1.2.47
by Didier Roche
Import upstream version 2.25.3 |
1 |
/*
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2 |
* Copyright (C) 2007 Novell, Inc.
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3 |
*
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4 |
* Inspired by various other pieces of code including GsmClient (C)
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5 |
* 2001 Havoc Pennington, GnomeClient (C) 1998 Carsten Schaar, and twm
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6 |
* session code (C) 1998 The Open Group.
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7 |
*
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8 |
* This library is free software; you can redistribute it and/or
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9 |
* modify it under the terms of the GNU Library General Public
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10 |
* License as published by the Free Software Foundation; either
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11 |
* version 2 of the License, or (at your option) any later version.
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12 |
*
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13 |
* This library is distributed in the hope that it will be useful,
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14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 |
* Library General Public License for more details.
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17 |
*
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18 |
* You should have received a copy of the GNU Library General Public
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19 |
* License along with this library; if not, write to the
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20 |
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 |
* Boston, MA 02111-1307, USA.
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22 |
*/
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23 |
||
24 |
#include "config.h" |
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25 |
||
26 |
#include "eggsmclient.h" |
|
27 |
#include "eggsmclient-private.h" |
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28 |
||
29 |
#include "eggdesktopfile.h" |
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30 |
||
31 |
#include <errno.h> |
|
32 |
#include <fcntl.h> |
|
33 |
#include <stdlib.h> |
|
34 |
#include <string.h> |
|
35 |
#include <unistd.h> |
|
36 |
#include <X11/SM/SMlib.h> |
|
37 |
||
38 |
#include <gdk/gdk.h> |
|
1.4.6
by Raphaël Hertzog
Import upstream version 3.0.0 |
39 |
#include <gdk/gdkx.h> |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
40 |
|
41 |
#define EGG_TYPE_SM_CLIENT_XSMP (egg_sm_client_xsmp_get_type ())
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42 |
#define EGG_SM_CLIENT_XSMP(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EGG_TYPE_SM_CLIENT_XSMP, EggSMClientXSMP))
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43 |
#define EGG_SM_CLIENT_XSMP_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EGG_TYPE_SM_CLIENT_XSMP, EggSMClientXSMPClass))
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44 |
#define EGG_IS_SM_CLIENT_XSMP(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EGG_TYPE_SM_CLIENT_XSMP))
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|
45 |
#define EGG_IS_SM_CLIENT_XSMP_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EGG_TYPE_SM_CLIENT_XSMP))
|
|
46 |
#define EGG_SM_CLIENT_XSMP_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EGG_TYPE_SM_CLIENT_XSMP, EggSMClientXSMPClass))
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47 |
||
48 |
typedef struct _EggSMClientXSMP EggSMClientXSMP; |
|
49 |
typedef struct _EggSMClientXSMPClass EggSMClientXSMPClass; |
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50 |
||
51 |
/* These mostly correspond to the similarly-named states in section
|
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52 |
* 9.1 of the XSMP spec. Some of the states there aren't represented
|
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53 |
* here, because we don't need them. SHUTDOWN_CANCELLED is slightly
|
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54 |
* different from the spec; we use it when the client is IDLE after a
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55 |
* ShutdownCancelled message, but the application is still interacting
|
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56 |
* and doesn't know the shutdown has been cancelled yet.
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57 |
*/
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58 |
typedef enum |
|
59 |
{
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60 |
XSMP_STATE_IDLE, |
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61 |
XSMP_STATE_SAVE_YOURSELF, |
|
62 |
XSMP_STATE_INTERACT_REQUEST, |
|
63 |
XSMP_STATE_INTERACT, |
|
64 |
XSMP_STATE_SAVE_YOURSELF_DONE, |
|
65 |
XSMP_STATE_SHUTDOWN_CANCELLED, |
|
66 |
XSMP_STATE_CONNECTION_CLOSED
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|
67 |
} EggSMClientXSMPState; |
|
68 |
||
69 |
static const char *state_names[] = { |
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70 |
"idle", |
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71 |
"save-yourself", |
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72 |
"interact-request", |
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73 |
"interact", |
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74 |
"save-yourself-done", |
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75 |
"shutdown-cancelled", |
|
76 |
"connection-closed"
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|
77 |
};
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78 |
||
79 |
#define EGG_SM_CLIENT_XSMP_STATE(xsmp) (state_names[(xsmp)->state])
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80 |
||
81 |
struct _EggSMClientXSMP |
|
82 |
{
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83 |
EggSMClient parent; |
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84 |
||
85 |
SmcConn connection; |
|
86 |
char *client_id; |
|
87 |
||
88 |
EggSMClientXSMPState state; |
|
89 |
char **restart_command; |
|
90 |
gboolean set_restart_command; |
|
91 |
int restart_style; |
|
92 |
char **discard_command; |
|
93 |
gboolean set_discard_command; |
|
94 |
||
95 |
guint idle; |
|
96 |
||
97 |
/* Current SaveYourself state */
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98 |
guint expecting_initial_save_yourself : 1; |
|
99 |
guint need_save_state : 1; |
|
100 |
guint need_quit_requested : 1; |
|
101 |
guint interact_errors : 1; |
|
102 |
guint shutting_down : 1; |
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103 |
||
104 |
/* Todo list */
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105 |
guint waiting_to_set_initial_properties : 1; |
|
106 |
guint waiting_to_emit_quit : 1; |
|
107 |
guint waiting_to_emit_quit_cancelled : 1; |
|
108 |
guint waiting_to_save_myself : 1; |
|
109 |
||
110 |
};
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111 |
||
112 |
struct _EggSMClientXSMPClass |
|
113 |
{
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114 |
EggSMClientClass parent_class; |
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115 |
||
116 |
};
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117 |
||
118 |
static void sm_client_xsmp_startup (EggSMClient *client, |
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119 |
const char *client_id); |
|
120 |
static void sm_client_xsmp_set_restart_command (EggSMClient *client, |
|
121 |
int argc, |
|
122 |
const char **argv); |
|
123 |
static void sm_client_xsmp_set_discard_command (EggSMClient *client, |
|
124 |
int argc, |
|
125 |
const char **argv); |
|
126 |
static void sm_client_xsmp_will_quit (EggSMClient *client, |
|
127 |
gboolean will_quit); |
|
128 |
static gboolean sm_client_xsmp_end_session (EggSMClient *client, |
|
129 |
EggSMClientEndStyle style, |
|
130 |
gboolean request_confirmation); |
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131 |
||
132 |
static void xsmp_save_yourself (SmcConn smc_conn, |
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133 |
SmPointer client_data, |
|
134 |
int save_style, |
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135 |
Bool shutdown, |
|
136 |
int interact_style, |
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137 |
Bool fast); |
|
138 |
static void xsmp_die (SmcConn smc_conn, |
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139 |
SmPointer client_data); |
|
140 |
static void xsmp_save_complete (SmcConn smc_conn, |
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141 |
SmPointer client_data); |
|
142 |
static void xsmp_shutdown_cancelled (SmcConn smc_conn, |
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143 |
SmPointer client_data); |
|
144 |
static void xsmp_interact (SmcConn smc_conn, |
|
145 |
SmPointer client_data); |
|
146 |
||
147 |
static SmProp *array_prop (const char *name, |
|
148 |
...);
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149 |
static SmProp *ptrarray_prop (const char *name, |
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150 |
GPtrArray *values); |
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151 |
static SmProp *string_prop (const char *name, |
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152 |
const char *value); |
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153 |
static SmProp *card8_prop (const char *name, |
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154 |
unsigned char value); |
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155 |
||
156 |
static void set_properties (EggSMClientXSMP *xsmp, ...); |
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157 |
static void delete_properties (EggSMClientXSMP *xsmp, ...); |
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158 |
||
159 |
