1 files changed, 448 insertions, 0 deletions

diff --git a/core/multimedia/opieplayer/playlistwidget.cpp b/core/multimedia/opieplayer/playlistwidget.cpp
new file mode 100644
index 0000000..969fc4b
--- a/dev/null
+++ b/core/multimedia/opieplayer/playlistwidget.cpp
@@ -0,0 +1,448 @@
+/**********************************************************************
+** Copyright (C) 2000 Trolltech AS.  All rights reserved.
+**
+** This file is part of Qtopia Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** See http://www.trolltech.com/gpl/ for GPL licensing information.
+**
+** Contact info@trolltech.com if any conditions of this licensing are
+** not clear to you.
+**
+**********************************************************************/
+#include <qpe/qpemenubar.h>
+#include <qpe/qpetoolbar.h>
+#include <qpe/fileselector.h>
+#include <qpe/applnk.h>
+#include <qpe/config.h>
+#include <qpe/global.h>
+#include <qpe/resource.h>
+#include <qaction.h>
+#include <qimage.h>
+#include <qfile.h>
+#include <qlayout.h>
+#include <qlabel.h>
+#include <qlist.h>
+#include <qlistbox.h>
+#include <qmainwindow.h>
+#include <qmessagebox.h>
+#include <qtoolbutton.h>
+
+#include "playlistselection.h"
+#include "playlistwidget.h"
+#include "mediaplayerstate.h"
+
+#include <stdlib.h>
+
+
+extern MediaPlayerState *mediaPlayerState;
+
+
+class PlayListWidgetPrivate {
+public:
+    QToolButton *tbPlay;
+    QToolButton *tbFull;
+    QToolButton *tbLoop;
+    QToolButton *tbScale;
+    QToolButton *tbShuffle;
+
+    QFrame *playListFrame;
+    FileSelector *files;
+    PlayListSelection *selectedFiles;
+    bool setDocumentUsed;
+    DocLnk *current;
+};
+
+
+class ToolButton : public QToolButton {
+public:
+    ToolButton( QWidget *parent, const char *name, const QString& icon, QObject *handler, const QString& slot, bool t = FALSE )
+        : QToolButton( parent, name ) {
+        setTextLabel( name );
+        setPixmap( Resource::loadPixmap( icon ) );
+        setAutoRaise( TRUE );
+        setFocusPolicy( QWidget::NoFocus );
+        setToggleButton( t );
+        connect( this, t ? SIGNAL( toggled(bool) ) : SIGNAL( clicked() ), handler, slot );
+        QPEMenuToolFocusManager::manager()->addWidget( this );
+    }
+};
+
+
+class MenuItem : public QAction {
+public:
+    MenuItem( QWidget *parent, const QString& text, QObject *handler, const QString& slot )
+        : QAction( text, QString::null, 0, 0 ) {
+        connect( this, SIGNAL( activated() ), handler, slot );
+        addTo( parent );
+    }
+};
+
+
+PlayListWidget::PlayListWidget( QWidget* parent, const char* name, WFlags fl )
+    : QMainWindow( parent, name, fl ) {
+
+    d = new PlayListWidgetPrivate;
+    d->setDocumentUsed = FALSE;
+    d->current = NULL;
+
+    setBackgroundMode( PaletteButton );
+
+    setCaption( tr("MediaPlayer") );
+    setIcon( Resource::loadPixmap( "MPEGPlayer" ) );
+
+    setToolBarsMovable( FALSE );
+
+    // Create Toolbar
+    QPEToolBar *toolbar = new QPEToolBar( this );
+    toolbar->setHorizontalStretchable( TRUE );
+
+    // Create Menubar
+    QPEMenuBar *menu = new QPEMenuBar( toolbar );
+    menu->setMargin( 0 );
+
+    QPEToolBar *bar = new QPEToolBar( this );
+    bar->setLabel( tr( "Play Operations" ) );
+#ifdef BUTTONS_ON_TOOLBAR
+    d->tbPlay    = new ToolButton( bar, tr( "Play" ),       "mpegplayer/play",    mediaPlayerState, SLOT(setPlaying(bool)), TRUE );
