path: root/core/launcher/launcher.cpp

/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
**
** This file is part of the 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.
**
**********************************************************************/

// WARNING: Do *NOT* define this yourself. The SL5xxx from SHARP does NOT
//      have this class.
#define QTOPIA_INTERNAL_FSLP

//#include <opie/ofiledialog.h>
#include <opie/ofileselector.h>
#include <qpe/qcopenvelope_qws.h>
#include <qpe/resource.h>
#include <qpe/applnk.h>
#include <qpe/config.h>
#include <qpe/global.h>
#include <qpe/qpeapplication.h>
#include <qpe/mimetype.h>
#include <qpe/storage.h>
#include <qpe/palmtoprecord.h>

#include <qpe/version.h>

#include <qdir.h>
#ifdef QWS
#include <qwindowsystem_qws.h>
#endif
#include <qtimer.h>
#include <qcombobox.h>
#include <qvbox.h>
#include <qlayout.h>
#include <qstyle.h>
#include <qpushbutton.h>
#include <qtabbar.h>
#include <qwidgetstack.h>
#include <qlayout.h>
#include <qregexp.h>
#include <qmessagebox.h>
#include <qframe.h>
#include <qpainter.h>
#include <qlabel.h>
#include <qtextstream.h>
#include <qpopupmenu.h>

#include <opie/owait.h>


#include "launcherview.h"
#include "launcher.h"
#include "syncdialog.h"
#include "desktop.h"
#include <qpe/lnkproperties.h>
//#include "mrulist.h"
#include "qrsync.h"
#include <stdlib.h>
#include <unistd.h>

#if defined(_OS_LINUX_) || defined(Q_OS_LINUX)
#include <stdio.h>
#include <sys/vfs.h>
#include <mntent.h>
#endif

#include <qpe/storage.h>
#include "mediummountgui.h"

namespace {
  QStringList configToMime( Config *cfg ){
    QStringList mimes;
    bool tmpMime = true;
    cfg->setGroup("mimetypes" );
    tmpMime = cfg->readBoolEntry("all" ,true);
    if( tmpMime ){
      mimes << QString::null;
      return mimes;
    }else{
      tmpMime = cfg->readBoolEntry("audio", true );
      if(tmpMime )
  mimes.append("audio/*" );

      tmpMime = cfg->readBoolEntry("image", true );
      if(tmpMime )
  mimes.append("image/*" );

      tmpMime = cfg->readBoolEntry("text", true );
      if(tmpMime )
  mimes.append("text/*");

      tmpMime = cfg->readBoolEntry("video", true );
      if(tmpMime )
  mimes.append("video/*" );
    }
    return mimes;
  }

}



//#define SHOW_ALL

class CategoryTab : public QTab
{
public:
    CategoryTab( const QIconSet &icon, const QString &text=QString::null )
  : QTab( icon, text )
    {
    }

    QColor bgColor;
    QColor fgColor;
};

//===========================================================================

CategoryTabWidget::CategoryTabWidget( QWidget* parent ) :
    QVBox( parent )
{
    categoryBar = 0;
    stack = 0;
}

void CategoryTabWidget::prevTab()
{
    if ( categoryBar ) {
  int n = categoryBar->count();
  int tab = categoryBar->currentTab();
  if ( tab >= 0 )
            categoryBar->setCurrentTab( (tab - 1 + n)%n );
    }
}

void CategoryTabWidget::nextTab()
{
    if ( categoryBar ) {
  int n = categoryBar->count();
        int tab = categoryBar->currentTab();
  categoryBar->setCurrentTab( (tab + 1)%n );
    }
}


void CategoryTabWidget::showTab(const QString& id)
{
    if ( categoryBar ) {
  int idx = ids.findIndex( id );
  categoryBar->setCurrentTab( idx );
    }
}

void CategoryTabWidget::addItem( const QString& linkfile )
{
//     int i=0;
//     AppLnk *app = new AppLnk(linkfile);
//     if ( !app->isValid() ) {
//        delete app;
//        app=0;
//     }
//     if ( !app || !app->file().isEmpty() ) {
      // A document
//        delete app;
//        app = new DocLnk(linkfile);
//        if ( app->fileKnown() ) {
//           ((LauncherView*)(stack->widget(ids.count()-1)))->addItem(app);
//        } else {
//           ((LauncherView*)(stack->widget(ids.count()-1)))->sort();
//           delete app;
//        }
//        return;
//     }
   // An application
//     for ( QStringList::Iterator it=ids.begin(); it!=ids.end(); ++it) {
//        if ( !(*it).isEmpty() ) {
//           QRegExp tf(*it,FALSE,TRUE);
//           if ( tf.match(app->type()) >= 0 ) {
//              ((LauncherView*)stack->widget(i))->addItem(app);
//              return;
//           }
//           i++;
   //        }
   //  }

   QCopEnvelope e("QPE/TaskBar","reloadApps()");
}

void CategoryTabWidget::initializeCategories(AppLnkSet* rootFolder,
 AppLnkSet* /*docFolder*/, const QList<FileSystem> & /*fs*/)
{
   QString current;
    if ( categoryBar ) {
        int c = categoryBar->currentTab();
        if ( c >= 0 ) current = ids[c];
    }

    delete categoryBar;
    categoryBar = new CategoryTabBar( this );
    QPalette pal = categoryBar->palette();
    pal.setColor( QColorGroup::Light, pal.color(QPalette::Active,QColorGroup::Shadow) );
    pal.setColor( QColorGroup::Background, pal.active().background().light(110) );
    categoryBar->setPalette( pal );

    delete stack;
    stack = new QWidgetStack(this);
    tabs=0;

    ids.clear();

