aboutsummaryrefslogtreecommitdiff
path: root/src/app-menu-item.c
blob: f792128ed778bad498e6dd720caca801fa6105d0 (plain)
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
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
/*
An indicator to show information that is in messaging applications
that the user is using.

Copyright 2009 Canonical Ltd.

Authors:
    Ted Gould <ted@canonical.com>

This program is free software: you can redistribute it and/or modify it 
under the terms of the GNU General Public License version 3, as published 
by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranties of 
MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along 
with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <glib/gi18n.h>
#include <gio/gdesktopappinfo.h>
#include <libdbusmenu-glib/client.h>
#include <libdbusmenu-glib/menuitem-proxy.h>
#include "app-menu-item.h"
#include "dbus-data.h"
#include "default-applications.h"

enum {
	COUNT_CHANGED,
	NAME_CHANGED,
	SHORTCUTS_CHANGED,
	LAST_SIGNAL
};

static guint signals[LAST_SIGNAL] = { 0 };

typedef struct _AppMenuItemPrivate AppMenuItemPrivate;

struct _AppMenuItemPrivate
{
	IndicateListener *            listener;
	IndicateListenerServer *      server;
	
	gchar * type;
	GAppInfo * appinfo;
	gchar * desktop;
	guint unreadcount;

	DbusmenuClient * client;
	DbusmenuMenuitem * root;
	GList * shortcuts;
};

#define APP_MENU_ITEM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), APP_MENU_ITEM_TYPE, AppMenuItemPrivate))

/* Prototypes */
static void app_menu_item_class_init (AppMenuItemClass *klass);
static void app_menu_item_init       (AppMenuItem *self);
static void app_menu_item_dispose    (GObject *object);
static void app_menu_item_finalize   (GObject *object);
static void activate_cb (AppMenuItem * self, guint timestamp, gpointer data);
static void count_changed (IndicateListener * listener, IndicateListenerServer * server, guint count, gpointer data);
static void count_cb (IndicateListener * listener, IndicateListenerServer * server, guint value, gpointer data);
static void menu_cb (IndicateListener * listener, IndicateListenerServer * server, gchar * menupath, gpointer data);
static void desktop_cb (IndicateListener * listener, IndicateListenerServer * server, gchar * value, gpointer data);
static void update_label (AppMenuItem * self);

/* GObject Boilerplate */
G_DEFINE_TYPE (AppMenuItem, app_menu_item, DBUSMENU_TYPE_MENUITEM);

static void
app_menu_item_class_init (AppMenuItemClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	g_type_class_add_private (klass, sizeof (AppMenuItemPrivate));

	object_class->dispose = app_menu_item_dispose;
	object_class->finalize = app_menu_item_finalize;

	signals[COUNT_CHANGED] = g_signal_new(APP_MENU_ITEM_SIGNAL_COUNT_CHANGED,
	                                      G_TYPE_FROM_CLASS(klass),
	                                      G_SIGNAL_RUN_LAST,
	                                      G_STRUCT_OFFSET (AppMenuItemClass, count_changed),
	                                      NULL, NULL,
	                                      g_cclosure_marshal_VOID__UINT,
	                                      G_TYPE_NONE, 1, G_TYPE_UINT);
	signals[NAME_CHANGED] =  g_signal_new(APP_MENU_ITEM_SIGNAL_NAME_CHANGED,
	                                      G_TYPE_FROM_CLASS(klass),
	                                      G_SIGNAL_RUN_LAST,
	                                      G_STRUCT_OFFSET (AppMenuItemClass, name_changed),
	                                      NULL, NULL,
	                                      g_cclosure_marshal_VOID__STRING,
	                                      G_TYPE_NONE, 1, G_TYPE_STRING);
	signals[SHORTCUTS_CHANGED] =  g_signal_new(APP_MENU_ITEM_SIGNAL_SHORTCUTS_CHANGED,
	                                      G_TYPE_FROM_CLASS(klass),
	                                      G_SIGNAL_RUN_LAST,
	                                      G_STRUCT_OFFSET (AppMenuItemClass, shortcuts_changed),
	                                      NULL, NULL,
	                                      g_cclosure_marshal_VOID__VOID,
	                                      G_TYPE_NONE, 0, G_TYPE_NONE);

	return;
}

static void
app_menu_item_init (AppMenuItem *self)
{
	g_debug("Building new App Menu Item");
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	priv->listener = NULL;
	priv->server = NULL;
	priv->type = NULL;
	priv->appinfo = NULL;
	priv->desktop = NULL;
	priv->unreadcount = 0;

	priv->client = NULL;
	priv->root = NULL;
	priv->shortcuts = NULL;

	return;
}

/* A wrapper to make the prototypes work for GFunc */
static void
func_unref (gpointer data, gpointer user_data)
{
	g_object_unref(G_OBJECT(data));
	return;
}

