Updated to use new avatar cache.
[empathy.git] / megaphone / src / megaphone-applet.c
1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /* 
3  * Copyright (C) 2007 Raphaël Slinckx <raphael@slinckx.net>
4  * Copyright (C) 2007 Collabora Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19  *
20  * Authors: Raphaël Slinckx <raphael@slinckx.net>
21  *          Xavier Claessens <xclaesse@gmail.com>
22  */
23
24 #include "config.h"
25
26 #include <string.h>
27
28 #include <glib/gi18n.h>
29 #include <gtk/gtk.h>
30 #include <bonobo/bonobo-ui-component.h>
31 #include <panel-2.0/panel-applet-gconf.h>
32 #include <gconf/gconf-client.h>
33 #include <libgnomevfs/gnome-vfs-utils.h>
34
35 #include <libmissioncontrol/mission-control.h>
36 #include <libmissioncontrol/mc-account.h>
37
38 #include <libempathy/empathy-contact-factory.h>
39 #include <libempathy/empathy-contact.h>
40 #include <libempathy/empathy-contact-list.h>
41 #include <libempathy/empathy-contact-manager.h>
42 #include <libempathy/empathy-debug.h>
43 #include <libempathy/empathy-utils.h>
44
45 #include <libempathy-gtk/empathy-contact-list-view.h>
46 #include <libempathy-gtk/empathy-contact-list-store.h>
47 #include <libempathy-gtk/empathy-contact-dialogs.h>
48 #include <libempathy-gtk/empathy-ui-utils.h>
49
50 #include "megaphone-applet.h"
51
52 #define DEBUG_DOMAIN "MegaphoneApplet"
53
54 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), MEGAPHONE_TYPE_APPLET, MegaphoneAppletPriv))
55
56 typedef struct _MegaphoneAppletPriv MegaphoneAppletPriv;
57
58 struct _MegaphoneAppletPriv {
59         EmpathyContactFactory *factory;
60         GtkWidget             *image;
61         gint                   image_size;
62         EmpathyContact        *contact;
63         GConfClient           *gconf;
64         guint                  gconf_cnxn;
65 };
66
67 static void megaphone_applet_finalize                  (GObject            *object);
68 static void megaphone_applet_size_allocate_cb          (GtkWidget          *widget,
69                                                         GtkAllocation      *allocation,
70                                                         MegaphoneApplet    *applet);
71 static gboolean megaphone_applet_button_press_event_cb (GtkWidget          *widget,
72                                                         GdkEventButton     *event, 
73                                                         MegaphoneApplet    *applet);
74 static void megaphone_applet_information_cb            (BonoboUIComponent  *uic,
75                                                         MegaphoneApplet    *applet, 
76                                                         const gchar        *verb_name);
77 static void megaphone_applet_preferences_cb            (BonoboUIComponent  *uic,
78                                                         MegaphoneApplet    *applet, 
79                                                         const gchar        *verb_name);
80 static void megaphone_applet_about_cb                  (BonoboUIComponent  *uic,
81                                                         MegaphoneApplet    *applet, 
82                                                         const gchar        *verb_name);
83
84 G_DEFINE_TYPE(MegaphoneApplet, megaphone_applet, PANEL_TYPE_APPLET)
85
86 static const BonoboUIVerb megaphone_applet_menu_verbs [] = {
87         BONOBO_UI_UNSAFE_VERB ("information", megaphone_applet_information_cb),
88         BONOBO_UI_UNSAFE_VERB ("preferences", megaphone_applet_preferences_cb),
89         BONOBO_UI_UNSAFE_VERB ("about",       megaphone_applet_about_cb),
90         BONOBO_UI_VERB_END
91 };
92
93 static const char* authors[] = {
94         "Raphaël Slinckx <raphael@slinckx.net>", 
95         "Xavier Claessens <xclaesse@gmail.com>", 
96         NULL
97 };
98
99 static void
100 megaphone_applet_class_init (MegaphoneAppletClass *class)
101 {
102         GObjectClass *object_class;
103
104         object_class = G_OBJECT_CLASS (class);
105
106         object_class->finalize = megaphone_applet_finalize;
107
108         g_type_class_add_private (object_class, sizeof (MegaphoneAppletPriv));
109 }
110
111 static void
112 megaphone_applet_init (MegaphoneApplet *applet)
113 {
114         MegaphoneAppletPriv *priv = GET_PRIV (applet);
115