    Config cfg("Launcher");

    QStringList types = rootFolder->types();
    for ( QStringList::Iterator it=types.begin(); it!=types.end(); ++it) {
  if ( !(*it).isEmpty() ) {
      (void)newView(*it,rootFolder->typePixmap(*it),rootFolder->typeName(*it));
      setTabAppearance( *it, cfg );
  }
    }
    QListIterator<AppLnk> it( rootFolder->children() );
    AppLnk* l;
    while ( (l=it.current()) ) {
  if ( l->type() == "Separator" ) { // No tr
      rootFolder->remove(l);
      delete l;
  } else {
      int i=0;
      for ( QStringList::Iterator it=types.begin(); it!=types.end(); ++it) {
    if ( *it == l->type() )
        ((LauncherView*)stack->widget(i))->addItem(l,FALSE);
    i++;
      }
  }
  ++it;
    }
    rootFolder->detachChildren();
    for (int i=0; i<tabs; i++)
  ((LauncherView*)stack->widget(i))->sort();

    // all documents
    QImage img( Resource::loadImage( "DocsIcon" ) );
    QPixmap pm;
    pm = img.smoothScale( AppLnk::smallIconSize(), AppLnk::smallIconSize() );

    //ljpotter
     CategoryTab *catTab ;
     catTab = new CategoryTab( pm, "Documents" );
        
     categoryBar->addTab( catTab );

     fileSel = new DocumentTab( stack, 4, 0, "/","");
     stack->addWidget( fileSel, tabs++ );

     //     fileSel->hide();     

     connect( fileSel, SIGNAL( fileSelected( const DocLnk & )),
              this, SLOT(clickie(const DocLnk&)) );
        
//       connect( fileSel, SIGNAL( fileSelected( const QString & )),
//                this, SLOT(clickie(const QString&)) );

     connect( categoryBar, SIGNAL(selected(int)), stack, SLOT(raiseWidget(int)) );

    ((LauncherView*)stack->widget(0))->setFocus();

    cfg. setGroup ( "GUI" );
    setBusyIndicatorType ( cfg. readEntry ( "BusyType", QString::null ));

    if ( !current.isNull() ) {
        showTab(current);
    }

    categoryBar->show();
    stack->show();


    QCopEnvelope e("QPE/TaskBar","reloadApps()");
}

void CategoryTabWidget::clickie(const DocLnk &lnk) {
   lnk.execute();
   //   fileSel->reparse();
}

void CategoryTabWidget::clickie(const QString &appStr) {
//     DocLnk lnk(appStr);
//     lnk.execute();
}

void CategoryTabWidget::setTabAppearance( const QString &id, Config &cfg )
{
    QString grp( "Tab %1" ); // No tr
    cfg.setGroup( grp.arg(id) );
    LauncherView *v = view( id );
    int idx = ids.findIndex( id );
    CategoryTab *tab = (CategoryTab *)categoryBar->tab( idx );

    // View
    QString view = cfg.readEntry( "View", "Icon" );
    if ( view == "List" ) // No tr
  v->setViewMode( LauncherView::List );
    QString bgType = cfg.readEntry( "BackgroundType", "Image" );
    if ( bgType == "Image" ) { // No tr
  QString pm = cfg.readEntry( "BackgroundImage", "launcher/opie-background" );
  v->setBackgroundType( LauncherView::Image, pm );
    } else if ( bgType == "SolidColor" ) {
  QString c = cfg.readEntry( "BackgroundColor" );
  v->setBackgroundType( LauncherView::SolidColor, c );
    }
    QString textCol = cfg.readEntry( "TextColor" );
    if ( textCol.isEmpty() )
  v->setTextColor( QColor() );
    else
  v->setTextColor( QColor(textCol) );
    QStringList font = cfg.readListEntry( "Font", ',' );
    if ( font.count() == 4 )
  v->setViewFont( QFont(font[0], font[1].toInt(), font[2].toInt(), font[3].toInt()!=0) );

    // Tabs
    QString tabCol = cfg.readEntry( "TabColor" );
    if ( tabCol.isEmpty() )
  tab->bgColor = QColor();
    else
  tab->bgColor = QColor(tabCol);
    QString tabTextCol = cfg.readEntry( "TabTextColor" );
    if ( tabTextCol.isEmpty() )
  tab->fgColor = QColor();
    else
  tab->fgColor = QColor(tabTextCol);
}

//void CategoryTabWidget::updateDocs(AppLnkSet* docFolder, const QList<FileSystem> & /*fs*/)
//{
   //     docFolder->detachChildren();
//}

void CategoryTabWidget::tabProperties()
{
    LauncherView *view = (LauncherView*)stack->widget( categoryBar->currentTab() );
    QPopupMenu *m = new QPopupMenu( this );
    m->insertItem( tr("Icon View"), LauncherView::Icon );
    m->insertItem( tr("List View"), LauncherView::List );
    m->setItemChecked( (int)view->viewMode(), TRUE );
    int rv = m->exec( QCursor::pos() );
    if ( rv >= 0 && rv != view->viewMode() ) {
  view->setViewMode( (LauncherView::ViewMode)rv );
    }

    delete m;
}

QString CategoryTabWidget::getAllDocLinkInfo() const
{
   return "";
}

LauncherView* CategoryTabWidget::newView( const QString& id, const QPixmap& pm, const QString& label )
{
    LauncherView* view = new LauncherView( stack );
    connect( view, SIGNAL(clicked(const AppLnk*)),
      this, SIGNAL(clicked(const AppLnk*)));
    connect( view, SIGNAL(rightPressed(AppLnk*)),
      this, SIGNAL(rightPressed(AppLnk*)));
    ids.append(id);
    categoryBar->addTab( new CategoryTab( pm, label ) );
    stack->addWidget( view, tabs++ );
    return view;
}

