code.delx.au - pulseaudio/blob - src/pulse/client-conf-x11.c

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5
   6   PulseAudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2.1 of the License,
   9   or (at your option) any later version.
  10
  11   PulseAudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with PulseAudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-13071
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27
  28 #include <xcb/xcb.h>
  29
  30 #include <pulse/xmalloc.h>
  31
  32 #include <pulsecore/i18n.h>
  33 #include <pulsecore/x11prop.h>
  34 #include <pulsecore/log.h>
  35 #include <pulsecore/core-util.h>
  36 #include <pulsecore/macro.h>
  37
  38 #include "client-conf-x11.h"
  39
  40 int pa_client_conf_from_x11(pa_client_conf *c) {
  41     const char *dname;
  42     xcb_connection_t *xcb = NULL;
  43     int ret = -1, screen = 0;
  44     char t[1024];
  45
  46     pa_assert(c);
  47
  48     if (!(dname = getenv("DISPLAY")))
  49         goto finish;
  50
  51     if (*dname == 0)
  52         goto finish;
  53
  54     if (!(xcb = xcb_connect(dname, NULL))) {
  55         pa_log(_("xcb_connect() failed"));
  56         goto finish;
  57     }
  58
  59     if (xcb_connection_has_error(xcb)) {
  60         pa_log(_("xcb_connection_has_error() returned true"));
  61         goto finish;
  62     }
  63
  64     if (pa_x11_get_prop(xcb, screen, "PULSE_SERVER", t, sizeof(t))) {
  65         bool disable_autospawn = true;
  66
  67         pa_xfree(c->default_server);
  68         c->default_server = pa_xstrdup(t);
  69
  70         if (pa_x11_get_prop(xcb, screen, "PULSE_SESSION_ID", t, sizeof(t))) {
  71             char *id;
  72
  73             if ((id = pa_session_id())) {
  74                 if (pa_streq(t, id))
  75                     disable_autospawn = false;
  76                 pa_xfree(id);
  77             }
  78         }
  79
  80         if (disable_autospawn)
  81             c->autospawn = false;
  82     }
  83
  84     if (pa_x11_get_prop(xcb, screen, "PULSE_SINK", t, sizeof(t))) {
  85         pa_xfree(c->default_sink);
  86         c->default_sink = pa_xstrdup(t);
  87     }
  88
  89     if (pa_x11_get_prop(xcb, screen, "PULSE_SOURCE", t, sizeof(t))) {
  90         pa_xfree(c->default_source);
  91         c->default_source = pa_xstrdup(t);
  92     }
  93
  94     if (pa_x11_get_prop(xcb, screen, "PULSE_COOKIE", t, sizeof(t))) {
  95         if (pa_client_conf_load_cookie_from_hex(c, t) < 0) {
  96             pa_log(_("Failed to parse cookie data"));
  97             goto finish;
  98         }
  99     }
 100
 101     ret = 0;
 102
 103 finish:
 104     if (xcb)
 105         xcb_disconnect(xcb);
 106
 107     return ret;
 108
 109 }