src/client/transfermodel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2019 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 int TransferModel::rowCount(const QModelIndex& index) const
  32 {
  33     return index.isValid() ? 0 : _transferIds.size();
  34 }
  35
  36 int TransferModel::columnCount(const QModelIndex& index) const
  37 {
  38     return index.isValid() ? 0 : colCount;
  39 }
  40
  41 QVariant TransferModel::headerData(int section, Qt::Orientation orientation, int role) const
  42 {
  43     static std::array<QString, colCount> headers = {
  44         {tr("Type"), tr("File"), tr("Status"), tr("Progress"), tr("Transferred"), tr("Speed"), tr("Peer"), tr("Peer Address")}};
  45
  46     if (section < 0 || section >= columnCount() || orientation != Qt::Horizontal)
  47         return {};
  48
  49     switch (role) {
  50     case Qt::DisplayRole:
  51         return headers[section];
  52
  53     default:
  54         return {};
  55     }
  56 }
  57
  58 QVariant TransferModel::data(const QModelIndex& index, int role) const
  59 {
  60     if (!_manager)
  61         return {};
  62     if (index.column() < 0 || index.column() >= columnCount() || index.row() < 0 || index.row() >= rowCount())
  63         return {};
  64
  65     auto t = _manager->transfer(_transferIds.at(index.row()));
  66     if (!t) {
  67         qWarning() << "Invalid transfer ID stored in TransferModel!";
  68         return {};
  69     }
  70
  71     switch (role) {
  72     case Qt::DisplayRole:
  73         switch (index.column()) {
  74         case 0:  // Type
  75             return t->direction() == Transfer::Direction::Send ? tr("Send") : tr("Receive");
  76         case 1:  // File
  77             return t->fileName();
  78         case 2:  // Status
  79             return t->prettyStatus();
  80         case 3:  // Progress
  81             return (t->transferred() / t->fileSize()) * 100;
  82         case 4:                       // Transferred
  83             return t->transferred();  // TODO: use pretty units and show total
  84         case 5:                       // Speed
  85             return "n/a";             // TODO: fixme
  86         case 6:                       // Peer
  87             return t->nick();
  88         case 7:  // Peer Address
  89             return QString("%1.%2").arg(t->address().toString(), t->port());
  90         }
  91         break;
  92
  93     default:
  94         return {};
  95     }
  96
  97     return {};
  98 }
  99
 100 void TransferModel::setManager(const TransferManager* manager)
 101 {
 102     if (_manager) {
 103         disconnect(_manager, nullptr, this, nullptr);
 104         beginResetModel();
 105         _transferIds.clear();
 106         endResetModel();
 107     }
 108
 109     _manager = manager;
 110     if (_manager) {
 111         connect(manager, &TransferManager::transferAdded, this, &TransferModel::onTransferAdded);
 112         connect(manager, &TransferManager::transferRemoved, this, &TransferModel::onTransferRemoved);
 113         for (auto&& transferId : _manager->transferIds()) {
 114             onTransferAdded(transferId);
 115         }
 116     }
 117 }
 118
 119 void TransferModel::onTransferAdded(const QUuid& transferId)
 120 {
 121     auto transfer = _manager->transfer(transferId);
 122     if (!transfer) {
 123         qWarning() << "Invalid transfer ID!";
 124         return;
 125     }
 126
 127     // TODO Qt5: use new connection syntax to make things much less complicated
 128     connect(transfer, &Transfer::statusChanged, this, &TransferModel::onTransferDataChanged);
 129     connect(transfer, &Transfer::directionChanged, this, &TransferModel::onTransferDataChanged);
 130     connect(transfer, &Transfer::addressChanged, this, &TransferModel::onTransferDataChanged);
 131     connect(transfer, &Transfer::portChanged, this, &TransferModel::onTransferDataChanged);
 132     connect(transfer, &Transfer::fileNameChanged, this, &TransferModel::onTransferDataChanged);
 133     connect(transfer, &Transfer::fileSizeChanged, this, &TransferModel::onTransferDataChanged);
 134     connect(transfer, &Transfer::transferredChanged, this, &TransferModel::onTransferDataChanged);
 135     connect(transfer, &Transfer::nickChanged, this, &TransferModel::onTransferDataChanged);
 136
 137     beginInsertRows({}, rowCount(), rowCount());
 138     _transferIds.append(transferId);
 139     endInsertRows();
 140 }
 141
 142 void TransferModel::onTransferRemoved(const QUuid& transferId)
 143 {
 144     // Check if the transfer object still exists, which means we still should disconnect
 145     auto transfer = _manager->transfer(transferId);
 146     if (transfer)
 147         disconnect(transfer, nullptr, this, nullptr);
 148
 149     for (auto row = 0; row < _transferIds.size(); ++row) {
 150         if (_transferIds[row] == transferId) {
 151             beginRemoveRows(QModelIndex(), row, row);
 152             _transferIds.remove(row);
 153             endRemoveRows();
 154             break;
 155         }
 156     }
 157 }
 158
 159 void TransferModel::onTransferDataChanged()
 160 {
 161     auto transfer = qobject_cast<Transfer*>(sender());
 162     if (!transfer)
 163         return;
 164
 165     const auto& transferId = transfer->uuid();
 166     for (auto row = 0; row < _transferIds.size(); ++row) {
 167         if (_transferIds[row] == transferId) {
 168             // TODO Qt5: use proper column
 169             auto topLeft = createIndex(row, 0);
 170             auto bottomRight = createIndex(row, columnCount());
 171             emit dataChanged(topLeft, bottomRight);
 172             break;
 173         }
 174     }
 175 }