/* Disconnect the count_changed signal and unref the listener */
static void
app_menu_item_dispose (GObject *object)
{
	AppMenuItem * self = APP_MENU_ITEM(object);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	if (priv->listener != NULL) {
		g_signal_handlers_disconnect_by_func(G_OBJECT(priv->listener), count_changed, self);
		g_object_unref(priv->listener);
		priv->listener = NULL;
	}

	if (priv->shortcuts != NULL) {
		g_list_foreach(priv->shortcuts, func_unref, NULL);
		g_list_free(priv->shortcuts);
		priv->shortcuts = NULL;
		g_signal_emit(object, signals[SHORTCUTS_CHANGED], 0, TRUE);
	}

	if (priv->root != NULL) {
		g_object_unref(priv->root);
		priv->root = NULL;
	}

	if (priv->client != NULL) {
		g_object_unref(priv->client);
		priv->client = NULL;
	}

	G_OBJECT_CLASS (app_menu_item_parent_class)->dispose (object);
}

/* Free the memory used by our type, desktop file and application
   info structures. */
static void
app_menu_item_finalize (GObject *object)
{
	AppMenuItem * self = APP_MENU_ITEM(object);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	if (priv->type != NULL) {
		g_free(priv->type);
	}

	if (priv->desktop != NULL) {
		g_free(priv->desktop);
	}

	if (priv->appinfo != NULL) {
		g_object_unref(priv->appinfo);
	}

	G_OBJECT_CLASS (app_menu_item_parent_class)->finalize (object);

	return;
}

AppMenuItem *
app_menu_item_new (IndicateListener * listener, IndicateListenerServer * server)
{
	AppMenuItem * self = g_object_new(APP_MENU_ITEM_TYPE, NULL);

	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	/* Copy the listener so we can use it later */
	priv->listener = listener;
	g_object_ref(G_OBJECT(listener));

	/* Can not ref as not real GObject */
	priv->server = server;

	/* Set up listener signals */
	g_signal_connect(G_OBJECT(listener), INDICATE_LISTENER_SIGNAL_SERVER_COUNT_CHANGED, G_CALLBACK(count_changed), self);

	/* Get the values we care about from the server */
	indicate_listener_server_get_desktop(listener, server, desktop_cb, self);
	indicate_listener_server_get_count(listener, server, count_cb, self);
	indicate_listener_server_get_menu(listener, server, menu_cb, self);

	g_signal_connect(G_OBJECT(self), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(activate_cb), NULL);

	indicate_listener_server_show_interest(listener, server, INDICATE_INTEREST_SERVER_DISPLAY);
	indicate_listener_server_show_interest(listener, server, INDICATE_INTEREST_SERVER_SIGNAL);
	indicate_listener_server_show_interest(listener, server, INDICATE_INTEREST_INDICATOR_COUNT);
	indicate_listener_server_show_interest(listener, server, INDICATE_INTEREST_INDICATOR_DISPLAY);
	indicate_listener_server_show_interest(listener, server, INDICATE_INTEREST_INDICATOR_SIGNAL);
	indicate_listener_set_server_max_indicators(listener, server, MAX_NUMBER_OF_INDICATORS);

	return self;
}

static void
update_label (AppMenuItem * self)
{
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);
	const gchar * name = get_default_name(priv->desktop);

	if (name == NULL) {
		name = app_menu_item_get_name(self);
	}

	if (priv->unreadcount > 0) {
		/* TRANSLATORS: This is the name of the program and the number of indicators.  So it
		                would read something like "Mail Client (5)" */
		gchar * label = g_strdup_printf(_("%s (%d)"), _(name), priv->unreadcount);
		dbusmenu_menuitem_property_set(DBUSMENU_MENUITEM(self), DBUSMENU_MENUITEM_PROP_LABEL, label);
		g_free(label);
	} else {
		dbusmenu_menuitem_property_set(DBUSMENU_MENUITEM(self), DBUSMENU_MENUITEM_PROP_LABEL, _(name));
	}

	return;
}

/* Callback to the signal that the server count
   has changed to a new value.  This checks to see if
   it's actually changed and if so signals everyone and
   updates the label. */
static void
count_changed (IndicateListener * listener, IndicateListenerServer * server, guint count, gpointer data)
{
	g_return_if_fail(IS_APP_MENU_ITEM(data));
	AppMenuItem * self = APP_MENU_ITEM(data);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	if (priv->unreadcount != count) {
		priv->unreadcount = count;
		update_label(self);
		g_signal_emit(G_OBJECT(self), signals[COUNT_CHANGED], 0, priv->unreadcount, TRUE);
	}

	return;
}

/* Callback for getting the count property off
   of the server. */
static void 
count_cb (IndicateListener * listener, IndicateListenerServer * server, guint value, gpointer data)
{
	count_changed(listener, server, value, data);
	return;
}