static GPtrArray *generate_command (char **argv, |
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160 |
const char *client_id, |
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161 |
const char *state_file); |
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162 |
||
163 |
static void save_state (EggSMClientXSMP *xsmp); |
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164 |
static void do_save_yourself (EggSMClientXSMP *xsmp); |
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165 |
static void update_pending_events (EggSMClientXSMP *xsmp); |
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166 |
||
167 |
static void ice_init (void); |
|
168 |
static gboolean process_ice_messages (IceConn ice_conn); |
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169 |
static void smc_error_handler (SmcConn smc_conn, |
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170 |
Bool swap, |
|
171 |
int offending_minor_opcode, |
|
172 |
unsigned long offending_sequence, |
|
173 |
int error_class, |
|
174 |
int severity, |
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175 |
SmPointer values); |
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176 |
||
177 |
G_DEFINE_TYPE (EggSMClientXSMP, egg_sm_client_xsmp, EGG_TYPE_SM_CLIENT) |
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178 |
||
179 |
static void |
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180 |
egg_sm_client_xsmp_init (EggSMClientXSMP *xsmp) |
|
181 |
{
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182 |
xsmp->state = XSMP_STATE_CONNECTION_CLOSED; |
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183 |
xsmp->connection = NULL; |
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184 |
xsmp->restart_style = SmRestartIfRunning; |
|
185 |
}
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186 |
||
187 |
static void |
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188 |
egg_sm_client_xsmp_class_init (EggSMClientXSMPClass *klass) |
|
189 |
{
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|
190 |
EggSMClientClass *sm_client_class = EGG_SM_CLIENT_CLASS (klass); |
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191 |
||
192 |
sm_client_class->startup = sm_client_xsmp_startup; |
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193 |
sm_client_class->set_restart_command = sm_client_xsmp_set_restart_command; |
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194 |
sm_client_class->set_discard_command = sm_client_xsmp_set_discard_command; |
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195 |
sm_client_class->will_quit = sm_client_xsmp_will_quit; |
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196 |
sm_client_class->end_session = sm_client_xsmp_end_session; |
|
197 |
}
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198 |
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199 |
EggSMClient * |
|
200 |
egg_sm_client_xsmp_new (void) |
|
201 |
{
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202 |
if (!g_getenv ("SESSION_MANAGER")) |
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203 |
return NULL; |
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204 |
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205 |
return g_object_new (EGG_TYPE_SM_CLIENT_XSMP, NULL); |
|
206 |
}
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207 |
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208 |
static gboolean |
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209 |
sm_client_xsmp_set_initial_properties (gpointer user_data) |
|
210 |
{
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211 |
EggSMClientXSMP *xsmp = user_data; |
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212 |
EggDesktopFile *desktop_file; |
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213 |
GPtrArray *clone, *restart; |
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214 |
char pid_str[64]; |
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215 |
||
216 |
if (xsmp->idle) |
|
217 |
{
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218 |
g_source_remove (xsmp->idle); |
|
219 |
xsmp->idle = 0; |
|
220 |
}
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221 |
xsmp->waiting_to_set_initial_properties = FALSE; |
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222 |
||
223 |
if (egg_sm_client_get_mode () == EGG_SM_CLIENT_MODE_NO_RESTART) |
|
224 |
xsmp->restart_style = SmRestartNever; |
|
225 |
||
226 |
/* Parse info out of desktop file */
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227 |
desktop_file = egg_get_desktop_file (); |
|
228 |
if (desktop_file) |
|
229 |
{
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230 |
GError *err = NULL; |
|
231 |
char *cmdline, **argv; |
|
232 |
int argc; |
|
233 |
||
234 |
if (xsmp->restart_style == SmRestartIfRunning) |
|
235 |
{
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236 |
if (egg_desktop_file_get_boolean (desktop_file, |
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237 |
"X-GNOME-AutoRestart", NULL)) |
|
238 |
xsmp->restart_style = SmRestartImmediately; |
|
239 |
}
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240 |
||
241 |
if (!xsmp->set_restart_command) |
|
242 |
{
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243 |
cmdline = egg_desktop_file_parse_exec (desktop_file, NULL, &err); |
|
244 |
if (cmdline && g_shell_parse_argv (cmdline, &argc, &argv, &err)) |
|
245 |
{
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246 |
egg_sm_client_set_restart_command (EGG_SM_CLIENT (xsmp), |
|
247 |
argc, (const char **)argv); |
|
248 |
g_strfreev (argv); |
|
249 |
}
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250 |
else
|
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251 |
{
|
|
252 |
g_warning ("Could not parse Exec line in desktop file: %s", |
|
253 |
err->message); |
|
254 |
g_error_free (err); |
|
255 |
}
|
|
256 |
g_free (cmdline); |
|
257 |
}
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|
258 |
}
|
|
259 |
||
260 |
if (!xsmp->set_restart_command) |
|
261 |
xsmp->restart_command = g_strsplit (g_get_prgname (), " ", -1); |
|
262 |
||
263 |
clone = generate_command (xsmp->restart_command, NULL, NULL); |
|
264 |
restart = generate_command (xsmp->restart_command, xsmp->client_id, NULL); |
|
265 |
||
266 |
g_debug ("Setting initial properties"); |
|
267 |
||
268 |
/* Program, CloneCommand, RestartCommand, and UserID are required.
|
|
269 |
* ProcessID isn't required, but the SM may be able to do something
|
|
270 |
* useful with it.
|
|
271 |
*/
|
|
272 |
g_snprintf (pid_str, sizeof (pid_str), "%lu", (gulong) getpid ()); |
|
273 |
set_properties (xsmp, |
|
274 |
string_prop (SmProgram, g_get_prgname ()), |
|
275 |
ptrarray_prop (SmCloneCommand, clone), |
|
276 |
ptrarray_prop (SmRestartCommand, restart), |
|
277 |
string_prop (SmUserID, g_get_user_name ()), |
|
278 |
string_prop (SmProcessID, pid_str), |
|
279 |
card8_prop (SmRestartStyleHint, xsmp->restart_style), |
|
280 |
NULL); |
|
281 |
g_ptr_array_free (clone, TRUE); |
|
282 |
g_ptr_array_free (restart, TRUE); |
|
283 |
||
284 |
if (desktop_file) |
|
285 |
{
|
|
286 |
set_properties (xsmp, |
|
287 |
string_prop ("_GSM_DesktopFile", egg_desktop_file_get_source (desktop_file)), |
|
288 |
NULL); |
|
289 |
}
|
|
290 |
||
291 |
update_pending_events (xsmp); |
|
292 |
return FALSE; |
|
293 |
}
|
|
294 |
||
295 |
/* This gets called from two different places: xsmp_die() (when the
|
|
296 |
* server asks us to disconnect) and process_ice_messages() (when the
|
|
297 |
* server disconnects unexpectedly).
|
|
298 |
*/
|
|
299 |
static void |
|
300 |
sm_client_xsmp_disconnect (EggSMClientXSMP *xsmp) |
|
301 |
{
|
|
302 |
SmcConn connection; |
|
303 |
||
304 |
if (!xsmp->connection) |
|
305 |
return; |
|
306 |
||
307 |
g_debug ("Disconnecting"); |
|
308 |
||
309 |
connection = xsmp->connection; |
|
310 |
xsmp->connection = NULL; |
|
311 |
SmcCloseConnection (connection, 0, NULL); |
|
312 |
xsmp->state = XSMP_STATE_CONNECTION_CLOSED; |
|
313 |
||
314 |
xsmp->waiting_to_save_myself = FALSE; |
|
315 |
update_pending_events (xsmp); |
|
316 |
}
|
|
317 |
||
318 |
static void |
|
319 |
sm_client_xsmp_startup (EggSMClient *client, |
|
320 |
const char *client_id) |
|
321 |
{
|
|
322 |
EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client; |
|
323 |
SmcCallbacks callbacks; |
|
324 |
char *ret_client_id; |
|
325 |
char error_string_ret[256]; |
|
326 |
||
327 |
xsmp->client_id = g_strdup (client_id); |
|
328 |
||
329 |
ice_init (); |
|
330 |
SmcSetErrorHandler (smc_error_handler); |
|
331 |
||
332 |
callbacks.save_yourself.callback = xsmp_save_yourself; |
|
333 |
callbacks.die.callback = xsmp_die; |
|
334 |
callbacks.save_complete.callback = xsmp_save_complete; |
|
335 |
callbacks.shutdown_cancelled.callback = xsmp_shutdown_cancelled; |
|
336 |
||
337 |
callbacks.save_yourself.client_data = xsmp; |
|
338 |
callbacks.die.client_data = xsmp; |
|
339 |
callbacks.save_complete.client_data = xsmp; |
|
340 |
callbacks.shutdown_cancelled.client_data = xsmp; |
|
341 |
||
342 |
client_id = NULL; |
|
343 |
error_string_ret[0] = '\0'; |
|
344 |
xsmp->connection = |
|
345 |
SmcOpenConnection (NULL, xsmp, SmProtoMajor, SmProtoMinor, |
|
346 |
SmcSaveYourselfProcMask | SmcDieProcMask | |
|
347 |
SmcSaveCompleteProcMask | |
|
348 |
SmcShutdownCancelledProcMask, |
|
349 |
&callbacks, |
|
350 |
xsmp->client_id, &ret_client_id, |
|
351 |
sizeof (error_string_ret), error_string_ret); |
|
352 |
||
353 |
if (!xsmp->connection) |
|
354 |
{
|
|
355 |
g_warning ("Failed to connect to the session manager: %s\n", |
|
356 |
error_string_ret[0] ? |
|
357 |
error_string_ret : "no error message given"); |
|
358 |
xsmp->state = XSMP_STATE_CONNECTION_CLOSED; |
|
359 |
return; |
|
360 |
}
|
|
361 |
||
362 |
/* We expect a pointless initial SaveYourself if either (a) we
|
|
363 |
* didn't have an initial client ID, or (b) we DID have an initial
|
|
364 |
* client ID, but the server rejected it and gave us a new one.
