src/uisupport/abstractbuffercontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 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 "abstractbuffercontainer.h"
  22 #include "client.h"
  23 #include "clientbacklogmanager.h"
  24 #include "networkmodel.h"
  25
  26 AbstractBufferContainer::AbstractBufferContainer(QWidget *parent)
  27   : AbstractItemView(parent),
  28     _currentBuffer(0)
  29 {
  30 }
  31
  32 AbstractBufferContainer::~AbstractBufferContainer() {
  33 }
  34
  35 void AbstractBufferContainer::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
  36   Q_ASSERT(model());
  37   if(!parent.isValid()) {
  38     // ok this means that whole networks are about to be removed
  39     // we can't determine which buffers are affect, so we hope that all nets are removed
  40     // this is the most common case (for example disconnecting from the core or terminating the client)
  41     if(model()->rowCount(parent) != end - start + 1)
  42       return;
  43
  44     foreach(BufferId id, _chatViews.keys()) {
  45       removeChatView(id);
  46     }
  47     _chatViews.clear();
  48   } else {
  49     // check if there are explicitly buffers removed
  50     for(int i = start; i <= end; i++) {
  51       QVariant variant = parent.child(i,0).data(NetworkModel::BufferIdRole);
  52       if(!variant.isValid())
  53         continue;
  54
  55       BufferId bufferId = variant.value<BufferId>();
  56       removeBuffer(bufferId);
  57     }
  58   }
  59 }
  60
  61 void AbstractBufferContainer::removeBuffer(BufferId bufferId) {
  62   if(!_chatViews.contains(bufferId))
  63     return;
  64
  65   removeChatView(bufferId);
  66   _chatViews.take(bufferId);
  67 }
  68
  69 void AbstractBufferContainer::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
  70   BufferId newBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
  71   BufferId oldBufferId = previous.data(NetworkModel::BufferIdRole).value<BufferId>();
  72   if(newBufferId != oldBufferId) {
  73     setCurrentBuffer(newBufferId);
  74     emit currentChanged(newBufferId);
  75     emit currentChanged(current);
  76   }
  77 }
  78
  79 void AbstractBufferContainer::setCurrentBuffer(BufferId bufferId) {
  80   BufferId prevBufferId = currentBuffer();
  81   if(prevBufferId.isValid() && _chatViews.contains(prevBufferId)) {
  82     MsgId msgId = _chatViews.value(prevBufferId)->lastMsgId();
  83     Client::setBufferLastSeenMsg(prevBufferId, msgId);
  84     if(autoSetMarkerLine())
  85       Client::setBufferMarkerLine(prevBufferId, msgId);
  86   }
  87
  88   if(!bufferId.isValid()) {
  89     _currentBuffer = 0;
  90     showChatView(0);
  91     return;
  92   }
  93
  94   if(!_chatViews.contains(bufferId))
  95     _chatViews[bufferId] = createChatView(bufferId);
  96
  97   _currentBuffer = bufferId;
  98   showChatView(bufferId);
  99   Client::networkModel()->clearBufferActivity(bufferId);
 100   Client::setBufferLastSeenMsg(bufferId, _chatViews[bufferId]->lastMsgId());
 101   Client::backlogManager()->checkForBacklog(bufferId);
 102   setFocus();
 103 }