tools/designer/src/plugins/phononwidgets/videoplayertaskmenu.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/plugins/phononwidgets/videoplayertaskmenu.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,154 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "videoplayertaskmenu.h"
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerFormWindowCursorInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QExtensionManager>
+
+#include <phonon/videoplayer.h>
+#include <phonon/mediaobject.h>
+
+#include <QtGui/QPlainTextEdit>
+#include <QtGui/QDialogButtonBox>
+#include <QtGui/QAction>
+#include <QtGui/QVBoxLayout>
+#include <QtGui/QFileDialog>
+#include <QtGui/QMessageBox>
+
+QT_BEGIN_NAMESPACE
+
+// -----------------  MimeTypeDialog: Display mime types in scrollable text
+
+class MimeTypeDialog : public QDialog {
+    Q_DISABLE_COPY(MimeTypeDialog)
+public:
+    explicit MimeTypeDialog(QWidget *parent = 0);
+
+    void setMimeTypes(const QStringList &);
+
+private:
+    QPlainTextEdit *m_plainTextEdit;
+};
+
+MimeTypeDialog::MimeTypeDialog(QWidget *parent) :
+    QDialog(parent),
+    m_plainTextEdit(new QPlainTextEdit)
+{
+    setModal(true);
+    setWindowTitle(VideoPlayerTaskMenu::tr("Available Mime Types"));
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+    QVBoxLayout *layout = new QVBoxLayout;
+    m_plainTextEdit->setReadOnly(true);
+    layout->addWidget(m_plainTextEdit);
+
+    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
+    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+    layout->addWidget(buttonBox);
+
+    setLayout(layout);
+}
+
+void MimeTypeDialog::setMimeTypes(const QStringList &l)
+{
+    m_plainTextEdit->setPlainText(l.join(QString(1, QLatin1Char('\n'))));
+}
+
+// ----------------- VideoPlayerTaskMenu
+VideoPlayerTaskMenu::VideoPlayerTaskMenu(Phonon::VideoPlayer *object, QObject *parent) :
+    QObject(parent),
+    m_widget(object),
+    m_displayMimeTypesAction(new QAction(tr("Display supported mime types..."), this)),
+    m_loadAction(new QAction(tr("Load..."), this)),
+    m_playAction(new QAction(tr("Play"), this)),
+    m_pauseAction(new QAction(tr("Pause"), this)),
+    m_stopAction(new QAction(tr("Stop"), this))
+{
+    m_taskActions << m_displayMimeTypesAction << m_loadAction << m_playAction << m_pauseAction << m_stopAction;
+
+    connect(m_widget->mediaObject(), SIGNAL(stateChanged(Phonon::State,Phonon::State)), this, SLOT(mediaObjectStateChanged(Phonon::State,Phonon::State)));
+    connect(m_displayMimeTypesAction, SIGNAL(triggered()), this, SLOT(slotMimeTypes()));
+    connect(m_loadAction, SIGNAL(triggered()), this, SLOT(slotLoad()));
+    connect(m_playAction, SIGNAL(triggered()), object, SLOT(play()));
+    connect(m_pauseAction, SIGNAL(triggered()), object, SLOT(pause()));
+    connect(m_stopAction, SIGNAL(triggered()), object, SLOT(stop()));
+}
+
+QList<QAction*> VideoPlayerTaskMenu::taskActions() const
+{
+    const bool isPlaying = m_widget->isPlaying();
+    const bool isPaused = m_widget->isPlaying();
+    m_loadAction->setEnabled(!isPlaying && !isPaused);
+    m_playAction->setEnabled(!isPlaying);
+    m_pauseAction->setEnabled(isPlaying);
+    m_stopAction->setEnabled(isPlaying || isPaused);
+    return m_taskActions;
+}
+
+void VideoPlayerTaskMenu::slotMimeTypes()
+{
+    MimeTypeDialog mimeTypeDialog(m_widget->window());
+    mimeTypeDialog.setMimeTypes(Phonon::BackendCapabilities::availableMimeTypes());
+    mimeTypeDialog.exec();
+}
+
+void VideoPlayerTaskMenu::slotLoad()
+{
+    const QString fileName = QFileDialog::getOpenFileName(m_widget->window(), tr("Choose Video Player Media Source"));
+    if (fileName.isEmpty())
+        return;
+    m_widget->load(Phonon::MediaSource(fileName));
+
+}
+
+void VideoPlayerTaskMenu::mediaObjectStateChanged(Phonon::State newstate, Phonon::State /* oldstate */)
+{
+    if (newstate == Phonon::ErrorState) {
+        const QString msg = tr("An error has occurred in '%1': %2").arg(m_widget->objectName(), m_widget->mediaObject()->errorString());
+        QMessageBox::warning(m_widget->window(), tr("Video Player Error"), msg);
+    }
+}
+
+QT_END_NAMESPACE