aboutsummaryrefslogtreecommitdiff
path: root/src/indicator-messages.c
blob: 942e46fa483c4809a4a69a0fa89b62d170ec21f3 (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
/*
An indicator to show information that is in messaging applications
that the user is using.

Copyright 2012 Canonical Ltd.

Authors:
    Ted Gould <ted@canonical.com>
    Lars Uebernickel <lars.uebernickel@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/>.
*/

#include "config.h"

#include <string.h>
#include <math.h>
#include <glib.h>
#include <glib-object.h>
#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>

#include <libindicator/indicator.h>
#include <libindicator/indicator-object.h>
#include <libindicator/indicator-service-manager.h>

#include "dbus-data.h"

#include "ido-menu-item.h"
#include "im-app-menu-item.h"
#include "im-source-menu-item.h"

#define INDICATOR_MESSAGES_TYPE            (indicator_messages_get_type ())
#define INDICATOR_MESSAGES(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), INDICATOR_MESSAGES_TYPE, IndicatorMessages))
#define INDICATOR_MESSAGES_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), INDICATOR_MESSAGES_TYPE, IndicatorMessagesClass))
#define IS_INDICATOR_MESSAGES(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), INDICATOR_MESSAGES_TYPE))
#define IS_INDICATOR_MESSAGES_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), INDICATOR_MESSAGES_TYPE))
#define INDICATOR_MESSAGES_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), INDICATOR_MESSAGES_TYPE, IndicatorMessagesClass))

typedef struct _IndicatorMessages      IndicatorMessages;
typedef struct _IndicatorMessagesClass IndicatorMessagesClass;

struct _IndicatorMessagesClass {
	IndicatorObjectClass parent_class;
};

struct _IndicatorMessages {
	IndicatorObject parent;
	IndicatorServiceManager * service;
	GActionGroup *actions;
	GMenu *menu_wrapper;
	GMenuModel *menu;
	GtkWidget *image;
	GtkWidget *gtkmenu;
	gchar *accessible_desc;
};

GType indicator_messages_get_type (void);

/* Indicator Module Config */
INDICATOR_SET_VERSION
INDICATOR_SET_TYPE(INDICATOR_MESSAGES_TYPE)

/* Prototypes */
static void indicator_messages_class_init (IndicatorMessagesClass *klass);
static void indicator_messages_init       (IndicatorMessages *self);
static void indicator_messages_dispose    (GObject *object);
static void indicator_messages_finalize   (GObject *object);
static void service_connection_changed    (IndicatorServiceManager *sm,
					   gboolean connected,
					   gpointer user_data);
static GtkImage * get_image               (IndicatorObject * io);
static GtkMenu * get_menu                 (IndicatorObject * io);
static const gchar * get_accessible_desc  (IndicatorObject * io);
static const gchar * get_name_hint        (IndicatorObject * io);
static void update_root_item              (IndicatorMessages * self);
static void update_menu                   (IndicatorMessages *self);
static void menu_items_changed            (GMenuModel *menu,
                                           gint        position,
                                           gint        removed,
                                           gint        added,
                                           gpointer    user_data);
static void messages_state_changed        (GActionGroup *action_group,
                                           gchar        *action_name,
                                           GVariant     *value,
                                           gpointer      user_data);

G_DEFINE_TYPE (IndicatorMessages, indicator_messages, INDICATOR_OBJECT_TYPE);

/* Initialize the one-timers */
static void
indicator_messages_class_init (IndicatorMessagesClass *klass)
{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	object_class->dispose = indicator_messages_dispose;
	object_class->finalize = indicator_messages_finalize;

	IndicatorObjectClass * io_class = INDICATOR_OBJECT_CLASS(klass);

	io_class->get_image = get_image;
	io_class->get_menu = get_menu;
	io_class->get_accessible_desc = get_accessible_desc;
	io_class->get_name_hint = get_name_hint;
}

/* Build up our per-instance variables */
static void
indicator_messages_init (IndicatorMessages *self)
{
	self->service = indicator_service_manager_new_version(INDICATOR_MESSAGES_DBUS_NAME, 1);
	g_signal_connect (self->service, "connection-change",
			  G_CALLBACK (service_connection_changed), self);

	self->menu_wrapper = g_menu_new ();
	self->gtkmenu = gtk_menu_new_from_model (G_MENU_MODEL (self->menu_wrapper));
	g_object_ref_sink (self->gtkmenu);

	self->image = g_object_ref_sink (gtk_image_new ());

	/* make sure custom menu item types are registered (so that
         * gtk_model_new_from_menu can pick them up */
	ido_menu_item_get_type ();
	im_app_menu_item_get_type ();
	im_source_menu_item_get_type ();
}

/* Unref stuff */
static void
indicator_messages_dispose (GObject *object)
{
	IndicatorMessages * self = INDICATOR_MESSAGES(object);
	g_return_if_fail(self != NULL);

	g_clear_object (&self->service);
	g_clear_object (&self->menu_wrapper);
	g_clear_object (&self->actions);
	g_clear_object (&self->menu);
	g_clear_object (&self->gtkmenu);
	g_clear_object (&self->image);

	G_OBJECT_CLASS (indicator_messages_parent_class)->dispose (object);
	return;
}

/* Destory all memory users */
static void
indicator_messages_finalize (GObject *object)
{
	IndicatorMessages *self = INDICATOR_MESSAGES (object);

	g_free (self->accessible_desc);

