git.maemo.org Git - modest/blob - src/widgets/modest-folder-view.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <glib/gi18n.h>
  31 #include <string.h>
  32
  33 #include <tny-gtk-account-tree-model.h>
  34 #include <tny-account-store.h>
  35 #include <tny-account.h>
  36 #include <tny-folder.h>
  37 #include <modest-icon-names.h>
  38 #include <modest-icon-factory.h>
  39 #include <modest-tny-account-store.h>
  40
  41 #include "modest-folder-view.h"
  42
  43
  44 /* 'private'/'protected' functions */
  45 static void modest_folder_view_class_init  (ModestFolderViewClass *klass);
  46 static void modest_folder_view_init        (ModestFolderView *obj);
  47 static void modest_folder_view_finalize    (GObject *obj);
  48
  49 static gboolean     update_model             (ModestFolderView *self,
  50                                               ModestTnyAccountStore *account_store);
  51 static gboolean     update_model_empty       (ModestFolderView *self);
  52
  53 static void         on_selection_changed     (GtkTreeSelection *sel, gpointer data);
  54 static void         on_subscription_changed  (TnyStoreAccount *store_account, TnyFolder *folder,
  55                                               ModestFolderView *self);
  56
  57 static gboolean     modest_folder_view_update_model     (ModestFolderView *self,
  58                                                          TnyAccountStore *account_store);
  59 static const gchar *get_account_name_from_folder        (GtkTreeModel *model, GtkTreeIter iter);
  60
  61 static void         modest_folder_view_disconnect_store_account_handlers (GtkTreeView *self);
  62
  63 enum {
  64         FOLDER_SELECTED_SIGNAL,
  65         LAST_SIGNAL
  66 };
  67
  68 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
  69 struct _ModestFolderViewPrivate {
  70
  71         TnyAccountStore     *account_store;
  72         TnyFolder           *cur_folder;
  73         gboolean             view_is_empty;
  74
  75         gulong               sig1, sig2;
  76         gulong              *store_accounts_handlers;
  77         GMutex              *lock;
  78         GtkTreeSelection    *cur_selection;
  79         TnyFolderStoreQuery *query;
  80
  81 };
  82 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o)                               \
  83         (G_TYPE_INSTANCE_GET_PRIVATE((o),                               \
  84                                      MODEST_TYPE_FOLDER_VIEW,           \
  85                                      ModestFolderViewPrivate))
  86 /* globals */
  87 static GObjectClass *parent_class = NULL;
  88
  89 static guint signals[LAST_SIGNAL] = {0};
  90
  91 GType
  92 modest_folder_view_get_type (void)
  93 {
  94         static GType my_type = 0;
  95         if (!my_type) {
  96                 static const GTypeInfo my_info = {
  97                         sizeof(ModestFolderViewClass),
  98                         NULL,           /* base init */
  99                         NULL,           /* base finalize */
 100                         (GClassInitFunc) modest_folder_view_class_init,
 101                         NULL,           /* class finalize */
 102                         NULL,           /* class data */
 103                         sizeof(ModestFolderView),
 104                         1,              /* n_preallocs */
 105                         (GInstanceInitFunc) modest_folder_view_init,
 106                         NULL
 107                 };
 108
 109                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 110                                                   "ModestFolderView",
 111                                                   &my_info, 0);
 112         }
 113         return my_type;
 114 }
 115
 116 static void
 117 modest_folder_view_class_init (ModestFolderViewClass *klass)
 118 {
 119         GObjectClass *gobject_class;
 120         gobject_class = (GObjectClass*) klass;
 121
 122         parent_class            = g_type_class_peek_parent (klass);
 123         gobject_class->finalize = modest_folder_view_finalize;
 124
 125         klass->update_model = modest_folder_view_update_model;
