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
  34 #include <libmissioncontrol/mission-control.h>
  35 #include <libmissioncontrol/mc-account.h>
  36
  37 #include <libempathy/empathy-contact-factory.h>
  38 #include <libempathy/empathy-contact.h>
  39 #include <libempathy/empathy-contact-list.h>
  40 #include <libempathy/empathy-contact-manager.h>
  41 #include <libempathy/empathy-utils.h>
  42
  43 #include <libempathy-gtk/empathy-contact-list-view.h>
  44 #include <libempathy-gtk/empathy-contact-list-store.h>
  45 #include <libempathy-gtk/empathy-contact-dialogs.h>
  46 #include <libempathy-gtk/empathy-ui-utils.h>
  47
  48 #include "megaphone-applet.h"
  49
  50 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  51 #include <libempathy/empathy-debug.h>
  52
  53 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, MegaphoneApplet)
  54 typedef struct {
  55         EmpathyContactFactory *factory;
  56         GtkWidget             *image;
  57         gint                   image_size;
  58         EmpathyContact        *contact;
  59         GConfClient           *gconf;
  60         guint                  gconf_cnxn;
  61 } MegaphoneAppletPriv;
  62
  63 static void megaphone_applet_finalize                  (GObject            *object);
  64 static void megaphone_applet_size_allocate_cb          (GtkWidget          *widget,
  65                                                         GtkAllocation      *allocation,
  66                                                         MegaphoneApplet    *applet);
  67 static gboolean megaphone_applet_button_press_event_cb (GtkWidget          *widget,
  68                                                         GdkEventButton     *event,
  69                                                         MegaphoneApplet    *applet);
  70 static void megaphone_applet_information_cb            (BonoboUIComponent  *uic,
  71                                                         MegaphoneApplet    *applet,
  72                                                         const gchar        *verb_name);
  73 static void megaphone_applet_preferences_cb            (BonoboUIComponent  *uic,
  74                                                         MegaphoneApplet    *applet,
  75                                                         const gchar        *verb_name);
  76 static void megaphone_applet_about_cb                  (BonoboUIComponent  *uic,
  77                                                         MegaphoneApplet    *applet,
  78                                                         const gchar        *verb_name);
  79
  80 G_DEFINE_TYPE(MegaphoneApplet, megaphone_applet, PANEL_TYPE_APPLET)
  81
  82 static const BonoboUIVerb megaphone_applet_menu_verbs [] = {
  83         BONOBO_UI_UNSAFE_VERB ("information", megaphone_applet_information_cb),
  84         BONOBO_UI_UNSAFE_VERB ("preferences", megaphone_applet_preferences_cb),
  85         BONOBO_UI_UNSAFE_VERB ("about",       megaphone_applet_about_cb),
  86         BONOBO_UI_VERB_END
  87 };
  88
  89 static const char* authors[] = {
  90         "Raphaël Slinckx <raphael@slinckx.net>",
  91         "Xavier Claessens <xclaesse@gmail.com>",
  92         NULL
  93 };
  94
  95 static void
  96 megaphone_applet_class_init (MegaphoneAppletClass *class)
  97 {
  98         GObjectClass *object_class;
  99
 100         object_class = G_OBJECT_CLASS (class);
 101
 102         object_class->finalize = megaphone_applet_finalize;
 103
 104         g_type_class_add_private (object_class, sizeof (MegaphoneAppletPriv));
 105         empathy_gtk_init ();
 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_dup_singleton ();
 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 (!EMP_STR_EMPTY (avatar_token)) {
 180                         empathy_contact_load_avatar_cache (priv->contact, avatar_token);
 181                         avatar = empathy_contact_get_avatar (priv->contact);
 182                 }
 183                 g_free (avatar_token);
 184         }
 185
 186         if (avatar) {
 187                 avatar_pixbuf = empathy_pixbuf_from_avatar_scaled (avatar,
 188                                                                    priv->image_size - 2,
 189                                                                    priv->image_size - 2);
 190         } else {
 191                 GtkIconTheme *icon_theme;
 192
 193                 /* Load the default icon when no avatar is found */
 194                 icon_theme = gtk_icon_theme_get_default ();
 195                 avatar_pixbuf = gtk_icon_theme_load_icon (icon_theme,
 196                                                           "stock_contact",
 197                                                           priv->image_size - 2,
 198                                                           0, NULL);
 199         }
 200
 201         /* Now some desaturation if the contact is offline */