+    d->tbShuffle = new ToolButton( bar, tr( "Randomize" ),  "mpegplayer/shuffle", mediaPlayerState, SLOT(setShuffled(bool)), TRUE );
+#endif
+    d->tbLoop    = new ToolButton( bar, tr( "Loop" ),       "mpegplayer/loop",    mediaPlayerState, SLOT(setLooping(bool)), TRUE );
+    d->tbFull    = new ToolButton( bar, tr( "Fullscreen" ), "fullscreen",         mediaPlayerState, SLOT(setFullscreen(bool)), TRUE );
+    d->tbScale   = new ToolButton( bar, tr( "Scale" ),      "mpegplayer/scale",   mediaPlayerState, SLOT(setScaled(bool)), TRUE );
+
+    QPopupMenu *pmPlayList = new QPopupMenu( this );
+    menu->insertItem( tr( "PlayList" ), pmPlayList );
+            new MenuItem( pmPlayList, tr( "Toggle PlayList" ),   mediaPlayerState, SLOT( togglePlaylist() ) );
+    new MenuItem( pmPlayList, tr( "Clear List" ),          this,             SLOT( clearList() ) );
+    new MenuItem( pmPlayList, tr( "Add all music files" ), this,             SLOT( addAllMusicToList() ) );
+    new MenuItem( pmPlayList, tr( "Add all video files" ), this,             SLOT( addAllVideoToList() ) );
+    new MenuItem( pmPlayList, tr( "Add all files" ),       this,             SLOT( addAllToList() ) );
+#ifdef CAN_SAVE_LOAD_PLAYLISTS
+    new MenuItem( pmPlayList, tr( "Save PlayList" ),       this,             SLOT( saveList() ) );
+    new MenuItem( pmPlayList, tr( "Load PlayList" ),       this,             SLOT( loadList() ) );
+#endif
+
+    QVBox *vbox5 = new QVBox( this ); vbox5->setBackgroundMode( PaletteButton );
+
+    // Add the playlist area
+    QVBox *vbox3 = new QVBox( vbox5 ); vbox3->setBackgroundMode( PaletteButton );
+    d->playListFrame = vbox3;
+
+    QLabel *plString = new QLabel( tr(" PlayList"), vbox3 );    
+    plString->setBackgroundMode( QButton::PaletteButton );
+    plString->setFont( QFont( "Helvetica", 8, QFont::Bold ) );
+
+    QHBox *hbox2 = new QHBox( vbox3 ); hbox2->setBackgroundMode( PaletteButton );
+    d->selectedFiles = new PlayListSelection( hbox2 );
+    QVBox *vbox1 = new QVBox( hbox2 ); vbox1->setBackgroundMode( PaletteButton );
+
+#ifndef BUTTONS_ON_TOOLBAR
+    d->tbPlay = new ToolButton( vbox1, tr( "Play" ), "mpegplayer/play", mediaPlayerState, SLOT(setPlaying(bool)), TRUE );
+    QVBox *stretch1 = new QVBox( vbox1 ); stretch1->setBackgroundMode( PaletteButton ); // add stretch
+#endif
+    new ToolButton( vbox1, tr( "Move Up" ),   "mpegplayer/up",   d->selectedFiles, SLOT(moveSelectedUp()) );
+    new ToolButton( vbox1, tr( "Remove" ),    "mpegplayer/cut",  d->selectedFiles, SLOT(removeSelected()) );
+    new ToolButton( vbox1, tr( "Move Down" ), "mpegplayer/down", d->selectedFiles, SLOT(moveSelectedDown()) );
+    QVBox *stretch2 = new QVBox( vbox1 ); stretch2->setBackgroundMode( PaletteButton ); // add stretch
+#ifndef BUTTONS_ON_TOOLBAR
+    d->tbShuffle = new ToolButton( vbox1, tr( "Randomize" ), "mpegplayer/shuffle", mediaPlayerState, SLOT(setShuffled(bool)), TRUE );
+#endif
+
+    // add the library area
+    QVBox *vbox4 = new QVBox( vbox5 ); vbox4->setBackgroundMode( PaletteButton );
+
+    QLabel *libString = new QLabel( tr(" Media Library"), vbox4 );    
+    libString->setBackgroundMode( QButton::PaletteButton );
+    libString->setFont( QFont( "Helvetica", 8, QFont::Bold ) );
+
+    QHBox *hbox6 = new QHBox( vbox4 ); hbox6->setBackgroundMode( PaletteButton );
