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-account-store-view.h>
  34 #include <tny-gtk-account-list-model.h>
  35 #include <tny-gtk-folder-store-tree-model.h>
  36 #include <tny-gtk-header-list-model.h>
  37 #include <tny-folder.h>
  38 #include <tny-account-store.h>
  39 #include <tny-account.h>
  40 #include <tny-folder.h>
  41 #include <tny-camel-folder.h>
  42 #include <tny-simple-list.h>
  43 #include <modest-tny-folder.h>
  44 #include <modest-marshal.h>
  45 #include <modest-icon-names.h>
  46 #include <modest-tny-account-store.h>
  47 #include <modest-text-utils.h>
  48 #include <modest-runtime.h>
  49 #include "modest-folder-view.h"
  50 #include <modest-dnd.h>
  51 #include <modest-platform.h>
  52
  53 /* 'private'/'protected' functions */
  54 static void modest_folder_view_class_init  (ModestFolderViewClass *klass);
  55 static void modest_folder_view_init        (ModestFolderView *obj);
  56 static void modest_folder_view_finalize    (GObject *obj);
  57
  58 static void         tny_account_store_view_init (gpointer g,
  59                                                  gpointer iface_data);
  60
  61 static void         modest_folder_view_set_account_store (TnyAccountStoreView *self,
  62                                                           TnyAccountStore     *account_store);
  63
  64 static gboolean     update_model           (ModestFolderView *self,
  65                                             ModestTnyAccountStore *account_store);
  66
  67 static void         on_selection_changed   (GtkTreeSelection *sel, gpointer data);
  68
  69 static void         on_account_update      (TnyAccountStore *account_store,
  70                                             const gchar *account,
  71                                             gpointer user_data);
  72
  73 static void         on_accounts_reloaded   (TnyAccountStore *store,
  74                                             gpointer user_data);
  75
  76 static gint         cmp_rows               (GtkTreeModel *tree_model,
  77                                             GtkTreeIter *iter1,
  78                                             GtkTreeIter *iter2,
  79                                             gpointer user_data);
  80
  81 /* DnD functions */
  82 static void         on_drag_data_get       (GtkWidget *widget,
  83                                             GdkDragContext *context,
  84                                             GtkSelectionData *selection_data,
  85                                             guint info,
  86                                             guint time,
  87                                             gpointer data);
  88
  89 static void         on_drag_data_received  (GtkWidget *widget,
  90                                             GdkDragContext *context,
  91                                             gint x,
  92                                             gint y,
  93                                             GtkSelectionData *selection_data,
  94                                             guint info,
  95                                             guint time,
  96                                             gpointer data);
  97
  98 static gboolean     on_drag_motion         (GtkWidget      *widget,
  99                                             GdkDragContext *context,
 100                                             gint            x,
 101                                             gint            y,
 102                                             guint           time,
 103                                             gpointer        user_data);
 104
 105 static gint         expand_row_timeout     (gpointer data);
 106
 107 static void         setup_drag_and_drop    (GtkTreeView *self);
 108
 109 static gboolean     on_key_pressed         (GtkWidget *self,
 110                                             GdkEventKey *event,
 111                                             gpointer user_data);
 112
 113 static void         on_configuration_key_changed         (ModestConf* conf,
 114                                                           const gchar *key,
 115                                                           ModestConfEvent event,
 116                                                           ModestFolderView *self);
 117
 118 enum {
 119         FOLDER_SELECTION_CHANGED_SIGNAL,
 120         LAST_SIGNAL
 121 };
 122
 123 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
 124 struct _ModestFolderViewPrivate {
 125         TnyAccountStore     *account_store;
 126         TnyFolder           *cur_folder;
 127         GtkTreeRowReference *cur_row;
 128
 129         gulong               account_update_signal;
 130         gulong               changed_signal;
 131         gulong               accounts_reloaded_signal;
 132
 133         GtkTreeSelection    *cur_selection;
 134         TnyFolderStoreQuery *query;
 135         guint                timer_expander;
 136
 137         gchar               *local_account_name;
 138 };
 139 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o)                       \
 140         (G_TYPE_INSTANCE_GET_PRIVATE((o),                       \
 141                                      MODEST_TYPE_FOLDER_VIEW,   \
 142                                      ModestFolderViewPrivate))
 143 /* globals */
 144 static GObjectClass *parent_class = NULL;
 145
 146 static guint signals[LAST_SIGNAL] = {0};
 147
 148 GType
 149 modest_folder_view_get_type (void)
 150 {
 151         static GType my_type = 0;
 152         if (!my_type) {
 153                 static const GTypeInfo my_info = {
 154                         sizeof(ModestFolderViewClass),
 155                         NULL,           /* base init */
 156                         NULL,           /* base finalize */
 157                         (GClassInitFunc) modest_folder_view_class_init,
 158                         NULL,           /* class finalize */
 159                         NULL,           /* class data */
 160                         sizeof(ModestFolderView),
 161                         1,              /* n_preallocs */
 162                         (GInstanceInitFunc) modest_folder_view_init,
 163                         NULL
 164                 };
 165
 166                 static const GInterfaceInfo tny_account_store_view_info = {
 167                         (GInterfaceInitFunc) tny_account_store_view_init, /* interface_init */
 168                         NULL,         /* interface_finalize */