void CategoryTabWidget::updateLink(const QString& linkfile)
{
   //       LauncherView* view;
   qApp->processEvents();
//          while ((view = (LauncherView*)stack->widget(i++))) {
//        if ( view->removeLink(linkfile) )
//            break;
//          }
   //   addItem(linkfile);
   fileSel->reparse();
}

void CategoryTabWidget::paletteChange( const QPalette &p )
{
    QVBox::paletteChange( p );
    QPalette pal = palette();
    pal.setColor( QColorGroup::Light, pal.color(QPalette::Active,QColorGroup::Shadow) );
    pal.setColor( QColorGroup::Background, pal.active().background().light(110) );
    categoryBar->setPalette( pal );
    categoryBar->update();
}

void CategoryTabWidget::setBusy(bool on)
{
    if ( on )
  ((LauncherView*)stack->visibleWidget())->setBusy(TRUE);
    else
  for (int i=0; i<tabs-1; i++)
      ((LauncherView*)stack->widget(i))->setBusy(FALSE);
}

LauncherView *CategoryTabWidget::view( const QString &id )
{
    int idx = ids.findIndex( id );
    return (LauncherView *)stack->widget(idx);
}

void CategoryTabWidget::setBusyIndicatorType ( const QString &type )
{
  for ( QStringList::Iterator it = ids. begin ( ); it != ids. end ( ); ++it )
    view ( *it )-> setBusyIndicatorType ( type );
}

//===========================================================================

CategoryTabBar::CategoryTabBar( QWidget *parent, const char *name )
    : QTabBar( parent, name )
{
    setFocusPolicy( NoFocus );
    connect( this, SIGNAL( selected(int) ), this, SLOT( layoutTabs() ) );
}

CategoryTabBar::~CategoryTabBar()
{
}

void CategoryTabBar::layoutTabs()
{
    if ( !count() )
  return;

//    int percentFalloffTable[] = { 100, 70, 40, 12, 6, 3, 1, 0 };
    int available = width()-1;
    QFontMetrics fm = fontMetrics();
    int hiddenTabWidth = -7;
    int middleTab = currentTab();
    int hframe, vframe, overlap;
    style().tabbarMetrics( this, hframe, vframe, overlap );
    int x = 0;
    QRect r;
    QTab *t;
    int required = 0;
    int eventabwidth = (width()-1)/count();
    enum Mode { HideBackText, Pack, Even } mode=Even;
    for ( int i = 0; i < count(); i++ ) {
  t = tab(i);
  int iw = fm.width( t->text() ) + hframe - overlap;
  if ( i != middleTab ) {
      available -= hiddenTabWidth + hframe - overlap;
      if ( t->iconSet() != 0 )
    available -= t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width();
  }
  if ( t->iconSet() != 0 )
      iw += t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width();
  required += iw;
  // As space gets tight, packed looks better than even. "10" must be at least 0.
  if ( iw >= eventabwidth-10 )
      mode = Pack;
    }
    if ( mode == Pack && required > width()-1 )
  mode = HideBackText;
    for ( int i = 0; i < count(); i++ ) {
  t = tab(i);
  if ( mode != HideBackText ) {
      int w = fm.width( t->text() );
      int ih = 0;
      if ( t->iconSet() != 0 ) {
    w += t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width();
    ih = t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).height();
      }
      int h = QMAX( fm.height(), ih );
      h = QMAX( h, QApplication::globalStrut().height() );

      h += vframe;
      w += hframe;

      QRect tr(x, 0,
    mode == Even ? eventabwidth : w * (width()-1)/required, h);
      t->setRect(tr);
      x += tr.width() - overlap;
      r = r.unite(tr);
  } else if ( i != middleTab ) {
      int w = hiddenTabWidth;
      int ih = 0;
      if ( t->iconSet() != 0 ) {
    w += t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width();
    ih = t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).height();
      }
      int h = QMAX( fm.height(), ih );
      h = QMAX( h, QApplication::globalStrut().height() );

      h += vframe;
      w += hframe;

      t->setRect( QRect(x, 0, w, h) );
      x += t->rect().width() - overlap;
      r = r.unite( t->rect() );
  } else {
      int ih = 0;
      if ( t->iconSet() != 0 ) {
    ih = t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).height();
      }
      int h = QMAX( fm.height(), ih );
      h = QMAX( h, QApplication::globalStrut().height() );

      h += vframe;

      t->setRect( QRect(x, 0, available, h) );
      x += t->rect().width() - overlap;
      r = r.unite( t->rect() );
  }
    }

    QRect rr = tab(count()-1)->rect();
    rr.setRight(width()-1);
    tab(count()-1)->setRect( rr );

    for ( t = tabList()->first(); t; t = tabList()->next() ) {
       QRect tr = t->rect();
       tr.setHeight( r.height() );
       t->setRect( tr );
    }

    update();
}


void CategoryTabBar::paint( QPainter * p, QTab * t, bool selected ) const
{
    CategoryTabBar *that = (CategoryTabBar *) this;
    CategoryTab *ct = (CategoryTab *)t;
    QPalette pal = palette();
    bool setPal = FALSE;
    if ( ct->bgColor.isValid() ) {
  pal.setColor( QPalette::Active, QColorGroup::Background, ct->bgColor );
  pal.setColor( QPalette::Active, QColorGroup::Button, ct->bgColor );
  pal.setColor( QPalette::Inactive, QColorGroup::Background, ct->bgColor );
  pal.setColor( QPalette::Inactive, QColorGroup::Button, ct->bgColor );
  that->setUpdatesEnabled( FALSE );
  that->setPalette( pal );
  setPal = TRUE;
    }
#if QT_VERSION >= 300
    QStyle::SFlags flags = QStyle::Style_Default;
    if ( selected )
        flags |= QStyle::Style_Selected;
    style().drawControl( QStyle::CE_TabBarTab, p, this, t->rect(),
                         colorGroup(), flags, QStyleOption(t) );
#else
    style().drawTab( p, this, t, selected );
#endif