+    d->files = new FileSelector( "video/*;audio/*", hbox6, "Find Media Files", FALSE, FALSE );
+    d->files->setBackgroundMode( PaletteButton );
+    QVBox *vbox7 = new QVBox( hbox6 ); vbox7->setBackgroundMode( PaletteButton );
+
+#ifdef SIDE_BUTTONS
+    new ToolButton( vbox7, tr( "Add to Playlist" ),      "mpegplayer/add_to_playlist",      d->selectedFiles, SLOT(addSelected()) );
+    new ToolButton( vbox7, tr( "Remove from Playlist" ), "mpegplayer/remove_from_playlist", d->selectedFiles, SLOT(removeSelected()) );
+    QVBox *stretch3 = new QVBox( vbox1 ); stretch3->setBackgroundMode( PaletteButton ); // add stretch
+#endif
+
+    connect( d->files, SIGNAL( fileSelected( const DocLnk & ) ), this, SLOT( addToSelection( const DocLnk & ) ) );
+    connect( mediaPlayerState, SIGNAL( playingToggled( bool ) ),    d->tbPlay,    SLOT( setOn( bool ) ) );
+    connect( mediaPlayerState, SIGNAL( loopingToggled( bool ) ),    d->tbLoop,    SLOT( setOn( bool ) ) );
+    connect( mediaPlayerState, SIGNAL( shuffledToggled( bool ) ),   d->tbShuffle, SLOT( setOn( bool ) ) );
+    connect( mediaPlayerState, SIGNAL( fullscreenToggled( bool ) ), d->tbFull,    SLOT( setOn( bool ) ) );
+    connect( mediaPlayerState, SIGNAL( scaledToggled( bool ) ),     d->tbScale,   SLOT( setOn( bool ) ) );
+    connect( mediaPlayerState, SIGNAL( fullscreenToggled( bool ) ), d->tbScale,   SLOT( setEnabled( bool ) ) );
+    connect( mediaPlayerState, SIGNAL( playlistToggled( bool ) ),   this,         SLOT( setPlaylist( bool ) ) );
+
+    setCentralWidget( vbox5 );
+
+    Config cfg( "MediaPlayer" );
+    readConfig( cfg );
+
+    initializeStates();
+}
+
+
+PlayListWidget::~PlayListWidget() {
+    Config cfg( "MediaPlayer" );
+    writeConfig( cfg );
+
+    if ( d->current )
+        delete d->current;
+    delete d;
+}
+
+
+void PlayListWidget::initializeStates() {
+    d->tbPlay->setOn( mediaPlayerState->playing() );
+    d->tbLoop->setOn( mediaPlayerState->looping() );
+    d->tbShuffle->setOn( mediaPlayerState->shuffled() );
+    d->tbFull->setOn( mediaPlayerState->fullscreen() );
+    d->tbScale->setOn( mediaPlayerState->scaled() );
+    d->tbScale->setEnabled( mediaPlayerState->fullscreen() );
+    setPlaylist( mediaPlayerState->playlist() );
+}
+
+
+void PlayListWidget::readConfig( Config& cfg ) {
+    cfg.setGroup("PlayList");
+    
+    int noOfFiles = cfg.readNumEntry("NumberOfFiles", 0 );
+    
+    for ( int i = 0; i < noOfFiles; i++ ) {
+        QString entryName;
+        entryName.sprintf( "File%i", i + 1 );
+        QString linkFile = cfg.readEntry( entryName );
+        DocLnk lnk( linkFile );
+        if ( lnk.isValid() )
+            d->selectedFiles->addToSelection( lnk );
+
+    }
+}
+
+
+void PlayListWidget::writeConfig( Config& cfg ) const {
+    cfg.setGroup("PlayList");
+
+    int noOfFiles = 0;
+
+    d->selectedFiles->first();
+    do {
+        const DocLnk *lnk = d->selectedFiles->current();
+        if ( lnk ) {
+            QString entryName;
+            entryName.sprintf( "File%i", noOfFiles + 1 );
+            cfg.writeEntry( entryName, lnk->linkFile() );
+            // if this link does exist, add it so we have the file
+            // next time...
+            if ( !QFile::exists( lnk->linkFile() ) ) {
+                // the way writing lnks doesn't really check for out
+                // of disk space, but check it anyway.
