openbox/startupnotify.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    startupnotify.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003        Ben Jansens
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "startupnotify.h"
  21 #include "gettext.h"
  22
  23 extern gchar **environ;
  24
  25 #ifndef USE_LIBSN
  26
  27 void sn_startup(gboolean reconfig) {}
  28 void sn_shutdown(gboolean reconfig) {}
  29 gboolean sn_app_starting() { return FALSE; }
  30 Time sn_app_started(const gchar *id, const gchar *wmclass)
  31 {
  32     return CurrentTime;
  33 }
  34 gboolean sn_get_desktop(gchar *id, guint *desktop) { return FALSE; }
  35 gchar **sn_get_spawn_environment(char *program, Time time)
  36 {
  37     return g_strdupv(environ);
  38 }
  39 void sn_spawn_cancel() {}
  40
  41 #else
  42
  43 #include "openbox.h"
  44 #include "mainloop.h"
  45 #include "screen.h"
  46
  47 #define SN_API_NOT_YET_FROZEN
  48 #include <libsn/sn.h>
  49
  50 static SnDisplay *sn_display;
  51 static SnMonitorContext *sn_context;
  52 static SnLauncherContext *sn_launcher;
  53 static GSList *sn_waits; /* list of SnStartupSequences we're waiting on */
  54
  55 static SnStartupSequence* sequence_find(const gchar *id);
  56
  57 static void sn_handler(const XEvent *e, gpointer data);
  58 static void sn_event_func(SnMonitorEvent *event, gpointer data);
  59
  60 void sn_startup(gboolean reconfig)
  61 {
  62     if (reconfig) return;
  63
  64     sn_display = sn_display_new(ob_display, NULL, NULL);
  65     sn_context = sn_monitor_context_new(sn_display, ob_screen,
  66                                         sn_event_func, NULL, NULL);
  67     sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
  68
  69     ob_main_loop_x_add(ob_main_loop, sn_handler, NULL, NULL);
  70 }
  71
  72 void sn_shutdown(gboolean reconfig)
  73 {
  74     GSList *it;
  75
  76     if (reconfig) return;
  77
  78     ob_main_loop_x_remove(ob_main_loop, sn_handler);
  79
  80     for (it = sn_waits; it; it = g_slist_next(it))
  81         sn_startup_sequence_unref((SnStartupSequence*)it->data);
  82     g_slist_free(sn_waits);
  83     sn_waits = NULL;
  84
  85     screen_set_root_cursor();
  86
  87     sn_launcher_context_unref(sn_launcher);
  88     sn_monitor_context_unref(sn_context);
  89     sn_display_unref(sn_display);
  90 }
  91
  92 static SnStartupSequence* sequence_find(const gchar *id)
  93 {
  94     SnStartupSequence*ret = NULL;
  95     GSList *it;
  96
  97     for (it = sn_waits; it; it = g_slist_next(it)) {
  98         SnStartupSequence *seq = it->data;
  99         if (!strcmp(id, sn_startup_sequence_get_id(seq))) {
 100             ret = seq;
 101             break;
 102         }
 103     }
 104     return ret;
 105 }
 106
 107 gboolean sn_app_starting()
 108 {
 109     return sn_waits != NULL;
 110 }
 111
 112 static gboolean sn_wait_timeout(gpointer data)
 113 {
 114     SnStartupSequence *seq = data;
 115     sn_waits = g_slist_remove(sn_waits, seq);
 116     screen_set_root_cursor();
 117     return FALSE; /* don't repeat */
 118 }
 119
 120 static void sn_handler(const XEvent *e, gpointer data)
 121 {
 122     XEvent ec;
 123     ec = *e;
 124     sn_display_process_event(sn_display, &ec);
 125 }
 126
 127 static void sn_event_func(SnMonitorEvent *ev, gpointer data)
 128 {
 129     SnStartupSequence *seq;
 130     gboolean change = FALSE;
 131
 132     if (!(seq = sn_monitor_event_get_startup_sequence(ev)))
 133         return;
 134
 135     switch (sn_monitor_event_get_type(ev)) {
 136     case SN_MONITOR_EVENT_INITIATED:
 137         sn_startup_sequence_ref(seq);
 138         sn_waits = g_slist_prepend(sn_waits, seq);
 139         /* 30 second timeout for apps to start if the launcher doesn't
 140            have a timeout */
