+/***************************************************************************
+ * Copyright (C) 2005-2016 by the Quassel Project *
+ * devel@quassel-irc.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) version 3. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ***************************************************************************/
+
+#include "transfermodel.h"
+
+#include <array>
+
+#include "transfermanager.h"
+
+namespace {
+ constexpr int colCount{8};
+}
+
+
+int TransferModel::rowCount(const QModelIndex& index) const
+{
+ return index.isValid() ? 0 : _transferIds.size();
+}
+
+
+int TransferModel::columnCount(const QModelIndex& index) const
+{
+ return index.isValid() ? 0 : colCount;
+}
+
+
+QVariant TransferModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+ static std::array<QString, colCount> headers = {{
+ tr("Type"), tr("File"), tr("Status"), tr("Progress"), tr("Transferred"), tr("Speed"), tr("Peer"), tr("Peer Address")
+ }};
+
+ if (section < 0 || section >= columnCount() || orientation != Qt::Horizontal)
+ return {};
+
+ switch (role) {
+ case Qt::DisplayRole:
+ return headers[section];
+
+ default:
+ return {};
+ }
+}
+
+
+QVariant TransferModel::data(const QModelIndex& index, int role) const
+{
+ if (!_manager)
+ return {};
+ if (index.column() < 0 || index.column() >= columnCount() || index.row() < 0 || index.row() >= rowCount())
+ return {};
+
+ auto t = _manager->transfer(_transferIds.at(index.row()));
+ if (!t) {
+ qWarning() << "Invalid transfer ID stored in TransferModel!";
+ return {};
+ }
+
+ switch (role) {
+ case Qt::DisplayRole:
+ switch (index.column()) {
+ case 0: // Type
+ return t->direction() == Transfer::Direction::Send ? tr("Send") : tr("Receive");
+ case 1: // File
+ return t->fileName();
+ case 2: // Status
+ return t->prettyStatus();
+ case 3: // Progress
+ return (t->transferred() / t->fileSize()) * 100;
+ case 4: // Transferred
+ return t->transferred(); // TODO: use pretty units and show total
+ case 5: // Speed
+ return "n/a"; // TODO: fixme
+ case 6: // Peer
+ return t->nick();
+ case 7: // Peer Address
+ return QString("%1.%2").arg(t->address().toString(), t->port());
+ }
+ break;
+
+ default:
+ return {};
+ }
+
+ return {};
+}
+
+
+void TransferModel::setManager(const TransferManager *manager)
+{
+ if (_manager) {
+ disconnect(_manager, 0, this, 0);
+ beginResetModel();
+ _transferIds.clear();
+ endResetModel();
+ }
+
+ _manager = manager;
+ connect(manager, SIGNAL(transferAdded(QUuid)), SLOT(onTransferAdded(QUuid)));
+ connect(manager, SIGNAL(transferRemoved(QUuid)), SLOT(onTransferRemoved(QUuid)));
+}
+
+
+void TransferModel::onTransferAdded(const QUuid &transferId)
+{
+ auto transfer = _manager->transfer(transferId);
+ if (!transfer) {
+ qWarning() << "Invalid transfer ID!";
+ return;
+ }
+
+ // TODO Qt5: use new connection syntax to make things much less complicated
+ connect(transfer, SIGNAL(statusChanged(Transfer::Status)), SLOT(onTransferDataChanged()));
+ connect(transfer, SIGNAL(directionChanged(Transfer::Direction)), SLOT(onTransferDataChanged()));
+ connect(transfer, SIGNAL(addressChanged(QHostAddress)), SLOT(onTransferDataChanged()));
+ connect(transfer, SIGNAL(portChanged(quint16)), SLOT(onTransferDataChanged()));
+ connect(transfer, SIGNAL(fileNameChanged(QString)), SLOT(onTransferDataChanged()));
+ connect(transfer, SIGNAL(fileSizeChanged(quint64)), SLOT(onTransferDataChanged()));
+ connect(transfer, SIGNAL(transferredChanged(quint64)), SLOT(onTransferDataChanged()));
+ connect(transfer, SIGNAL(nickChanged(QString)), SLOT(onTransferDataChanged()));
+
+ beginInsertRows({}, rowCount(), rowCount());
+ _transferIds.append(transferId);
+ endInsertRows();
+}
+
+
+void TransferModel::onTransferRemoved(const QUuid &transferId)
+{
+ // Check if the transfer object still exists, which means we still should disconnect
+ auto transfer = _manager->transfer(transferId);
+ if (transfer)
+ disconnect(transfer, 0, this, 0);
+
+ for (auto row = 0; row < _transferIds.size(); ++row) {
+ if (_transferIds[row] == transferId) {
+ beginRemoveRows(QModelIndex(), row, row);
+ _transferIds.remove(row);
+ endRemoveRows();
+ break;
+ }
+ }
+}
+
+
+void TransferModel::onTransferDataChanged()
+{
+ auto transfer = qobject_cast<Transfer *>(sender());
+ if (!transfer)
+ return;
+
+ const auto& transferId = transfer->uuid();
+ for (auto row = 0; row < _transferIds.size(); ++row) {
+ if (_transferIds[row] == transferId) {
+ // TODO Qt5: use proper column
+ auto topLeft = createIndex(row, 0);
+ auto bottomRight = createIndex(row, columnCount());
+ emit dataChanged(topLeft, bottomRight);
+ break;
+ }
+ }
+}