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