|
|
365 |
*/
|
|
366 |
if (!xsmp->client_id || |
|
367 |
(ret_client_id && strcmp (xsmp->client_id, ret_client_id) != 0)) |
|
368 |
xsmp->expecting_initial_save_yourself = TRUE; |
|
369 |
||
370 |
if (ret_client_id) |
|
371 |
{
|
|
372 |
g_free (xsmp->client_id); |
|
373 |
xsmp->client_id = g_strdup (ret_client_id); |
|
374 |
free (ret_client_id); |
|
375 |
||
376 |
gdk_threads_enter (); |
|
1.4.6
by Raphaël Hertzog
Import upstream version 3.0.0 |
377 |
#if !GTK_CHECK_VERSION(2,91,7) && !GTK_CHECK_VERSION(3,0,0)
|
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
378 |
gdk_set_sm_client_id (xsmp->client_id); |
1.4.6
by Raphaël Hertzog
Import upstream version 3.0.0 |
379 |
#else
|
380 |
gdk_x11_set_sm_client_id (xsmp->client_id); |
|
381 |
#endif
|
|
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
382 |
gdk_threads_leave (); |
383 |
||
384 |
g_debug ("Got client ID \"%s\"", xsmp->client_id); |
|
385 |
}
|
|
386 |
||
387 |
xsmp->state = XSMP_STATE_IDLE; |
|
388 |
||
389 |
/* Do not set the initial properties until we reach the main loop,
|
|
390 |
* so that the application has a chance to call
|
|
391 |
* egg_set_desktop_file(). (This may also help the session manager
|
|
392 |
* have a better idea of when the application is fully up and
|
|
393 |
* running.)
|
|
394 |
*/
|
|
395 |
xsmp->waiting_to_set_initial_properties = TRUE; |
|
396 |
xsmp->idle = g_idle_add (sm_client_xsmp_set_initial_properties, client); |
|
397 |
}
|
|
398 |
||
399 |
static void |
|
400 |
sm_client_xsmp_set_restart_command (EggSMClient *client, |
|
401 |
int argc, |
|
402 |
const char **argv) |
|
403 |
{
|
|
404 |
EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client; |
|
405 |
int i; |
|
406 |
||
407 |
g_strfreev (xsmp->restart_command); |
|
408 |
||
409 |
xsmp->restart_command = g_new (char *, argc + 1); |
|
410 |
for (i = 0; i < argc; i++) |
|
411 |
xsmp->restart_command[i] = g_strdup (argv[i]); |
|
412 |
xsmp->restart_command[i] = NULL; |
|
413 |
||
414 |
xsmp->set_restart_command = TRUE; |
|
415 |
}
|
|
416 |
||
417 |
static void |
|
418 |
sm_client_xsmp_set_discard_command (EggSMClient *client, |
|
419 |
int argc, |
|
420 |
const char **argv) |
|
421 |
{
|
|
422 |
EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client; |
|
423 |
int i; |
|
424 |
||
425 |
g_strfreev (xsmp->discard_command); |
|
426 |
||
427 |
xsmp->discard_command = g_new (char *, argc + 1); |
|
428 |
for (i = 0; i < argc; i++) |
|
429 |
xsmp->discard_command[i] = g_strdup (argv[i]); |
|
430 |
xsmp->discard_command[i] = NULL; |
|
431 |
||
432 |
xsmp->set_discard_command = TRUE; |
|
433 |
}
|
|
434 |
||
435 |
static void |
|
436 |
sm_client_xsmp_will_quit (EggSMClient *client, |
|
437 |
gboolean will_quit) |
|
438 |
{
|
|
439 |
EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client; |
|
440 |
||
441 |
if (xsmp->state == XSMP_STATE_CONNECTION_CLOSED) |
|
442 |
{
|
|
443 |
/* The session manager has already exited! Schedule a quit
|
|
444 |
* signal.
|
|
445 |
*/
|
|
446 |
xsmp->waiting_to_emit_quit = TRUE; |
|
447 |
update_pending_events (xsmp); |
|
448 |
return; |
|
449 |
}
|
|
450 |
else if (xsmp->state == XSMP_STATE_SHUTDOWN_CANCELLED) |
|
451 |
{
|
|
452 |
/* We received a ShutdownCancelled message while the application
|
|
453 |
* was interacting; Schedule a quit_cancelled signal.
|
|
454 |
*/
|
|
455 |
xsmp->waiting_to_emit_quit_cancelled = TRUE; |
|
456 |
update_pending_events (xsmp); |
|
457 |
return; |
|
458 |
}
|
|
459 |
||
460 |
g_return_if_fail (xsmp->state == XSMP_STATE_INTERACT); |
|
461 |
||
462 |
g_debug ("Sending InteractDone(%s)", will_quit ? "False" : "True"); |
|
463 |
SmcInteractDone (xsmp->connection, !will_quit); |
|
464 |
||
465 |
if (will_quit && xsmp->need_save_state) |
|
466 |
save_state (xsmp); |
|
467 |
||
468 |
g_debug ("Sending SaveYourselfDone(%s)", will_quit ? "True" : "False"); |
|
469 |
SmcSaveYourselfDone (xsmp->connection, will_quit); |
|
470 |
xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE; |
|
471 |
}
|
|
472 |
||
473 |
static gboolean |
|
474 |
sm_client_xsmp_end_session (EggSMClient *client, |
|
475 |
EggSMClientEndStyle style, |
|
476 |
gboolean request_confirmation) |
|
477 |
{
|
|
478 |
EggSMClientXSMP *xsmp = (EggSMClientXSMP *)client; |
|
479 |
int save_type; |
|
480 |
||
481 |
/* To end the session via XSMP, we have to send a
|
|
482 |
* SaveYourselfRequest. We aren't allowed to do that if anything
|
|
483 |
* else is going on, but we don't want to expose this fact to the
|
|
484 |
* application. So we do our best to patch things up here...
|
|
485 |
*
|
|
486 |
* In the worst case, this method might block for some length of
|
|
487 |
* time in process_ice_messages, but the only time that code path is
|
|
488 |
* honestly likely to get hit is if the application tries to end the
|
|
489 |
* session as the very first thing it does, in which case it
|
|
490 |
* probably won't actually block anyway. It's not worth gunking up
|
|
491 |
* the API to try to deal nicely with the other 0.01% of cases where
|
|
492 |
* this happens.
|
|
493 |
*/
|
|
494 |
||
495 |
while (xsmp->state != XSMP_STATE_IDLE || |
|
496 |
xsmp->expecting_initial_save_yourself) |
|
497 |
{
|
|
498 |
/* If we're already shutting down, we don't need to do anything. */
|
|
499 |
if (xsmp->shutting_down) |
|
500 |
return TRUE; |
|
501 |
||
502 |
switch (xsmp->state) |
|
503 |
{
|
|
504 |
case XSMP_STATE_CONNECTION_CLOSED: |
|
505 |
return FALSE; |
|
506 |
||
507 |
case XSMP_STATE_SAVE_YOURSELF: |
|
508 |
/* Trying to log out from the save_state callback? Whatever.
|
|
509 |
* Abort the save_state.
|
|
510 |
*/
|
|
511 |
SmcSaveYourselfDone (xsmp->connection, FALSE); |
|
512 |
xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE; |
|
513 |
break; |
|
514 |
||
515 |
case XSMP_STATE_INTERACT_REQUEST: |
|
516 |
case XSMP_STATE_INTERACT: |
|
517 |
case XSMP_STATE_SHUTDOWN_CANCELLED: |
|
518 |
/* Already in a shutdown-related state, just ignore
|
|
519 |
* the new shutdown request...