 169                         NULL          /* interface_data */
 170                 };
 171
 172
 173                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 174                                                   "ModestFolderView",
 175                                                   &my_info, 0);
 176
 177                 g_type_add_interface_static (my_type,
 178                                              TNY_TYPE_ACCOUNT_STORE_VIEW,
 179                                              &tny_account_store_view_info);
 180         }
 181         return my_type;
 182 }
 183
 184 static void
 185 modest_folder_view_class_init (ModestFolderViewClass *klass)
 186 {
 187         GObjectClass *gobject_class;
 188         gobject_class = (GObjectClass*) klass;
 189
 190         parent_class            = g_type_class_peek_parent (klass);
 191         gobject_class->finalize = modest_folder_view_finalize;
 192
 193         g_type_class_add_private (gobject_class,
 194                                   sizeof(ModestFolderViewPrivate));
 195
 196         signals[FOLDER_SELECTION_CHANGED_SIGNAL] =
 197                 g_signal_new ("folder_selection_changed",
 198                               G_TYPE_FROM_CLASS (gobject_class),
 199                               G_SIGNAL_RUN_FIRST,
 200                               G_STRUCT_OFFSET (ModestFolderViewClass,
 201                                                folder_selection_changed),
 202                               NULL, NULL,
 203                               modest_marshal_VOID__POINTER_BOOLEAN,
 204                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
 205 }
 206
 207
 208
 209 static void
 210 text_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 211                  GtkTreeModel *tree_model,  GtkTreeIter *iter,  gpointer data)
 212 {
 213         GObject *rendobj;
 214         gchar *fname = NULL;
 215         gint unread;
 216         TnyFolderType type;
 217         TnyFolder *folder = NULL;
 218
 219         g_return_if_fail (column);
 220         g_return_if_fail (tree_model);
 221
 222         gtk_tree_model_get (tree_model, iter,
 223                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
 224                             TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread,
 225                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 226                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
 227                             -1);
 228         rendobj = G_OBJECT(renderer);
 229
 230         if (!fname)
 231                 return;
 232
 233         if (!folder) {
 234                 g_free (fname);
 235                 return;
 236         }
 237
 238         if (type != TNY_FOLDER_TYPE_ROOT) {
 239                 if (modest_tny_folder_is_local_folder (folder)) {
 240                         TnyFolderType type;
 241                         type = modest_tny_folder_get_local_folder_type (folder);
 242                         if (type != TNY_FOLDER_TYPE_UNKNOWN) {
 243                                 g_free (fname);
 244                                 fname = g_strdup(modest_local_folder_info_get_type_display_name (type));
 245                         }
 246                 }
 247
 248                 /* Use bold font style if there are unread messages */
 249                 if (unread > 0) {
 250                         gchar *folder_title = g_strdup_printf ("%s (%d)", fname, unread);
 251                         g_object_set (rendobj,"text", folder_title,  "weight", 800, NULL);
 252                         g_free (folder_title);
 253                 } else
 254                         g_object_set (rendobj,"text", fname, "weight", 400, NULL);
 255
 256         } else {
 257                 ModestFolderViewPrivate *priv;
 258                 const gchar *account_name;
 259
 260                 priv =  MODEST_FOLDER_VIEW_GET_PRIVATE (data);
 261
 262                 /* Use bold font style */
 263                 account_name = priv->local_account_name;
 264                 g_object_set (rendobj,"text", account_name, "weight", 800, NULL);
 265 /*              if (modest_tny_folder_is_local_folder (folder)) { */
 266 /*              } else { */
 267 /*                      if () { */
 268 /*                      } else { */
 269 /*                      } */
 270 /*              } */
 271         }
 272
 273         g_object_unref (G_OBJECT (folder));
 274         g_free (fname);
 275 }
 276
 277
 278
 279 static void
 280 icon_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 281                  GtkTreeModel *tree_model,  GtkTreeIter *iter, gpointer data)
 282 {
 283         GObject *rendobj;
 284         GdkPixbuf *pixbuf;
 285         TnyFolderType type;
 286         gchar *fname = NULL;
 287         gint unread;
 288
 289         rendobj = G_OBJECT(renderer);
 290         gtk_tree_model_get (tree_model, iter,
 291                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 292                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
 293                             TNY_GTK_FOLDER_STORE_TREE_MODEL_UNREAD_COLUMN, &unread,
 294                             -1);
 295         rendobj = G_OBJECT(renderer);
 296
 297         if (type == TNY_FOLDER_TYPE_NORMAL || type == TNY_FOLDER_TYPE_UNKNOWN) {
 298                 type = modest_tny_folder_guess_folder_type_from_name (fname);
 299         }
 300         g_free (fname);
 301
 302         switch (type) {
 303         case TNY_FOLDER_TYPE_ROOT:
 304                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_ACCOUNT);
 305                 break;
 306         case TNY_FOLDER_TYPE_INBOX:
 307                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_INBOX);
 308                 break;
 309         case TNY_FOLDER_TYPE_OUTBOX:
 310                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_OUTBOX);
 311                 break;
 312         case TNY_FOLDER_TYPE_JUNK:
 313                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_JUNK);
 314                 break;
 315         case TNY_FOLDER_TYPE_SENT:
 316                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_SENT);
 317                 break;
 318         case TNY_FOLDER_TYPE_TRASH:
 319                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_TRASH);
 320                 break;
 321         case TNY_FOLDER_TYPE_DRAFTS:
 322                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_DRAFTS);
 323                 break;
 324         case TNY_FOLDER_TYPE_NORMAL:
 325         default:
