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 #include <gdk/gdkkeysyms.h>
  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-folder-store-observer.h>
  39 #include <tny-account-store.h>
  40 #include <tny-account.h>
  41 #include <tny-folder.h>
  42 #include <tny-camel-folder.h>
  43 #include <tny-simple-list.h>
  44 #include <tny-camel-account.h>
  45 #include <modest-tny-account.h>
  46 #include <modest-tny-folder.h>
  47 #include <modest-tny-local-folders-account.h>
  48 #include <modest-tny-outbox-account.h>
  49 #include <modest-marshal.h>
  50 #include <modest-icon-names.h>
  51 #include <modest-tny-account-store.h>
  52 #include <modest-text-utils.h>
  53 #include <modest-runtime.h>
  54 #include "modest-folder-view.h"
  55 #include <modest-platform.h>
  56 #include <modest-widget-memory.h>
  57 #include <modest-ui-actions.h>
  58 #include "modest-dnd.h"
  59 #include "widgets/modest-window.h"
  60
  61 /* Folder view drag types */
  62 const GtkTargetEntry folder_view_drag_types[] =
  63 {
  64         { "GTK_TREE_MODEL_ROW", GTK_TARGET_SAME_WIDGET, MODEST_FOLDER_ROW },
  65         { GTK_TREE_PATH_AS_STRING_LIST, GTK_TARGET_SAME_APP, MODEST_HEADER_ROW }
  66 };
  67
  68 /* 'private'/'protected' functions */
  69 static void modest_folder_view_class_init  (ModestFolderViewClass *klass);
  70 static void modest_folder_view_init        (ModestFolderView *obj);
  71 static void modest_folder_view_finalize    (GObject *obj);
  72
  73 static void         tny_account_store_view_init (gpointer g,
  74                                                  gpointer iface_data);
  75
  76 static void         modest_folder_view_set_account_store (TnyAccountStoreView *self,
  77                                                           TnyAccountStore     *account_store);
  78
  79 static void         on_selection_changed   (GtkTreeSelection *sel, gpointer data);
  80
  81 static void         on_account_removed     (TnyAccountStore *self,
  82                                             TnyAccount *account,
  83                                             gpointer user_data);
  84
  85 static void         on_account_inserted    (TnyAccountStore *self,
  86                                             TnyAccount *account,
  87                                             gpointer user_data);
  88
  89 static void         on_account_changed    (TnyAccountStore *self,
  90                                             TnyAccount *account,
  91                                             gpointer user_data);
  92
  93 static gint         cmp_rows               (GtkTreeModel *tree_model,
  94                                             GtkTreeIter *iter1,
  95                                             GtkTreeIter *iter2,
  96                                             gpointer user_data);
  97
  98 static gboolean     filter_row             (GtkTreeModel *model,
  99                                             GtkTreeIter *iter,
 100                                             gpointer data);
 101
 102 static gboolean     on_key_pressed         (GtkWidget *self,
 103                                             GdkEventKey *event,
 104                                             gpointer user_data);
 105
 106 static void         on_configuration_key_changed  (ModestConf* conf,
 107                                                    const gchar *key,
 108                                                    ModestConfEvent event,
 109                                                    ModestConfNotificationId notification_id,
 110                                                    ModestFolderView *self);
 111
 112 /* DnD functions */
 113 static void         on_drag_data_get       (GtkWidget *widget,
 114                                             GdkDragContext *context,
 115                                             GtkSelectionData *selection_data,
 116                                             guint info,
 117                                             guint time,
 118                                             gpointer data);
 119
 120 static void         on_drag_data_received  (GtkWidget *widget,
 121                                             GdkDragContext *context,
 122                                             gint x,
 123                                             gint y,
 124                                             GtkSelectionData *selection_data,
 125                                             guint info,
 126                                             guint time,
 127                                             gpointer data);
 128
 129 static gboolean     on_drag_motion         (GtkWidget      *widget,
 130                                             GdkDragContext *context,
 131                                             gint            x,
 132                                             gint            y,
 133                                             guint           time,
 134                                             gpointer        user_data);
 135
 136 static void         expand_root_items (ModestFolderView *self);
 137
 138 static gint         expand_row_timeout     (gpointer data);
 139
 140 static void         setup_drag_and_drop    (GtkTreeView *self);
 141
 142 static gboolean     _clipboard_set_selected_data (ModestFolderView *folder_view,
 143                                                   gboolean delete);
 144
 145 static void         _clear_hidding_filter (ModestFolderView *folder_view);
 146
 147 static void         on_row_inserted_maybe_select_folder (GtkTreeModel     *tree_model,
 148                                                          GtkTreePath      *path,
 149                                                          GtkTreeIter      *iter,
 150                                                          ModestFolderView *self);
 151
 152 static void         on_display_name_changed (ModestAccountMgr *self,
 153                                              const gchar *account,
 154                                              gpointer user_data);
 155
 156 enum {
 157         FOLDER_SELECTION_CHANGED_SIGNAL,
 158         FOLDER_DISPLAY_NAME_CHANGED_SIGNAL,
 159         LAST_SIGNAL
 160 };
 161
 162 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
 163 struct _ModestFolderViewPrivate {
 164         TnyAccountStore      *account_store;
 165         TnyFolderStore       *cur_folder_store;
 166
 167         TnyFolder            *folder_to_select; /* folder to select after the next update */
 168
 169         gulong                changed_signal;
 170         gulong                account_inserted_signal;
 171         gulong                account_removed_signal;
 172         gulong                account_changed_signal;
 173         gulong                conf_key_signal;
 174         gulong                display_name_changed_signal;
 175
 176         /* not unref this object, its a singlenton */
 177         ModestEmailClipboard *clipboard;
 178
 179         /* Filter tree model */
 180         gchar **hidding_ids;
 181         guint n_selected;
 182
 183         TnyFolderStoreQuery  *query;
 184         guint                 timer_expander;
 185
 186         gchar                *local_account_name;
 187         gchar                *visible_account_id;
 188         ModestFolderViewStyle style;
 189
 190         gboolean  reselect; /* we use this to force a reselection of the INBOX */
 191         gboolean  show_non_move;
 192         gboolean  reexpand; /* next time we expose, we'll expand all root folders */
 193 };
 194 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o)                       \
 195         (G_TYPE_INSTANCE_GET_PRIVATE((o),                       \
 196                                      MODEST_TYPE_FOLDER_VIEW,   \
 197                                      ModestFolderViewPrivate))
 198 /* globals */
 199 static GObjectClass *parent_class = NULL;
 200
 201 static guint signals[LAST_SIGNAL] = {0};
 202
 203 GType
 204 modest_folder_view_get_type (void)
 205 {
 206         static GType my_type = 0;
 207         if (!my_type) {
 208                 static const GTypeInfo my_info = {
 209                         sizeof(ModestFolderViewClass),
 210                         NULL,           /* base init */
 211                         NULL,           /* base finalize */
 212                         (GClassInitFunc) modest_folder_view_class_init,
 213                         NULL,           /* class finalize */
 214                         NULL,           /* class data */
 215                         sizeof(ModestFolderView),
 216                         1,              /* n_preallocs */
 217                         (GInstanceInitFunc) modest_folder_view_init,
 218                         NULL
 219                 };
 220
 221                 static const GInterfaceInfo tny_account_store_view_info = {
 222                         (GInterfaceInitFunc) tny_account_store_view_init, /* interface_init */
 223                         NULL,         /* interface_finalize */
 224                         NULL          /* interface_data */
 225                 };
 226
 227
 228                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
 229                                                   "ModestFolderView",
 230                                                   &my_info, 0);
 231
 232                 g_type_add_interface_static (my_type,
 233                                              TNY_TYPE_ACCOUNT_STORE_VIEW,
 234                                              &tny_account_store_view_info);
 235         }
 236         return my_type;
 237 }
 238
 239 static void
 240 modest_folder_view_class_init (ModestFolderViewClass *klass)
 241 {
 242         GObjectClass *gobject_class;
 243         gobject_class = (GObjectClass*) klass;
 244
 245         parent_class            = g_type_class_peek_parent (klass);
 246         gobject_class->finalize = modest_folder_view_finalize;
 247
 248         g_type_class_add_private (gobject_class,
 249                                   sizeof(ModestFolderViewPrivate));
 250
 251         signals[FOLDER_SELECTION_CHANGED_SIGNAL] =
 252                 g_signal_new ("folder_selection_changed",
 253                               G_TYPE_FROM_CLASS (gobject_class),
 254                               G_SIGNAL_RUN_FIRST,
 255                               G_STRUCT_OFFSET (ModestFolderViewClass,
 256                                                folder_selection_changed),
 257                               NULL, NULL,
 258                               modest_marshal_VOID__POINTER_BOOLEAN,
 259                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
 260
 261         /*
 262          * This signal is emitted whenever the currently selected
 263          * folder display name is computed. Note that the name could
 264          * be different to the folder name, because we could append
 265          * the unread messages count to the folder name to build the
 266          * folder display name
 267          */
 268         signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL] =
 269                 g_signal_new ("folder-display-name-changed",
 270                               G_TYPE_FROM_CLASS (gobject_class),
 271                               G_SIGNAL_RUN_FIRST,
 272                               G_STRUCT_OFFSET (ModestFolderViewClass,
 273                                                folder_display_name_changed),
 274                               NULL, NULL,
 275                               g_cclosure_marshal_VOID__STRING,
 276                               G_TYPE_NONE, 1, G_TYPE_STRING);
 277 }
 278
 279 /* Simplify checks for NULLs: */
 280 static gboolean
 281 strings_are_equal (const gchar *a, const gchar *b)
 282 {
 283         if (!a && !b)
 284                 return TRUE;
 285         if (a && b)
 286         {
 287                 return (strcmp (a, b) == 0);
 288         }
 289         else
 290                 return FALSE;
 291 }
 292
 293 static gboolean
 294 on_model_foreach_set_name(GtkTreeModel *model, GtkTreePath *path,  GtkTreeIter *iter, gpointer data)
 295 {
 296         GObject *instance = NULL;
 297
 298         gtk_tree_model_get (model, iter,
 299                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
 300                             -1);
 301
 302         if (!instance)
 303                 return FALSE; /* keep walking */
 304
 305         if (!TNY_IS_ACCOUNT (instance)) {
 306                 g_object_unref (instance);
 307                 return FALSE; /* keep walking */
 308         }
 309
 310         /* Check if this is the looked-for account: */
 311         TnyAccount *this_account = TNY_ACCOUNT (instance);
 312         TnyAccount *account = TNY_ACCOUNT (data);
 313
 314         const gchar *this_account_id = tny_account_get_id(this_account);
 315         const gchar *account_id = tny_account_get_id(account);
 316         g_object_unref (instance);
 317         instance = NULL;
 318
 319         /* printf ("DEBUG: %s: this_account_id=%s, account_id=%s\n", __FUNCTION__, this_account_id, account_id); */
 320         if (strings_are_equal(this_account_id, account_id)) {
 321                 /* Tell the model that the data has changed, so that
 322                  * it calls the cell_data_func callbacks again: */
 323                 /* TODO: This does not seem to actually cause the new string to be shown: */
 324                 gtk_tree_model_row_changed (model, path, iter);
 325
 326                 return TRUE; /* stop walking */
 327         }
 328
 329         return FALSE; /* keep walking */
 330 }
 331
 332 typedef struct
 333 {
 334         ModestFolderView *self;
 335         gchar *previous_name;
 336 } GetMmcAccountNameData;
 337
 338 static void
 339 on_get_mmc_account_name (TnyStoreAccount* account, gpointer user_data)
 340 {
 341         /* printf ("DEBU1G: %s: account name=%s\n", __FUNCTION__, tny_account_get_name (TNY_ACCOUNT(account))); */
 342
 343         GetMmcAccountNameData *data = (GetMmcAccountNameData*)user_data;
 344
 345         if (!strings_are_equal (
 346                 tny_account_get_name(TNY_ACCOUNT(account)),
 347                 data->previous_name)) {
 348
 349                 /* Tell the model that the data has changed, so that
 350                  * it calls the cell_data_func callbacks again: */
 351                 ModestFolderView *self = data->self;
 352                 GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 353                 if (model)
 354                         gtk_tree_model_foreach(model, on_model_foreach_set_name, account);
 355         }
 356
 357         g_free (data->previous_name);
 358         g_slice_free (GetMmcAccountNameData, data);
 359 }
 360
 361 static void
 362 text_cell_data  (GtkTreeViewColumn *column,
 363                  GtkCellRenderer *renderer,
 364                  GtkTreeModel *tree_model,
 365                  GtkTreeIter *iter,
 366                  gpointer data)
 367 {
 368         ModestFolderViewPrivate *priv;
 369         GObject *rendobj;
 370         gchar *fname = NULL;
 371         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
 372         GObject *instance = NULL;
 373
 374         g_return_if_fail (column);
 375         g_return_if_fail (tree_model);
 376         g_return_if_fail (iter != NULL);
 377
 378         gtk_tree_model_get (tree_model, iter,
 379                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
 380                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 381                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
 382                             -1);
 383         rendobj = G_OBJECT(renderer);
 384
 385         if (!fname)
 386                 return;
 387
 388         if (!instance) {
 389                 g_free (fname);
 390                 return;
 391         }
 392
 393         ModestFolderView *self = MODEST_FOLDER_VIEW (data);
 394         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 395
 396         gchar *item_name = NULL;
 397         gint item_weight = 400;
 398
 399         if (type != TNY_FOLDER_TYPE_ROOT) {
 400                 gint number = 0;
 401
 402                 if (modest_tny_folder_is_local_folder (TNY_FOLDER (instance)) ||
 403                     modest_tny_folder_is_memory_card_folder (TNY_FOLDER (instance))) {
 404                         type = modest_tny_folder_get_local_or_mmc_folder_type (TNY_FOLDER (instance));
 405                         if (type != TNY_FOLDER_TYPE_UNKNOWN) {
 406                                 g_free (fname);
 407                                 fname = g_strdup (modest_local_folder_info_get_type_display_name (type));
 408                         }
 409                 }
 410
 411                 /* note: we cannot reliably get the counts from the tree model, we need
 412                  * to use explicit calls on tny_folder for some reason.
