src/uisupport/abstractbuffercontainer.cpp

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   2  *   Copyright (C) 2005-2010 by the Quassel Project                        *
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  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::rowsInserted(const QModelIndex &parent, int start, int end) {
  70   Q_UNUSED(end)
  71
  72   if(currentBuffer().isValid())
  73     return;
  74
  75   // we want to make sure the very first valid buffer is selected
  76   QModelIndex index = model()->index(start, 0, parent);
  77   if(index.isValid()) {
  78     BufferId id = index.data(NetworkModel::BufferIdRole).value<BufferId>();
  79     if(id.isValid())
  80       setCurrentBuffer(id);
  81   }
  82 }
  83
  84 void AbstractBufferContainer::currentChanged(const QModelIndex &current, const QModelIndex &previous) {
  85   Q_UNUSED(previous)
  86
  87   BufferId newBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
  88   if(newBufferId.isValid() && currentBuffer() != newBufferId) {
  89     setCurrentBuffer(newBufferId);
  90     emit currentChanged(newBufferId);
  91     emit currentChanged(current);
  92   }
  93 }
  94
  95 void AbstractBufferContainer::setCurrentBuffer(BufferId bufferId) {
  96   BufferId prevBufferId = currentBuffer();
  97   if(prevBufferId.isValid() && _chatViews.contains(prevBufferId)) {
  98     MsgId msgId = _chatViews.value(prevBufferId)->lastMsgId();
  99     Client::setBufferLastSeenMsg(prevBufferId, msgId);
 100     if(autoSetMarkerLine())
 101       Client::setBufferMarkerLine(prevBufferId, msgId);
 102   }
 103
 104   if(!bufferId.isValid()) {
 105     _currentBuffer = 0;
 106     showChatView(0);
 107     return;
 108   }
 109
 110   if(!_chatViews.contains(bufferId))
 111     _chatViews[bufferId] = createChatView(bufferId);
 112
 113   _currentBuffer = bufferId;
 114   showChatView(bufferId);
 115   Client::networkModel()->clearBufferActivity(bufferId);
 116   Client::setBufferLastSeenMsg(bufferId, _chatViews[bufferId]->lastMsgId());
 117   Client::backlogManager()->checkForBacklog(bufferId);
 118   setFocus();
 119 }