 326                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_NORMAL);
 327                 break;
 328         }
 329         g_object_set (rendobj, "pixbuf", pixbuf, NULL);
 330 }
 331
 332 static void
 333 modest_folder_view_init (ModestFolderView *obj)
 334 {
 335         ModestFolderViewPrivate *priv;
 336         GtkTreeViewColumn *column;
 337         GtkCellRenderer *renderer;
 338         GtkTreeSelection *sel;
 339         ModestConf *conf;
 340
 341         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 342
 343         priv->timer_expander = 0;
 344         priv->account_store  = NULL;
 345         priv->cur_folder     = NULL;
 346         priv->cur_row        = NULL;
 347         priv->query          = NULL;
 348
 349         /* Initialize the local account name */
 350         conf = modest_runtime_get_conf();
 351         priv->local_account_name = modest_conf_get_string (conf, MODEST_CONF_DEVICE_NAME, NULL);
 352
 353         /* Build treeview */
 354         column = gtk_tree_view_column_new ();
 355
 356         renderer = gtk_cell_renderer_pixbuf_new();
 357         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 358         gtk_tree_view_column_set_cell_data_func(column, renderer,
 359                                                 icon_cell_data, obj, NULL);
 360
 361         renderer = gtk_cell_renderer_text_new();
 362         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 363         gtk_tree_view_column_set_cell_data_func(column, renderer,
 364                                                 text_cell_data, obj, NULL);
 365
 366         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 367         gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
 368
 369         gtk_tree_view_column_set_spacing (column, 2);
 370         gtk_tree_view_column_set_resizable (column, TRUE);
 371         gtk_tree_view_column_set_fixed_width (column, TRUE);
 372         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(obj), FALSE);
 373         gtk_tree_view_set_enable_search     (GTK_TREE_VIEW(obj), FALSE);
 374
 375         gtk_tree_view_append_column (GTK_TREE_VIEW(obj),column);
 376
 377         /* Setup drag and drop */
 378         setup_drag_and_drop (GTK_TREE_VIEW(obj));
 379
 380         /* Connect signals */
 381         g_signal_connect (G_OBJECT (obj),
 382                           "key-press-event",
 383                           G_CALLBACK (on_key_pressed), NULL);
 384
 385         /*
 386          * Track changes in the local account name (in the device it
 387          * will be the device name)
 388          */
 389         g_signal_connect (G_OBJECT(conf),
 390                           "key_changed",
 391                           G_CALLBACK(on_configuration_key_changed), obj);
 392
 393 }
 394
 395 static void
 396 tny_account_store_view_init (gpointer g, gpointer iface_data)
 397 {
 398         TnyAccountStoreViewIface *klass = (TnyAccountStoreViewIface *)g;
 399
 400         klass->set_account_store_func = modest_folder_view_set_account_store;
 401
 402         return;
 403 }
 404
 405 static void
 406 modest_folder_view_finalize (GObject *obj)
 407 {
 408         ModestFolderViewPrivate *priv;
 409         GtkTreeSelection    *sel;
 410
 411         g_return_if_fail (obj);
 412
 413         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 414
 415         if (priv->timer_expander != 0) {
 416                 g_source_remove (priv->timer_expander);
 417                 priv->timer_expander = 0;
 418         }
 419
 420         if (priv->account_store) {
 421                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 422                                              priv->account_update_signal);
 423                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 424                                              priv->accounts_reloaded_signal);
 425                 g_object_unref (G_OBJECT(priv->account_store));
 426                 priv->account_store = NULL;
 427         }
 428
 429         if (priv->query) {
 430                 g_object_unref (G_OBJECT (priv->query));
 431                 priv->query = NULL;
 432         }
 433
 434         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 435         if (sel)
 436                 g_signal_handler_disconnect (G_OBJECT(sel), priv->changed_signal);
 437
 438         g_free (priv->local_account_name);
 439
 440         G_OBJECT_CLASS(parent_class)->finalize (obj);
 441 }
 442
 443
 444 static void
 445 modest_folder_view_set_account_store (TnyAccountStoreView *self, TnyAccountStore *account_store)
 446 {
 447         ModestFolderViewPrivate *priv;
 448         TnyDevice *device;
 449
 450         g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
 451         g_return_if_fail (TNY_IS_ACCOUNT_STORE (account_store));
 452
 453         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 454         device = tny_account_store_get_device (account_store);
 455
 456         if (G_UNLIKELY (priv->account_store)) {
 457
 458                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
 459                                                    priv->account_update_signal))
 460                         g_signal_handler_disconnect (G_OBJECT (priv->account_store),
 461                                                      priv->account_update_signal);
 462                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
 463                                                    priv->accounts_reloaded_signal))
 464                         g_signal_handler_disconnect (G_OBJECT (priv->account_store),
 465                                                      priv->accounts_reloaded_signal);
 466
 467                 g_object_unref (G_OBJECT (priv->account_store));
 468         }
 469
 470         priv->account_store = g_object_ref (G_OBJECT (account_store));
 471
 472         priv->account_update_signal =
 473                 g_signal_connect (G_OBJECT(account_store), "account_update",
 474                                   G_CALLBACK (on_account_update), self);
 475
 476         priv->accounts_reloaded_signal =
 477                 g_signal_connect (G_OBJECT(account_store), "accounts_reloaded",
 478                                   G_CALLBACK (on_accounts_reloaded), self);
 479
 480         if (!update_model (MODEST_FOLDER_VIEW (self),
 481                            MODEST_TNY_ACCOUNT_STORE (priv->account_store)))
 482                 g_printerr ("modest: failed to update model\n");
 483
 484         g_object_unref (G_OBJECT (device));
