path: root/core/launcher/launcher.cpp

/**********************************************************************
** Copyright (c) 2002 Holger zecke Freyther
** 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.
**
**********************************************************************/

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

#include <qpe/config.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 <qdatetime.h>
#include <qdir.h>
#include <qwindowsystem_qws.h>
#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 "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"
//#define SHOW_ALL

// uidGen

// uidGen
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;
  }

}


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::addItem( const QString& linkfile )
{
    int i=0;
    AppLnk *app = new AppLnk(linkfile);
    if ( !app->isValid() ) {
  delete app;
  return;
    }
    if ( !app->file().isEmpty() ) {
  // A document
  delete app;
  app = new DocLnk(linkfile);
  ((LauncherView*)(stack->widget(ids.count()-1)))->addItem(app);
  return;
    }
    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++;
  }
    }
}

void CategoryTabWidget::initializeCategories(AppLnkSet* rootFolder,
  AppLnkSet* docFolder, const QList<FileSystem> &fs)
{
    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();

    QStringList types = rootFolder->types();
    for ( QStringList::Iterator it=types.begin(); it!=types.end(); ++it) {
  if ( !(*it).isEmpty() ) {
      newView(*it,rootFolder->typePixmap(*it),rootFolder->typeName(*it));
  }
    }
    QListIterator<AppLnk> it( rootFolder->children() );
    AppLnk* l;
    while ( (l=it.current()) ) {
  if ( l->type() == "Separator" ) {
      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
    docview = newView( QString::null, Resource::loadPixmap("DocsIcon"), tr("Documents"));
    docview->populate( docFolder, QString::null );
    docFolder->detachChildren();
    docview->setFileSystems(fs);
    docview->setToolsEnabled(TRUE);

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

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

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

void CategoryTabWidget::updateDocs(AppLnkSet* docFolder, const QList<FileSystem> &fs)
{
    docview->populate( docFolder, QString::null );
    docFolder->detachChildren();
    docview->setFileSystems(fs);
    docview->updateTools();
}

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 QTab( pm, label ) );
    stack->addWidget( view, tabs++ );
    return view;
}

void CategoryTabWidget::updateLink(const QString& linkfile)
{
    int i=0;
    LauncherView* view;
    while ((view = (LauncherView*)stack->widget(i++))) {
  if ( view->removeLink(linkfile) )
      break;
    }
    addItem(linkfile);
    docview->updateTools();
}

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; i++)
      ((LauncherView*)stack->widget(i))->setBusy(FALSE);
}


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 hiddenTabWidth = -12;
    int middleTab = currentTab();
    int hframe, vframe, overlap;
    style().tabbarMetrics( this, hframe, vframe, overlap );
    QFontMetrics fm = fontMetrics();
    int x = 0;
    QRect r;
    QTab *t;
    int available = width()-1;
    int required = 0;
    for ( int i = 0; i < count(); i++ ) {
  t = tab(i);
  // if (( i < (middleTab - 1) ) || ( i > (middleTab + 1) )) {
  if ( i != middleTab ) {
      // required += hiddenTabWidth + hframe - overlap;
      available -= hiddenTabWidth + hframe - overlap;
      if ( t->iconSet() != 0 )
    available -= t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width();
  } else {
      required += fm.width( t->text() ) + hframe - overlap;
      if ( t->iconSet() != 0 )
    required += t->iconSet()->pixmap( QIconSet::Small, QIconSet::Normal ).width();
  }
    }
    for ( int i = 0; i < count(); i++ ) {
  t = tab(i);
  // if (( i < (middleTab - 1) ) || ( i > (middleTab + 1) )) {
  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 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;

      // t->setRect( QRect(x, 0, w * available/required, h) );
      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
{
#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 );

    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
    );
}


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 );
    tabs->setMaximumWidth( qApp->desktop()->width() );
    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(Q_WS_QWS) && !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 &)) );
#endif

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

    updateTabs();

    preloadApps();

    in_lnk_props = FALSE;
    got_lnk_change = FALSE;
}

Launcher::~Launcher()
{
}

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

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

void Launcher::doMaximize()
{
    QMainWindow::showMaximized();
}

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" )
      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::
{
    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;

    Config mediumCfg( "medium");
    mediumCfg.setGroup("main");
    // a) -zecke we don't want to check
    if(!mediumCfg.readBoolEntry("use", true ) )
      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
    StorageInfo storage;
    const QList<FileSystem> &fileSystems = storage.fileSystems();
    QListIterator<FileSystem> it ( fileSystems );