 126
 127         g_type_class_add_private (gobject_class,
 128                                   sizeof(ModestFolderViewPrivate));
 129
 130         signals[FOLDER_SELECTED_SIGNAL] =
 131                 g_signal_new ("folder_selected",
 132                               G_TYPE_FROM_CLASS (gobject_class),
 133                               G_SIGNAL_RUN_FIRST,
 134                               G_STRUCT_OFFSET (ModestFolderViewClass,
 135                                                folder_selected),
 136                               NULL, NULL,
 137                               g_cclosure_marshal_VOID__POINTER,
 138                               G_TYPE_NONE, 1, G_TYPE_POINTER);
 139 }
 140
 141
 142
 143 static void
 144 text_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 145                  GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer data)
 146 {
 147         GObject *rendobj;
 148         gchar *fname;
 149         gint unread;
 150         TnyFolderType type;
 151
 152         gtk_tree_model_get (tree_model, iter,
 153                             TNY_GTK_ACCOUNT_TREE_MODEL_NAME_COLUMN, &fname,
 154                             TNY_GTK_ACCOUNT_TREE_MODEL_TYPE_COLUMN, &type,
 155                             TNY_GTK_ACCOUNT_TREE_MODEL_UNREAD_COLUMN, &unread, -1);
 156         rendobj = G_OBJECT(renderer);
 157
 158         if (unread > 0) {
 159                 gchar *folder_title = g_strdup_printf ("%s (%d)", fname, unread);
 160                 g_object_set (rendobj,"text", folder_title,  "weight", 800, NULL);
 161                 g_free (folder_title);
 162         } else
 163                 g_object_set (rendobj,"text", fname, "weight", 400, NULL);
 164
 165         g_free (fname);
 166 }
 167
 168 /* FIXME: move these to TnyMail */
 169 enum {
 170
 171         TNY_FOLDER_TYPE_NOTES = TNY_FOLDER_TYPE_SENT + 1, /* urgh */
 172         TNY_FOLDER_TYPE_DRAFTS,
 173         TNY_FOLDER_TYPE_CONTACTS,
 174         TNY_FOLDER_TYPE_CALENDAR
 175 };
 176
 177 static TnyFolderType
 178 guess_folder_type (const gchar* name)
 179 {
 180         TnyFolderType type;
 181         gchar *folder;
 182
 183         g_return_val_if_fail (name, TNY_FOLDER_TYPE_NORMAL);
 184
 185         type = TNY_FOLDER_TYPE_NORMAL;
 186         folder = g_utf8_strdown (name, strlen(name));
 187
 188         if (strcmp (folder, "inbox") == 0 ||
 189             strcmp (folder, _("inbox")) == 0)
 190                 type = TNY_FOLDER_TYPE_INBOX;
 191         else if (strcmp (folder, "outbox") == 0 ||
 192                  strcmp (folder, _("outbox")) == 0)
 193                 type = TNY_FOLDER_TYPE_OUTBOX;
 194         else if (g_str_has_prefix(folder, "junk") ||
 195                  g_str_has_prefix(folder, _("junk")))
 196                 type = TNY_FOLDER_TYPE_JUNK;
 197         else if (g_str_has_prefix(folder, "trash") ||
 198                  g_str_has_prefix(folder, _("trash")))
 199                 type = TNY_FOLDER_TYPE_JUNK;
 200         else if (g_str_has_prefix(folder, "sent") ||
 201                  g_str_has_prefix(folder, _("sent")))
 202                 type = TNY_FOLDER_TYPE_SENT;
 203
 204         /* these are not *really* TNY_ types */
 205         else if (g_str_has_prefix(folder, "draft") ||
 206                  g_str_has_prefix(folder, _("draft")))
 207                 type = TNY_FOLDER_TYPE_DRAFTS;
 208         else if (g_str_has_prefix(folder, "notes") ||
 209                  g_str_has_prefix(folder, _("notes")))
 210                 type = TNY_FOLDER_TYPE_NOTES;
 211         else if (g_str_has_prefix(folder, "contacts") ||
 212                  g_str_has_prefix(folder, _("contacts")))
 213                 type = TNY_FOLDER_TYPE_CONTACTS;
 214         else if (g_str_has_prefix(folder, "calendar") ||
 215                  g_str_has_prefix(folder, _("calendar")))
 216                 type = TNY_FOLDER_TYPE_CALENDAR;
 217
 218         g_free (folder);
 219         return type;
 220 }
 221
 222
 223 static void
 224 icon_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 225                  GtkTreeModel *tree_model,  GtkTreeIter *iter, gpointer data)
