lnkproperties.cpp

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/**********************************************************************
** 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 "lnkpropertiesbase_p.h"
#include "lnkproperties.h"
#include "ir.h"

#include <qpe/qpeapplication.h>
#include <qpe/applnk.h>
#include <qpe/global.h>
#include <qpe/categorywidget.h>
#include <qpe/qcopenvelope_qws.h>
#include <qpe/filemanager.h>
#include <qpe/config.h>
#include <qpe/storage.h>
#include <qpe/qpemessagebox.h>
#include <qpe/mimetype.h>

#include <qlineedit.h>
#include <qtoolbutton.h>
#include <qpushbutton.h>
#include <qgroupbox.h>
#include <qcheckbox.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qfile.h>
#include <qdir.h>
#include <qfileinfo.h>
#include <qmessagebox.h>
#include <qsize.h>
#include <qcombobox.h>
#include <qregexp.h>
#include <qbuttongroup.h>

#include <stdlib.h>

LnkProperties::LnkProperties( AppLnk* l, QWidget* parent )
    : QDialog( parent, 0, TRUE ), lnk(l), fileSize( 0 )
{
    setCaption( tr("Properties") );

    QVBoxLayout *vbox = new QVBoxLayout( this );
    d = new LnkPropertiesBase( this );
    vbox->add( d );

    // hide custom rotation feature for now, need a new implementation to fit quicklauch,
    // is confusing for the user and doubtable useful since life rotation
    d->rotate->hide();
    d->rotateButtons->hide();

    d->docname->setText(l->name());
    QString inf;
    if ( l->type().isEmpty() ) {
        d->type->hide();
        d->typeLabel->hide();
    } else {
        d->type->setText( l->type() );
    }

    if ( l->comment().isEmpty() ) {
        d->comment->hide();
        d->commentLabel->hide();
    } else {
        d->comment->setText( l->comment() );
    }

    connect(d->beam,SIGNAL(clicked()),this,SLOT(beamLnk()));
    if ( lnk->type().contains('/') ) { // A document? (#### better predicate needed)
        connect(d->unlink,SIGNAL(clicked()),this,SLOT(unlinkLnk()));
        connect(d->duplicate,SIGNAL(clicked()),this,SLOT(duplicateLnk()));

        d->docname->setReadOnly( FALSE );
        d->preload->hide();
        d->rotate->hide();
        d->rotateButtons->hide();
        d->labelspacer->hide();

        // ### THIS MUST GO, FIX WIERD BUG in QLAYOUT
        d->categoryEdit->kludge();

        d->categoryEdit->setCategories( lnk->categories(),
                                        "Document View",
                                        tr("Document View") );
        setupLocations();
    } else {
        d->unlink->hide();
        d->duplicate->hide();
        d->beam->hide();
        d->hline->hide();
        d->locationLabel->hide();
        d->locationCombo->hide();

        // Can't edit categories, since the app .desktop files are global,
        // possibly read-only.
        d->categoryEdit->hide();

        d->docname->setReadOnly( TRUE );

        if ( l->property("CanFastload") == "0" )
            d->preload->hide();
        if ( !l->property("Rotation"). isEmpty ()) {
            d->rotate->setChecked ( true );
            //don't use rotate buttons for now (see comment above)
            //d->rotateButtons->setButton((l->rotation().toInt()%360)/90);
        }
        else {
            d->rotateButtons->setEnabled(false);
        }

        if ( !l->property( "Arguments" ).isEmpty() )
            d->arguments->setText( l->property( "Arguments" ) );

