libempathy-gtk/gossip-private-chat.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2002-2007 Imendio AB
   4  * Copyright (C) 2007 Collabora Ltd.
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (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 GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  *
  21  * Authors: Mikael Hallendal <micke@imendio.com>
  22  *          Richard Hult <richard@imendio.com>
  23  *          Martyn Russell <martyn@imendio.com>
  24  *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
  25  *          Xavier Claessens <xclaesse@gmail.com>
  26  */
  27
  28 #include "config.h"
  29
  30 #include <string.h>
  31
  32 #include <gtk/gtk.h>
  33 #include <glade/glade.h>
  34 #include <glib/gi18n.h>
  35
  36 #include <libmissioncontrol/mc-account.h>
  37
  38 #include <libempathy/gossip-debug.h>
  39 #include <libempathy/empathy-tp-chat.h>
  40 //#include <libgossip/gossip-log.h>
  41
  42 #include "gossip-private-chat.h"
  43 #include "gossip-chat-view.h"
  44 #include "gossip-chat.h"
  45 #include "gossip-preferences.h"
  46 //#include "gossip-sound.h"
  47 #include "gossip-stock.h"
  48 #include "gossip-ui-utils.h"
  49
  50 #define DEBUG_DOMAIN "PrivateChat"
  51
  52 #define COMPOSING_STOP_TIMEOUT 5
  53
  54 #define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_PRIVATE_CHAT, GossipPrivateChatPriv))
  55
  56 struct _GossipPrivateChatPriv {
  57         GossipContact *contact;
  58         gchar         *name;
  59
  60         guint          scroll_idle_id;
  61         gboolean       is_online;
  62
  63         GtkWidget     *widget;
  64         GtkWidget     *text_view_sw;
  65 };
  66
  67 static void           gossip_private_chat_class_init            (GossipPrivateChatClass *klass);
  68 static void           gossip_private_chat_init                  (GossipPrivateChat      *chat);
  69 static void           private_chat_finalize                     (GObject                *object);
  70 static void           private_chat_create_ui                    (GossipPrivateChat      *chat);
  71 static void           private_chat_contact_presence_updated_cb  (GossipContact          *contact,
  72                                                                  GParamSpec             *param,
  73                                                                  GossipPrivateChat      *chat);
  74 static void           private_chat_contact_updated_cb           (GossipContact          *contact,
  75                                                                  GParamSpec             *param,
  76                                                                  GossipPrivateChat      *chat);
  77 static void           private_chat_widget_destroy_cb            (GtkWidget              *widget,
  78                                                                  GossipPrivateChat      *chat);
  79 static const gchar *  private_chat_get_name                     (GossipChat             *chat);
  80 static gchar *        private_chat_get_tooltip                  (GossipChat             *chat);
  81 static GdkPixbuf *    private_chat_get_status_pixbuf            (GossipChat             *chat);
  82 static GossipContact *private_chat_get_contact                  (GossipChat             *chat);
  83 static GtkWidget *    private_chat_get_widget                   (GossipChat             *chat);
  84 /*static GdkPixbuf *    private_chat_pad_to_size                  (GdkPixbuf              *pixbuf,
  85                                                                  gint                    width,
  86                                                                  gint                    height,
  87                                                                  gint                    extra_padding_right);*/
  88
  89 G_DEFINE_TYPE (GossipPrivateChat, gossip_private_chat, GOSSIP_TYPE_CHAT);
  90
  91 static void
  92 gossip_private_chat_class_init (GossipPrivateChatClass *klass)
  93 {
  94         GObjectClass    *object_class = G_OBJECT_CLASS (klass);
  95         GossipChatClass *chat_class = GOSSIP_CHAT_CLASS (klass);
  96
  97         object_class->finalize = private_chat_finalize;
  98
  99         chat_class->get_name          = private_chat_get_name;
 100         chat_class->get_tooltip       = private_chat_get_tooltip;
 101         chat_class->get_status_pixbuf = private_chat_get_status_pixbuf;
 102         chat_class->get_contact       = private_chat_get_contact;
 103         chat_class->get_widget        = private_chat_get_widget;
 104         chat_class->get_show_contacts = NULL;
 105         chat_class->set_show_contacts = NULL;
 106         chat_class->is_group_chat     = NULL;
