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0001 /* 0002 Copyright (C) 2011 Harald Sitter <sitter@kde.org> 0003 0004 This library is free software; you can redistribute it and/or 0005 modify it under the terms of the GNU Lesser General Public 0006 License as published by the Free Software Foundation; either 0007 version 2.1 of the License, or (at your option) version 3, or any 0008 later version accepted by the membership of KDE e.V. (or its 0009 successor approved by the membership of KDE e.V.), Nokia Corporation 0010 (or its successors, if any) and the KDE Free Qt Foundation, which shall 0011 act as a proxy defined in Section 6 of version 3 of the license. 0012 0013 This library is distributed in the hope that it will be useful, 0014 but WITHOUT ANY WARRANTY; without even the implied warranty of 0015 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0016 Lesser General Public License for more details. 0017 0018 You should have received a copy of the GNU Lesser General Public 0019 License along with this library. If not, see <http://www.gnu.org/licenses/>. 0020 */ 0021 0022 /**************************************************************************** 0023 ** 0024 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 0025 ** All rights reserved. 0026 ** Contact: Nokia Corporation (qt-info@nokia.com) 0027 ** 0028 ** This file is part of the Qt Designer of the Qt Toolkit. 0029 ** 0030 ** $QT_BEGIN_LICENSE:LGPL$ 0031 ** Commercial Usage 0032 ** Licensees holding valid Qt Commercial licenses may use this file in 0033 ** accordance with the Qt Commercial License Agreement provided with the 0034 ** Software or, alternatively, in accordance with the terms contained in 0035 ** a written agreement between you and Nokia. 0036 ** 0037 ** GNU Lesser General Public License Usage 0038 ** Alternatively, this file may be used under the terms of the GNU Lesser 0039 ** General Public License version 2.1 as published by the Free Software 0040 ** Foundation and appearing in the file LICENSE.LGPL included in the 0041 ** packaging of this file. Please review the following information to 0042 ** ensure the GNU Lesser General Public License version 2.1 requirements 0043 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 0044 ** 0045 ** In addition, as a special exception, Nokia gives you certain additional 0046 ** rights. These rights are described in the Nokia Qt LGPL Exception 0047 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 0048 ** 0049 ** GNU General Public License Usage 0050 ** Alternatively, this file may be used under the terms of the GNU 0051 ** General Public License version 3.0 as published by the Free Software 0052 ** Foundation and appearing in the file LICENSE.GPL included in the 0053 ** packaging of this file. Please review the following information to 0054 ** ensure the GNU General Public License version 3.0 requirements will be 0055 ** met: http://www.gnu.org/copyleft/gpl.html. 0056 ** 0057 ** If you have questions regarding the use of this file, please contact 0058 ** Nokia at qt-info@nokia.com. 0059 ** $QT_END_LICENSE$ 0060 ** 0061 ****************************************************************************/ 0062 0063 #include "videoplayertaskmenu.h" 0064 0065 #include <QtDesigner/QDesignerFormWindowInterface> 0066 #include <QtDesigner/QDesignerFormWindowCursorInterface> 0067 #include <QtDesigner/QDesignerFormEditorInterface> 0068 #include <QtDesigner/QExtensionManager> 0069 0070 #include <phonon/backendcapabilities.h> 0071 #include <phonon/mediaobject.h> 0072 #include <phonon/videoplayer.h> 0073 0074 #include <QPlainTextEdit> 0075 #include <QDialogButtonBox> 0076 #include <QAction> 0077 #include <QVBoxLayout> 0078 #include <QFileDialog> 0079 #include <QMessageBox> 0080 0081 // ----------------- MimeTypeDialog: Display mime types in scrollable text 0082 0083 class MimeTypeDialog : public QDialog { 0084 Q_DISABLE_COPY(MimeTypeDialog) 0085 public: 0086 explicit MimeTypeDialog(QWidget *parent = nullptr); 0087 0088 void