|
|
520 |
*/
|
|
521 |
return TRUE; |
|
522 |
||
523 |
case XSMP_STATE_IDLE: |
|
524 |
if (xsmp->waiting_to_set_initial_properties) |
|
525 |
sm_client_xsmp_set_initial_properties (xsmp); |
|
526 |
||
527 |
if (!xsmp->expecting_initial_save_yourself) |
|
528 |
break; |
|
529 |
/* else fall through */
|
|
530 |
||
531 |
case XSMP_STATE_SAVE_YOURSELF_DONE: |
|
532 |
/* We need to wait for some response from the server.*/
|
|
533 |
process_ice_messages (SmcGetIceConnection (xsmp->connection)); |
|
534 |
break; |
|
535 |
||
536 |
default: |
|
537 |
/* Hm... shouldn't happen */
|
|
538 |
return FALSE; |
|
539 |
}
|
|
540 |
}
|
|
541 |
||
542 |
/* xfce4-session will do the wrong thing if we pass SmSaveGlobal and
|
|
543 |
* the user chooses to save the session. But gnome-session will do
|
|
544 |
* the wrong thing if we pass SmSaveBoth and the user chooses NOT to
|
|
545 |
* save the session... Sigh.
|
|
546 |
*/
|
|
547 |
if (!strcmp (SmcVendor (xsmp->connection), "xfce4-session")) |
|
548 |
save_type = SmSaveBoth; |
|
549 |
else
|
|
550 |
save_type = SmSaveGlobal; |
|
551 |
||
552 |
g_debug ("Sending SaveYourselfRequest(SmSaveGlobal, Shutdown, SmInteractStyleAny, %sFast)", request_confirmation ? "!" : ""); |
|
553 |
SmcRequestSaveYourself (xsmp->connection, |
|
554 |
save_type, |
|
555 |
True, /* shutdown */ |
|
556 |
SmInteractStyleAny, |
|
557 |
!request_confirmation, /* fast */ |
|
558 |
True /* global */); |
|
559 |
return TRUE; |
|
560 |
}
|
|
561 |
||
562 |
static gboolean |
|
563 |
idle_do_pending_events (gpointer data) |
|
564 |
{
|
|
565 |
EggSMClientXSMP *xsmp = data; |
|
566 |
EggSMClient *client = data; |
|
567 |
||
568 |
gdk_threads_enter (); |
|
569 |
||
570 |
xsmp->idle = 0; |
|
571 |
||
572 |
if (xsmp->waiting_to_emit_quit) |
|
573 |
{
|
|
574 |
xsmp->waiting_to_emit_quit = FALSE; |
|
575 |
egg_sm_client_quit (client); |
|
576 |
goto out; |
|
577 |
}
|
|
578 |
||
579 |
if (xsmp->waiting_to_emit_quit_cancelled) |
|
580 |
{
|
|
581 |
xsmp->waiting_to_emit_quit_cancelled = FALSE; |
|
582 |
egg_sm_client_quit_cancelled (client); |
|
583 |
xsmp->state = XSMP_STATE_IDLE; |
|
584 |
}
|
|
585 |
||
586 |
if (xsmp->waiting_to_save_myself) |
|
587 |
{
|
|
588 |
xsmp->waiting_to_save_myself = FALSE; |
|
589 |
do_save_yourself (xsmp); |
|
590 |
}
|
|
591 |
||
592 |
out: |
|
593 |
gdk_threads_leave (); |
|
594 |
return FALSE; |
|
595 |
}
|
|
596 |
||
597 |
static void |
|
598 |
update_pending_events (EggSMClientXSMP *xsmp) |
|
599 |
{
|
|
600 |
gboolean want_idle = |
|
601 |
xsmp->waiting_to_emit_quit || |
|
602 |
xsmp->waiting_to_emit_quit_cancelled || |
|
603 |
xsmp->waiting_to_save_myself; |
|
604 |
||
605 |
if (want_idle) |
|
606 |
{
|
|
607 |
if (xsmp->idle == 0) |
|
608 |
xsmp->idle = g_idle_add (idle_do_pending_events, xsmp); |
|
609 |
}
|
|
610 |
else
|
|
611 |
{
|
|
612 |
if (xsmp->idle != 0) |
|
613 |
g_source_remove (xsmp->idle); |
|
614 |
xsmp->idle = 0; |
|
615 |
}
|
|
616 |
}
|
|
617 |
||
618 |
static void |
|
619 |
fix_broken_state (EggSMClientXSMP *xsmp, const char *message, |
|
620 |
gboolean send_interact_done, |
|
621 |
gboolean send_save_yourself_done) |
|
622 |
{
|
|
623 |
g_warning ("Received XSMP %s message in state %s: client or server error", |
|
624 |
message, EGG_SM_CLIENT_XSMP_STATE (xsmp)); |
|
625 |
||
626 |
/* Forget any pending SaveYourself plans we had */
|
|
627 |
xsmp->waiting_to_save_myself = FALSE; |
|
628 |
update_pending_events (xsmp); |
|
629 |
||
630 |
if (send_interact_done) |
|
631 |
SmcInteractDone (xsmp->connection, False); |
|
632 |
if (send_save_yourself_done) |
|
633 |
SmcSaveYourselfDone (xsmp->connection, True); |
|
634 |
||
635 |
xsmp->state = send_save_yourself_done ? XSMP_STATE_SAVE_YOURSELF_DONE : XSMP_STATE_IDLE; |
|
636 |
}
|
|
637 |
||
638 |
/* SM callbacks */
|
|
639 |
||
640 |
static void |
|
641 |
xsmp_save_yourself (SmcConn smc_conn, |
|
642 |
SmPointer client_data, |
|
643 |
int save_type, |
|
644 |
Bool shutdown, |
|
645 |
int interact_style, |
|
646 |
Bool fast) |
|
647 |
{
|
|
648 |
EggSMClientXSMP *xsmp = client_data; |
|
649 |
gboolean wants_quit_requested; |
|
650 |
||
651 |
g_debug ("Received SaveYourself(%s, %s, %s, %s) in state %s", |
|
652 |
save_type == SmSaveLocal ? "SmSaveLocal" : |
|
653 |
save_type == SmSaveGlobal ? "SmSaveGlobal" : "SmSaveBoth", |
|
654 |
shutdown ? "Shutdown" : "!Shutdown", |
|
655 |
interact_style == SmInteractStyleAny ? "SmInteractStyleAny" : |
|
656 |
interact_style == SmInteractStyleErrors ? "SmInteractStyleErrors" : |
|
657 |
"SmInteractStyleNone", fast ? "Fast" : "!Fast", |
|
658 |
EGG_SM_CLIENT_XSMP_STATE (xsmp)); |
|
659 |
||
660 |
if (xsmp->state != XSMP_STATE_IDLE && |
|
661 |
xsmp->state != XSMP_STATE_SHUTDOWN_CANCELLED) |
|
662 |
{
|
|
663 |
fix_broken_state (xsmp, "SaveYourself", FALSE, TRUE); |
|
664 |
return; |
|
665 |
}
|
|
666 |
||
667 |
if (xsmp->waiting_to_set_initial_properties) |
|
668 |
sm_client_xsmp_set_initial_properties (xsmp); |
|
669 |
||
670 |
/* If this is the initial SaveYourself, ignore it; we've already set
|
|
671 |
* properties and there's no reason to actually save state too.
|
|
672 |
*/
|
|
673 |
if (xsmp->expecting_initial_save_yourself) |
|
674 |
{
|
|
675 |
xsmp->expecting_initial_save_yourself = FALSE; |
|
676 |
||
677 |
if (save_type == SmSaveLocal && |
|
678 |
interact_style == SmInteractStyleNone && |
|
679 |
!shutdown && !fast) |
|
680 |
{
|
|
681 |
g_debug ("Sending SaveYourselfDone(True) for initial SaveYourself"); |
|
682 |
SmcSaveYourselfDone (xsmp->connection, True); |
|
683 |
/* As explained in the comment at the end of
|
|
684 |
* do_save_yourself(), SAVE_YOURSELF_DONE is the correct
|
|
685 |
* state here, not IDLE.
|
|
686 |
*/
|
|
687 |
xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE; |
|
688 |
return; |
|
689 |
}
|
|
690 |
else
|
|
691 |
g_warning ("First SaveYourself was not the expected one!"); |
|
692 |
}
|
|
693 |
||
694 |
/* Even ignoring the "fast" flag completely, there are still 18
|
|
695 |
* different combinations of save_type, shutdown and interact_style.
