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-utils.h>
  43
  44 #include <libempathy-gtk/empathy-contact-list-view.h>
  45 #include <libempathy-gtk/empathy-contact-list-store.h>
  46 #include <libempathy-gtk/empathy-contact-dialogs.h>
  47 #include <libempathy-gtk/empathy-ui-utils.h>
  48
  49 #include "megaphone-applet.h"
  50
  51 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  52 #include <libempathy/empathy-debug.h>
  53
  54 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, MegaphoneApplet)
  55 typedef struct {
  56         EmpathyContactFactory *factory;
  57         GtkWidget             *image;
  58         gint                   image_size;
  59         EmpathyContact        *contact;
  60         GConfClient           *gconf;
  61         guint                  gconf_cnxn;
  62 } MegaphoneAppletPriv;
  63
  64 static void megaphone_applet_finalize                  (GObject            *object);
  65 static void megaphone_applet_size_allocate_cb          (GtkWidget          *widget,
  66                                                         GtkAllocation      *allocation,
  67                                                         MegaphoneApplet    *applet);
  68 static gboolean megaphone_applet_button_press_event_cb (GtkWidget          *widget,
  69                                                         GdkEventButton     *event,
  70                                                         MegaphoneApplet    *applet);
  71 static void megaphone_applet_information_cb            (BonoboUIComponent  *uic,
  72                                                         MegaphoneApplet    *applet,
  73                                                         const gchar        *verb_name);
  74 static void megaphone_applet_preferences_cb            (BonoboUIComponent  *uic,
  75                                                         MegaphoneApplet    *applet,
  76                                                         const gchar        *verb_name);
  77 static void megaphone_applet_about_cb                  (BonoboUIComponent  *uic,
  78                                                         MegaphoneApplet    *applet,
  79                                                         const gchar        *verb_name);
  80
  81 G_DEFINE_TYPE(MegaphoneApplet, megaphone_applet, PANEL_TYPE_APPLET)
  82
  83 static const BonoboUIVerb megaphone_applet_menu_verbs [] = {
  84         BONOBO_UI_UNSAFE_VERB ("information", megaphone_applet_information_cb),
  85         BONOBO_UI_UNSAFE_VERB ("preferences", megaphone_applet_preferences_cb),
  86         BONOBO_UI_UNSAFE_VERB ("about",       megaphone_applet_about_cb),
  87         BONOBO_UI_VERB_END
  88 };
  89
  90 static const char* authors[] = {
  91         "Raphaël Slinckx <raphael@slinckx.net>",
  92         "Xavier Claessens <xclaesse@gmail.com>",
  93         NULL
  94 };
  95
  96 static void
  97 megaphone_applet_class_init (MegaphoneAppletClass *class)
  98 {
  99         GObjectClass *object_class;
 100
 101         object_class = G_OBJECT_CLASS (class);
 102
 103         object_class->finalize = megaphone_applet_finalize;
 104
 105         g_type_class_add_private (object_class, sizeof (MegaphoneAppletPriv));
 106 }
 107
 108 static void
 109 megaphone_applet_init (MegaphoneApplet *applet)
 110 {
 111         MegaphoneAppletPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (applet,
 112                 MEGAPHONE_TYPE_APPLET, MegaphoneAppletPriv);
 113
 114         applet->priv = priv;
 115         priv->factory = empathy_contact_factory_new ();
 116         priv->gconf = gconf_client_get_default ();
 117
 118         /* Image holds the contact avatar */
 119         priv->image = gtk_image_new ();
 120         gtk_widget_show (priv->image);
 121         gtk_container_add (GTK_CONTAINER (applet), priv->image);
 122
 123         /* We want transparency */
 124         panel_applet_set_flags (PANEL_APPLET (applet), PANEL_APPLET_EXPAND_MINOR);
 125         panel_applet_set_background_widget (PANEL_APPLET (applet), GTK_WIDGET (applet));
 126
 127         /* Listen for clicks on the applet to dispatch a channel */
 128         g_signal_connect (applet, "button-press-event",
 129                           G_CALLBACK (megaphone_applet_button_press_event_cb),
 130                           applet);
 131
 132         /* Allow to resize our avatar when needed */
 133         g_signal_connect (applet, "size-allocate",
 134                           G_CALLBACK (megaphone_applet_size_allocate_cb),
 135                           applet);
 136 }
 137
 138 static void
 139 megaphone_applet_finalize (GObject *object)
 140 {
 141         MegaphoneAppletPriv *priv = GET_PRIV (object);
 142
 143         if (priv->contact) {
 144                 g_object_unref (priv->contact);
 145         }
 146         g_object_unref (priv->factory);
 147
 148         if (priv->gconf_cnxn != 0) {
 149                 gconf_client_notify_remove (priv->gconf, priv->gconf_cnxn);
 150         }
 151         g_object_unref (priv->gconf);
 152
 153         G_OBJECT_CLASS (megaphone_applet_parent_class)->finalize (object);
 154 }
 155
 156 static void
 157 megaphone_applet_update_icon (MegaphoneApplet *applet)