setMimeTypes(const QStringList &); 0089 0090 private: 0091 QPlainTextEdit *m_plainTextEdit; 0092 }; 0093 0094 MimeTypeDialog::MimeTypeDialog(QWidget *parent) : 0095 QDialog(parent), 0096 m_plainTextEdit(new QPlainTextEdit) 0097 { 0098 setModal(true); 0099 setWindowTitle(VideoPlayerTaskMenu::tr("Available Mime Types")); 0100 setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint); 0101 0102 QVBoxLayout *layout = new QVBoxLayout; 0103 m_plainTextEdit->setReadOnly(true); 0104 layout->addWidget(m_plainTextEdit); 0105 0106 QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok); 0107 connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept())); 0108 connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject())); 0109 layout->addWidget(buttonBox); 0110 0111 setLayout(layout); 0112 } 0113 0114 void MimeTypeDialog::setMimeTypes(const QStringList &l) 0115 { 0116 m_plainTextEdit->setPlainText(l.join(QString(1, QLatin1Char('\n')))); 0117 } 0118 0119 // ----------------- VideoPlayerTaskMenu 0120 VideoPlayerTaskMenu::VideoPlayerTaskMenu(Phonon::VideoPlayer *object, QObject *parent) : 0121 QObject(parent), 0122 m_widget(object), 0123 m_displayMimeTypesAction(new QAction(tr("Display supported mime types..."), this)), 0124 m_loadAction(new QAction(tr("Load..."), this)), 0125 m_playAction(new QAction(tr("Play"), this)), 0126 m_pauseAction(new QAction(tr("Pause"), this)), 0127 m_stopAction(new QAction(tr("Stop"), this)) 0128 { 0129 m_taskActions << m_displayMimeTypesAction << m_loadAction << m_playAction << m_pauseAction << m_stopAction; 0130 0131 connect(m_widget->mediaObject(), SIGNAL(stateChanged(Phonon::State,Phonon::State)), this, SLOT(mediaObjectStateChanged(Phonon::State,Phonon::State))); 0132 connect(m_displayMimeTypesAction, SIGNAL(triggered()), this, SLOT(slotMimeTypes())); 0133 connect(m_loadAction, SIGNAL(triggered()), this, SLOT(slotLoad())); 0134 connect(m_playAction, SIGNAL(triggered()), object, SLOT(play())); 0135 connect(m_pauseAction, SIGNAL(triggered()), object, SLOT(pause())); 0136 connect(m_stopAction, SIGNAL(triggered()), object, SLOT(stop())); 0137 } 0138 0139 QList<QAction*> VideoPlayerTaskMenu::taskActions() const 0140 { 0141 const bool isPlaying = m_widget->isPlaying(); 0142 const bool isPaused = m_widget->isPlaying(); 0143 m_loadAction->setEnabled(!isPlaying && !isPaused); 0144 m_playAction->setEnabled(!isPlaying); 0145 m_pauseAction->setEnabled(isPlaying); 0146 m_stopAction->setEnabled(isPlaying || isPaused); 0147 return m_taskActions; 0148 } 0149 0150 void VideoPlayerTaskMenu::slotMimeTypes() 0151 { 0152 MimeTypeDialog mimeTypeDialog(m_widget->window()); 0153 mimeTypeDialog.setMimeTypes(Phonon::BackendCapabilities::availableMimeTypes()); 0154 mimeTypeDialog.exec(); 0155 } 0156 0157 void VideoPlayerTaskMenu::slotLoad() 0158 { 0159 const QUrl fileName = QUrl::fromLocalFile(QFileDialog::getOpenFileName(m_widget->window(), tr("Choose Video Player Media Source"))); 0160 if (fileName.isEmpty()) 0161 return; 0162 m_widget->load(Phonon::MediaSource(fileName)); 0163 0164 } 0165 0166 void VideoPlayerTaskMenu::mediaObjectStateChanged(Phonon::State newstate, Phonon::State /* oldstate */) 0167 { 0168 if (newstate == Phonon::ErrorState) { 0169 const QString msg = tr("An error has occurred in '%1': %2").arg(m_widget->objectName(), m_widget->mediaObject()->errorString()); 0170 QMessageBox::warning(m_widget->window(), tr("Video Player Error"), msg); 0171 } 0172 } 0173 0174 // ----------------- VideoPlayerTaskMenuFactory 0175 VideoPlayerTaskMenuFactory::VideoPlayerTaskMenuFactory(QExtensionManager *parent) : 0176 QExtensionFactory(parent) 0177 { 0178 } 0179 0180 QObject *VideoPlayerTaskMenuFactory::createExtension(QObject *object, 0181 const QString &iid, QObject *parent) const 0182 { 0183 if (iid != Q_TYPEID(QDesignerTaskMenuExtension)) 0184 return nullptr; 0185 0186 if (Phonon::VideoPlayer *widget = qobject_cast<Phonon::VideoPlayer *>(object)) 0187 return new VideoPlayerTaskMenu(widget, parent); 0188 0189 return nullptr; 0190 }