src/uisupport/abstractbuffercontainer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2022 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         // Make sure model is valid first
  50         if (!parent.model()) {
  51             return;
  52         }
  53         for (int i = start; i <= end; i++) {
  54             QVariant variant = parent.model()->index(i, 0, parent).data(NetworkModel::BufferIdRole);
  55             if (!variant.isValid())
  56                 continue;
  57
  58             BufferId bufferId = variant.value<BufferId>();
  59             removeBuffer(bufferId);
  60         }
  61     }
  62 }
  63
  64 void AbstractBufferContainer::removeBuffer(BufferId bufferId)
  65 {
  66     if (!_chatViews.contains(bufferId))
  67         return;
  68
  69     removeChatView(bufferId);
  70     _chatViews.take(bufferId);
  71 }
  72
  73 /*
  74   Switching to first buffer is now handled in MainWin::clientNetworkUpdated()
  75
  76 void AbstractBufferContainer::rowsInserted(const QModelIndex &parent, int start, int end) {
  77   Q_UNUSED(end)
  78
  79   if(currentBuffer().isValid())
  80     return;
  81
  82   // we want to make sure the very first valid buffer is selected
  83   QModelIndex index = model()->index(start, 0, parent);
  84   if(index.isValid()) {
  85     BufferId id = index.data(NetworkModel::BufferIdRole).value<BufferId>();
  86     if(id.isValid())
  87       setCurrentBuffer(id);
  88   }
  89 }
  90 */
  91
  92 void AbstractBufferContainer::currentChanged(const QModelIndex& current, const QModelIndex& previous)
  93 {
  94     Q_UNUSED(previous)
  95
  96     BufferId newBufferId = current.data(NetworkModel::BufferIdRole).value<BufferId>();
  97     // To be able to reset the selected buffer, we don't check if buffer/index is valid here
  98     if (currentBuffer() != newBufferId) {
  99         setCurrentBuffer(newBufferId);
 100         emit currentChanged(newBufferId);
 101         emit currentChanged(current);
 102     }
 103 }
 104
 105 void AbstractBufferContainer::setCurrentBuffer(BufferId bufferId)
 106 {
 107     BufferId prevBufferId = currentBuffer();
 108     if (prevBufferId.isValid() && _chatViews.contains(prevBufferId)) {
 109         MsgId msgId = _chatViews.value(prevBufferId)->lastMsgId();
 110         Client::setBufferLastSeenMsg(prevBufferId, msgId);
 111     }
 112
 113     if (!bufferId.isValid()) {
 114         _currentBuffer = 0;
 115         showChatView(0);
 116         return;
 117     }
 118
 119     if (!_chatViews.contains(bufferId))
 120         _chatViews[bufferId] = createChatView(bufferId);
 121
 122     _currentBuffer = bufferId;
 123     showChatView(bufferId);
 124     Client::networkModel()->clearBufferActivity(bufferId);
 125     Client::setBufferLastSeenMsg(bufferId, _chatViews[bufferId]->lastMsgId());
 126     Client::backlogManager()->checkForBacklog(bufferId);
 127     setFocus();
 128 }