    QRect r( t->rect() );
    QFont f( font() );
    if ( selected )
  f.setBold( TRUE );
    p->setFont( f );

    if ( ct->fgColor.isValid() ) {
  pal.setColor( QPalette::Active, QColorGroup::Foreground, ct->fgColor );
  pal.setColor( QPalette::Inactive, QColorGroup::Foreground, ct->fgColor );
  that->setUpdatesEnabled( FALSE );
  that->setPalette( pal );
  setPal = TRUE;
    }
    int iw = 0;
    int ih = 0;
    if ( t->iconSet() != 0 ) {
  iw = t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width() + 2;
  ih = t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).height();
    }
    int w = iw + p->fontMetrics().width( t->text() ) + 4;
    int h = QMAX(p->fontMetrics().height() + 4, ih );
    paintLabel( p, QRect( r.left() + (r.width()-w)/2 - 3,
        r.top() + (r.height()-h)/2, w, h ), t,
#if QT_VERSION >= 300
          t->identifier() == keyboardFocusTab()
#else
          t->identitifer() == keyboardFocusTab()
#endif
    );
    if ( setPal ) {
  that->unsetPalette();
  that->setUpdatesEnabled( TRUE );
    }
}


void CategoryTabBar::paintLabel( QPainter* p, const QRect&,
        QTab* t, bool has_focus ) const
{
    QRect r = t->rect();
    //    if ( t->id != currentTab() )
    //r.moveBy( 1, 1 );
    //
    if ( t->iconSet() ) {
  // the tab has an iconset, draw it in the right mode
  QIconSet::Mode mode = (t->isEnabled() && isEnabled()) ? QIconSet::Normal : QIconSet::Disabled;
  if ( mode == QIconSet::Normal && has_focus )
      mode = QIconSet::Active;
  QPixmap pixmap = t->iconSet()->pixmap( QIconSet::Small, mode );
  int pixw = pixmap.width();
  int pixh = pixmap.height();
  p->drawPixmap( r.left() + 6, r.center().y() - pixh / 2 + 1, pixmap );
  r.setLeft( r.left() + pixw + 5 );
    }

    QRect tr = r;

    if ( r.width() < 20 )
  return;

    if ( t->isEnabled() && isEnabled()  ) {
#if defined(_WS_WIN32_)
  if ( colorGroup().brush( QColorGroup::Button ) == colorGroup().brush( QColorGroup::Background ) )
      p->setPen( colorGroup().buttonText() );
  else
      p->setPen( colorGroup().foreground() );
#else
  p->setPen( colorGroup().foreground() );
#endif
  p->drawText( tr, AlignCenter | AlignVCenter | ShowPrefix, t->text() );
    } else {
  p->setPen( palette().disabled().foreground() );
  p->drawText( tr, AlignCenter | AlignVCenter | ShowPrefix, t->text() );
    }
}

//---------------------------------------------------------------------------

Launcher::Launcher( QWidget* parent, const char* name, WFlags fl )
    : QMainWindow( parent, name, fl )
{
    setCaption( tr("Launcher") );

    syncDialog = 0;

    // we have a pretty good idea how big we'll be
    setGeometry( 0, 0, qApp->desktop()->width(), qApp->desktop()->height() );

    tabs = 0;
    rootFolder = 0;
    docsFolder = 0;

    int stamp = uidgen.generate(); // this is our timestamp to see which devices we know
    //uidgen.store( stamp );
    m_timeStamp = QString::number( stamp  );

    tabs = new CategoryTabWidget( this );
    setCentralWidget( tabs );

    connect( tabs, SIGNAL(selected(const QString&)),
  this, SLOT(viewSelected(const QString&)) );
    connect( tabs, SIGNAL(clicked(const AppLnk*)),
  this, SLOT(select(const AppLnk*)));
    connect( tabs, SIGNAL(rightPressed(AppLnk*)),
  this, SLOT(properties(AppLnk*)));


#if !defined(QT_NO_COP)
    QCopChannel* sysChannel = new QCopChannel( "QPE/System", this );
    connect( sysChannel, SIGNAL(received(const QCString &, const QByteArray &)),
             this, SLOT(systemMessage( const QCString &, const QByteArray &)) );
    QCopChannel *channel = new QCopChannel( "QPE/Launcher", this );
    connect( channel, SIGNAL(received(const QCString&, const QByteArray&)),
             this, SLOT(launcherMessage(const QCString&, const QByteArray&)) );
#endif

    storage = new StorageInfo( this );
    connect( storage, SIGNAL( disksChanged() ), SLOT( storageChanged() ) );

    updateTabs();

    preloadApps();