 413                  */
 414                 /* Select the number to show: the unread or unsent messages. in case of outbox/drafts, show all */
 415                 if ((type == TNY_FOLDER_TYPE_DRAFTS) ||
 416                     (type == TNY_FOLDER_TYPE_OUTBOX) ||
 417                     (type == TNY_FOLDER_TYPE_MERGE)) /* _OUTBOX actually returns _MERGE... */
 418                         number = tny_folder_get_all_count (TNY_FOLDER(instance));
 419                 else
 420                         number = tny_folder_get_unread_count (TNY_FOLDER(instance));
 421
 422                 /* Use bold font style if there are unread or unset messages */
 423                 if (number > 0) {
 424                         item_name = g_strdup_printf ("%s (%d)", fname, number);
 425                         item_weight = 800;
 426                 } else {
 427                         item_name = g_strdup (fname);
 428                         item_weight = 400;
 429                 }
 430
 431         } else if (TNY_IS_ACCOUNT (instance)) {
 432                 /* If it's a server account */
 433                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (instance))) {
 434                         item_name = g_strdup (priv->local_account_name);
 435                         item_weight = 800;
 436                 } else if (modest_tny_account_is_memory_card_account (TNY_ACCOUNT (instance))) {
 437                         /* fname is only correct when the items are first
 438                          * added to the model, not when the account is
 439                          * changed later, so get the name from the account
 440                          * instance: */
 441                         item_name = g_strdup (tny_account_get_name (TNY_ACCOUNT (instance)));
 442                         item_weight = 800;
 443                 } else {
 444                         item_name = g_strdup (fname);
 445                         item_weight = 800;
 446                 }
 447         }
 448
 449         if (!item_name)
 450                 item_name = g_strdup ("unknown");
 451
 452         if (item_name && item_weight) {
 453                 /* Set the name in the treeview cell: */
 454                 g_object_set (rendobj,"text", item_name, "weight", item_weight, NULL);
 455
 456                 /* Notify display name observers */
 457                 /* TODO: What listens for this signal, and how can it use only the new name? */
 458                 if (G_OBJECT (priv->cur_folder_store) == instance) {
 459                         g_signal_emit (G_OBJECT(self),
 460                                                signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL], 0,
 461                                                item_name);
 462                 }
 463                 g_free (item_name);
 464
 465         }
 466
 467         /* If it is a Memory card account, make sure that we have the correct name.
 468          * This function will be trigerred again when the name has been retrieved: */
 469         if (TNY_IS_STORE_ACCOUNT (instance) &&
 470                 modest_tny_account_is_memory_card_account (TNY_ACCOUNT (instance))) {
 471
 472                 /* Get the account name asynchronously: */
 473                 GetMmcAccountNameData *callback_data =
 474                         g_slice_new0(GetMmcAccountNameData);
 475                 callback_data->self = self;
 476
 477                 const gchar *name = tny_account_get_name (TNY_ACCOUNT(instance));
 478                 if (name)
 479                         callback_data->previous_name = g_strdup (name);
 480
 481                 modest_tny_account_get_mmc_account_name (TNY_STORE_ACCOUNT (instance),
 482                                                          on_get_mmc_account_name, callback_data);
 483         }
 484
 485         g_object_unref (G_OBJECT (instance));
 486         g_free (fname);
 487 }
 488
 489 static void
 490 icon_cell_data  (GtkTreeViewColumn *column,  GtkCellRenderer *renderer,
 491                  GtkTreeModel *tree_model,  GtkTreeIter *iter, gpointer data)
 492 {
 493         GObject *rendobj = NULL, *instance = NULL;
 494         GdkPixbuf *pixbuf = NULL;
 495         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
 496         const gchar *account_id = NULL;
 497         gboolean has_children;
 498
 499         rendobj = G_OBJECT(renderer);
 500         gtk_tree_model_get (tree_model, iter,
 501                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
 502                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
 503                             -1);
 504         has_children = gtk_tree_model_iter_has_child (tree_model, iter);
 505
 506         if (!instance)
 507                 return;
 508
 509         /* MERGE is not needed anymore as the folder now has the correct type jschmid */
 510         /* We include the MERGE type here because it's used to create
 511            the local OUTBOX folder */
 512         if (type == TNY_FOLDER_TYPE_NORMAL ||
 513             type == TNY_FOLDER_TYPE_UNKNOWN) {
 514                 type = modest_tny_folder_guess_folder_type (TNY_FOLDER (instance));
 515         }
 516
 517         switch (type) {
 518         case TNY_FOLDER_TYPE_INVALID:
 519                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
 520                 break;
 521
 522         case TNY_FOLDER_TYPE_ROOT:
 523                 if (TNY_IS_ACCOUNT (instance)) {
 524
 525                         if (modest_tny_account_is_virtual_local_folders (
 526                                 TNY_ACCOUNT (instance))) {
 527                                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_LOCAL_FOLDERS);
 528                         }
 529                         else {
 530                                 account_id = tny_account_get_id (TNY_ACCOUNT (instance));
 531
 532                                 if (!strcmp (account_id, MODEST_MMC_ACCOUNT_ID))
 533                                         pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_MMC);
 534                                 else
 535                                         pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_ACCOUNT);
 536                         }
 537                 }
 538                 break;
 539         case TNY_FOLDER_TYPE_INBOX:
 540             pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_INBOX);
 541             break;
 542         case TNY_FOLDER_TYPE_OUTBOX:
 543                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_OUTBOX);
 544                 break;
 545         case TNY_FOLDER_TYPE_JUNK:
 546                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_JUNK);
 547                 break;
 548         case TNY_FOLDER_TYPE_SENT:
 549                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_SENT);
 550                 break;
 551         case TNY_FOLDER_TYPE_TRASH:
 552                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_TRASH);
 553                 break;
 554         case TNY_FOLDER_TYPE_DRAFTS:
 555                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_DRAFTS);
 556                 break;
 557         case TNY_FOLDER_TYPE_NORMAL:
 558         default:
 559                 pixbuf = modest_platform_get_icon (MODEST_FOLDER_ICON_NORMAL);
 560                 break;
 561         }
 562
 563         g_object_unref (G_OBJECT (instance));
 564
 565         /* Set pixbuf */
 566         g_object_set (rendobj, "pixbuf", pixbuf, NULL);
 567         if (has_children && (pixbuf != NULL)) {
 568                 GdkPixbuf *open_pixbuf, *closed_pixbuf;
 569                 GdkPixbuf *open_emblem, *closed_emblem;
 570                 open_pixbuf = gdk_pixbuf_copy (pixbuf);
 571                 closed_pixbuf = gdk_pixbuf_copy (pixbuf);
 572                 open_emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp");
 573                 closed_emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp");
 574
 575                 if (open_emblem) {
 576                         gdk_pixbuf_composite (open_emblem, open_pixbuf, 0, 0,
 577                                               MIN (gdk_pixbuf_get_width (open_emblem),
 578                                                    gdk_pixbuf_get_width (open_pixbuf)),
 579                                               MIN (gdk_pixbuf_get_height (open_emblem),
 580                                                    gdk_pixbuf_get_height (open_pixbuf)),
 581                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
 582                         g_object_set (rendobj, "pixbuf-expander-open", open_pixbuf, NULL);
 583                         g_object_unref (open_emblem);
 584                 }
 585                 if (closed_emblem) {
 586                         gdk_pixbuf_composite (closed_emblem, closed_pixbuf, 0, 0,
 587                                               MIN (gdk_pixbuf_get_width (closed_emblem),
 588                                                    gdk_pixbuf_get_width (closed_pixbuf)),
 589                                               MIN (gdk_pixbuf_get_height (closed_emblem),
 590                                                    gdk_pixbuf_get_height (closed_pixbuf)),
 591                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
 592                         g_object_set (rendobj, "pixbuf-expander-closed", closed_pixbuf, NULL);
 593                         g_object_unref (closed_emblem);
 594                 }
 595                 if (closed_pixbuf)
 596                         g_object_unref (closed_pixbuf);
 597                 if (open_pixbuf)
 598                         g_object_unref (open_pixbuf);
 599         }
 600
 601         if (pixbuf != NULL)
 602                 g_object_unref (pixbuf);
 603 }
 604
 605 static void
 606 add_columns (GtkWidget *treeview)
 607 {
 608         GtkTreeViewColumn *column;
 609         GtkCellRenderer *renderer;
 610         GtkTreeSelection *sel;
 611
 612         /* Create column */
 613         column = gtk_tree_view_column_new ();
 614
 615         /* Set icon and text render function */
 616         renderer = gtk_cell_renderer_pixbuf_new();
 617         gtk_tree_view_column_pack_start (column, renderer, FALSE);
 618         gtk_tree_view_column_set_cell_data_func(column, renderer,
 619                                                 icon_cell_data, treeview, NULL);
 620
 621         renderer = gtk_cell_renderer_text_new();
 622         g_object_set (renderer, "ellipsize", PANGO_ELLIPSIZE_END,
 623                         "ellipsize-set", TRUE, NULL);
 624         gtk_tree_view_column_pack_start (column, renderer, TRUE);
 625         gtk_tree_view_column_set_cell_data_func(column, renderer,
 626                                                 text_cell_data, treeview, NULL);
 627
 628         /* Set selection mode */
 629         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(treeview));
 630         gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
 631
 632         /* Set treeview appearance */
 633         gtk_tree_view_column_set_spacing (column, 2);
 634         gtk_tree_view_column_set_resizable (column, TRUE);
 635         gtk_tree_view_column_set_fixed_width (column, TRUE);
 636         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(treeview), FALSE);
 637         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(treeview), FALSE);
 638
 639         /* Add column */
 640         gtk_tree_view_append_column (GTK_TREE_VIEW(treeview),column);
 641 }
 642
 643 static void
 644 modest_folder_view_init (ModestFolderView *obj)
 645 {
 646         ModestFolderViewPrivate *priv;
 647         ModestConf *conf;
 648
 649         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 650
 651         priv->timer_expander = 0;
 652         priv->account_store  = NULL;
 653         priv->query          = NULL;
 654         priv->style          = MODEST_FOLDER_VIEW_STYLE_SHOW_ALL;
 655         priv->cur_folder_store   = NULL;
 656         priv->visible_account_id = NULL;
 657         priv->folder_to_select = NULL;
 658
 659         priv->reexpand = TRUE;
 660
 661         /* Initialize the local account name */
 662         conf = modest_runtime_get_conf();
 663         priv->local_account_name = modest_conf_get_string (conf, MODEST_CONF_DEVICE_NAME, NULL);
 664
 665         /* Init email clipboard */
 666         priv->clipboard = modest_runtime_get_email_clipboard ();
 667         priv->hidding_ids = NULL;
 668         priv->n_selected = 0;
 669         priv->reselect = FALSE;
 670         priv->show_non_move = TRUE;
 671
 672         /* Build treeview */
 673         add_columns (GTK_WIDGET (obj));
 674
 675         /* Setup drag and drop */
 676         setup_drag_and_drop (GTK_TREE_VIEW(obj));
 677
 678         /* Connect signals */
 679         g_signal_connect (G_OBJECT (obj),
 680                           "key-press-event",
 681                           G_CALLBACK (on_key_pressed), NULL);
 682
 683         priv->display_name_changed_signal =
 684                 g_signal_connect (modest_runtime_get_account_mgr (),
 685                                   "display_name_changed",
 686                                   G_CALLBACK (on_display_name_changed),
 687                                   obj);
 688
 689         /*
 690          * Track changes in the local account name (in the device it
 691          * will be the device name)
 692          */
 693         priv->conf_key_signal = g_signal_connect (G_OBJECT(conf),