116         priv->factory = empathy_contact_factory_new ();
117         priv->gconf = gconf_client_get_default ();
118
119         /* Image holds the contact avatar */
120         priv->image = gtk_image_new ();
121         gtk_widget_show (priv->image);
122         gtk_container_add (GTK_CONTAINER (applet), priv->image);
123
124         /* We want transparency */
125         panel_applet_set_flags (PANEL_APPLET (applet), PANEL_APPLET_EXPAND_MINOR);
126         panel_applet_set_background_widget (PANEL_APPLET (applet), GTK_WIDGET (applet));
127
128         /* Listen for clicks on the applet to dispatch a channel */
129         g_signal_connect (applet, "button-press-event",
130                           G_CALLBACK (megaphone_applet_button_press_event_cb),
131                           applet);
132
133         /* Allow to resize our avatar when needed */
134         g_signal_connect (applet, "size-allocate",
135                           G_CALLBACK (megaphone_applet_size_allocate_cb),
136                           applet);
137 }
138
139 static void
140 megaphone_applet_finalize (GObject *object)
141 {
142         MegaphoneAppletPriv *priv = GET_PRIV (object);
143         
144         if (priv->contact) {
145                 g_object_unref (priv->contact);
146         }
147         g_object_unref (priv->factory);
148
149         if (priv->gconf_cnxn != 0) {
150                 gconf_client_notify_remove (priv->gconf, priv->gconf_cnxn);
151         }
152         g_object_unref (priv->gconf);
153
154         G_OBJECT_CLASS (megaphone_applet_parent_class)->finalize (object);
155 }
156
157 static void
158 megaphone_applet_update_icon (MegaphoneApplet *applet)
159 {
160         MegaphoneAppletPriv *priv = GET_PRIV (applet);
161         EmpathyAvatar       *avatar = NULL;
162         GdkPixbuf           *avatar_pixbuf;
163
164         if (priv->contact) {
165                 avatar = empathy_contact_get_avatar (priv->contact);
166         } else {
167                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->image),
168                                               GTK_STOCK_PREFERENCES,
169                                               GTK_ICON_SIZE_MENU);
170                 return;
171         }
172
173         if (!avatar) {
174                 gchar *avatar_token;
175
176                 /* Try to take avatar from cache */
177                 avatar_token = panel_applet_gconf_get_string (PANEL_APPLET (applet),
178                                                               "avatar_token",
179                                                               NULL);
180                 if (!G_STR_EMPTY (avatar_token)) {
181                         avatar = empathy_avatar_new_from_cache (avatar_token);
182                 }
183                 g_free (avatar_token);
184         } else {
185                 empathy_avatar_ref (avatar);
186         }
187
188         if (avatar) {
189                 avatar_pixbuf = empathy_pixbuf_from_avatar_scaled (avatar,
190                                                                    priv->image_size - 2,
191                                                                    priv->image_size - 2);
192                 empathy_avatar_unref (avatar);
193         } else {
194                 GtkIconTheme *icon_theme;
195
196                 /* Load the default icon when no avatar is found */
197                 icon_theme = gtk_icon_theme_get_default ();
198                 avatar_pixbuf = gtk_icon_theme_load_icon (icon_theme,
199                                                           "stock_contact",
200                                                           priv->image_size - 2,
201                                                           0, NULL);
202         }
203
204         /* Now some desaturation if the contact is offline */
205         if (!empathy_contact_is_online (priv->contact)) {
206                 GdkPixbuf *offline_avatar;
207
208                 offline_avatar = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE,
209                                                  8,
210                                                  gdk_pixbuf_get_height (avatar_pixbuf),
211                                                  gdk_pixbuf_get_width (avatar_pixbuf));