    in_lnk_props = FALSE;
    got_lnk_change = FALSE;
}

Launcher::~Launcher()
{
    delete rootFolder;
    delete docsFolder;
}

static bool isVisibleWindow(int wid)
{
#ifdef QWS
    const QList<QWSWindow> &list = qwsServer->clientWindows();
    QWSWindow* w;
    for (QListIterator<QWSWindow> it(list); (w=it.current()); ++it) {
  if ( w->winId() == wid )
      return !w->isFullyObscured();
    }
#endif
    return FALSE;
}

void Launcher::showMaximized()
{
    if ( isVisibleWindow( winId() ) )
  doMaximize();
    else
  QTimer::singleShot( 20, this, SLOT(doMaximize()) );
}

void Launcher::doMaximize()
{
    QMainWindow::showMaximized();
    tabs->setMaximumWidth( qApp->desktop()->width() );
}

void Launcher::updateMimeTypes()
{
    MimeType::clear();
    updateMimeTypes(rootFolder);
}

void Launcher::updateMimeTypes(AppLnkSet* folder)
{
    for ( QListIterator<AppLnk> it( folder->children() ); it.current(); ++it ) {
  AppLnk *app = it.current();
  if ( app->type() == "Folder" ) // No tr
      updateMimeTypes((AppLnkSet *)app);
  else {
      MimeType::registerApp(*app);
  }
    }
}

/** This is a HACK....
 * Reason: scanning huge mediums, microdirvers for examples
 * consomes time. To avoid that we invented the MediumMountCheck
 *
 * a) the user globally disabled medium checking. We can ignore
 *    all removable medium
 * b) the user enabled medium checking globally and we need to use this mimefilter
 * c) the user enabled medium checking on a per medium bases
 *  c1) we already checked and its not ask again turns
 *  c2) we need to ask and then apply the mimefilter
 */
void Launcher::loadDocs() // ok here comes a hack belonging to Global::
{
   OWait *owait = new OWait();
   Global::statusMessage( tr( "Finding documents" ) );

   owait->show();
   qApp->processEvents();
   if(docsFolder) delete docsFolder;
   docsFolder = new DocLnkSet;
   DocLnkSet *tmp = 0;
   QString home = QString(getenv("HOME"))  + "/Documents";
   tmp = new DocLnkSet( home , QString::null);
   docsFolder->appendFrom( *tmp );
   delete tmp;

   // RAM documents
   StorageInfo storage;
   const QList<FileSystem> &fileSystems = storage.fileSystems();
   QListIterator<FileSystem> it ( fileSystems );

   for ( ; it.current(); ++it ) {
      if ( (*it)->disk() == "/dev/mtdblock6" || (*it)->disk() == "tmpfs" ) {
         tmp = new DocLnkSet( (*it)->path(), QString::null );
         docsFolder->appendFrom( *tmp );
         delete tmp;
      }
   }

   Config mediumCfg( "medium");
   mediumCfg.setGroup("main");
   // a) -zecke we don't want to check
   if(!mediumCfg.readBoolEntry("use", true ) ) {
      owait->hide();
      delete owait;
      return;
   }
   // find out wich filesystems are new in this round
   // We will do this by having a timestamp inside each mountpoint
   // if the current timestamp doesn't match this is a new file system and
   // come up with our MediumMountGui :) let the hacking begin
   int stamp = uidgen.generate();

   QString newStamp = QString::number( stamp ); // generates newtime Stamp

   // b)
   if( mediumCfg.readBoolEntry("global", true ) ){
      QString mime = configToMime(&mediumCfg).join(";");
      for( it.toFirst(); it.current(); ++it ){
         if( (*it)->isRemovable() ){
            tmp = new DocLnkSet( (*it)->path(), mime );
            docsFolder->appendFrom( *tmp );
            delete tmp;
         }
      } // done
      owait->hide();
      delete owait;
      return; // save the else
   }
   // c) zecke
   for ( it.toFirst(); it.current(); ++it ) {
      if ( (*it)->isRemovable() ) { // let's find out  if we should search on it
         Config cfg( (*it)->path() + "/.opiestorage.cf", Config::File);
         cfg.setGroup("main");
         QString stamp = cfg.readEntry("timestamp", QDateTime::currentDateTime().toString() );
         /** This medium is uptodate
          */
         if( stamp == m_timeStamp ){ // ok we know this card
            cfg.writeEntry("timestamp", newStamp ); //just write a new timestamp
            // we need to scan the list now. Hopefully the cache will be there
            // read the mimetypes from the config and search for documents
            QStringList mimetypes = configToMime( &cfg);
            //qApp->processEvents();
            Global::statusMessage( tr( "Searching documents" ) );
            tmp = new DocLnkSet( (*it)->path(), mimetypes.join(";")  );
            docsFolder->appendFrom( *tmp );
            delete tmp;

         } else { // come up with the gui cause this a new card
            MediumMountGui medium(&cfg, (*it)->path() );
            if( medium.check() ){ // we did not ask before or ask again is off
               /** c2) */
               if( medium.exec()  ){ // he clicked yes so search it
                  // speicher
                  //cfg.read(); // cause of a race we need to reread - fixed
                  cfg.setGroup("main");
                  cfg.writeEntry("timestamp", newStamp );
                  cfg.write();

                  //qApp->processEvents();
                  tmp = new DocLnkSet( (*it)->path(), medium.mimeTypes().join(";" ) );
                  docsFolder->appendFrom( *tmp );
                  delete tmp;
               }// no else
               /** c1) */
            } else { // we checked
               // do something different see what we need to do
               // let's see if we should check the device
               cfg.setGroup("main" );
               bool check = cfg.readBoolEntry("autocheck", true );
               if( check ){ // find the documents

