File: dnssdwatcher.cpp

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/* This file is part of the KDE Project
   Copyright (c) 2004 Jakub Stachowski <qbast@go2.pl>

   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 "dnssdwatcher.h"
#include "kdnssdadaptor.h"
#include "watcher.h"

#include <KPluginFactory>

K_PLUGIN_FACTORY(DNSSDWatcherFactory,
                 registerPlugin<DNSSDWatcher>();
    )

DNSSDWatcher::DNSSDWatcher(QObject* parent, const QList<QVariant>&)
: KDEDModule(parent)
{
    QDBusConnection::sessionBus().connect(QString(), QString(),
            QStringLiteral("org.kde.KDirNotify"),
            QStringLiteral("enteredDirectory"),
            this, SLOT(enteredDirectory(QString)));
    QDBusConnection::sessionBus().connect(QString(), QString(),
            QStringLiteral("org.kde.KDirNotify"),
            QStringLiteral("leftDirectory"),
            this, SLOT(leftDirectory(QString)));
    new KdnssdAdaptor( this );
}

QStringList DNSSDWatcher::watchedDirectories()
{
    return watchers.keys();
}


// from ioslave
void DNSSDWatcher::dissect(const QUrl& url,QString& name,QString& type)
{
    type = url.path().section(QChar::fromLatin1('/'),1,1);
    name = url.path().section(QChar::fromLatin1('/'),2,-1);
}



void DNSSDWatcher::enteredDirectory(const QString& _dir)
{
    QUrl dir(_dir);
    if (dir.scheme() != QLatin1String("zeroconf")) {
        return;
    }
    if (watchers.contains(dir.url())) {
        watchers[dir.url()]->refcount++;
    }
    else {
        createNotifier(dir);
    }
}


void DNSSDWatcher::leftDirectory(const QString& _dir)
{
    QUrl dir(_dir);
    if (dir.scheme() != QLatin1String("zeroconf")) {
        return;
    }
    Watcher* watcher = watchers.value(dir.url());
    if (!watcher) {
        return;
    }
    if (watcher->refcount==1) {
        delete watcher;
        watchers.remove(dir.url());
    } else {
        watcher->refcount--;
    }
}


void DNSSDWatcher::createNotifier(const QUrl& url)
{
    QString type,name;
    dissect(url,name,type);
    if (type.isEmpty()) {
        watchers.insert(url.url(), new TypeWatcher());
    }
    else {
        watchers.insert(url.url(), new ServiceWatcher(type));
    }
}

DNSSDWatcher::~DNSSDWatcher()
{
    qDeleteAll( watchers );
}

#include <dnssdwatcher.moc>