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path: root/kicker/applets/media/mediaapplet.cpp
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/* This file is part of the KDE project
   Copyright (c) 2004 Kevin Ottens <ervin ipsquad net>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include <kglobal.h>
#include <klocale.h>
#include <tdeconfig.h>
#include <kapplication.h>
#include <kaboutdata.h>
#include <kaboutapplication.h>
#include <kdebug.h>
#include <kpopupmenu.h>
#include <kiconloader.h>

#include "mediaapplet.h"

#include "preferencesdialog.h"

extern "C"
{
    KDE_EXPORT KPanelApplet* init( TQWidget *parent, const TQString configFile)
    {
        TDEGlobal::locale()->insertCatalogue("mediaapplet");
        return new MediaApplet(configFile, KPanelApplet::Normal,
            KPanelApplet::About | KPanelApplet::Preferences,
            parent, "mediaapplet");
    }
}

MediaApplet::MediaApplet(const TQString& configFile, Type type, int actions, TQWidget *parent, const char *name)
    : KPanelApplet(configFile, type, actions, parent, name),
    mButtonSizeSum(0)
{
    if (!parent)
        setBackgroundMode(X11ParentRelative);
        
    setBackgroundOrigin(AncestorOrigin);
    
    setAcceptDrops(true);
    
    loadConfig();
    
    mpDirLister = new KDirLister();
    
    connect( mpDirLister, TQT_SIGNAL( clear() ),
            this, TQT_SLOT( slotClear() ) );
    connect( mpDirLister, TQT_SIGNAL( started(const KURL&) ),
            this, TQT_SLOT( slotStarted(const KURL&) ) );
    connect( mpDirLister, TQT_SIGNAL( completed() ),
            this, TQT_SLOT( slotCompleted() ) );
    connect( mpDirLister, TQT_SIGNAL( newItems( const KFileItemList & ) ),
            this, TQT_SLOT( slotNewItems( const KFileItemList & ) ) );
    connect( mpDirLister, TQT_SIGNAL( deleteItem( KFileItem * ) ),
            this, TQT_SLOT( slotDeleteItem( KFileItem * ) ) );
    connect( mpDirLister, TQT_SIGNAL( refreshItems( const KFileItemList & ) ),
            this, TQT_SLOT( slotRefreshItems( const KFileItemList & ) ) );
    
    reloadList();
}

MediaApplet::~MediaApplet()
{
    delete mpDirLister;
    
    while (!mButtonList.isEmpty())
    {
        MediumButton *b = mButtonList.first();
        mButtonList.remove(b);
        delete b;
    }
    
    TDEGlobal::locale()->removeCatalogue("mediaapplet");
}

void MediaApplet::about()
{
    TDEAboutData data("mediaapplet",
                    I18N_NOOP("Media Applet"),
                    "1.0",
                    I18N_NOOP("\"media:/\" ioslave frontend applet"),
                    TDEAboutData::License_GPL_V2,
                    "(c) 2004, Kevin Ottens");
    
    data.addAuthor("Kevin \'ervin\' Ottens",
                    I18N_NOOP("Maintainer"),
                    "ervin ipsquad net",
                    "http://ervin.ipsquad.net");
    
    data.addCredit("Joseph Wenninger",
                    I18N_NOOP("Good mentor, patient and helpful. Thanks for all!"),
                    "jowenn@kde.org");
    
    KAboutApplication dialog(&data);
    dialog.exec();
}

void MediaApplet::preferences()
{
    PreferencesDialog dialog(mMedia);
    
    dialog.setExcludedMediumTypes(mExcludedTypesList);
    dialog.setExcludedMedia(mExcludedList);
    
    if(dialog.exec())
    {
        mExcludedTypesList = dialog.excludedMediumTypes();
        mExcludedList = dialog.excludedMedia();
        saveConfig();
        reloadList();
    }
}

int MediaApplet::widthForHeight( int /*height*/ ) const
{
    return mButtonSizeSum;
}

int MediaApplet::heightForWidth( int /*width*/ ) const
{
    return mButtonSizeSum;
}

void MediaApplet::resizeEvent( TQResizeEvent *)
{
    arrangeButtons();
}

void MediaApplet::arrangeButtons()
{
    int button_size = 1;
    int x_offset = 0;
    int y_offset = 0;
    
