/
dbus.c
426 lines (364 loc) · 17.4 KB
/
dbus.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
/* copyright 2013 Sascha Kruse and contributors (see LICENSE for licensing information) */
#include <glib.h>
#include <gio/gio.h>
#include "dunst.h"
#include "dbus.h"
#include "notification.h"
GDBusConnection *dbus_conn;
static GDBusNodeInfo *introspection_data = NULL;
static const char *introspection_xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<node name=\"/org/freedesktop/Notifications\">"
" <interface name=\"org.freedesktop.Notifications\">"
" <method name=\"GetCapabilities\">"
" <arg direction=\"out\" name=\"capabilities\" type=\"as\"/>"
" </method>"
" <method name=\"Notify\">"
" <arg direction=\"in\" name=\"app_name\" type=\"s\"/>"
" <arg direction=\"in\" name=\"replaces_id\" type=\"u\"/>"
" <arg direction=\"in\" name=\"app_icon\" type=\"s\"/>"
" <arg direction=\"in\" name=\"summary\" type=\"s\"/>"
" <arg direction=\"in\" name=\"body\" type=\"s\"/>"
" <arg direction=\"in\" name=\"actions\" type=\"as\"/>"
" <arg direction=\"in\" name=\"hints\" type=\"a{sv}\"/>"
" <arg direction=\"in\" name=\"expire_timeout\" type=\"i\"/>"
" <arg direction=\"out\" name=\"id\" type=\"u\"/>"
" </method>"
" <method name=\"CloseNotification\">"
" <arg direction=\"in\" name=\"id\" type=\"u\"/>"
" </method>"
" <method name=\"GetServerInformation\">"
" <arg direction=\"out\" name=\"name\" type=\"s\"/>"
" <arg direction=\"out\" name=\"vendor\" type=\"s\"/>"
" <arg direction=\"out\" name=\"version\" type=\"s\"/>"
" <arg direction=\"out\" name=\"spec_version\" type=\"s\"/>"
" </method>"
" <signal name=\"NotificationClosed\">"
" <arg name=\"id\" type=\"u\"/>"
" <arg name=\"reason\" type=\"u\"/>"
" </signal>"
" <signal name=\"ActionInvoked\">"
" <arg name=\"id\" type=\"u\"/>"
" <arg name=\"action_key\" type=\"s\"/>"
" </signal>"
" </interface>"
"</node>";
static void onGetCapabilities(GDBusConnection * connection,
const gchar * sender,
const GVariant * parameters,
GDBusMethodInvocation * invocation);
static void onNotify(GDBusConnection * connection,
const gchar * sender,
GVariant * parameters, GDBusMethodInvocation * invocation);
static void onCloseNotification(GDBusConnection * connection,
const gchar * sender,
GVariant * parameters,
GDBusMethodInvocation * invocation);
static void onGetServerInformation(GDBusConnection * connection,
const gchar * sender,
const GVariant * parameters,
GDBusMethodInvocation * invocation);
void handle_method_call(GDBusConnection * connection,
const gchar * sender,
const gchar * object_path,
const gchar * interface_name,
const gchar * method_name,
GVariant * parameters,
GDBusMethodInvocation * invocation, gpointer user_data)
{
if (g_strcmp0(method_name, "GetCapabilities") == 0) {
onGetCapabilities(connection, sender, parameters, invocation);
} else if (g_strcmp0(method_name, "Notify") == 0) {
onNotify(connection, sender, parameters, invocation);
} else if (g_strcmp0(method_name, "CloseNotification") == 0) {
onCloseNotification(connection, sender, parameters, invocation);
} else if (g_strcmp0(method_name, "GetServerInformation") == 0) {
onGetServerInformation(connection, sender, parameters,
invocation);
} else {
printf("WARNING: sender: %s; unknown method_name: %s\n", sender,
method_name);
}
}
static void onGetCapabilities(GDBusConnection * connection,
const gchar * sender,
const GVariant * parameters,
GDBusMethodInvocation * invocation)
{
GVariantBuilder *builder;
GVariant *value;
builder = g_variant_builder_new(G_VARIANT_TYPE("as"));
g_variant_builder_add(builder, "s", "actions");
g_variant_builder_add(builder, "s", "body");
g_variant_builder_add(builder, "s", "body-markup");
value = g_variant_new("(as)", builder);
g_variant_builder_unref(builder);
g_dbus_method_invocation_return_value(invocation, value);
g_dbus_connection_flush(connection, NULL, NULL, NULL);
g_variant_unref(value);
}
static void onNotify(GDBusConnection * connection,
const gchar * sender,
GVariant * parameters, GDBusMethodInvocation * invocation)
{
gchar *appname = NULL;
guint replaces_id = 0;
gchar *icon = NULL;
gchar *summary = NULL;
gchar *body = NULL;
Actions *actions = malloc(sizeof(Actions));
gint timeout = -1;
/* hints */
gint urgency = 1;
gint progress = -1;
gchar *fgcolor = NULL;
gchar *bgcolor = NULL;
gchar *category = NULL;
actions->actions = NULL;
actions->count = 0;
{
GVariantIter *iter = g_variant_iter_new(parameters);
GVariant *content;
GVariant *dict_value;
int idx = 0;
while ((content = g_variant_iter_next_value(iter))) {
switch (idx) {
case 0:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_STRING))
appname =
g_variant_dup_string(content, NULL);
break;
case 1:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_UINT32))
replaces_id =
g_variant_get_uint32(content);
break;
case 2:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_STRING))
icon =
g_variant_dup_string(content, NULL);
break;
case 3:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_STRING))
summary =
g_variant_dup_string(content, NULL);