        Config cfg("Launcher");
        cfg.setGroup("Preload");
        QStringList apps = cfg.readListEntry("Apps",',');
        d->preload->setChecked( apps.contains(l->exec()) );
        if ( Global::isBuiltinCommand(lnk->exec()) )
            d->preload->hide(); // builtins are always fast

        currentLocation = 0; // apps not movable (yet)
    }
}

LnkProperties::~LnkProperties()
{
}

void LnkProperties::unlinkLnk()
{
    if ( QPEMessageBox::confirmDelete( this, tr("Delete"), lnk->name() ) ) {
        lnk->removeFiles();
        if ( QFile::exists(lnk->file()) ) {
            QMessageBox::warning( this, tr("Delete"), tr("File deletion failed.") );
        } else {
            reject();
        }
    }
}

void LnkProperties::setupLocations()
{
    QFileInfo fi( lnk->file() );
    fileSize = fi.size();
    StorageInfo storage;
    const QList<FileSystem> &fs = storage.fileSystems();
    QListIterator<FileSystem> it ( fs );
    QString s;
    QString homeDir = getenv("HOME");
    QString hardDiskHome;
    QString hardDiskPath;
    int index = 0;
    currentLocation = -1;
    for ( ; it.current(); ++it ) {
        // we add 10k to the file size so we are sure we can also save the desktop file
        if ( (ulong)(*it)->availBlocks() * (ulong)(*it)->blockSize() > (ulong)fileSize + 10000 ) {
            if ( (*it)->isRemovable() ||
                 (*it)->disk() == "/dev/mtdblock1" ||
                 (*it)->disk() == "/dev/mtdblock/1" ||
                 (*it)->disk().left(13) == "/dev/mtdblock" ||
                 (*it)->disk() == "/dev/mtdblock6" ||
                 (*it )->disk() == "/dev/root" ||
                 (*it)->disk() == "tmpfs" ) {
                d->locationCombo->insertItem( (*it)->name(), index );
                locations.append( ( ((*it)->isRemovable() ||
                                    (*it)->disk() == "/dev/mtdblock6" ||
                                    (*it)->disk() == "tmpfs" )
                                    ? (*it)->path() : homeDir) );
                if ( lnk->file().contains( (*it)->path() ) ) {
                     d->locationCombo->setCurrentItem( index );
                     currentLocation = index;
                }
                index++;
            } else if ( (*it)->name().contains( tr("Hard Disk") ) &&
                        homeDir.contains( (*it)->path() ) &&
                        (*it)->path().length() > hardDiskHome.length() ) {
                hardDiskHome = (*it)->name();
                hardDiskPath = (*it)->path();
            }
        }
    }
    if ( !hardDiskHome.isEmpty() ) {
        d->locationCombo->insertItem( hardDiskHome );
        locations.append( hardDiskPath );
        if ( currentLocation == -1 ) { // assume it's the hard disk
            d->locationCombo->setCurrentItem( index );
            currentLocation = index;
        }
    }
}

void LnkProperties::duplicateLnk()
{
    // The duplicate takes the new properties.
    DocLnk newdoc( *((DocLnk *)lnk) );
    if ( d->docname->text() == lnk->name() )
        newdoc.setName(tr("Copy of ")+d->docname->text());
    else
        newdoc.setName(d->docname->text());

    if ( !copyFile( newdoc ) ) {
        QMessageBox::warning( this, tr("Duplicate"), tr("File copy failed.") );
        return;
    }
    reject();
}

bool LnkProperties::moveLnk()
{
    DocLnk newdoc( *((DocLnk *)lnk) );
    newdoc.setName(d->docname->text());

    if ( !copyFile( newdoc ) ) {
        QMessageBox::warning( this, tr("Details"), tr("Moving Document failed.") );
        return FALSE;
    }
    // remove old lnk
    lnk->removeFiles();

    return TRUE;
}

void LnkProperties::beamLnk()
{
    Ir ir;
    DocLnk doc( *((DocLnk *)lnk) );
    doc.setName(d->docname->text());
    reject();
    ir.send( doc, doc.comment() );
}