|
|
696 |
* We interpret them as follows:
|
|
697 |
*
|
|
698 |
* Type Shutdown Interact Interpretation
|
|
699 |
* G F A/E/N do nothing (1)
|
|
700 |
* G T N do nothing (1)*
|
|
701 |
* G T A/E quit_requested (2)
|
|
702 |
* L/B F A/E/N save_state (3)
|
|
703 |
* L/B T N save_state (3)*
|
|
704 |
* L/B T A/E quit_requested, then save_state (4)
|
|
705 |
*
|
|
706 |
* 1. Do nothing, because the SM asked us to do something
|
|
707 |
* uninteresting (save open files, but then don't quit
|
|
708 |
* afterward) or rude (save open files without asking the user
|
|
709 |
* for confirmation).
|
|
710 |
*
|
|
711 |
* 2. Request interaction and then emit ::quit_requested. This
|
|
712 |
* perhaps isn't quite correct for the SmInteractStyleErrors
|
|
713 |
* case, but we don't care.
|
|
714 |
*
|
|
715 |
* 3. Emit ::save_state. The SmSaveBoth SaveYourselfs in these
|
|
716 |
* rows essentially get demoted to SmSaveLocal, because their
|
|
717 |
* Global halves correspond to "do nothing".
|
|
718 |
*
|
|
719 |
* 4. Request interaction, emit ::quit_requested, and then emit
|
|
720 |
* ::save_state after interacting. This is the SmSaveBoth
|
|
721 |
* equivalent of #2, but we also promote SmSaveLocal shutdown
|
|
722 |
* SaveYourselfs to SmSaveBoth here, because we want to give
|
|
723 |
* the user a chance to save open files before quitting.
|
|
724 |
*
|
|
725 |
* (* It would be nice if we could do something useful when the
|
|
726 |
* session manager sends a SaveYourself with shutdown True and
|
|
727 |
* SmInteractStyleNone. But we can't, so we just pretend it didn't
|
|
728 |
* even tell us it was shutting down. The docs for ::quit mention
|
|
729 |
* that it might not always be preceded by ::quit_requested.)
|
|
730 |
*/
|
|
731 |
||
732 |
/* As an optimization, we don't actually request interaction and
|
|
733 |
* emit ::quit_requested if the application isn't listening to the
|
|
734 |
* signal.
|
|
735 |
*/
|
|
736 |
wants_quit_requested = g_signal_has_handler_pending (xsmp, g_signal_lookup ("quit_requested", EGG_TYPE_SM_CLIENT), 0, FALSE); |
|
737 |
||
738 |
xsmp->need_save_state = (save_type != SmSaveGlobal); |
|
739 |
xsmp->need_quit_requested = (shutdown && wants_quit_requested && |
|
740 |
interact_style != SmInteractStyleNone); |
|
741 |
xsmp->interact_errors = (interact_style == SmInteractStyleErrors); |
|
742 |
||
743 |
xsmp->shutting_down = shutdown; |
|
744 |
||
745 |
do_save_yourself (xsmp); |
|
746 |
}
|
|
747 |
||
748 |
static void |
|
749 |
do_save_yourself (EggSMClientXSMP *xsmp) |
|
750 |
{
|
|
751 |
if (xsmp->state == XSMP_STATE_SHUTDOWN_CANCELLED) |
|
752 |
{
|
|
753 |
/* The SM cancelled a previous SaveYourself, but we haven't yet
|
|
754 |
* had a chance to tell the application, so we can't start
|
|
755 |
* processing this SaveYourself yet.
|
|
756 |
*/
|
|
757 |
xsmp->waiting_to_save_myself = TRUE; |
|
758 |
update_pending_events (xsmp); |
|
759 |
return; |
|
760 |
}
|
|
761 |
||
762 |
if (xsmp->need_quit_requested) |
|
763 |
{
|
|
764 |
xsmp->state = XSMP_STATE_INTERACT_REQUEST; |
|
765 |
||
766 |
g_debug ("Sending InteractRequest(%s)", |
|
767 |
xsmp->interact_errors ? "Error" : "Normal"); |
|
768 |
SmcInteractRequest (xsmp->connection, |
|
769 |
xsmp->interact_errors ? SmDialogError : SmDialogNormal, |
|
770 |
xsmp_interact, |
|
771 |
xsmp); |
|
772 |
return; |
|
773 |
}
|
|
774 |
||
775 |
if (xsmp->need_save_state) |
|
776 |
{
|
|
777 |
save_state (xsmp); |
|
778 |
||
779 |
/* Though unlikely, the client could have been disconnected
|
|
780 |
* while the application was saving its state.
|
|
781 |
*/
|
|
782 |
if (!xsmp->connection) |
|
783 |
return; |
|
784 |
}
|
|
785 |
||
786 |
g_debug ("Sending SaveYourselfDone(True)"); |
|
787 |
SmcSaveYourselfDone (xsmp->connection, True); |
|
788 |
||
789 |
/* The client state diagram in the XSMP spec says that after a
|
|
790 |
* non-shutdown SaveYourself, we go directly back to "idle". But
|
|
791 |
* everything else in both the XSMP spec and the libSM docs
|
|
792 |
* disagrees.
|
|
793 |
*/
|
|
794 |
xsmp->state = XSMP_STATE_SAVE_YOURSELF_DONE; |
|
795 |
}
|
|
796 |
||
797 |
static void |
|
798 |
save_state (EggSMClientXSMP *xsmp) |
|
799 |
{
|
|
800 |
GKeyFile *state_file; |
|
801 |
char *state_file_path, *data; |
|
802 |
EggDesktopFile *desktop_file; |
|
803 |
GPtrArray *restart, *discard; |
|
804 |
int offset, fd; |
|
805 |
||
806 |
/* We set xsmp->state before emitting save_state, but our caller is
|
|
807 |
* responsible for setting it back afterward.
|
|
808 |
*/
|
|
809 |
xsmp->state = XSMP_STATE_SAVE_YOURSELF; |
|
810 |
||
811 |
state_file = egg_sm_client_save_state ((EggSMClient *)xsmp); |
|
812 |
if (!state_file) |
|
813 |
{
|
|
814 |
restart = generate_command (xsmp->restart_command, xsmp->client_id, NULL); |
|
815 |
set_properties (xsmp, |
|
816 |
ptrarray_prop (SmRestartCommand, restart), |
|
817 |
NULL); |
|
818 |
g_ptr_array_free (restart, TRUE); |
|
819 |
||
820 |
if (xsmp->set_discard_command) |
|
821 |
{
|
|
822 |
discard = generate_command (xsmp->discard_command, NULL, NULL); |
|
823 |
set_properties (xsmp, |
|
824 |
ptrarray_prop (SmDiscardCommand, discard), |
|
825 |
NULL); |
|
826 |
g_ptr_array_free (discard, TRUE); |
|
827 |
}
|
|
828 |
else
|
|
829 |
delete_properties (xsmp, SmDiscardCommand, NULL); |
|
830 |
||
831 |
return; |
|
832 |
}
|
|
833 |
||
834 |
desktop_file = egg_get_desktop_file (); |
|
835 |
if (desktop_file) |
|
836 |
{
|
|
837 |
GKeyFile *merged_file; |
|
1.1.4
by Sebastian Dröge
Import upstream version 2.26.2 |
838 |
char *desktop_file_path; |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
839 |
|
840 |
merged_file = g_key_file_new (); |
|
1.1.4
by Sebastian Dröge
Import upstream version 2.26.2 |
841 |
desktop_file_path = |
842 |
g_filename_from_uri (egg_desktop_file_get_source (desktop_file), |
|
843 |
NULL, NULL); |
|
844 |
if (desktop_file_path && |
|
845 |
g_key_file_load_from_file (merged_file, desktop_file_path, |
|
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
846 |
G_KEY_FILE_KEEP_COMMENTS | |
847 |
G_KEY_FILE_KEEP_TRANSLATIONS, NULL)) |
|
848 |
{
|
|
849 |
guint g, k, i; |
|
850 |
char **groups, **keys, *value, *exec; |
|
851 |
||
852 |
groups = g_key_file_get_groups (state_file, NULL); |
|
853 |
for (g = 0; groups[g]; g++) |
|
854 |
{
|
|
855 |
keys = g_key_file_get_keys (state_file, groups[g], NULL, NULL); |
|
856 |
for (k = 0; keys[k]; k++) |
|
857 |
{
|
|
858 |
value = g_key_file_get_value (state_file, groups[g], |
|
859 |
keys[k], NULL); |
|
860 |
if (value) |
|
861 |
{
|
|
862 |
g_key_file_set_value (merged_file, groups[g], |
|
863 |
keys[k], value); |
|
864 |
g_free (value); |
|
865 |
}
|
|
866 |
}
|
|
867 |
g_strfreev (keys); |
|
868 |
}
|
|
869 |
g_strfreev (groups); |
|
870 |
||
871 |
g_key_file_free (state_file); |
|
872 |
state_file = merged_file; |
|
873 |
||
874 |
/* Update Exec key using "--sm-client-state-file %k" */
|
|
875 |
restart = generate_command (xsmp->restart_command, |
|
876 |
NULL, "%k"); |
|
877 |
for (i = 0; i < restart->len; i++) |
|
878 |
restart->pdata[i] = g_shell_quote (restart->pdata[i]); |
|
879 |
g_ptr_array_add (restart, NULL); |
|
880 |
exec = g_strjoinv (" ", (char **)restart->pdata); |
|
881 |
g_strfreev ((char **)restart->pdata); |
|
882 |
g_ptr_array_free (restart, FALSE); |
|
883 |
||
884 |
g_key_file_set_string (state_file, EGG_DESKTOP_FILE_GROUP, |
|
885 |
EGG_DESKTOP_FILE_KEY_EXEC, |
|
886 |
exec); |
|
887 |
g_free (exec); |
|
888 |
}
|
|
1.1.4
by Sebastian Dröge
Import upstream version 2.26.2 |
889 |
else
|
890 |
desktop_file = NULL; |
|
891 |
||
892 |
g_free (desktop_file_path); |
|
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
893 |
}
|
894 |
||
895 |
/* Now write state_file to disk. (We can't use mktemp(), because
|
|
896 |
* that requires the filename to end with "XXXXXX", and we want
|
|
897 |
* it to end with ".desktop".)
