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) 2007-2009 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-tp-contact-factory.h>
  38 #include <libempathy/empathy-account-manager.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         EmpathyTpContactFactory *factory;
  57         EmpathyAccountManager   *account_manager;
  58         McAccount               *account;
  59         gchar                   *id;
  60         GtkWidget               *image;
  61         gint                     image_size;
  62         EmpathyContact          *contact;
  63         GConfClient             *gconf;
  64         guint                    gconf_cnxn;
  65 } MegaphoneAppletPriv;
  66
  67 G_DEFINE_TYPE(MegaphoneApplet, megaphone_applet, PANEL_TYPE_APPLET)
  68
  69 static void
  70 megaphone_applet_update_icon (MegaphoneApplet *applet)
  71 {
  72         MegaphoneAppletPriv *priv = GET_PRIV (applet);
  73         EmpathyAvatar       *avatar = NULL;
  74         GdkPixbuf           *avatar_pixbuf;
  75
  76         if (priv->contact) {
  77                 avatar = empathy_contact_get_avatar (priv->contact);
  78         } else {
  79                 gtk_image_set_from_icon_name (GTK_IMAGE (priv->image),
  80                                               GTK_STOCK_PREFERENCES,
  81                                               GTK_ICON_SIZE_MENU);
  82                 return;
  83         }
  84
  85         if (!avatar) {
  86                 gchar *avatar_token;
  87
  88                 /* Try to take avatar from cache */
  89                 avatar_token = panel_applet_gconf_get_string (PANEL_APPLET (applet),
  90                                                               "avatar_token",
  91                                                               NULL);
  92                 if (!EMP_STR_EMPTY (avatar_token)) {
  93                         empathy_contact_load_avatar_cache (priv->contact, avatar_token);
  94                         avatar = empathy_contact_get_avatar (priv->contact);
  95                 }
  96                 g_free (avatar_token);
  97         }
  98
  99         if (avatar) {
 100                 avatar_pixbuf = empathy_pixbuf_from_avatar_scaled (avatar,
 101                                                                    priv->image_size - 2,
 102                                                                    priv->image_size - 2);
 103         } else {
 104                 GtkIconTheme *icon_theme;
 105
 106                 /* Load the default icon when no avatar is found */
 107                 icon_theme = gtk_icon_theme_get_default ();
 108                 avatar_pixbuf = gtk_icon_theme_load_icon (icon_theme,
 109                                                           "stock_contact",
 110                                                           priv->image_size - 2,
 111                                                           0, NULL);
 112         }
 113
 114         /* Now some desaturation if the contact is offline */
 115         if (!empathy_contact_is_online (priv->contact)) {
 116                 GdkPixbuf *offline_avatar;
 117
 118                 offline_avatar = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE,
 119                                                  8,
 120                                                  gdk_pixbuf_get_height (avatar_pixbuf),
 121                                                  gdk_pixbuf_get_width (avatar_pixbuf));
 122                 gdk_pixbuf_saturate_and_pixelate (avatar_pixbuf,
 123                                                   offline_avatar,
 124                                                   0.0,
 125                                                   TRUE);
 126                 g_object_unref (avatar_pixbuf);
 127                 avatar_pixbuf = offline_avatar;
 128         }
 129
 130         gtk_image_set_from_pixbuf (GTK_IMAGE (priv->image), avatar_pixbuf);
 131         g_object_unref (avatar_pixbuf);
 132 }
 133
 134 static void
 135 megaphone_applet_update_contact (MegaphoneApplet *applet)
 136 {
 137         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 138         const gchar         *name;
 139         const gchar         *status;
 140         gchar               *tip;
 141         const gchar         *avatar_token = NULL;
 142
 143         if (priv->contact) {
 144                 EmpathyAvatar *avatar;
 145
 146                 avatar = empathy_contact_get_avatar (priv->contact);
 147                 if (avatar) {
 148                         avatar_token = avatar->token;
 149                 }
 150         }
 151
 152         if (avatar_token) {
 153                 panel_applet_gconf_set_string (PANEL_APPLET (applet),
 154                                                "avatar_token", avatar_token,
