apps/nsplugins/viewer/viewer.cpp

   1 /*
   2
   3   This is a standalone application that executes Netscape plugins.
   4
   5
   6   Copyright (c) 2000 Matthias Hoelzer-Kluepfel <mhk@caldera.de>
   7                      Stefan Schimanski <1Stein@gmx.de>
   8
   9   This program is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU General Public License as published by
  11   the Free Software Foundation; either version 2 of the License, or
  12   (at your option) any later version.
  13
  14   This program is distributed in the hope that it will be useful,
  15   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17   GNU General Public License for more details.
  18
  19   You should have received a copy of the GNU General Public License
  20   along with this program; if not, write to the Free Software
  21   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  22
  23 */
  24
  25
  26 #include <config-apps.h>
  27
  28 #include <kapplication.h>
  29 #include "nsplugin.h"
  30
  31 #include <kcmdlineargs.h>
  32 #include <kaboutdata.h>
  33 #include <kconfiggroup.h>
  34 #include <kdebug.h>
  35 #include <kglobal.h>
  36 #include <klocale.h>
  37 #include <kmessagebox.h>
  38 #include <QSocketNotifier>
  39
  40 #include <stdlib.h>
  41 #include <sys/resource.h>
  42 #include <sys/time.h>
  43 #include <unistd.h>
  44 #include <kdefakes.h>
  45
  46 #ifdef Bool
  47 #undef Bool
  48 #endif
  49 #include <kconfig.h>
  50
  51 #include "xtevents.h"
  52 #include "glibevents.h"
  53 #include <QtDBus/QtDBus>
  54
  55 /**
  56  *  Use RLIMIT_DATA on systems that don't define RLIMIT_AS,
  57  *  such as FreeBSD 4, NetBSD and OpenBSD.
  58  */
  59
  60 #ifndef RLIMIT_AS
  61 #define RLIMIT_AS RLIMIT_DATA
  62 #endif
  63
  64 /*
  65  * As the plugin viewer needs to be a motif application, I give in to
  66  * the "old style" and keep lot's of global vars. :-)
  67  */
  68
  69 static QString g_dbusServiceName;
  70
  71 /**
  72  * parseCommandLine - get command line parameters
  73  *
  74  */
  75 void parseCommandLine(int argc, char *argv[])
  76 {
  77    for (int i=0; i<argc; i++)
  78    {
  79       if (!strcmp(argv[i], "-dbusservice") && (i+1 < argc))
  80       {
  81          g_dbusServiceName = argv[i+1];
  82          i++;
  83       }
  84    }
  85 }
  86
  87 int main(int argc, char** argv)
  88 {
  89     // nspluginviewer is a helper app, it shouldn't do session management at all
  90    setenv( "SESSION_MANAGER", "", 1 );
  91
  92    setvbuf( stderr, NULL, _IONBF, 0 );
  93
  94    kDebug(1430) << "2 - parseCommandLine";
  95    parseCommandLine(argc, argv);
  96
  97    parseCommandLine(argc, argv);
  98
  99    kDebug(1430) << "3 - create KApplication";
 100
 101    // Skip the args.. This is internal, anyway.
 102    KCmdLineArgs::init(1, argv, "nspluginviewer", "nsplugin", ki18n("nspluginviewer"), "");
 103
 104    KApplication app;
 105
 106    kDebug(1430) << "4 - create XtEvents and GlibEvents";
 107    XtEvents xtevents;
 108 #ifdef HAVE_GLIB2
 109    GlibEvents glibevents;
 110 #endif
 111    {
 112       KConfig _cfg( "kcmnspluginrc" );
 113       KConfigGroup cfg(&_cfg, "Misc");
 114       int v = qBound(0, cfg.readEntry("Nice Level", 0), 19);
 115       if (v > 0) {
 116          nice(v);
 117       }
 118       v = cfg.readEntry("Max Memory", 0);
 119       if (v > 0) {
 120          rlimit rl;
 121          memset(&rl, 0, sizeof(rl));
 122          if (0 == getrlimit(RLIMIT_AS, &rl)) {
 123             rl.rlim_cur = qMin(v, int(rl.rlim_max));
 124             setrlimit(RLIMIT_AS, &rl);
 125          }
 126       }
 127    }
 128
 129    kDebug(1430) << "5 - dbus requestName";
 130    if (!g_dbusServiceName.isEmpty()) {
 131        QDBusConnectionInterface* bus = QDBusConnection::sessionBus().interface(); // already null-checked by KApplication
 132        if ( bus->registerService(g_dbusServiceName, QDBusConnectionInterface::DontQueueService) == QDBusConnectionInterface::ServiceNotRegistered ) {
 133           kError(101) << "Couldn't register name '" << g_dbusServiceName << "' with DBUS - another process owns it already!" << endl;
 134           ::exit(126);
 135       }
 136    }
 137
 138    // create dcop interface
 139    kDebug(1430) << "6 - new NSPluginViewer";
 140    NSPluginViewer *viewer = new NSPluginViewer( 0 );
 141
 142    // start main loop
 143    kDebug(1430) << "7 - app.exec()";
 144    app.exec();
 145
 146    // delete viewer
 147    delete viewer;
 148 }