|
|
898 |
*/
|
|
899 |
||
900 |
data = g_key_file_to_data (state_file, NULL, NULL); |
|
901 |
g_key_file_free (state_file); |
|
902 |
||
903 |
offset = 0; |
|
904 |
while (1) |
|
905 |
{
|
|
906 |
state_file_path = g_strdup_printf ("%s%csession-state%c%s-%ld.%s", |
|
907 |
g_get_user_config_dir (), |
|
908 |
G_DIR_SEPARATOR, G_DIR_SEPARATOR, |
|
909 |
g_get_prgname (), |
|
910 |
(long)time (NULL) + offset, |
|
911 |
desktop_file ? "desktop" : "state"); |
|
912 |
||
913 |
fd = open (state_file_path, O_WRONLY | O_CREAT | O_EXCL, 0644); |
|
914 |
if (fd == -1) |
|
915 |
{
|
|
916 |
if (errno == EEXIST) |
|
917 |
{
|
|
918 |
offset++; |
|
919 |
g_free (state_file_path); |
|
920 |
continue; |
|
921 |
}
|
|
922 |
else if (errno == ENOTDIR || errno == ENOENT) |
|
923 |
{
|
|
924 |
char *sep = strrchr (state_file_path, G_DIR_SEPARATOR); |
|
925 |
||
926 |
*sep = '\0'; |
|
927 |
if (g_mkdir_with_parents (state_file_path, 0755) != 0) |
|
928 |
{
|
|
929 |
g_warning ("Could not create directory '%s'", |
|
930 |
state_file_path); |
|
931 |
g_free (state_file_path); |
|
932 |
state_file_path = NULL; |
|
933 |
break; |
|
934 |
}
|
|
935 |
||
936 |
continue; |
|
937 |
}
|
|
938 |
||
939 |
g_warning ("Could not create file '%s': %s", |
|
940 |
state_file_path, g_strerror (errno)); |
|
941 |
g_free (state_file_path); |
|
942 |
state_file_path = NULL; |
|
943 |
break; |
|
944 |
}
|
|
945 |
||
946 |
close (fd); |
|
947 |
g_file_set_contents (state_file_path, data, -1, NULL); |
|
948 |
break; |
|
949 |
}
|
|
950 |
g_free (data); |
|
951 |
||
952 |
restart = generate_command (xsmp->restart_command, xsmp->client_id, |
|
953 |
state_file_path); |
|
954 |
set_properties (xsmp, |
|
955 |
ptrarray_prop (SmRestartCommand, restart), |
|
956 |
NULL); |
|
957 |
g_ptr_array_free (restart, TRUE); |
|
958 |
||
959 |
if (state_file_path) |
|
960 |
{
|
|
961 |
set_properties (xsmp, |
|
962 |
array_prop (SmDiscardCommand, |
|
963 |
"/bin/rm", "-rf", state_file_path, |
|
964 |
NULL), |
|
965 |
NULL); |
|
966 |
g_free (state_file_path); |
|
967 |
}
|
|
968 |
}
|
|
969 |
||
970 |
static void |
|
971 |
xsmp_interact (SmcConn smc_conn, |
|
972 |
SmPointer client_data) |
|
973 |
{
|
|
974 |
EggSMClientXSMP *xsmp = client_data; |
|
975 |
EggSMClient *client = client_data; |
|
976 |
||
977 |
g_debug ("Received Interact message in state %s", |
|
978 |
EGG_SM_CLIENT_XSMP_STATE (xsmp)); |
|
979 |
||
980 |
if (xsmp->state != XSMP_STATE_INTERACT_REQUEST) |
|
981 |
{
|
|
982 |
fix_broken_state (xsmp, "Interact", TRUE, TRUE); |
|
983 |
return; |
|
984 |
}
|
|
985 |
||
986 |
xsmp->state = XSMP_STATE_INTERACT; |
|
987 |
egg_sm_client_quit_requested (client); |
|
988 |
}
|
|
989 |
||
990 |
static void |
|
991 |
xsmp_die (SmcConn smc_conn, |
|
992 |
SmPointer client_data) |
|
993 |
{
|
|
994 |
EggSMClientXSMP *xsmp = client_data; |
|
995 |
EggSMClient *client = client_data; |
|
996 |
||
997 |
g_debug ("Received Die message in state %s", |
|
998 |
EGG_SM_CLIENT_XSMP_STATE (xsmp)); |
|
999 |
||
1000 |
sm_client_xsmp_disconnect (xsmp); |
|
1001 |
egg_sm_client_quit (client); |
|
1002 |
}
|
|
1003 |
||
1004 |
static void |
|
1005 |
xsmp_save_complete (SmcConn smc_conn, |
|
1006 |
SmPointer client_data) |
|
1007 |
{
|
|
1008 |
EggSMClientXSMP *xsmp = client_data; |
|
1009 |
||
1010 |
g_debug ("Received SaveComplete message in state %s", |
|
1011 |
EGG_SM_CLIENT_XSMP_STATE (xsmp)); |
|
1012 |
||
1013 |
if (xsmp->state == XSMP_STATE_SAVE_YOURSELF_DONE) |
|
1014 |
xsmp->state = XSMP_STATE_IDLE; |
|
1015 |
else
|
|
1016 |
fix_broken_state (xsmp, "SaveComplete", FALSE, FALSE); |
|
1017 |
}
|
|
1018 |
||
1019 |
static void |
|
1020 |
xsmp_shutdown_cancelled (SmcConn smc_conn, |
|
1021 |
SmPointer client_data) |
|
1022 |
{
|
|
1023 |
EggSMClientXSMP *xsmp = client_data; |
|
1024 |
EggSMClient *client = client_data; |
|
1025 |
||
1026 |
g_debug ("Received ShutdownCancelled message in state %s", |
|
1027 |
EGG_SM_CLIENT_XSMP_STATE (xsmp)); |
|
1028 |
||
1029 |
xsmp->shutting_down = FALSE; |
|
1030 |
||
1031 |
if (xsmp->state == XSMP_STATE_SAVE_YOURSELF_DONE) |
|
1032 |
{
|
|
1033 |
/* We've finished interacting and now the SM has agreed to
|
|
1034 |
* cancel the shutdown.
|
|
1035 |
*/
|
|
1036 |
xsmp->state = XSMP_STATE_IDLE; |
|
1037 |
egg_sm_client_quit_cancelled (client); |
|
1038 |
}
|
|
1039 |
else if (xsmp->state == XSMP_STATE_SHUTDOWN_CANCELLED) |
|
1040 |
{
|
|
1041 |
/* Hm... ok, so we got a shutdown SaveYourself, which got
|
|
1042 |
* cancelled, but the application was still interacting, so we
|
|
1043 |
* didn't tell it yet, and then *another* SaveYourself arrived,
|
|
1044 |
* which we must still be waiting to tell the app about, except
|
|
1045 |
* that now that SaveYourself has been cancelled too! Dizzy yet?