 107
 108         g_type_class_add_private (object_class, sizeof (GossipPrivateChatPriv));
 109 }
 110
 111 static void
 112 gossip_private_chat_init (GossipPrivateChat *chat)
 113 {
 114         GossipPrivateChatPriv *priv;
 115
 116         priv = GET_PRIV (chat);
 117
 118         priv->is_online = FALSE;
 119
 120         private_chat_create_ui (chat);
 121
 122 }
 123
 124 static void
 125 private_chat_finalize (GObject *object)
 126 {
 127         GossipPrivateChat     *chat;
 128         GossipPrivateChatPriv *priv;
 129
 130         chat = GOSSIP_PRIVATE_CHAT (object);
 131         priv = GET_PRIV (chat);
 132
 133         g_signal_handlers_disconnect_by_func (priv->contact,
 134                                               private_chat_contact_updated_cb,
 135                                               chat);
 136         g_signal_handlers_disconnect_by_func (priv->contact,
 137                                               private_chat_contact_presence_updated_cb,
 138                                               chat);
 139
 140         if (priv->contact) {
 141                 g_object_unref (priv->contact);
 142         }
 143
 144         if (priv->scroll_idle_id) {
 145                 g_source_remove (priv->scroll_idle_id);
 146         }
 147
 148         g_free (priv->name);
 149
 150         G_OBJECT_CLASS (gossip_private_chat_parent_class)->finalize (object);
 151 }
 152
 153 static void
 154 private_chat_create_ui (GossipPrivateChat *chat)
 155 {
 156         GladeXML              *glade;
 157         GossipPrivateChatPriv *priv;
 158         GtkWidget             *input_text_view_sw;
 159
 160         priv = GET_PRIV (chat);
 161
 162         glade = gossip_glade_get_file ("gossip-chat.glade",
 163                                        "chat_widget",
 164                                        NULL,
 165                                       "chat_widget", &priv->widget,
 166                                       "chat_view_sw", &priv->text_view_sw,
 167                                       "input_text_view_sw", &input_text_view_sw,
 168                                        NULL);
 169
 170         gossip_glade_connect (glade,
 171                               chat,
 172                               "chat_widget", "destroy", private_chat_widget_destroy_cb,
 173                               NULL);
 174
 175         g_object_unref (glade);
 176
 177         g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));
 178
 179         gtk_container_add (GTK_CONTAINER (priv->text_view_sw),
 180                            GTK_WIDGET (GOSSIP_CHAT (chat)->view));
 181         gtk_widget_show (GTK_WIDGET (GOSSIP_CHAT (chat)->view));
 182
 183         gtk_container_add (GTK_CONTAINER (input_text_view_sw),
 184                            GOSSIP_CHAT (chat)->input_text_view);
 185         gtk_widget_show (GOSSIP_CHAT (chat)->input_text_view);
 186 }
 187
 188 static void
 189 private_chat_contact_presence_updated_cb (GossipContact     *contact,
 190                                           GParamSpec        *param,
 191                                           GossipPrivateChat *chat)
 192 {
 193         GossipPrivateChatPriv *priv;
 194
 195         priv = GET_PRIV (chat);
 196
 197         gossip_debug (DEBUG_DOMAIN, "Presence update for contact: %s",
 198                       gossip_contact_get_id (contact));
 199
 200         if (!gossip_contact_is_online (contact)) {
 201                 if (priv->is_online) {
 202                         gchar *msg;
 203
 204                         msg = g_strdup_printf (_("%s went offline"),
 205                                                gossip_contact_get_name (priv->contact));
 206                         gossip_chat_view_append_event (GOSSIP_CHAT (chat)->view, msg);
 207                         g_free (msg);
 208                 }
 209
 210                 priv->is_online = FALSE;
 211
 212                 g_signal_emit_by_name (chat, "composing", FALSE);
 213
 214         } else {
 215                 if (!priv->is_online) {
 216                         gchar *msg;
 217
 218                         msg = g_strdup_printf (_("%s has come online"),
 219                                                gossip_contact_get_name (priv->contact));
 220                         gossip_chat_view_append_event (GOSSIP_CHAT (chat)->view, msg);
 221                         g_free (msg);
 222                 }
 223
 224                 priv->is_online = TRUE;
 225         }
 226
 227         g_signal_emit_by_name (chat, "status-changed");
 228 }
 229
 230 static void
 231 private_chat_contact_updated_cb (GossipContact     *contact,
