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/****************************************************************************
**
** Copyright (C) 2019 Luxoft Sweden AB
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtIvi module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite licenses may use
** this file in accordance with the commercial license agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and The Qt Company. For
** licensing terms and conditions see https://www.qt.io/terms-conditions.
** For further information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/
#include "usbbrowsebackend.h"
#include <QDir>
#include <QtDebug>
static const QString fileLiteral = QStringLiteral("file");
UsbBrowseBackend::UsbBrowseBackend(const QString &path, QObject *parent)
: QIviSearchAndBrowseModelInterface(parent)
, m_rootFolder(path)
{
qRegisterMetaType<SearchAndBrowseItem>();
}
QStringList UsbBrowseBackend::availableContentTypes() const
{
return QStringList(fileLiteral);
}
void UsbBrowseBackend::initialize()
{
emit availableContentTypesChanged(QStringList(fileLiteral));
emit initializationDone();
}
void UsbBrowseBackend::registerInstance(const QUuid &identifier)
{
m_state.insert(identifier, {});
}
void UsbBrowseBackend::unregisterInstance(const QUuid &identifier)
{
m_state.remove(identifier);
}
void UsbBrowseBackend::setContentType(const QUuid &identifier, const QString &contentType)
{
auto &state = m_state[identifier];
state.contentType = contentType;
emit queryIdentifiersChanged(identifier, identifiersFromItem<SearchAndBrowseItem>());
emit canGoBackChanged(identifier, contentType != fileLiteral);
emit contentTypeChanged(identifier, contentType);
}
void UsbBrowseBackend::setupFilter(const QUuid &identifier, QIviAbstractQueryTerm *term, const QList<QIviOrderTerm> &orderTerms)
{
Q_UNUSED(identifier)
Q_UNUSED(term)
Q_UNUSED(orderTerms)
}
void UsbBrowseBackend::fetchData(const QUuid &identifier, int start, int count)
{
emit supportedCapabilitiesChanged(identifier, QtIviCoreModule::ModelCapabilities(
QtIviCoreModule::SupportsSorting |
QtIviCoreModule::SupportsStatelessNavigation |
QtIviCoreModule::SupportsGetSize
));
auto &state = m_state[identifier];
QVariantList list;
QString folder = m_rootFolder;
if (state.contentType != fileLiteral)
folder += QDir::separator() + state.contentType;
QDir dir(folder);
QFileInfoList infoList = dir.entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::NoSymLinks);
emit countChanged(identifier, infoList.count());
for (int i = start; i < infoList.count() && i < count; i++) {
SearchAndBrowseItem item;
item.setType(fileLiteral);
item.setName(infoList.at(i).fileName());
list.append(QVariant::fromValue(item));
}
emit dataFetched(identifier, list, start, list.count() >= count);
for (int i=0; i < list.count(); i++) {
if (start + i >= state.items.count())
state.items.append(list.at(i));
else
state.items.replace(start + i, list.at(i));
}
emit canGoForwardChanged(identifier, QVector<bool>(infoList.count(), true), 0);
}
QIviPendingReply<QString> UsbBrowseBackend::goBack(const QUuid &identifier)
{
auto &state = m_state[identifier];
QStringList types = state.contentType.split('/');
if (types.count() < 2 && state.contentType != fileLiteral)
return fileLiteral;
types.removeLast();
types.replace(types.count() - 1, types.at(types.count() - 1).split('?').at(0));
return QIviPendingReply<QString>(types.join('/'));
}
QIviPendingReply<QString> UsbBrowseBackend::goForward(const QUuid &identifier, int index)
{
auto &state = m_state[identifier];
const QIviStandardItem *i = qtivi_gadgetFromVariant<QIviStandardItem>(this, state.items.value(index, QVariant()));
if (!i)
return QIviPendingReply<QString>::createFailedReply();
if (state.contentType != fileLiteral)
return QIviPendingReply<QString>(state.contentType + "/" + i->id());
else
return QIviPendingReply<QString>(i->id());
}
QIviPendingReply<void> UsbBrowseBackend::insert(const QUuid &identifier, int index, const QVariant &item)
{
Q_UNUSED(identifier)
Q_UNUSED(index)
Q_UNUSED(item)
return QIviPendingReply<void>::createFailedReply();
}
QIviPendingReply<void> UsbBrowseBackend::remove(const QUuid &identifier, int index)
{
Q_UNUSED(identifier)
Q_UNUSED(index)
return QIviPendingReply<void>::createFailedReply();
}
QIviPendingReply<void> UsbBrowseBackend::move(const QUuid &identifier, int currentIndex, int newIndex)
{
Q_UNUSED(identifier)
Q_UNUSED(currentIndex)
Q_UNUSED(newIndex)
return QIviPendingReply<void>::createFailedReply();
}
QIviPendingReply<int> UsbBrowseBackend::indexOf(const QUuid &identifier, const QVariant &item)
{
Q_UNUSED(identifier)
Q_UNUSED(item)
return QIviPendingReply<int>::createFailedReply();
}
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