212                 gdk_pixbuf_saturate_and_pixelate (avatar_pixbuf,
213                                                   offline_avatar,
214                                                   0.0,
215                                                   TRUE);
216                 g_object_unref (avatar_pixbuf);
217                 avatar_pixbuf = offline_avatar;
218         }
219
220         gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), avatar_pixbuf);
221         g_object_unref (avatar_pixbuf);
222 }
223
224 static void
225 megaphone_applet_update_contact (MegaphoneApplet *applet)
226 {
227         MegaphoneAppletPriv *priv = GET_PRIV (applet);
228         const gchar         *name;
229         const gchar         *status;
230         gchar               *tip;
231         const gchar         *avatar_token = NULL;
232
233         if (priv->contact) {
234                 EmpathyAvatar *avatar;
235
236                 avatar = empathy_contact_get_avatar (priv->contact);
237                 if (avatar) {
238                         avatar_token = avatar->token;
239                 }
240         }
241
242         if (avatar_token) {
243                 panel_applet_gconf_set_string (PANEL_APPLET (applet),
244                                                "avatar_token", avatar_token,
245                                                NULL);
246         }
247
248         megaphone_applet_update_icon (applet);
249
250         if (priv->contact ) {
251                 name = empathy_contact_get_name (priv->contact);
252                 status = empathy_contact_get_status (priv->contact);
253                 tip = g_strdup_printf ("<b>%s</b>: %s", name, status);
254                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet), tip);
255                 g_free (tip);
256         } else {
257                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet),
258                                                "Please configure a contact.");
259         }
260
261 }
262
263 static void
264 megaphone_applet_set_contact (MegaphoneApplet *applet,
265                               const gchar     *str)
266 {
267         MegaphoneAppletPriv *priv = GET_PRIV (applet);
268         McAccount           *account = NULL;
269         gchar              **strv = NULL;
270
271         empathy_debug (DEBUG_DOMAIN, "Setting new contact %s", str);
272
273         /* Release old contact, if any */
274         if (priv->contact) {
275                 g_signal_handlers_disconnect_by_func (priv->contact,
276                                                       megaphone_applet_update_contact,
277                                                       applet);
278                 g_object_unref (priv->contact),
279                 priv->contact = NULL;
280         }
281
282         /* Lookup the new contact */
283         if (str) {
284                 strv = g_strsplit (str, "/", 2);
285                 account = mc_account_lookup (strv[0]);
286         }
287         if (account) {
288                 priv->contact = empathy_contact_factory_get_from_id (priv->factory,
289                                                                      account,
290                                                                      strv[1]);
291                 g_object_unref (account);
292         }
293         g_strfreev (strv);
294
295         /* Take hold of the new contact if any */
296         if (priv->contact) {
297                 /* Listen for updates on the contact, and force a first update */
298                 g_signal_connect_swapped (priv->contact, "notify",
299                                           G_CALLBACK (megaphone_applet_update_contact),
300                                           applet);
301         }
302
303         megaphone_applet_update_contact (applet);
304 }
305
306 static void
307 megaphone_applet_preferences_response_cb (GtkWidget       *dialog,
308                                           gint             response,
309                                           MegaphoneApplet *applet) 
310 {
311         if (response == GTK_RESPONSE_ACCEPT) {
312                 EmpathyContactListView *contact_list;
313                 EmpathyContact         *contact;
314
315                 /* Retrieve the selected contact, if any and set it up in gconf.