 232                                  GParamSpec        *param,
 233                                  GossipPrivateChat *chat)
 234 {
 235         GossipPrivateChatPriv *priv;
 236
 237         priv = GET_PRIV (chat);
 238
 239         if (strcmp (priv->name, gossip_contact_get_name (contact)) != 0) {
 240                 g_free (priv->name);
 241                 priv->name = g_strdup (gossip_contact_get_name (contact));
 242                 g_signal_emit_by_name (chat, "name-changed", priv->name);
 243         }
 244 }
 245
 246 static void
 247 private_chat_widget_destroy_cb (GtkWidget         *widget,
 248                                 GossipPrivateChat *chat)
 249 {
 250         gossip_debug (DEBUG_DOMAIN, "Destroyed");
 251
 252         g_object_unref (chat);
 253 }
 254
 255 static const gchar *
 256 private_chat_get_name (GossipChat *chat)
 257 {
 258         GossipPrivateChatPriv *priv;
 259
 260         g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
 261
 262         priv = GET_PRIV (chat);
 263
 264         return priv->name;
 265 }
 266
 267 static gchar *
 268 private_chat_get_tooltip (GossipChat *chat)
 269 {
 270         GossipPrivateChatPriv *priv;
 271         GossipContact         *contact;
 272         const gchar           *status;
 273
 274         g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
 275
 276         priv = GET_PRIV (chat);
 277
 278         contact = gossip_chat_get_contact (chat);
 279         status = gossip_contact_get_status (contact);
 280
 281         return g_strdup_printf ("%s\n%s",
 282                                 gossip_contact_get_id (contact),
 283                                 status);
 284 }
 285
 286 static GdkPixbuf *
 287 private_chat_get_status_pixbuf (GossipChat *chat)
 288 {
 289         GossipPrivateChatPriv *priv;
 290         GossipContact         *contact;
 291
 292         g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
 293
 294         priv = GET_PRIV (chat);
 295
 296         contact = gossip_chat_get_contact (chat);
 297
 298         return gossip_pixbuf_for_contact (contact);
 299 }
 300
 301 static GossipContact *
 302 private_chat_get_contact (GossipChat *chat)
 303 {
 304         GossipPrivateChatPriv *priv;
 305
 306         g_return_val_if_fail (GOSSIP_IS_PRIVATE_CHAT (chat), NULL);
 307
 308         priv = GET_PRIV (chat);
 309
 310         return priv->contact;
 311 }
 312
 313 static GtkWidget *
 314 private_chat_get_widget (GossipChat *chat)
 315 {
 316         GossipPrivateChatPriv *priv;
 317
 318         priv = GET_PRIV (chat);
 319
 320         return priv->widget;
 321 }
 322
 323 /* Scroll down after the back-log has been received. */
 324 static gboolean
 325 private_chat_scroll_down_idle_func (GossipChat *chat)
 326 {
 327         GossipPrivateChatPriv *priv;
 328
 329         priv = GET_PRIV (chat);
 330
 331         gossip_chat_scroll_down (chat);
 332         g_object_unref (chat);
 333
 334         priv->scroll_idle_id = 0;
 335
 336         return FALSE;
 337 }
 338
 339 static void
 340 private_chat_setup (GossipPrivateChat *chat,
 341                     GossipContact     *contact,
 342                     EmpathyTpChat     *tp_chat)
 343 {
 344         GossipPrivateChatPriv *priv;
 345         //GossipLogManager      *log_manager;
 346         GossipChatView        *view;
 347 /*      GossipContact         *sender;
 348         GossipMessage         *message;
 349         GList                 *messages, *l;
 350         gint                   num_messages, i;*/
 351
 352         priv = GET_PRIV (chat);
 353
 354         gossip_chat_set_tp_chat (GOSSIP_CHAT (chat), tp_chat);
 355
 356         priv->contact = g_object_ref (contact);
 357         GOSSIP_CHAT (chat)->account = g_object_ref (gossip_contact_get_account (contact));
 358
 359         priv->name = g_strdup (gossip_contact_get_name (contact));
 360
 361         g_signal_connect (priv->contact,
 362                           "notify::name",
 363                           G_CALLBACK (private_chat_contact_updated_cb),
 364                           chat);
 365         g_signal_connect (priv->contact,
 366                           "notify::presence",
 367                           G_CALLBACK (private_chat_contact_presence_updated_cb),
 368                           chat);
 369
 370         view = GOSSIP_CHAT (chat)->view;
 371
 372         /* Turn off scrolling temporarily */
 373         gossip_chat_view_scroll (view, FALSE);
 374 #if 0
 375 FIXME:
 376         /* Add messages from last conversation */
 377         log_manager = gossip_session_get_log_manager (gossip_app_get_session ());
 378         messages = gossip_log_get_last_for_contact (log_manager, priv->contact);
