* Partially fixes NB#78857, wait for the selected folder synchronization when closin...
[modest] / 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, 
80                                             gpointer data);
81
82 static void         on_account_removed     (TnyAccountStore *self, 
83                                             TnyAccount *account,
84                                             gpointer user_data);
85
86 static void         on_account_inserted    (TnyAccountStore *self, 
87                                             TnyAccount *account,
88                                             gpointer user_data);
89
90 static void         on_account_changed    (TnyAccountStore *self, 
91                                             TnyAccount *account,
92                                             gpointer user_data);
93
94 static gint         cmp_rows               (GtkTreeModel *tree_model, 
95                                             GtkTreeIter *iter1, 
96                                             GtkTreeIter *iter2,
97                                             gpointer user_data);
98
99 static gboolean     filter_row             (GtkTreeModel *model,
100                                             GtkTreeIter *iter,
101                                             gpointer data);
102
103 static gboolean     on_key_pressed         (GtkWidget *self,
104                                             GdkEventKey *event,
105                                             gpointer user_data);
106
107 static void         on_configuration_key_changed  (ModestConf* conf, 
108                                                    const gchar *key, 
109                                                    ModestConfEvent event,
110                                                    ModestConfNotificationId notification_id, 
111                                                    ModestFolderView *self);
112
113 /* DnD functions */
114 static void         on_drag_data_get       (GtkWidget *widget, 
115                                             GdkDragContext *context, 
116                                             GtkSelectionData *selection_data, 
117                                             guint info, 
118                                             guint time, 
119                                             gpointer data);
120
121 static void         on_drag_data_received  (GtkWidget *widget, 
122                                             GdkDragContext *context, 
123                                             gint x, 
124                                             gint y, 
125                                             GtkSelectionData *selection_data, 
126                                             guint info, 
127                                             guint time, 
128                                             gpointer data);
129
130 static gboolean     on_drag_motion         (GtkWidget      *widget,
131                                             GdkDragContext *context,
132                                             gint            x,
133                                             gint            y,
134                                             guint           time,
135                                             gpointer        user_data);
136
137 static void         expand_root_items (ModestFolderView *self);
138
139 static gint         expand_row_timeout     (gpointer data);
140
141 static void         setup_drag_and_drop    (GtkTreeView *self);
142
143 static gboolean     _clipboard_set_selected_data (ModestFolderView *folder_view, 
144                                                   gboolean delete);
145
146 static void         _clear_hidding_filter (ModestFolderView *folder_view);
147
148 static void         on_row_inserted_maybe_select_folder (GtkTreeModel     *tree_model, 
149                                                          GtkTreePath      *path, 
150                                                          GtkTreeIter      *iter,
151                                                          ModestFolderView *self);
152
153 static void         on_display_name_changed (ModestAccountMgr *self, 
154                                              const gchar *account,
155                                              gpointer user_data);
156
157 enum {
158         FOLDER_SELECTION_CHANGED_SIGNAL,
159         FOLDER_DISPLAY_NAME_CHANGED_SIGNAL,
160         LAST_SIGNAL
161 };
162
163 typedef struct _ModestFolderViewPrivate ModestFolderViewPrivate;
164 struct _ModestFolderViewPrivate {
165         TnyAccountStore      *account_store;
166         TnyFolderStore       *cur_folder_store;
167
168         TnyFolder            *folder_to_select; /* folder to select after the next update */
169
170         gulong                changed_signal;
171         gulong                account_inserted_signal;
172         gulong                account_removed_signal;
173         gulong                account_changed_signal;
174         gulong                conf_key_signal;
175         gulong                display_name_changed_signal;
176         
177         /* not unref this object, its a singlenton */
178         ModestEmailClipboard *clipboard;
179
180         /* Filter tree model */
181         gchar **hidding_ids;
182         guint n_selected;
183
184         TnyFolderStoreQuery  *query;
185         guint                 timer_expander;
186
187         gchar                *local_account_name;
188         gchar                *visible_account_id;
189         ModestFolderViewStyle style;
190
191         gboolean  reselect; /* we use this to force a reselection of the INBOX */
192         gboolean  show_non_move;
193         gboolean  reexpand; /* next time we expose, we'll expand all root folders */
194 };
195 #define MODEST_FOLDER_VIEW_GET_PRIVATE(o)                       \
196         (G_TYPE_INSTANCE_GET_PRIVATE((o),                       \
197                                      MODEST_TYPE_FOLDER_VIEW,   \
198                                      ModestFolderViewPrivate))
199 /* globals */
200 static GObjectClass *parent_class = NULL;
201
202 static guint signals[LAST_SIGNAL] = {0}; 
203
204 GType
205 modest_folder_view_get_type (void)
206 {
207         static GType my_type = 0;
208         if (!my_type) {
209                 static const GTypeInfo my_info = {
210                         sizeof(ModestFolderViewClass),
211                         NULL,           /* base init */
212                         NULL,           /* base finalize */
213                         (GClassInitFunc) modest_folder_view_class_init,
214                         NULL,           /* class finalize */
215                         NULL,           /* class data */
216                         sizeof(ModestFolderView),
217                         1,              /* n_preallocs */
218                         (GInstanceInitFunc) modest_folder_view_init,
219                         NULL
220                 };
221
222                 static const GInterfaceInfo tny_account_store_view_info = {
223                         (GInterfaceInitFunc) tny_account_store_view_init, /* interface_init */
224                         NULL,         /* interface_finalize */
225                         NULL          /* interface_data */
226                 };
227
228                                 
229                 my_type = g_type_register_static (GTK_TYPE_TREE_VIEW,
230                                                   "ModestFolderView",
231                                                   &my_info, 0);
232
233                 g_type_add_interface_static (my_type, 
234                                              TNY_TYPE_ACCOUNT_STORE_VIEW, 
235                                              &tny_account_store_view_info);
236         }
237         return my_type;
238 }
239
240 static void
241 modest_folder_view_class_init (ModestFolderViewClass *klass)
242 {
243         GObjectClass *gobject_class;
244         gobject_class = (GObjectClass*) klass;
245
246         parent_class            = g_type_class_peek_parent (klass);
247         gobject_class->finalize = modest_folder_view_finalize;
248
249         g_type_class_add_private (gobject_class,
250                                   sizeof(ModestFolderViewPrivate));
251         
252         signals[FOLDER_SELECTION_CHANGED_SIGNAL] = 
253                 g_signal_new ("folder_selection_changed",
254                               G_TYPE_FROM_CLASS (gobject_class),
255                               G_SIGNAL_RUN_FIRST,
256                               G_STRUCT_OFFSET (ModestFolderViewClass,
257                                                folder_selection_changed),
258                               NULL, NULL,
259                               modest_marshal_VOID__POINTER_BOOLEAN,
260                               G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_BOOLEAN);
261
262         /*
263          * This signal is emitted whenever the currently selected
264          * folder display name is computed. Note that the name could
265          * be different to the folder name, because we could append
266          * the unread messages count to the folder name to build the
267          * folder display name
268          */
269         signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL] = 
270                 g_signal_new ("folder-display-name-changed",
271                               G_TYPE_FROM_CLASS (gobject_class),
272                               G_SIGNAL_RUN_FIRST,
273                               G_STRUCT_OFFSET (ModestFolderViewClass,
274                                                folder_display_name_changed),
275                               NULL, NULL,
276                               g_cclosure_marshal_VOID__STRING,
277                               G_TYPE_NONE, 1, G_TYPE_STRING);
278 }
279
280 /* Simplify checks for NULLs: */
281 static gboolean
282 strings_are_equal (const gchar *a, const gchar *b)
283 {
284         if (!a && !b)
285                 return TRUE;
286         if (a && b)
287         {
288                 return (strcmp (a, b) == 0);
289         }
290         else
291                 return FALSE;
292 }
293
294 static gboolean
295 on_model_foreach_set_name(GtkTreeModel *model, GtkTreePath *path,  GtkTreeIter *iter, gpointer data)
296 {
297         GObject *instance = NULL;
298         
299         gtk_tree_model_get (model, iter,
300                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
301                             -1);
302                             
303         if (!instance)
304                 return FALSE; /* keep walking */
305                         
306         if (!TNY_IS_ACCOUNT (instance)) {
307                 g_object_unref (instance);
308                 return FALSE; /* keep walking */        
309         }    
310         
311         /* Check if this is the looked-for account: */
312         TnyAccount *this_account = TNY_ACCOUNT (instance);
313         TnyAccount *account = TNY_ACCOUNT (data);
314         
315         const gchar *this_account_id = tny_account_get_id(this_account);
316         const gchar *account_id = tny_account_get_id(account);
317         g_object_unref (instance);
318         instance = NULL;
319
320         /* printf ("DEBUG: %s: this_account_id=%s, account_id=%s\n", __FUNCTION__, this_account_id, account_id); */
321         if (strings_are_equal(this_account_id, account_id)) {
322                 /* Tell the model that the data has changed, so that
323                  * it calls the cell_data_func callbacks again: */
324                 /* TODO: This does not seem to actually cause the new string to be shown: */
325                 gtk_tree_model_row_changed (model, path, iter);
326                 
327                 return TRUE; /* stop walking */
328         }
329         
330         return FALSE; /* keep walking */
331 }
332
333 typedef struct 
334 {
335         ModestFolderView *self;
336         gchar *previous_name;
337 } GetMmcAccountNameData;
338
339 static void
340 on_get_mmc_account_name (TnyStoreAccount* account, gpointer user_data)
341 {
342         /* printf ("DEBU1G: %s: account name=%s\n", __FUNCTION__, tny_account_get_name (TNY_ACCOUNT(account))); */
343
344         GetMmcAccountNameData *data = (GetMmcAccountNameData*)user_data;
345         
346         if (!strings_are_equal (
347                 tny_account_get_name(TNY_ACCOUNT(account)), 
348                 data->previous_name)) {
349         
350                 /* Tell the model that the data has changed, so that 
351                  * it calls the cell_data_func callbacks again: */
352                 ModestFolderView *self = data->self;
353                 GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
354                 if (model)
355                         gtk_tree_model_foreach(model, on_model_foreach_set_name, account);
356         }
357
358         g_free (data->previous_name);
359         g_slice_free (GetMmcAccountNameData, data);
360 }
361
362 static void
363 text_cell_data  (GtkTreeViewColumn *column,  
364                  GtkCellRenderer *renderer,
365                  GtkTreeModel *tree_model,  
366                  GtkTreeIter *iter,  
367                  gpointer data)
368 {
369         ModestFolderViewPrivate *priv;
370         GObject *rendobj = (GObject *) renderer;
371         gchar *fname = NULL;
372         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
373         GObject *instance = NULL;
374
375         gtk_tree_model_get (tree_model, iter,
376                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &fname,
377                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
378                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
379                             -1);
380         if (!fname)
381                 return;
382
383         if (!instance) {
384                 g_free (fname);
385                 return;
386         }
387
388         ModestFolderView *self = MODEST_FOLDER_VIEW (data);
389         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE (self);
390         
391         gchar *item_name = NULL;
392         gint item_weight = 400;
393         
394         if (type != TNY_FOLDER_TYPE_ROOT) {
395                 gint number = 0;
396                 
397                 if (modest_tny_folder_is_local_folder (TNY_FOLDER (instance)) ||
398                     modest_tny_folder_is_memory_card_folder (TNY_FOLDER (instance))) {
399                         type = modest_tny_folder_get_local_or_mmc_folder_type (TNY_FOLDER (instance));
400                         if (type != TNY_FOLDER_TYPE_UNKNOWN) {
401                                 g_free (fname);
402                                 fname = g_strdup (modest_local_folder_info_get_type_display_name (type));
403                         }
404                 }
405
406                 /* note: we cannot reliably get the counts from the tree model, we need
407                  * to use explicit calls on tny_folder for some reason.
408                  */
409                 /* Select the number to show: the unread or unsent messages. in case of outbox/drafts, show all */
410                 if ((type == TNY_FOLDER_TYPE_DRAFTS) ||
411                     (type == TNY_FOLDER_TYPE_OUTBOX) ||
412                     (type == TNY_FOLDER_TYPE_MERGE)) /* _OUTBOX actually returns _MERGE... */
413                         number = tny_folder_get_all_count (TNY_FOLDER(instance));
414                 else
415                         number = tny_folder_get_unread_count (TNY_FOLDER(instance));
416                                                                 
417                 /* Use bold font style if there are unread or unset messages */
418                 if (number > 0) {
419                         item_name = g_strdup_printf ("%s (%d)", fname, number);
420                         item_weight = 800;
421                 } else {
422                         item_name = g_strdup (fname);
423                         item_weight = 400;
424                 }
425                 
426         } else if (TNY_IS_ACCOUNT (instance)) {
427                 /* If it's a server account */
428                 if (modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (instance))) {
429                         item_name = g_strdup (priv->local_account_name);
430                         item_weight = 800;
431                 } else if (modest_tny_account_is_memory_card_account (TNY_ACCOUNT (instance))) {
432                         /* fname is only correct when the items are first 
433                          * added to the model, not when the account is 
434                          * changed later, so get the name from the account
435                          * instance: */
436                         item_name = g_strdup (tny_account_get_name (TNY_ACCOUNT (instance)));
437                         item_weight = 800;
438                 } else {
439                         item_name = g_strdup (fname);
440                         item_weight = 800;
441                 }
442         }
443         
444         if (!item_name)
445                 item_name = g_strdup ("unknown");
446                         
447         if (item_name && item_weight) {
448                 /* Set the name in the treeview cell: */
449                 g_object_set (rendobj,"text", item_name, "weight", item_weight, NULL);
450                 
451                 /* Notify display name observers */
452                 /* TODO: What listens for this signal, and how can it use only the new name? */
453                 if (((GObject *) priv->cur_folder_store) == instance) {
454                         g_signal_emit (G_OBJECT(self),
455                                                signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL], 0,
456                                                item_name);
457                 }
458                 g_free (item_name);
459                 
460         }
461         
462         /* If it is a Memory card account, make sure that we have the correct name.
