kdnssd/kdedmodule/watcher.cpp

   1 /* This file is part of the KDE Project
   2    Copyright (c) 2004 Jakub Stachowski <qbast@go2.pl>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License version 2 as published by the Free Software Foundation.
   7
   8    This library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Library General Public License for more details.
  12
  13    You should have received a copy of the GNU Library General Public License
  14    along with this library; see the file COPYING.LIB.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18
  19 #include "watcher.h"
  20
  21 #include <kdirnotify.h>
  22 #include <dnssd/remoteservice.h>
  23 #include <dnssd/servicebrowser.h>
  24 #include <dnssd/servicetypebrowser.h>
  25
  26 Watcher::Watcher()
  27         : refcount(1), updateNeeded(false)
  28 {
  29 }
  30
  31 ServiceWatcher::ServiceWatcher(const QString& type) : Watcher(), m_type(type)
  32 {
  33         browser = new DNSSD::ServiceBrowser(type);
  34         browser->setParent(this);
  35         connect(browser,SIGNAL(serviceAdded(DNSSD::RemoteService::Ptr)),
  36                 SLOT(scheduleUpdate()));
  37         connect(browser,SIGNAL(serviceRemoved(DNSSD::RemoteService::Ptr)),
  38                 SLOT(scheduleUpdate()));
  39         connect(browser,SIGNAL(finished()),SLOT(finished()));
  40         browser->startBrowse();
  41
  42 }
  43
  44 TypeWatcher::TypeWatcher() : Watcher()
  45 {
  46         typebrowser = new DNSSD::ServiceTypeBrowser();
  47         typebrowser->setParent(this);
  48         connect(typebrowser,SIGNAL(serviceTypeAdded(const QString&)),
  49                 this,SLOT(scheduleUpdate()));
  50         connect(typebrowser,SIGNAL(serviceTypeRemoved(const QString&)),
  51                 this,SLOT(scheduleUpdate()));
  52         connect(typebrowser,SIGNAL(finished()),this,SLOT(finished()));
  53         typebrowser->startBrowse();
  54 }
  55
  56 QString TypeWatcher::constructUrl()
  57 {
  58     return QString("zeroconf:/");
  59 }
  60
  61 QString ServiceWatcher::constructUrl()
  62 {
  63     return QString("zeroconf:/")+m_type+'/';
  64 }
  65
  66 void Watcher::scheduleUpdate()
  67 {
  68         updateNeeded=true;
  69 }
  70
  71 void Watcher::finished()
  72 {
  73         if (updateNeeded) org::kde::KDirNotify::emitFilesAdded( constructUrl() );
  74         updateNeeded=false;
  75 }
  76
  77 #include "watcher.moc"