 155                                                NULL);
 156         }
 157
 158         megaphone_applet_update_icon (applet);
 159
 160         if (priv->contact ) {
 161                 name = empathy_contact_get_name (priv->contact);
 162                 status = empathy_contact_get_status (priv->contact);
 163                 tip = g_strdup_printf ("<b>%s</b>: %s", name, status);
 164                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet), tip);
 165                 g_free (tip);
 166         } else {
 167                 gtk_widget_set_tooltip_markup (GTK_WIDGET (applet),
 168                                                _("Please configure a contact."));
 169         }
 170
 171 }
 172
 173 static void
 174 megaphone_applet_got_contact_cb (EmpathyTpContactFactory *factory,
 175                                  EmpathyContact          *contact,
 176                                  const GError            *error,
 177                                  gpointer                 user_data,
 178                                  GObject                 *applet)
 179 {
 180         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 181
 182         if (error != NULL) {
 183                 DEBUG ("Error: %s", error->message);
 184                 return;
 185         }
 186
 187         priv->contact = g_object_ref (contact);
 188         g_signal_connect_swapped (priv->contact, "notify",
 189                                   G_CALLBACK (megaphone_applet_update_contact),
 190                                   applet);
 191         megaphone_applet_update_contact (MEGAPHONE_APPLET (applet));
 192 }
 193
 194 static void
 195 megaphone_applet_new_connection_cb (EmpathyAccountManager *manager,
 196                                     TpConnection          *connection,
 197                                     McAccount             *account,
 198                                     MegaphoneApplet       *applet)
 199 {
 200         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 201
 202         if (priv->contact || !empathy_account_equal (account, priv->account)) {
 203                 return;
 204         }
 205
 206         priv->factory = empathy_tp_contact_factory_dup_singleton (connection);
 207         empathy_tp_contact_factory_get_from_id (priv->factory, priv->id,
 208                 megaphone_applet_got_contact_cb,
 209                 NULL, NULL, G_OBJECT (applet));
 210 }
 211
 212 static void
 213 megaphone_applet_preferences_response_cb (GtkWidget       *dialog,
 214                                           gint             response,
 215                                           MegaphoneApplet *applet)
 216 {
 217         if (response == GTK_RESPONSE_ACCEPT) {
 218                 EmpathyContactListView *contact_list;
 219                 EmpathyContact         *contact;
 220
 221                 /* Retrieve the selected contact, if any and set it up in gconf.
 222                  * GConf will notify us from the change and we will adjust ourselves */
 223                 contact_list = g_object_get_data (G_OBJECT (dialog), "contact-list");
 224                 contact = empathy_contact_list_view_get_selected (contact_list);
 225                 if (contact) {
 226                         McAccount   *account;
 227                         const gchar *account_id;
 228                         const gchar *contact_id;
 229                         gchar       *str;
 230
 231                         account = empathy_contact_get_account (contact);
 232                         account_id = mc_account_get_unique_name (account);
 233                         contact_id = empathy_contact_get_id (contact);
 234
 235                         str = g_strconcat (account_id, "/", contact_id, NULL);
 236                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
 237                                                        "avatar_token", "",
 238                                                        NULL);
 239                         panel_applet_gconf_set_string (PANEL_APPLET (applet),
 240                                                        "contact_id", str,
 241                                                        NULL);
 242                         g_free (str);
 243                 }
 244         }
 245         gtk_widget_destroy (dialog);
 246 }
 247
 248 static void
 249 megaphone_applet_show_preferences (MegaphoneApplet *applet)
 250 {
 251         GtkWidget               *dialog;
 252         GtkWidget               *scroll;
 253         EmpathyContactListView  *contact_list;
 254         EmpathyContactListStore *contact_store;
 255         EmpathyContactManager   *contact_manager;
 256
 257         dialog = gtk_dialog_new_with_buttons (_("Select contact..."),
 258                                               NULL, 0,