463          * This function will be trigerred again when the name has been retrieved: */
464         if (TNY_IS_STORE_ACCOUNT (instance) && 
465                 modest_tny_account_is_memory_card_account (TNY_ACCOUNT (instance))) {
466
467                 /* Get the account name asynchronously: */
468                 GetMmcAccountNameData *callback_data = 
469                         g_slice_new0(GetMmcAccountNameData);
470                 callback_data->self = self;
471
472                 const gchar *name = tny_account_get_name (TNY_ACCOUNT(instance));
473                 if (name)
474                         callback_data->previous_name = g_strdup (name); 
475
476                 modest_tny_account_get_mmc_account_name (TNY_STORE_ACCOUNT (instance), 
477                                                          on_get_mmc_account_name, callback_data);
478         }
479                         
480         g_object_unref (G_OBJECT (instance));
481         g_free (fname);
482 }
483
484
485 typedef struct {
486         GdkPixbuf *pixbuf;
487         GdkPixbuf *pixbuf_open;
488         GdkPixbuf *pixbuf_close;
489 } ThreePixbufs;
490
491
492 static ThreePixbufs*
493 get_folder_icons (TnyFolderType type, GObject *instance)
494 {
495         GdkPixbuf *pixbuf = NULL;
496         GdkPixbuf *pixbuf_open = NULL;
497         GdkPixbuf *pixbuf_close = NULL;
498         ThreePixbufs *retval = g_slice_new (ThreePixbufs);
499
500         static GdkPixbuf *inbox_pixbuf = NULL, *outbox_pixbuf = NULL,
501                 *junk_pixbuf = NULL, *sent_pixbuf = NULL,
502                 *trash_pixbuf = NULL, *draft_pixbuf = NULL,
503                 *normal_pixbuf = NULL, *anorm_pixbuf = NULL, 
504                 *ammc_pixbuf = NULL, *avirt_pixbuf = NULL;
505
506         static GdkPixbuf *inbox_pixbuf_open = NULL, *outbox_pixbuf_open = NULL,
507                 *junk_pixbuf_open = NULL, *sent_pixbuf_open = NULL,
508                 *trash_pixbuf_open = NULL, *draft_pixbuf_open = NULL,
509                 *normal_pixbuf_open = NULL, *anorm_pixbuf_open = NULL, 
510                 *ammc_pixbuf_open = NULL, *avirt_pixbuf_open = NULL;
511
512         static GdkPixbuf *inbox_pixbuf_close = NULL, *outbox_pixbuf_close = NULL,
513                 *junk_pixbuf_close = NULL, *sent_pixbuf_close = NULL,
514                 *trash_pixbuf_close = NULL, *draft_pixbuf_close = NULL,
515                 *normal_pixbuf_close = NULL, *anorm_pixbuf_close = NULL, 
516                 *ammc_pixbuf_close = NULL, *avirt_pixbuf_close = NULL;
517
518
519         /* MERGE is not needed anymore as the folder now has the correct type jschmid */
520         /* We include the MERGE type here because it's used to create
521            the local OUTBOX folder */
522         if (type == TNY_FOLDER_TYPE_NORMAL || 
523             type == TNY_FOLDER_TYPE_UNKNOWN) {
524                 type = modest_tny_folder_guess_folder_type (TNY_FOLDER (instance));             
525         }
526
527         switch (type) {
528         case TNY_FOLDER_TYPE_INVALID:
529                 g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
530                 break;
531                 
532         case TNY_FOLDER_TYPE_ROOT:
533                 if (TNY_IS_ACCOUNT (instance)) {
534                         
535                         if (modest_tny_account_is_virtual_local_folders (
536                                 TNY_ACCOUNT (instance))) {
537
538                             if (!avirt_pixbuf)
539                                     avirt_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_LOCAL_FOLDERS,
540                                                                                               MODEST_ICON_SIZE_SMALL));
541                             
542                             if (!avirt_pixbuf_open) {
543                                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
544                                                                                   MODEST_ICON_SIZE_SMALL);
545                                     avirt_pixbuf_open = gdk_pixbuf_copy (avirt_pixbuf);
546                                     gdk_pixbuf_composite (emblem, avirt_pixbuf_open, 0, 0, 
547                                                           MIN (gdk_pixbuf_get_width (emblem), 
548                                                                gdk_pixbuf_get_width (avirt_pixbuf_open)),
549                                                           MIN (gdk_pixbuf_get_height (emblem), 
550                                                                gdk_pixbuf_get_height (avirt_pixbuf_open)),
551                                                           0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
552                                     g_object_unref (emblem);
553                             }
554
555                             if (!avirt_pixbuf_close) {
556                                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
557                                                                                   MODEST_ICON_SIZE_SMALL);
558                                 avirt_pixbuf_close = gdk_pixbuf_copy (avirt_pixbuf);
559                                 gdk_pixbuf_composite (emblem, avirt_pixbuf_close, 0, 0, 
560                                                       MIN (gdk_pixbuf_get_width (emblem), 
561                                                            gdk_pixbuf_get_width (avirt_pixbuf_close)),
562                                                       MIN (gdk_pixbuf_get_height (emblem), 
563                                                            gdk_pixbuf_get_height (avirt_pixbuf_close)),
564                                                       0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
565                                 g_object_unref (emblem);
566                             }
567
568
569                             pixbuf = g_object_ref (avirt_pixbuf);
570                             pixbuf_open = g_object_ref (avirt_pixbuf_open);
571                             pixbuf_close = g_object_ref (avirt_pixbuf_close);
572
573                         }
574                         else {
575                                 const gchar *account_id = tny_account_get_id (TNY_ACCOUNT (instance));
576                                 
577                                 if (!strcmp (account_id, MODEST_MMC_ACCOUNT_ID)) {                                 
578                                     if (!ammc_pixbuf)
579                                             ammc_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_MMC,
580                                                                                                      MODEST_ICON_SIZE_SMALL));
581                                     
582                                     if (!ammc_pixbuf_open) {
583                                             GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
584                                                                                           MODEST_ICON_SIZE_SMALL);
585                                         ammc_pixbuf_open = gdk_pixbuf_copy (ammc_pixbuf);
586                                         gdk_pixbuf_composite (emblem, ammc_pixbuf_open, 0, 0, 
587                                                               MIN (gdk_pixbuf_get_width (emblem), 
588                                                                    gdk_pixbuf_get_width (ammc_pixbuf_open)),
589                                                               MIN (gdk_pixbuf_get_height (emblem), 
590                                                                    gdk_pixbuf_get_height (ammc_pixbuf_open)),
591                                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
592                                         g_object_unref (emblem);
593                                     }
594
595                                     if (!ammc_pixbuf_close) {
596                                             GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
597                                                                                           MODEST_ICON_SIZE_SMALL);
598                                         ammc_pixbuf_close = gdk_pixbuf_copy (ammc_pixbuf);
599                                         gdk_pixbuf_composite (emblem, ammc_pixbuf_close, 0, 0, 
600                                                               MIN (gdk_pixbuf_get_width (emblem), 
601                                                                    gdk_pixbuf_get_width (ammc_pixbuf_close)),
602                                                               MIN (gdk_pixbuf_get_height (emblem), 
603                                                                    gdk_pixbuf_get_height (ammc_pixbuf_close)),
604                                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
605                                         g_object_unref (emblem);
606                                     }
607
608
609                                     pixbuf = g_object_ref (ammc_pixbuf);
610                                     pixbuf_open = g_object_ref (ammc_pixbuf_open);
611                                     pixbuf_close = g_object_ref (ammc_pixbuf_close);
612
613                                 } else {
614
615                                     if (!anorm_pixbuf)
616                                             anorm_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_ACCOUNT,
617                                                                                                       MODEST_ICON_SIZE_SMALL));
618                                     if (!anorm_pixbuf_open) {
619                                             GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
620                                                                                           MODEST_ICON_SIZE_SMALL);
621                                         anorm_pixbuf_open = gdk_pixbuf_copy (anorm_pixbuf);
622                                         gdk_pixbuf_composite (emblem, anorm_pixbuf_open, 0, 0, 
623                                                               MIN (gdk_pixbuf_get_width (emblem), 
624                                                                    gdk_pixbuf_get_width (anorm_pixbuf_open)),
625                                                               MIN (gdk_pixbuf_get_height (emblem), 
626                                                                    gdk_pixbuf_get_height (anorm_pixbuf_open)),
627                                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
628                                         g_object_unref (emblem);
629                                     }
630
631                                     if (!anorm_pixbuf_close) {
632                                             GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
633                                                                                           MODEST_ICON_SIZE_SMALL);
634                                         anorm_pixbuf_close = gdk_pixbuf_copy (anorm_pixbuf);
635                                         gdk_pixbuf_composite (emblem, anorm_pixbuf_close, 0, 0, 
636                                                               MIN (gdk_pixbuf_get_width (emblem), 
637                                                                    gdk_pixbuf_get_width (anorm_pixbuf_close)),
638                                                               MIN (gdk_pixbuf_get_height (emblem), 
639                                                                    gdk_pixbuf_get_height (anorm_pixbuf_close)),
640                                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
641                                         g_object_unref (emblem);
642                                     }
643
644
645                                     pixbuf = g_object_ref (anorm_pixbuf);
646                                     pixbuf_open = g_object_ref (anorm_pixbuf_open);
647                                     pixbuf_close = g_object_ref (anorm_pixbuf_close);                             
648
649                                 }
650                         }
651                 }
652                 break;
653         case TNY_FOLDER_TYPE_INBOX:
654
655             if (!inbox_pixbuf)
656                     inbox_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_INBOX,
657                                                                               MODEST_ICON_SIZE_SMALL));
658
659             if (!inbox_pixbuf_open) {
660                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
661                                                                   MODEST_ICON_SIZE_SMALL);
662                     inbox_pixbuf_open = gdk_pixbuf_copy (inbox_pixbuf);
663                     gdk_pixbuf_composite (emblem, inbox_pixbuf_open, 0, 0, 
664                                           MIN (gdk_pixbuf_get_width (emblem), 
665                                                gdk_pixbuf_get_width (inbox_pixbuf_open)),
666                                           MIN (gdk_pixbuf_get_height (emblem), 
667                                                gdk_pixbuf_get_height (inbox_pixbuf_open)),
668                                           0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
669                     g_object_unref (emblem);
670             }
671             
672             if (!inbox_pixbuf_close) {
673                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
674                                                                   MODEST_ICON_SIZE_SMALL);
675                     inbox_pixbuf_close = gdk_pixbuf_copy (inbox_pixbuf);
676                     gdk_pixbuf_composite (emblem, inbox_pixbuf_close, 0, 0, 
677                                           MIN (gdk_pixbuf_get_width (emblem), 
678                                                gdk_pixbuf_get_width (inbox_pixbuf_close)),
679                                           MIN (gdk_pixbuf_get_height (emblem), 
680                                                gdk_pixbuf_get_height (inbox_pixbuf_close)),
681                                           0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
682                     g_object_unref (emblem);
683             }
684             
685
686             pixbuf = g_object_ref (inbox_pixbuf);
687             pixbuf_open = g_object_ref (inbox_pixbuf_open);
688             pixbuf_close = g_object_ref (inbox_pixbuf_close);
689             
690             break;
691         case TNY_FOLDER_TYPE_OUTBOX:
692                 if (!outbox_pixbuf)
693                         outbox_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_OUTBOX,
694                                                                                    MODEST_ICON_SIZE_SMALL));
695
696                 if (!outbox_pixbuf_open) {