 158 {
 159         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 160         EmpathyAvatar       *avatar = NULL;
 161         GdkPixbuf           *avatar_pixbuf;
 162
 163         if (priv->contact) {
 164                 avatar = empathy_contact_get_avatar (priv->contact);
 165         } else {
 166                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->image),
 167                                               GTK_STOCK_PREFERENCES,
 168                                               GTK_ICON_SIZE_MENU);
 169                 return;
 170         }
 171
 172         if (!avatar) {
 173                 gchar *avatar_token;
 174
 175                 /* Try to take avatar from cache */
 176                 avatar_token = panel_applet_gconf_get_string (PANEL_APPLET (applet),
 177                                                               "avatar_token",
 178                                                               NULL);
 179                 if (!G_STR_EMPTY (avatar_token)) {
 180                         avatar = empathy_avatar_new_from_cache (avatar_token);
 181                 }
 182                 g_free (avatar_token);
 183         } else {
 184                 empathy_avatar_ref (avatar);
 185         }
 186
 187         if (avatar) {
 188                 avatar_pixbuf = empathy_pixbuf_from_avatar_scaled (avatar,
 189                                                                    priv->image_size - 2,
 190                                                                    priv->image_size - 2);
 191                 empathy_avatar_unref (avatar);
 192         } else {
 193                 GtkIconTheme *icon_theme;
 194
 195                 /* Load the default icon when no avatar is found */
 196                 icon_theme = gtk_icon_theme_get_default ();
 197                 avatar_pixbuf = gtk_icon_theme_load_icon (icon_theme,
 198                                                           "stock_contact",
 199                                                           priv->image_size - 2,
 200                                                           0, NULL);
 201         }
 202
 203         /* Now some desaturation if the contact is offline */
 204         if (!empathy_contact_is_online (priv->contact)) {
 205                 GdkPixbuf *offline_avatar;
 206
 207                 offline_avatar = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE,
 208                                                  8,
 209                                                  gdk_pixbuf_get_height (avatar_pixbuf),
 210                                                  gdk_pixbuf_get_width (avatar_pixbuf));
 211                 gdk_pixbuf_saturate_and_pixelate (avatar_pixbuf,
 212                                                   offline_avatar,
 213                                                   0.0,
 214                                                   TRUE);
 215                 g_object_unref (avatar_pixbuf);
 216                 avatar_pixbuf = offline_avatar;
 217         }
 218
 219         gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), avatar_pixbuf);
 220         g_object_unref (avatar_pixbuf);
 221 }
 222
 223 static void
 224 megaphone_applet_update_contact (MegaphoneApplet *applet)
 225 {
 226         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 227         const gchar         *name;
 228         const gchar         *status;
 229         gchar               *tip;
 230         const gchar         *avatar_token = NULL;
 231
 232         if (priv->contact) {
 233                 EmpathyAvatar *avatar;
 234
 235                 avatar = empathy_contact_get_avatar (priv->contact);
 236                 if (avatar) {
 237                         avatar_token = avatar->token;
 238                 }
 239         }
 240
 241         if (avatar_token) {
 242                 panel_applet_gconf_set_string (PANEL_APPLET (applet),
 243                                                "avatar_token", avatar_token,
 244                                                NULL);
 245         }
 246
 247         megaphone_applet_update_icon (applet);
 248
 249         if (priv->contact ) {
 250                 name = empathy_contact_get_name (priv->contact);
 251                 status = empathy_contact_get_status (priv->contact);
 252                 tip = g_strdup_printf ("<b>%s</b>: %s", name, status);
 253                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet), tip);
 254                 g_free (tip);
 255         } else {
 256                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet),
 257                                                "Please configure a contact.");
 258         }
 259
 260 }
 261
 262 static void
 263 megaphone_applet_set_contact (MegaphoneApplet *applet,
 264                               const gchar     *str)
 265 {
 266         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 267         McAccount           *account = NULL;
 268         gchar              **strv = NULL;
 269
 270         DEBUG ("Setting new contact %s", str);
 271
 272         /* Release old contact, if any */
 273         if (priv->contact) {
