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path: root/tdeioslave/media/mediamanager/mediamanager.cpp
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/* This file is part of the KDE Project
   Copyright (c) 2004 Kévin 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 version 2 as published by the Free Software Foundation.

   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 "mediamanager.h"

#include <config.h>
#include <tqtimer.h>

#include <kdebug.h>
#include <tdeglobal.h>
#include <tdelocale.h>

#include <kdirnotify_stub.h>
#include <kstandarddirs.h>

#include "mediamanagersettings.h"

#include "fstabbackend.h"

#ifdef COMPILE_TDEHARDWAREBACKEND
#include "tdehardwarebackend.h"
#endif // COMPILE_TDEHARDWAREBACKEND

#ifdef COMPILE_LINUXCDPOLLING
#include "linuxcdpolling.h"
#endif //COMPILE_LINUXCDPOLLING

MediaManager::MediaManager(const TQCString &obj)
    : KDEDModule(obj), m_dirNotify(m_mediaList)
{
    connect( &m_mediaList, TQT_SIGNAL(mediumAdded(const TQString&, const TQString&, bool)),
             TQT_SLOT(slotMediumAdded(const TQString&, const TQString&, bool)) );
    connect( &m_mediaList, TQT_SIGNAL(mediumRemoved(const TQString&, const TQString&, bool)),
             TQT_SLOT(slotMediumRemoved(const TQString&, const TQString&, bool)) );
    connect( &m_mediaList,
             TQT_SIGNAL(mediumStateChanged(const TQString&, const TQString&, bool, bool)),
             TQT_SLOT(slotMediumChanged(const TQString&, const TQString&, bool, bool)) );

    TQTimer::singleShot( 10, this, TQT_SLOT( loadBackends() ) );
}

MediaManager::~MediaManager()
{
    while ( !m_backends.isEmpty() )
    {
        BackendBase *b = m_backends.first();
        m_backends.remove( b );
        delete b;
    }
}

void MediaManager::loadBackends()
{
    m_mediaList.blockSignals(true);

    while ( !m_backends.isEmpty() )
    {
        BackendBase *b = m_backends.first();
        m_backends.remove( b );
        delete b;
    }

    mp_removableBackend = 0L;
    m_tdebackend = 0L;
    m_fstabbackend = 0L;

#ifdef COMPILE_TDEHARDWAREBACKEND
    if ( MediaManagerSettings::self()->tdeHardwareBackendEnabled() )
    {
        m_mediaList.blockSignals(false);
        m_tdebackend = new TDEBackend(m_mediaList, this);
        m_backends.append( m_tdebackend );
        m_fstabbackend = new FstabBackend(m_mediaList, true);
        m_backends.append( m_fstabbackend );
        // No need to load something else...
        m_mediaList.blockSignals(false);
        return;
    }
#endif // COMPILE_TDEHARDWAREBACKEND

    mp_removableBackend = new RemovableBackend(m_mediaList);
    m_backends.append( mp_removableBackend );

#ifdef COMPILE_LINUXCDPOLLING
    if ( MediaManagerSettings::self()->cdPollingEnabled() )
    {
        m_backends.append( new LinuxCDPolling(m_mediaList) );
    }
#endif //COMPILE_LINUXCDPOLLING

    m_fstabbackend = new FstabBackend(m_mediaList);
    m_backends.append( m_fstabbackend );
    m_mediaList.blockSignals(false);
}

const Medium* MediaManager::getMediumByName(const TQString &name)
{
    const Medium *m = m_mediaList.findByName(name);
    if (!m)
    {
        KURL u(name);
        kdDebug() << "Media::getMediumByName " << name << " " << u.isValid() << endl;
        if (u.isValid())
        {
            if (u.protocol() == "system")
            {
                TQString path = u.path();
                if (path.startsWith("/media/"))
                {
                    path = path.mid(strlen("/media/"));
                }
                m = m_mediaList.findByName(path);
                kdDebug() << "findByName " << path << m << endl;
            }
            else if (u.protocol() == "media")
            {
                m = m_mediaList.findByName(u.filename());
                kdDebug() << "findByName " << u.filename() << m << endl;
            }
            else if (u.protocol() == "file")
            {
                // look for the mount point
                TQPtrList<Medium> list = m_mediaList.list();
                TQPtrList<Medium>::const_iterator it = list.begin();
                TQPtrList<Medium>::const_iterator end = list.end();
                TQString path;

                for (; it!=end; ++it)
                {
                    path = TDEStandardDirs::realFilePath(u.path());
                    kdDebug() << "comparing " << (*it)->mountPoint()  << " " << path << " " <<  (*it)->deviceNode() << endl;
                    if ((*it)->mountPoint() == path || (*it)->deviceNode() == path)
                    {
                        m = *it;
                        break;
                    }
                }
            }
        }
    }
    return m;
}