 694                                                   "key_changed",
 695                                                   G_CALLBACK(on_configuration_key_changed),
 696                                                   obj);
 697 }
 698
 699 static void
 700 tny_account_store_view_init (gpointer g, gpointer iface_data)
 701 {
 702         TnyAccountStoreViewIface *klass = (TnyAccountStoreViewIface *)g;
 703
 704         klass->set_account_store_func = modest_folder_view_set_account_store;
 705
 706         return;
 707 }
 708
 709 static void
 710 modest_folder_view_finalize (GObject *obj)
 711 {
 712         ModestFolderViewPrivate *priv;
 713         GtkTreeSelection    *sel;
 714
 715         g_return_if_fail (obj);
 716
 717         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
 718
 719         if (priv->timer_expander != 0) {
 720                 g_source_remove (priv->timer_expander);
 721                 priv->timer_expander = 0;
 722         }
 723
 724         if (priv->account_store) {
 725                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 726                                              priv->account_inserted_signal);
 727                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 728                                              priv->account_removed_signal);
 729                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
 730                                              priv->account_changed_signal);
 731                 g_object_unref (G_OBJECT(priv->account_store));
 732                 priv->account_store = NULL;
 733         }
 734
 735         if (priv->query) {
 736                 g_object_unref (G_OBJECT (priv->query));
 737                 priv->query = NULL;
 738         }
 739
 740 /*      modest_folder_view_disable_next_folder_selection (MODEST_FOLDER_VIEW(obj)); */
 741         if (priv->folder_to_select) {
 742                 g_object_unref (G_OBJECT(priv->folder_to_select));
 743                 priv->folder_to_select = NULL;
 744         }
 745
 746         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
 747         if (sel)
 748                 g_signal_handler_disconnect (G_OBJECT(sel), priv->changed_signal);
 749
 750         g_free (priv->local_account_name);
 751         g_free (priv->visible_account_id);
 752
 753         if (priv->conf_key_signal) {
 754                 g_signal_handler_disconnect (modest_runtime_get_conf (),
 755                                              priv->conf_key_signal);
 756                 priv->conf_key_signal = 0;
 757         }
 758
 759         if (priv->cur_folder_store) {
 760                 if (TNY_IS_FOLDER(priv->cur_folder_store))
 761                         tny_folder_sync (TNY_FOLDER(priv->cur_folder_store), FALSE, NULL);
 762                         /* FALSE --> expunge the message */
 763
 764                 g_object_unref (priv->cur_folder_store);
 765                 priv->cur_folder_store = NULL;
 766         }
 767
 768         /* Clear hidding array created by cut operation */
 769         _clear_hidding_filter (MODEST_FOLDER_VIEW (obj));
 770
 771         G_OBJECT_CLASS(parent_class)->finalize (obj);
 772 }
 773
 774
 775 static void
 776 modest_folder_view_set_account_store (TnyAccountStoreView *self, TnyAccountStore *account_store)
 777 {
 778         ModestFolderViewPrivate *priv;
 779         TnyDevice *device;
 780
 781         g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
 782         g_return_if_fail (TNY_IS_ACCOUNT_STORE (account_store));
 783
 784         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 785         device = tny_account_store_get_device (account_store);
 786
 787         if (G_UNLIKELY (priv->account_store)) {
 788
 789                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
 790                                                    priv->account_inserted_signal))
 791                         g_signal_handler_disconnect (G_OBJECT (priv->account_store),
 792                                                      priv->account_inserted_signal);
 793                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
 794                                                    priv->account_removed_signal))
 795                         g_signal_handler_disconnect (G_OBJECT (priv->account_store),
 796                                                      priv->account_removed_signal);
 797                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
 798                                                    priv->account_changed_signal))
 799                         g_signal_handler_disconnect (G_OBJECT (priv->account_store),
 800                                                      priv->account_changed_signal);
 801                 g_object_unref (G_OBJECT (priv->account_store));
 802         }
 803
 804         priv->account_store = g_object_ref (G_OBJECT (account_store));
 805
 806         priv->account_removed_signal =
 807                 g_signal_connect (G_OBJECT(account_store), "account_removed",
 808                                   G_CALLBACK (on_account_removed), self);
 809
 810         priv->account_inserted_signal =
 811                 g_signal_connect (G_OBJECT(account_store), "account_inserted",
 812                                   G_CALLBACK (on_account_inserted), self);
 813
 814         priv->account_changed_signal =
 815                 g_signal_connect (G_OBJECT(account_store), "account_changed",
 816                                   G_CALLBACK (on_account_changed), self);
 817
 818         modest_folder_view_update_model (MODEST_FOLDER_VIEW (self), account_store);
 819
 820         g_object_unref (G_OBJECT (device));
 821 }
 822
 823 static void
 824 on_connection_status_changed (TnyAccount *self,
 825                               TnyConnectionStatus status,
 826                               gpointer user_data)
 827 {
 828         /* If the account becomes online then refresh it */
 829         if (status == TNY_CONNECTION_STATUS_CONNECTED) {
 830                 const gchar *acc_name;
 831                 GtkWidget *my_window;
 832
 833                 my_window = gtk_widget_get_ancestor (GTK_WIDGET (user_data), MODEST_TYPE_WINDOW);
 834                 acc_name = modest_tny_account_get_parent_modest_account_name_for_server_account (self);
 835                 modest_ui_actions_do_send_receive (acc_name, MODEST_WINDOW (my_window));
 836         }
 837 }
 838
 839 static void
 840 on_account_inserted (TnyAccountStore *account_store,
 841                      TnyAccount *account,
 842                      gpointer user_data)
 843 {
 844         ModestFolderViewPrivate *priv;
 845         GtkTreeModel *sort_model, *filter_model;
 846
 847         /* Ignore transport account insertions, we're not showing them
 848            in the folder view */
 849         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 850                 return;
 851
 852         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (user_data);
 853
 854         /* If we're adding a new account, and there is no previous
 855            one, we need to select the visible server account */
 856         if (priv->style == MODEST_FOLDER_VIEW_STYLE_SHOW_ONE &&
 857             !priv->visible_account_id)
 858                 modest_widget_memory_restore (modest_runtime_get_conf(),
 859                                               G_OBJECT (user_data),
 860                                               MODEST_CONF_FOLDER_VIEW_KEY);
 861
 862         /* Get the inner model */
 863         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (user_data));
 864         sort_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filter_model));
 865
 866         /* Insert the account in the model */
 867         tny_list_append (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
 868                          G_OBJECT (account));
 869
 870
 871         /* When the store account gets online refresh it */
 872         g_signal_connect (account, "connection_status_changed",
 873                           G_CALLBACK (on_connection_status_changed),
 874                           MODEST_FOLDER_VIEW (user_data));
 875
 876         /* Refilter the model */
 877         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (filter_model));
 878 }
 879
 880
 881 static void
 882 on_account_changed (TnyAccountStore *account_store,
 883                     TnyAccount *tny_account,
 884                     gpointer user_data)
 885 {
 886         /* do nothing */
 887         ModestFolderViewPrivate *priv;
 888         GtkTreeModel *sort_model, *filter_model;
 889
 890         /* Ignore transport account insertions, we're not showing them
 891            in the folder view */
 892         if (TNY_IS_TRANSPORT_ACCOUNT (tny_account))
 893                 return;
 894
 895         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (user_data);
 896
 897         /* Get the inner model */
 898         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (user_data));
 899         sort_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filter_model));
 900
 901         /* Remove the account from the model */
 902         tny_list_remove (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
 903                          G_OBJECT (tny_account));
 904
 905         /* Insert the account in the model */
 906         tny_list_append (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
 907                          G_OBJECT (tny_account));
 908
 909         /* Refilter the model */
 910         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (filter_model));
 911 }
 912
 913
 914
 915 static void
 916 on_account_removed (TnyAccountStore *account_store,
 917                     TnyAccount *account,
 918                     gpointer user_data)
 919 {
 920         ModestFolderView *self = NULL;
 921         ModestFolderViewPrivate *priv;
 922         GtkTreeModel *sort_model, *filter_model;
 923         GtkTreeSelection *sel = NULL;
 924
 925         /* Ignore transport account removals, we're not showing them
 926            in the folder view */
 927         if (TNY_IS_TRANSPORT_ACCOUNT (account))
 928                 return;
 929
 930         self = MODEST_FOLDER_VIEW (user_data);
 931         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
 932
 933         /* Invalidate the cur_folder_store only if the selected folder
 934            belongs to the account that is being removed */
 935         if (priv->cur_folder_store) {
 936                 TnyAccount *selected_folder_account = NULL;
 937
 938                 if (TNY_IS_FOLDER (priv->cur_folder_store)) {
 939                         selected_folder_account =
 940                                 tny_folder_get_account (TNY_FOLDER (priv->cur_folder_store));
 941                 } else {
 942                         selected_folder_account =
 943                                 TNY_ACCOUNT (g_object_ref (priv->cur_folder_store));
 944                 }
 945
 946                 if (selected_folder_account == account) {
 947                         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
 948                         gtk_tree_selection_unselect_all (sel);
 949                 }
 950                 g_object_unref (selected_folder_account);
 951         }
 952
 953         /* Invalidate row to select only if the folder to select
 954            belongs to the account that is being removed*/
 955         if (priv->folder_to_select) {
 956                 TnyAccount *folder_to_select_account = NULL;
 957
 958                 folder_to_select_account = tny_folder_get_account (priv->folder_to_select);
 959                 if (folder_to_select_account == account) {
 960 /*                      modest_folder_view_disable_next_folder_selection (self); */
 961                         g_object_unref (priv->folder_to_select);
 962                         priv->folder_to_select = NULL;
 963                 }
 964                 g_object_unref (folder_to_select_account);
 965         }
 966
 967         /* Remove the account from the model */
 968         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
 969         sort_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filter_model));
 970         tny_list_remove (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
 971                          G_OBJECT (account));
 972
 973         /* If the removed account is the currently viewed one then
 974            clear the configuration value. The new visible account will be the default account */
 975         if (priv->visible_account_id &&
 976             !strcmp (priv->visible_account_id, tny_account_get_id (account))) {
 977
 978                 /* Clear the current visible account_id */
 979                 modest_folder_view_set_account_id_of_visible_server_account (self, NULL);
 980
 981                 /* Call the restore method, this will set the new visible account */
 982                 modest_widget_memory_restore (modest_runtime_get_conf(), G_OBJECT(self),
 983                                               MODEST_CONF_FOLDER_VIEW_KEY);
 984         }
 985
 986         /* Refilter the model */
 987         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (filter_model));
 988
 989         /* Select the first INBOX if the currently selected folder
 990            belongs to the account that is being deleted */
 991         if (priv->cur_folder_store) {
 992                 TnyAccount *folder_selected_account;
 993
 994                 folder_selected_account = (TNY_IS_FOLDER (priv->cur_folder_store)) ?