 259                                               GTK_STOCK_CANCEL,
 260                                               GTK_RESPONSE_REJECT,
 261                                               GTK_STOCK_OK,
 262                                               GTK_RESPONSE_ACCEPT,
 263                                               NULL);
 264
 265         /* Show all contacts, even offline and sort alphabetically */
 266         contact_manager = empathy_contact_manager_dup_singleton ();
 267         contact_store = empathy_contact_list_store_new (EMPATHY_CONTACT_LIST (contact_manager));
 268         g_object_set (contact_store,
 269                       "is-compact", TRUE,
 270                       "show-avatars", TRUE,
 271                       "show-offline", TRUE,
 272                       "sort-criterium", EMPATHY_CONTACT_LIST_STORE_SORT_NAME,
 273                       NULL);
 274         contact_list = empathy_contact_list_view_new (contact_store,
 275                                                       EMPATHY_CONTACT_LIST_FEATURE_NONE,
 276                                                       EMPATHY_CONTACT_FEATURE_NONE);
 277         g_object_unref (contact_manager);
 278         g_object_unref (contact_store);
 279         gtk_widget_show (GTK_WIDGET (contact_list));
 280
 281         gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 500);
 282         scroll = gtk_scrolled_window_new (NULL, NULL);
 283         gtk_container_add (GTK_CONTAINER (scroll), GTK_WIDGET (contact_list));
 284         gtk_container_add (GTK_CONTAINER (GTK_DIALOG (dialog)->vbox), scroll);
 285         gtk_widget_show (scroll);
 286
 287         g_object_set_data (G_OBJECT (dialog), "contact-list", contact_list);
 288
 289         g_signal_connect (dialog, "response",
 290                           G_CALLBACK (megaphone_applet_preferences_response_cb),
 291                           applet);
 292
 293         gtk_widget_show (dialog);
 294 }
 295
 296 static gboolean
 297 megaphone_applet_button_press_event_cb (GtkWidget       *widget,
 298                                         GdkEventButton  *event,
 299                                         MegaphoneApplet *applet)
 300 {
 301         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 302         MissionControl      *mc;
 303
 304         /* Only react on left-clicks */
 305         if (event->button != 1 || event->type != GDK_BUTTON_PRESS) {
 306                 return FALSE;
 307         }
 308
 309         /* If the contact is unavailable we display the preferences dialog */
 310         if (priv->contact == NULL) {
 311                 megaphone_applet_show_preferences (applet);
 312                 return TRUE;
 313         }
 314
 315         DEBUG ("Requesting text channel for contact %s (%d)",
 316                 empathy_contact_get_id (priv->contact),
 317                 empathy_contact_get_handle (priv->contact));
 318
 319         mc = empathy_mission_control_dup_singleton ();
 320         mission_control_request_channel (mc,
 321                                          empathy_contact_get_account (priv->contact),
 322                                          TP_IFACE_CHANNEL_TYPE_TEXT,
 323                                          empathy_contact_get_handle (priv->contact),
 324                                          TP_HANDLE_TYPE_CONTACT,
 325                                          NULL, NULL);
 326         g_object_unref (mc);
 327
 328         return TRUE;
 329 }
 330
 331 static void
 332 megaphone_applet_size_allocate_cb (GtkWidget       *widget,
 333                                    GtkAllocation   *allocation,
 334                                    MegaphoneApplet *applet)
 335 {
 336         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 337         gint                 size;
 338         PanelAppletOrient    orient;
 339
 340         orient = panel_applet_get_orient (PANEL_APPLET (widget));
 341         if (orient == PANEL_APPLET_ORIENT_LEFT ||
 342             orient == PANEL_APPLET_ORIENT_RIGHT) {
 343                 size = allocation->width;
 344         } else {
 345                 size = allocation->height;
 346         }
 347
 348         if (size != priv->image_size) {
 349                 priv->image_size = size;
 350                 megaphone_applet_update_icon (applet);
 351         }
 352 }
 353
 354 static void
 355 megaphone_applet_finalize (GObject *object)
 356 {
 357         MegaphoneAppletPriv *priv = GET_PRIV (object);
 358
 359         if (priv->contact) {
 360                 g_object_unref (priv->contact);
 361         }
 362         if (priv->factory) {
 363                 g_object_unref (priv->factory);
 364         }
 365         if (priv->account_manager) {
 366                 g_signal_handlers_disconnect_by_func (priv->account_manager,
