src/uisupport/abstractbuffercontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel IRC Team                         *
   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  *                                                                         *
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  19  ***************************************************************************/
  20
  21 #include "abstractbuffercontainer.h"
  22 #include "client.h"
  23 #include "networkmodel.h"
  24
  25 AbstractBufferContainer::AbstractBufferContainer(QWidget *parent)
  26   : AbstractItemView(parent),
  27     _currentBuffer(0)
  28 {
  29 }
  30
  31 AbstractBufferContainer::~AbstractBufferContainer() {
  32 }
  33
  34 void AbstractBufferContainer::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end) {
  35   Q_ASSERT(model());
  36   if(!parent.isValid()) {
  37     // ok this means that whole networks are about to be removed
  38     // we can't determine which buffers are affect, so we hope that all nets are removed
  39     // this is the most common case (for example disconnecting from the core or terminating the client)
  40     if(model()->rowCount(parent) != end - start + 1)
  41       return;
  42
  43     foreach(BufferId id, _chatViews.keys()) {
  44       removeChatView(id);
  45     }
  46     _chatViews.clear();
  47   } else {
  48     // check if there are explicitly buffers removed
  49     for(int i = start; i <= end; i++) {
  50       QVariant variant = parent.child(i,0).data(NetworkModel::BufferIdRole);
  51       if(!variant.isValid())
  52         continue;
  53
  54       BufferId bufferId = variant.value<BufferId>();
  55       removeBuffer(bufferId);
  56     }
  57   }
  58 }
  59
  60 void AbstractBufferContainer::removeBuffer(BufferId bufferId) {
  61   if(!_chatViews.contains(bufferId))
  62     return;
  63
  64   removeChatView(bufferId);
  65   _chatViews.take(bufferId);
  66 }
  67
  68 void AbstractBufferContainer::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
  69   BufferId newBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
  70   BufferId oldBufferId = previous.data(NetworkModel::BufferIdRole).value<BufferId>();
  71   if(newBufferId != oldBufferId) {
  72     setCurrentBuffer(newBufferId);
  73     emit currentChanged(newBufferId);
  74   }
  75 }
  76
  77 void AbstractBufferContainer::setCurrentBuffer(BufferId bufferId) {
  78   BufferId prevBufferId = currentBuffer();
  79   if(prevBufferId.isValid() && _chatViews.contains(prevBufferId)) {
  80     Client::setBufferLastSeenMsg(prevBufferId, _chatViews[prevBufferId]->lastMsgId());
  81   }
  82
  83   if(!bufferId.isValid()) {
  84     _currentBuffer = 0;
  85     showChatView(0);
  86     return;
  87   }
  88
  89   if(!_chatViews.contains(bufferId))
  90     _chatViews[bufferId] = createChatView(bufferId);
  91
  92   _currentBuffer = bufferId;
  93   showChatView(bufferId);
  94   Client::networkModel()->setBufferActivity(bufferId, BufferInfo::NoActivity);
  95   Client::setBufferLastSeenMsg(bufferId, _chatViews[bufferId]->lastMsgId());
  96   setFocus();
  97 }