    // b)
    if( mediumCfg.readBoolEntry("global", true ) ){
      QString mime = configToMime(&mediumCfg).join(";");
      for( ; it.current(); ++it ){
	if( (*it)->isRemovable() ){
	  tmp = new DocLnkSet( (*it)->path(), mime );
	  docsFolder->appendFrom( *tmp );
	  delete tmp;
	}
      } // done
      return; // save the else
    }
    // c) zecke
    for ( ; 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);
	  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();
	      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
	      tmp = new DocLnkSet( (*it)->path(), configToMime(&cfg ).join(";") );
	      docsFolder->appendFrom( *tmp );
	      delete tmp;
	    }
	  }
	}
       }
    }
    m_timeStamp = newStamp;
}

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::select( const AppLnk *appLnk )
{
    if ( appLnk->type() == "Folder" ) {
  // 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" ) {
  // 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)
{
    if (link.isNull())
  updateTabs();
    else if (link.isEmpty())
  updateDocs();
    else
  tabs->updateLink(link);
}

void Launcher::systemMessage( const QCString &msg, const QByteArray &data)
{
    QDataStream stream( data, IO_ReadOnly );
    if ( msg == "closing(QString)" ){
        QString app;
        stream >> app;
        qWarning("app closed %s", app.latin1()  );
        MRUList::removeTask( app );
    }else 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 );
        QCopEnvelope e( "QPE/Desktop", "patchApplied(QString)" );
        e << baseFile;
    } 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" );
        QCopEnvelope e( "QPE/Desktop", "handshakeInfo(QString,bool)" );
        e << home;
        int locked = (int) Desktop::screenLocked();
        e << locked;
        // register an app for autostart
        // if clear is send the list is cleared.
    } 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 {
        }
    } else if ( msg == "sendCardInfo()" ) {
        QCopEnvelope e( "QPE/Desktop", "cardInfo(QString)" );
        const QList<FileSystem> &fs = storage->fileSystems();
        QListIterator<FileSystem> it ( fs );
        QString s;
        QString homeDir = getenv("HOME");
        QString hardDiskHome;
        for ( ; it.current(); ++it ) {
            if ( (*it)->isRemovable() )
                s += (*it)->name() + "=" + (*it)->path() + "/Documents "
                     + QString::number( (*it)->availBlocks() * (*it)->blockSize() )
                     + " " + (*it)->options() + ";";
            else if ( (*it)->disk() == "/dev/mtdblock1" ||
                      (*it)->disk() == "/dev/mtdblock/1" )
                s += (*it)->name() + "=" + homeDir + "/Documents "
                     + QString::number( (*it)->availBlocks() * (*it)->blockSize() )
                     + " " + (*it)->options() + ";";
            else if ( (*it)->name().contains( "Hard Disk") &&
                      homeDir.contains( (*it)->path() ) &&
                      (*it)->path().length() > hardDiskHome.length() )
                hardDiskHome =
                    (*it)->name() + "=" + homeDir + "/Documents "
                    + QString::number( (*it)->availBlocks() * (*it)->blockSize() )
                    + " " + (*it)->options() + ";";
        }
        if ( !hardDiskHome.isEmpty() )
            s += hardDiskHome;

        e << s;
    } else if ( msg == "sendSyncDate(QString)" ) {
        QString app;
        stream >> app;
        Config cfg( "qpe" );
        cfg.setGroup("SyncDate");
        QCopEnvelope e( "QPE/Desktop", "syncDate(QString,QString)" );
        e  << app  << cfg.readEntry( app );
        //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();

        QString contents;

        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 = " + Qtopia::Record::idsToString( doc->categories() ) + "\n";
                contents += "File = "+doc->file()+"\n";
                contents += "Name = "+doc->name()+"\n";
                contents += "Type = "+doc->type()+"\n";
            }
            contents += QString("Size = %1\n").arg( fi.size() );
        }

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

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

        delete docsFolder;
        docsFolder = 0;
    }
}

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

void Launcher::storageChanged()
{
    if ( in_lnk_props ) {
  got_lnk_change = TRUE;
  lnk_change = "";
    } else {
  updateDocs();
    }
}


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) {
  QCopEnvelope e("QPE/Application/"+(*it).local8Bit(), "enablePreload()");
    }
}