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 /*  This file is part of the KDE project
     Copyright (C) 2005-2007 Matthias Kretz <kretz@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
     License as published by the Free Software Foundation; either
     version 2.1 of the License, or (at your option) version 3, or any
     later version accepted by the membership of KDE e.V. (or its
     successor approved by the membership of KDE e.V.), Nokia Corporation
     (or its successors, if any) and the KDE Free Qt Foundation, which shall
     act as a proxy defined in Section 6 of version 3 of the license.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
 
     You should have received a copy of the GNU Lesser General Public
     License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
 #include "videowidget.h"
 #include "videowidget_p.h"
 #include "videowidgetinterface.h"
 #include "factory_p.h"
 #include "phonondefs_p.h"
 #include "phononnamespace_p.h"
 
 #include <QAction>
 #define IFACES4 VideoWidgetInterface44
 #define IFACES0 VideoWidgetInterface, IFACES4
 #define PHONON_INTERFACENAME IFACES0
 
 #ifndef QT_NO_PHONON_VIDEO
 
 namespace Phonon
 {
 
 VideoWidget::VideoWidget(QWidget *parent)
     : QWidget(parent)
     , Phonon::AbstractVideoOutput(*new VideoWidgetPrivate(this))
 {
     P_D(VideoWidget);
     d->init();
     d->createBackendObject();
     setMouseTracking(true);
 }
 
 
 
 VideoWidget::VideoWidget(VideoWidgetPrivate &dd, QWidget *parent)
     : QWidget(parent),
     Phonon::AbstractVideoOutput(dd)
 {
     P_D(VideoWidget);
     d->init();
 }
 
 void VideoWidgetPrivate::init()
 {
     P_Q(VideoWidget);
     changeFlags = q->windowFlags() & (Qt::SubWindow | Qt::Window);
 }
 
 void VideoWidget::mouseMoveEvent(QMouseEvent *e)
 {
     QWidget::mouseMoveEvent(e);
 }
 
 void VideoWidgetPrivate::createBackendObject()
 {
     if (m_backendObject)
         return;
     P_Q(VideoWidget);
     m_backendObject = Factory::createVideoWidget(q);
     if (m_backendObject) {
         setupBackendObject();
     }
 }
 
 #define PHONON_CLASSNAME VideoWidget
 
 PHONON_INTERFACE_GETTER(Phonon::VideoWidget::AspectRatio, aspectRatio, d->aspectRatio)
 PHONON_INTERFACE_SETTER(setAspectRatio, aspectRatio, Phonon::VideoWidget::AspectRatio)
 
 PHONON_INTERFACE_GETTER(Phonon::VideoWidget::ScaleMode, scaleMode, d->scaleMode)
 PHONON_INTERFACE_SETTER(setScaleMode, scaleMode, Phonon::VideoWidget::ScaleMode)
 
 PHONON_INTERFACE_GETTER(qreal, brightness, d->brightness)
 PHONON_INTERFACE_SETTER(setBrightness, brightness, qreal)
 
 PHONON_INTERFACE_GETTER(qreal, contrast, d->contrast)
 PHONON_INTERFACE_SETTER(setContrast, contrast, qreal)
 
 PHONON_INTERFACE_GETTER(qreal, hue, d->hue)
 PHONON_INTERFACE_SETTER(setHue, hue, qreal)
 
 PHONON_INTERFACE_GETTER(qreal, saturation, d->saturation)
 PHONON_INTERFACE_SETTER(setSaturation, saturation, qreal)
 
 
 QImage VideoWidget::snapshot() const {
     P_D(const VideoWidget);
     ConstIface<IFACES4> iface(d);
     if(iface) return iface->snapshot();
     return QImage(); // TODO not implemented in VideoInterface
 }
 
 
 void VideoWidget::setFullScreen(bool newFullScreen)
 {
     pDebug() << Q_FUNC_INFO << newFullScreen;
     P_D(VideoWidget);
     // TODO: disable screensaver? or should we leave that responsibility to the
     // application?
     Qt::WindowFlags flags = windowFlags();
     if (newFullScreen) {
         if (!isFullScreen()) {
             //we only update that value if it is not already fullscreen
             d->changeFlags = flags & (Qt::Window | Qt::SubWindow);
             flags |= Qt::Window;
             flags ^= Qt::SubWindow;
             setWindowFlags(flags);
 #ifdef Q_WS_X11
             // This works around a bug with Compiz
             // as the window must be visible before we can set the state
             show();
             raise();
             setWindowState( windowState() | Qt::WindowFullScreen ); // set
 #else
             setWindowState( windowState() | Qt::WindowFullScreen ); // set
             show();
 #endif
         }
     } else if (isFullScreen()) {
         flags ^= (Qt::Window | Qt::SubWindow); //clear the flags...
         flags |= d->changeFlags; //then we reset the flags (window and subwindow)
         setWindowFlags(flags);
         setWindowState( windowState()  ^ Qt::WindowFullScreen ); // reset
         show();
     }
 }
 
 void VideoWidget::exitFullScreen()
 {
     setFullScreen(false);
 }
 
 void VideoWidget::enterFullScreen()
 {
     setFullScreen(true);
 }
 
 bool VideoWidgetPrivate::aboutToDeleteBackendObject()
 {
     aspectRatio = pINTERFACE_CALL(aspectRatio());
     scaleMode = pINTERFACE_CALL(scaleMode());
     return AbstractVideoOutputPrivate::aboutToDeleteBackendObject();
 }
 
 void VideoWidgetPrivate::setupBackendObject()
 {
     P_Q(VideoWidget);
     Q_ASSERT(m_backendObject);
     //AbstractVideoOutputPrivate::setupBackendObject();
     pDebug() << "calling setAspectRatio on the backend " << aspectRatio;
     pINTERFACE_CALL(setAspectRatio(aspectRatio));
     pINTERFACE_CALL(setScaleMode(scaleMode));
 
     QWidget *w = pINTERFACE_CALL(widget());
     if (w) {
         layout.addWidget(w);
         q->setSizePolicy(w->sizePolicy());
         w->setMouseTracking(true);
     }
 }
 
 bool VideoWidget::event(QEvent *e)
 {
     return QWidget::event(e);
 }
 
 } //namespace Phonon
 
 #endif //QT_NO_PHONON_VIDEO
 
 #include "moc_videowidget.cpp"
 
 #undef PHONON_CLASSNAME
 // vim: sw=4 ts=4 tw=80