emit hasChanged();
 137 }
 138
 139 void BufferViewOverlay::customEvent(QEvent *event) {
 140   if(event->type() == _updateEventId) {
 141     updateHelper();
 142     _aboutToUpdate = false;
 143   }
 144 }