    // Determine upper bound for the button size
    MediumButtonList::iterator it;
    MediumButtonList::iterator end = mButtonList.end();
    for ( it = mButtonList.begin(); it != end; ++it )
    {
        MediumButton *button = *it;
        
        button_size = std::max(button_size,
                            orientation() == Qt::Vertical ?
                    button->heightForWidth(width()) :
                button->widthForHeight(height()) );
    //		                           button->widthForHeight(height()) :
    //		                           button->heightForWidth(width()) );
    }
    
    int kicker_size;
    if (orientation() == Qt::Vertical)
    {
        kicker_size = width();
    }
    else
    {
        kicker_size = height();
    }
    
    unsigned int max_packed_buttons = kicker_size / button_size;
    // Center icons if we only have one column/row
    if (mButtonList.count() < max_packed_buttons)
    {
        max_packed_buttons = TQMAX(uint(1), mButtonList.count());
    }
            max_packed_buttons = TQMAX(uint(1), max_packed_buttons);
    
    int padded_button_size = kicker_size / max_packed_buttons;
    mButtonSizeSum = 0;
    unsigned int pack_count = 0;
    
    // Arrange the buttons. If kicker is more than twice as high/wide
    // as the maximum preferred size of an icon, we put several icons
    // in one column/row
    for ( it = mButtonList.begin(); it != end; ++it )
    {
        MediumButton *button = *it;
    
        button->move(x_offset, y_offset);
        button->setPanelPosition(position());
    
        if(pack_count == 0)
        {
        mButtonSizeSum += button_size;
        }
        
        ++pack_count;
    
        if(orientation() == Qt::Vertical)
                    {
        if (pack_count < max_packed_buttons)
        {
            x_offset += padded_button_size;
        }
        else
        {
            x_offset = 0;
            y_offset += button_size;
            pack_count = 0;
        }
        
        button->resize(padded_button_size, button_size);
        }
        else
        {
        if (pack_count < max_packed_buttons)
        {
            y_offset += padded_button_size;
                            }
        else
        {
            y_offset = 0;
            x_offset += button_size;
            pack_count = 0;
        }
        
        button->resize(button_size, padded_button_size);
        }
        
        button->unsetPalette();
        button->setBackgroundOrigin(AncestorOrigin);
    }
    
    updateGeometry();
    emit updateLayout();
}

void MediaApplet::slotClear()
{
    kdDebug()<<"MediaApplet::slotClear"<<endl;
    
    while (!mButtonList.isEmpty())
    {
        MediumButton *b = mButtonList.first();
        mButtonList.remove(b);
        delete b;
    }
    
    arrangeButtons();
}

void MediaApplet::slotStarted(const KURL &/*url*/)
{
}

void MediaApplet::slotCompleted()
{
    mMedia = mpDirLister->items(KDirLister::AllItems);
}

void MediaApplet::slotNewItems(const KFileItemList &entries)
{
    kdDebug()<<"MediaApplet::slotNewItems"<<endl;
    
    for(KFileItemListIterator it(entries); it.current(); ++it)
    {
        kdDebug() << "item: " << it.current()->url() << endl;
    
        bool found = false;
        MediumButtonList::iterator it2;
        MediumButtonList::iterator end = mButtonList.end();
        for ( it2 = mButtonList.begin(); it2 != end; ++it2 )
        {
        MediumButton *button = *it2;
        
        if(button->fileItem().url()==it.current()->url())
        {
            found = true;
            button->setFileItem(*it.current());
            break;
        }
        }
        
        if(!found && !mExcludedList.contains(it.current()->url().url()) )
        {
        MediumButton *button = new MediumButton(this, *it.current());
        button->show();
        mButtonList.append(button);
        }
    }
    
    arrangeButtons();
}

void MediaApplet::slotDeleteItem(KFileItem *fileItem)
{
    kdDebug()<<"MediumApplet::slotDeleteItem:"<< fileItem->url() << endl;
    