                  //qApp->processEvents();
                  Global::statusMessage( tr( "Searching documents" ) );
                  tmp = new DocLnkSet( (*it)->path(), configToMime(&cfg ).join(";") );
                  docsFolder->appendFrom( *tmp );
                  delete tmp;
               }
            }
         }
      }
   }
   m_timeStamp = newStamp;
   owait->hide();
   delete owait;
}

void Launcher::updateTabs()
{
    MimeType::updateApplications(); // ### reads all applnks twice
    delete rootFolder;
    rootFolder = new AppLnkSet( MimeType::appsFolderName() );

    loadDocs();

    tabs->initializeCategories(rootFolder, docsFolder, storage->fileSystems());
}

void Launcher::updateDocs()
{
     loadDocs();
     //    tabs->updateDocs(docsFolder,storage->fileSystems());
}

void Launcher::viewSelected(const QString& s)
{
    setCaption( s + tr(" - Launcher") );
}

void Launcher::nextView()
{
    tabs->nextTab();
}

void Launcher::showTab(const QString& id)
{
    tabs->showTab(id);
    raise();
}

void Launcher::select( const AppLnk *appLnk )
{
    if ( appLnk->type() == "Folder" ) { // No tr
  // Not supported: flat is simpler for the user
    } else {
  if ( appLnk->exec().isNull() ) {
      QMessageBox::information(this,tr("No application"),
    tr("<p>No application is defined for this document."
    "<p>Type is %1.").arg(appLnk->type()));
      return;
  }
  tabs->setBusy(TRUE);
  emit executing( appLnk );
  appLnk->execute();
    }
}

void Launcher::externalSelected(const AppLnk *appLnk)
{
    tabs->setBusy(TRUE);
    emit executing( appLnk );
}

void Launcher::properties( AppLnk *appLnk )
{
    if ( appLnk->type() == "Folder" ) { // No tr
  // Not supported: flat is simpler for the user
    } else {
  in_lnk_props = TRUE;
  got_lnk_change = FALSE;
  LnkProperties prop(appLnk);
  connect(&prop, SIGNAL(select(const AppLnk *)), this, SLOT(externalSelected(const AppLnk *)));
  prop.showMaximized();
  prop.exec();
  in_lnk_props = FALSE;
  if ( got_lnk_change ) {
      updateLink(lnk_change);
  }
    }
}

void Launcher::updateLink(const QString& link)
{
    bool notify_sm = false;

    if (link.isNull()) {
  updateTabs();
  notify_sm = true;
    }
    else if (link.isEmpty()) {
  updateDocs();
    }
    else {
  tabs->updateLink(link);
  notify_sm = true;
    }