 995                         modest_tny_folder_get_account (TNY_FOLDER (priv->cur_folder_store)) :
 996                         TNY_ACCOUNT (g_object_ref (priv->cur_folder_store));
 997                 if (account == folder_selected_account)
 998                         modest_folder_view_select_first_inbox_or_local (self);
 999                 g_object_unref (folder_selected_account);
1000         }
1001 }
1002
1003 void
1004 modest_folder_view_set_title (ModestFolderView *self, const gchar *title)
1005 {
1006         GtkTreeViewColumn *col;
1007
1008         g_return_if_fail (self);
1009
1010         col = gtk_tree_view_get_column (GTK_TREE_VIEW(self), 0);
1011         if (!col) {
1012                 g_printerr ("modest: failed get column for title\n");
1013                 return;
1014         }
1015
1016         gtk_tree_view_column_set_title (col, title);
1017         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
1018                                            title != NULL);
1019 }
1020
1021 static gboolean
1022 modest_folder_view_on_map (ModestFolderView *self,
1023                            GdkEventExpose *event,
1024                            gpointer data)
1025 {
1026         ModestFolderViewPrivate *priv;
1027
1028         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
1029
1030         /* This won't happen often */
1031         if (G_UNLIKELY (priv->reselect)) {
1032                 /* Select the first inbox or the local account if not found */
1033
1034                 /* TODO: this could cause a lock at startup, so we
1035                    comment it for the moment. We know that this will
1036                    be a bug, because the INBOX is not selected, but we
1037                    need to rewrite some parts of Modest to avoid the
1038                    deathlock situation */
1039                 /* TODO: check if this is still the case */
1040                 priv->reselect = FALSE;
1041                 modest_folder_view_select_first_inbox_or_local (self);
1042                 /* Notify the display name observers */
1043                 g_signal_emit (G_OBJECT(self),
1044                                signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL], 0,
1045                                NULL);
1046         }
1047
1048         if (priv->reexpand) {
1049                 expand_root_items (self);
1050                 priv->reexpand = FALSE;
1051         }
1052
1053         return FALSE;
1054 }
1055
1056 GtkWidget*
1057 modest_folder_view_new (TnyFolderStoreQuery *query)
1058 {
1059         GObject *self;
1060         ModestFolderViewPrivate *priv;
1061         GtkTreeSelection *sel;
1062
1063         self = G_OBJECT (g_object_new (MODEST_TYPE_FOLDER_VIEW, NULL));
1064         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
1065
1066         if (query)
1067                 priv->query = g_object_ref (query);
1068
1069         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
1070         priv->changed_signal = g_signal_connect (sel, "changed",
1071                                                  G_CALLBACK (on_selection_changed), self);
1072
1073         g_signal_connect (self, "expose-event", G_CALLBACK (modest_folder_view_on_map), NULL);
1074
1075         return GTK_WIDGET(self);
1076 }
1077
1078 /* this feels dirty; any other way to expand all the root items? */
1079 static void
1080 expand_root_items (ModestFolderView *self)
1081 {
1082         GtkTreePath *path;
1083         GtkTreeModel *model;
1084         GtkTreeIter iter;
1085
1086         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1087         path = gtk_tree_path_new_first ();
1088
1089         /* all folders should have child items, so.. */
1090         do {
1091                 gtk_tree_view_expand_row (GTK_TREE_VIEW(self), path, FALSE);
1092                 gtk_tree_path_next (path);
1093         } while (gtk_tree_model_get_iter (model, &iter, path));
1094
1095         gtk_tree_path_free (path);
1096 }
1097
1098 /*
1099  * We use this function to implement the
1100  * MODEST_FOLDER_VIEW_STYLE_SHOW_ONE style. We only show the default
1101  * account in this case, and the local folders.
1102  */
1103 static gboolean
1104 filter_row (GtkTreeModel *model,
1105             GtkTreeIter *iter,
1106             gpointer data)
1107 {
1108         ModestFolderViewPrivate *priv;
1109         gboolean retval = TRUE;
1110         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
1111         GObject *instance = NULL;
1112         const gchar *id = NULL;
1113         guint i;
1114         gboolean found = FALSE;
1115         gboolean cleared = FALSE;
1116
1117         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (data), FALSE);
1118         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (data);
1119
1120         gtk_tree_model_get (model, iter,
1121                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
1122                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
1123                             -1);
1124
1125         /* Do not show if there is no instance, this could indeed
1126            happen when the model is being modified while it's being
1127            drawn. This could occur for example when moving folders
1128            using drag&drop */
1129         if (!instance)
1130                 return FALSE;
1131
1132         if (type == TNY_FOLDER_TYPE_ROOT) {
1133                 /* TNY_FOLDER_TYPE_ROOT means that the instance is an
1134                    account instead of a folder. */
1135                 if (TNY_IS_ACCOUNT (instance)) {
1136                         TnyAccount *acc = TNY_ACCOUNT (instance);
1137                         const gchar *account_id = tny_account_get_id (acc);
1138
1139                         /* If it isn't a special folder,
1140                          * don't show it unless it is the visible account: */
1141                         if (priv->style == MODEST_FOLDER_VIEW_STYLE_SHOW_ONE &&
1142                             !modest_tny_account_is_virtual_local_folders (acc) &&
1143                             strcmp (account_id, MODEST_MMC_ACCOUNT_ID)) {
1144
1145                                 /* Show only the visible account id */
1146                                 if (priv->visible_account_id) {
1147                                         if (strcmp (account_id, priv->visible_account_id))
1148                                                 retval = FALSE;
1149                                 } else {
1150                                         retval = FALSE;
1151                                 }
1152                         }
1153
1154                         /* Never show these to the user. They are merged into one folder
1155                          * in the local-folders account instead: */
1156                         if (retval && MODEST_IS_TNY_OUTBOX_ACCOUNT (acc))
1157                                 retval = FALSE;
1158                 }
1159         }
1160
1161         /* Check hiding (if necessary) */
1162         cleared = modest_email_clipboard_cleared (priv->clipboard);
1163         if ((retval) && (!cleared) && (TNY_IS_FOLDER (instance))) {
1164                 id = tny_folder_get_id (TNY_FOLDER(instance));
1165                 if (priv->hidding_ids != NULL)
1166                         for (i=0; i < priv->n_selected && !found; i++)
1167                                 if (priv->hidding_ids[i] != NULL && id != NULL)
1168                                         found = (!strcmp (priv->hidding_ids[i], id));
1169
1170                 retval = !found;
1171         }
1172
1173
1174         /* If this is a move to dialog, hide Sent, Outbox and Drafts
1175         folder as no message can be move there according to UI specs */
1176         if (!priv->show_non_move) {
1177                 switch (type) {
1178                         case TNY_FOLDER_TYPE_OUTBOX:
1179                         case TNY_FOLDER_TYPE_SENT:
1180                         case TNY_FOLDER_TYPE_DRAFTS:
1181                                 retval = FALSE;
1182                                 break;
1183                         case TNY_FOLDER_TYPE_UNKNOWN:
1184                         case TNY_FOLDER_TYPE_NORMAL:
1185                                 type = modest_tny_folder_guess_folder_type(TNY_FOLDER(instance));
1186                                 if (type == TNY_FOLDER_TYPE_INVALID)
1187                                         g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
1188
1189                                 if (type == TNY_FOLDER_TYPE_OUTBOX ||
1190                                     type == TNY_FOLDER_TYPE_SENT
1191                                     || type == TNY_FOLDER_TYPE_DRAFTS)
1192                                         retval = FALSE;
1193                                 break;
1194                         default:
1195                                 break;
1196                 }
1197         }
1198
1199         /* Free */
1200         g_object_unref (instance);
1201
1202         return retval;
1203 }
1204
1205
1206 gboolean
1207 modest_folder_view_update_model (ModestFolderView *self,
1208                                  TnyAccountStore *account_store)
1209 {
1210         ModestFolderViewPrivate *priv;
1211         GtkTreeModel *model /* , *old_model */;
1212         GtkTreeModel *filter_model = NULL, *sortable = NULL;
1213
1214         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (self), FALSE);
1215         g_return_val_if_fail (account_store, FALSE);
1216
1217         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
1218
1219         /* Notify that there is no folder selected */
1220         g_signal_emit (G_OBJECT(self),
1221                        signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
1222                        NULL, FALSE);
1223         if (priv->cur_folder_store) {
1224                 g_object_unref (priv->cur_folder_store);
1225                 priv->cur_folder_store = NULL;
1226         }
1227
1228         /* FIXME: the local accounts are not shown when the query
1229            selects only the subscribed folders */
1230         model        = tny_gtk_folder_store_tree_model_new (NULL);
1231
1232         /* Get the accounts: */
1233         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
1234                                         TNY_LIST (model),
1235                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
1236
1237         sortable = gtk_tree_model_sort_new_with_model (model);
1238         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
1239                                               TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
1240                                               GTK_SORT_ASCENDING);
1241         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sortable),
1242                                          TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
1243                                          cmp_rows, NULL, NULL);
1244
1245         /* Create filter model */
1246         filter_model = gtk_tree_model_filter_new (sortable, NULL);
1247         gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (filter_model),
1248                                                 filter_row,
1249                                                 self,
1250                                                 NULL);
1251
1252         /* Set new model */
1253         gtk_tree_view_set_model (GTK_TREE_VIEW(self), filter_model);
1254         g_signal_connect (G_OBJECT(filter_model), "row-inserted",
1255                           (GCallback) on_row_inserted_maybe_select_folder, self);
1256
1257
1258         g_object_unref (model);
1259         g_object_unref (filter_model);
1260         g_object_unref (sortable);
1261
1262         /* Force a reselection of the INBOX next time the widget is shown */
1263         priv->reselect = TRUE;
1264
1265         return TRUE;
1266 }
1267
1268
1269 static void
1270 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
1271 {
1272         GtkTreeModel *model = NULL;
1273         TnyFolderStore *folder = NULL;
1274         GtkTreeIter iter;
1275         ModestFolderView *tree_view = NULL;
1276         ModestFolderViewPrivate *priv = NULL;
1277         gboolean selected = FALSE;
1278
1279         g_return_if_fail (sel);
1280         g_return_if_fail (user_data);
1281
1282         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
1283
1284         selected = gtk_tree_selection_get_selected (sel, &model, &iter);
1285
1286         /* Notify the display name observers */
1287         g_signal_emit (G_OBJECT(user_data),
1288                        signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL], 0,
1289                        NULL);
1290
1291         tree_view = MODEST_FOLDER_VIEW (user_data);
1292
1293         if (selected) {
1294                 gtk_tree_model_get (model, &iter,
