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-list-model.h>
  34 #include <tny-gtk-folder-store-tree-model.h>
  35 #include <tny-gtk-header-list-model.h>
  36 #include <tny-account-store.h>
  37 #include <tny-account.h>
  38 #include <tny-folder.h>
  39 #include <modest-marshal.h>
  40 #include <modest-icon-names.h>
  41 #include <modest-icon-factory.h>
  42 #include <modest-tny-account-store.h>
  43
  44 #include "modest-folder-view.h"
  45
  46 /* 'private'/'protected' functions */
  47 static void modest_folder_view_class_init  (ModestFolderViewClass *klass);
  48 static void modest_folder_view_init        (ModestFolderView *obj);
  49 static void modest_folder_view_finalize    (GObject *obj);
  50
  51 static gboolean     update_model             (ModestFolderView *self,
  52                                               ModestTnyAccountStore *account_store);
  53 static gboolean     update_model_empty       (ModestFolderView *self);
  54
  55 static void         on_selection_changed     (GtkTreeSelection *sel, gpointer data);
  56 static void         on_subscription_changed  (TnyStoreAccount *store_account, TnyFolder *folder,
  57                                               ModestFolderView *self);
  58
  59 static gboolean     modest_folder_view_update_model     (ModestFolderView *self,
  60                                                          TnyAccountStore *account_store);
  61
  62 static void         modest_folder_view_disconnect_store_account_handlers (GtkTreeView *self);
  63
  64 enum {
  65         FOLDER_SELECTION_CHANGED_SIGNAL,
  66         LAST_SIGNAL
  67 };
  68
  69 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
  70 struct _ModestFolderViewPrivate {
  71
  72         TnyAccountStore     *account_store;
  73         TnyFolder           *cur_folder;
  74         gboolean             view_is_empty;
  75
  76         gulong               sig1, sig2;
  77         gulong              *store_accounts_handlers;
  78         GMutex              *lock;
  79         GtkTreeSelection    *cur_selection;
  80         TnyFolderStoreQuery *query;
  81
  82 };
  83 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o)                               \
  84         (G_TYPE_INSTANCE_GET_PRIVATE((o),                               \
  85                                      MODEST_TYPE_FOLDER_VIEW,           \
  86                                      ModestFolderViewPrivate))
  87 /* globals */
  88 static GObjectClass *parent_class = NULL;
  89
  90 static guint signals[LAST_SIGNAL] = {0};
  91
  92 GType
  93 modest_folder_view_get_type (void)
  94 {
  95         static GType my_type = 0;
  96         if (!my_type) {
  97                 static const GTypeInfo my_info = {
  98                         sizeof(ModestFolderViewClass),
  99                         NULL,           /* base init */
 100                         NULL,           /* base finalize */
 101                         (GClassInitFunc) modest_folder_view_class_init,
 102                         NULL,           /* class finalize */
 103                         NULL,           /* class data */
 104                         sizeof(ModestFolderView),
 105                         1,              /* n_preallocs */
 106                         (GInstanceInitFunc) modest_folder_view_init,
 107                         NULL
 108                 };
 109
 110                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 111                                                   "ModestFolderView",
 112                                                   &my_info, 0);
 113         }
 114         return my_type;
 115 }
 116
 117 static void
 118 modest_folder_view_class_init (ModestFolderViewClass *klass)
 119 {
 120         GObjectClass *gobject_class;
 121         gobject_class = (GObjectClass*) klass;
 122
 123         parent_class            = g_type_class_peek_parent (klass);
 124         gobject_class->finalize = modest_folder_view_finalize;
 125
 126         klass->update_model = modest_folder_view_update_model;
 127
 128         g_type_class_add_private (gobject_class,
 129                                   sizeof(ModestFolderViewPrivate));
 130
 131         signals[FOLDER_SELECTION_CHANGED_SIGNAL] =
 132                 g_signal_new ("folder_selection_changed",
 133                               G_TYPE_FROM_CLASS (gobject_class),
 134                               G_SIGNAL_RUN_FIRST,
 135                               G_STRUCT_OFFSET (ModestFolderViewClass,
 136                                                folder_selection_changed),
 137                               NULL, NULL,
 138                               modest_marshal_VOID__POINTER_BOOLEAN,
 139                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
 140 }
 141
 142
 143
 144 static void
