add a video widget class that encapsulates a Phonon video player and includes all the logic for repeated playbacks, media controls, etc

at the moment, it provides just playback and repeat mode

svn path=/trunk/KDE/kdegraphics/okular/; revision=851956

CMakeLists.txt

@@ -154,6 +154,7 @@ set(okularpart_SRCS
    ui/tocmodel.cpp
    ui/toolaction.cpp
    ui/tts.cpp
+   ui/videowidget.cpp
 )
 
 kde4_add_ui_files(okularpart_SRCS

ui/videowidget.cpp

@@ -0,0 +1,150 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Pino Toscano <pino@kde.org>                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+
+#include "videowidget.h"
+
+// qt/kde includes
+#include <qdir.h>
+#include <qevent.h>
+#include <qlayout.h>
+
+#include <phonon/videoplayer.h>
+
+#include "core/area.h"
+#include "core/annotations.h"
+#include "core/document.h"
+#include "core/movie.h"
+
+/* Private storage. */
+class VideoWidget::Private
+{
+public:
+    Private( Okular::MovieAnnotation *ma, Okular::Document *doc, VideoWidget *qq )
+        : q( qq ), anno( ma ), document( doc ), loaded( false )
+    {
+    }
+
+    void load();
+
+    // slots
+    void finished();
+
+    VideoWidget *q;
+    Okular::MovieAnnotation *anno;
+    Okular::Document *document;
+    Okular::NormalizedRect geom;
+    Phonon::VideoPlayer *player;
+    bool loaded : 1;
+};
+
+void VideoWidget::Private::load()
+{
+    if ( loaded )
+        return;
+
+    loaded = true;
+
+    QString url = anno->movie()->url();
+    KUrl newurl;
+    if ( QDir::isRelativePath( url ) )
+    {
+        newurl = document->currentDocument();
+        newurl.setFileName( url );
+    }
+    else
+    {
+        newurl = url;
+    }
+    if ( newurl.isLocalFile() )
+        player->load( newurl.toLocalFile() );
+    else
+        player->load( newurl );
+}
+
+void VideoWidget::Private::finished()
+{
+    switch ( anno->movie()->playMode() )
+    {
+        case Okular::Movie::PlayOnce:
+            // TODO hide the control bar
+            break;
+        case Okular::Movie::PlayOpen:
+            // playback has ended, nothing to do
+            break;
+        case Okular::Movie::PlayRepeat:
+            // repeat the playback
+            player->play();
+            break;
+        case Okular::Movie::PlayPalindrome:
+            // FIXME we should play backward, but we cannot
+            player->play();
+            break;
+    }
+}
+
+VideoWidget::VideoWidget( Okular::MovieAnnotation *movieann, Okular::Document *document, QWidget *parent )
+    : QWidget( parent ), d( new Private( movieann, document, this ) )
+{
+    QVBoxLayout *mainlay = new QVBoxLayout( this );
+    mainlay->setMargin( 0 );
+
+    d->player = new Phonon::VideoPlayer( Phonon::NoCategory, this );
+    mainlay->addWidget( d->player );
+
+    connect( d->player, SIGNAL( finished() ), this, SLOT( finished() ) );
+
+    d->geom = movieann->transformedBoundingRectangle();
+}
+
+VideoWidget::~VideoWidget()
+{
+    delete d;
+}
+
+void VideoWidget::setNormGeometry( const Okular::NormalizedRect &rect )
+{
+    d->geom = rect;
+}
+
+Okular::NormalizedRect VideoWidget::normGeometry() const
+{
+    return d->geom;
+}
+
+void VideoWidget::play()
+{
+    d->load();
+    d->player->play();
+}
+
+void VideoWidget::stop()
+{
+    d->player->stop();
+}
+
+void VideoWidget::pause()
+{
+    d->player->pause();
+}
+
+void VideoWidget::mousePressEvent( QMouseEvent * event )
+{
+    if ( event->button() == Qt::LeftButton )
+    {
+        if ( !d->player->isPlaying() )
+        {
+            play();
+        }
+        event->accept();
+    }
+
+    QWidget::mousePressEvent( event );
+}
+
+#include "videowidget.moc"

ui/videowidget.h

@@ -0,0 +1,47 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Pino Toscano <pino@kde.org>                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ ***************************************************************************/
+
+#ifndef _OKULAR_VIDEOWIDGET_H_
+#define _OKULAR_VIDEOWIDGET_H_
+
+#include <qwidget.h>
+
+namespace Okular {
+class Document;
+class MovieAnnotation;
+class NormalizedRect;
+}
+
+class VideoWidget : public QWidget
+{
+    Q_OBJECT
+    public:
+        VideoWidget( Okular::MovieAnnotation *movieann, Okular::Document *document, QWidget *parent = 0 );
+        ~VideoWidget();
+
+        void setNormGeometry( const Okular::NormalizedRect &rect );
+        Okular::NormalizedRect normGeometry() const;
+
+    public slots:
+        void play();
+        void pause();
+        void stop();
+
+    protected:
+        /* reimp */ void mousePressEvent( QMouseEvent * event );
+
+    private:
+        Q_PRIVATE_SLOT( d, void finished() )
+
+        // private storage
+        class Private;
+        Private *d;
+};
+
+#endif