TQStringList MediaManager::fullList()
{
    TQPtrList<Medium> list = m_mediaList.list();

    TQStringList result;

    TQPtrList<Medium>::const_iterator it = list.begin();
    TQPtrList<Medium>::const_iterator end = list.end();
    for (; it!=end; ++it)
    {
        result+= (*it)->properties();
        result+= Medium::SEPARATOR;
    }

    return result;
}

TQStringList MediaManager::properties(const TQString &name)
{
    const Medium *m = getMediumByName(name);
    if (m)
		{
        return m->properties();
    }
    else
		{
        return TQStringList();
    }
}

TQStringList MediaManager::mountoptions(const TQString &name)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->mountoptions(name);
	}
#endif
	return TQStringList();
}

bool MediaManager::setMountoptions(const TQString &name, const TQStringList &options)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->setMountoptions(name, options);
	}
#endif
	return false;
}

TQStringVariantMap MediaManager::mount(const TQString &uid)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->mount(uid);
	}
#else
	if (m_fstabbackend)
	{
		return m_fstabbackend->mount(uid);
	}
#endif
	TQStringVariantMap result;
	result["errStr"] = i18n("Feature only available with the TDE hardware or fstab backend");
	result["result"] = false;
	return result;
}

TQStringVariantMap MediaManager::unmount(const TQString &uid)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->unmount(uid);
	}
#else
	if (m_fstabbackend)
	{
		return m_fstabbackend->unmount(uid);
	}
#endif
	TQStringVariantMap result;
	result["errStr"] = i18n("Feature only available with the TDE hardware or fstab backend");
	result["result"] = false;
	return result;
}

TQStringVariantMap MediaManager::unlock(const TQString &uid, const TQString &password)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->unlock(uid, password);
	}
#endif
	TQStringVariantMap result;
	result["errStr"] = i18n("Feature only available with the TDE hardware backend");
	result["result"] = false;
	return result;
}

TQStringVariantMap MediaManager::lock(const TQString &uid, bool releaseHolders)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->lock(uid, releaseHolders);
	}
#endif
	TQStringVariantMap result;
	result["errStr"] = i18n("Feature only available with the TDE hardware backend");
	result["result"] = false;
	return result;
}

TQStringVariantMap MediaManager::eject(const TQString &uid)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->eject(uid);
	}
#endif
	TQStringVariantMap result;
	result["errStr"] = i18n("Feature only available with the TDE hardware backend");
	result["result"] = false;
	return result;
}

TQStringVariantMap MediaManager::safeRemove(const TQString &uid)
{
#ifdef COMPILE_TDEHARDWAREBACKEND
	if (m_tdebackend)
	{
		return m_tdebackend->safeRemove(uid);
	}
#endif
	TQStringVariantMap result;
	result["errStr"] = i18n("Feature only available with the TDE hardware backend");
	result["result"] = false;
	return result;
}

TQStringVariantMap MediaManager::mountByNode(const TQString &deviceNode)
{
	const Medium *medium = m_mediaList.findByNode(deviceNode);
	if (!medium) {
		TQStringVariantMap result;
		result["errStr"] = i18n("No such medium: %1").arg(deviceNode);
		result["result"] = false;
		return result;
	}
	return mount(medium->id());
}

TQStringVariantMap MediaManager::unmountByNode(const TQString &deviceNode)
{
	const Medium *medium = m_mediaList.findByNode(deviceNode);
	if (!medium) {
		TQStringVariantMap result;
		result["errStr"] = i18n("No such medium: %1").arg(deviceNode);
		result["result"] = false;
		return result;
	}
	return unmount(medium->id());
}

TQStringVariantMap MediaManager::unlockByNode(const TQString &deviceNode, const TQString &password)
{
	const Medium *medium = m_mediaList.findByNode(deviceNode);
	if (!medium) {
		TQStringVariantMap result;
		result["errStr"] = i18n("No such medium: %1").arg(deviceNode);
		result["result"] = false;
		return result;
	}
	return unlock(medium->id(), password);
}

