/***************************************************************************

                          susehwitemhandler.cpp  -  description
                             -------------------
    copyright            : (C) 2002 SUSE AG
    email                : Oliver.Ries@suse.de
 ***************************************************************************/

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

#include "susehwitemhandler.h"
#include <kdirwatch.h>
#include <kdesktopfile.h>
#include <kstandarddirs.h>
#include <kicontheme.h>
#include <klocale.h>
#include <kdialog.h>
#include <kiconloader.h>
#include <kmessagebox.h>
#include <kdebug.h>

#include <qfile.h>
#include <qdir.h>
#include <qregexp.h>
#include <qgroupbox.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qcheckbox.h>
#include <qbuttongroup.h>
#include <qtooltip.h>
#include <kapplication.h>
#include <dcopclient.h>
#include <qpushbutton.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
#include <mntent.h>
#include <dcopref.h>

#include <hal/libhal.h>
#include <dbus/dbus-qt.h>
#include <dbus/connection.h>

static HWItemHandler *handler = 0;


HWItemHandler::HWItemHandler()
  : QObject(0, "HWHandler")
{
  handler = this;
  dialogdisplayed = false;

  halc = libhal_ctx_new();

  // Main loop integration
  kdDebug() << "Main loop integration" << endl;
  DBusError error;
  dbus_error_init(&error);
  DBusConnection *dbus_connection = dbus_bus_get(DBUS_BUS_SYSTEM, &error);
  if (dbus_error_is_set(&error)) {
    kdDebug() << "dcop error" << endl;
    halc = 0;
    return;
  }
  DBusQt::Connection *m_dBusQtConnection = new DBusQt::Connection(this);
  m_dBusQtConnection->dbus_connection_setup_with_qt_main(dbus_connection);
  libhal_ctx_set_dbus_connection(halc, dbus_connection);

  if (!libhal_ctx_init(halc, NULL))
    {
      kdDebug() << "Failed to init HAL context!" << endl;
      halc = 0;
      return;
    }

}

void HWItemHandler::sessioninit()
{
  checkFor75dpi();

  if (!halc)
	exit(1);

  int numDevices;
  char** halDeviceList = libhal_get_all_devices(halc, &numDevices, NULL);

  if (!halDeviceList)
	exit(1);

  bool added = false;
  for (int i = 0; i < numDevices; i++) {
    if (handle(halDeviceList[i]))
	added = true;
  }

  if (!added)
      kapp->quit();
}

bool HWItemHandler::handle(const QString &udi)
{
    if (!halc)
	return false;

    HWItem *newone = new HWItem(halc, udi, handler);
    if (!newone->added()) {
      delete newone;
      return false;
    } else
      return true;
}

HWItemHandler::~HWItemHandler(){
	//clear up maps

	QString tmpl = "mv \"%1\" \"%2/%3_%4.desktop\"";
	QString cmdline;

	QDictIterator<HWItem> it( items );
        for( ; it.current(); ++it)
        {
		delete it.current();
	}

}

/******************************** Dialog stuff ****************************************/

void HWItemHandler::queueDialogforPopup(HWItem *p){

        /*** called by HWItem::plugin() instead of a direct call to HWItem::newHardwarePopup() ***/

        if(!dialogQueue.find(p->udi()))               //just to be sure that this item isn't already queued
                dialogQueue.insert(p->udi(), p);      //queue it
        else
                return;

	kdDebug() << "queue " << p->udi() << endl;
        if(!dialogdisplayed){                           //display it,if no dialog is displayed atm
                dialogdisplayed=true;
                p->showPopup();
        }
}

void HWItemHandler::queuedDialogDone(HWItem *p)
{
        kdDebug() << "done with " << p->udi() << endl;

        /*** called by one of the dialog buttons***/
        dialogdisplayed=false;                          //no dialog is shown atm
        dialogQueue.remove(p->udi());                 //dequeue it

	if(dialogQueue.isEmpty()) {
            kapp->quit();
            return;
        }

        dialogdisplayed=true;

        QDictIterator<HWItem> it(dialogQueue);      //get next (first) item in queue

	it.current()->showPopup();
}

void HWItemHandler::dequeueAll()
{
  dialogdisplayed=false;
  dialogQueue.clear();
}

#include <X11/Xutil.h>

void HWItemHandler::checkFor75dpi()
{
  KConfig *c = KGlobal::config();

  c->setGroup("Default");
  if (c->readBoolEntry("CheckFor75dpi", true)){
     double xres, yres;

     xres = ((((double) DisplayWidth(qt_xdisplay(),0)) * 25.4 /
             ((double) DisplayWidthMM(qt_xdisplay(),0)))) + 0.5;
     yres = ((((double) DisplayHeight(qt_xdisplay(),0)) * 25.4 /
             ((double) DisplayHeightMM(qt_xdisplay(),0)))) + 0.5;

     if ( 75 == (int)xres && 75 == (int)yres ){
        QString msg = i18n("Your monitor did not report its X and Y Size. "
                           "This might cause display problems like unreadable fonts.\n"
                           "Configure your monitor geometry manually?" );
        if ( KMessageBox::questionYesNo( 0, msg ) == KMessageBox::Yes ){
              KProcess p;
              p << "kdesu" << "--nonewdcop" << "--" << "/usr/sbin/SaX2" << "--dialog" << "Monitor";
              p.start(KProcess::DontCare);
        }
     }
     c->setGroup("Default");
     c->writeEntry("CheckFor75dpi", false);
     c->sync();
  }
}


#include "susehwitemhandler.moc"