 145 text_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 146                  GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer data)
 147 {
 148         GObject *rendobj;
 149         gchar *fname;
 150         gint unread;
 151         TnyFolderType type;
 152
 153         gtk_tree_model_get (tree_model, iter,
 154                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
 155                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 156                             TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread, -1);
 157         rendobj = G_OBJECT(renderer);
 158
 159         if (unread > 0) {
 160                 gchar *folder_title = g_strdup_printf ("%s (%d)", fname, unread);
 161                 g_object_set (rendobj,"text", folder_title,  "weight", 800, NULL);
 162                 g_free (folder_title);
 163         } else
 164                 g_object_set (rendobj,"text", fname, "weight", 400, NULL);
 165
 166         g_free (fname);
 167 }
 168
 169
 170 /* guess the folder type based on the name, or -1 in case of error */
 171 static TnyFolderType
 172 guess_type_from_name (const gchar* name)
 173 {
 174         gint  type;
 175         gchar *folder;
 176
 177         if (!name)
 178                 return -1;
 179
 180         type = TNY_FOLDER_TYPE_NORMAL;
 181         folder = g_utf8_strdown (name, strlen(name));
 182
 183         if (strcmp (folder, "inbox") == 0 ||
 184             strcmp (folder, _("inbox")) == 0)
 185                 type = TNY_FOLDER_TYPE_INBOX;
 186         else if (strcmp (folder, "outbox") == 0 ||
 187                  strcmp (folder, _("outbox")) == 0)
 188                 type = TNY_FOLDER_TYPE_OUTBOX;
 189         else if (g_str_has_prefix(folder, "junk") ||
 190                  g_str_has_prefix(folder, _("junk")))
 191                 type = TNY_FOLDER_TYPE_JUNK;
 192         else if (g_str_has_prefix(folder, "trash") ||
 193                  g_str_has_prefix(folder, _("trash")))
 194                 type = TNY_FOLDER_TYPE_JUNK;
 195         else if (g_str_has_prefix(folder, "sent") ||
 196                  g_str_has_prefix(folder, _("sent")))
 197                 type = TNY_FOLDER_TYPE_SENT;
 198
 199         /* these are not *really* TNY_ types */
 200         else if (g_str_has_prefix(folder, "draft") ||
 201                  g_str_has_prefix(folder, _("draft")))
 202                 type = TNY_FOLDER_TYPE_DRAFTS;
 203         else if (g_str_has_prefix(folder, "notes") ||
 204                  g_str_has_prefix(folder, _("notes")))
 205                 type = TNY_FOLDER_TYPE_NOTES;
 206         else if (g_str_has_prefix(folder, "contacts") ||
 207                  g_str_has_prefix(folder, _("contacts")))
 208                 type = TNY_FOLDER_TYPE_CONTACTS;
 209         else if (g_str_has_prefix(folder, "calendar") ||
 210                  g_str_has_prefix(folder, _("calendar")))
 211                 type = TNY_FOLDER_TYPE_CALENDAR;
 212
 213         g_free (folder);
 214         return type;
 215 }
 216
 217
 218
 219 TnyFolderType
 220 modest_folder_view_guess_folder_type (TnyFolder *folder)
 221 {
 222         TnyFolderType type;
 223
 224         g_return_val_if_fail (folder, -1);
 225
 226         type = tny_folder_get_folder_type (folder);
 227         if (type == TNY_FOLDER_TYPE_NORMAL)
 228                 type = guess_type_from_name (tny_folder_get_name (folder));
 229
 230         return type;
 231 }
 232
 233
 234 static void
 235 icon_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 236                  GtkTreeModel *tree_model,  GtkTreeIter *iter, gpointer data)
 237 {
 238         GObject *rendobj;
 239         GdkPixbuf *pixbuf;
 240         TnyFolderType type;
 241         gchar *fname = NULL;
 242         gint unread;
 243
 244         rendobj = G_OBJECT(renderer);
 245         gtk_tree_model_get (tree_model, iter,
 246                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 247                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
 248                             TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread, -1);
 249         rendobj = G_OBJECT(renderer);
 250
 251         if (type == TNY_FOLDER_TYPE_NORMAL)
 252                 type = guess_type_from_name (fname);
 253
 254         if (fname)
 255                 g_free (fname);
 256
 257         switch (type) {
 258         case TNY_FOLDER_TYPE_ROOT:
 259                 pixbuf = modest_icon_factory_get_icon (MODEST_FOLDER_ICON_ACCOUNT);
 260                 break;
 261         case TNY_FOLDER_TYPE_INBOX:
 262                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_INBOX);
 263                 break;
 264         case TNY_FOLDER_TYPE_OUTBOX:
 265                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_OUTBOX);
 266                 break;
