src/uisupport/abstractbuffercontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2019 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
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  20
  21 #include "abstractbuffercontainer.h"
  22
  23 #include "client.h"
  24 #include "clientbacklogmanager.h"
  25 #include "networkmodel.h"
  26
  27 AbstractBufferContainer::AbstractBufferContainer(QWidget* parent)
  28     : AbstractItemView(parent)
  29     , _currentBuffer(0)
  30 {}
  31
  32 void AbstractBufferContainer::rowsAboutToBeRemoved(const QModelIndex& parent, int start, int end)
  33 {
  34     Q_ASSERT(model());
  35     if (!parent.isValid()) {
  36         // ok this means that whole networks are about to be removed
  37         // we can't determine which buffers are affect, so we hope that all nets are removed
  38         // this is the most common case (for example disconnecting from the core or terminating the client)
  39         if (model()->rowCount(parent) != end - start + 1)
  40             return;
  41
  42         foreach (BufferId id, _chatViews.keys()) {
  43             removeChatView(id);
  44         }
  45         _chatViews.clear();
  46     }
  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 {
  62     if (!_chatViews.contains(bufferId))
  63         return;
  64
  65     removeChatView(bufferId);
  66     _chatViews.take(bufferId);
  67 }
  68
  69 /*
  70   Switching to first buffer is now handled in MainWin::clientNetworkUpdated()
  71
  72 void AbstractBufferContainer::rowsInserted(const QModelIndex &parent, int start, int end) {
  73   Q_UNUSED(end)
  74
  75   if(currentBuffer().isValid())
  76     return;
  77
  78   // we want to make sure the very first valid buffer is selected
  79   QModelIndex index = model()->index(start, 0, parent);
  80   if(index.isValid()) {
  81     BufferId id = index.data(NetworkModel::BufferIdRole).value<BufferId>();
  82     if(id.isValid())
  83       setCurrentBuffer(id);
  84   }
  85 }
  86 */
  87
  88 void AbstractBufferContainer::currentChanged(const QModelIndex& current, const QModelIndex& previous)
  89 {
  90     Q_UNUSED(previous)
  91
  92     BufferId newBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
  93     // To be able to reset the selected buffer, we don't check if buffer/index is valid here
  94     if (currentBuffer() != newBufferId) {
  95         setCurrentBuffer(newBufferId);
  96         emit currentChanged(newBufferId);
  97         emit currentChanged(current);
  98     }
  99 }
 100
 101 void AbstractBufferContainer::setCurrentBuffer(BufferId bufferId)
 102 {
 103     BufferId prevBufferId = currentBuffer();
 104     if (prevBufferId.isValid() && _chatViews.contains(prevBufferId)) {
 105         MsgId msgId = _chatViews.value(prevBufferId)->lastMsgId();
 106         Client::setBufferLastSeenMsg(prevBufferId, msgId);
 107     }
 108
 109     if (!bufferId.isValid()) {
 110         _currentBuffer = 0;
 111         showChatView(0);
 112         return;
 113     }
 114
 115     if (!_chatViews.contains(bufferId))
 116         _chatViews[bufferId] = createChatView(bufferId);
 117
 118     _currentBuffer = bufferId;
 119     showChatView(bufferId);
 120     Client::networkModel()->clearBufferActivity(bufferId);
 121     Client::setBufferLastSeenMsg(bufferId, _chatViews[bufferId]->lastMsgId());
 122     Client::backlogManager()->checkForBacklog(bufferId);
 123     setFocus();
 124 }