697                         GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
698                                                                       MODEST_ICON_SIZE_SMALL);
699                         outbox_pixbuf_open = gdk_pixbuf_copy (outbox_pixbuf);
700                         gdk_pixbuf_composite (emblem, outbox_pixbuf_open, 0, 0, 
701                                               MIN (gdk_pixbuf_get_width (emblem), 
702                                                    gdk_pixbuf_get_width (outbox_pixbuf_open)),
703                                               MIN (gdk_pixbuf_get_height (emblem), 
704                                                    gdk_pixbuf_get_height (outbox_pixbuf_open)),
705                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
706                         g_object_unref (emblem);
707             }
708
709             if (!outbox_pixbuf_close) {
710                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
711                                                                   MODEST_ICON_SIZE_SMALL);
712                 outbox_pixbuf_close = gdk_pixbuf_copy (outbox_pixbuf);
713                 gdk_pixbuf_composite (emblem, outbox_pixbuf_close, 0, 0, 
714                                       MIN (gdk_pixbuf_get_width (emblem), 
715                                            gdk_pixbuf_get_width (outbox_pixbuf_close)),
716                                       MIN (gdk_pixbuf_get_height (emblem), 
717                                            gdk_pixbuf_get_height (outbox_pixbuf_close)),
718                                       0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
719                 g_object_unref (emblem);
720             }
721
722
723             pixbuf = g_object_ref (outbox_pixbuf);
724             pixbuf_open = g_object_ref (outbox_pixbuf_open);
725             pixbuf_close = g_object_ref (outbox_pixbuf_close);
726
727             break;
728         case TNY_FOLDER_TYPE_JUNK:
729             if (!junk_pixbuf)
730                     junk_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_JUNK,
731                                                                              MODEST_ICON_SIZE_SMALL));
732             if (!junk_pixbuf_open) {
733                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
734                                                                   MODEST_ICON_SIZE_SMALL);
735                     junk_pixbuf_open = gdk_pixbuf_copy (junk_pixbuf);
736                     gdk_pixbuf_composite (emblem, junk_pixbuf_open, 0, 0, 
737                                           MIN (gdk_pixbuf_get_width (emblem), 
738                                                gdk_pixbuf_get_width (junk_pixbuf_open)),
739                                           MIN (gdk_pixbuf_get_height (emblem), 
740                                                gdk_pixbuf_get_height (junk_pixbuf_open)),
741                                           0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
742                     g_object_unref (emblem);
743             }
744             
745             if (!junk_pixbuf_close) {
746                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
747                                                                   MODEST_ICON_SIZE_SMALL);
748                     junk_pixbuf_close = gdk_pixbuf_copy (junk_pixbuf);
749                     gdk_pixbuf_composite (emblem, junk_pixbuf_close, 0, 0, 
750                                           MIN (gdk_pixbuf_get_width (emblem), 
751                                                gdk_pixbuf_get_width (junk_pixbuf_close)),
752                                           MIN (gdk_pixbuf_get_height (emblem), 
753                                                gdk_pixbuf_get_height (junk_pixbuf_close)),
754                                           0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
755                     g_object_unref (emblem);
756             }
757             
758             
759             pixbuf = g_object_ref (junk_pixbuf);
760             pixbuf_open = g_object_ref (junk_pixbuf_open);
761             pixbuf_close = g_object_ref (junk_pixbuf_close);
762             
763             break;
764
765         case TNY_FOLDER_TYPE_SENT:
766                 if (!sent_pixbuf)
767                         sent_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_SENT,
768                                                                                  MODEST_ICON_SIZE_SMALL));
769                 
770                 if (!sent_pixbuf_open) {
771                         GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
772                                                                       MODEST_ICON_SIZE_SMALL);
773                         sent_pixbuf_open = gdk_pixbuf_copy (sent_pixbuf);
774                         gdk_pixbuf_composite (emblem, sent_pixbuf_open, 0, 0, 
775                                               MIN (gdk_pixbuf_get_width (emblem), 
776                                                    gdk_pixbuf_get_width (sent_pixbuf_open)),
777                                               MIN (gdk_pixbuf_get_height (emblem), 
778                                                    gdk_pixbuf_get_height (sent_pixbuf_open)),
779                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
780                         g_object_unref (emblem);
781                 }
782                 
783                 if (!sent_pixbuf_close) {
784                         GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
785                                                                       MODEST_ICON_SIZE_SMALL);
786                         sent_pixbuf_close = gdk_pixbuf_copy (sent_pixbuf);
787                         gdk_pixbuf_composite (emblem, sent_pixbuf_close, 0, 0, 
788                                               MIN (gdk_pixbuf_get_width (emblem), 
789                                                    gdk_pixbuf_get_width (sent_pixbuf_close)),
790                                               MIN (gdk_pixbuf_get_height (emblem), 
791                                                    gdk_pixbuf_get_height (sent_pixbuf_close)),
792                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
793                         g_object_unref (emblem);
794                 }
795                 
796
797             pixbuf = g_object_ref (sent_pixbuf);
798             pixbuf_open = g_object_ref (sent_pixbuf_open);
799             pixbuf_close = g_object_ref (sent_pixbuf_close);
800             
801             break;
802
803         case TNY_FOLDER_TYPE_TRASH:
804             if (!trash_pixbuf)
805                     trash_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_TRASH,
806                                                                               MODEST_ICON_SIZE_SMALL));
807             if (!trash_pixbuf_open) {
808                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
809                                                                   MODEST_ICON_SIZE_SMALL);
810                     trash_pixbuf_open = gdk_pixbuf_copy (trash_pixbuf);
811                     gdk_pixbuf_composite (emblem, trash_pixbuf_open, 0, 0, 
812                                           MIN (gdk_pixbuf_get_width (emblem), 
813                                                gdk_pixbuf_get_width (trash_pixbuf_open)),
814                                           MIN (gdk_pixbuf_get_height (emblem), 
815                                                gdk_pixbuf_get_height (trash_pixbuf_open)),
816                                           0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
817                     g_object_unref (emblem);
818             }
819             
820             if (!trash_pixbuf_close) {
821                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
822                                                                   MODEST_ICON_SIZE_SMALL);
823                     trash_pixbuf_close = gdk_pixbuf_copy (trash_pixbuf);
824                     gdk_pixbuf_composite (emblem, trash_pixbuf_close, 0, 0, 
825                                           MIN (gdk_pixbuf_get_width (emblem), 
826                                                gdk_pixbuf_get_width (trash_pixbuf_close)),
827                                           MIN (gdk_pixbuf_get_height (emblem), 
828                                                gdk_pixbuf_get_height (trash_pixbuf_close)),
829                                           0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
830                     g_object_unref (emblem);
831             }
832             
833             
834             pixbuf = g_object_ref (trash_pixbuf);
835             pixbuf_open = g_object_ref (trash_pixbuf_open);
836             pixbuf_close = g_object_ref (trash_pixbuf_close);
837
838             break;
839         case TNY_FOLDER_TYPE_DRAFTS:
840            if (!draft_pixbuf)
841                    draft_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_DRAFTS,
842                                                                              MODEST_ICON_SIZE_SMALL));
843            
844             if (!draft_pixbuf_open) {
845                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
846                                                                   MODEST_ICON_SIZE_SMALL);
847                 draft_pixbuf_open = gdk_pixbuf_copy (draft_pixbuf);
848                 gdk_pixbuf_composite (emblem, draft_pixbuf_open, 0, 0, 
849                                       MIN (gdk_pixbuf_get_width (emblem), 
850                                            gdk_pixbuf_get_width (draft_pixbuf_open)),
851                                       MIN (gdk_pixbuf_get_height (emblem), 
852                                            gdk_pixbuf_get_height (draft_pixbuf_open)),
853                                       0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
854                 g_object_unref (emblem);
855             }
856
857             if (!draft_pixbuf_close) {
858                     GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
859                                                                   MODEST_ICON_SIZE_SMALL);
860                 draft_pixbuf_close = gdk_pixbuf_copy (draft_pixbuf);
861                 gdk_pixbuf_composite (emblem, draft_pixbuf_close, 0, 0, 
862                                       MIN (gdk_pixbuf_get_width (emblem), 
863                                            gdk_pixbuf_get_width (draft_pixbuf_close)),
864                                       MIN (gdk_pixbuf_get_height (emblem), 
865                                            gdk_pixbuf_get_height (draft_pixbuf_close)),
866                                       0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
867                 g_object_unref (emblem);
868             }
869
870
871             pixbuf = g_object_ref (draft_pixbuf);
872             pixbuf_open = g_object_ref (draft_pixbuf_open);
873             pixbuf_close = g_object_ref (draft_pixbuf_close);
874
875             break;      
876         case TNY_FOLDER_TYPE_NORMAL:
877         default:
878                 if (!normal_pixbuf)
879                         normal_pixbuf = gdk_pixbuf_copy (modest_platform_get_icon (MODEST_FOLDER_ICON_NORMAL,
880                                                                                    MODEST_ICON_SIZE_SMALL));
881                 
882                 if (!normal_pixbuf_open) {
883                         GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_exp",
884                                                                       MODEST_ICON_SIZE_SMALL);
885                         normal_pixbuf_open = gdk_pixbuf_copy (normal_pixbuf);
886                         gdk_pixbuf_composite (emblem, normal_pixbuf_open, 0, 0, 
887                                               MIN (gdk_pixbuf_get_width (emblem), 
888                                                    gdk_pixbuf_get_width (normal_pixbuf_open)),
889                                               MIN (gdk_pixbuf_get_height (emblem), 
890                                                    gdk_pixbuf_get_height (normal_pixbuf_open)),
891                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
892                         g_object_unref (emblem);
893                 }
894                 
895                 if (!normal_pixbuf_close) {
896                         GdkPixbuf *emblem = modest_platform_get_icon ("qgn_list_gene_fldr_clp",
897                                                                       MODEST_ICON_SIZE_SMALL);
898                         normal_pixbuf_close = gdk_pixbuf_copy (normal_pixbuf);
899                         gdk_pixbuf_composite (emblem, normal_pixbuf_close, 0, 0, 
900                                               MIN (gdk_pixbuf_get_width (emblem), 
901                                                    gdk_pixbuf_get_width (normal_pixbuf_close)),
902                                               MIN (gdk_pixbuf_get_height (emblem), 
903                                                    gdk_pixbuf_get_height (normal_pixbuf_close)),
904                                               0, 0, 1, 1, GDK_INTERP_NEAREST, 255);
905                         g_object_unref (emblem);
906                 }
907                 
908                 
909             pixbuf = g_object_ref (normal_pixbuf);
910             pixbuf_open = g_object_ref (normal_pixbuf_open);
911             pixbuf_close = g_object_ref (normal_pixbuf_close);
912
913             break;      
914
915         }
916
917         retval->pixbuf = pixbuf;
918         retval->pixbuf_open = pixbuf_open;
919         retval->pixbuf_close = pixbuf_close;
920
921         return retval;
922 }
923
924
925 static void
926 free_pixbufs (ThreePixbufs *pixbufs)
927 {
928         g_object_unref (pixbufs->pixbuf);
929         g_object_unref (pixbufs->pixbuf_open);
930         g_object_unref (pixbufs->pixbuf_close);
931         g_slice_free (ThreePixbufs, pixbufs);
932 }
933
934 static void
935 icon_cell_data  (GtkTreeViewColumn *column,  
936                  GtkCellRenderer *renderer,
937                  GtkTreeModel *tree_model,  
938                  GtkTreeIter *iter, 
939                  gpointer data)
940 {
941         GObject *rendobj = NULL, *instance = NULL;
942         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
943         gboolean has_children;
944         ThreePixbufs *pixbufs;
945
946         rendobj = (GObject *) renderer;
947
948         gtk_tree_model_get (tree_model, iter,
949                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
950                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
951                             -1);
952
953         if (!instance) 
954                 return;
955
956         has_children = gtk_tree_model_iter_has_child (tree_model, iter);