    MediumButtonList::iterator it;
    MediumButtonList::iterator end = mButtonList.end();
    for ( it = mButtonList.begin(); it != end; ++it )
    {
        MediumButton *button = *it;
        
        if(button->fileItem().url()==fileItem->url())
        {
        mButtonList.remove(button);
        delete button;
        break;
        }
    }
    slotCompleted();
    arrangeButtons();
}

void MediaApplet::slotRefreshItems(const KFileItemList &entries)
{
    for(KFileItemListIterator it(entries); it.current(); ++it)
    {
        kdDebug()<<"MediaApplet::slotRefreshItems:"<<(*it.current()).url().url()<<endl;
    
        TQString mimetype = (*it.current()).mimetype();
        bool found = false;
    
        kdDebug()<<"mimetype="<<mimetype<<endl;
    
        MediumButtonList::iterator it2;
        MediumButtonList::iterator end = mButtonList.end();
        for ( it2 = mButtonList.begin(); it2 != end; ++it2 )
        {
        MediumButton *button = *it2;
        
        if(button->fileItem().url()==(*it.current()).url())
        {
            if(mExcludedTypesList.contains(mimetype))
            {
            mButtonList.remove(button);
            delete button;
            }
            else
            {
            button->setFileItem(*it.current());
            }
            found = true;
            break;
        }
        }
    
        if(!found && !mExcludedTypesList.contains(mimetype) && !mExcludedList.contains(it.current()->url().url()) )
        {
        MediumButton *button = new MediumButton(this, *it.current());
        button->show();
        mButtonList.append(button);
        }
    }
    
    arrangeButtons();
}

void MediaApplet::positionChange(Position)
{
    arrangeButtons();
}

void MediaApplet::loadConfig()
{
    TDEConfig *c = config();
    c->setGroup("General");
    
    if(c->hasKey("ExcludedTypes"))
    {
        mExcludedTypesList = c->readListEntry("ExcludedTypes",';');
    }
    else
    {
        mExcludedTypesList.clear();
        mExcludedTypesList << "media/hdd_mounted";
        mExcludedTypesList << "media/hdd_unmounted";
        mExcludedTypesList << "media/nfs_mounted";
        mExcludedTypesList << "media/nfs_unmounted";
        mExcludedTypesList << "media/smb_mounted";
        mExcludedTypesList << "media/smb_unmounted";
    }
    
    if(c->hasKey("ExcludedMedia"))
    {
        mExcludedList = c->readListEntry("ExcludedMedia",';');
    }
    else
    {
        mExcludedList.clear();
    }
}

void MediaApplet::saveConfig()
{
    TDEConfig *c = config();
    c->setGroup("General");
    
    c->writeEntry("ExcludedTypes", mExcludedTypesList, ';');
    c->writeEntry("ExcludedMedia", mExcludedList, ';');
    
    c->sync();
}

void MediaApplet::reloadList()
{
    mpDirLister->stop();
    
    while (!mButtonList.isEmpty())
    {
        MediumButton *b = mButtonList.first();
        mButtonList.remove(b);
        delete b;
    }
    
    mpDirLister->clearMimeFilter();
    mpDirLister->setMimeExcludeFilter(mExcludedTypesList);
    mpDirLister->openURL(KURL("media:/"));
}

void MediaApplet::mousePressEvent(TQMouseEvent *e)
{
    if(e->button()==Qt::RightButton)
    {
        KPopupMenu menu(this);
    
        menu.insertTitle(i18n("Media"));
        menu.insertItem(SmallIcon("configure"), i18n("&Configure..."), 1);
    
        int choice = menu.exec(this->mapToGlobal(e->pos()));
    
        if(choice==1)
        {
            preferences();
        }
    }
}

#include "mediaapplet.moc"