 267         case TNY_FOLDER_TYPE_JUNK:
 268                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_JUNK);
 269                 break;
 270         case TNY_FOLDER_TYPE_SENT:
 271                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_SENT);
 272                 break;
 273         case TNY_FOLDER_TYPE_DRAFTS:
 274                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_DRAFTS);
 275                 break;
 276         case TNY_FOLDER_TYPE_NOTES:
 277                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_NOTES);
 278                 break;
 279         case TNY_FOLDER_TYPE_CALENDAR:
 280                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_CALENDAR);
 281                 break;
 282         case TNY_FOLDER_TYPE_CONTACTS:
 283                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_CONTACTS);
 284                 break;
 285         case TNY_FOLDER_TYPE_NORMAL:
 286         default:
 287                 pixbuf = modest_icon_factory_get_small_icon (MODEST_FOLDER_ICON_NORMAL);
 288                 break;
 289         }
 290
 291         g_object_set (rendobj,
 292                       "pixbuf-expander-open",
 293                       modest_icon_factory_get_icon (MODEST_FOLDER_ICON_OPEN),
 294                       "pixbuf-expander-closed",
 295                       modest_icon_factory_get_icon (MODEST_FOLDER_ICON_CLOSED),
 296                       "pixbuf", pixbuf,
 297                       NULL);
 298 }
 299
 300 static void
 301 modest_folder_view_init (ModestFolderView *obj)
 302 {
 303         ModestFolderViewPrivate *priv;
 304         GtkTreeViewColumn *column;
 305         GtkCellRenderer *renderer;
 306         GtkTreeSelection *sel;
 307
 308         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 309
 310         priv->view_is_empty  = TRUE;
 311         priv->account_store  = NULL;
 312         priv->cur_folder     = NULL;
 313         priv->query          = NULL;
 314         priv->lock           = g_mutex_new ();
 315
 316         column = gtk_tree_view_column_new ();
 317         gtk_tree_view_append_column (GTK_TREE_VIEW(obj),column);
 318
 319         renderer = gtk_cell_renderer_pixbuf_new();
 320         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 321         gtk_tree_view_column_set_cell_data_func(column, renderer,
 322                                                 icon_cell_data, NULL, NULL);
 323
 324         renderer = gtk_cell_renderer_text_new();
 325         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 326         gtk_tree_view_column_set_cell_data_func(column, renderer,
 327                                                 text_cell_data, NULL, NULL);
 328
 329         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 330         gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
 331
 332         gtk_tree_view_column_set_spacing (column, 2);
 333         gtk_tree_view_column_set_resizable (column, TRUE);
 334         gtk_tree_view_column_set_fixed_width (column, TRUE);
 335         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), FALSE);
 336         gtk_tree_view_set_enable_search     (GTK_TREE_VIEW(obj), FALSE);
 337
 338 }
 339
 340 static void
 341 modest_folder_view_disconnect_store_account_handlers (GtkTreeView *self)
 342 {
 343         TnyIterator *iter;
 344         ModestFolderViewPrivate *priv;
 345         GtkTreeModel *model;
 346         GtkTreeModelSort *sortable;
 347         gint i = 0;
 348
 349         sortable = GTK_TREE_MODEL_SORT (gtk_tree_view_get_model (self));
 350         if (!sortable)
 351                 return;
 352
 353         model = gtk_tree_model_sort_get_model (sortable);
 354         if (!model)
 355                 return;
 356
 357         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 358         iter = tny_list_create_iterator (TNY_LIST (model));
 359         while (!tny_iterator_is_done (iter)) {
 360                 g_signal_handler_disconnect (G_OBJECT (tny_iterator_get_current (iter)),
 361                                              priv->store_accounts_handlers [i++]);
 362                 tny_iterator_next (iter);
 363         }
 364         g_object_unref (G_OBJECT (iter));
 365 }
 366
 367
 368 static void
 369 modest_folder_view_finalize (GObject *obj)
 370 {
 371         ModestFolderViewPrivate *priv;
 372         GtkTreeSelection    *sel;
 373
 374         g_return_if_fail (obj);
 375
 376         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 377         if (priv->account_store) {
 378                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 379                                              priv->sig1);
 380                 g_object_unref (G_OBJECT(priv->account_store));
 381                 priv->account_store = NULL;
