src/client/transfermodel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2016 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,       *
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  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
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  20
  21 #include "transfermodel.h"
  22
  23 #include <array>
  24
  25 #include "transfermanager.h"
  26
  27 namespace {
  28     constexpr int colCount{8};
  29 }
  30
  31
  32 int TransferModel::rowCount(const QModelIndex& index) const
  33 {
  34     return index.isValid() ? 0 : _transferIds.size();
  35 }
  36
  37
  38 int TransferModel::columnCount(const QModelIndex& index) const
  39 {
  40     return index.isValid() ? 0 : colCount;
  41 }
  42
  43
  44 QVariant TransferModel::headerData(int section, Qt::Orientation orientation, int role) const
  45 {
  46     static std::array<QString, colCount> headers = {{
  47         tr("Type"), tr("File"), tr("Status"), tr("Progress"), tr("Transferred"), tr("Speed"), tr("Peer"), tr("Peer Address")
  48     }};
  49
  50     if (section < 0 || section >= columnCount() || orientation != Qt::Horizontal)
  51         return {};
  52
  53     switch (role) {
  54     case Qt::DisplayRole:
  55         return headers[section];
  56
  57     default:
  58         return {};
  59     }
  60 }
  61
  62
  63 QVariant TransferModel::data(const QModelIndex& index, int role) const
  64 {
  65     if (!_manager)
  66         return {};
  67     if (index.column() < 0 || index.column() >= columnCount() || index.row() < 0 || index.row() >= rowCount())
  68         return {};
  69
  70     auto t = _manager->transfer(_transferIds.at(index.row()));
  71     if (!t) {
  72         qWarning() << "Invalid transfer ID stored in TransferModel!";
  73         return {};
  74     }
  75
  76     switch (role) {
  77     case Qt::DisplayRole:
  78         switch (index.column()) {
  79         case 0: // Type
  80             return t->direction() == Transfer::Direction::Send ? tr("Send") : tr("Receive");
  81         case 1: // File
  82             return t->fileName();
  83         case 2: // Status
  84             return t->prettyStatus();
  85         case 3: // Progress
  86             return (t->transferred() / t->fileSize()) * 100;
  87         case 4: // Transferred
  88             return t->transferred(); // TODO: use pretty units and show total
  89         case 5: // Speed
  90             return "n/a"; // TODO: fixme
  91         case 6: // Peer
  92             return t->nick();
  93         case 7: // Peer Address
  94             return QString("%1.%2").arg(t->address().toString(), t->port());
  95         }
  96         break;
  97
  98     default:
  99         return {};
 100     }
 101
 102     return {};
 103 }
 104
 105
 106 void TransferModel::setManager(const TransferManager *manager)
 107 {
 108     if (_manager) {
 109         disconnect(_manager, 0, this, 0);
 110         beginResetModel();
 111         _transferIds.clear();
 112         endResetModel();
 113     }
 114
 115     _manager = manager;
 116     if (_manager) {
 117         connect(manager, SIGNAL(transferAdded(QUuid)), SLOT(onTransferAdded(QUuid)));
 118         connect(manager, SIGNAL(transferRemoved(QUuid)), SLOT(onTransferRemoved(QUuid)));
 119         for (auto &&transferId : _manager->transferIds()) {
 120             onTransferAdded(transferId);
 121         }
 122     }
 123 }
 124
 125
 126 void TransferModel::onTransferAdded(const QUuid &transferId)
 127 {
 128     auto transfer = _manager->transfer(transferId);
 129     if (!transfer) {
 130         qWarning() << "Invalid transfer ID!";
 131         return;
 132     }
 133
 134     // TODO Qt5: use new connection syntax to make things much less complicated
 135     connect(transfer, SIGNAL(statusChanged(Transfer::Status)), SLOT(onTransferDataChanged()));
 136     connect(transfer, SIGNAL(directionChanged(Transfer::Direction)), SLOT(onTransferDataChanged()));
 137     connect(transfer, SIGNAL(addressChanged(QHostAddress)), SLOT(onTransferDataChanged()));
 138     connect(transfer, SIGNAL(portChanged(quint16)), SLOT(onTransferDataChanged()));
 139     connect(transfer, SIGNAL(fileNameChanged(QString)), SLOT(onTransferDataChanged()));
 140     connect(transfer, SIGNAL(fileSizeChanged(quint64)), SLOT(onTransferDataChanged()));
 141     connect(transfer, SIGNAL(transferredChanged(quint64)), SLOT(onTransferDataChanged()));
 142     connect(transfer, SIGNAL(nickChanged(QString)), SLOT(onTransferDataChanged()));
 143
 144     beginInsertRows({}, rowCount(), rowCount());
 145     _transferIds.append(transferId);
 146     endInsertRows();
 147 }
 148
 149
 150 void TransferModel::onTransferRemoved(const QUuid &transferId)
 151 {
 152     // Check if the transfer object still exists, which means we still should disconnect
 153     auto transfer = _manager->transfer(transferId);
 154     if (transfer)
 155         disconnect(transfer, 0, this, 0);
 156
 157     for (auto row = 0; row < _transferIds.size(); ++row) {
 158         if (_transferIds[row] == transferId) {
 159             beginRemoveRows(QModelIndex(), row, row);
 160             _transferIds.remove(row);
 161             endRemoveRows();
 162             break;
 163         }
 164     }
 165 }
 166
 167
 168 void TransferModel::onTransferDataChanged()
 169 {
 170     auto transfer = qobject_cast<Transfer *>(sender());
 171     if (!transfer)
 172         return;
 173
 174     const auto& transferId = transfer->uuid();
 175     for (auto row = 0; row < _transferIds.size(); ++row) {
 176         if (_transferIds[row] == transferId) {
 177             // TODO Qt5: use proper column
 178             auto topLeft = createIndex(row, 0);
 179             auto bottomRight = createIndex(row, columnCount());
 180             emit dataChanged(topLeft, bottomRight);
 181             break;
 182         }
 183     }
 184 }