    if ( notify_sm )
      QCopEnvelope e ( "QPE/TaskBar", "reloadApps()" );
}

void Launcher::systemMessage( const QCString &msg, const QByteArray &data)
{
 QDataStream stream( data, IO_ReadOnly );
    if ( msg == "linkChanged(QString)" ) {
       QString link;
  stream >> link;
  if ( in_lnk_props ) {
      got_lnk_change = TRUE;
      lnk_change = link;
  } else {
      updateLink(link);
  }
    } else if ( msg == "busy()" ) {
  emit busy();
    } else if ( msg == "notBusy(QString)" ) {
  QString app;
  stream >> app;
  tabs->setBusy(FALSE);
  emit notBusy(app);
    } else if ( msg == "mkdir(QString)" ) {
  QString dir;
  stream >> dir;
  if ( !dir.isEmpty() )
      mkdir( dir );
    } else if ( msg == "rdiffGenSig(QString,QString)" ) {
  QString baseFile, sigFile;
  stream >> baseFile >> sigFile;
  QRsync::generateSignature( baseFile, sigFile );
    } else if ( msg == "rdiffGenDiff(QString,QString,QString)" ) {
  QString baseFile, sigFile, deltaFile;
  stream >> baseFile >> sigFile >> deltaFile;
  QRsync::generateDiff( baseFile, sigFile, deltaFile );
    } else if ( msg == "rdiffApplyPatch(QString,QString)" ) {
  QString baseFile, deltaFile;
  stream >> baseFile >> deltaFile;
  if ( !QFile::exists( baseFile ) ) {
      QFile f( baseFile );
      f.open( IO_WriteOnly );
      f.close();
  }
  QRsync::applyDiff( baseFile, deltaFile );
#ifndef QT_NO_COP
  QCopEnvelope e( "QPE/Desktop", "patchApplied(QString)" );
  e << baseFile;
#endif
    } else if ( msg == "rdiffCleanup()" ) {
  mkdir( "/tmp/rdiff" );
  QDir dir;
  dir.setPath( "/tmp/rdiff" );
  QStringList entries = dir.entryList();
  for ( QStringList::Iterator it = entries.begin(); it != entries.end(); ++it )
      dir.remove( *it );
    } else if ( msg == "sendHandshakeInfo()" ) {
  QString home = getenv( "HOME" );
#ifndef QT_NO_COP
  QCopEnvelope e( "QPE/Desktop", "handshakeInfo(QString,bool)" );
  e << home;
  int locked = (int) Desktop::screenLocked();
  e << locked;
#endif
    } else if ( msg == "autoStart(QString)" ) {
        QString appName;
        stream >> appName;
        Config cfg( "autostart" );
        cfg.setGroup( "AutoStart" );
        if ( appName.compare("clear") == 0){
            cfg.writeEntry("Apps", "");
        }
    } else if ( msg == "autoStart(QString,QString)" ) {
        QString modifier, appName;
        stream >> modifier >> appName;
        Config cfg( "autostart" );
        cfg.setGroup( "AutoStart" );
        if ( modifier.compare("add") == 0 ){
            // only add if appname is entered
            if (!appName.isEmpty()) {
                cfg.writeEntry("Apps", appName);
            }
        } else if (modifier.compare("remove") == 0 ) {
            // need to change for multiple entries
            // actually remove is right now simular to clear, but in future there
            // should be multiple apps in autostart possible.
            QString checkName;
            checkName = cfg.readEntry("Apps", "");
            if (checkName == appName) {
                cfg.writeEntry("Apps", "");
            }
        }
        // case the autostart feature should be delayed
    } else if ( msg == "autoStart(QString,QString,QString)") {
         QString modifier, appName, delay;
         stream >> modifier >> appName >> delay;
        Config cfg( "autostart" );
        cfg.setGroup( "AutoStart" );
        if ( modifier.compare("add") == 0 ){
            // only add it appname is entered
            if (!appName.isEmpty()) {
                cfg.writeEntry("Apps", appName);
                cfg.writeEntry("Delay", delay);
            }
        } else {
        }
    }
    /*
     * QtopiaDesktop relies on the major number
     * to start with 1. We're at 0.9
     * so wee need to fake at least 1.4 to be able
     * to sync with QtopiaDesktop1.6
     */
    else if ( msg == "sendVersionInfo()" ) {
  QCopEnvelope e( "QPE/Desktop", "versionInfo(QString)" );
  QString v2 = QString::fromLatin1("1.4");
  e << v2;
  //qDebug("version %s\n", line.latin1());
    } else if ( msg == "sendCardInfo()" ) {
#ifndef QT_NO_COP
  QCopEnvelope e( "QPE/Desktop", "cardInfo(QString)" );
#endif
  const QList<FileSystem> &fs = storage->fileSystems();
  QListIterator<FileSystem> it ( fs );
  QString s;
  QString homeDir = getenv("HOME");
  QString hardDiskHome, hardDiskHomePath;
  for ( ; it.current(); ++it ) {
      int k4 = (*it)->blockSize()/256;
      if ( (*it)->isRemovable() || (*it)->disk() == "/dev/mtdblock6" || (*it)->disk() == "tmpfs") {
    s += (*it)->name() + "=" + (*it)->path() + "/Documents "
         + QString::number( (*it)->availBlocks() * k4/4 )
         + "K " + (*it)->options() + ";";
      } else if ( (*it)->disk() == "/dev/mtdblock1" ||
          (*it)->disk() == "/dev/mtdblock/1" ) {
    s += (*it)->name() + "=" + homeDir + "/Documents "
         + QString::number( (*it)->availBlocks() * k4/4 )
         + "K " + (*it)->options() + ";";
      } else if ( (*it)->name().contains( "Hard Disk") &&
          homeDir.contains( (*it)->path() ) &&
          (*it)->path().length() > hardDiskHomePath.length() ) {
    hardDiskHomePath = (*it)->path();
    hardDiskHome =
        (*it)->name() + "=" + homeDir + "/Documents "
        + QString::number( (*it)->availBlocks() * k4/4 )
        + "K " + (*it)->options() + ";";
      }
  }
  if ( !hardDiskHome.isEmpty() )
      s += hardDiskHome;

#ifndef QT_NO_COP
  e << s;
#endif
    } else if ( msg == "sendSyncDate(QString)" ) {
  QString app;
  stream >> app;
  Config cfg( "qpe" );
  cfg.setGroup("SyncDate");
#ifndef QT_NO_COP
  QCopEnvelope e( "QPE/Desktop", "syncDate(QString,QString)" );
  e  << app  << cfg.readEntry( app );
#endif
  //qDebug("QPE/System sendSyncDate for %s: response %s", app.latin1(),
  //cfg.readEntry( app ).latin1() );
    } else if ( msg == "setSyncDate(QString,QString)" ) {
  QString app, date;
  stream >> app >> date;
  Config cfg( "qpe" );
  cfg.setGroup("SyncDate");
  cfg.writeEntry( app, date );
  //qDebug("setSyncDate(QString,QString) %s %s", app.latin1(), date.latin1());
    } else if ( msg == "startSync(QString)" ) {
  QString what;
  stream >> what;
  delete syncDialog; syncDialog = 0;
  syncDialog = new SyncDialog( this, "syncProgress", FALSE,
             WStyle_Tool | WStyle_Customize |
             Qt::WStyle_StaysOnTop );
  syncDialog->showMaximized();
  syncDialog->whatLabel->setText( "<b>" + what + "</b>" );
  connect( syncDialog->buttonCancel, SIGNAL( clicked() ),
     SLOT( cancelSync() ) );
    } else if ( msg == "stopSync()") {
  delete syncDialog; syncDialog = 0;
    } else if ( msg == "getAllDocLinks()" ) {
  loadDocs();

                // directly show updated docs in document tab
                updateDocs();

                QString contents;

//  Categories cats;
  for ( QListIterator<DocLnk> it( docsFolder->children() ); it.current(); ++it ) {
      DocLnk *doc = it.current();
      QFileInfo fi( doc->file() );
      if ( !fi.exists() )
    continue;

      bool fake = !doc->linkFileKnown();
      if ( !fake ) {
    QFile f( doc->linkFile() );
    if ( f.open( IO_ReadOnly ) ) {
        QTextStream ts( &f );
        ts.setEncoding( QTextStream::UnicodeUTF8 );
        contents += ts.read();
        f.close();
    } else
        fake = TRUE;
      }
      if (fake) {
    contents += "[Desktop Entry]\n";
    contents += "Categories = " + // No tr
//        cats.labels("Document View",doc->categories()).join(";") + "\n"; // No tr
      Qtopia::Record::idsToString( doc->categories() ) + "\n";
    contents += "Name = "+doc->name()+"\n"; // No tr
    contents += "Type = "+doc->type()+"\n"; // No tr
      }
      contents += "File = "+doc->file()+"\n"; // No tr // (resolves path)
      contents += QString("Size = %1\n").arg( fi.size() ); // No tr
  }