 485 }
 486
 487 static void
 488 on_account_update (TnyAccountStore *account_store, const gchar *account,
 489                    gpointer user_data)
 490 {
 491         if (!update_model (MODEST_FOLDER_VIEW(user_data),
 492                            MODEST_TNY_ACCOUNT_STORE(account_store)))
 493                 g_printerr ("modest: failed to update model for changes in '%s'",
 494                             account);
 495 }
 496
 497 static void
 498 on_accounts_reloaded   (TnyAccountStore *account_store,
 499                         gpointer user_data)
 500 {
 501         update_model (MODEST_FOLDER_VIEW (user_data),
 502                       MODEST_TNY_ACCOUNT_STORE(account_store));
 503 }
 504
 505 void
 506 modest_folder_view_set_title (ModestFolderView *self, const gchar *title)
 507 {
 508         GtkTreeViewColumn *col;
 509
 510         g_return_if_fail (self);
 511
 512         col = gtk_tree_view_get_column (GTK_TREE_VIEW(self), 0);
 513         if (!col) {
 514                 g_printerr ("modest: failed get column for title\n");
 515                 return;
 516         }
 517
 518         gtk_tree_view_column_set_title (col, title);
 519         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
 520                                            title != NULL);
 521 }
 522
 523 GtkWidget*
 524 modest_folder_view_new (TnyFolderStoreQuery *query)
 525 {
 526         GObject *self;
 527         ModestFolderViewPrivate *priv;
 528         GtkTreeSelection *sel;
 529
 530         self = G_OBJECT (g_object_new (MODEST_TYPE_FOLDER_VIEW, NULL));
 531         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 532
 533         priv->query = g_object_ref (query);
 534
 535         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
 536         priv->changed_signal = g_signal_connect (sel, "changed",
 537                                                  G_CALLBACK (on_selection_changed), self);
 538         return GTK_WIDGET(self);
 539 }
 540
 541 /* this feels dirty; any other way to expand all the root items? */
 542 static void
 543 expand_root_items (ModestFolderView *self)
 544 {
 545         GtkTreePath *path;
 546         path = gtk_tree_path_new_first ();
 547
 548         /* all folders should have child items, so.. */
 549         while (gtk_tree_view_expand_row (GTK_TREE_VIEW(self), path, FALSE))
 550                 gtk_tree_path_next (path);
 551
 552         gtk_tree_path_free (path);
 553 }
 554
 555 static gboolean
 556 update_model (ModestFolderView *self, ModestTnyAccountStore *account_store)
 557 {
 558         ModestFolderViewPrivate *priv;
 559
 560         TnyList          *account_list;
 561         GtkTreeModel     *model, *sortable;
 562
 563         g_return_val_if_fail (account_store, FALSE);
 564
 565         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 566
 567         /* Notify that there is no folder selected*/
 568         g_signal_emit (G_OBJECT(self),
 569                        signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 570                        NULL, TRUE);
 571
 572         /* FIXME: the local accounts are not shown when the query
 573            selects only the subscribed folders. */
 574 /*      model        = tny_gtk_folder_store_tree_model_new (TRUE, priv->query); */
 575         model        = tny_gtk_folder_store_tree_model_new (TRUE, NULL);
 576         account_list = TNY_LIST(model);
 577
 578         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
 579                                         account_list,
 580                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
 581         if (account_list) {
 582                 sortable = gtk_tree_model_sort_new_with_model (model);
 583                 gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
 584                                                       TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 585                                                       GTK_SORT_ASCENDING);
 586                 gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sortable),
 587                                                  TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
 588                                                  cmp_rows, NULL, NULL);
 589
 590                 /* Set new model */
 591                 gtk_tree_view_set_model (GTK_TREE_VIEW(self), sortable);
 592                 expand_root_items (self); /* expand all account folders */
 593                 g_object_unref (account_list);
 594         }
 595
 596         return TRUE;
 597 }
 598
 599
 600 static void
 601 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
 602 {
 603         GtkTreeModel            *model_sort, *model;
 604         TnyFolder               *folder = NULL;
 605         GtkTreeIter             iter, iter_sort;
 606         GtkTreePath            *path;
 607         ModestFolderView        *tree_view;
 608         ModestFolderViewPrivate *priv;
 609         gint                    type;
 610
 611         g_return_if_fail (sel);
 612         g_return_if_fail (user_data);
 613
 614         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
 615         priv->cur_selection = sel;
 616
 617         /* folder was _un_selected if true */
 618         if (!gtk_tree_selection_get_selected (sel, &model_sort, &iter_sort)) {
 619                 if (priv->cur_folder)
 620                         g_object_unref (priv->cur_folder);
 621                 if (priv->cur_row)
 622                         gtk_tree_row_reference_free (priv->cur_row);
 623                 priv->cur_folder = NULL;
 624                 priv->cur_row = NULL;
 625                 return;
 626         }
 627
 628         model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 629         gtk_tree_model_sort_convert_iter_to_child_iter (GTK_TREE_MODEL_SORT (model_sort),
 630                                                         &iter,
 631                                                         &iter_sort);
 632
 633         tree_view = MODEST_FOLDER_VIEW (user_data);
 634
 635         gtk_tree_model_get (model, &iter,
 636                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 637                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
 638                             -1);
 639
 640         /* If the folder is the same do not notify */
 641         if ((type == TNY_FOLDER_TYPE_ROOT) || (priv->cur_folder == folder)) {
 642                 g_object_unref (folder);
 643                 return;
 644         }
 645