|
|
1046 |
*/
|
|
1047 |
xsmp->waiting_to_save_myself = FALSE; |
|
1048 |
update_pending_events (xsmp); |
|
1049 |
}
|
|
1050 |
else
|
|
1051 |
{
|
|
1052 |
g_debug ("Sending SaveYourselfDone(False)"); |
|
1053 |
SmcSaveYourselfDone (xsmp->connection, False); |
|
1054 |
||
1055 |
if (xsmp->state == XSMP_STATE_INTERACT) |
|
1056 |
{
|
|
1057 |
/* The application is currently interacting, so we can't
|
|
1058 |
* tell it about the cancellation yet; we will wait until
|
|
1059 |
* after it calls egg_sm_client_will_quit().
|
|
1060 |
*/
|
|
1061 |
xsmp->state = XSMP_STATE_SHUTDOWN_CANCELLED; |
|
1062 |
}
|
|
1063 |
else
|
|
1064 |
{
|
|
1065 |
/* The shutdown was cancelled before the application got a
|
|
1066 |
* chance to interact.
|
|
1067 |
*/
|
|
1068 |
xsmp->state = XSMP_STATE_IDLE; |
|
1069 |
}
|
|
1070 |
}
|
|
1071 |
}
|
|
1072 |
||
1073 |
/* Utilities */
|
|
1074 |
||
1075 |
/* Create a restart/clone/Exec command based on @restart_command.
|
|
1076 |
* If @client_id is non-%NULL, add "--sm-client-id @client_id".
|
|
1077 |
* If @state_file is non-%NULL, add "--sm-client-state-file @state_file".
|
|
1078 |
*
|
|
1079 |
* None of the input strings are g_strdup()ed; the caller must keep
|
|
1080 |
* them around until it is done with the returned GPtrArray, and must
|
|
1081 |
* then free the array, but not its contents.
|
|
1082 |
*/
|
|
1083 |
static GPtrArray * |
|
1084 |
generate_command (char **argv, const char *client_id, |
|
1085 |
const char *state_file) |
|
1086 |
{
|
|
1087 |
GPtrArray *cmd; |
|
1088 |
int i; |
|
1089 |
||
1090 |
cmd = g_ptr_array_new (); |
|
1091 |
g_ptr_array_add (cmd, argv[0]); |
|
1092 |
||
1093 |
if (client_id) |
|
1094 |
{
|
|
1.1.6
by Sebastien Bacher
Import upstream version 2.27.2 |
1095 |
g_ptr_array_add (cmd, (char *)"--sm-client-id"); |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
1096 |
g_ptr_array_add (cmd, (char *)client_id); |
1097 |
}
|
|
1098 |
||
1099 |
if (state_file) |
|
1100 |
{
|
|
1.1.6
by Sebastien Bacher
Import upstream version 2.27.2 |
1101 |
g_ptr_array_add (cmd, (char *)"--sm-client-state-file"); |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
1102 |
g_ptr_array_add (cmd, (char *)state_file); |
1103 |
}
|
|
1104 |
||
1105 |
for (i = 1; argv[i]; i++) |
|
1106 |
g_ptr_array_add (cmd, argv[i]); |
|
1107 |
||
1108 |
return cmd; |
|
1109 |
}
|
|
1110 |
||
1111 |
/* Takes a NULL-terminated list of SmProp * values, created by
|
|
1112 |
* array_prop, ptrarray_prop, string_prop, card8_prop, sets them, and
|
|
1113 |
* frees them.
|
|
1114 |
*/
|
|
1115 |
static void |
|
1116 |
set_properties (EggSMClientXSMP *xsmp, ...) |
|
1117 |
{
|
|
1118 |
GPtrArray *props; |
|
1119 |
SmProp *prop; |
|
1120 |
va_list ap; |
|
1121 |
guint i; |
|
1122 |
||
1123 |
props = g_ptr_array_new (); |
|
1124 |
||
1125 |
va_start (ap, xsmp); |
|
1126 |
while ((prop = va_arg (ap, SmProp *))) |
|
1127 |
g_ptr_array_add (props, prop); |
|
1128 |
va_end (ap); |
|
1129 |
||
1130 |
if (xsmp->connection) |
|
1131 |
{
|
|
1132 |
SmcSetProperties (xsmp->connection, props->len, |
|
1133 |
(SmProp **)props->pdata); |
|
1134 |
}
|
|
1135 |
||
1136 |
for (i = 0; i < props->len; i++) |
|
1137 |
{
|
|
1138 |
prop = props->pdata[i]; |
|
1139 |
g_free (prop->vals); |
|
1140 |
g_free (prop); |
|
1141 |
}
|
|
1142 |
g_ptr_array_free (props, TRUE); |
|
1143 |
}
|
|
1144 |
||
1145 |
/* Takes a NULL-terminated list of property names and deletes them. */
|
|
1146 |
static void |
|
1147 |
delete_properties (EggSMClientXSMP *xsmp, ...) |
|
1148 |
{
|
|
1149 |
GPtrArray *props; |
|
1150 |
char *prop; |
|
1151 |
va_list ap; |
|
1152 |
||
1153 |
if (!xsmp->connection) |
|
1154 |
return; |
|
1155 |
||
1156 |
props = g_ptr_array_new (); |
|
1157 |
||
1158 |
va_start (ap, xsmp); |
|
1159 |
while ((prop = va_arg (ap, char *))) |
|
1160 |
g_ptr_array_add (props, prop); |
|
1161 |
va_end (ap); |
|
1162 |
||
1163 |
SmcDeleteProperties (xsmp->connection, props->len, |
|
1164 |
(char **)props->pdata); |
|
1165 |
||
1166 |
g_ptr_array_free (props, TRUE); |
|
1167 |
}
|
|
1168 |
||
1169 |
/* Takes an array of strings and creates a LISTofARRAY8 property. The
|
|
1170 |
* strings are neither dupped nor freed; they need to remain valid
|
|
1171 |
* until you're done with the SmProp.
|
|
1172 |
*/
|
|
1173 |
static SmProp * |
|
1174 |
array_prop (const char *name, ...) |
|
1175 |
{
|
|
1176 |
SmProp *prop; |
|
1177 |
SmPropValue pv; |
|
1178 |
GArray *vals; |
|
1179 |
char *value; |
|
1180 |
va_list ap; |
|
1181 |
||
1182 |
prop = g_new (SmProp, 1); |
|
1183 |
prop->name = (char *)name; |
|
1.1.6
by Sebastien Bacher
Import upstream version 2.27.2 |
1184 |
prop->type = (char *)SmLISTofARRAY8; |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
1185 |
|
1186 |
vals = g_array_new (FALSE, FALSE, sizeof (SmPropValue)); |
|
1187 |
||
1188 |
va_start (ap, name); |
|
1189 |
while ((value = va_arg (ap, char *))) |
|
1190 |
{
|
|
1191 |
pv.length = strlen (value); |
|
1192 |
pv.value = value; |
|
1193 |
g_array_append_val (vals, pv); |
|
1194 |
}
|
|
1195 |
||
1196 |
prop->num_vals = vals->len; |
|
1197 |
prop->vals = (SmPropValue *)vals->data; |
|
1198 |
||
1199 |
g_array_free (vals, FALSE); |
|
1200 |
||
1201 |
return prop; |
|
1202 |
}
|
|
1203 |
||
1204 |
/* Takes a GPtrArray of strings and creates a LISTofARRAY8 property.
|
|
1205 |
* The array contents are neither dupped nor freed; they need to
|
|
1206 |
* remain valid until you're done with the SmProp.