 226 {
 227         GObject *rendobj;
 228         GdkPixbuf *pixbuf;
 229         TnyFolderType type;
 230         gchar *fname = NULL;
 231         gint unread;
 232
 233         rendobj = G_OBJECT(renderer);
 234         gtk_tree_model_get (tree_model, iter,
 235                             TNY_GTK_ACCOUNT_TREE_MODEL_TYPE_COLUMN, &type,
 236                             TNY_GTK_ACCOUNT_TREE_MODEL_NAME_COLUMN, &fname,
 237                             TNY_GTK_ACCOUNT_TREE_MODEL_UNREAD_COLUMN, &unread, -1);
 238         rendobj = G_OBJECT(renderer);
 239
 240         if (type == TNY_FOLDER_TYPE_NORMAL)
 241                 type = guess_folder_type (fname);
 242
 243         if (fname)
 244                 g_free (fname);
 245
 246         switch (type) {
 247         case TNY_FOLDER_TYPE_INBOX:
 248                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_INBOX);
 249                 break;
 250         case TNY_FOLDER_TYPE_OUTBOX:
 251                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_OUTBOX);
 252                 break;
 253         case TNY_FOLDER_TYPE_JUNK:
 254                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_JUNK);
 255                 break;
 256         case TNY_FOLDER_TYPE_SENT:
 257                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_SENT);
 258                 break;
 259         case TNY_FOLDER_TYPE_DRAFTS:
 260                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_DRAFTS);
 261                 break;
 262         case TNY_FOLDER_TYPE_NOTES:
 263                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_NOTES);
 264                 break;
 265         case TNY_FOLDER_TYPE_CALENDAR:
 266                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_CALENDAR);
 267                 break;
 268         case TNY_FOLDER_TYPE_CONTACTS:
 269                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_CONTACTS);
 270                 break;
 271         case TNY_FOLDER_TYPE_NORMAL:
 272         default:
 273                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_NORMAL);
 274                 break;
 275         }
 276
 277         g_object_set (rendobj,
 278                       "pixbuf-expander-open",
 279                       modest_icon_factory_get_icon (MODEST_FOLDER_ICON_OPEN),
 280                       "pixbuf-expander-closed",
 281                       modest_icon_factory_get_icon (MODEST_FOLDER_ICON_CLOSED),
 282                       "pixbuf", pixbuf,
 283                       NULL);
 284 }
 285
 286 static void
 287 modest_folder_view_init (ModestFolderView *obj)
 288 {
 289         ModestFolderViewPrivate *priv;
 290         GtkTreeViewColumn *column;
 291         GtkCellRenderer *renderer;
 292         GtkTreeSelection *sel;
 293
 294         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 295
 296         priv->view_is_empty  = TRUE;
 297         priv->account_store  = NULL;
 298         priv->cur_folder     = NULL;
 299         priv->query          = NULL;
 300         priv->lock           = g_mutex_new ();
 301
 302         column = gtk_tree_view_column_new ();
 303         gtk_tree_view_column_set_title (column,
 304                                         _("All Mail Folders"));
 305
 306         gtk_tree_view_append_column (GTK_TREE_VIEW(obj),
 307                                      column);
 308
 309         renderer = gtk_cell_renderer_pixbuf_new();
 310         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 311         gtk_tree_view_column_set_cell_data_func(column, renderer,
 312                                                 icon_cell_data, NULL, NULL);
 313
 314         renderer = gtk_cell_renderer_text_new();
 315         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 316         gtk_tree_view_column_set_cell_data_func(column, renderer,
 317                                                 text_cell_data, NULL, NULL);
 318
 319         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 320         gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
 321