 367                         megaphone_applet_new_connection_cb, object);
 368                 g_object_unref (priv->account_manager);
 369         }
 370
 371         if (priv->gconf_cnxn != 0) {
 372                 gconf_client_notify_remove (priv->gconf, priv->gconf_cnxn);
 373         }
 374         g_object_unref (priv->gconf);
 375         g_free (priv->id);
 376
 377         G_OBJECT_CLASS (megaphone_applet_parent_class)->finalize (object);
 378 }
 379
 380 static void
 381 megaphone_applet_class_init (MegaphoneAppletClass *class)
 382 {
 383         GObjectClass *object_class;
 384
 385         object_class = G_OBJECT_CLASS (class);
 386
 387         object_class->finalize = megaphone_applet_finalize;
 388
 389         g_type_class_add_private (object_class, sizeof (MegaphoneAppletPriv));
 390         empathy_gtk_init ();
 391 }
 392
 393 static void
 394 megaphone_applet_init (MegaphoneApplet *applet)
 395 {
 396         MegaphoneAppletPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (applet,
 397                 MEGAPHONE_TYPE_APPLET, MegaphoneAppletPriv);
 398
 399         applet->priv = priv;
 400         priv->gconf = gconf_client_get_default ();
 401         priv->account_manager = empathy_account_manager_dup_singleton ();
 402         g_signal_connect (priv->account_manager, "new-connection",
 403                 G_CALLBACK (megaphone_applet_new_connection_cb), applet);
 404
 405         /* Image holds the contact avatar */
 406         priv->image = gtk_image_new ();
 407         gtk_widget_show (priv->image);
 408         gtk_container_add (GTK_CONTAINER (applet), priv->image);
 409
 410         /* We want transparency */
 411         panel_applet_set_flags (PANEL_APPLET (applet), PANEL_APPLET_EXPAND_MINOR);
 412         panel_applet_set_background_widget (PANEL_APPLET (applet), GTK_WIDGET (applet));
 413
 414         /* Listen for clicks on the applet to dispatch a channel */
 415         g_signal_connect (applet, "button-press-event",
 416                           G_CALLBACK (megaphone_applet_button_press_event_cb),
 417                           applet);
 418
 419         /* Allow to resize our avatar when needed */
 420         g_signal_connect (applet, "size-allocate",
 421                           G_CALLBACK (megaphone_applet_size_allocate_cb),
 422                           applet);
 423 }
 424
 425 static void
 426 megaphone_applet_set_contact (MegaphoneApplet *applet,
 427                               const gchar     *str)
 428 {
 429         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 430         TpConnection        *connection;
 431         gchar              **strv = NULL;
 432
 433         DEBUG ("Setting new contact %s", str);
 434
 435         /* Release old contact, if any */
 436         if (priv->contact) {
 437                 g_signal_handlers_disconnect_by_func (priv->contact,
 438                                                       megaphone_applet_update_contact,
 439                                                       applet);
 440                 g_object_unref (priv->contact),
 441                 priv->contact = NULL;
 442         }
 443         if (priv->account) {
 444                 g_object_unref (priv->account),
 445                 priv->account = NULL;
 446         }
 447         if (priv->factory) {
 448                 g_object_unref (priv->factory),
 449                 priv->factory = NULL;
 450         }
 451
 452         /* Lookup the new contact */
 453         if (str) {
 454                 strv = g_strsplit (str, "/", 2);
 455                 priv->account = mc_account_lookup (strv[0]);
 456                 priv->id = strv[1];
 457                 g_free (strv[0]);
 458                 g_free (strv);
 459         }
 460
 461         if (priv->account) {
 462                 connection = empathy_account_manager_get_connection (
 463                         priv->account_manager, priv->account);
 464                 if (connection) {
 465                         megaphone_applet_new_connection_cb (priv->account_manager,
 466                                 connection, priv->account, applet);
 467                 }
 468         }
 469 }
 470
 471 static void
 472 megaphone_applet_information_cb (BonoboUIComponent *uic,
 473                                  MegaphoneApplet   *applet,
 474                                  const gchar       *verb_name)
 475 {
 476         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 477
 478         /* FIXME: We should grey out the menu item if there are no available contact */
 479         if (priv->contact) {
 480                 empathy_contact_information_dialog_show (priv->contact, NULL);
 481         }
 482 }
 483
 484 static void
 485 megaphone_applet_preferences_cb (BonoboUIComponent *uic,