|
|
1207 |
*/
|
|
1208 |
static SmProp * |
|
1209 |
ptrarray_prop (const char *name, GPtrArray *values) |
|
1210 |
{
|
|
1211 |
SmProp *prop; |
|
1212 |
SmPropValue pv; |
|
1213 |
GArray *vals; |
|
1214 |
guint i; |
|
1215 |
||
1216 |
prop = g_new (SmProp, 1); |
|
1217 |
prop->name = (char *)name; |
|
1.1.6
by Sebastien Bacher
Import upstream version 2.27.2 |
1218 |
prop->type = (char *)SmLISTofARRAY8; |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
1219 |
|
1220 |
vals = g_array_new (FALSE, FALSE, sizeof (SmPropValue)); |
|
1221 |
||
1222 |
for (i = 0; i < values->len; i++) |
|
1223 |
{
|
|
1224 |
pv.length = strlen (values->pdata[i]); |
|
1225 |
pv.value = values->pdata[i]; |
|
1226 |
g_array_append_val (vals, pv); |
|
1227 |
}
|
|
1228 |
||
1229 |
prop->num_vals = vals->len; |
|
1230 |
prop->vals = (SmPropValue *)vals->data; |
|
1231 |
||
1232 |
g_array_free (vals, FALSE); |
|
1233 |
||
1234 |
return prop; |
|
1235 |
}
|
|
1236 |
||
1237 |
/* Takes a string and creates an ARRAY8 property. The string is
|
|
1238 |
* neither dupped nor freed; it needs to remain valid until you're
|
|
1239 |
* done with the SmProp.
|
|
1240 |
*/
|
|
1241 |
static SmProp * |
|
1242 |
string_prop (const char *name, const char *value) |
|
1243 |
{
|
|
1244 |
SmProp *prop; |
|
1245 |
||
1246 |
prop = g_new (SmProp, 1); |
|
1247 |
prop->name = (char *)name; |
|
1.1.6
by Sebastien Bacher
Import upstream version 2.27.2 |
1248 |
prop->type = (char *)SmARRAY8; |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
1249 |
|
1250 |
prop->num_vals = 1; |
|
1251 |
prop->vals = g_new (SmPropValue, 1); |
|
1252 |
||
1253 |
prop->vals[0].length = strlen (value); |
|
1254 |
prop->vals[0].value = (char *)value; |
|
1255 |
||
1256 |
return prop; |
|
1257 |
}
|
|
1258 |
||
1259 |
/* Takes a char and creates a CARD8 property. */
|
|
1260 |
static SmProp * |
|
1261 |
card8_prop (const char *name, unsigned char value) |
|
1262 |
{
|
|
1263 |
SmProp *prop; |
|
1264 |
char *card8val; |
|
1265 |
||
1266 |
/* To avoid having to allocate and free prop->vals[0], we cheat and
|
|
1267 |
* make vals a 2-element-long array and then use the second element
|
|
1268 |
* to store value.
|
|
1269 |
*/
|
|
1270 |
||
1271 |
prop = g_new (SmProp, 1); |
|
1272 |
prop->name = (char *)name; |
|
1.1.6
by Sebastien Bacher
Import upstream version 2.27.2 |
1273 |
prop->type = (char *)SmCARD8; |
1.2.47
by Didier Roche
Import upstream version 2.25.3 |
1274 |
|
1275 |
prop->num_vals = 1; |
|
1276 |
prop->vals = g_new (SmPropValue, 2); |
|
1277 |
card8val = (char *)(&prop->vals[1]); |
|
1278 |
card8val[0] = value; |
|
1279 |
||
1280 |
prop->vals[0].length = 1; |
|
1281 |
prop->vals[0].value = card8val; |
|
1282 |
||
1283 |
return prop; |
|
1284 |
}
|
|
1285 |
||
1286 |
/* ICE code. This makes no effort to play nice with anyone else trying
|
|
1287 |
* to use libICE. Fortunately, no one uses libICE for anything other
|
|
1288 |
* than SM. (DCOP uses ICE, but it has its own private copy of
|
|
1289 |
* libICE.)
|
|
1290 |
*
|
|
1291 |
* When this moves to gtk, it will need to be cleverer, to avoid
|
|
1292 |
* tripping over old apps that use GnomeClient or that use libSM
|
|
1293 |
* directly.
|
|
1294 |
*/
|
|
1295 |
||
1296 |
#include <X11/ICE/ICElib.h> |
|
1297 |
#include <fcntl.h> |
|
1298 |
||
1299 |
static void ice_error_handler (IceConn ice_conn, |
|
1300 |
Bool swap, |
|
1301 |
int offending_minor_opcode, |
|
1302 |
unsigned long offending_sequence, |
|
1303 |
int error_class, |
|
1304 |
int severity, |
|
1305 |
IcePointer values); |
|
1306 |
static void ice_io_error_handler (IceConn ice_conn); |
|
1307 |
static void ice_connection_watch (IceConn ice_conn, |
|
1308 |
IcePointer client_data, |
|
1309 |
Bool opening, |
|
1310 |
IcePointer *watch_data); |
|
1311 |
||
1312 |
static void |
|
1313 |
ice_init (void) |
|
1314 |
{
|
|
1315 |
IceSetIOErrorHandler (ice_io_error_handler); |
|
1316 |
IceSetErrorHandler (ice_error_handler); |
|
1317 |
IceAddConnectionWatch (ice_connection_watch, NULL); |
|
1318 |
}
|
|
1319 |
||
1320 |
static gboolean |
|
1321 |
process_ice_messages (IceConn ice_conn) |
|
1322 |
{
|
|
1323 |
IceProcessMessagesStatus status; |
|
1324 |
||
1325 |
gdk_threads_enter (); |
|
1326 |
status = IceProcessMessages (ice_conn, NULL, NULL); |
|
1327 |
gdk_threads_leave (); |
|
1328 |
||
1329 |
switch (status) |
|
1330 |
{
|
|
1331 |
case IceProcessMessagesSuccess: |
|
1332 |
return TRUE; |
|
1333 |
||
1334 |
case IceProcessMessagesIOError: |
|
1335 |
sm_client_xsmp_disconnect (IceGetConnectionContext (ice_conn)); |
|
1336 |
return FALSE; |
|
1337 |
||
1338 |
case IceProcessMessagesConnectionClosed: |
|
1339 |
return FALSE; |
|
1340 |
||
1341 |
default: |
|
1342 |
g_assert_not_reached (); |
|
1343 |
}
|
|
1344 |
}
|
|
1345 |
||
1346 |
static gboolean |
|
1347 |
ice_iochannel_watch (GIOChannel *channel, |
|
1348 |
GIOCondition condition, |
|
1349 |
gpointer client_data) |
|
1350 |
{
|
|
1351 |
return process_ice_messages (client_data); |
|
1352 |
}
|
|
1353 |
||
1354 |
static void |
|
1355 |
ice_connection_watch (IceConn ice_conn, |
|
1356 |
IcePointer client_data, |
|
1357 |
Bool opening, |
|
1358 |
IcePointer *watch_data) |
|
1359 |
{
|
|
1360 |
guint watch_id; |
|
1361 |
||
1362 |
if (opening) |
|
1363 |
{
|
|
1364 |
GIOChannel *channel; |
|
1365 |
int fd = IceConnectionNumber (ice_conn); |
|
1366 |
||
1367 |
fcntl (fd, F_SETFD, fcntl (fd, F_GETFD, 0) | FD_CLOEXEC); |
|
1368 |
channel = g_io_channel_unix_new (fd); |
|
1369 |
watch_id = g_io_add_watch (channel, G_IO_IN | G_IO_ERR, |
|
1370 |
ice_iochannel_watch, ice_conn); |
|
1371 |
g_io_channel_unref (channel); |
|
1372 |
||
1373 |
*watch_data = GUINT_TO_POINTER (watch_id); |
|
1374 |
}
|
|
1375 |
else
|
|
1376 |
{
|
|
1377 |
watch_id = GPOINTER_TO_UINT (*watch_data); |
|
1378 |
g_source_remove (watch_id); |
|
1379 |
}
|
|
1380 |
}
|
|
1381 |
||
1382 |
static void |
|
1383 |
ice_error_handler (IceConn ice_conn, |
|
1384 |
Bool swap, |
|
1385 |
int offending_minor_opcode, |
|
1386 |
unsigned long offending_sequence, |
|
1387 |
int error_class, |
|
1388 |
int severity, |
|
1389 |
IcePointer values) |
|
1390 |
{
|
|
1391 |
/* Do nothing */
|
|
1392 |
}
|
|
1393 |
||
1394 |
static void |
|
1395 |
ice_io_error_handler (IceConn ice_conn) |
|
1396 |
{
|
|
1397 |
/* Do nothing */
|
|
1398 |
}
|
|
1399 |
||
1400 |
static void |
|
1401 |
smc_error_handler (SmcConn smc_conn, |
|
1402 |
Bool swap, |
|
1403 |
int offending_minor_opcode, |
|
1404 |
unsigned long offending_sequence, |
|
1405 |
int error_class, |
|
1406 |
int severity, |
|
1407 |
SmPointer values) |
|
1408 |
{
|
|
1409 |
/* Do nothing */
|
|
1410 |
}
|