 322         gtk_tree_view_column_set_spacing (column, 2);
 323         gtk_tree_view_column_set_resizable (column, TRUE);
 324         gtk_tree_view_column_set_fixed_width (column, TRUE);
 325         gtk_tree_view_set_headers_visible   (GTK_TREE_VIEW(obj), TRUE);
 326         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), FALSE);
 327         gtk_tree_view_set_enable_search     (GTK_TREE_VIEW(obj), FALSE);
 328
 329 }
 330
 331 static void
 332 modest_folder_view_disconnect_store_account_handlers (GtkTreeView *self)
 333 {
 334         TnyIterator *iter;
 335         ModestFolderViewPrivate *priv;
 336         GtkTreeModel *model;
 337         GtkTreeModelSort *sortable;
 338         gint i = 0;
 339
 340         sortable = GTK_TREE_MODEL_SORT (gtk_tree_view_get_model (self));
 341         if (!sortable) return;
 342         model = gtk_tree_model_sort_get_model (sortable);
 343         if (!model) return;
 344
 345         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 346         iter = tny_list_create_iterator (TNY_LIST (model));
 347         do {
 348                 g_signal_handler_disconnect (G_OBJECT (tny_iterator_get_current (iter)),
 349                                              priv->store_accounts_handlers [i++]);
 350                 tny_iterator_next (iter);
 351         } while (!tny_iterator_is_done (iter));
 352 }
 353
 354
 355 static void
 356 modest_folder_view_finalize (GObject *obj)
 357 {
 358         ModestFolderViewPrivate *priv;
 359         GtkTreeSelection    *sel;
 360
 361         g_return_if_fail (obj);
 362
 363         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 364         if (priv->account_store) {
 365                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 366                                              priv->sig1);
 367                 g_object_unref (G_OBJECT(priv->account_store));
 368                 priv->account_store = NULL;
 369         }
 370
 371         if (priv->lock) {
 372                 g_mutex_free (priv->lock);
 373                 priv->lock = NULL;
 374         }
 375
 376         if (priv->store_accounts_handlers) {
 377                 modest_folder_view_disconnect_store_account_handlers (GTK_TREE_VIEW (obj));
 378                 g_free (priv->store_accounts_handlers);
 379                 priv->store_accounts_handlers = NULL;
 380         }
 381
 382         if (priv->query) {
 383                 g_object_unref (G_OBJECT (priv->query));
 384                 priv->query = NULL;
 385         }
 386
 387         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 388         if (sel)
 389                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig2);
 390
 391         G_OBJECT_CLASS(parent_class)->finalize (obj);
 392 }
 393
 394
 395 static void
 396 on_account_update (TnyAccountStore *account_store, const gchar *account,
 397                    gpointer user_data)
 398 {
 399         update_model_empty (MODEST_FOLDER_VIEW(user_data));
 400
 401         if (!update_model (MODEST_FOLDER_VIEW(user_data),
 402                            MODEST_TNY_ACCOUNT_STORE(account_store)))
 403                 g_printerr ("modest: failed to update model for changes in '%s'",
 404                             account);
 405 }
 406
 407
 408 GtkWidget*
 409 modest_folder_view_new (ModestTnyAccountStore *account_store,
 410                         TnyFolderStoreQuery *query)
 411 {
 412         GObject *self;
 413         ModestFolderViewPrivate *priv;
 414         GtkTreeSelection *sel;
 415
 416         g_return_val_if_fail (account_store, NULL);
 417
 418         self = G_OBJECT(g_object_new(MODEST_TYPE_FOLDER_VIEW, NULL));
 419         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 420
 421         priv->account_store = g_object_ref (G_OBJECT (account_store));
 422         if (query) priv->query = g_object_ref (G_OBJECT (query));
 423
 424         if (!update_model (MODEST_FOLDER_VIEW(self),
 425                            MODEST_TNY_ACCOUNT_STORE(account_store)))
 426                 g_printerr ("modest: failed to update model");
 427
