183 lines
5.0 KiB
C++
183 lines
5.0 KiB
C++
/*
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* Kaidan - A user-friendly XMPP client for every device!
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*
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* Copyright (C) 2016-2021 Kaidan developers and contributors
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* (see the LICENSE file for a full list of copyright authors)
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*
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* Kaidan 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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* In addition, as a special exception, the author of Kaidan gives
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* permission to link the code of its release with the OpenSSL
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* project's "OpenSSL" library (or with modified versions of it that
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* use the same license as the "OpenSSL" library), and distribute the
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* linked executables. You must obey the GNU General Public License in
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* all respects for all of the code used other than "OpenSSL". If you
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* modify this file, you may extend this exception to your version of
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* the file, but you are not obligated to do so. If you do not wish to
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* do so, delete this exception statement from your version.
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*
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* Kaidan 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 Kaidan. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "CameraModel.h"
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CameraInfo::CameraInfo(const QString &deviceName)
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: QCameraInfo(deviceName.toLocal8Bit())
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{
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}
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CameraInfo::CameraInfo(const QCameraInfo &other)
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: QCameraInfo(other)
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{
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}
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CameraModel::CameraModel(QObject *parent)
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: QAbstractListModel(parent)
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{
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refresh();
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}
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int CameraModel::rowCount(const QModelIndex &parent) const
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{
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return parent == QModelIndex() ? m_cameras.count() : 0;
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}
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QVariant CameraModel::data(const QModelIndex &index, int role) const
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{
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if (hasIndex(index.row(), index.column(), index.parent())) {
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const auto &cameraInfo(m_cameras[index.row()]);
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switch (role) {
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case CameraModel::CustomRoles::IsNullRole:
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return cameraInfo.isNull();
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case CameraModel::CustomRoles::DeviceNameRole:
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return cameraInfo.deviceName();
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case CameraModel::CustomRoles::DescriptionRole:
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return cameraInfo.description();
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case CameraModel::CustomRoles::PositionRole:
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return cameraInfo.position();
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case CameraModel::CustomRoles::OrientationRole:
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return cameraInfo.orientation();
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case CameraModel::CustomRoles::CameraInfoRole:
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return QVariant::fromValue(CameraInfo(cameraInfo));
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}
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}
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return QVariant();
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}
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QHash<int, QByteArray> CameraModel::roleNames() const
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{
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static const QHash<int, QByteArray> roles {
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{ IsNullRole, QByteArrayLiteral("isNull") },
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{ DeviceNameRole, QByteArrayLiteral("deviceName") },
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{ DescriptionRole, QByteArrayLiteral("description") },
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{ PositionRole, QByteArrayLiteral("position") },
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{ OrientationRole, QByteArrayLiteral("orientation") },
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{ CameraInfoRole, QByteArrayLiteral("cameraInfo") }
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};
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return roles;
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}
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QList<QCameraInfo> CameraModel::cameras() const
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{
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return m_cameras;
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}
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CameraInfo CameraModel::defaultCamera()
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{
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return CameraInfo(QCameraInfo::defaultCamera());
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}
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int CameraModel::currentIndex() const
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{
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return m_currentIndex;
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}
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void CameraModel::setCurrentIndex(int currentIndex)
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{
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if (currentIndex < 0 || currentIndex >= m_cameras.count()
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|| m_currentIndex == currentIndex) {
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return;
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}
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m_currentIndex = currentIndex;
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emit currentIndexChanged();
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}
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CameraInfo CameraModel::currentCamera() const
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{
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return m_currentIndex >= 0 && m_currentIndex < m_cameras.count()
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? CameraInfo(m_cameras[m_currentIndex])
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: CameraInfo();
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}
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void CameraModel::setCurrentCamera(const CameraInfo ¤tCamera)
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{
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setCurrentIndex(m_cameras.indexOf(currentCamera));
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}
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CameraInfo CameraModel::camera(int row) const
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{
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return hasIndex(row, 0)
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? CameraInfo(m_cameras[row])
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: CameraInfo();
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}
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int CameraModel::indexOf(const QString &deviceName) const
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{
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for (int i = 0; i < m_cameras.count(); ++i) {
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const auto &camera(m_cameras[i]);
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if (camera.deviceName() == deviceName) {
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return i;
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}
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}
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return -1;
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}
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CameraInfo CameraModel::camera(const QString &deviceName)
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{
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return CameraInfo(deviceName);
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}
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CameraInfo CameraModel::camera(QCamera::Position position)
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{
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const auto cameras = QCameraInfo::availableCameras(position);
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return cameras.isEmpty() ? CameraInfo() : CameraInfo(cameras.first());
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}
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void CameraModel::refresh()
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{
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const auto cameras = QCameraInfo::availableCameras();
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if (m_cameras == cameras) {
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return;
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}
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beginResetModel();
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const QString currentDeviceName = currentCamera().deviceName();
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const auto it = std::find_if(m_cameras.constBegin(), m_cameras.constEnd(),
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[¤tDeviceName](const QCameraInfo &deviceInfo) {
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return deviceInfo.deviceName() == currentDeviceName;
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});
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m_cameras = cameras;
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m_currentIndex = it == m_cameras.constEnd() ? -1 : it - m_cameras.constBegin();
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endResetModel();
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emit camerasChanged();
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emit currentIndexChanged();
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}
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