 382         }
 383
 384         if (priv->lock) {
 385                 g_mutex_free (priv->lock);
 386                 priv->lock = NULL;
 387         }
 388
 389         if (priv->store_accounts_handlers) {
 390                 modest_folder_view_disconnect_store_account_handlers (GTK_TREE_VIEW (obj));
 391                 g_free (priv->store_accounts_handlers);
 392                 priv->store_accounts_handlers = NULL;
 393         }
 394
 395         if (priv->query) {
 396                 g_object_unref (G_OBJECT (priv->query));
 397                 priv->query = NULL;
 398         }
 399
 400         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 401         if (sel)
 402                 g_signal_handler_disconnect (G_OBJECT(sel), priv->sig2);
 403
 404         G_OBJECT_CLASS(parent_class)->finalize (obj);
 405 }
 406
 407
 408 static void
 409 on_account_update (TnyAccountStore *account_store, const gchar *account,
 410                    gpointer user_data)
 411 {
 412         update_model_empty (MODEST_FOLDER_VIEW(user_data));
 413
 414         if (!update_model (MODEST_FOLDER_VIEW(user_data),
 415                            MODEST_TNY_ACCOUNT_STORE(account_store)))
 416                 g_printerr ("modest: failed to update model for changes in '%s'",
 417                             account);
 418 }
 419
 420 void
 421 modest_folder_view_set_title (ModestFolderView *self, const gchar *title)
 422 {
 423         GtkTreeViewColumn *col;
 424
 425         g_return_if_fail (self);
 426
 427         col = gtk_tree_view_get_column (GTK_TREE_VIEW(self), 0);
 428         if (!col) {
 429                 g_printerr ("modest: failed get column for title\n");
 430                 return;
 431         }
 432
 433         gtk_tree_view_column_set_title (col, title);
 434         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
 435                                            title != NULL);
 436 }
 437
 438 GtkWidget*
 439 modest_folder_view_new (ModestTnyAccountStore *account_store,
 440                         TnyFolderStoreQuery *query)
 441 {
 442         GObject *self;
 443         ModestFolderViewPrivate *priv;
 444         GtkTreeSelection *sel;
 445
 446         g_return_val_if_fail (account_store, NULL);
 447
 448         self = G_OBJECT(g_object_new(MODEST_TYPE_FOLDER_VIEW, NULL));
 449         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 450
 451         priv->account_store = g_object_ref (G_OBJECT (account_store));
 452         if (query)
 453                 priv->query = g_object_ref (G_OBJECT (query));
 454
 455         if (!update_model (MODEST_FOLDER_VIEW(self),
 456                            MODEST_TNY_ACCOUNT_STORE(account_store)))
 457                 g_printerr ("modest: failed to update model\n");
 458
 459         priv->sig1 = g_signal_connect (G_OBJECT(account_store), "account_update",
 460                                        G_CALLBACK (on_account_update), self);
 461
 462         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 463         priv->sig2 = g_signal_connect (sel, "changed",
 464                                        G_CALLBACK(on_selection_changed), self);
 465
 466         return GTK_WIDGET(self);
 467 }
 468
 469
 470 static gboolean
 471 update_model_empty (ModestFolderView *self)
 472 {
 473         GtkTreeIter  iter;
 474         GtkTreeStore *store;
 475         ModestFolderViewPrivate *priv;
 476
 477         g_return_val_if_fail (self, FALSE);
 478         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 479
 480         /* Disconnect old handlers */
 481         if (priv->store_accounts_handlers) {
 482                 modest_folder_view_disconnect_store_account_handlers (GTK_TREE_VIEW (self));
 483                 g_free (priv->store_accounts_handlers);
 484                 priv->store_accounts_handlers = NULL;
 485         }
 486
 487         /* Create the new model */
 488         store = gtk_tree_store_new (1, G_TYPE_STRING);
 489         gtk_tree_store_append (store, &iter, NULL);
 490
 491         gtk_tree_store_set (store, &iter, 0, _("(empty)"), -1);
 492
 493         gtk_tree_view_set_model (GTK_TREE_VIEW(self),
 494                                  GTK_TREE_MODEL(store));
 495         g_object_unref (store);
 496
 497         priv->view_is_empty = TRUE;
 498
 499         g_signal_emit (G_OBJECT(self), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 500                        NULL, TRUE);
 501         return TRUE;
 502 }
 503
 504
 505 static void
 506 update_store_account_handlers (ModestFolderView *self, TnyList *account_list)
 507 {
 508         ModestFolderViewPrivate *priv;
 509         TnyIterator *iter;
 510         guint len;
 511
 512         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 513
 514         /* Listen to subscription changes */