957         pixbufs = get_folder_icons (type, instance);    
958         g_object_unref (instance);
959
960         /* Set pixbuf */
961         g_object_set (rendobj, "pixbuf", pixbufs->pixbuf, NULL);
962
963         if (has_children) {
964                 g_object_set (rendobj, "pixbuf-expander-open", pixbufs->pixbuf_open, NULL);
965                 g_object_set (rendobj, "pixbuf-expander-closed", pixbufs->pixbuf_close, NULL);
966         }
967
968         free_pixbufs (pixbufs);
969
970         return;
971 }
972
973 static void
974 add_columns (GtkWidget *treeview)
975 {
976         GtkTreeViewColumn *column;
977         GtkCellRenderer *renderer;
978         GtkTreeSelection *sel;
979
980         /* Create column */
981         column = gtk_tree_view_column_new ();   
982         
983         /* Set icon and text render function */
984         renderer = gtk_cell_renderer_pixbuf_new();
985         gtk_tree_view_column_pack_start (column, renderer, FALSE);
986         gtk_tree_view_column_set_cell_data_func(column, renderer,
987                                                 icon_cell_data, treeview, NULL);
988         
989         renderer = gtk_cell_renderer_text_new();
990         g_object_set (renderer, "ellipsize", PANGO_ELLIPSIZE_END, 
991                         "ellipsize-set", TRUE, NULL);
992         gtk_tree_view_column_pack_start (column, renderer, TRUE);
993         gtk_tree_view_column_set_cell_data_func(column, renderer,
994                                                 text_cell_data, treeview, NULL);
995         
996         /* Set selection mode */
997         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(treeview));
998         gtk_tree_selection_set_mode (sel, GTK_SELECTION_SINGLE);
999
1000         /* Set treeview appearance */
1001         gtk_tree_view_column_set_spacing (column, 2);
1002         gtk_tree_view_column_set_resizable (column, TRUE);
1003         gtk_tree_view_column_set_fixed_width (column, TRUE);            
1004         gtk_tree_view_set_headers_clickable (GTK_TREE_VIEW(treeview), FALSE);
1005         gtk_tree_view_set_enable_search (GTK_TREE_VIEW(treeview), FALSE);
1006
1007         /* Add column */
1008         gtk_tree_view_append_column (GTK_TREE_VIEW(treeview),column);
1009 }
1010
1011 static void
1012 modest_folder_view_init (ModestFolderView *obj)
1013 {
1014         ModestFolderViewPrivate *priv;
1015         ModestConf *conf;
1016         
1017         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
1018         
1019         priv->timer_expander = 0;
1020         priv->account_store  = NULL;
1021         priv->query          = NULL;
1022         priv->style          = MODEST_FOLDER_VIEW_STYLE_SHOW_ALL;
1023         priv->cur_folder_store   = NULL;
1024         priv->visible_account_id = NULL;
1025         priv->folder_to_select = NULL;
1026
1027         priv->reexpand = TRUE;
1028
1029         /* Initialize the local account name */
1030         conf = modest_runtime_get_conf();
1031         priv->local_account_name = modest_conf_get_string (conf, MODEST_CONF_DEVICE_NAME, NULL);
1032
1033         /* Init email clipboard */
1034         priv->clipboard = modest_runtime_get_email_clipboard ();
1035         priv->hidding_ids = NULL;
1036         priv->n_selected = 0;
1037         priv->reselect = FALSE;
1038         priv->show_non_move = TRUE;
1039
1040         /* Build treeview */
1041         add_columns (GTK_WIDGET (obj));
1042
1043         /* Setup drag and drop */
1044         setup_drag_and_drop (GTK_TREE_VIEW(obj));
1045
1046         /* Connect signals */
1047         g_signal_connect (G_OBJECT (obj), 
1048                           "key-press-event", 
1049                           G_CALLBACK (on_key_pressed), NULL);
1050
1051         priv->display_name_changed_signal = 
1052                 g_signal_connect (modest_runtime_get_account_mgr (),
1053                                   "display_name_changed",
1054                                   G_CALLBACK (on_display_name_changed),
1055                                   obj);
1056
1057         /*
1058          * Track changes in the local account name (in the device it
1059          * will be the device name)
1060          */
1061         priv->conf_key_signal = g_signal_connect (G_OBJECT(conf), 
1062                                                   "key_changed",
1063                                                   G_CALLBACK(on_configuration_key_changed), 
1064                                                   obj);
1065 }
1066
1067 static void
1068 tny_account_store_view_init (gpointer g, gpointer iface_data)
1069 {
1070         TnyAccountStoreViewIface *klass = (TnyAccountStoreViewIface *)g;
1071
1072         klass->set_account_store_func = modest_folder_view_set_account_store;
1073
1074         return;
1075 }
1076
1077 static void
1078 modest_folder_view_finalize (GObject *obj)
1079 {
1080         ModestFolderViewPrivate *priv;
1081         GtkTreeSelection    *sel;
1082         
1083         g_return_if_fail (obj);
1084         
1085         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(obj);
1086
1087         if (priv->timer_expander != 0) {
1088                 g_source_remove (priv->timer_expander);
1089                 priv->timer_expander = 0;
1090         }
1091
1092         if (priv->account_store) {
1093                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
1094                                              priv->account_inserted_signal);
1095                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
1096                                              priv->account_removed_signal);
1097                 g_signal_handler_disconnect (G_OBJECT(priv->account_store),
1098                                              priv->account_changed_signal);
1099                 g_object_unref (G_OBJECT(priv->account_store));
1100                 priv->account_store = NULL;
1101         }
1102
1103         if (priv->query) {
1104                 g_object_unref (G_OBJECT (priv->query));
1105                 priv->query = NULL;
1106         }
1107
1108 /*      modest_folder_view_disable_next_folder_selection (MODEST_FOLDER_VIEW(obj)); */
1109         if (priv->folder_to_select) {
1110                 g_object_unref (G_OBJECT(priv->folder_to_select));
1111                 priv->folder_to_select = NULL;
1112         }
1113    
1114         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW(obj));
1115         if (sel)
1116                 g_signal_handler_disconnect (G_OBJECT(sel), priv->changed_signal);
1117
1118         g_free (priv->local_account_name);
1119         g_free (priv->visible_account_id);
1120         
1121         if (priv->conf_key_signal) {
1122                 g_signal_handler_disconnect (modest_runtime_get_conf (),
1123                                              priv->conf_key_signal);
1124                 priv->conf_key_signal = 0;
1125         }
1126
1127         if (priv->cur_folder_store) {
1128                 if (TNY_IS_FOLDER(priv->cur_folder_store))
1129                         tny_folder_sync (TNY_FOLDER(priv->cur_folder_store), FALSE, NULL);
1130
1131                 g_object_unref (priv->cur_folder_store);
1132                 priv->cur_folder_store = NULL;
1133         }
1134
1135         /* Clear hidding array created by cut operation */
1136         _clear_hidding_filter (MODEST_FOLDER_VIEW (obj));
1137
1138         G_OBJECT_CLASS(parent_class)->finalize (obj);
1139 }
1140
1141
1142 static void
1143 modest_folder_view_set_account_store (TnyAccountStoreView *self, TnyAccountStore *account_store)
1144 {
1145         ModestFolderViewPrivate *priv;
1146         TnyDevice *device;
1147
1148         g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
1149         g_return_if_fail (TNY_IS_ACCOUNT_STORE (account_store));
1150
1151         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
1152         device = tny_account_store_get_device (account_store);
1153
1154         if (G_UNLIKELY (priv->account_store)) {
1155
1156                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store),
1157                                                    priv->account_inserted_signal))
1158                         g_signal_handler_disconnect (G_OBJECT (priv->account_store),
1159                                                      priv->account_inserted_signal);
1160                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store), 
1161                                                    priv->account_removed_signal))
1162                         g_signal_handler_disconnect (G_OBJECT (priv->account_store), 
1163                                                      priv->account_removed_signal);
1164                 if (g_signal_handler_is_connected (G_OBJECT (priv->account_store), 
1165                                                    priv->account_changed_signal))
1166                         g_signal_handler_disconnect (G_OBJECT (priv->account_store), 
1167                                                      priv->account_changed_signal);
1168                 g_object_unref (G_OBJECT (priv->account_store));
1169         }
1170
1171         priv->account_store = g_object_ref (G_OBJECT (account_store));
1172
1173         priv->account_removed_signal = 
1174                 g_signal_connect (G_OBJECT(account_store), "account_removed",
1175                                   G_CALLBACK (on_account_removed), self);
1176
1177         priv->account_inserted_signal =
1178                 g_signal_connect (G_OBJECT(account_store), "account_inserted",
1179                                   G_CALLBACK (on_account_inserted), self);
1180
1181         priv->account_changed_signal =
1182                 g_signal_connect (G_OBJECT(account_store), "account_changed",
1183                                   G_CALLBACK (on_account_changed), self);
1184
1185         modest_folder_view_update_model (MODEST_FOLDER_VIEW (self), account_store);
1186         
1187         g_object_unref (G_OBJECT (device));
1188 }
1189
1190 static void
1191 on_connection_status_changed (TnyAccount *self, 
1192                               TnyConnectionStatus status, 
1193                               gpointer user_data)
1194 {
1195         /* If the account becomes online then refresh it */
1196         if (status == TNY_CONNECTION_STATUS_CONNECTED) {
1197                 const gchar *acc_name;
1198                 GtkWidget *my_window;
1199
1200                 my_window = gtk_widget_get_ancestor (GTK_WIDGET (user_data), MODEST_TYPE_WINDOW);
1201                 acc_name = modest_tny_account_get_parent_modest_account_name_for_server_account (self);
1202                 modest_ui_actions_do_send_receive (acc_name, MODEST_WINDOW (my_window));
1203         }
1204 }
1205
1206 static void
1207 on_account_inserted (TnyAccountStore *account_store, 
1208                      TnyAccount *account,
1209                      gpointer user_data)
1210 {
1211         ModestFolderViewPrivate *priv;
1212         GtkTreeModel *sort_model, *filter_model;
1213
1214         /* Ignore transport account insertions, we're not showing them
1215            in the folder view */
1216         if (TNY_IS_TRANSPORT_ACCOUNT (account))
1217                 return;
1218
1219         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (user_data);
1220
1221         /* If we're adding a new account, and there is no previous
1222            one, we need to select the visible server account */
1223         if (priv->style == MODEST_FOLDER_VIEW_STYLE_SHOW_ONE &&
1224             !priv->visible_account_id)
1225                 modest_widget_memory_restore (modest_runtime_get_conf(), 
1226                                               G_OBJECT (user_data),
1227                                               MODEST_CONF_FOLDER_VIEW_KEY);
1228
1229         /* Get the inner model */
1230         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (user_data));
1231         sort_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filter_model));
1232
1233         /* Insert the account in the model */
1234         tny_list_append (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
1235                          G_OBJECT (account));
1236
1237
1238         /* When the store account gets online refresh it */
1239         g_signal_connect (account, "connection_status_changed", 
1240                           G_CALLBACK (on_connection_status_changed), 
1241                           MODEST_FOLDER_VIEW (user_data));
1242
1243         /* Refilter the model */
1244         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (filter_model));
1245 }
1246
1247
1248 static void
1249 on_account_changed (TnyAccountStore *account_store, 
1250                     TnyAccount *tny_account,
1251                     gpointer user_data)
1252 {
1253         ModestFolderViewPrivate *priv;
1254         GtkTreeModel *sort_model, *filter_model;
1255
1256         /* Ignore transport account insertions, we're not showing them
1257            in the folder view */
1258         if (TNY_IS_TRANSPORT_ACCOUNT (tny_account))
1259                 return;
1260
1261         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (user_data);
1262
1263         /* Get the inner model */
1264         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (user_data));
1265         sort_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filter_model));
1266
1267         /* Remove the account from the model */
1268         tny_list_remove (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
1269                          G_OBJECT (tny_account));
1270
1271         /* Insert the account in the model */
1272         tny_list_append (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
1273                          G_OBJECT (tny_account));
1274
1275         /* Refilter the model */
1276         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (filter_model));
1277 }
1278
1279 /**
1280  *
1281  * Selects the first inbox or the local account in an idle
1282  */
1283 static gboolean
1284 on_idle_select_first_inbox_or_local (gpointer user_data)
1285 {
1286         ModestFolderView *self = MODEST_FOLDER_VIEW (user_data);
1287
1288         modest_folder_view_select_first_inbox_or_local (self);
1289
1290         return FALSE;
1291 }
1292
1293
1294 static void
1295 on_account_removed (TnyAccountStore *account_store, 
1296                     TnyAccount *account,
1297                     gpointer user_data)
1298 {
1299         ModestFolderView *self = NULL;
1300         ModestFolderViewPrivate *priv;
1301         GtkTreeModel *sort_model, *filter_model;
1302         GtkTreeSelection *sel = NULL;
1303         gboolean same_account_selected = FALSE;
1304
1305         /* Ignore transport account removals, we're not showing them
1306            in the folder view */
1307         if (TNY_IS_TRANSPORT_ACCOUNT (account))
1308                 return;
1309