/* Callback for when we ask the server for the path
   to it's desktop file.  We then turn it into an
   app structure and start sucking data out of it.
   Mostly the name. */
static void 
desktop_cb (IndicateListener * listener, IndicateListenerServer * server, gchar * value, gpointer data)
{
	g_return_if_fail(IS_APP_MENU_ITEM(data));
	AppMenuItem * self = APP_MENU_ITEM(data);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	if (priv->appinfo != NULL) {
		g_object_unref(G_OBJECT(priv->appinfo));
		priv->appinfo = NULL;
	}

	if (priv->desktop != NULL) {
		g_free(priv->desktop);
		priv->desktop = NULL;
	}

	if (value == NULL || value[0] == '\0') {
		return;
	}

	priv->appinfo = G_APP_INFO(g_desktop_app_info_new_from_filename(value));
	g_return_if_fail(priv->appinfo != NULL);

	priv->desktop = g_strdup(value);

	update_label(self);

	GIcon * icon = g_app_info_get_icon(priv->appinfo);
	gchar * iconstr = g_icon_to_string(icon);
	dbusmenu_menuitem_property_set(DBUSMENU_MENUITEM(self), DBUSMENU_MENUITEM_PROP_ICON_NAME, iconstr);
	g_free(iconstr);

	g_signal_emit(G_OBJECT(self), signals[NAME_CHANGED], 0, app_menu_item_get_name(self), TRUE);

	return;
}

/* Relay this signal into causing a rebuild of the shortcuts
   from those above us. */
static void
child_added_cb (DbusmenuMenuitem * root, DbusmenuMenuitem * child, guint position, gpointer data)
{
	g_return_if_fail(IS_APP_MENU_ITEM(data));
	AppMenuItem * self = APP_MENU_ITEM(data);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);
	DbusmenuMenuitemProxy * mip = dbusmenu_menuitem_proxy_new(child);

	priv->shortcuts = g_list_insert(priv->shortcuts, mip, position);

	g_signal_emit(G_OBJECT(data), signals[SHORTCUTS_CHANGED], 0, TRUE);
	return;
}

/* Relay this signal into causing a rebuild of the shortcuts
   from those above us. */
static void
child_removed_cb (DbusmenuMenuitem * root, DbusmenuMenuitem * child, gpointer data)
{
	g_return_if_fail(IS_APP_MENU_ITEM(data));
	AppMenuItem * self = APP_MENU_ITEM(data);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	GList * pitems = priv->shortcuts;
	while (pitems != NULL) {
		DbusmenuMenuitemProxy * mip = DBUSMENU_MENUITEM_PROXY(pitems->data);

		if (dbusmenu_menuitem_proxy_get_wrapped(mip) == child) {
			break;
		}

		pitems = g_list_next(pitems);
	}

	if (pitems != NULL) {
		DbusmenuMenuitemProxy * mip = DBUSMENU_MENUITEM_PROXY(pitems->data);
		g_object_unref(mip);
		priv->shortcuts = g_list_remove(priv->shortcuts, mip);

		g_signal_emit(G_OBJECT(data), signals[SHORTCUTS_CHANGED], 0, TRUE);
	}

	return;
}

/* Relay this signal into causing a rebuild of the shortcuts
   from those above us. */
static void 
child_moved_cb (DbusmenuMenuitem * root, DbusmenuMenuitem * child, guint newpos, guint oldpos, gpointer data)
{
	g_return_if_fail(IS_APP_MENU_ITEM(data));
	AppMenuItem * self = APP_MENU_ITEM(data);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	DbusmenuMenuitemProxy * mip = DBUSMENU_MENUITEM_PROXY(g_list_nth_data(priv->shortcuts, oldpos));

	if (mip != NULL) {
		if (dbusmenu_menuitem_proxy_get_wrapped(mip) != child) {
			mip = NULL;
		}
	}

	if (mip != NULL) {
		priv->shortcuts = g_list_remove(priv->shortcuts, mip);
		priv->shortcuts = g_list_insert(priv->shortcuts, mip, newpos);
		g_signal_emit(G_OBJECT(data), signals[SHORTCUTS_CHANGED], 0, TRUE);
	}