 202         if (!empathy_contact_is_online (priv->contact)) {
 203                 GdkPixbuf *offline_avatar;
 204
 205                 offline_avatar = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE,
 206                                                  8,
 207                                                  gdk_pixbuf_get_height (avatar_pixbuf),
 208                                                  gdk_pixbuf_get_width (avatar_pixbuf));
 209                 gdk_pixbuf_saturate_and_pixelate (avatar_pixbuf,
 210                                                   offline_avatar,
 211                                                   0.0,
 212                                                   TRUE);
 213                 g_object_unref (avatar_pixbuf);
 214                 avatar_pixbuf = offline_avatar;
 215         }
 216
 217         gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), avatar_pixbuf);
 218         g_object_unref (avatar_pixbuf);
 219 }
 220
 221 static void
 222 megaphone_applet_update_contact (MegaphoneApplet *applet)
 223 {
 224         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 225         const gchar         *name;
 226         const gchar         *status;
 227         gchar               *tip;
 228         const gchar         *avatar_token = NULL;
 229
 230         if (priv->contact) {
 231                 EmpathyAvatar *avatar;
 232
 233                 avatar = empathy_contact_get_avatar (priv->contact);
 234                 if (avatar) {
 235                         avatar_token = avatar->token;
 236                 }
 237         }
 238
 239         if (avatar_token) {
 240                 panel_applet_gconf_set_string (PANEL_APPLET (applet),
 241                                                "avatar_token", avatar_token,
 242                                                NULL);
 243         }
 244
 245         megaphone_applet_update_icon (applet);
 246
 247         if (priv->contact ) {
 248                 name = empathy_contact_get_name (priv->contact);
 249                 status = empathy_contact_get_status (priv->contact);
 250                 tip = g_strdup_printf ("<b>%s</b>: %s", name, status);
 251                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet), tip);
 252                 g_free (tip);
 253         } else {
 254                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet),
 255                                                _("Please configure a contact."));
 256         }
 257
 258 }
 259
 260 static void
 261 megaphone_applet_set_contact (MegaphoneApplet *applet,
 262                               const gchar     *str)
 263 {
 264         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 265         McAccount           *account = NULL;
 266         gchar              **strv = NULL;
 267
 268         DEBUG ("Setting new contact %s", str);
 269
 270         /* Release old contact, if any */
 271         if (priv->contact) {
 272                 g_signal_handlers_disconnect_by_func (priv->contact,
 273                                                       megaphone_applet_update_contact,
 274                                                       applet);
 275                 g_object_unref (priv->contact),
 276                 priv->contact = NULL;
 277         }
 278
 279         /* Lookup the new contact */
 280         if (str) {
 281                 strv = g_strsplit (str, "/", 2);
 282                 account = mc_account_lookup (strv[0]);
 283         }
 284         if (account) {
 285                 priv->contact = empathy_contact_factory_get_from_id (priv->factory,
 286                                                                      account,
 287                                                                      strv[1]);
 288                 g_object_unref (account);
 289         }
 290         g_strfreev (strv);
 291
 292         /* Take hold of the new contact if any */
 293         if (priv->contact) {
 294                 /* Listen for updates on the contact, and force a first update */
 295                 g_signal_connect_swapped (priv->contact, "notify",
 296                                           G_CALLBACK (megaphone_applet_update_contact),
 297                                           applet);
 298         }
 299
 300         megaphone_applet_update_contact (applet);
 301 }
 302
 303 static void
 304 megaphone_applet_preferences_response_cb (GtkWidget       *dialog,
 305                                           gint             response,
 306                                           MegaphoneApplet *applet)
 307 {
 308         if (response == GTK_RESPONSE_ACCEPT) {
 309                 EmpathyContactListView *contact_list;
 310                 EmpathyContact         *contact;
 311
 312                 /* Retrieve the selected contact, if any and set it up in gconf.