1310         self = MODEST_FOLDER_VIEW (user_data);
1311         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
1312
1313         /* Invalidate the cur_folder_store only if the selected folder
1314            belongs to the account that is being removed */
1315         if (priv->cur_folder_store) {
1316                 TnyAccount *selected_folder_account = NULL;
1317
1318                 if (TNY_IS_FOLDER (priv->cur_folder_store)) {
1319                         selected_folder_account = 
1320                                 tny_folder_get_account (TNY_FOLDER (priv->cur_folder_store));
1321                 } else {
1322                         selected_folder_account = 
1323                                 TNY_ACCOUNT (g_object_ref (priv->cur_folder_store));
1324                 }
1325
1326                 if (selected_folder_account == account) {
1327                         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
1328                         gtk_tree_selection_unselect_all (sel);
1329                         same_account_selected = TRUE;
1330                 }
1331                 g_object_unref (selected_folder_account);
1332         }
1333
1334         /* Invalidate row to select only if the folder to select
1335            belongs to the account that is being removed*/
1336         if (priv->folder_to_select) {
1337                 TnyAccount *folder_to_select_account = NULL;
1338
1339                 folder_to_select_account = tny_folder_get_account (priv->folder_to_select);
1340                 if (folder_to_select_account == account) {
1341                         modest_folder_view_disable_next_folder_selection (self);
1342                         g_object_unref (priv->folder_to_select);
1343                         priv->folder_to_select = NULL;
1344                 }
1345                 g_object_unref (folder_to_select_account);
1346         }
1347
1348         /* Remove the account from the model */
1349         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1350         sort_model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filter_model));
1351         tny_list_remove (TNY_LIST (gtk_tree_model_sort_get_model (GTK_TREE_MODEL_SORT (sort_model))),
1352                          G_OBJECT (account));
1353
1354         /* If the removed account is the currently viewed one then
1355            clear the configuration value. The new visible account will be the default account */
1356         if (priv->visible_account_id &&
1357             !strcmp (priv->visible_account_id, tny_account_get_id (account))) {
1358
1359                 /* Clear the current visible account_id */
1360                 modest_folder_view_set_account_id_of_visible_server_account (self, NULL);
1361
1362                 /* Call the restore method, this will set the new visible account */
1363                 modest_widget_memory_restore (modest_runtime_get_conf(), G_OBJECT(self),
1364                                               MODEST_CONF_FOLDER_VIEW_KEY);
1365         }
1366
1367         /* Refilter the model */
1368         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (filter_model));
1369
1370         /* Select the first INBOX if the currently selected folder
1371            belongs to the account that is being deleted */
1372         if (same_account_selected)
1373                 g_idle_add (on_idle_select_first_inbox_or_local, self);
1374 }
1375
1376 void
1377 modest_folder_view_set_title (ModestFolderView *self, const gchar *title)
1378 {
1379         GtkTreeViewColumn *col;
1380         
1381         g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
1382
1383         col = gtk_tree_view_get_column (GTK_TREE_VIEW(self), 0);
1384         if (!col) {
1385                 g_printerr ("modest: failed get column for title\n");
1386                 return;
1387         }
1388
1389         gtk_tree_view_column_set_title (col, title);
1390         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW(self),
1391                                            title != NULL);
1392 }
1393
1394 static gboolean
1395 modest_folder_view_on_map (ModestFolderView *self, 
1396                            GdkEventExpose *event,
1397                            gpointer data)
1398 {
1399         ModestFolderViewPrivate *priv;
1400
1401         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
1402
1403         /* This won't happen often */
1404         if (G_UNLIKELY (priv->reselect)) {
1405                 /* Select the first inbox or the local account if not found */
1406
1407                 /* TODO: this could cause a lock at startup, so we
1408                    comment it for the moment. We know that this will
1409                    be a bug, because the INBOX is not selected, but we
1410                    need to rewrite some parts of Modest to avoid the
1411                    deathlock situation */
1412                 /* TODO: check if this is still the case */
1413                 priv->reselect = FALSE;
1414                 modest_folder_view_select_first_inbox_or_local (self);
1415                 /* Notify the display name observers */
1416                 g_signal_emit (G_OBJECT(self),
1417                                signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL], 0,
1418                                NULL);
1419         }
1420
1421         if (priv->reexpand) {
1422                 expand_root_items (self); 
1423                 priv->reexpand = FALSE;
1424         }
1425
1426         return FALSE;
1427 }
1428
1429 GtkWidget*
1430 modest_folder_view_new (TnyFolderStoreQuery *query)
1431 {
1432         GObject *self;
1433         ModestFolderViewPrivate *priv;
1434         GtkTreeSelection *sel;
1435         
1436         self = G_OBJECT (g_object_new (MODEST_TYPE_FOLDER_VIEW, NULL));
1437         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
1438
1439         if (query)
1440                 priv->query = g_object_ref (query);
1441         
1442         sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(self));
1443         priv->changed_signal = g_signal_connect (sel, "changed",
1444                                                  G_CALLBACK (on_selection_changed), self);
1445
1446         g_signal_connect (self, "expose-event", G_CALLBACK (modest_folder_view_on_map), NULL);
1447
1448         return GTK_WIDGET(self);
1449 }
1450
1451 /* this feels dirty; any other way to expand all the root items? */
1452 static void
1453 expand_root_items (ModestFolderView *self)
1454 {
1455         GtkTreePath *path;
1456         GtkTreeModel *model;
1457         GtkTreeIter iter;
1458
1459         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
1460         path = gtk_tree_path_new_first ();
1461
1462         /* all folders should have child items, so.. */
1463         do {
1464                 gtk_tree_view_expand_row (GTK_TREE_VIEW(self), path, FALSE);
1465                 gtk_tree_path_next (path);
1466         } while (gtk_tree_model_get_iter (model, &iter, path));
1467         
1468         gtk_tree_path_free (path);
1469 }
1470
1471 /*
1472  * We use this function to implement the
1473  * MODEST_FOLDER_VIEW_STYLE_SHOW_ONE style. We only show the default
1474  * account in this case, and the local folders.
1475  */
1476 static gboolean 
1477 filter_row (GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
1478 {
1479         ModestFolderViewPrivate *priv;
1480         gboolean retval = TRUE;
1481         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
1482         GObject *instance = NULL;
1483         const gchar *id = NULL;
1484         guint i;
1485         gboolean found = FALSE;
1486         gboolean cleared = FALSE;
1487
1488         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (data), FALSE);
1489         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (data);
1490
1491         gtk_tree_model_get (model, iter,
1492                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
1493                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
1494                             -1);
1495
1496         /* Do not show if there is no instance, this could indeed
1497            happen when the model is being modified while it's being
1498            drawn. This could occur for example when moving folders
1499            using drag&drop */
1500         if (!instance)
1501                 return FALSE;
1502
1503         if (type == TNY_FOLDER_TYPE_ROOT) {
1504                 /* TNY_FOLDER_TYPE_ROOT means that the instance is an
1505                    account instead of a folder. */
1506                 if (TNY_IS_ACCOUNT (instance)) {
1507                         TnyAccount *acc = TNY_ACCOUNT (instance);
1508                         const gchar *account_id = tny_account_get_id (acc);
1509         
1510                         /* If it isn't a special folder, 
1511                          * don't show it unless it is the visible account: */
1512                         if (priv->style == MODEST_FOLDER_VIEW_STYLE_SHOW_ONE &&
1513                             !modest_tny_account_is_virtual_local_folders (acc) &&
1514                             strcmp (account_id, MODEST_MMC_ACCOUNT_ID)) {
1515                                 
1516                                 /* Show only the visible account id */
1517                                 if (priv->visible_account_id) {
1518                                         if (strcmp (account_id, priv->visible_account_id))
1519                                                 retval = FALSE;
1520                                 } else {
1521                                         retval = FALSE;
1522                                 }                               
1523                         }
1524                         
1525                         /* Never show these to the user. They are merged into one folder 
1526                          * in the local-folders account instead: */
1527                         if (retval && MODEST_IS_TNY_OUTBOX_ACCOUNT (acc))
1528                                 retval = FALSE;
1529                 }
1530         }
1531
1532         /* Check hiding (if necessary) */
1533         cleared = modest_email_clipboard_cleared (priv->clipboard);            
1534         if ((retval) && (!cleared) && (TNY_IS_FOLDER (instance))) {
1535                 id = tny_folder_get_id (TNY_FOLDER(instance));
1536                 if (priv->hidding_ids != NULL)
1537                         for (i=0; i < priv->n_selected && !found; i++)
1538                                 if (priv->hidding_ids[i] != NULL && id != NULL)
1539                                         found = (!strcmp (priv->hidding_ids[i], id));
1540                 
1541                 retval = !found;
1542         }
1543         
1544         
1545         /* If this is a move to dialog, hide Sent, Outbox and Drafts
1546         folder as no message can be move there according to UI specs */
1547         if (!priv->show_non_move) {
1548                 switch (type) {
1549                         case TNY_FOLDER_TYPE_OUTBOX:
1550                         case TNY_FOLDER_TYPE_SENT:
1551                         case TNY_FOLDER_TYPE_DRAFTS:
1552                                 retval = FALSE;
1553                                 break;
1554                         case TNY_FOLDER_TYPE_UNKNOWN:
1555                         case TNY_FOLDER_TYPE_NORMAL:
1556                                 type = modest_tny_folder_guess_folder_type(TNY_FOLDER(instance));
1557                                 if (type == TNY_FOLDER_TYPE_INVALID)
1558                                         g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
1559                                 
1560                                 if (type == TNY_FOLDER_TYPE_OUTBOX || 
1561                                     type == TNY_FOLDER_TYPE_SENT
1562                                     || type == TNY_FOLDER_TYPE_DRAFTS)
1563                                         retval = FALSE;
1564                                 break;
1565                         default:
1566                                 break;
1567                 }
1568         }
1569         
1570         /* Free */
1571         g_object_unref (instance);
1572
1573         return retval;
1574 }
1575
1576
1577 gboolean
1578 modest_folder_view_update_model (ModestFolderView *self,
1579                                  TnyAccountStore *account_store)
1580 {
1581         ModestFolderViewPrivate *priv;
1582         GtkTreeModel *model /* , *old_model */;                                                    
1583         GtkTreeModel *filter_model = NULL, *sortable = NULL;
1584
1585         g_return_val_if_fail (self && MODEST_IS_FOLDER_VIEW (self), FALSE);
1586         g_return_val_if_fail (account_store && MODEST_IS_TNY_ACCOUNT_STORE(account_store),
1587                               FALSE);
1588         
1589         priv =  MODEST_FOLDER_VIEW_GET_PRIVATE(self);
1590         
1591         /* Notify that there is no folder selected */
1592         g_signal_emit (G_OBJECT(self), 
1593                        signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
1594                        NULL, FALSE);
1595         if (priv->cur_folder_store) {
1596                 g_object_unref (priv->cur_folder_store);
1597                 priv->cur_folder_store = NULL;
1598         }
1599
1600         /* FIXME: the local accounts are not shown when the query
1601            selects only the subscribed folders */
1602         model        = tny_gtk_folder_store_tree_model_new (NULL);
1603
1604         /* Get the accounts: */
1605         tny_account_store_get_accounts (TNY_ACCOUNT_STORE(account_store),
1606                                         TNY_LIST (model),
1607                                         TNY_ACCOUNT_STORE_STORE_ACCOUNTS);
1608
1609         sortable = gtk_tree_model_sort_new_with_model (model);
1610         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE(sortable),
1611                                               TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, 
1612                                               GTK_SORT_ASCENDING);
1613         gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (sortable),
1614                                          TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN,
1615                                          cmp_rows, NULL, NULL);
1616
1617         /* Create filter model */
1618         filter_model = gtk_tree_model_filter_new (sortable, NULL);
1619         gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (filter_model),
1620                                                 filter_row,
1621                                                 self,
1622                                                 NULL);
1623
1624         /* Set new model */
1625         gtk_tree_view_set_model (GTK_TREE_VIEW(self), filter_model);
1626         g_signal_connect (G_OBJECT(filter_model), "row-inserted",