 486                                  MegaphoneApplet   *applet,
 487                                  const gchar       *verb_name)
 488 {
 489         megaphone_applet_show_preferences (applet);
 490 }
 491
 492 static void
 493 megaphone_applet_gconf_notify_cb (GConfClient     *client,
 494                                   guint            cnxn_id,
 495                                   GConfEntry      *entry,
 496                                   MegaphoneApplet *applet)
 497 {
 498         const gchar *key;
 499         GConfValue  *value;
 500
 501         key = gconf_entry_get_key (entry);
 502         value = gconf_entry_get_value (entry);
 503         DEBUG ("GConf notification for key '%s'", key);
 504
 505         if (value && g_str_has_suffix (key, "/contact_id")) {
 506                 megaphone_applet_set_contact (applet,
 507                                               gconf_value_get_string (value));
 508         }
 509 }
 510
 511 static void
 512 megaphone_applet_about_cb (BonoboUIComponent *uic,
 513                            MegaphoneApplet   *applet,
 514                            const gchar       *verb_name)
 515 {
 516         const char* authors[] = {
 517                 "Raphaël Slinckx <raphael@slinckx.net>",
 518                 "Xavier Claessens <xclaesse@gmail.com>",
 519                 NULL
 520         };
 521
 522         gtk_show_about_dialog (NULL,
 523                                "name", "Megaphone",
 524                                "version", PACKAGE_VERSION,
 525                                "copyright", "Raphaël Slinckx 2007\nCollabora Ltd 2007",
 526                                "comments", _("Talk!"),
 527                                "authors", authors,
 528                                "logo-icon-name", "stock_people",
 529                                NULL);
 530 }
 531
 532 static const BonoboUIVerb megaphone_applet_menu_verbs [] = {
 533         BONOBO_UI_UNSAFE_VERB ("information", megaphone_applet_information_cb),
 534         BONOBO_UI_UNSAFE_VERB ("preferences", megaphone_applet_preferences_cb),
 535         BONOBO_UI_UNSAFE_VERB ("about",       megaphone_applet_about_cb),
 536         BONOBO_UI_VERB_END
 537 };
 538
 539 static gboolean
 540 megaphone_applet_factory (PanelApplet *applet,
 541                           const gchar *iid,
 542                           gpointer     data)
 543 {
 544         MegaphoneAppletPriv *priv = GET_PRIV (applet);
 545         gchar               *pref_dir;
 546         gchar               *contact_id;
 547
 548         /* Ensure it's us! */
 549         if (strcmp (iid, "OAFIID:GNOME_Megaphone_Applet") != 0) {
 550                 return FALSE;
 551         }
 552
 553         DEBUG ("Starting up new instance!");
 554
 555         /* Set up the right-click menu */
 556         panel_applet_setup_menu_from_file (applet,
 557                                            PKGDATADIR,
 558                                            "GNOME_Megaphone_Applet.xml",
 559                                            NULL,
 560                                            megaphone_applet_menu_verbs,
 561                                            applet);
 562
 563         /* Define the schema to be used for each applet instance's preferences */
 564         panel_applet_add_preferences (applet,
 565                                       "/schemas/apps/megaphone-applet/prefs",
 566                                       NULL);
 567
 568         /* We watch the preferences directory */
 569         pref_dir = panel_applet_gconf_get_full_key (applet, "");
 570         pref_dir[strlen (pref_dir)-1] = '\0';
 571         gconf_client_add_dir (priv->gconf, pref_dir,
 572                               GCONF_CLIENT_PRELOAD_ONELEVEL,
 573                               NULL);
 574         gconf_client_notify_add (priv->gconf, pref_dir,
 575                                  (GConfClientNotifyFunc) megaphone_applet_gconf_notify_cb,
 576                                  applet,
 577                                  NULL, NULL);
 578         g_free (pref_dir);
 579
 580         /* Initial setup with the pre-existing gconf key, or contact_id=NULL if no previous pref */
 581         contact_id = panel_applet_gconf_get_string (PANEL_APPLET (applet), "contact_id", NULL);
 582         megaphone_applet_set_contact (MEGAPHONE_APPLET (applet), contact_id);
 583         g_free (contact_id);
 584
 585         /* Let's go! */
 586         gtk_widget_show (GTK_WIDGET (applet));
 587
 588         return TRUE;
 589 }
 590
 591 PANEL_APPLET_BONOBO_FACTORY ("OAFIID:GNOME_Megaphone_Applet_Factory",
 592                              MEGAPHONE_TYPE_APPLET,
 593                              "Megaphone", PACKAGE_VERSION,
 594                              megaphone_applet_factory,
 595                              NULL);
 596