 313                  * GConf will notify us from the change and we will adjust ourselves */
 314                 contact_list = g_object_get_data (G_OBJECT (dialog), "contact-list");
 315                 contact = empathy_contact_list_view_get_selected (contact_list);
 316                 if (contact) {
 317                         McAccount   *account;
 318                         const gchar *account_id;
 319                         const gchar *contact_id;
 320                         gchar       *str;
 321
 322                         account = empathy_contact_get_account (contact);
 323                         account_id = mc_account_get_unique_name (account);
 324                         contact_id = empathy_contact_get_id (contact);
 325
 326                         str = g_strconcat (account_id, "/", contact_id, NULL);
 327                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
 328                                                        "avatar_token", "",
 329                                                        NULL);
 330                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
 331                                                        "contact_id", str,
 332                                                        NULL);
 333                         g_free (str);
 334                 }
 335         }
 336         gtk_widget_destroy (dialog);
 337 }
 338
 339 static void
 340 megaphone_applet_show_preferences (MegaphoneApplet *applet)
 341 {
 342         GtkWidget               *dialog;
 343         GtkWidget               *scroll;
 344         EmpathyContactListView  *contact_list;
 345         EmpathyContactListStore *contact_store;
 346         EmpathyContactManager   *contact_manager;
 347
 348         dialog = gtk_dialog_new_with_buttons (_("Select contact..."),
 349                                               NULL, 0,
 350                                               GTK_STOCK_CANCEL,
 351                                               GTK_RESPONSE_REJECT,
 352                                               GTK_STOCK_OK,
 353                                               GTK_RESPONSE_ACCEPT,
 354                                               NULL);
 355
 356         /* Show all contacts, even offline and sort alphabetically */
 357         contact_manager = empathy_contact_manager_dup_singleton ();
 358         contact_store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (contact_manager));
 359         g_object_set (contact_store,
 360                       "is-compact", TRUE,
 361                       "show-avatars", TRUE,
 362                       "show-offline", TRUE,
 363                       "sort-criterium", EMPATHY_CONTACT_LIST_STORE_SORT_NAME,
 364                       NULL);
 365         contact_list = empathy_contact_list_view_new (contact_store,
 366                                                       EMPATHY_CONTACT_LIST_FEATURE_NONE,
 367                                                       EMPATHY_CONTACT_FEATURE_NONE);
 368         g_object_unref (contact_manager);
 369         g_object_unref (contact_store);
 370         gtk_widget_show (GTK_WIDGET (contact_list));
 371
 372         gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 500);
 373         scroll = gtk_scrolled_window_new (NULL, NULL);
 374         gtk_container_add (GTK_CONTAINER (scroll), GTK_WIDGET (contact_list));
 375         gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), scroll);
 376         gtk_widget_show (scroll);
 377
 378         g_object_set_data (G_OBJECT (dialog), "contact-list", contact_list);
 379
 380         g_signal_connect (dialog, "response",
 381                           G_CALLBACK (megaphone_applet_preferences_response_cb),
 382                           applet);
 383
 384         gtk_widget_show (dialog);
 385 }
 386
 387 static void
 388 megaphone_applet_information_cb (BonoboUIComponent *uic,
 389                                  MegaphoneApplet   *applet,
 390                                  const gchar       *verb_name)
 391 {
 392         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 393
 394         /* FIXME: We should grey out the menu item if there are no available contact */
 395         if (priv->contact) {
 396                 empathy_contact_information_dialog_show (priv->contact, NULL, FALSE, FALSE);
 397         }
 398 }
 399
 400 static void
 401 megaphone_applet_preferences_cb (BonoboUIComponent *uic,
 402                                  MegaphoneApplet   *applet,
 403                                  const gchar       *verb_name)
 404 {
 405         megaphone_applet_show_preferences (applet);
 406 }
 407
 408 static void
 409 megaphone_applet_about_cb (BonoboUIComponent *uic,
 410                            MegaphoneApplet   *applet,
 411                            const gchar       *verb_name)
 412 {
 413         gtk_show_about_dialog (NULL,
 414                                "name", "Megaphone",
 415                                "version", PACKAGE_VERSION,
 416                                "copyright", "Raphaël Slinckx 2007\nCollabora Ltd 2007",
 417                                "comments", _("Talk!"),
 418                                "authors", authors,
 419                                "logo-icon-name", "stock_people",
 420                                NULL);
 421 }
 422
 423 static gboolean
 424 megaphone_applet_button_press_event_cb (GtkWidget       *widget,
 425                                         GdkEventButton  *event,
 426                                         MegaphoneApplet *applet)