1627                           (GCallback) on_row_inserted_maybe_select_folder, self);
1628
1629
1630         g_object_unref (model);
1631         g_object_unref (filter_model);          
1632         g_object_unref (sortable);
1633         
1634         /* Force a reselection of the INBOX next time the widget is shown */
1635         priv->reselect = TRUE;
1636                         
1637         return TRUE;
1638 }
1639
1640
1641 static void
1642 on_selection_changed (GtkTreeSelection *sel, gpointer user_data)
1643 {
1644         GtkTreeModel *model = NULL;
1645         TnyFolderStore *folder = NULL;
1646         GtkTreeIter iter;
1647         ModestFolderView *tree_view = NULL;
1648         ModestFolderViewPrivate *priv = NULL;
1649         gboolean selected = FALSE;
1650
1651         g_return_if_fail (sel);
1652         g_return_if_fail (user_data);
1653         
1654         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(user_data);
1655
1656         selected = gtk_tree_selection_get_selected (sel, &model, &iter);
1657
1658         /* Notify the display name observers */
1659         g_signal_emit (G_OBJECT(user_data),
1660                        signals[FOLDER_DISPLAY_NAME_CHANGED_SIGNAL], 0,
1661                        NULL);
1662
1663         tree_view = MODEST_FOLDER_VIEW (user_data);
1664
1665         if (selected) {
1666                 gtk_tree_model_get (model, &iter,
1667                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
1668                                     -1);
1669
1670                 /* If the folder is the same do not notify */
1671                 if (folder && priv->cur_folder_store == folder) {
1672                         g_object_unref (folder);
1673                         return;
1674                 }
1675         }
1676         
1677         /* Current folder was unselected */
1678         if (priv->cur_folder_store) {
1679                 g_signal_emit (G_OBJECT(tree_view), signals[FOLDER_SELECTION_CHANGED_SIGNAL], 0,
1680                        priv->cur_folder_store, FALSE);
1681
1682                 if (TNY_IS_FOLDER(priv->cur_folder_store))
1683                         tny_folder_sync_async (TNY_FOLDER(priv->cur_folder_store),
1684                                                FALSE, NULL, NULL, NULL);
1685
1686                 /* FALSE --> don't expunge the messages */
1687
1688                 g_object_unref (priv->cur_folder_store);
1689                 priv->cur_folder_store = NULL;
1690         }
1691
1692         /* New current references */
1693         priv->cur_folder_store = folder;
1694
1695         /* New folder has been selected. Do not notify if there is
1696            nothing new selected */
1697         if (selected) {
1698                 g_signal_emit (G_OBJECT(tree_view),
1699                                signals[FOLDER_SELECTION_CHANGED_SIGNAL],
1700                                0, priv->cur_folder_store, TRUE);
1701         }
1702 }
1703
1704 TnyFolderStore *
1705 modest_folder_view_get_selected (ModestFolderView *self)
1706 {
1707         ModestFolderViewPrivate *priv;
1708         
1709         g_return_val_if_fail (self && MODEST_IS_FOLDER_VIEW(self), NULL);
1710         
1711         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
1712         if (priv->cur_folder_store)
1713                 g_object_ref (priv->cur_folder_store);
1714
1715         return priv->cur_folder_store;
1716 }
1717
1718 static gint
1719 get_cmp_rows_type_pos (GObject *folder)
1720 {
1721         /* Remote accounts -> Local account -> MMC account .*/
1722         /* 0, 1, 2 */
1723         
1724         if (TNY_IS_ACCOUNT (folder) && 
1725                 modest_tny_account_is_virtual_local_folders (
1726                         TNY_ACCOUNT (folder))) {
1727                 return 1;
1728         } else if (TNY_IS_ACCOUNT (folder)) {
1729                 TnyAccount *account = TNY_ACCOUNT (folder);
1730                 const gchar *account_id = tny_account_get_id (account);
1731                 if (!strcmp (account_id, MODEST_MMC_ACCOUNT_ID))
1732                         return 2;
1733                 else
1734                         return 0;
1735         }
1736         else {
1737                 printf ("DEBUG: %s: unexpected type.\n", __FUNCTION__);
1738                 return -1; /* Should never happen */
1739         }
1740 }
1741
1742 static gint
1743 get_cmp_subfolder_type_pos (TnyFolderType t)
1744 {
1745         /* Inbox, Outbox, Drafts, Sent, User */
1746         /* 0, 1, 2, 3, 4 */
1747
1748         switch (t) {
1749         case TNY_FOLDER_TYPE_INBOX:
1750                 return 0;
1751                 break;
1752         case TNY_FOLDER_TYPE_OUTBOX:
1753                 return 1;
1754                 break;
1755         case TNY_FOLDER_TYPE_DRAFTS:
1756                 return 2;
1757                 break;
1758         case TNY_FOLDER_TYPE_SENT:
1759                 return 3;
1760                 break;
1761         default:
1762                 return 4;
1763         }
1764 }
1765
1766 /*
1767  * This function orders the mail accounts according to these rules:
1768  * 1st - remote accounts
1769  * 2nd - local account
1770  * 3rd - MMC account
1771  */
1772 static gint
1773 cmp_rows (GtkTreeModel *tree_model, GtkTreeIter *iter1, GtkTreeIter *iter2,
1774           gpointer user_data)
1775 {
1776         gint cmp = 0;
1777         gchar *name1 = NULL;
1778         gchar *name2 = NULL;
1779         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
1780         TnyFolderType type2 = TNY_FOLDER_TYPE_UNKNOWN;
1781         GObject *folder1 = NULL;
1782         GObject *folder2 = NULL;
1783
1784         gtk_tree_model_get (tree_model, iter1,
1785                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name1,
1786                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
1787                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder1,
1788                             -1);
1789         gtk_tree_model_get (tree_model, iter2,
1790                             TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name2,
1791                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type2,
1792                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder2,
1793                             -1);
1794
1795         /* Return if we get no folder. This could happen when folder
1796            operations are happening. The model is updated after the
1797            folder copy/move actually occurs, so there could be
1798            situations where the model to be drawn is not correct */
1799         if (!folder1 || !folder2)
1800                 goto finish;
1801
1802         if (type == TNY_FOLDER_TYPE_ROOT) {
1803                 /* Compare the types, so that 
1804                  * Remote accounts -> Local account -> MMC account .*/
1805                 const gint pos1 = get_cmp_rows_type_pos (folder1);
1806                 const gint pos2 = get_cmp_rows_type_pos (folder2);
1807                 /* printf ("DEBUG: %s:\n  type1=%s, pos1=%d\n  type2=%s, pos2=%d\n", 
1808                         __FUNCTION__, G_OBJECT_TYPE_NAME(folder1), pos1, G_OBJECT_TYPE_NAME(folder2), pos2); */
1809                 if (pos1 <  pos2)
1810                         cmp = -1;
1811                 else if (pos1 > pos2)
1812                         cmp = 1;
1813                 else {
1814                         /* Compare items of the same type: */
1815                         
1816                         TnyAccount *account1 = NULL;
1817                         if (TNY_IS_ACCOUNT (folder1))
1818                                 account1 = TNY_ACCOUNT (folder1);
1819                                 
1820                         TnyAccount *account2 = NULL;
1821                         if (TNY_IS_ACCOUNT (folder2))
1822                                 account2 = TNY_ACCOUNT (folder2);
1823                                 
1824                         const gchar *account_id = account1 ? tny_account_get_id (account1) : NULL;
1825                         const gchar *account_id2 = account2 ? tny_account_get_id (account2) : NULL;
1826         
1827                         if (!account_id && !account_id2) {
1828                                 cmp = 0;
1829                         } else if (!account_id) {
1830                                 cmp = -1;
1831                         } else if (!account_id2) {
1832                                 cmp = +1;
1833                         } else if (!strcmp (account_id, MODEST_MMC_ACCOUNT_ID)) {
1834                                 cmp = +1;
1835                         } else {
1836                                 cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
1837                         }
1838                 }
1839         } else {
1840                 gint cmp1 = 0, cmp2 = 0;
1841                 /* get the parent to know if it's a local folder */
1842
1843                 GtkTreeIter parent;
1844                 gboolean has_parent;
1845                 has_parent = gtk_tree_model_iter_parent (tree_model, &parent, iter1);
1846                 if (has_parent) {
1847                         GObject *parent_folder;
1848                         TnyFolderType parent_type = TNY_FOLDER_TYPE_UNKNOWN;
1849                         gtk_tree_model_get (tree_model, &parent, 
1850                                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &parent_type,
1851                                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &parent_folder,
1852                                             -1);
1853                         if ((parent_type == TNY_FOLDER_TYPE_ROOT) &&
1854                             TNY_IS_ACCOUNT (parent_folder) &&
1855                             modest_tny_account_is_virtual_local_folders (TNY_ACCOUNT (parent_folder))) {
1856                                 cmp1 = get_cmp_subfolder_type_pos (modest_tny_folder_get_local_or_mmc_folder_type
1857                                                                    (TNY_FOLDER (folder1)));
1858                                 cmp2 = get_cmp_subfolder_type_pos (modest_tny_folder_get_local_or_mmc_folder_type
1859                                                                    (TNY_FOLDER (folder2)));
1860                         }
1861                         g_object_unref (parent_folder);
1862                 }
1863                 
1864                 /* if they are not local folders */
1865                 if (cmp1 == cmp2) {
1866                         cmp1 = get_cmp_subfolder_type_pos (tny_folder_get_folder_type (TNY_FOLDER (folder1)));
1867                         cmp2 = get_cmp_subfolder_type_pos (tny_folder_get_folder_type (TNY_FOLDER (folder2)));
1868                 }
1869
1870                 if (cmp1 == cmp2)
1871                         cmp = modest_text_utils_utf8_strcmp (name1, name2, TRUE);
1872                 else 
1873                         cmp = (cmp1 - cmp2);
1874         }
1875
1876 finish: 
1877         if (folder1)
1878                 g_object_unref(G_OBJECT(folder1));
1879         if (folder2)
1880                 g_object_unref(G_OBJECT(folder2));
1881
1882         g_free (name1);
1883         g_free (name2);
1884
1885         return cmp;     
1886 }
1887
1888 /*****************************************************************************/
1889 /*                        DRAG and DROP stuff                                */
1890 /*****************************************************************************/
1891 /*
1892  * This function fills the #GtkSelectionData with the row and the
1893  * model that has been dragged. It's called when this widget is a
1894  * source for dnd after the event drop happened
1895  */
1896 static void
1897 on_drag_data_get (GtkWidget *widget, GdkDragContext *context, GtkSelectionData *selection_data, 
1898                   guint info, guint time, gpointer data)
1899 {
1900         GtkTreeSelection *selection;
1901         GtkTreeModel *model;
1902         GtkTreeIter iter;
1903         GtkTreePath *source_row;
1904         
1905         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
1906         if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
1907
1908                 source_row = gtk_tree_model_get_path (model, &iter);
1909                 gtk_tree_set_row_drag_data (selection_data,
1910                                             model,
1911                                             source_row);
1912                 
1913                 gtk_tree_path_free (source_row);
1914         }
1915 }
1916
1917 typedef struct _DndHelper {
1918         gboolean delete_source;
1919         GtkTreePath *source_row;
1920         GdkDragContext *context;
1921         guint time;
1922 } DndHelper;
1923
1924 static void
1925 dnd_helper_destroyer (DndHelper *helper)
1926 {
1927         /* Free the helper */
1928         gtk_tree_path_free (helper->source_row);
1929         g_slice_free (DndHelper, helper);
1930 }
1931
1932 /*
1933  * This function is the callback of the
1934  * modest_mail_operation_xfer_msgs () and
1935  * modest_mail_operation_xfer_folder() calls. We check here if the
1936  * message/folder was correctly asynchronously transferred. The reason
1937  * to use the same callback is that the code is the same, it only has
1938  * to check that the operation went fine and then finalize the drag
1939  * and drop action
1940  */
1941 static void
1942 xfer_cb (ModestMailOperation *mail_op, 
1943          gpointer user_data)
1944 {
1945         gboolean success;
1946         DndHelper *helper;
1947
1948         helper = (DndHelper *) user_data;
1949
1950         if (modest_mail_operation_get_status (mail_op) == 
1951             MODEST_MAIL_OPERATION_STATUS_SUCCESS) {
1952                 success = TRUE;
1953         } else {
1954                 success = FALSE;
1955         }
1956
1957         /* Notify the drag source. Never call delete, the monitor will
1958            do the job if needed */
1959         gtk_drag_finish (helper->context, success, FALSE, helper->time);
1960
1961         /* Free the helper */
1962         dnd_helper_destroyer (helper);
1963 }
1964
1965 /* get the folder for the row the treepath refers to. */
1966 /* folder must be unref'd */
1967 static TnyFolderStore *
1968 tree_path_to_folder (GtkTreeModel *model, GtkTreePath *path)
1969 {
1970         GtkTreeIter iter;
1971         TnyFolderStore *folder = NULL;
1972         
1973         if (gtk_tree_model_get_iter (model,&iter, path))
1974                 gtk_tree_model_get (model, &iter,
1975                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &folder,
1976                                     -1);
1977         return folder;
1978 }
1979
1980 /*
1981  * This function is used by drag_data_received_cb to manage drag and
1982  * drop of a header, i.e, and drag from the header view to the folder
1983  * view.