 515         len = tny_list_get_length (TNY_LIST (account_list));
 516
 517         g_assert (priv->store_accounts_handlers == NULL); /* don't leak */
 518         priv->store_accounts_handlers = g_malloc0 (sizeof (guint) * len);
 519         iter = tny_list_create_iterator (account_list);
 520
 521         if (!tny_iterator_is_done (iter)) {
 522                 gint i = 0;
 523
 524                 priv->view_is_empty = FALSE;
 525                 do  {
 526
 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         g_object_unref (G_OBJECT (iter));
 536 }
 537
 538
 539
 540 static gboolean
 541 update_model (ModestFolderView *self, ModestTnyAccountStore *account_store)
 542 {
 543         ModestFolderViewPrivate *priv;
 544
 545         TnyList          *account_list;
 546         GtkTreeModel     *model, *sortable;
 547
 548         g_return_val_if_fail (account_store, FALSE);
 549         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 550
 551         model        = tny_gtk_folder_store_tree_model_new (TRUE, NULL);
 552         account_list = TNY_LIST(model);
 553
 554         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
 555                                         account_list,
 556                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
 557
 558         if (account_list) {
 559                 sortable = gtk_tree_model_sort_new_with_model (model);
 560                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (sortable),
 561                                                       TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 562                                                       GTK_SORT_ASCENDING);
 563                 gtk_tree_view_set_model (GTK_TREE_VIEW(self), sortable);
 564
 565                 update_store_account_handlers (self, account_list);
 566         }
 567
 568         g_object_unref (model);
 569         return TRUE;
 570 }
 571
 572
 573 static void
 574 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 575 {
 576         GtkTreeModel            *model;
 577         TnyFolder               *folder = NULL;
 578         GtkTreeIter             iter;
 579         ModestFolderView        *tree_view;
 580         ModestFolderViewPrivate *priv;
 581         gint                    type;
 582
 583         g_return_if_fail (sel);
 584         g_return_if_fail (user_data);
 585
 586         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
 587         priv->cur_selection = sel;
 588
 589         /* is_empty means that there is only the 'empty' item */
 590         if (priv->view_is_empty)
 591                 return;
 592
 593         /* folder was _un_selected if true */
 594         if (!gtk_tree_selection_get_selected (sel, &model, &iter)) {
 595                 priv->cur_folder = NULL; /* FIXME: need this? */
 596                return;
 597        }
 598
 599         tree_view = MODEST_FOLDER_VIEW (user_data);
 600         gtk_tree_model_get (model, &iter,
 601                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 602                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
 603                             -1);
 604
 605         if (type == TNY_FOLDER_TYPE_ROOT)
 606                 return;
 607
 608         /* emit 2 signals: one for the unselection of the old one,
 609          * and one for the selection of the new on */
 610         g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 611                        priv->cur_folder, FALSE);
 612         g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 613                        folder, TRUE);
 614
 615         if (priv->cur_folder)
 616                 tny_folder_expunge (priv->cur_folder, NULL); /* FIXME */
 617         priv->cur_folder = folder;
 618
 619 }
 620
 621 static void
 622 on_subscription_changed  (TnyStoreAccount *store_account,
 623                           TnyFolder *folder,
 624                           ModestFolderView *self)
 625 {
 626         /* TODO: probably we won't need a full reload, just the store
 627            account or even the parent of the folder */
 628
 629         ModestFolderViewPrivate *priv;
 630
 631         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 632         update_model (self, MODEST_TNY_ACCOUNT_STORE (priv->account_store));
 633 }
 634
 635
 636 static gboolean
 637 modest_folder_view_update_model (ModestFolderView *self, TnyAccountStore *account_store)
 638 {
 639         gboolean retval;
 640
 641         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (self), FALSE);
 642         retval = update_model (self, MODEST_TNY_ACCOUNT_STORE(account_store)); /* ugly */
 643
 644         g_signal_emit (G_OBJECT(self), signals[FOLDER_SELECTION_CHANGED_SIGNAL],
 645                        0, NULL, TRUE);
 646
 647         return retval;
 648 }