	G_OBJECT_CLASS (indicator_messages_parent_class)->finalize (object);
	return;
}



/* Functions */

static void service_connection_changed (IndicatorServiceManager *sm,
				        gboolean connected,
				        gpointer user_data)
{
	IndicatorMessages *self = user_data;
	GDBusConnection *bus;
	GError *error = NULL;

	if (self->actions != NULL) {
		g_signal_handlers_disconnect_by_func (self->actions, messages_state_changed, self);
		g_clear_object (&self->actions);
	}
	if (self->menu != NULL) {
		g_signal_handlers_disconnect_by_func (self->menu, menu_items_changed, self);
		g_clear_object (&self->menu);
	}
	if (g_menu_model_get_n_items (G_MENU_MODEL (self->menu_wrapper)) == 1)
		g_menu_remove (self->menu_wrapper, 0);

	if (connected == FALSE)
		return;

	bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
	if (!bus) {
		g_warning ("error connecting to the session bus: %s", error->message);
		g_error_free (error);
		return;
	}

	self->actions = G_ACTION_GROUP (g_dbus_action_group_get (bus,
								 INDICATOR_MESSAGES_DBUS_NAME,
								 INDICATOR_MESSAGES_DBUS_OBJECT));
	gtk_widget_insert_action_group (self->gtkmenu, 
					get_name_hint (INDICATOR_OBJECT (self)),
					self->actions);
	g_signal_connect (self->actions, "action-state-changed::messages",
			  G_CALLBACK (messages_state_changed), self);

	self->menu = G_MENU_MODEL (g_dbus_menu_model_get (bus,
							  INDICATOR_MESSAGES_DBUS_NAME,
							  INDICATOR_MESSAGES_DBUS_OBJECT));
	g_signal_connect (self->menu, "items-changed", G_CALLBACK (menu_items_changed), self);

	update_root_item (self);
	update_menu (self);

	g_object_unref (bus);
}

static GtkImage *
get_image (IndicatorObject * io)
{
	IndicatorMessages *self = INDICATOR_MESSAGES (io);

	gtk_widget_show (self->image);
	return GTK_IMAGE (self->image);
}

static GtkMenu *
get_menu (IndicatorObject * io)
{
	IndicatorMessages *self = INDICATOR_MESSAGES (io);

	return GTK_MENU (self->gtkmenu);
}

static const gchar *
get_accessible_desc (IndicatorObject * io)
{
	IndicatorMessages *self = INDICATOR_MESSAGES (io);
	return self->accessible_desc;
}

static const gchar *
get_name_hint (IndicatorObject *io)
{
  return PACKAGE;
}

static void
indicator_messages_accessible_desc_updated (IndicatorMessages *self)
{
	GList *entries;

	entries = indicator_object_get_entries (INDICATOR_OBJECT (self));
	g_return_if_fail (entries != NULL);

	g_signal_emit_by_name (self, INDICATOR_OBJECT_SIGNAL_ACCESSIBLE_DESC_UPDATE, entries->data);

	g_list_free (entries);
}

static void
update_root_item (IndicatorMessages * self)
{
	gchar *iconstr;

	if (g_menu_model_get_n_items (self->menu) == 0)
		return;

	if (g_menu_model_get_item_attribute (self->menu, 0, "x-canonical-icon", "s", &iconstr)) {
		GIcon *icon;
		GError *error;

		icon = g_icon_new_for_string (iconstr, &error);
		if (icon) {
			gtk_image_set_from_gicon (GTK_IMAGE (self->image), icon, GTK_ICON_SIZE_MENU);
			g_object_unref (icon);
		}
		else {
			g_warning ("unable to load icon: %s", error->message);
			g_error_free (error);
		}

		g_free (iconstr);
	}

	g_free (self->accessible_desc);
	self->accessible_desc = NULL;

	g_menu_model_get_item_attribute (self->menu, 0, "x-canonical-accessible-description",
					 "s", &self->accessible_desc);
	indicator_messages_accessible_desc_updated (self);
}

static void
update_menu (IndicatorMessages *self)
{
	GMenuModel *popup;
	GMenuItem *item;

	if (self->menu == NULL || g_menu_model_get_n_items (self->menu) == 0)
		return;

	popup = g_menu_model_get_item_link (self->menu, 0, G_MENU_LINK_SUBMENU);
	if (popup == NULL)
		return;

	if (g_menu_model_get_n_items (G_MENU_MODEL (self->menu_wrapper)) == 1)
		g_menu_remove (self->menu_wrapper, 0);

	item = g_menu_item_new_section (NULL, popup);
	g_menu_item_set_attribute (item, "action-namespace",
				   "s", get_name_hint (INDICATOR_OBJECT (self)));
	g_menu_append_item (self->menu_wrapper, item);

	g_object_unref (item);
	g_object_unref (popup);
}

static void
menu_items_changed (GMenuModel *menu,
                    gint        position,
                    gint        removed,
                    gint        added,
                    gpointer    user_data)
{
	IndicatorMessages *self = user_data;

	if (position == 0) {
		update_root_item (self);
		update_menu (self);
	}
}

static void
messages_state_changed (GActionGroup *action_group,
                        gchar        *action_name,
                        GVariant     *value,
                        gpointer      user_data)
{
	IndicatorMessages *self = user_data;

	g_return_if_fail (g_variant_is_of_type (value, G_VARIANT_TYPE_BOOLEAN));

	if (g_variant_get_boolean (value))
		gtk_image_set_from_icon_name (GTK_IMAGE (self->image), "indicator-messages-new", GTK_ICON_SIZE_MENU);
	else
		gtk_image_set_from_icon_name (GTK_IMAGE (self->image), "indicator-messages", GTK_ICON_SIZE_MENU);
}