1984  */
1985 static void
1986 drag_and_drop_from_header_view (GtkTreeModel *source_model,
1987                                 GtkTreeModel *dest_model,
1988                                 GtkTreePath  *dest_row,
1989                                 GtkSelectionData *selection_data,
1990                                 DndHelper    *helper)
1991 {
1992         TnyList *headers = NULL;
1993         TnyFolder *folder = NULL;
1994         TnyFolderType folder_type;
1995         ModestMailOperation *mail_op = NULL;
1996         GtkTreeIter source_iter, dest_iter;
1997         ModestWindowMgr *mgr = NULL;
1998         ModestWindow *main_win = NULL;
1999         gchar **uris, **tmp;
2000         gint response;
2001
2002         /* Build the list of headers */
2003         mgr = modest_runtime_get_window_mgr ();
2004         headers = tny_simple_list_new ();
2005         uris = modest_dnd_selection_data_get_paths (selection_data);
2006         tmp = uris;
2007
2008         while (*tmp != NULL) {
2009                 TnyHeader *header;
2010                 GtkTreePath *path;
2011
2012                 /* Get header */
2013                 path = gtk_tree_path_new_from_string (*tmp);
2014                 gtk_tree_model_get_iter (source_model, &source_iter, path);
2015                 gtk_tree_model_get (source_model, &source_iter, 
2016                                     TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN, 
2017                                     &header, -1);
2018
2019                 /* Do not enable d&d of headers already opened */
2020                 if (!modest_window_mgr_find_registered_header(mgr, header, NULL))
2021                         tny_list_append (headers, G_OBJECT (header));
2022
2023                 /* Free and go on */
2024                 gtk_tree_path_free (path);
2025                 g_object_unref (header);
2026                 tmp++;
2027         }
2028         g_strfreev (uris);
2029
2030         /* Get the target folder */
2031         gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
2032         gtk_tree_model_get (dest_model, &dest_iter, 
2033                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
2034                             &folder, -1);
2035         
2036         if (!folder || !TNY_IS_FOLDER(folder)) {
2037 /*              g_warning ("%s: not a valid target folder (%p)", __FUNCTION__, folder); */
2038                 goto cleanup;
2039         }
2040         
2041         folder_type = modest_tny_folder_guess_folder_type (folder);
2042         if (folder_type == TNY_FOLDER_TYPE_INVALID) {
2043 /*              g_warning ("%s: invalid target folder", __FUNCTION__); */
2044                 goto cleanup;  /* cannot move messages there */
2045         }
2046         
2047         if (modest_tny_folder_get_rules((TNY_FOLDER(folder))) & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2048 /*              g_warning ("folder not writable"); */
2049                 goto cleanup; /* verboten! */
2050         }
2051         
2052         /* Ask for confirmation to move */
2053         main_win = modest_window_mgr_get_main_window (mgr, FALSE); /* don't create */
2054         if (!main_win) {
2055                 g_warning ("%s: BUG: no main window found", __FUNCTION__);
2056                 goto cleanup;
2057         }
2058
2059         response = modest_ui_actions_msgs_move_to_confirmation (main_win, folder, 
2060                                                                 TRUE, headers);
2061         if (response == GTK_RESPONSE_CANCEL)
2062                 goto cleanup;
2063
2064         /* Transfer messages */
2065         mail_op = modest_mail_operation_new_with_error_handling ((GObject *) main_win,
2066                                                                  modest_ui_actions_move_folder_error_handler,
2067                                                                  NULL, NULL);
2068
2069         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
2070                                          mail_op);
2071
2072         modest_mail_operation_xfer_msgs (mail_op,
2073                                          headers, 
2074                                          folder, 
2075                                          helper->delete_source, 
2076                                          xfer_cb, helper);
2077         
2078         /* Frees */
2079 cleanup:
2080         if (G_IS_OBJECT(mail_op))
2081                 g_object_unref (G_OBJECT (mail_op));
2082         if (G_IS_OBJECT(folder))
2083                 g_object_unref (G_OBJECT (folder));
2084         if (G_IS_OBJECT(headers))
2085                 g_object_unref (headers);
2086 }
2087
2088 typedef struct {
2089         TnyFolderStore *src_folder;
2090         TnyFolderStore *dst_folder;
2091         DndHelper *helper; 
2092 } DndFolderInfo;
2093
2094 static void
2095 dnd_folder_info_destroyer (DndFolderInfo *info)
2096 {
2097         if (info->src_folder)
2098                 g_object_unref (info->src_folder);
2099         if (info->dst_folder)
2100                 g_object_unref (info->dst_folder);
2101         g_slice_free (DndFolderInfo, info);
2102 }
2103
2104 static void
2105 dnd_on_connection_failed_destroyer (DndFolderInfo *info,
2106                                     GtkWindow *parent_window,
2107                                     TnyAccount *account)
2108 {
2109         time_t dnd_time = info->helper->time;
2110         GdkDragContext *context = info->helper->context;
2111         
2112         /* Show error */
2113         modest_ui_actions_on_account_connection_error (parent_window, account);
2114
2115         /* Free the helper & info */
2116         dnd_helper_destroyer (info->helper);
2117         dnd_folder_info_destroyer (info);
2118         
2119         /* Notify the drag source. Never call delete, the monitor will
2120            do the job if needed */
2121         gtk_drag_finish (context, FALSE, FALSE, dnd_time);
2122         return;
2123 }
2124
2125 static void
2126 drag_and_drop_from_folder_view_src_folder_performer (gboolean canceled, 
2127                                                      GError *err,
2128                                                      GtkWindow *parent_window, 
2129                                                      TnyAccount *account, 
2130                                                      gpointer user_data)
2131 {
2132         DndFolderInfo *info = NULL;
2133         ModestMailOperation *mail_op;
2134
2135         info = (DndFolderInfo *) user_data;
2136
2137         if (err || canceled) {
2138                 dnd_on_connection_failed_destroyer (info, parent_window, account);
2139                 return;
2140         }
2141
2142         /* Do the mail operation */
2143         mail_op = modest_mail_operation_new_with_error_handling ((GObject *) parent_window,
2144                                                                  modest_ui_actions_move_folder_error_handler,
2145                                                                  info->src_folder, NULL);
2146
2147         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
2148                                          mail_op);
2149
2150         /* Transfer the folder */
2151         modest_mail_operation_xfer_folder (mail_op,
2152                                            TNY_FOLDER (info->src_folder),
2153                                            info->dst_folder,
2154                                            info->helper->delete_source,
2155                                            xfer_cb,
2156                                            info->helper);
2157         
2158         g_object_unref (G_OBJECT (mail_op));
2159 }
2160
2161
2162 static void
2163 drag_and_drop_from_folder_view_dst_folder_performer (gboolean canceled, 
2164                                                      GError *err,
2165                                                      GtkWindow *parent_window, 
2166                                                      TnyAccount *account, 
2167                                                      gpointer user_data)
2168 {
2169         DndFolderInfo *info = NULL;
2170
2171         info = (DndFolderInfo *) user_data;
2172
2173         if (err || canceled) {
2174                 dnd_on_connection_failed_destroyer (info, parent_window, account);
2175                 return;
2176         }
2177
2178         /* Connect to source folder and perform the copy/move */
2179         modest_platform_connect_if_remote_and_perform (NULL, 
2180                                                        info->src_folder,
2181                                                        drag_and_drop_from_folder_view_src_folder_performer,
2182                                                        info);
2183 }
2184
2185 /*
2186  * This function is used by drag_data_received_cb to manage drag and
2187  * drop of a folder, i.e, and drag from the folder view to the same
2188  * folder view.
2189  */
2190 static void
2191 drag_and_drop_from_folder_view (GtkTreeModel     *source_model,
2192                                 GtkTreeModel     *dest_model,
2193                                 GtkTreePath      *dest_row,
2194                                 GtkSelectionData *selection_data,
2195                                 DndHelper        *helper)
2196 {
2197         GtkTreeIter dest_iter, iter;
2198         TnyFolderStore *dest_folder = NULL;
2199         TnyFolderStore *folder = NULL;
2200         gboolean forbidden = FALSE;
2201         ModestWindow *win;
2202         DndFolderInfo *info = NULL;
2203
2204         win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(), FALSE); /* don't create */
2205         if (!win) {
2206                 g_warning ("%s: BUG: no main window", __FUNCTION__);
2207                 return;
2208         }
2209         
2210         if (!forbidden) {
2211                 /* check the folder rules for the destination */
2212                 folder = tree_path_to_folder (dest_model, dest_row);
2213                 if (TNY_IS_FOLDER(folder)) {
2214                         ModestTnyFolderRules rules =
2215                                 modest_tny_folder_get_rules (TNY_FOLDER (folder));
2216                         forbidden = rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE;
2217                 } else if (TNY_IS_FOLDER_STORE(folder)) {
2218                         /* enable local root as destination for folders */
2219                         if (!MODEST_IS_TNY_LOCAL_FOLDERS_ACCOUNT (folder)
2220                                         && TNY_IS_ACCOUNT (folder))
2221                                 forbidden = TRUE;
2222                 }
2223                 g_object_unref (folder);
2224         }
2225         if (!forbidden) {
2226                 /* check the folder rules for the source */
2227                 folder = tree_path_to_folder (source_model, helper->source_row);
2228                 if (TNY_IS_FOLDER(folder)) {
2229                         ModestTnyFolderRules rules =
2230                                 modest_tny_folder_get_rules (TNY_FOLDER (folder));
2231                         forbidden = rules & MODEST_FOLDER_RULES_FOLDER_NON_MOVEABLE;
2232                 } else
2233                         forbidden = TRUE;
2234                 g_object_unref (folder);
2235         }
2236
2237         
2238         /* Check if the drag is possible */
2239         if (forbidden || !gtk_tree_path_compare (helper->source_row, dest_row)) {
2240                 gtk_drag_finish (helper->context, FALSE, FALSE, helper->time);
2241                 gtk_tree_path_free (helper->source_row);        
2242                 g_slice_free (DndHelper, helper);
2243                 return;
2244         }
2245
2246         /* Get data */
2247         gtk_tree_model_get_iter (dest_model, &dest_iter, dest_row);
2248         gtk_tree_model_get (dest_model, &dest_iter, 
2249                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, 
2250                             &dest_folder, -1);
2251         gtk_tree_model_get_iter (source_model, &iter, helper->source_row);
2252         gtk_tree_model_get (source_model, &iter,
2253                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN,
2254                             &folder, -1);
2255
2256         /* Create the info for the performer */
2257         info = g_slice_new (DndFolderInfo);
2258         info->src_folder = g_object_ref (folder);
2259         info->dst_folder = g_object_ref (dest_folder);
2260         info->helper = helper;
2261
2262         /* Connect to the destination folder and perform the copy/move */
2263         modest_platform_connect_if_remote_and_perform (GTK_WINDOW (win), 
2264                                                        dest_folder,
2265                                                        drag_and_drop_from_folder_view_dst_folder_performer,
2266                                                        info);
2267         
2268         /* Frees */
2269         g_object_unref (dest_folder);
2270         g_object_unref (folder);
2271 }
2272
2273 /*
2274  * This function receives the data set by the "drag-data-get" signal
2275  * handler. This information comes within the #GtkSelectionData. This
2276  * function will manage both the drags of folders of the treeview and
2277  * drags of headers of the header view widget.
2278  */
2279 static void 
2280 on_drag_data_received (GtkWidget *widget, 
2281                        GdkDragContext *context, 
2282                        gint x, 
2283                        gint y, 
2284                        GtkSelectionData *selection_data, 
2285                        guint target_type, 
2286                        guint time, 
2287                        gpointer data)
2288 {
2289         GtkWidget *source_widget;
2290         GtkTreeModel *dest_model, *source_model;
2291         GtkTreePath *source_row, *dest_row;
2292         GtkTreeViewDropPosition pos;
2293         gboolean success = FALSE, delete_source = FALSE;
2294         DndHelper *helper = NULL; 
2295
2296         /* Do not allow further process */
2297         g_signal_stop_emission_by_name (widget, "drag-data-received");
2298         source_widget = gtk_drag_get_source_widget (context);
2299
2300         /* Get the action */
2301         if (context->action == GDK_ACTION_MOVE) {
2302                 delete_source = TRUE;
2303
2304                 /* Notify that there is no folder selected. We need to
2305                    do this in order to update the headers view (and
2306                    its monitors, because when moving, the old folder
2307                    won't longer exist. We can not wait for the end of
2308                    the operation, because the operation won't start if
2309                    the folder is in use */
2310                 if (source_widget == widget) {
2311                         GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
2312                         gtk_tree_selection_unselect_all (sel);
2313                 }
2314         }
2315
2316         /* Check if the get_data failed */
2317         if (selection_data == NULL || selection_data->length < 0)
2318                 gtk_drag_finish (context, success, FALSE, time);
2319
2320         /* Select the destination model */
2321         dest_model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));  
2322
2323         /* Get the path to the destination row. Can not call
2324            gtk_tree_view_get_drag_dest_row() because the source row
2325            is not selected anymore */
2326         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget), x, y,
2327                                            &dest_row, &pos);
2328
2329         /* Only allow drops IN other rows */
2330         if (!dest_row || 
2331             pos == GTK_TREE_VIEW_DROP_BEFORE || 
2332             pos == GTK_TREE_VIEW_DROP_AFTER)
2333                 gtk_drag_finish (context, success, FALSE, time);
2334
2335         /* Create the helper */
2336         helper = g_slice_new0 (DndHelper);
2337         helper->delete_source = delete_source;
2338         helper->context = context;
2339         helper->time = time;
2340
2341         /* Drags from the header view */
2342         if (source_widget != widget) {
2343                 source_model = gtk_tree_view_get_model (GTK_TREE_VIEW (source_widget));
2344
2345                 drag_and_drop_from_header_view (source_model,
2346                                                 dest_model,
2347                                                 dest_row,
2348                                                 selection_data,
2349                                                 helper);
2350         } else {
2351                 /* Get the source model and row */
2352                 gtk_tree_get_row_drag_data (selection_data,
2353                                             &source_model,
2354                                             &source_row);
2355                 helper->source_row = gtk_tree_path_copy (source_row);
2356
2357                 drag_and_drop_from_folder_view (source_model,
2358                                                 dest_model,
2359                                                 dest_row,
2360                                                 selection_data, 
2361                                                 helper);
2362
2363                 gtk_tree_path_free (source_row);
2364         }
2365
2366         /* Frees */
2367         gtk_tree_path_free (dest_row);
2368 }
2369
2370 /*
2371  * We define a "drag-drop" signal handler because we do not want to
2372  * use the default one, because the default one always calls
2373  * gtk_drag_finish and we prefer to do it in the "drag-data-received"
2374  * signal handler, because there we have all the information available
2375  * to know if the dnd was a success or not.