+                if ( !lnk->writeLink() ) {
+                    QMessageBox::critical( 0, tr("Out of space"),
+                                           tr( "There was a problem saving "
+                                               "the playlist.\n"
+                                               "Your playlist "
+                                               "may be missing some entries\n"
+                                               "the next time you start it." )
+                                           );
+                }
+                    }      
+            noOfFiles++;
+        }
+    } while ( d->selectedFiles->next() );
+    
+    cfg.writeEntry("NumberOfFiles", noOfFiles );
+}
+
+
+void PlayListWidget::addToSelection( const DocLnk& lnk ) {
+    d->setDocumentUsed = FALSE;
+    if ( mediaPlayerState->playlist() )
+        d->selectedFiles->addToSelection( lnk );
+    else
+        mediaPlayerState->setPlaying( TRUE );
+}
+
+
+void PlayListWidget::clearList() {
+    while ( first() )
+        d->selectedFiles->removeSelected();
+}
+
+
+void PlayListWidget::addAllToList() {
+    DocLnkSet files;
+    Global::findDocuments(&files, "video/*;audio/*");
+    QListIterator<DocLnk> dit( files.children() );
+    for ( ; dit.current(); ++dit )
+        d->selectedFiles->addToSelection( **dit );
+}
+
+
+void PlayListWidget::addAllMusicToList() {
+    DocLnkSet files;
+    Global::findDocuments(&files, "audio/*");
+    QListIterator<DocLnk> dit( files.children() );
+    for ( ; dit.current(); ++dit )
+        d->selectedFiles->addToSelection( **dit );
+}
+
+
+void PlayListWidget::addAllVideoToList() {
+    DocLnkSet files;
+    Global::findDocuments(&files, "video/*");
+    QListIterator<DocLnk> dit( files.children() );
+    for ( ; dit.current(); ++dit )
+        d->selectedFiles->addToSelection( **dit );
+}
+
+
+void PlayListWidget::setDocument(const QString& fileref) {
+    if ( fileref.isNull() ) {
+        QMessageBox::critical( 0, tr( "Invalid File" ), tr( "There was a problem in getting the file." ) );
+        return;
+    }
+    if ( mediaPlayerState->playlist() )
+        addToSelection( DocLnk( fileref ) );
+    else {
+        d->setDocumentUsed = TRUE;
+        if ( d->current )
+            delete d->current;
+        d->current = new DocLnk( fileref );
+    }
+    mediaPlayerState->setPlaying( FALSE );
+    mediaPlayerState->setPlaying( TRUE );
+}
+
+
+void PlayListWidget::setActiveWindow() {
+    // When we get raised we need to ensure that it switches views
+    char origView = mediaPlayerState->view();
+    mediaPlayerState->setView( 'l' ); // invalidate
+    mediaPlayerState->setView( origView ); // now switch back
+}
+
+
+void PlayListWidget::useSelectedDocument() {
+    d->setDocumentUsed = FALSE;
+}
+
+
+const DocLnk *PlayListWidget::current() {
+    if ( mediaPlayerState->playlist() )
+        return d->selectedFiles->current();
+    else if ( d->setDocumentUsed && d->current ) {
+        return d->current;
+    } else
+        return d->files->selected();
+}
+
+
+bool PlayListWidget::prev() {
+    if ( mediaPlayerState->playlist() ) {
+        if ( mediaPlayerState->shuffled() ) {
+            const DocLnk *cur = current();
+            int j = 1 + (int)(97.0 * rand() / (RAND_MAX + 1.0));
+            for ( int i = 0; i < j; i++ ) {
+                if ( !d->selectedFiles->next() )
+                    d->selectedFiles->first();
+            }
+            if ( cur == current() )
+                if ( !d->selectedFiles->next() )
+                    d->selectedFiles->first();
+            return TRUE;
+        } else {
+            if ( !d->selectedFiles->prev() ) {
+                if ( mediaPlayerState->looping() ) {
+                    return d->selectedFiles->last();
+                } else {
+                    return FALSE;
+                }
+            }
+            return TRUE;
+        }
+    } else {
+        return mediaPlayerState->looping();
+    }
+}
+
+
+bool PlayListWidget::next() {
+    if ( mediaPlayerState->playlist() ) {
+        if ( mediaPlayerState->shuffled() ) {
+            return prev();
+        } else {
+            if ( !d->selectedFiles->next() ) {
+                if ( mediaPlayerState->looping() ) {
+                    return d->selectedFiles->first();
+                } else {
+                    return FALSE;
+                }
+            }
+            return TRUE;
+        }
+    } else {
+        return mediaPlayerState->looping();
+    }
+}
+
+
+bool PlayListWidget::first() {
+    if ( mediaPlayerState->playlist() )
+        return d->selectedFiles->first();
+    else
+        return mediaPlayerState->looping();
+}
+
+
+bool PlayListWidget::last() {
+    if ( mediaPlayerState->playlist() )
+        return d->selectedFiles->last();
+    else
+        return mediaPlayerState->looping();
+}
+
+
+void PlayListWidget::saveList() {
+    QString filename;
+//  pseudo code
+//  filename = QLineEdit->getText();    
+    Config cfg( filename + ".playlist" );
+    writeConfig( cfg );
+}
+
+
+void PlayListWidget::loadList() {
+    QString filename;
+//  pseudo code
+//  filename = FileSelector->openFile( "*.playlist" );
+    Config cfg( filename + ".playlist" );
+    readConfig( cfg );
+}
+
+
+void PlayListWidget::setPlaylist( bool shown ) {
+    if ( shown ) 
+        d->playListFrame->show();
+    else
+        d->playListFrame->hide();
+}
+
+
+void PlayListWidget::setView( char view ) {
+    if ( view == 'l' )
+        showMaximized();
+    else
+        hide();
+}
+