TQStringVariantMap MediaManager::lockByNode(const TQString &deviceNode, bool releaseHolders)
{
	const Medium *medium = m_mediaList.findByNode(deviceNode);
	if (!medium) {
		TQStringVariantMap result;
		result["errStr"] = i18n("No such medium: %1").arg(deviceNode);
		result["result"] = false;
		return result;
	}
	return lock(medium->id(), releaseHolders);
}

TQStringVariantMap MediaManager::ejectByNode(const TQString &deviceNode)
{
	const Medium *medium = m_mediaList.findByNode(deviceNode);
	if (!medium) {
		TQStringVariantMap result;
		result["errStr"] = i18n("No such medium: %1").arg(deviceNode);
		result["result"] = false;
		return result;
	}
	return eject(medium->id());
}

TQStringVariantMap MediaManager::safeRemoveByNode(const TQString &deviceNode)
{
	const Medium *medium = m_mediaList.findByNode(deviceNode);
	if (!medium) {
		TQStringVariantMap result;
		result["errStr"] = i18n("No such medium: %1").arg(deviceNode);
		result["result"] = false;
		return result;
	}
	return safeRemove(medium->id());
}

TQString MediaManager::mimeType(const TQString &name)
{
    const Medium *m = getMediumByName(name);
    if (m)
    {
        return m->mimeType();
    }
    else
    {
        return TQString::null;
    }
}

TQString MediaManager::nameForLabel(const TQString &label)
{
    const TQPtrList<Medium> media = m_mediaList.list();

    TQPtrList<Medium>::const_iterator it = media.begin();
    TQPtrList<Medium>::const_iterator end = media.end();
    for (; it!=end; ++it)
    {
        const Medium *m = *it;

        if (m->prettyLabel()==label)
        {
            return m->name();
        }
    }

    return TQString::null;
}

ASYNC MediaManager::setUserLabel(const TQString &name, const TQString &label)
{
    m_mediaList.setUserLabel(name, label);
}

ASYNC MediaManager::reloadBackends()
{
    MediaManagerSettings::self()->readConfig();
    loadBackends();
}

bool MediaManager::removablePlug(const TQString &devNode, const TQString &label)
{
    if (mp_removableBackend)
    {
        return mp_removableBackend->plug(devNode, label);
    }
    return false;
}

bool MediaManager::removableUnplug(const TQString &devNode)
{
    if (mp_removableBackend)
    {
        return mp_removableBackend->unplug(devNode);
    }
    return false;
}

bool MediaManager::removableCamera(const TQString &devNode)
{
    if (mp_removableBackend)
    {
        return mp_removableBackend->camera(devNode);
    }
    return false;
}


void MediaManager::slotMediumAdded(const TQString &/*id*/, const TQString &name,
                                   bool allowNotification)
{
    kdDebug(1219) << "MediaManager::slotMediumAdded: " << name << endl;

    KDirNotify_stub notifier("*", "*");
    notifier.FilesAdded( KURL("media:/") );

    emit mediumAdded(name, allowNotification);
    emit mediumAdded(name);
}

void MediaManager::slotMediumRemoved(const TQString &/*id*/, const TQString &name,
                                     bool allowNotification)
{
    kdDebug(1219) << "MediaManager::slotMediumRemoved: " << name << endl;

    KDirNotify_stub notifier("*", "*");
    notifier.FilesRemoved( KURL("media:/"+name) );

    emit mediumRemoved(name, allowNotification);
    emit mediumRemoved(name);
}

void MediaManager::slotMediumChanged(const TQString &/*id*/, const TQString &name,
                                     bool mounted, bool allowNotification)
{
    kdDebug(1219) << "MediaManager::slotMediumChanged: " << name << endl;

    KDirNotify_stub notifier("*", "*");
    notifier.FilesChanged( KURL("media:/"+name) );

    emit mediumChanged(name, allowNotification);
    emit mediumChanged(name);
}


extern "C" {
    KDE_EXPORT KDEDModule *create_mediamanager(const TQCString &obj)
    {
        TDEGlobal::locale()->insertCatalogue("tdeio_media");
        return new MediaManager(obj);
    }
}

#include "mediamanager.moc"