 274                 g_signal_handlers_disconnect_by_func (priv->contact,
 275                                                       megaphone_applet_update_contact,
 276                                                       applet);
 277                 g_object_unref (priv->contact),
 278                 priv->contact = NULL;
 279         }
 280
 281         /* Lookup the new contact */
 282         if (str) {
 283                 strv = g_strsplit (str, "/", 2);
 284                 account = mc_account_lookup (strv[0]);
 285         }
 286         if (account) {
 287                 priv->contact = empathy_contact_factory_get_from_id (priv->factory,
 288                                                                      account,
 289                                                                      strv[1]);
 290                 g_object_unref (account);
 291         }
 292         g_strfreev (strv);
 293
 294         /* Take hold of the new contact if any */
 295         if (priv->contact) {
 296                 /* Listen for updates on the contact, and force a first update */
 297                 g_signal_connect_swapped (priv->contact, "notify",
 298                                           G_CALLBACK (megaphone_applet_update_contact),
 299                                           applet);
 300         }
 301
 302         megaphone_applet_update_contact (applet);
 303 }
 304
 305 static void
 306 megaphone_applet_preferences_response_cb (GtkWidget       *dialog,
 307                                           gint             response,
 308                                           MegaphoneApplet *applet)
 309 {
 310         if (response == GTK_RESPONSE_ACCEPT) {
 311                 EmpathyContactListView *contact_list;
 312                 EmpathyContact         *contact;
 313
 314                 /* Retrieve the selected contact, if any and set it up in gconf.
 315                  * GConf will notify us from the change and we will adjust ourselves */
 316                 contact_list = g_object_get_data (G_OBJECT (dialog), "contact-list");
 317                 contact = empathy_contact_list_view_get_selected (contact_list);
 318                 if (contact) {
 319                         McAccount   *account;
 320                         const gchar *account_id;
 321                         const gchar *contact_id;
 322                         gchar       *str;
 323
 324                         account = empathy_contact_get_account (contact);
 325                         account_id = mc_account_get_unique_name (account);
 326                         contact_id = empathy_contact_get_id (contact);
 327
 328                         str = g_strconcat (account_id, "/", contact_id, NULL);
 329                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
 330                                                        "avatar_token", "",
 331                                                        NULL);
 332                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
 333                                                        "contact_id", str,
 334                                                        NULL);
 335                         g_free (str);
 336                 }
 337         }
 338         gtk_widget_destroy (dialog);
 339 }
 340
 341 static void
 342 megaphone_applet_show_preferences (MegaphoneApplet *applet)
 343 {
 344         GtkWidget               *dialog;
 345         GtkWidget               *scroll;
 346         EmpathyContactListView  *contact_list;
 347         EmpathyContactListStore *contact_store;
 348         EmpathyContactManager   *contact_manager;
 349
 350         dialog = gtk_dialog_new_with_buttons ("Select contact...",
 351                                               NULL, 0,
 352                                               GTK_STOCK_CANCEL,
 353                                               GTK_RESPONSE_REJECT,
 354                                               GTK_STOCK_OK,
 355                                               GTK_RESPONSE_ACCEPT,
 356                                               NULL);
 357
 358         /* Show all contacts, even offline and sort alphabetically */
 359         contact_manager = empathy_contact_manager_new ();
 360         contact_store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (contact_manager));
 361         g_object_set (contact_store,
 362                       "is-compact", TRUE,
 363                       "show-avatars", TRUE,
 364                       "show-offline", TRUE,
 365                       "sort-criterium", EMPATHY_CONTACT_LIST_STORE_SORT_NAME,
 366                       NULL);
 367         contact_list = empathy_contact_list_view_new (contact_store,
 368                                                       EMPATHY_CONTACT_LIST_FEATURE_NONE,
 369                                                       EMPATHY_CONTACT_FEATURE_NONE);
 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, 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         DEBUG ("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         DEBUG ("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         DEBUG ("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