 379         num_messages  = g_list_length (messages);
 380
 381         for (l = messages, i = 0; l; l = l->next, i++) {
 382                 message = l->data;
 383
 384                 if (num_messages - i > 10) {
 385                         continue;
 386                 }
 387
 388                 sender = gossip_message_get_sender (message);
 389                 if (gossip_contact_equal (priv->own_contact, sender)) {
 390                         gossip_chat_view_append_message_from_self (view,
 391                                                                    message,
 392                                                                    priv->own_contact,
 393                                                                    priv->own_avatar);
 394                 } else {
 395                         gossip_chat_view_append_message_from_other (view,
 396                                                                     message,
 397                                                                     sender,
 398                                                                     priv->other_avatar);
 399                 }
 400         }
 401
 402         g_list_foreach (messages, (GFunc) g_object_unref, NULL);
 403         g_list_free (messages);
 404 #endif
 405         /* Turn back on scrolling */
 406         gossip_chat_view_scroll (view, TRUE);
 407
 408         /* Scroll to the most recent messages, we reference the chat
 409          * for the duration of the scroll func.
 410          */
 411         priv->scroll_idle_id = g_idle_add ((GSourceFunc)
 412                                            private_chat_scroll_down_idle_func,
 413                                            g_object_ref (chat));
 414
 415         priv->is_online = gossip_contact_is_online (priv->contact);
 416 }
 417
 418 GossipPrivateChat *
 419 gossip_private_chat_new (GossipContact *contact)
 420 {
 421         GossipPrivateChat *chat;
 422         EmpathyTpChat     *tp_chat;
 423
 424         g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
 425
 426         chat = g_object_new (GOSSIP_TYPE_PRIVATE_CHAT, NULL);
 427         tp_chat = empathy_tp_chat_new_with_contact (contact);
 428
 429         private_chat_setup (chat, contact, tp_chat);
 430         g_object_unref (tp_chat);
 431
 432         return chat;
 433 }
 434
 435 GossipPrivateChat *
 436 gossip_private_chat_new_with_channel (GossipContact *contact,
 437                                       TpChan        *tp_chan)
 438 {
 439         GossipPrivateChat *chat;
 440         EmpathyTpChat     *tp_chat;
 441         McAccount         *account;
 442
 443         g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
 444         g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 445
 446         account = gossip_contact_get_account (contact);
 447         chat = g_object_new (GOSSIP_TYPE_PRIVATE_CHAT, NULL);
 448         tp_chat = empathy_tp_chat_new (account, tp_chan);
 449
 450         private_chat_setup (chat, contact, tp_chat);
 451         g_object_unref (tp_chat);
 452
 453         return chat;
 454 }
 455
 456 /* Pads a pixbuf to the specified size, by centering it in a larger transparent
 457  * pixbuf. Returns a new ref.
 458  */
 459 #if 0
 460 FIXME:
 461 static GdkPixbuf *
 462 private_chat_pad_to_size (GdkPixbuf *pixbuf,
 463                           gint       width,
 464                           gint       height,
 465                           gint       extra_padding_right)
 466 {
 467         gint       src_width, src_height;
 468         GdkPixbuf *padded;
 469         gint       x_offset, y_offset;
 470
 471         src_width = gdk_pixbuf_get_width (pixbuf);
 472         src_height = gdk_pixbuf_get_height (pixbuf);
 473
 474         x_offset = (width - src_width) / 2;
 475         y_offset = (height - src_height) / 2;
 476
 477         padded = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf),
 478                                  TRUE, /* alpha */
 479                                  gdk_pixbuf_get_bits_per_sample (pixbuf),
 480                                  width + extra_padding_right,
 481                                  height);
 482
 483         gdk_pixbuf_fill (padded, 0);
 484
 485         gdk_pixbuf_copy_area (pixbuf,
 486                               0, /* source coords */
 487                               0,
 488                               src_width,
 489                               src_height,
 490                               padded,
 491                               x_offset, /* dest coords */
 492                               y_offset);
 493
 494         return padded;
 495 }
 496 #endif
 497