1295                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
1296                                     -1);
1297
1298                 /* If the folder is the same do not notify */
1299                 if (folder && priv->cur_folder_store == folder) {
1300                         g_object_unref (folder);
1301                         return;
1302                 }
1303         }
1304
1305         /* Current folder was unselected */
1306         if (priv->cur_folder_store) {
1307                 g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
1308                        priv->cur_folder_store, FALSE);
1309
1310                 if (TNY_IS_FOLDER(priv->cur_folder_store))
1311                         tny_folder_sync_async (TNY_FOLDER(priv->cur_folder_store),
1312                                                FALSE, NULL, NULL, NULL);
1313
1314                 /* FALSE --> don't expunge the messages */
1315
1316                 g_object_unref (priv->cur_folder_store);
1317                 priv->cur_folder_store = NULL;
1318         }
1319
1320         /* New current references */
1321         priv->cur_folder_store = folder;
1322
1323         /* New folder has been selected */
1324         g_signal_emit (G_OBJECT(tree_view),
1325                        signals[FOLDER_SELECTION_CHANGED_SIGNAL],
1326                        0, priv->cur_folder_store, TRUE);
1327 }
1328
1329 TnyFolderStore *
1330 modest_folder_view_get_selected (ModestFolderView *self)
1331 {
1332         ModestFolderViewPrivate *priv;
1333
1334         g_return_val_if_fail (self, NULL);
1335
1336         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
1337         if (priv->cur_folder_store)
1338                 g_object_ref (priv->cur_folder_store);
1339
1340         return priv->cur_folder_store;
1341 }
1342
1343 static gint
1344 get_cmp_rows_type_pos (GObject *folder)
1345 {
1346         /* Remote accounts -> Local account -> MMC account .*/
1347         /* 0, 1, 2 */
1348
1349         if (TNY_IS_ACCOUNT (folder) &&
1350                 modest_tny_account_is_virtual_local_folders (
1351                         TNY_ACCOUNT (folder))) {
1352                 return 1;
1353         } else if (TNY_IS_ACCOUNT (folder)) {
1354                 TnyAccount *account = TNY_ACCOUNT (folder);
1355                 const gchar *account_id = tny_account_get_id (account);
1356                 if (!strcmp (account_id, MODEST_MMC_ACCOUNT_ID))
1357                         return 2;
1358                 else
1359                         return 0;
1360         }
1361         else {
1362                 printf ("DEBUG: %s: unexpected type.\n", __FUNCTION__);
1363                 return -1; /* Should never happen */
1364         }
1365 }
1366
1367 static gint
1368 get_cmp_subfolder_type_pos (TnyFolderType t)
1369 {
1370         /* Inbox, Outbox, Drafts, Sent, User */
1371         /* 0, 1, 2, 3, 4 */
1372
1373         switch (t) {
1374         case TNY_FOLDER_TYPE_INBOX:
1375                 return 0;
1376                 break;
1377         case TNY_FOLDER_TYPE_OUTBOX:
1378                 return 1;
1379                 break;
1380         case TNY_FOLDER_TYPE_DRAFTS:
1381                 return 2;
1382                 break;
1383         case TNY_FOLDER_TYPE_SENT:
1384                 return 3;
1385                 break;
1386         default:
1387                 return 4;
1388         }
1389 }
1390
1391 /*
1392  * This function orders the mail accounts according to these rules:
1393  * 1st - remote accounts
1394  * 2nd - local account
1395  * 3rd - MMC account
1396  */
1397 static gint
1398 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
1399           gpointer user_data)
1400 {
1401         gint cmp = 0;
1402         gchar *name1 = NULL;
1403         gchar *name2 = NULL;
1404         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
1405         TnyFolderType type2 = TNY_FOLDER_TYPE_UNKNOWN;
1406         GObject *folder1 = NULL;
1407         GObject *folder2 = NULL;
1408
1409         gtk_tree_model_get (tree_model, iter1,
1410                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name1,
1411                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
1412                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder1,
1413                             -1);
1414         gtk_tree_model_get (tree_model, iter2,
1415                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name2,
1416                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type2,
1417                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder2,
1418                             -1);
1419
1420         /* Return if we get no folder. This could happen when folder
1421            operations are happening. The model is updated after the
1422            folder copy/move actually occurs, so there could be
1423            situations where the model to be drawn is not correct */
1424         if (!folder1 || !folder2)
1425                 goto finish;
1426
1427         if (type == TNY_FOLDER_TYPE_ROOT) {
1428                 /* Compare the types, so that
1429                  * Remote accounts -> Local account -> MMC account .*/
1430                 const gint pos1 = get_cmp_rows_type_pos (folder1);
1431                 const gint pos2 = get_cmp_rows_type_pos (folder2);
1432                 /* printf ("DEBUG: %s:\n  type1=%s, pos1=%d\n  type2=%s, pos2=%d\n",
1433                         __FUNCTION__, G_OBJECT_TYPE_NAME(folder1), pos1, G_OBJECT_TYPE_NAME(folder2), pos2); */
1434                 if (pos1 <  pos2)
1435                         cmp = -1;
1436                 else if (pos1 > pos2)
1437                         cmp = 1;
1438                 else {
1439                         /* Compare items of the same type: */
1440
1441                         TnyAccount *account1 = NULL;
1442                         if (TNY_IS_ACCOUNT (folder1))
1443                                 account1 = TNY_ACCOUNT (folder1);
1444
1445                         TnyAccount *account2 = NULL;
1446                         if (TNY_IS_ACCOUNT (folder2))
1447                                 account2 = TNY_ACCOUNT (folder2);
1448
1449                         const gchar *account_id = account1 ? tny_account_get_id (account1) : NULL;
1450                         const gchar *account_id2 = account2 ? tny_account_get_id (account2) : NULL;
1451
1452                         if (!account_id && !account_id2) {
1453                                 cmp = 0;
1454                         } else if (!account_id) {
1455                                 cmp = -1;
1456                         } else if (!account_id2) {
1457                                 cmp = +1;
1458                         } else if (!strcmp (account_id, MODEST_MMC_ACCOUNT_ID)) {
1459                                 cmp = +1;
1460                         } else {
1461                                 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
1462                         }
1463                 }
1464         } else {
1465                 gint cmp1 = 0, cmp2 = 0;
1466                 /* get the parent to know if it's a local folder */
1467
1468                 GtkTreeIter parent;
1469                 gboolean has_parent;
1470                 has_parent = gtk_tree_model_iter_parent (tree_model, &parent, iter1);
1471                 if (has_parent) {
1472                         GObject *parent_folder;
1473                         TnyFolderType parent_type = TNY_FOLDER_TYPE_UNKNOWN;
1474                         gtk_tree_model_get (tree_model, &parent,
1475                                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &parent_type,
1476                                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &parent_folder,
1477                                             -1);
1478                         if ((parent_type == TNY_FOLDER_TYPE_ROOT) &&
1479                             TNY_IS_ACCOUNT (parent_folder) &&
1480                             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1481                                 cmp1 = get_cmp_subfolder_type_pos (modest_tny_folder_get_local_or_mmc_folder_type
1482                                                                    (TNY_FOLDER (folder1)));
1483                                 cmp2 = get_cmp_subfolder_type_pos (modest_tny_folder_get_local_or_mmc_folder_type
1484                                                                    (TNY_FOLDER (folder2)));
1485                         }
1486                         g_object_unref (parent_folder);
1487                 }
1488
1489                 /* if they are not local folders */
1490                 if (cmp1 == cmp2) {
1491                         cmp1 = get_cmp_subfolder_type_pos (tny_folder_get_folder_type (TNY_FOLDER (folder1)));
1492                         cmp2 = get_cmp_subfolder_type_pos (tny_folder_get_folder_type (TNY_FOLDER (folder2)));
1493                 }
1494
1495                 if (cmp1 == cmp2)
1496                         cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
1497                 else
1498                         cmp = (cmp1 - cmp2);
1499         }
1500
1501 finish:
1502         if (folder1)
1503                 g_object_unref(G_OBJECT(folder1));
1504         if (folder2)
1505                 g_object_unref(G_OBJECT(folder2));
1506
1507         g_free (name1);
1508         g_free (name2);
1509
1510         return cmp;
1511 }
1512
1513 /*****************************************************************************/
1514 /*                        DRAG and DROP stuff                                */
1515 /*****************************************************************************/
1516 /*
1517  * This function fills the #GtkSelectionData with the row and the
1518  * model that has been dragged. It's called when this widget is a
1519  * source for dnd after the event drop happened
1520  */
1521 static void
1522 on_drag_data_get (GtkWidget *widget,
1523                   GdkDragContext *context,
1524                   GtkSelectionData *selection_data,
1525                   guint info,
1526                   guint time,
1527                   gpointer data)
1528 {
1529         GtkTreeSelection *selection;
1530         GtkTreeModel *model;
1531         GtkTreeIter iter;
1532         GtkTreePath *source_row;
1533
1534         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
1535         gtk_tree_selection_get_selected (selection, &model, &iter);
1536         source_row = gtk_tree_model_get_path (model, &iter);
1537
1538         gtk_tree_set_row_drag_data (selection_data,
1539                                     model,
1540                                     source_row);
1541
1542         gtk_tree_path_free (source_row);
1543 }
1544
1545 typedef struct _DndHelper {
1546         gboolean delete_source;
1547         GtkTreePath *source_row;
1548         GdkDragContext *context;
1549         guint time;
1550 } DndHelper;
1551
1552
1553 /*
1554  * This function is the callback of the
1555  * modest_mail_operation_xfer_msgs () and
1556  * modest_mail_operation_xfer_folder() calls. We check here if the
1557  * message/folder was correctly asynchronously transferred. The reason
1558  * to use the same callback is that the code is the same, it only has
1559  * to check that the operation went fine and then finalize the drag
1560  * and drop action
1561  */
1562 static void
1563 xfer_cb (ModestMailOperation *mail_op,
1564          gpointer user_data)
1565 {
1566         gboolean success;
1567         DndHelper *helper;
1568
1569         helper = (DndHelper *) user_data;
1570
1571         if (modest_mail_operation_get_status (mail_op) ==
1572             MODEST_MAIL_OPERATION_STATUS_SUCCESS) {
1573                 success = TRUE;
1574         } else {
1575                 success = FALSE;
1576         }
1577
1578         /* Notify the drag source. Never call delete, the monitor will
1579            do the job if needed */
1580         gtk_drag_finish (helper->context, success, FALSE, helper->time);
1581
1582         /* Free the helper */
1583         gtk_tree_path_free (helper->source_row);
1584         g_slice_free (DndHelper, helper);
1585 }
1586
1587 /* get the folder for the row the treepath refers to. */
1588 /* folder must be unref'd */
1589 static TnyFolderStore *
1590 tree_path_to_folder (GtkTreeModel *model, GtkTreePath *path)
1591 {
1592         GtkTreeIter iter;
1593         TnyFolderStore *folder = NULL;
1594
1595         if (gtk_tree_model_get_iter (model,&iter, path))
1596                 gtk_tree_model_get (model, &iter,
1597                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
1598                                     -1);
1599         return folder;
1600 }
1601
1602 /*
1603  * This function is used by drag_data_received_cb to manage drag and
1604  * drop of a header, i.e, and drag from the header view to the folder
1605  * view.