break;
case 4:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_STRING))
body =
g_variant_dup_string(content, NULL);
break;
case 5:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_STRING_ARRAY))
actions->actions =
g_variant_dup_strv(content,
&(actions->
count));
break;
case 6:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_DICTIONARY)) {
dict_value =
g_variant_lookup_value(content,
"urgency",
G_VARIANT_TYPE_BYTE);
if (dict_value)
urgency =
g_variant_get_byte
(dict_value);
dict_value =
g_variant_lookup_value(content,
"fgcolor",
G_VARIANT_TYPE_STRING);
if (dict_value)
fgcolor =
g_variant_dup_string
(dict_value, NULL);
dict_value =
g_variant_lookup_value(content,
"bgcolor",
G_VARIANT_TYPE_STRING);
if (dict_value)
bgcolor =
g_variant_dup_string
(dict_value, NULL);
dict_value =
g_variant_lookup_value(content,
"category",
G_VARIANT_TYPE_STRING);
if (dict_value) {
category =
g_variant_dup_string(
dict_value, NULL);
}
dict_value =
g_variant_lookup_value(content,
"value",
G_VARIANT_TYPE_INT32);
if (dict_value) {
progress =
g_variant_get_int32(dict_value);
} else {
dict_value =
g_variant_lookup_value(content,
"value",
G_VARIANT_TYPE_UINT32);
if (dict_value)
progress =
g_variant_get_uint32(dict_value);
}
}
break;
case 7:
if (g_variant_is_of_type
(content, G_VARIANT_TYPE_INT32))
timeout = g_variant_get_int32(content);
break;
}
g_variant_unref(content);
idx++;
}
g_variant_iter_free(iter);
}
fflush(stdout);
if (timeout > 0) {
/* do some rounding */
timeout = (timeout + 500) / 1000;
if (timeout < 1) {
timeout = 1;
}
}
notification *n = malloc(sizeof(notification));
n->appname = appname;
n->summary = summary;
n->body = body;
n->icon = icon;
n->timeout = timeout;
n->progress = (progress < 0 || progress > 100) ? 0 : progress + 1;
n->urgency = urgency;
n->category = category;
n->dbus_client = strdup(sender);
if (actions->count > 0) {
n->actions = actions;
} else {
n->actions = NULL;
free(actions);
}
for (int i = 0; i < ColLast; i++) {
n->color_strings[i] = NULL;
}
n->color_strings[ColFG] = fgcolor;
n->color_strings[ColBG] = bgcolor;
int id = notification_init(n, replaces_id);
wake_up();
GVariant *reply = g_variant_new("(u)", id);
g_dbus_method_invocation_return_value(invocation, reply);
g_dbus_connection_flush(connection, NULL, NULL, NULL);
run(NULL);
}
static void onCloseNotification(GDBusConnection * connection,
const gchar * sender,
GVariant * parameters,
GDBusMethodInvocation * invocation)
{
guint32 id;
g_variant_get(parameters, "(u)", &id);
notification_close_by_id(id, 3);
g_dbus_method_invocation_return_value(invocation, NULL);
g_dbus_connection_flush(connection, NULL, NULL, NULL);
}
static void onGetServerInformation(GDBusConnection * connection,
const gchar * sender,
const GVariant * parameters,
GDBusMethodInvocation * invocation)
{
GVariant *value;
value = g_variant_new("(ssss)", "dunst", "knopwob", VERSION, "1.2");
g_dbus_method_invocation_return_value(invocation, value);
g_dbus_connection_flush(connection, NULL, NULL, NULL);
}
void notificationClosed(notification * n, int reason)
{
if (!dbus_conn) {
printf("DEBUG: notificationClosed but not (yet) connected\n");
return;
}
GVariant *body = g_variant_new("(uu)", n->id, reason);
GError *err = NULL;
g_dbus_connection_emit_signal(dbus_conn,
n->dbus_client,
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications",
"NotificationClosed", body, &err);
if (err) {
printf("notificationClosed ERROR\n");
}
}
void actionInvoked(notification * n, const char *identifier)
{
GVariant *body = g_variant_new("(us)", n->id, identifier);
GError *err = NULL;
g_dbus_connection_emit_signal(dbus_conn,
n->dbus_client,
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications",
"ActionInvoked", body, &err);
if (err) {
printf("ActionInvoked ERROR\n");
}
}
static const GDBusInterfaceVTable interface_vtable = {
handle_method_call
};
static void on_bus_acquired(GDBusConnection * connection,
const gchar * name, gpointer user_data)
{
guint registration_id;
registration_id = g_dbus_connection_register_object(connection,
"/org/freedesktop/Notifications",
introspection_data->
interfaces[0],
&interface_vtable,
NULL, NULL, NULL);
if (registration_id <= 0) {
fprintf(stderr, "Unable to register\n");
exit(1);
}
}
static void on_name_acquired(GDBusConnection * connection,
const gchar * name, gpointer user_data)
{
dbus_conn = connection;
}
static void on_name_lost(GDBusConnection * connection,
const gchar * name, gpointer user_data)
{
fprintf(stderr, "Name Lost. Is Another notification daemon running?\n");
exit(1);
}
int initdbus(void)
{
guint owner_id;
#if !GLIB_CHECK_VERSION(2,35,0)
g_type_init();
#endif
introspection_data = g_dbus_node_info_new_for_xml(introspection_xml,
NULL);
owner_id = g_bus_own_name(G_BUS_TYPE_SESSION,
"org.freedesktop.Notifications",
G_BUS_NAME_OWNER_FLAGS_NONE,
on_bus_acquired,
on_name_acquired, on_name_lost, NULL, NULL);
return owner_id;
}
void dbus_tear_down(int owner_id)
{
g_bus_unown_name(owner_id);
}
/* vim: set ts=8 sw=8 tw=0: */