  //qDebug( "sending length %d", contents.length() );
#ifndef QT_NO_COP
  QCopEnvelope e( "QPE/Desktop", "docLinks(QString)" );
  e << contents;
#endif

  //qDebug( "================ \n\n%s\n\n===============",
  //contents.latin1() );

  delete docsFolder;
  docsFolder = 0;
#ifdef QWS
    } else if ( msg == "setMouseProto(QString)" ) {
  QString mice;
  stream >> mice;
  setenv("QWS_MOUSE_PROTO",mice.latin1(),1);
  qwsServer->openMouse();
    } else if ( msg == "setKeyboard(QString)" ) {
  QString kb;
  stream >> kb;
  setenv("QWS_KEYBOARD",kb.latin1(),1);
  qwsServer->openKeyboard();
#endif
    }
}

void Launcher::cancelSync()
{
#ifndef QT_NO_COP
    QCopEnvelope e( "QPE/Desktop", "cancelSync()" );
#endif
}

void Launcher::launcherMessage( const QCString &msg, const QByteArray &data)
{
 QDataStream stream( data, IO_ReadOnly );
    if ( msg == "setTabView(QString,int)" ) {
  QString id;
  stream >> id;
  int mode;
  stream >> mode;
  if ( tabs->view(id) )
      tabs->view(id)->setViewMode( (LauncherView::ViewMode)mode );
    } else if ( msg == "setTabBackground(QString,int,QString)" ) {
  QString id;
  stream >> id;
  int mode;
  stream >> mode;
  QString pixmapOrColor;
  stream >> pixmapOrColor;
  if ( tabs->view(id) )
      tabs->view(id)->setBackgroundType( (LauncherView::BackgroundType)mode, pixmapOrColor );
    } else if ( msg == "setTextColor(QString,QString)" ) {
  QString id;
  stream >> id;
  QString color;
  stream >> color;
  if ( tabs->view(id) )
      tabs->view(id)->setTextColor( QColor(color) );
    } else if ( msg == "setFont(QString,QString,int,int,int)" ) {
  QString id;
  stream >> id;
  QString fam;
  stream >> fam;
  int size;
  stream >> size;
  int weight;
  stream >> weight;
  int italic;
  stream >> italic;
  if ( tabs->view(id) )
      if ( !fam. isEmpty ( ))
    tabs->view(id)->setViewFont( QFont(fam, size, weight, italic!=0) );
      else
    tabs->view(id)->unsetViewFont();
  qDebug( "setFont: %s, %d, %d, %d", fam.latin1(), size, weight, italic );
    }
    else if ( msg == "setBusyIndicatorType(QString)" ) {
  QString type;
  stream >> type;
  tabs->setBusyIndicatorType(type);
    }
    else if ( msg == "home()" ) {
  if ( isVisibleWindow( winId ( )))
     nextView ( );
  else
     raise ( );

    }
}

void Launcher::storageChanged()
{
    if ( in_lnk_props ) {
  got_lnk_change = TRUE;
  lnk_change = QString::null;
    } else {
  updateLink( QString::null );
    }
}


bool Launcher::mkdir(const QString &localPath)
{
    QDir fullDir(localPath);
    if (fullDir.exists())
  return true;

    // at this point the directory doesn't exist
    // go through the directory tree and start creating the direcotories
    // that don't exist; if we can't create the directories, return false

    QString dirSeps = "/";
    int dirIndex = localPath.find(dirSeps);
    QString checkedPath;

    // didn't find any seps; weird, use the cur dir instead
    if (dirIndex == -1) {
  //qDebug("No seperators found in path %s", localPath.latin1());
  checkedPath = QDir::currentDirPath();
    }

    while (checkedPath != localPath) {
  // no more seperators found, use the local path
  if (dirIndex == -1)
      checkedPath = localPath;
  else {
      // the next directory to check
      checkedPath = localPath.left(dirIndex) + "/";
      // advance the iterator; the next dir seperator
      dirIndex = localPath.find(dirSeps, dirIndex+1);
  }

  QDir checkDir(checkedPath);
  if (!checkDir.exists()) {
      //qDebug("mkdir making dir %s", checkedPath.latin1());

      if (!checkDir.mkdir(checkedPath)) {
    qDebug("Unable to make directory %s", checkedPath.latin1());
    return FALSE;
      }
  }

    }
    return TRUE;
}

void Launcher::preloadApps()
{
    Config cfg("Launcher");
    cfg.setGroup("Preload");
    QStringList apps = cfg.readListEntry("Apps",',');
    for (QStringList::ConstIterator it=apps.begin(); it!=apps.end(); ++it) {
#ifndef QT_NO_COP
  QCopEnvelope e("QPE/Application/"+(*it).local8Bit(), "enablePreload()");
#endif
    }
}

DocumentTab::DocumentTab( QWidget *parent, int mode, int selector, const QString &dirName, const QString &fileName)
   : OFileSelector(parent,mode,selector,dirName,fileName)
{
   setYesCancelVisible(false);
   setToolbarVisible(false);
   setPermissionBarVisible(false);
   setLineEditVisible(false) ;
  //setChooserVisible( bool chooser );
  
}

DocumentTab::~DocumentTab() {

}