 646         /* Current folder was unselected */
 647         if (priv->cur_folder) {
 648                 g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
 649                                priv->cur_folder, FALSE);
 650                 g_object_unref (priv->cur_folder);
 651         }
 652
 653         if (priv->cur_row)
 654                 gtk_tree_row_reference_free (priv->cur_row);
 655
 656         /* New current references */
 657         path = gtk_tree_model_get_path (model_sort, &iter_sort);
 658         priv->cur_folder = folder;
 659         priv->cur_row = gtk_tree_row_reference_new (model_sort, path);
 660
 661         /* Frees */
 662         gtk_tree_path_free (path);
 663
 664         /* New folder has been selected */
 665         g_signal_emit (G_OBJECT(tree_view),
 666                        signals[FOLDER_SELECTION_CHANGED_SIGNAL],
 667                        0, folder, TRUE);
 668 }
 669
 670 TnyFolder *
 671 modest_folder_view_get_selected (ModestFolderView *self)
 672 {
 673         ModestFolderViewPrivate *priv;
 674
 675         g_return_val_if_fail (self, NULL);
 676
 677         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
 678         if (priv->cur_folder)
 679                 g_object_ref (priv->cur_folder);
 680
 681         return priv->cur_folder;
 682 }
 683
 684 static gint
 685 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
 686           gpointer user_data)
 687 {
 688         gint cmp;
 689         gchar         *name1, *name2;
 690         TnyFolderType type;
 691         TnyFolder     *folder1, *folder2;
 692
 693         gtk_tree_model_get (tree_model, iter1,
 694                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name1,
 695                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 696                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder1,
 697                             -1);
 698         gtk_tree_model_get (tree_model, iter2,
 699                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name2,
 700                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder2,
 701                             -1);
 702
 703         /* local_folders should be the last one */
 704         if (type == TNY_FOLDER_TYPE_ROOT) {
 705                 /* the account name is also the name of the root folder
 706                  * in case of local folders */
 707                 if (name1 && strcmp (name1, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
 708                         cmp = +1;
 709                 else if (name2 && strcmp (name2, MODEST_LOCAL_FOLDERS_ACCOUNT_NAME) == 0)
 710                         cmp = -1;
 711                 else
 712                         cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
 713         } else
 714                 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
 715
 716
 717         if (folder1)
 718                 g_object_unref(G_OBJECT(folder1));
 719         if (folder2)
 720                 g_object_unref(G_OBJECT(folder2));
 721
 722         g_free (name1);
 723         g_free (name2);
 724
 725         return cmp;
 726 }
 727
 728 /*****************************************************************************/
 729 /*                        DRAG and DROP stuff                                */
 730 /*****************************************************************************/
 731
 732 /*
 733  * This function fills the #GtkSelectionData with the row and the
 734  * model that has been dragged. It's called when this widget is a
 735  * source for dnd after the event drop happened
 736  */
 737 static void
 738 on_drag_data_get (GtkWidget *widget,
 739                   GdkDragContext *context,
 740                   GtkSelectionData *selection_data,
 741                   guint info,
 742                   guint time,
 743                   gpointer data)
 744 {
 745         GtkTreeSelection *selection;
 746         GtkTreeModel *model_sort, *model;
 747         GtkTreeIter iter;
 748         GtkTreePath *source_row_sort;
 749         GtkTreePath *source_row;
 750
 751         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
 752         gtk_tree_selection_get_selected (selection, &model_sort, &iter);
 753         source_row_sort = gtk_tree_model_get_path (model_sort, &iter);
 754
 755         /* Get the unsorted path and model */
 756         model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 757         source_row = gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
 758                                                                      source_row_sort);
 759
 760         gtk_tree_set_row_drag_data (selection_data,
 761                                     model,
 762                                     source_row);
 763
 764         gtk_tree_path_free (source_row_sort);
 765         gtk_tree_path_free (source_row);
 766 }
 767
 768 typedef struct _DndHelper {
 769         gboolean delete_source;
 770         GtkTreePath *source_row;
 771         GdkDragContext *context;
 772         guint time;
 773 } DndHelper;
 774
 775
 776 /*
 777  * This function is the callback of the
 778  * modest_mail_operation_xfer_msg() and
 779  * modest_mail_operation_xfer_folder() calls. We check here if the
 780  * message/folder was correctly asynchronously transferred. The reason
 781  * to use the same callback is that the code is the same, it only has
 782  * to check that the operation went fine and then finalize the drag
 783  * and drop action
 784  */
 785 static void
 786 on_progress_changed (ModestMailOperation *mail_op, gpointer user_data)
 787 {
 788         gboolean success;
 789         DndHelper *helper;
 790
 791         helper = (DndHelper *) user_data;
 792
 793         if (!modest_mail_operation_is_finished (mail_op))
 794                 return;
 795
 796         if (modest_mail_operation_get_status (mail_op) ==
 797             MODEST_MAIL_OPERATION_STATUS_SUCCESS) {
 798                 success = TRUE;
 799         } else {
 800                 success = FALSE;
 801         }
 802
 803         /* Notify the drag source. Never call delete, the monitor will
 804            do the job if needed */
 805         gtk_drag_finish (helper->context, success, FALSE, helper->time);
 806
 807         /* Free the helper */
 808         gtk_tree_path_free (helper->source_row);
 809         g_slice_free (DndHelper, helper);
 810 }
 811
 812 /*
 813  * This function is used by drag_data_received_cb to manage drag and
 814  * drop of a header, i.e, and drag from the header view to the folder
 815  * view.
