2018-01-30 14:53:18 +01:00
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/* ============================================================
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* Falkon - Qt web browser
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* Copyright (C) 2018 David Rosca <nowrep@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ============================================================ */
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#include "tabmodel.h"
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#include "webtab.h"
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#include "tabwidget.h"
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#include "tabbedwebview.h"
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#include "browserwindow.h"
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2018-01-30 18:55:18 +01:00
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#include <QMimeData>
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2018-01-30 14:53:18 +01:00
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TabModel::TabModel(BrowserWindow *window, QObject *parent)
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: QAbstractListModel(parent)
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, m_window(window)
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{
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init();
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}
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2018-01-31 10:54:35 +01:00
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QModelIndex TabModel::tabIndex(WebTab *tab) const
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2018-01-30 14:53:18 +01:00
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{
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2018-01-31 10:54:35 +01:00
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const int idx = m_tabs.indexOf(tab);
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if (idx < 0) {
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return QModelIndex();
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}
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return index(idx);
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}
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WebTab *TabModel::tab(const QModelIndex &index) const
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{
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return m_tabs.value(index.row());
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2018-01-30 14:53:18 +01:00
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}
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int TabModel::rowCount(const QModelIndex &parent) const
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{
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if (parent.isValid()) {
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return 0;
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}
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2018-01-31 10:54:35 +01:00
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return m_tabs.count();
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2018-01-30 14:53:18 +01:00
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}
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2018-01-30 18:55:18 +01:00
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Qt::ItemFlags TabModel::flags(const QModelIndex &index) const
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{
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if (!index.isValid()) {
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return Qt::ItemIsDropEnabled;
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}
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return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
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}
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2018-01-30 14:53:18 +01:00
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QVariant TabModel::data(const QModelIndex &index, int role) const
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{
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if (index.row() < 0 || index.row() > m_tabs.count()) {
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2018-01-30 14:53:18 +01:00
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return QVariant();
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}
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2018-01-31 10:54:35 +01:00
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WebTab *t = tab(index);
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if (!t) {
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2018-01-30 14:53:18 +01:00
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return QVariant();
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}
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switch (role) {
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case WebTabRole:
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return QVariant::fromValue(t);
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2018-01-30 14:53:18 +01:00
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case TitleRole:
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case Qt::DisplayRole:
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return t->title();
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2018-01-30 14:53:18 +01:00
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case IconRole:
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case Qt::DecorationRole:
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return t->icon();
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2018-01-30 14:53:18 +01:00
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case PinnedRole:
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return t->isPinned();
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2018-01-30 14:53:18 +01:00
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case RestoredRole:
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return t->isRestored();
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2018-01-30 15:51:24 +01:00
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2018-01-31 11:45:47 +01:00
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case CurrentTabRole:
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return t->isCurrentTab();
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case LoadingRole:
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return t->isLoading();
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2018-01-30 14:53:18 +01:00
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default:
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return QVariant();
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}
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}
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2018-01-30 18:55:18 +01:00
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Qt::DropActions TabModel::supportedDropActions() const
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{
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return Qt::MoveAction;
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}
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#define MIMETYPE QStringLiteral("application/falkon.tabmodel.tab")
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QStringList TabModel::mimeTypes() const
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{
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return {MIMETYPE};
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}
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QMimeData *TabModel::mimeData(const QModelIndexList &indexes) const
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{
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QByteArray data;
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QDataStream stream(&data, QIODevice::WriteOnly);
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for (const QModelIndex &index : indexes) {
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if (index.isValid() && index.column() == 0) {
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stream << index.row();
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}
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}
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QMimeData *mimeData = new QMimeData();
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mimeData->setData(MIMETYPE, data);
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return mimeData;
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}
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bool TabModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent)
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{
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if (action == Qt::IgnoreAction) {
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return true;
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}
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if (!m_window || !data->hasFormat(MIMETYPE) || parent.isValid() || column != 0) {
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return false;
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}
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QByteArray encodedData = data->data(MIMETYPE);
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QDataStream stream(&encodedData, QIODevice::ReadOnly);
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QVector<WebTab*> tabs;
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while (!stream.atEnd()) {
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int idx;
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stream >> idx;
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WebTab *t = tab(index(idx));
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if (t) {
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tabs.append(t);
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2018-01-30 18:55:18 +01:00
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}
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}
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if (tabs.isEmpty()) {
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return false;
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}
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for (int i = 0; i < tabs.count(); ++i) {
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const int from = tabs.at(i)->tabIndex();
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const int to = row >= from ? row - 1 : row++;
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// FIXME: This switches order when moving > 2 non-contiguous indices
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m_window->tabWidget()->moveTab(from, to);
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}
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return true;
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}
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2018-01-30 14:53:18 +01:00
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void TabModel::init()
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{
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for (int i = 0; i < m_window->tabCount(); ++i) {
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tabInserted(i);
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}
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connect(m_window->tabWidget(), &TabWidget::tabInserted, this, &TabModel::tabInserted);
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connect(m_window->tabWidget(), &TabWidget::tabRemoved, this, &TabModel::tabRemoved);
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connect(m_window->tabWidget(), &TabWidget::tabMoved, this, &TabModel::tabMoved);
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2018-01-30 15:51:24 +01:00
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connect(m_window, &QObject::destroyed, this, [this]() {
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beginResetModel();
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m_window = nullptr;
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2018-01-31 10:54:35 +01:00
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m_tabs.clear();
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2018-01-30 15:51:24 +01:00
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endResetModel();
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});
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2018-01-30 14:53:18 +01:00
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}
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void TabModel::tabInserted(int index)
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{
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WebTab *tab = m_window->weView(index)->webTab();
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beginInsertRows(QModelIndex(), index, index);
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m_tabs.insert(index, tab);
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endInsertRows();
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auto emitDataChanged = [this](WebTab *tab, int role) {
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const QModelIndex idx = tabIndex(tab);
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emit dataChanged(idx, idx, {role});
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};
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connect(tab, &WebTab::titleChanged, this, std::bind(emitDataChanged, tab, Qt::DisplayRole));
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connect(tab, &WebTab::titleChanged, this, std::bind(emitDataChanged, tab, TitleRole));
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connect(tab, &WebTab::iconChanged, this, std::bind(emitDataChanged, tab, Qt::DecorationRole));
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connect(tab, &WebTab::iconChanged, this, std::bind(emitDataChanged, tab, IconRole));
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connect(tab, &WebTab::pinnedChanged, this, std::bind(emitDataChanged, tab, PinnedRole));
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connect(tab, &WebTab::restoredChanged, this, std::bind(emitDataChanged, tab, RestoredRole));
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2018-01-31 11:45:47 +01:00
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connect(tab, &WebTab::currentTabChanged, this, std::bind(emitDataChanged, tab, CurrentTabRole));
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connect(tab, &WebTab::loadingChanged, this, std::bind(emitDataChanged, tab, LoadingRole));
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2018-01-30 14:53:18 +01:00
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}
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void TabModel::tabRemoved(int index)
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{
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beginRemoveRows(QModelIndex(), index, index);
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m_tabs.remove(index);
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endRemoveRows();
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}
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void TabModel::tabMoved(int from, int to)
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{
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beginMoveRows(QModelIndex(), from, from, QModelIndex(), to > from ? to + 1 : to);
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m_tabs.insert(to, m_tabs.takeAt(from));
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endMoveRows();
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}
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