 141         ob_main_loop_timeout_add(ob_main_loop, 30 * G_USEC_PER_SEC,
 142                                  sn_wait_timeout, seq,
 143                                  (GDestroyNotify)sn_startup_sequence_unref);
 144         change = TRUE;
 145         break;
 146     case SN_MONITOR_EVENT_CHANGED:
 147         /* XXX feedback changed? */
 148         change = TRUE;
 149         break;
 150     case SN_MONITOR_EVENT_COMPLETED:
 151     case SN_MONITOR_EVENT_CANCELED:
 152         if ((seq = sequence_find(sn_startup_sequence_get_id(seq)))) {
 153             sn_waits = g_slist_remove(sn_waits, seq);
 154             ob_main_loop_timeout_remove_data(ob_main_loop, sn_wait_timeout,
 155                                              seq, FALSE);
 156             change = TRUE;
 157         }
 158         break;
 159     };
 160
 161     if (change)
 162         screen_set_root_cursor();
 163 }
 164
 165 Time sn_app_started(const gchar *id, const gchar *wmclass)
 166 {
 167     GSList *it;
 168     Time t = CurrentTime;
 169
 170     for (it = sn_waits; it; it = g_slist_next(it)) {
 171         SnStartupSequence *seq = it->data;
 172         const gchar *seqid, *seqclass;
 173         seqid = sn_startup_sequence_get_id(seq);
 174         seqclass = sn_startup_sequence_get_wmclass(seq);
 175         if ((seqid && id && !strcmp(seqid, id)) ||
 176             (seqclass && wmclass && !strcmp(seqclass, wmclass)))
 177         {
 178             sn_startup_sequence_complete(seq);
 179             t = sn_startup_sequence_get_timestamp(seq);
 180             break;
 181         }
 182     }
 183     return t;
 184 }
 185
 186 gboolean sn_get_desktop(gchar *id, guint *desktop)
 187 {
 188     SnStartupSequence *seq;
 189
 190     if (id && (seq = sequence_find(id))) {
 191         gint desk = sn_startup_sequence_get_workspace(seq);
 192         if (desk != -1) {
 193             *desktop = desk;
 194             return TRUE;
 195         }
 196     }
 197     return FALSE;
 198 }
 199
 200 static gboolean sn_launch_wait_timeout(gpointer data)
 201 {
 202     SnLauncherContext *sn = data;
 203     sn_launcher_context_complete(sn);
 204     return FALSE; /* don't repeat */
 205 }
 206
 207 gchar **sn_get_spawn_environment(char *program, Time time)
 208 {
 209     gchar **env, *desc;
 210     guint len;
 211     const char *id;
 212
 213     desc = g_strdup_printf(_("Running %s\n"), program);
 214
 215     if (sn_launcher_context_get_initiated(sn_launcher)) {
 216         sn_launcher_context_unref(sn_launcher);
 217         sn_launcher = sn_launcher_context_new(sn_display, ob_screen);
 218     }
 219
 220     sn_launcher_context_set_name(sn_launcher, program);
 221     sn_launcher_context_set_description(sn_launcher, desc);
 222     sn_launcher_context_set_icon_name(sn_launcher, program);
 223     sn_launcher_context_set_binary_name(sn_launcher, program);
 224     sn_launcher_context_initiate(sn_launcher, "openbox", program, time);
 225     id = sn_launcher_context_get_startup_id(sn_launcher);
 226
 227     /* 30 second timeout for apps to start */
 228     sn_launcher_context_ref(sn_launcher);
 229     ob_main_loop_timeout_add(ob_main_loop, 30 * G_USEC_PER_SEC,
 230                              sn_launch_wait_timeout, sn_launcher,
 231                              (GDestroyNotify)sn_launcher_context_unref);
 232
 233     env = g_strdupv(environ);
 234     len = g_strv_length(env); /* includes last null */
 235     env = g_renew(gchar*, env, ++len); /* add one spot */
 236     env[len-2] = g_strdup_printf("DESKTOP_STARTUP_ID=%s", id);
 237     env[len-1] = NULL;
 238
 239     g_free(desc);
 240
 241     return env;
 242 }
 243
 244 void sn_spawn_cancel()
 245 {
 246     sn_launcher_context_complete(sn_launcher);
 247 }
 248
 249 #endif