 816  */
 817 static void
 818 drag_and_drop_from_header_view (GtkTreeModel *source_model,
 819                                 GtkTreeModel *dest_model,
 820                                 GtkTreePath  *dest_row,
 821                                 DndHelper    *helper)
 822 {
 823         TnyHeader *header;
 824         TnyFolder *folder;
 825         ModestMailOperation *mail_op;
 826         GtkTreeIter source_iter, dest_iter;
 827
 828         /* Get header */
 829         gtk_tree_model_get_iter (source_model, &source_iter, helper->source_row);
 830         gtk_tree_model_get (source_model, &source_iter,
 831                             TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
 832                             &header, -1);
 833
 834         /* Get Folder */
 835         gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
 836         gtk_tree_model_get (dest_model, &dest_iter,
 837                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
 838                             &folder, -1);
 839
 840         /* Transfer message */
 841         mail_op = modest_mail_operation_new ();
 842         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 843                                          mail_op);
 844         g_signal_connect (G_OBJECT (mail_op), "progress-changed",
 845                           G_CALLBACK (on_progress_changed), helper);
 846
 847         modest_mail_operation_xfer_msg (mail_op, header, folder, helper->delete_source);
 848
 849         /* Frees */
 850         g_object_unref (G_OBJECT (mail_op));
 851         g_object_unref (G_OBJECT (header));
 852         g_object_unref (G_OBJECT (folder));
 853 }
 854
 855 /*
 856  * This function is used by drag_data_received_cb to manage drag and
 857  * drop of a folder, i.e, and drag from the folder view to the same
 858  * folder view.
 859  */
 860 static void
 861 drag_and_drop_from_folder_view (GtkTreeModel     *source_model,
 862                                 GtkTreeModel     *dest_model,
 863                                 GtkTreePath      *dest_row,
 864                                 GtkSelectionData *selection_data,
 865                                 DndHelper        *helper)
 866 {
 867         ModestMailOperation *mail_op;
 868         GtkTreeIter parent_iter, iter;
 869         TnyFolderStore *parent_folder;
 870         TnyFolder *folder;
 871
 872         /* Check if the drag is possible */
 873         if (!gtk_tree_path_compare (helper->source_row, dest_row) ||
 874             !gtk_tree_drag_dest_row_drop_possible (GTK_TREE_DRAG_DEST (dest_model),
 875                                                    dest_row,
 876                                                    selection_data)) {
 877
 878                 gtk_drag_finish (helper->context, FALSE, FALSE, helper->time);
 879                 gtk_tree_path_free (helper->source_row);
 880                 g_slice_free (DndHelper, helper);
 881                 return;
 882         }
 883
 884         /* Get data */
 885         gtk_tree_model_get_iter (source_model, &parent_iter, dest_row);
 886         gtk_tree_model_get_iter (source_model, &iter, helper->source_row);
 887         gtk_tree_model_get (source_model, &parent_iter,
 888                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
 889                             &parent_folder, -1);
 890         gtk_tree_model_get (source_model, &iter,
 891                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
 892                             &folder, -1);
 893
 894         /* Do the mail operation */
 895         mail_op = modest_mail_operation_new ();
 896         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
 897                                          mail_op);
 898         g_signal_connect (G_OBJECT (mail_op), "progress-changed",
 899                           G_CALLBACK (on_progress_changed), helper);
 900
 901         modest_mail_operation_xfer_folder (mail_op,
 902                                            folder,
 903                                            parent_folder,
 904                                            helper->delete_source);
 905
 906         /* Frees */
 907         g_object_unref (G_OBJECT (parent_folder));
 908         g_object_unref (G_OBJECT (folder));
 909         g_object_unref (G_OBJECT (mail_op));
 910 }
 911
 912 /*
 913  * This function receives the data set by the "drag-data-get" signal
 914  * handler. This information comes within the #GtkSelectionData. This
 915  * function will manage both the drags of folders of the treeview and
 916  * drags of headers of the header view widget.