 428         priv->sig1 = g_signal_connect (G_OBJECT(account_store), "account_update",
 429                                        G_CALLBACK (on_account_update), self);
 430
 431         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 432         priv->sig2 = g_signal_connect (sel, "changed",
 433                                        G_CALLBACK(on_selection_changed), self);
 434
 435         return GTK_WIDGET(self);
 436 }
 437
 438
 439 const gchar *
 440 modest_folder_view_get_selected_account (ModestFolderView *self)
 441 {
 442         GtkTreeModel *model;
 443         GtkTreeIter iter;
 444         ModestFolderViewPrivate *priv;
 445
 446         g_return_val_if_fail (self, NULL);
 447         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 448
 449         gtk_tree_selection_get_selected (priv->cur_selection, &model, &iter);
 450
 451         return get_account_name_from_folder (model, iter);
 452 }
 453
 454 static gboolean
 455 update_model_empty (ModestFolderView *self)
 456 {
 457         GtkTreeIter  iter;
 458         GtkTreeStore *store;
 459         ModestFolderViewPrivate *priv;
 460
 461         g_return_val_if_fail (self, FALSE);
 462         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 463
 464         /* Disconnect old handlers */
 465         if (priv->store_accounts_handlers) {
 466                 modest_folder_view_disconnect_store_account_handlers (GTK_TREE_VIEW (self));
 467                 g_free (priv->store_accounts_handlers);
 468                 priv->store_accounts_handlers = NULL;
 469         }
 470
 471         /* Create the new model */
 472         store = gtk_tree_store_new (1, G_TYPE_STRING);
 473         gtk_tree_store_append (store, &iter, NULL);
 474
 475         gtk_tree_store_set (store, &iter, 0,
 476                             _("(empty)"), -1);
 477
 478         gtk_tree_view_set_model (GTK_TREE_VIEW(self),
 479                                  GTK_TREE_MODEL(store));
 480         g_object_unref (store);
 481
 482         priv->view_is_empty = TRUE;
 483
 484         g_signal_emit (G_OBJECT(self), signals[FOLDER_SELECTED_SIGNAL], 0,
 485                        NULL);
 486         return TRUE;
 487 }
 488
 489 static gboolean
 490 update_model (ModestFolderView *self, ModestTnyAccountStore *account_store)
 491 {
 492         ModestFolderViewPrivate *priv;
 493
 494         TnyList          *account_list;
 495         GtkTreeModel     *model, *sortable;
 496
 497         g_return_val_if_fail (account_store, FALSE);
 498         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 499
 500         model        = GTK_TREE_MODEL(tny_gtk_account_tree_model_new (TRUE, priv->query)); /* async */
 501         account_list = TNY_LIST(model);
 502
 503         update_model_empty (self); /* cleanup */
 504         priv->view_is_empty = TRUE;
 505
 506         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
 507                                         account_list,
 508                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
 509
 510         if (account_list) {
 511                 TnyIterator *iter;
 512                 gint i = 0, size;
 513
 514                 sortable = gtk_tree_model_sort_new_with_model (model);
 515                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (sortable),
 516                                                       TNY_GTK_ACCOUNT_TREE_MODEL_NAME_COLUMN,
 517                                                       GTK_SORT_ASCENDING);
 518
 519                 gtk_tree_view_set_model (GTK_TREE_VIEW(self), sortable);
 520
 521                 /* Listen to subscription changes */
 522                 size = tny_list_get_length (TNY_LIST (account_list)) * sizeof (gulong);
 523                 priv->store_accounts_handlers = g_malloc0 (size);
 524                 iter = tny_list_create_iterator (account_list);
 525
 526                 do {
 527                         priv->store_accounts_handlers [i++] =
 528                                 g_signal_connect (G_OBJECT (tny_iterator_get_current (iter)),
 529                                                   "subscription_changed",