 427 {
 428         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 429         MissionControl      *mc;
 430
 431         /* Only react on left-clicks */
 432         if (event->button != 1 || event->type != GDK_BUTTON_PRESS) {
 433                 return FALSE;
 434         }
 435
 436         /* If the contact is unavailable we display the preferences dialog */
 437         if (priv->contact == NULL) {
 438                 megaphone_applet_show_preferences (applet);
 439                 return TRUE;
 440         }
 441
 442         DEBUG ("Requesting text channel for contact %s (%d)",
 443                 empathy_contact_get_id (priv->contact),
 444                 empathy_contact_get_handle (priv->contact));
 445
 446         mc = empathy_mission_control_dup_singleton ();
 447         mission_control_request_channel (mc,
 448                                          empathy_contact_get_account (priv->contact),
 449                                          TP_IFACE_CHANNEL_TYPE_TEXT,
 450                                          empathy_contact_get_handle (priv->contact),
 451                                          TP_HANDLE_TYPE_CONTACT,
 452                                          NULL, NULL);
 453         g_object_unref (mc);
 454
 455         return TRUE;
 456 }
 457
 458 static void
 459 megaphone_applet_size_allocate_cb (GtkWidget       *widget,
 460                                    GtkAllocation   *allocation,
 461                                    MegaphoneApplet *applet)
 462 {
 463         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 464         gint                 size;
 465         PanelAppletOrient    orient;
 466
 467         orient = panel_applet_get_orient (PANEL_APPLET (widget));
 468         if (orient == PANEL_APPLET_ORIENT_LEFT ||
 469             orient == PANEL_APPLET_ORIENT_RIGHT) {
 470                 size = allocation->width;
 471         } else {
 472                 size = allocation->height;
 473         }
 474
 475         if (size != priv->image_size) {
 476                 priv->image_size = size;
 477                 megaphone_applet_update_icon (applet);
 478         }
 479 }
 480
 481 static void
 482 megaphone_applet_gconf_notify_cb (GConfClient     *client,
 483                                   guint            cnxn_id,
 484                                   GConfEntry      *entry,
 485                                   MegaphoneApplet *applet)
 486 {
 487         const gchar *key;
 488         GConfValue  *value;
 489
 490         key = gconf_entry_get_key (entry);
 491         value = gconf_entry_get_value (entry);
 492         DEBUG ("GConf notification for key '%s'", key);
 493
 494         if (value && g_str_has_suffix (key, "/contact_id")) {
 495                 megaphone_applet_set_contact (applet,
 496                                               gconf_value_get_string (value));
 497         }
 498 }
 499
 500 static gboolean
 501 megaphone_applet_factory (PanelApplet *applet,
 502                           const gchar *iid,
 503                           gpointer     data)
 504 {
 505         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 506         gchar               *pref_dir;
 507         gchar               *contact_id;
 508
 509         /* Ensure it's us! */
 510         if (strcmp (iid, "OAFIID:GNOME_Megaphone_Applet") != 0) {
 511                 return FALSE;
 512         }
 513
 514         DEBUG ("Starting up new instance!");
 515
 516         /* Set up the right-click menu */
 517         panel_applet_setup_menu_from_file (applet,
 518                                            PKGDATADIR,
 519                                            "GNOME_Megaphone_Applet.xml",
 520                                            NULL,
 521                                            megaphone_applet_menu_verbs,
 522                                            applet);
 523
 524         /* Define the schema to be used for each applet instance's preferences */
 525         panel_applet_add_preferences (applet,
 526                                       "/schemas/apps/megaphone-applet/prefs",
 527                                       NULL);
 528
 529         /* We watch the preferences directory */
 530         pref_dir = panel_applet_gconf_get_full_key (applet, "");
 531         pref_dir[strlen (pref_dir)-1] = '\0';
 532         gconf_client_add_dir (priv->gconf, pref_dir,
 533                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 534                               NULL);
 535         gconf_client_notify_add (priv->gconf, pref_dir,
 536                                  (GConfClientNotifyFunc) megaphone_applet_gconf_notify_cb,
 537                                  applet,
 538                                  NULL, NULL);
 539         g_free (pref_dir);
 540
 541         /* Initial setup with the pre-existing gconf key, or contact_id=NULL if no previous pref */
 542         contact_id = panel_applet_gconf_get_string (PANEL_APPLET (applet), "contact_id", NULL);
 543         megaphone_applet_set_contact (MEGAPHONE_APPLET (applet), contact_id);
 544         g_free (contact_id);
 545
 546         /* Let's go! */
 547         gtk_widget_show (GTK_WIDGET (applet));
 548
 549         return TRUE;
 550 }
 551
 552 PANEL_APPLET_BONOBO_FACTORY ("OAFIID:GNOME_Megaphone_Applet_Factory",
 553                              MEGAPHONE_TYPE_APPLET,
 554                              "Megaphone", PACKAGE_VERSION,
 555                              megaphone_applet_factory,
 556                              NULL);
 557