316                  * GConf will notify us from the change and we will adjust ourselves */
317                 contact_list = g_object_get_data (G_OBJECT (dialog), "contact-list");
318                 contact = empathy_contact_list_view_get_selected (contact_list);
319                 if (contact) {
320                         McAccount   *account;
321                         const gchar *account_id;
322                         const gchar *contact_id;
323                         gchar       *str;
324
325                         account = empathy_contact_get_account (contact);
326                         account_id = mc_account_get_unique_name (account);
327                         contact_id = empathy_contact_get_id (contact);
328
329                         str = g_strconcat (account_id, "/", contact_id, NULL);
330                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
331                                                        "avatar_token", "",
332                                                        NULL);
333                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
334                                                        "contact_id", str,
335                                                        NULL);
336                         g_free (str);
337                 }
338         }
339         gtk_widget_destroy (dialog);
340 }
341
342 static void
343 megaphone_applet_show_preferences (MegaphoneApplet *applet)
344 {
345         GtkWidget               *dialog;
346         GtkWidget               *scroll;
347         EmpathyContactListView  *contact_list;
348         EmpathyContactListStore *contact_store;
349         EmpathyContactManager   *contact_manager;
350
351         dialog = gtk_dialog_new_with_buttons ("Select contact...",
352                                               NULL, 0,
353                                               GTK_STOCK_CANCEL,
354                                               GTK_RESPONSE_REJECT,
355                                               GTK_STOCK_OK,
356                                               GTK_RESPONSE_ACCEPT,
357                                               NULL);
358
359         /* Show all contacts, even offline and sort alphabetically */
360         contact_manager = empathy_contact_manager_new ();
361         contact_store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (contact_manager));
362         g_object_set (contact_store,
363                       "is-compact", TRUE,
364                       "show-avatars", TRUE,
365                       "show-offline", TRUE,
366                       "sort-criterium", EMPATHY_CONTACT_LIST_STORE_SORT_NAME,
367                       NULL);
368         contact_list = empathy_contact_list_view_new (contact_store);
369         gtk_tree_view_expand_all (GTK_TREE_VIEW (contact_list));
370         g_object_unref (contact_manager);
371         g_object_unref (contact_store);
372         gtk_widget_show (GTK_WIDGET (contact_list));
373
374         gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 500);
375         scroll = gtk_scrolled_window_new (NULL, NULL);
376         gtk_container_add (GTK_CONTAINER (scroll), GTK_WIDGET (contact_list));
377         gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), scroll);
378         gtk_widget_show (scroll);
379         
380         g_object_set_data (G_OBJECT (dialog), "contact-list", contact_list);
381
382         g_signal_connect (dialog, "response",
383                           G_CALLBACK (megaphone_applet_preferences_response_cb),
384                           applet);
385
386         gtk_widget_show (dialog);
387 }
388
389 static void
390 megaphone_applet_information_cb (BonoboUIComponent *uic,
391                                  MegaphoneApplet   *applet,
392                                  const gchar       *verb_name)
393 {
394         MegaphoneAppletPriv *priv = GET_PRIV (applet);
395
396         /* FIXME: We should grey out the menu item if there are no available contact */
397         if (priv->contact) {
398                 empathy_contact_information_dialog_show (priv->contact, NULL, FALSE);
399         }
400 }
401
402 static void
403 megaphone_applet_preferences_cb (BonoboUIComponent *uic, 
404                                  MegaphoneApplet   *applet, 
405                                  const gchar       *verb_name)
406 {
407         megaphone_applet_show_preferences (applet);
408 }
409
410 static void
411 megaphone_applet_about_cb (BonoboUIComponent *uic, 
412                            MegaphoneApplet   *applet, 
413                            const gchar       *verb_name)
414 {
415         gtk_show_about_dialog (NULL,
416                                "name", "Megaphone", 
417                                "version", PACKAGE_VERSION,
418                                "copyright", "Raphaël Slinckx 2007\nCollabora Ltd 2007",
419                                "comments", _("Talk!"),
420                                "authors", authors,
421                                "logo-icon-name", "stock_people",
422                                NULL);
423 }
424
425 static gboolean
426 megaphone_applet_button_press_event_cb (GtkWidget       *widget,
427                                         GdkEventButton  *event, 
428                                         MegaphoneApplet *applet)
429 {
430         MegaphoneAppletPriv *priv = GET_PRIV (applet);