1606  */
1607 static void
1608 drag_and_drop_from_header_view (GtkTreeModel *source_model,
1609                                 GtkTreeModel *dest_model,
1610                                 GtkTreePath  *dest_row,
1611                                 GtkSelectionData *selection_data,
1612                                 DndHelper    *helper)
1613 {
1614         TnyList *headers = NULL;
1615         TnyFolder *folder = NULL;
1616         TnyFolderType folder_type;
1617         ModestMailOperation *mail_op = NULL;
1618         GtkTreeIter source_iter, dest_iter;
1619         ModestWindowMgr *mgr = NULL;
1620         ModestWindow *main_win = NULL;
1621         gchar **uris, **tmp;
1622         gint response;
1623
1624         /* Build the list of headers */
1625         mgr = modest_runtime_get_window_mgr ();
1626         headers = tny_simple_list_new ();
1627         uris = modest_dnd_selection_data_get_paths (selection_data);
1628         tmp = uris;
1629
1630         while (*tmp != NULL) {
1631                 TnyHeader *header;
1632                 GtkTreePath *path;
1633
1634                 /* Get header */
1635                 path = gtk_tree_path_new_from_string (*tmp);
1636                 gtk_tree_model_get_iter (source_model, &source_iter, path);
1637                 gtk_tree_model_get (source_model, &source_iter,
1638                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
1639                                     &header, -1);
1640
1641                 /* Do not enable d&d of headers already opened */
1642                 if (!modest_window_mgr_find_registered_header(mgr, header, NULL))
1643                         tny_list_append (headers, G_OBJECT (header));
1644
1645                 /* Free and go on */
1646                 gtk_tree_path_free (path);
1647                 g_object_unref (header);
1648                 tmp++;
1649         }
1650         g_strfreev (uris);
1651
1652         /* Get the target folder */
1653         gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
1654         gtk_tree_model_get (dest_model, &dest_iter,
1655                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
1656                             &folder, -1);
1657
1658         if (!folder || !TNY_IS_FOLDER(folder)) {
1659 /*              g_warning ("%s: not a valid target folder (%p)", __FUNCTION__, folder); */
1660                 goto cleanup;
1661         }
1662
1663         folder_type = modest_tny_folder_guess_folder_type (folder);
1664         if (folder_type == TNY_FOLDER_TYPE_INVALID) {
1665 /*              g_warning ("%s: invalid target folder", __FUNCTION__); */
1666                 goto cleanup;  /* cannot move messages there */
1667         }
1668
1669         if (modest_tny_folder_get_rules((TNY_FOLDER(folder))) & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
1670 /*              g_warning ("folder not writable"); */
1671                 goto cleanup; /* verboten! */
1672         }
1673
1674         /* Ask for confirmation to move */
1675         main_win = modest_window_mgr_get_main_window (mgr, FALSE); /* don't create */
1676         if (!main_win) {
1677                 g_warning ("%s: BUG: no main window found", __FUNCTION__);
1678                 goto cleanup;
1679         }
1680
1681         response = modest_ui_actions_msgs_move_to_confirmation (main_win, folder,
1682                                                                 TRUE, headers);
1683         if (response == GTK_RESPONSE_CANCEL)
1684                 goto cleanup;
1685
1686         /* Transfer messages */
1687         mail_op = modest_mail_operation_new_with_error_handling ((GObject *) main_win,
1688                                                                  modest_ui_actions_move_folder_error_handler,
1689                                                                  NULL, NULL);
1690
1691         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
1692                                          mail_op);
1693
1694         modest_mail_operation_xfer_msgs (mail_op,
1695                                          headers,
1696                                          folder,
1697                                          helper->delete_source,
1698                                          xfer_cb, helper);
1699
1700         /* Frees */
1701 cleanup:
1702         if (G_IS_OBJECT(mail_op))
1703                 g_object_unref (G_OBJECT (mail_op));
1704         if (G_IS_OBJECT(folder))
1705                 g_object_unref (G_OBJECT (folder));
1706         if (G_IS_OBJECT(headers))
1707                 g_object_unref (headers);
1708 }
1709
1710 /*
1711  * This function is used by drag_data_received_cb to manage drag and
1712  * drop of a folder, i.e, and drag from the folder view to the same
1713  * folder view.
1714  */
1715 static void
1716 drag_and_drop_from_folder_view (GtkTreeModel     *source_model,
1717                                 GtkTreeModel     *dest_model,
1718                                 GtkTreePath      *dest_row,
1719                                 GtkSelectionData *selection_data,
1720                                 DndHelper        *helper)
1721 {
1722         ModestMailOperation *mail_op = NULL;
1723         GtkTreeIter dest_iter, iter;
1724         TnyFolderStore *dest_folder = NULL;
1725         TnyFolderStore *folder = NULL;
1726         gboolean forbidden = FALSE;
1727         ModestWindow *win;
1728
1729         win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(), FALSE); /* don't create */
1730         if (!win) {
1731                 g_warning ("%s: BUG: no main window", __FUNCTION__);
1732                 return;
1733         }
1734
1735         if (!forbidden) {
1736                 /* check the folder rules for the destination */
1737                 folder = tree_path_to_folder (dest_model, dest_row);
1738                 if (TNY_IS_FOLDER(folder)) {
1739                         ModestTnyFolderRules rules =
1740                                 modest_tny_folder_get_rules (TNY_FOLDER (folder));
1741                         forbidden = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
1742                 } else if (TNY_IS_FOLDER_STORE(folder)) {
1743                         /* enable local root as destination for folders */
1744                         if (!MODEST_IS_TNY_LOCAL_FOLDERS_ACCOUNT (folder)
1745                                         && TNY_IS_ACCOUNT (folder))
1746                                 forbidden = TRUE;
1747                 }
1748                 g_object_unref (folder);
1749         }
1750         if (!forbidden) {
1751                 /* check the folder rules for the source */
1752                 folder = tree_path_to_folder (source_model, helper->source_row);
1753                 if (TNY_IS_FOLDER(folder)) {
1754                         ModestTnyFolderRules rules =
1755                                 modest_tny_folder_get_rules (TNY_FOLDER (folder));
1756                         forbidden = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
1757                 } else
1758                         forbidden = TRUE;
1759                 g_object_unref (folder);
1760         }
1761
1762
1763         /* Check if the drag is possible */
1764         if (forbidden || !gtk_tree_path_compare (helper->source_row, dest_row)) {
1765                 gtk_drag_finish (helper->context, FALSE, FALSE, helper->time);
1766                 gtk_tree_path_free (helper->source_row);
1767                 g_slice_free (DndHelper, helper);
1768                 return;
1769         }
1770
1771         /* Get data */
1772         gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
1773         gtk_tree_model_get (dest_model, &dest_iter,
1774                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
1775                             &dest_folder, -1);
1776         gtk_tree_model_get_iter (source_model, &iter, helper->source_row);
1777         gtk_tree_model_get (source_model, &iter,
1778                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
1779                             &folder, -1);
1780
1781         /* Offer the connection dialog if necessary, for the destination parent folder and source folder: */
1782         if (modest_platform_connect_and_wait_if_network_folderstore (NULL, dest_folder) &&
1783             modest_platform_connect_and_wait_if_network_folderstore (NULL, TNY_FOLDER_STORE (folder))) {
1784
1785                 /* Do the mail operation */
1786                 mail_op = modest_mail_operation_new_with_error_handling ((GObject *) win,
1787                                                                          modest_ui_actions_move_folder_error_handler,
1788                                                                          folder, NULL);
1789
1790                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
1791                                                  mail_op);
1792
1793                 modest_mail_operation_xfer_folder (mail_op,
1794                                                    TNY_FOLDER (folder),
1795                                                    dest_folder,
1796                                                    helper->delete_source,
1797                                                    xfer_cb,
1798                                                    helper);
1799
1800                 g_object_unref (G_OBJECT (mail_op));
1801         }
1802
1803         /* Frees */
1804         g_object_unref (G_OBJECT (dest_folder));
1805         g_object_unref (G_OBJECT (folder));
1806 }
1807
1808 /*
1809  * This function receives the data set by the "drag-data-get" signal
1810  * handler. This information comes within the #GtkSelectionData. This
1811  * function will manage both the drags of folders of the treeview and
1812  * drags of headers of the header view widget.
1813  */
1814 static void
1815 on_drag_data_received (GtkWidget *widget,
1816                        GdkDragContext *context,
1817                        gint x,
1818                        gint y,
1819                        GtkSelectionData *selection_data,
1820                        guint target_type,
1821                        guint time,
1822                        gpointer data)
1823 {
1824         GtkWidget *source_widget;
1825         GtkTreeModel *dest_model, *source_model;
1826         GtkTreePath *source_row, *dest_row;
1827         GtkTreeViewDropPosition pos;
1828         gboolean success = FALSE, delete_source = FALSE;
1829         DndHelper *helper = NULL;
1830
1831         /* Do not allow further process */
1832         g_signal_stop_emission_by_name (widget, "drag-data-received");
1833         source_widget = gtk_drag_get_source_widget (context);
1834
1835         /* Get the action */
1836         if (context->action == GDK_ACTION_MOVE) {
1837                 delete_source = TRUE;
1838
1839                 /* Notify that there is no folder selected. We need to
1840                    do this in order to update the headers view (and
1841                    its monitors, because when moving, the old folder
1842                    won't longer exist. We can not wait for the end of
1843                    the operation, because the operation won't start if
1844                    the folder is in use */
1845                 if (source_widget == widget) {
1846                         GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
1847                         gtk_tree_selection_unselect_all (sel);
1848                 }
1849         }
1850
1851         /* Check if the get_data failed */
1852         if (selection_data == NULL || selection_data->length < 0)
1853                 gtk_drag_finish (context, success, FALSE, time);
1854
1855         /* Select the destination model */
1856         dest_model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
1857
1858         /* Get the path to the destination row. Can not call
1859            gtk_tree_view_get_drag_dest_row() because the source row
1860            is not selected anymore */
1861         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y,
1862                                            &dest_row, &pos);
1863
1864         /* Only allow drops IN other rows */
1865         if (!dest_row ||
1866             pos == GTK_TREE_VIEW_DROP_BEFORE ||
1867             pos == GTK_TREE_VIEW_DROP_AFTER)
1868                 gtk_drag_finish (context, success, FALSE, time);
1869
1870         /* Create the helper */
1871         helper = g_slice_new0 (DndHelper);
1872         helper->delete_source = delete_source;
1873         helper->context = context;
1874         helper->time = time;
1875
1876         /* Drags from the header view */
1877         if (source_widget != widget) {
1878                 source_model = gtk_tree_view_get_model (GTK_TREE_VIEW (source_widget));
1879
1880                 drag_and_drop_from_header_view (source_model,
1881                                                 dest_model,
1882                                                 dest_row,
1883                                                 selection_data,
1884                                                 helper);
1885         } else {
1886                 /* Get the source model and row */
1887                 gtk_tree_get_row_drag_data (selection_data,
1888                                             &source_model,
1889                                             &source_row);
1890                 helper->source_row = gtk_tree_path_copy (source_row);
1891
1892                 drag_and_drop_from_folder_view (source_model,
1893                                                 dest_model,
1894                                                 dest_row,
1895                                                 selection_data,
1896                                                 helper);
1897
1898                 gtk_tree_path_free (source_row);
1899         }
1900
1901         /* Frees */
1902         gtk_tree_path_free (dest_row);
1903 }
1904
1905 /*
1906  * We define a "drag-drop" signal handler because we do not want to
1907  * use the default one, because the default one always calls
1908  * gtk_drag_finish and we prefer to do it in the "drag-data-received"
1909  * signal handler, because there we have all the information available
1910  * to know if the dnd was a success or not.