 530                                                   G_CALLBACK (on_subscription_changed),
 531                                                   self);
 532                         tny_iterator_next (iter);
 533                 } while (!tny_iterator_is_done (iter));
 534
 535                 priv->view_is_empty = FALSE;
 536                 g_object_unref (iter);
 537                 g_object_unref (model);
 538         }
 539
 540         return TRUE;
 541 }
 542
 543
 544 static void
 545 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 546 {
 547         GtkTreeModel            *model;
 548         TnyFolder               *folder = NULL;
 549         GtkTreeIter             iter;
 550         ModestFolderView        *tree_view;
 551         ModestFolderViewPrivate *priv;
 552         gint type;
 553         const gchar *account_name;
 554
 555         g_return_if_fail (sel);
 556         g_return_if_fail (user_data);
 557
 558         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
 559         priv->cur_selection = sel;
 560
 561         /* is_empty means that there is only the 'empty' item */
 562         if (priv->view_is_empty)
 563                 return;
 564
 565         /* folder was _un_selected if true */
 566         if (!gtk_tree_selection_get_selected (sel, &model, &iter)) {
 567                 priv->cur_folder = NULL; /* FIXME: need this? */
 568                 return;
 569         }
 570
 571         tree_view = MODEST_FOLDER_VIEW (user_data);
 572
 573         gtk_tree_model_get (model, &iter,
 574                             TNY_GTK_ACCOUNT_TREE_MODEL_TYPE_COLUMN, &type,
 575                             TNY_GTK_ACCOUNT_TREE_MODEL_INSTANCE_COLUMN, &folder,
 576                             -1);
 577
 578         if (type == TNY_FOLDER_TYPE_ROOT) {
 579                 account_name = tny_account_get_name (TNY_ACCOUNT (folder));
 580         } else {
 581                 if (priv->cur_folder)
 582                         tny_folder_expunge (priv->cur_folder);
 583                 priv->cur_folder = folder;
 584
 585                 account_name = get_account_name_from_folder (model, iter);
 586
 587                 g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTED_SIGNAL], 0,
 588                                folder);
 589         }
 590 }
 591
 592 static void
 593 on_subscription_changed  (TnyStoreAccount *store_account,
 594                           TnyFolder *folder,
 595                           ModestFolderView *self)
 596 {
 597         /* TODO: probably we won't need a full reload, just the store
 598            account or even the parent of the folder */
 599
 600         ModestFolderViewPrivate *priv;
 601
 602         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 603         update_model (self, MODEST_TNY_ACCOUNT_STORE (priv->account_store));
 604 }
 605
 606
 607 static gboolean
 608 modest_folder_view_update_model (ModestFolderView *self, TnyAccountStore *account_store)
 609 {
 610         gboolean retval;
 611
 612         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (self), FALSE);
 613         retval = update_model (self, MODEST_TNY_ACCOUNT_STORE(account_store)); /* ugly */
 614
 615         g_signal_emit (G_OBJECT(self), signals[FOLDER_SELECTED_SIGNAL],
 616                        0, NULL);
 617
 618         return retval;
 619 }
 620
 621 static const gchar *
 622 get_account_name_from_folder (GtkTreeModel *model, GtkTreeIter iter) {
 623         GtkTreePath *path;
 624         GtkTreeIter new_iter;
 625         TnyFolder *account_folder;
 626         gint depth, i;
 627
 628         path = gtk_tree_model_get_path (model, &iter);
 629         depth = gtk_tree_path_get_depth (path);
 630
 631         for (i=1; i<= depth - 1; i++)
 632                 gtk_tree_path_up (path);
 633
 634         gtk_tree_model_get_iter (model, &new_iter, path);
 635         gtk_tree_model_get (model, &new_iter,
 636                             TNY_GTK_ACCOUNT_TREE_MODEL_INSTANCE_COLUMN, &account_folder,
 637                             -1);
 638         return tny_account_get_name (TNY_ACCOUNT (account_folder));
 639 }