/*
                             This file is part of the OPIE Project
               =.            Copyright (c)  2002 Trolltech AS <info@trolltech.com>
             .=l.            Copyright (c)  2002 Robert Griebl <sandman@handhelds.org>
           .>+-=
 _;:,     .>    :=|.         This file is free software; you can
.> <`_,   >  .   <=          redistribute it and/or modify it under
:`=1 )Y*s>-.--   :           the terms of the GNU General Public
.="- .-=="i,     .._         License as published by the Free Software
 - .   .-<_>     .<>         Foundation; either version 2 of the License,
     ._= =}       :          or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s.       This file 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 General
..}^=.=       =       ;      Public License for more details.
++=   -.     .`     .:
 :     =  ...= . :.=-        You should have received a copy of the GNU
 -.   .:....=;==+<;          General Public License along with this file;
  -_. . .   )=.  =           see the file COPYING. If not, write to the
    --        :-=`           Free Software Foundation, Inc.,
                             59 Temple Place - Suite 330,
                             Boston, MA 02111-1307, USA.

*/

#include "taskbarsettings.h"

/* OPIE */
#include <qpe/config.h>
#include <qpe/qlibrary.h>
#include <qpe/qpeapplication.h>
#include <qpe/taskbarappletinterface.h>
#include <qpe/qcopenvelope_qws.h>
#include <opie2/odebug.h>

/* QT */
#include <qdir.h>
#include <qlistview.h>
#include <qheader.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qwhatsthis.h>

/* STD */
#include <stdlib.h>


TaskbarSettings::TaskbarSettings ( QWidget *parent, const char *name )
    : QWidget ( parent, name )
{
    m_applets_changed = false;

    QBoxLayout *lay = new QVBoxLayout ( this, 4, 4 );

    QLabel *l = new QLabel ( tr( "Load applets in Taskbar:" ), this );
    lay-> addWidget ( l );

    m_list = new QListView ( this );
    m_list-> addColumn ( "foobar" );
    m_list-> header ( )-> hide ( );

    lay-> addWidget ( m_list );

    QWhatsThis::add ( m_list, tr( "Check the applets that you want displayed in the Taskbar." ));

    connect ( m_list, SIGNAL( clicked(QListViewItem*)), this, SLOT( appletChanged()));

    init ( );
}

void TaskbarSettings::init ( )
{
    Config cfg ( "Taskbar" );
    cfg. setGroup ( "Applets" );
    QStringList exclude = cfg. readListEntry ( "ExcludeApplets", ',' );

    QString path = QPEApplication::qpeDir ( ) + "plugins/applets";
#ifdef Q_OS_MACX
    QStringList list = QDir ( path, "lib*.dylib" ). entryList ( );
#else
    QStringList list = QDir ( path, "lib*.so" ). entryList ( );
#endif /* Q_OS_MACX */

    for ( QStringList::Iterator it = list. begin ( ); it != list. end ( ); ++it ) {
        QString name;
        QPixmap icon;
        TaskbarNamedAppletInterface *iface = 0;

        owarn << "Load applet: " << (*it) << "" << oendl;
        QLibrary *lib = new QLibrary ( path + "/" + *it );
	QRESULT retVal = QS_OK;
        if ((retVal = lib-> queryInterface ( IID_TaskbarNamedApplet, (QUnknownInterface**)(&iface) )) != QS_OK)
	    owarn << "<0>" << oendl;
        owarn << "<1>" << oendl;
        if ( iface ) {
            owarn << "<2>" << oendl;
            QString lang = getenv( "LANG" );
            QTranslator *trans = new QTranslator ( qApp );
            QString type = (*it). left ((*it). find ("."));
            QString tfn = QPEApplication::qpeDir ( ) + "i18n/" + lang + "/" + type + ".qm";
            if ( trans-> load ( tfn ))
                qApp-> installTranslator ( trans );
            else
                delete trans;
            name = iface-> name ( );
            icon = iface-> icon ( );
            iface-> release ( );
        }
        owarn << "<3>" << oendl;
        if ( !iface ) {
            owarn << "<4>" << oendl;
            if ((retVal = lib-> queryInterface ( IID_TaskbarApplet, (QUnknownInterface**)(&iface))) != QS_OK)
		owarn << "<5>" << oendl;

            if ( iface ) {
                owarn << "<6>" << oendl;
                name = (*it). mid ( 3 );
                owarn << "Found applet: " << name << "" << oendl;
#ifdef Q_OS_MACX
                int sep = name. find( ".dylib" );
#else
                int sep = name. find( ".so" );
#endif /* Q_OS_MACX */
                if ( sep > 0 )
                    name. truncate ( sep );
                sep = name. find ( "applet" );
                if ( sep == (int) name.length ( ) - 6 )
                    name. truncate ( sep );
                name[0] = name[0]. upper ( );
                iface-> release ( );
            }
        }
        owarn << "<7>" << oendl;

        if ( iface ) {
            owarn << "<8>" << oendl;
            QCheckListItem *item;
            item = new QCheckListItem ( m_list, name, QCheckListItem::CheckBox );
            if ( !icon. isNull ( ))
                item-> setPixmap ( 0, icon );
            item-> setOn ( exclude. find ( *it ) == exclude. end ( ));
            m_applets [*it] = item;
        }
        lib-> unload ( );
        delete lib;
    }
}

void TaskbarSettings::appletChanged()
{
    m_applets_changed = true;
}

void TaskbarSettings::accept ( )
{
    Config cfg ( "Taskbar" );
    cfg. setGroup ( "Applets" );

    if ( m_applets_changed ) {
        QStringList exclude;
        QMap <QString, QCheckListItem *>::Iterator it;
        for ( it = m_applets. begin ( ); it != m_applets. end ( ); ++it ) {
            if ( !(*it)-> isOn ( ))
                exclude << it. key ( );
        }
        cfg. writeEntry ( "ExcludeApplets", exclude, ',' );
    }
    cfg. writeEntry ( "SafeMode", false );
    cfg. write ( );

    if ( m_applets_changed ) {
        QCopEnvelope e ( "QPE/TaskBar", "reloadApplets()" );
        m_applets_changed = false;
    }
}