1911  */
1912 static gboolean
1913 drag_drop_cb (GtkWidget      *widget,
1914               GdkDragContext *context,
1915               gint            x,
1916               gint            y,
1917               guint           time,
1918               gpointer        user_data)
1919 {
1920         gpointer target;
1921
1922         if (!context->targets)
1923                 return FALSE;
1924
1925         /* Check if we're dragging a folder row */
1926         target = gtk_drag_dest_find_target (widget, context, NULL);
1927
1928         /* Request the data from the source. */
1929         gtk_drag_get_data(widget, context, target, time);
1930
1931     return TRUE;
1932 }
1933
1934 /*
1935  * This function expands a node of a tree view if it's not expanded
1936  * yet. Not sure why it needs the threads stuff, but gtk+`example code
1937  * does that, so that's why they're here.
1938  */
1939 static gint
1940 expand_row_timeout (gpointer data)
1941 {
1942         GtkTreeView *tree_view = data;
1943         GtkTreePath *dest_path = NULL;
1944         GtkTreeViewDropPosition pos;
1945         gboolean result = FALSE;
1946
1947         GDK_THREADS_ENTER ();
1948
1949         gtk_tree_view_get_drag_dest_row (tree_view,
1950                                          &dest_path,
1951                                          &pos);
1952
1953         if (dest_path &&
1954             (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
1955              pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) {
1956                 gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
1957                 gtk_tree_path_free (dest_path);
1958         }
1959         else {
1960                 if (dest_path)
1961                         gtk_tree_path_free (dest_path);
1962
1963                 result = TRUE;
1964         }
1965
1966         GDK_THREADS_LEAVE ();
1967
1968         return result;
1969 }
1970
1971 /*
1972  * This function is called whenever the pointer is moved over a widget
1973  * while dragging some data. It installs a timeout that will expand a
1974  * node of the treeview if not expanded yet. This function also calls
1975  * gdk_drag_status in order to set the suggested action that will be
1976  * used by the "drag-data-received" signal handler to know if we
1977  * should do a move or just a copy of the data.
1978  */
1979 static gboolean
1980 on_drag_motion (GtkWidget      *widget,
1981                 GdkDragContext *context,
1982                 gint            x,
1983                 gint            y,
1984                 guint           time,
1985                 gpointer        user_data)
1986 {
1987         GtkTreeViewDropPosition pos;
1988         GtkTreePath *dest_row;
1989         GtkTreeModel *dest_model;
1990         ModestFolderViewPrivate *priv;
1991         GdkDragAction suggested_action;
1992         gboolean valid_location = FALSE;
1993         TnyFolderStore *folder;
1994
1995         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (widget);
1996
1997         if (priv->timer_expander != 0) {
1998                 g_source_remove (priv->timer_expander);
1999                 priv->timer_expander = 0;
2000         }
2001
2002         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
2003                                            x, y,
2004                                            &dest_row,
2005                                            &pos);
2006
2007         /* Do not allow drops between folders */
2008         if (!dest_row ||
2009             pos == GTK_TREE_VIEW_DROP_BEFORE ||
2010             pos == GTK_TREE_VIEW_DROP_AFTER) {
2011                 gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW (widget), NULL, 0);
2012                 gdk_drag_status(context, 0, time);
2013                 valid_location = FALSE;
2014                 goto out;
2015         } else {
2016                 valid_location = TRUE;
2017         }
2018
2019         /* Check that the destination folder is writable */
2020         dest_model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
2021         folder = tree_path_to_folder (dest_model, dest_row);
2022         if (folder && TNY_IS_FOLDER (folder)) {
2023                 ModestTnyFolderRules rules = modest_tny_folder_get_rules(TNY_FOLDER (folder));
2024
2025                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2026                         valid_location = FALSE;
2027                         goto out;
2028                 }
2029         }
2030         g_object_unref (folder);
2031
2032         /* Expand the selected row after 1/2 second */
2033         if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), dest_row)) {
2034                 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), dest_row, pos);
2035                 priv->timer_expander = g_timeout_add (500, expand_row_timeout, widget);
2036         }
2037
2038         /* Select the desired action. By default we pick MOVE */
2039         suggested_action = GDK_ACTION_MOVE;
2040
2041         if (context->actions == GDK_ACTION_COPY)
2042             gdk_drag_status(context, GDK_ACTION_COPY, time);
2043         else if (context->actions == GDK_ACTION_MOVE)
2044             gdk_drag_status(context, GDK_ACTION_MOVE, time);
2045         else if (context->actions & suggested_action)
2046             gdk_drag_status(context, suggested_action, time);
2047         else
2048             gdk_drag_status(context, GDK_ACTION_DEFAULT, time);
2049
2050  out:
2051         if (dest_row)
2052                 gtk_tree_path_free (dest_row);
2053         g_signal_stop_emission_by_name (widget, "drag-motion");
2054
2055         return valid_location;
2056 }
2057
2058 /*
2059  * This function sets the treeview as a source and a target for dnd
2060  * events. It also connects all the requirede signals.
2061  */
2062 static void
2063 setup_drag_and_drop (GtkTreeView *self)
2064 {
2065         /* Set up the folder view as a dnd destination. Set only the
2066            highlight flag, otherwise gtk will have a different
2067            behaviour */
2068         gtk_drag_dest_set (GTK_WIDGET (self),
2069                            GTK_DEST_DEFAULT_HIGHLIGHT,
2070                            folder_view_drag_types,
2071                            G_N_ELEMENTS (folder_view_drag_types),
2072                            GDK_ACTION_MOVE | GDK_ACTION_COPY);
2073
2074         g_signal_connect (G_OBJECT (self),
2075                           "drag_data_received",
2076                           G_CALLBACK (on_drag_data_received),
2077                           NULL);
2078
2079
2080         /* Set up the treeview as a dnd source */
2081         gtk_drag_source_set (GTK_WIDGET (self),
2082                              GDK_BUTTON1_MASK,
2083                              folder_view_drag_types,
2084                              G_N_ELEMENTS (folder_view_drag_types),
2085                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
2086
2087         g_signal_connect (G_OBJECT (self),
2088                           "drag_motion",
2089                           G_CALLBACK (on_drag_motion),
2090                           NULL);
2091
2092         g_signal_connect (G_OBJECT (self),
2093                           "drag_data_get",
2094                           G_CALLBACK (on_drag_data_get),
2095                           NULL);
2096
2097         g_signal_connect (G_OBJECT (self),
2098                           "drag_drop",
2099                           G_CALLBACK (drag_drop_cb),
2100                           NULL);
2101 }
2102
2103 /*
2104  * This function manages the navigation through the folders using the
2105  * keyboard or the hardware keys in the device
2106  */
2107 static gboolean
2108 on_key_pressed (GtkWidget *self,
2109                 GdkEventKey *event,
2110                 gpointer user_data)
2111 {
2112         GtkTreeSelection *selection;
2113         GtkTreeIter iter;
2114         GtkTreeModel *model;
2115         gboolean retval = FALSE;
2116
2117         /* Up and Down are automatically managed by the treeview */
2118         if (event->keyval == GDK_Return) {
2119                 /* Expand/Collapse the selected row */
2120                 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2121                 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
2122                         GtkTreePath *path;
2123
2124                         path = gtk_tree_model_get_path (model, &iter);
2125
2126                         if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (self), path))
2127                                 gtk_tree_view_collapse_row (GTK_TREE_VIEW (self), path);
2128                         else
2129                                 gtk_tree_view_expand_row (GTK_TREE_VIEW (self), path, FALSE);
2130                         gtk_tree_path_free (path);
2131                 }
2132                 /* No further processing */
2133                 retval = TRUE;
2134         }
2135
2136         return retval;
2137 }
2138
2139 /*
2140  * We listen to the changes in the local folder account name key,
2141  * because we want to show the right name in the view. The local
2142  * folder account name corresponds to the device name in the Maemo
2143  * version. We do this because we do not want to query gconf on each
2144  * tree view refresh. It's better to cache it and change whenever
2145  * necessary.
2146  */
2147 static void
2148 on_configuration_key_changed (ModestConf* conf,
2149                               const gchar *key,
2150                               ModestConfEvent event,
2151                               ModestConfNotificationId id,
2152                               ModestFolderView *self)
2153 {
2154         ModestFolderViewPrivate *priv;
2155
2156
2157         g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
2158         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2159
2160         if (!strcmp (key, MODEST_CONF_DEVICE_NAME)) {
2161                 g_free (priv->local_account_name);
2162
2163                 if (event == MODEST_CONF_EVENT_KEY_UNSET)
2164                         priv->local_account_name = g_strdup (MODEST_LOCAL_FOLDERS_DEFAULT_DISPLAY_NAME);
2165                 else
2166                         priv->local_account_name = modest_conf_get_string (modest_runtime_get_conf(),
2167                                                                            MODEST_CONF_DEVICE_NAME, NULL);
2168
2169                 /* Force a redraw */
2170 #if GTK_CHECK_VERSION(2, 8, 0)
2171                 GtkTreeViewColumn * tree_column;
2172
2173                 tree_column = gtk_tree_view_get_column (GTK_TREE_VIEW (self),
2174                                                         TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN);
2175                 gtk_tree_view_column_queue_resize (tree_column);
2176 #else
2177                 gtk_widget_queue_draw (GTK_WIDGET (self));
2178 #endif
2179         }
2180 }
2181
2182 void
2183 modest_folder_view_set_style (ModestFolderView *self,
2184                               ModestFolderViewStyle style)
2185 {
2186         ModestFolderViewPrivate *priv;
2187
2188         g_return_if_fail (self);
2189
2190         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2191
2192         priv->style = style;
2193 }
2194
2195 void
2196 modest_folder_view_set_account_id_of_visible_server_account (ModestFolderView *self,
2197                                                              const gchar *account_id)
2198 {
2199         ModestFolderViewPrivate *priv;
2200         GtkTreeModel *model;
2201
2202         g_return_if_fail (self);
2203
2204         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2205
2206         /* This will be used by the filter_row callback,
2207          * to decided which rows to show: */
2208         if (priv->visible_account_id) {
2209                 g_free (priv->visible_account_id);
2210                 priv->visible_account_id = NULL;
2211         }
2212         if (account_id)
2213                 priv->visible_account_id = g_strdup (account_id);
2214
2215         /* Refilter */
2216         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
2217         if (GTK_IS_TREE_MODEL_FILTER (model))
2218                 gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
2219
2220         /* Save settings to gconf */
2221         modest_widget_memory_save (modest_runtime_get_conf (), G_OBJECT(self),
2222                                    MODEST_CONF_FOLDER_VIEW_KEY);
2223 }
2224
2225 const gchar *
2226 modest_folder_view_get_account_id_of_visible_server_account (ModestFolderView *self)
2227 {
2228         ModestFolderViewPrivate *priv;
2229
2230         g_return_val_if_fail (self, NULL);
2231
2232         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2233
2234         return (const gchar *) priv->visible_account_id;
2235 }
2236
2237 static gboolean
2238 find_inbox_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *inbox_iter)
2239 {
2240         do {
2241                 GtkTreeIter child;
2242                 TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
2243
2244                 gtk_tree_model_get (model, iter,
2245                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN,
2246                                     &type, -1);
2247
2248                 gboolean result = FALSE;
2249                 if (type == TNY_FOLDER_TYPE_INBOX) {
2250                         result = TRUE;
2251                 }