	return;
}

/* We've got a new root.  We need to proxy it and handle it's children
   if that's a relevant thing to do. */
static void
root_changed (DbusmenuClient * client, DbusmenuMenuitem * newroot, gpointer data)
{
	g_debug("Root Changed");
	AppMenuItem * self = APP_MENU_ITEM(data);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);
	gboolean change_time = FALSE;

	if (priv->root != NULL) {
		if (dbusmenu_menuitem_get_children(DBUSMENU_MENUITEM(priv->root)) != NULL) {
			change_time = TRUE;
			g_list_foreach(priv->shortcuts, func_unref, NULL);
			g_list_free(priv->shortcuts);
			priv->shortcuts = NULL;
		}
		g_object_unref(priv->root);
		priv->root = NULL;
	}

	/* We need to proxy the new root across to the old
	   world of indicator land. */
	priv->root = newroot;
	g_object_ref(priv->root);
	g_signal_connect(G_OBJECT(priv->root), DBUSMENU_MENUITEM_SIGNAL_CHILD_ADDED,   G_CALLBACK(child_added_cb),   self);
	g_signal_connect(G_OBJECT(priv->root), DBUSMENU_MENUITEM_SIGNAL_CHILD_REMOVED, G_CALLBACK(child_removed_cb), self);
	g_signal_connect(G_OBJECT(priv->root), DBUSMENU_MENUITEM_SIGNAL_CHILD_MOVED,   G_CALLBACK(child_moved_cb),   self);

	/* See if we have any menuitems to worry about,
	   otherwise we'll just move along. */
	GList * children = dbusmenu_menuitem_get_children(DBUSMENU_MENUITEM(priv->root));
	if (children != NULL) {
		change_time = TRUE;
		g_debug("\tProcessing %d children", g_list_length(children));
		while (children != NULL) {
			DbusmenuMenuitemProxy * mip = dbusmenu_menuitem_proxy_new(DBUSMENU_MENUITEM(children->data));
			priv->shortcuts = g_list_append(priv->shortcuts, mip);
			children = g_list_next(children);
		}
	}

	if (change_time) {
		g_signal_emit(G_OBJECT(self), signals[SHORTCUTS_CHANGED], 0, TRUE);
	}

	return;
}

/* Gets the path to menuitems if there are some.  Now we need to
   make them special. */
static void
menu_cb (IndicateListener * listener, IndicateListenerServer * server, gchar * menupath, gpointer data)
{
	g_debug("Got Menu: %s", menupath);
	g_return_if_fail(IS_APP_MENU_ITEM(data));
	AppMenuItem * self = APP_MENU_ITEM(data);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	priv->client = dbusmenu_client_new(indicate_listener_server_get_dbusname(server), menupath);
	g_signal_connect(G_OBJECT(priv->client), DBUSMENU_CLIENT_SIGNAL_ROOT_CHANGED, G_CALLBACK(root_changed), self);

	DbusmenuMenuitem * root = dbusmenu_client_get_root(priv->client);
	if (root != NULL) {
		root_changed(priv->client, root, self);
	}

	return;
}

static void
activate_cb (AppMenuItem * self, guint timestamp, gpointer data)
{
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(self);

	indicate_listener_display(priv->listener, priv->server, NULL, timestamp);

	return;
}

guint
app_menu_item_get_count (AppMenuItem * appitem)
{
	g_return_val_if_fail(IS_APP_MENU_ITEM(appitem), 0);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(appitem);

	return priv->unreadcount;
}

IndicateListenerServer *
app_menu_item_get_server (AppMenuItem * appitem) {
	g_return_val_if_fail(IS_APP_MENU_ITEM(appitem), NULL);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(appitem);

	return priv->server;
}

const gchar *
app_menu_item_get_name (AppMenuItem * appitem)
{
	g_return_val_if_fail(IS_APP_MENU_ITEM(appitem), NULL);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(appitem);

	if (priv->appinfo == NULL) {
		return INDICATE_LISTENER_SERVER_DBUS_NAME(priv->server);
	} else {
		return g_app_info_get_name(priv->appinfo);
	}
}

const gchar *
app_menu_item_get_desktop (AppMenuItem * appitem)
{
	g_return_val_if_fail(IS_APP_MENU_ITEM(appitem), NULL);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(appitem);
	return priv->desktop;
}

/* Get the dynamic items added onto the end of
   and app entry. */
GList *
app_menu_item_get_items (AppMenuItem * appitem)
{
	g_return_val_if_fail(IS_APP_MENU_ITEM(appitem), NULL);
	AppMenuItemPrivate * priv = APP_MENU_ITEM_GET_PRIVATE(appitem);
	return priv->shortcuts;
}