static bool createMimedir(const QString&base,const QString&mimetype)
{
    int pos = 0;
    int stage = 0;
        if (base.length()==0) return FALSE;
    QString _tname = base+"/Documents";
    QDir _dir(_tname+"/"+mimetype);
    if (_dir.exists()) return TRUE;
    pos = mimetype.find("/");
    _dir.setPath(_tname);
    while (stage<2) {
        if (!_dir.exists()) {
            if (!_dir.mkdir(_tname)) {
                qDebug( QString("Creation of dir %1 failed\n").arg(_tname));
                return FALSE;
                }
        }
        switch(stage) {
        case 0:
            _tname+="/"+mimetype.left(pos);
            break;
        case 1:
            _tname+="/"+mimetype.right(pos-1);
            break;
        default:
            break;
        }
        _dir.setPath(_tname);
        ++stage;
    }
    return TRUE;
}

bool LnkProperties::copyFile( DocLnk &newdoc )
{
    const char *linkExtn = ".desktop";
    QString fileExtn;
    int extnPos = lnk->file().findRev( '.' );
    if ( extnPos > 0 )
        fileExtn = lnk->file().mid( extnPos );

    QString safename = newdoc.name();
    safename.replace(QRegExp("/"),"_");

    QString fn = locations[ d->locationCombo->currentItem() ]
                  + "/Documents/" + newdoc.type();
    if (!createMimedir(locations[ d->locationCombo->currentItem() ],newdoc.type())) {
        return FALSE;
    }
    fn+="/"+safename;
    if ( QFile::exists(fn + fileExtn) || QFile::exists(fn + linkExtn) ) {
        int n=1;
        QString nn = fn + "_" + QString::number(n);
        while ( QFile::exists(nn+fileExtn) || QFile::exists(nn+linkExtn) ) {
            n++;
            nn = fn + "_" + QString::number(n);
        }
        fn = nn;
    }
    newdoc.setFile( fn + fileExtn );
    newdoc.setLinkFile( fn + linkExtn );

    // Copy file
    FileManager fm;
    if ( !fm.copyFile( *lnk, newdoc ) )
        return FALSE;
    return TRUE;
}

void LnkProperties::done(int ok)
{
    if ( ok ) {
        bool changed=FALSE;
        bool reloadMime=FALSE;

        if ( lnk->name() != d->docname->text() ) {
            lnk->setName(d->docname->text());
            changed=TRUE;
        }
        if ( d->categoryEdit->isVisible() ) {
            QArray<int> tmp = d->categoryEdit->newCategories();
            if ( lnk->categories() != tmp ) {
                lnk->setCategories( tmp );
                changed = TRUE;
            }
        }
        if ( !d->rotate->isHidden()) {
            QString newrot;

            if ( d->rotate->isChecked() ) {
                int rot=0;
                for(; rot<4; rot++) {
                    if (d->rotateButtons->find(rot)->isOn())
                        break;
                }
                newrot = QString::number((rot*90)%360);
            }
            if ( newrot != lnk->rotation() ) {
                lnk-> setRotation(newrot);
                changed = TRUE;
                reloadMime = TRUE;
            }
        }
    if ( d->arguments->text() != lnk->property( "Arguments" ) ) {
        lnk->setProperty( "Arguments", d->arguments->text() );
        changed = TRUE;
    }
        if ( d->preload->isHidden() && d->locationCombo->currentItem() != currentLocation ) {
            moveLnk();
        } else if ( changed ) {
            lnk->writeLink();
        }

        if ( !d->preload->isHidden() ) {
            Config cfg("Launcher");
            cfg.setGroup("Preload");
            QStringList apps = cfg.readListEntry("Apps",',');
            QString exe = lnk->exec();
            if ( apps.contains(exe) != d->preload->isChecked() ) {
                if ( d->preload->isChecked() ) {
                    apps.append(exe);
#ifndef QT_NO_COP
                    QCopEnvelope e("QPE/Application/"+exe.local8Bit(),
                                   "enablePreload()");
#endif
                } else {
                    apps.remove(exe);
#ifndef QT_NO_COP
                    QCopEnvelope e("QPE/Application/"+exe.local8Bit(),
                                   "quitIfInvisible()");
#endif
                }
                cfg.writeEntry("Apps",apps,',');
            }
        }
        if ( reloadMime )
            MimeType::updateApplications ( );
    }
    QDialog::done( ok );
}

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