 917  */
 918 static void
 919 on_drag_data_received (GtkWidget *widget,
 920                        GdkDragContext *context,
 921                        gint x,
 922                        gint y,
 923                        GtkSelectionData *selection_data,
 924                        guint target_type,
 925                        guint time,
 926                        gpointer data)
 927 {
 928         GtkWidget *source_widget;
 929         GtkTreeModel *model_sort, *dest_model, *source_model;
 930         GtkTreePath *source_row, *dest_row, *child_dest_row;
 931         GtkTreeViewDropPosition pos;
 932         gboolean success = FALSE, delete_source = FALSE;
 933         DndHelper *helper;
 934
 935         /* Do not allow further process */
 936         g_signal_stop_emission_by_name (widget, "drag-data-received");
 937
 938         /* Get the action */
 939         if (context->action == GDK_ACTION_MOVE)
 940                 delete_source = TRUE;
 941
 942         /* Check if the get_data failed */
 943         if (selection_data == NULL || selection_data->length < 0)
 944                 gtk_drag_finish (context, success, FALSE, time);
 945
 946         /* Get the models */
 947         source_widget = gtk_drag_get_source_widget (context);
 948         gtk_tree_get_row_drag_data (selection_data,
 949                                     &source_model,
 950                                     &source_row);
 951
 952         model_sort = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
 953         /* Select the destination model */
 954         if (source_widget == widget) {
 955                 dest_model = source_model;
 956         } else {
 957                 dest_model = gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (model_sort));
 958         }
 959
 960         /* Get the path to the destination row. Can not call
 961            gtk_tree_view_get_drag_dest_row() because the source row
 962            is not selected anymore */
 963         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y,
 964                                            &dest_row, &pos);
 965
 966         /* Only allow drops IN other rows */
 967         if (!dest_row || pos == GTK_TREE_VIEW_DROP_BEFORE || pos == GTK_TREE_VIEW_DROP_AFTER)
 968                 gtk_drag_finish (context, success, FALSE, time);
 969
 970         /* Create the helper */
 971         helper = g_slice_new0 (DndHelper);
 972         helper->delete_source = delete_source;
 973         helper->source_row = gtk_tree_path_copy (source_row);
 974         helper->context = context;
 975         helper->time = time;
 976
 977         /* Get path from the unsorted model */
 978         child_dest_row =
 979                 gtk_tree_model_sort_convert_path_to_child_path (GTK_TREE_MODEL_SORT (model_sort),
 980                                                                 dest_row);
 981         gtk_tree_path_free (dest_row);
 982
 983         /* Drags from the header view */
 984         if (source_widget != widget) {
 985
 986                 drag_and_drop_from_header_view (source_model,
 987                                                 dest_model,
 988                                                 child_dest_row,
 989                                                 helper);
 990         } else {
 991
 992
 993                 drag_and_drop_from_folder_view (source_model,
 994                                                 dest_model,
 995                                                 child_dest_row,
 996                                                 selection_data,
 997                                                 helper);
 998         }
 999
1000         /* Frees */
1001         gtk_tree_path_free (source_row);
1002         gtk_tree_path_free (child_dest_row);
1003 }
1004
1005 /*
1006  * We define a "drag-drop" signal handler because we do not want to
1007  * use the default one, because the default one always calls
1008  * gtk_drag_finish and we prefer to do it in the "drag-data-received"
1009  * signal handler, because there we have all the information available
1010  * to know if the dnd was a success or not.
1011  */
1012 static gboolean
1013 drag_drop_cb (GtkWidget      *widget,
1014               GdkDragContext *context,
1015               gint            x,
1016               gint            y,
1017               guint           time,
1018               gpointer        user_data)
1019 {
1020         gpointer target;
1021
1022         if (!context->targets)
1023                 return FALSE;
1024
1025         /* Check if we're dragging a folder row */
1026         target = gtk_drag_dest_find_target (widget, context, NULL);
1027
1028         /* Request the data from the source. */
1029         gtk_drag_get_data(widget, context, target, time);
1030
1031     return TRUE;
1032 }
1033
1034 /*
1035  * This function expands a node of a tree view if it's not expanded
1036  * yet. Not sure why it needs the threads stuff, but gtk+`example code
1037  * does that, so that's why they're here.
1038  */
1039 static gint
1040 expand_row_timeout (gpointer data)
1041 {
1042         GtkTreeView *tree_view = data;
1043         GtkTreePath *dest_path = NULL;
1044         GtkTreeViewDropPosition pos;
1045         gboolean result = FALSE;
1046
1047         GDK_THREADS_ENTER ();
1048
1049         gtk_tree_view_get_drag_dest_row (tree_view,
1050                                          &dest_path,
1051                                          &pos);
1052
1053         if (dest_path &&
1054             (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
1055              pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) {
1056                 gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
1057                 gtk_tree_path_free (dest_path);
1058         }
1059         else {
1060                 if (dest_path)
1061                         gtk_tree_path_free (dest_path);
1062
1063                 result = TRUE;
1064         }
1065
1066         GDK_THREADS_LEAVE ();
1067
1068         return result;
1069 }
1070
1071 /*
1072  * This function is called whenever the pointer is moved over a widget
1073  * while dragging some data. It installs a timeout that will expand a
1074  * node of the treeview if not expanded yet. This function also calls
1075  * gdk_drag_status in order to set the suggested action that will be
1076  * used by the "drag-data-received" signal handler to know if we
1077  * should do a move or just a copy of the data.
1078  */
1079 static gboolean
1080 on_drag_motion (GtkWidget      *widget,
1081                 GdkDragContext *context,
1082                 gint            x,
1083                 gint            y,
1084                 guint           time,
1085                 gpointer        user_data)
1086 {
1087         GtkTreeViewDropPosition pos;
1088         GtkTreePath *dest_row;
1089         ModestFolderViewPrivate *priv;
1090         GdkDragAction suggested_action;
1091         gboolean valid_location = FALSE;
1092
1093         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (widget);
1094
1095         if (priv->timer_expander != 0) {
1096                 g_source_remove (priv->timer_expander);
1097                 priv->timer_expander = 0;
1098         }
1099
1100         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
1101                                            x, y,
1102                                            &dest_row,
1103                                            &pos);
1104
1105         /* Do not allow drops between folders */
1106         if (!dest_row ||
1107             pos == GTK_TREE_VIEW_DROP_BEFORE ||
1108             pos == GTK_TREE_VIEW_DROP_AFTER) {
1109                 gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW (widget), NULL, 0);
1110                 gdk_drag_status(context, 0, time);
1111                 valid_location = FALSE;
1112                 goto out;
1113         } else {
1114                 valid_location = TRUE;
1115         }
1116
1117         /* Expand the selected row after 1/2 second */
1118         if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), dest_row)) {
1119                 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), dest_row, pos);
1120                 priv->timer_expander = g_timeout_add (500, expand_row_timeout, widget);
1121         }
1122         gtk_tree_path_free (dest_row);
1123
1124         /* Select the desired action. By default we pick MOVE */
1125         suggested_action = GDK_ACTION_MOVE;
1126
1127         if (context->actions == GDK_ACTION_COPY)
1128             gdk_drag_status(context, GDK_ACTION_COPY, time);
1129         else if (context->actions == GDK_ACTION_MOVE)
1130             gdk_drag_status(context, GDK_ACTION_MOVE, time);
1131         else if (context->actions & suggested_action)
1132             gdk_drag_status(context, suggested_action, time);
1133         else
1134             gdk_drag_status(context, GDK_ACTION_DEFAULT, time);
1135
1136  out:
1137         g_signal_stop_emission_by_name (widget, "drag-motion");
1138         return valid_location;
1139 }
1140
1141
1142 /* Folder view drag types */
1143 const GtkTargetEntry folder_view_drag_types[] =
1144 {
1145         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_WIDGET, MODEST_FOLDER_ROW },
1146         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_APP,    MODEST_HEADER_ROW }
1147 };
1148
1149 /*
1150  * This function sets the treeview as a source and a target for dnd
1151  * events. It also connects all the requirede signals.