2252                 if (result) {
2253                         *inbox_iter = *iter;
2254                         return TRUE;
2255                 }
2256
2257                 if (gtk_tree_model_iter_children (model, &child, iter)) {
2258                         if (find_inbox_iter (model, &child, inbox_iter))
2259                                 return TRUE;
2260                 }
2261
2262         } while (gtk_tree_model_iter_next (model, iter));
2263
2264         return FALSE;
2265 }
2266
2267
2268
2269
2270 void
2271 modest_folder_view_select_first_inbox_or_local (ModestFolderView *self)
2272 {
2273         GtkTreeModel *model;
2274         GtkTreeIter iter, inbox_iter;
2275         GtkTreeSelection *sel;
2276         GtkTreePath *path = NULL;
2277
2278         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
2279         if (!model)
2280                 return;
2281
2282         expand_root_items (self);
2283         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2284
2285         gtk_tree_model_get_iter_first (model, &iter);
2286
2287         if (find_inbox_iter (model, &iter, &inbox_iter))
2288                 path = gtk_tree_model_get_path (model, &inbox_iter);
2289         else
2290                 path = gtk_tree_path_new_first ();
2291
2292         /* Select the row and free */
2293         gtk_tree_view_set_cursor (GTK_TREE_VIEW (self), path, NULL, FALSE);
2294         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self), path, NULL, FALSE, 0.0, 0.0);
2295         gtk_tree_path_free (path);
2296
2297         /* set focus */
2298         gtk_widget_grab_focus (GTK_WIDGET(self));
2299 }
2300
2301
2302 /* recursive */
2303 static gboolean
2304 find_folder_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *folder_iter,
2305                   TnyFolder* folder)
2306 {
2307         do {
2308                 GtkTreeIter child;
2309                 TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
2310                 TnyFolder* a_folder;
2311                 gchar *name = NULL;
2312
2313                 gtk_tree_model_get (model, iter,
2314                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &a_folder,
2315                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name,
2316                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
2317                                     -1);
2318                 g_free (name);
2319
2320                 if (folder == a_folder) {
2321                         g_object_unref (a_folder);
2322                         *folder_iter = *iter;
2323                         return TRUE;
2324                 }
2325                 g_object_unref (a_folder);
2326
2327                 if (gtk_tree_model_iter_children (model, &child, iter)) {
2328                         if (find_folder_iter (model, &child, folder_iter, folder))
2329                                 return TRUE;
2330                 }
2331
2332         } while (gtk_tree_model_iter_next (model, iter));
2333
2334         return FALSE;
2335 }
2336
2337
2338 static void
2339 on_row_inserted_maybe_select_folder (GtkTreeModel *tree_model, GtkTreePath  *path, GtkTreeIter *iter,
2340                                      ModestFolderView *self)
2341 {
2342         ModestFolderViewPrivate *priv = NULL;
2343         GtkTreeSelection *sel;
2344         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
2345         GObject *instance = NULL;
2346
2347         if (!MODEST_IS_FOLDER_VIEW(self))
2348                 return;
2349
2350         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
2351
2352         priv->reexpand = TRUE;
2353
2354         gtk_tree_model_get (tree_model, iter,
2355                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
2356                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
2357                             -1);
2358         if (type == TNY_FOLDER_TYPE_INBOX && priv->folder_to_select == NULL) {
2359                 priv->folder_to_select = g_object_ref (instance);
2360         }
2361         g_object_unref (instance);
2362
2363
2364         if (priv->folder_to_select) {
2365
2366                 if (!modest_folder_view_select_folder (self, priv->folder_to_select,
2367                                                        FALSE)) {
2368                         GtkTreePath *path;
2369                         path = gtk_tree_model_get_path (tree_model, iter);
2370                         gtk_tree_view_expand_to_path (GTK_TREE_VIEW(self), path);
2371
2372                         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2373
2374                         gtk_tree_selection_select_iter (sel, iter);
2375                         gtk_tree_view_set_cursor (GTK_TREE_VIEW(self), path, NULL, FALSE);
2376
2377                         gtk_tree_path_free (path);
2378
2379                 }
2380
2381                 /* Disable next */
2382                 modest_folder_view_disable_next_folder_selection (self);
2383 /*              g_object_unref (priv->folder_to_select); */
2384 /*              priv->folder_to_select = NULL; */
2385         }
2386 }
2387
2388
2389 void
2390 modest_folder_view_disable_next_folder_selection (ModestFolderView *self)
2391 {
2392         ModestFolderViewPrivate *priv = NULL;
2393
2394         g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
2395         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
2396
2397         if (priv->folder_to_select)
2398                 g_object_unref(priv->folder_to_select);
2399
2400         priv->folder_to_select = NULL;
2401 }
2402
2403 gboolean
2404 modest_folder_view_select_folder (ModestFolderView *self, TnyFolder *folder,
2405                                   gboolean after_change)
2406 {
2407         GtkTreeModel *model;
2408         GtkTreeIter iter, folder_iter;
2409         GtkTreeSelection *sel;
2410         ModestFolderViewPrivate *priv = NULL;
2411
2412         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (self), FALSE);
2413         g_return_val_if_fail (TNY_IS_FOLDER (folder), FALSE);
2414
2415         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
2416
2417         if (after_change) {
2418
2419                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2420                 gtk_tree_selection_unselect_all (sel);
2421
2422                 if (priv->folder_to_select)
2423                         g_object_unref(priv->folder_to_select);
2424                 priv->folder_to_select = TNY_FOLDER(g_object_ref(folder));
2425                 return TRUE;
2426         }
2427
2428         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
2429         if (!model)
2430                 return FALSE;
2431
2432
2433         gtk_tree_model_get_iter_first (model, &iter);
2434         if (find_folder_iter (model, &iter, &folder_iter, folder)) {
2435                 GtkTreePath *path;
2436
2437                 path = gtk_tree_model_get_path (model, &folder_iter);
2438                 gtk_tree_view_expand_to_path (GTK_TREE_VIEW(self), path);
2439
2440                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2441                 gtk_tree_selection_select_iter (sel, &folder_iter);
2442                 gtk_tree_view_set_cursor (GTK_TREE_VIEW(self), path, NULL, FALSE);
2443
2444                 gtk_tree_path_free (path);
2445                 return TRUE;
2446         }
2447         return FALSE;
2448 }
2449
2450
2451 void
2452 modest_folder_view_copy_selection (ModestFolderView *folder_view)
2453 {
2454         /* Copy selection */
2455         _clipboard_set_selected_data (folder_view, FALSE);
2456 }
2457
2458 void
2459 modest_folder_view_cut_selection (ModestFolderView *folder_view)
2460 {
2461         ModestFolderViewPrivate *priv = NULL;
2462         GtkTreeModel *model = NULL;
2463         const gchar **hidding = NULL;
2464         guint i, n_selected;
2465
2466         g_return_if_fail (MODEST_IS_FOLDER_VIEW (folder_view));
2467         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (folder_view);
2468
2469         /* Copy selection */
2470         if (!_clipboard_set_selected_data (folder_view, TRUE))
2471                 return;
2472
2473         /* Get hidding ids */
2474         hidding = modest_email_clipboard_get_hidding_ids (priv->clipboard, &n_selected);
2475
2476         /* Clear hidding array created by previous cut operation */
2477         _clear_hidding_filter (MODEST_FOLDER_VIEW (folder_view));
2478
2479         /* Copy hidding array */
2480         priv->n_selected = n_selected;
2481         priv->hidding_ids = g_malloc0(sizeof(gchar *) * n_selected);
2482         for (i=0; i < n_selected; i++)
2483                 priv->hidding_ids[i] = g_strdup(hidding[i]);
2484
2485         /* Hide cut folders */
2486         model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view));
2487         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
2488 }
2489
2490 void
2491 modest_folder_view_copy_model (ModestFolderView *folder_view_src,
2492                                ModestFolderView *folder_view_dst)
2493 {
2494         GtkTreeModel *filter_model = NULL;
2495         GtkTreeModel *model = NULL;
2496         GtkTreeModel *new_filter_model = NULL;
2497
2498         g_return_if_fail (MODEST_IS_FOLDER_VIEW (folder_view_src));
2499         g_return_if_fail (MODEST_IS_FOLDER_VIEW (folder_view_dst));
2500
2501         /* Get src model*/
2502         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view_src));
2503         model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER(filter_model));
2504
2505         /* Build new filter model */
2506         new_filter_model = gtk_tree_model_filter_new (model, NULL);
2507         gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (new_filter_model),
2508                                                 filter_row,
2509                                                 folder_view_dst,
2510                                                 NULL);
2511         /* Set copied model */
2512         gtk_tree_view_set_model (GTK_TREE_VIEW (folder_view_dst), new_filter_model);
2513         g_signal_connect (G_OBJECT(new_filter_model), "row-inserted",
2514                           (GCallback) on_row_inserted_maybe_select_folder, folder_view_dst);
2515
2516         /* Free */
2517         g_object_unref (new_filter_model);
2518 }
2519
2520 void
2521 modest_folder_view_show_non_move_folders (ModestFolderView *folder_view,
2522                                           gboolean show)
2523 {
2524         GtkTreeModel *model = NULL;
2525         ModestFolderViewPrivate* priv = MODEST_FOLDER_VIEW_GET_PRIVATE(folder_view);
2526         priv->show_non_move = show;
2527 /*      modest_folder_view_update_model(folder_view, */
2528 /*                                      TNY_ACCOUNT_STORE(modest_runtime_get_account_store())); */
2529
2530         /* Hide special folders */
2531         model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view));
2532         if (GTK_IS_TREE_MODEL_FILTER (model)) {
2533                 gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
2534         }
2535 }
2536
2537 /* Returns FALSE if it did not selected anything */
2538 static gboolean
2539 _clipboard_set_selected_data (ModestFolderView *folder_view,
2540                               gboolean delete)
2541 {
2542         ModestFolderViewPrivate *priv = NULL;
2543         TnyFolderStore *folder = NULL;
2544         gboolean retval = FALSE;
2545
2546         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (folder_view), FALSE);
2547         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (folder_view);
2548
2549         /* Set selected data on clipboard   */
2550         g_return_val_if_fail (MODEST_IS_EMAIL_CLIPBOARD (priv->clipboard), FALSE);
2551         folder = modest_folder_view_get_selected (folder_view);
2552
2553         /* Do not allow to select an account */
2554         if (TNY_IS_FOLDER (folder)) {
2555                 modest_email_clipboard_set_data (priv->clipboard, TNY_FOLDER(folder), NULL, delete);
2556                 retval = TRUE;
2557         }
2558
2559         /* Free */
2560         g_object_unref (folder);
2561
2562         return retval;
2563 }
2564
2565 static void
2566 _clear_hidding_filter (ModestFolderView *folder_view)
2567 {
2568         ModestFolderViewPrivate *priv;
2569         guint i;
2570
2571         g_return_if_fail (MODEST_IS_FOLDER_VIEW (folder_view));
2572         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(folder_view);
2573
2574         if (priv->hidding_ids != NULL) {
2575                 for (i=0; i < priv->n_selected; i++)
2576                         g_free (priv->hidding_ids[i]);
2577                 g_free(priv->hidding_ids);
2578         }
2579 }
2580
2581
2582 static void
2583 on_display_name_changed (ModestAccountMgr *mgr,
2584                          const gchar *account,
2585                          gpointer user_data)
2586 {
2587         ModestFolderView *self;
2588
2589         self = MODEST_FOLDER_VIEW (user_data);
2590
2591         /* Force a redraw */
2592 #if GTK_CHECK_VERSION(2, 8, 0)
2593         GtkTreeViewColumn * tree_column;
2594
2595         tree_column = gtk_tree_view_get_column (GTK_TREE_VIEW (self),
2596                                                 TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN);
2597         gtk_tree_view_column_queue_resize (tree_column);
2598 #else
2599         gtk_widget_queue_draw (GTK_WIDGET (self));
2600 #endif
2601 }