431         MissionControl      *mc;
432
433         /* Only react on left-clicks */
434         if (event->button != 1 || event->type != GDK_BUTTON_PRESS) {
435                 return FALSE;
436         }
437
438         /* If the contact is unavailable we display the preferences dialog */
439         if (priv->contact == NULL) {
440                 megaphone_applet_show_preferences (applet);
441                 return TRUE;
442         }
443         
444         empathy_debug (DEBUG_DOMAIN, "Requesting text channel for contact %s (%d)",
445                        empathy_contact_get_id (priv->contact),
446                        empathy_contact_get_handle (priv->contact));
447
448         mc = empathy_mission_control_new ();
449         mission_control_request_channel (mc,
450                                          empathy_contact_get_account (priv->contact),
451                                          TP_IFACE_CHANNEL_TYPE_TEXT,
452                                          empathy_contact_get_handle (priv->contact),
453                                          TP_HANDLE_TYPE_CONTACT,
454                                          NULL, NULL);
455         g_object_unref (mc);
456         
457         return TRUE;
458 }
459
460 static void
461 megaphone_applet_size_allocate_cb (GtkWidget       *widget,
462                                    GtkAllocation   *allocation,
463                                    MegaphoneApplet *applet)
464 {
465         MegaphoneAppletPriv *priv = GET_PRIV (applet);
466         gint                 size;
467         PanelAppletOrient    orient;
468
469         orient = panel_applet_get_orient (PANEL_APPLET (widget));
470         if (orient == PANEL_APPLET_ORIENT_LEFT ||
471             orient == PANEL_APPLET_ORIENT_RIGHT) {
472                 size = allocation->width;
473         } else {
474                 size = allocation->height;
475         }
476
477         if (size != priv->image_size) {
478                 priv->image_size = size;
479                 megaphone_applet_update_icon (applet);
480         }
481 }
482
483 static void
484 megaphone_applet_gconf_notify_cb (GConfClient     *client,
485                                   guint            cnxn_id,
486                                   GConfEntry      *entry,
487                                   MegaphoneApplet *applet)
488 {
489         const gchar *key;
490         GConfValue  *value;
491
492         key = gconf_entry_get_key (entry);
493         value = gconf_entry_get_value (entry);
494         empathy_debug (DEBUG_DOMAIN, "GConf notification for key '%s'", key);
495
496         if (value && g_str_has_suffix (key, "/contact_id")) {
497                 megaphone_applet_set_contact (applet,
498                                               gconf_value_get_string (value));
499         }
500 }
501
502 static gboolean
503 megaphone_applet_factory (PanelApplet *applet, 
504                           const gchar *iid, 
505                           gpointer     data)
506 {
507         MegaphoneAppletPriv *priv = GET_PRIV (applet);
508         gchar               *pref_dir;
509         gchar               *contact_id;
510
511         /* Ensure it's us! */
512         if (strcmp (iid, "OAFIID:GNOME_Megaphone_Applet") != 0) {
513                 return FALSE;
514         }
515         
516         empathy_debug (DEBUG_DOMAIN, "Starting up new instance!");
517
518         /* Set up the right-click menu */
519         panel_applet_setup_menu_from_file (applet,
520                                            PKGDATADIR,
521                                            "GNOME_Megaphone_Applet.xml",
522                                            NULL,
523                                            megaphone_applet_menu_verbs,
524                                            applet);
525
526         /* Define the schema to be used for each applet instance's preferences */
527         panel_applet_add_preferences (applet,
528                                       "/schemas/apps/megaphone-applet/prefs",
529                                       NULL);
530         
531         /* We watch the preferences directory */
532         pref_dir = panel_applet_gconf_get_full_key (applet, "");
533         pref_dir[strlen (pref_dir)-1] = '\0';
534         gconf_client_add_dir (priv->gconf, pref_dir,
535                               GCONF_CLIENT_PRELOAD_ONELEVEL,
536                               NULL);
537         gconf_client_notify_add (priv->gconf, pref_dir,
538                                  (GConfClientNotifyFunc) megaphone_applet_gconf_notify_cb,
539                                  applet,
540                                  NULL, NULL);
541         g_free (pref_dir);
542
543         /* Initial setup with the pre-existing gconf key, or contact_id=NULL if no previous pref */
544         contact_id = panel_applet_gconf_get_string (PANEL_APPLET (applet), "contact_id", NULL);
545         megaphone_applet_set_contact (MEGAPHONE_APPLET (applet), contact_id);
546         g_free (contact_id);
547
548         /* Let's go! */
549         gtk_widget_show (GTK_WIDGET (applet));
550
551         return TRUE;
552 }
553
554 PANEL_APPLET_BONOBO_FACTORY ("OAFIID:GNOME_Megaphone_Applet_Factory",
555                              MEGAPHONE_TYPE_APPLET,
556                              "Megaphone", PACKAGE_VERSION,
557                              megaphone_applet_factory,
558                              NULL);
559