1152  */
1153 static void
1154 setup_drag_and_drop (GtkTreeView *self)
1155 {
1156         /* Set up the folder view as a dnd destination. Set only the
1157            highlight flag, otherwise gtk will have a different
1158            behaviour */
1159         gtk_drag_dest_set (GTK_WIDGET (self),
1160                            GTK_DEST_DEFAULT_HIGHLIGHT,
1161                            folder_view_drag_types,
1162                            G_N_ELEMENTS (folder_view_drag_types),
1163                            GDK_ACTION_MOVE | GDK_ACTION_COPY);
1164
1165         g_signal_connect (G_OBJECT (self),
1166                           "drag_data_received",
1167                           G_CALLBACK (on_drag_data_received),
1168                           NULL);
1169
1170
1171         /* Set up the treeview as a dnd source */
1172         gtk_drag_source_set (GTK_WIDGET (self),
1173                              GDK_BUTTON1_MASK,
1174                              folder_view_drag_types,
1175                              G_N_ELEMENTS (folder_view_drag_types),
1176                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
1177
1178         g_signal_connect (G_OBJECT (self),
1179                           "drag_motion",
1180                           G_CALLBACK (on_drag_motion),
1181                           NULL);
1182
1183         g_signal_connect (G_OBJECT (self),
1184                           "drag_data_get",
1185                           G_CALLBACK (on_drag_data_get),
1186                           NULL);
1187
1188         g_signal_connect (G_OBJECT (self),
1189                           "drag_drop",
1190                           G_CALLBACK (drag_drop_cb),
1191                           NULL);
1192 }
1193
1194 /*
1195  * This function manages the navigation through the folders using the
1196  * keyboard or the hardware keys in the device
1197  */
1198 static gboolean
1199 on_key_pressed (GtkWidget *self,
1200                 GdkEventKey *event,
1201                 gpointer user_data)
1202 {
1203         GtkTreeSelection *selection;
1204         GtkTreeIter iter;
1205         GtkTreeModel *model;
1206         gboolean retval = FALSE;
1207
1208         /* Up and Down are automatically managed by the treeview */
1209         if (event->keyval == GDK_Return) {
1210                 /* Expand/Collapse the selected row */
1211                 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1212                 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
1213                         GtkTreePath *path;
1214
1215                         path = gtk_tree_model_get_path (model, &iter);
1216
1217                         if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (self), path))
1218                                 gtk_tree_view_collapse_row (GTK_TREE_VIEW (self), path);
1219                         else
1220                                 gtk_tree_view_expand_row (GTK_TREE_VIEW (self), path, FALSE);
1221                         gtk_tree_path_free (path);
1222                 }
1223                 /* No further processing */
1224                 retval = TRUE;
1225         }
1226
1227         return retval;
1228 }
1229
1230 /*
1231  * We listen to the changes in the local folder account name key,
1232  * because we want to show the right name in the view. The local
1233  * folder account name corresponds to the device name in the Maemo
1234  * version. We do this because we do not want to query gconf on each
1235  * tree view refresh. It's better to cache it and change whenever
1236  * necessary.
1237  */
1238 static void
1239 on_configuration_key_changed (ModestConf* conf,
1240                               const gchar *key,
1241                               ModestConfEvent event,
1242                               ModestFolderView *self)
1243 {
1244         ModestFolderViewPrivate *priv;
1245         GtkTreeViewColumn *tree_column;
1246
1247         if (!key || strcmp (key, MODEST_CONF_DEVICE_NAME))
1248                 return;
1249
1250         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
1251
1252         g_free (priv->local_account_name);
1253
1254         if (event == MODEST_CONF_EVENT_KEY_UNSET)
1255                 priv->local_account_name = g_strdup (MODEST_LOCAL_FOLDERS_DEFAULT_DISPLAY_NAME);
1256         else
1257                 priv->local_account_name = modest_conf_get_string (modest_runtime_get_conf(),
1258                                                                    MODEST_CONF_DEVICE_NAME, NULL);
1259
1260         /* Force a redraw */
1261         tree_column = gtk_tree_view_get_column (GTK_TREE_VIEW (self),
1262                                                 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN);
1263         gtk_tree_view_column_queue_resize (tree_column);
1264 }