2376  */
2377 static gboolean
2378 drag_drop_cb (GtkWidget      *widget,
2379               GdkDragContext *context,
2380               gint            x,
2381               gint            y,
2382               guint           time,
2383               gpointer        user_data) 
2384 {
2385         gpointer target;
2386
2387         if (!context->targets)
2388                 return FALSE;
2389
2390         /* Check if we're dragging a folder row */
2391         target = gtk_drag_dest_find_target (widget, context, NULL);
2392
2393         /* Request the data from the source. */
2394         gtk_drag_get_data(widget, context, target, time);
2395
2396     return TRUE;
2397 }
2398
2399 /*
2400  * This function expands a node of a tree view if it's not expanded
2401  * yet. Not sure why it needs the threads stuff, but gtk+`example code
2402  * does that, so that's why they're here.
2403  */
2404 static gint
2405 expand_row_timeout (gpointer data)
2406 {
2407         GtkTreeView *tree_view = data;
2408         GtkTreePath *dest_path = NULL;
2409         GtkTreeViewDropPosition pos;
2410         gboolean result = FALSE;
2411         
2412         gdk_threads_enter ();
2413         
2414         gtk_tree_view_get_drag_dest_row (tree_view,
2415                                          &dest_path,
2416                                          &pos);
2417         
2418         if (dest_path &&
2419             (pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER ||
2420              pos == GTK_TREE_VIEW_DROP_INTO_OR_BEFORE)) {
2421                 gtk_tree_view_expand_row (tree_view, dest_path, FALSE);
2422                 gtk_tree_path_free (dest_path);
2423         }
2424         else {
2425                 if (dest_path)
2426                         gtk_tree_path_free (dest_path);
2427                 
2428                 result = TRUE;
2429         }
2430         
2431         gdk_threads_leave ();
2432
2433         return result;
2434 }
2435
2436 /*
2437  * This function is called whenever the pointer is moved over a widget
2438  * while dragging some data. It installs a timeout that will expand a
2439  * node of the treeview if not expanded yet. This function also calls
2440  * gdk_drag_status in order to set the suggested action that will be
2441  * used by the "drag-data-received" signal handler to know if we
2442  * should do a move or just a copy of the data.
2443  */
2444 static gboolean
2445 on_drag_motion (GtkWidget      *widget,
2446                 GdkDragContext *context,
2447                 gint            x,
2448                 gint            y,
2449                 guint           time,
2450                 gpointer        user_data)  
2451 {
2452         GtkTreeViewDropPosition pos;
2453         GtkTreePath *dest_row;
2454         GtkTreeModel *dest_model;
2455         ModestFolderViewPrivate *priv;
2456         GdkDragAction suggested_action;
2457         gboolean valid_location = FALSE;
2458         TnyFolderStore *folder = NULL;
2459
2460         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (widget);
2461
2462         if (priv->timer_expander != 0) {
2463                 g_source_remove (priv->timer_expander);
2464                 priv->timer_expander = 0;
2465         }
2466
2467         gtk_tree_view_get_dest_row_at_pos (GTK_TREE_VIEW (widget),
2468                                            x, y,
2469                                            &dest_row,
2470                                            &pos);
2471
2472         /* Do not allow drops between folders */
2473         if (!dest_row ||
2474             pos == GTK_TREE_VIEW_DROP_BEFORE ||
2475             pos == GTK_TREE_VIEW_DROP_AFTER) {
2476                 gtk_tree_view_set_drag_dest_row(GTK_TREE_VIEW (widget), NULL, 0);
2477                 gdk_drag_status(context, 0, time);
2478                 valid_location = FALSE;
2479                 goto out;
2480         } else {
2481                 valid_location = TRUE;
2482         }
2483
2484         /* Check that the destination folder is writable */
2485         dest_model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
2486         folder = tree_path_to_folder (dest_model, dest_row);
2487         if (folder && TNY_IS_FOLDER (folder)) {
2488                 ModestTnyFolderRules rules = modest_tny_folder_get_rules(TNY_FOLDER (folder));
2489
2490                 if (rules & MODEST_FOLDER_RULES_FOLDER_NON_WRITEABLE) {
2491                         valid_location = FALSE;
2492                         goto out;
2493                 }
2494         }
2495
2496         /* Expand the selected row after 1/2 second */
2497         if (!gtk_tree_view_row_expanded (GTK_TREE_VIEW (widget), dest_row)) {
2498                 gtk_tree_view_set_drag_dest_row (GTK_TREE_VIEW (widget), dest_row, pos);
2499                 priv->timer_expander = g_timeout_add (500, expand_row_timeout, widget);
2500         }
2501
2502         /* Select the desired action. By default we pick MOVE */
2503         suggested_action = GDK_ACTION_MOVE;
2504
2505         if (context->actions == GDK_ACTION_COPY)
2506             gdk_drag_status(context, GDK_ACTION_COPY, time);
2507         else if (context->actions == GDK_ACTION_MOVE)
2508             gdk_drag_status(context, GDK_ACTION_MOVE, time);
2509         else if (context->actions & suggested_action)
2510             gdk_drag_status(context, suggested_action, time);
2511         else
2512             gdk_drag_status(context, GDK_ACTION_DEFAULT, time);
2513
2514  out:
2515         if (folder)
2516                 g_object_unref (folder);
2517         if (dest_row)
2518                 gtk_tree_path_free (dest_row);
2519         g_signal_stop_emission_by_name (widget, "drag-motion");
2520
2521         return valid_location;
2522 }
2523
2524 /*
2525  * This function sets the treeview as a source and a target for dnd
2526  * events. It also connects all the requirede signals.
2527  */
2528 static void
2529 setup_drag_and_drop (GtkTreeView *self)
2530 {
2531         /* Set up the folder view as a dnd destination. Set only the
2532            highlight flag, otherwise gtk will have a different
2533            behaviour */
2534         gtk_drag_dest_set (GTK_WIDGET (self),
2535                            GTK_DEST_DEFAULT_HIGHLIGHT,
2536                            folder_view_drag_types,
2537                            G_N_ELEMENTS (folder_view_drag_types),
2538                            GDK_ACTION_MOVE | GDK_ACTION_COPY);
2539
2540         g_signal_connect (G_OBJECT (self),
2541                           "drag_data_received",
2542                           G_CALLBACK (on_drag_data_received),
2543                           NULL);
2544
2545
2546         /* Set up the treeview as a dnd source */
2547         gtk_drag_source_set (GTK_WIDGET (self),
2548                              GDK_BUTTON1_MASK,
2549                              folder_view_drag_types,
2550                              G_N_ELEMENTS (folder_view_drag_types),
2551                              GDK_ACTION_MOVE | GDK_ACTION_COPY);
2552
2553         g_signal_connect (G_OBJECT (self),
2554                           "drag_motion",
2555                           G_CALLBACK (on_drag_motion),
2556                           NULL);
2557         
2558         g_signal_connect (G_OBJECT (self),
2559                           "drag_data_get",
2560                           G_CALLBACK (on_drag_data_get),
2561                           NULL);
2562
2563         g_signal_connect (G_OBJECT (self),
2564                           "drag_drop",
2565                           G_CALLBACK (drag_drop_cb),
2566                           NULL);
2567 }
2568
2569 /*
2570  * This function manages the navigation through the folders using the
2571  * keyboard or the hardware keys in the device
2572  */
2573 static gboolean
2574 on_key_pressed (GtkWidget *self,
2575                 GdkEventKey *event,
2576                 gpointer user_data)
2577 {
2578         GtkTreeSelection *selection;
2579         GtkTreeIter iter;
2580         GtkTreeModel *model;
2581         gboolean retval = FALSE;
2582
2583         /* Up and Down are automatically managed by the treeview */
2584         if (event->keyval == GDK_Return) {
2585                 /* Expand/Collapse the selected row */
2586                 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2587                 if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
2588                         GtkTreePath *path;
2589
2590                         path = gtk_tree_model_get_path (model, &iter);
2591
2592                         if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (self), path))
2593                                 gtk_tree_view_collapse_row (GTK_TREE_VIEW (self), path);
2594                         else
2595                                 gtk_tree_view_expand_row (GTK_TREE_VIEW (self), path, FALSE);
2596                         gtk_tree_path_free (path);
2597                 }
2598                 /* No further processing */
2599                 retval = TRUE;
2600         }
2601
2602         return retval;
2603 }
2604
2605 /*
2606  * We listen to the changes in the local folder account name key,
2607  * because we want to show the right name in the view. The local
2608  * folder account name corresponds to the device name in the Maemo
2609  * version. We do this because we do not want to query gconf on each
2610  * tree view refresh. It's better to cache it and change whenever
2611  * necessary.
2612  */
2613 static void 
2614 on_configuration_key_changed (ModestConf* conf, 
2615                               const gchar *key, 
2616                               ModestConfEvent event,
2617                               ModestConfNotificationId id, 
2618                               ModestFolderView *self)
2619 {
2620         ModestFolderViewPrivate *priv;
2621
2622
2623         g_return_if_fail (MODEST_IS_FOLDER_VIEW (self));
2624         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2625
2626         if (!strcmp (key, MODEST_CONF_DEVICE_NAME)) {
2627                 g_free (priv->local_account_name);
2628
2629                 if (event == MODEST_CONF_EVENT_KEY_UNSET)
2630                         priv->local_account_name = g_strdup (MODEST_LOCAL_FOLDERS_DEFAULT_DISPLAY_NAME);
2631                 else
2632                         priv->local_account_name = modest_conf_get_string (modest_runtime_get_conf(),
2633                                                                            MODEST_CONF_DEVICE_NAME, NULL);
2634
2635                 /* Force a redraw */
2636 #if GTK_CHECK_VERSION(2, 8, 0)
2637                 GtkTreeViewColumn * tree_column;
2638
2639                 tree_column = gtk_tree_view_get_column (GTK_TREE_VIEW (self), 
2640                                                         TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN);
2641                 gtk_tree_view_column_queue_resize (tree_column);
2642 #else
2643                 gtk_widget_queue_draw (GTK_WIDGET (self));
2644 #endif
2645         }
2646 }
2647
2648 void
2649 modest_folder_view_set_style (ModestFolderView *self,
2650                               ModestFolderViewStyle style)
2651 {
2652         ModestFolderViewPrivate *priv;
2653
2654         g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
2655         g_return_if_fail (style == MODEST_FOLDER_VIEW_STYLE_SHOW_ALL ||
2656                           style == MODEST_FOLDER_VIEW_STYLE_SHOW_ONE);
2657         
2658         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2659
2660         
2661         priv->style = style;
2662 }
2663
2664 void
2665 modest_folder_view_set_account_id_of_visible_server_account (ModestFolderView *self,
2666                                                              const gchar *account_id)
2667 {
2668         ModestFolderViewPrivate *priv;
2669         GtkTreeModel *model;
2670
2671         g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
2672         
2673         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2674
2675         /* This will be used by the filter_row callback,
2676          * to decided which rows to show: */
2677         if (priv->visible_account_id) {
2678                 g_free (priv->visible_account_id);
2679                 priv->visible_account_id = NULL;
2680         }
2681         if (account_id)
2682                 priv->visible_account_id = g_strdup (account_id);
2683
2684         /* Refilter */
2685         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
2686         if (GTK_IS_TREE_MODEL_FILTER (model))
2687                 gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
2688
2689         /* Save settings to gconf */
2690         modest_widget_memory_save (modest_runtime_get_conf (), G_OBJECT(self),
2691                                    MODEST_CONF_FOLDER_VIEW_KEY);
2692 }
2693
2694 const gchar *
2695 modest_folder_view_get_account_id_of_visible_server_account (ModestFolderView *self)
2696 {
2697         ModestFolderViewPrivate *priv;
2698
2699         g_return_val_if_fail (self && MODEST_IS_FOLDER_VIEW(self), NULL);
2700         
2701         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(self);
2702
2703         return (const gchar *) priv->visible_account_id;
2704 }
2705
2706 static gboolean
2707 find_inbox_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *inbox_iter)
2708 {
2709         do {
2710                 GtkTreeIter child;
2711                 TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
2712
2713                 gtk_tree_model_get (model, iter, 
2714                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, 
2715                                     &type, -1);
2716                         
2717                 gboolean result = FALSE;
2718                 if (type == TNY_FOLDER_TYPE_INBOX) {
2719                         result = TRUE;
2720                 }               
2721                 if (result) {
2722                         *inbox_iter = *iter;
2723                         return TRUE;
2724                 }
2725
2726                 if (gtk_tree_model_iter_children (model, &child, iter)) {
2727                         if (find_inbox_iter (model, &child, inbox_iter))
2728                                 return TRUE;
2729                 }
2730
2731         } while (gtk_tree_model_iter_next (model, iter));
2732
2733         return FALSE;
2734 }
2735
2736
2737
2738
2739 void 
2740 modest_folder_view_select_first_inbox_or_local (ModestFolderView *self)
2741 {
2742         GtkTreeModel *model;
2743         GtkTreeIter iter, inbox_iter;
2744         GtkTreeSelection *sel;
2745         GtkTreePath *path = NULL;
2746
2747         g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
2748         
2749         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
2750         if (!model)
2751                 return;
2752
2753         expand_root_items (self);
2754         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2755
2756         if (!gtk_tree_model_get_iter_first (model, &iter)) {
2757                 g_warning ("%s: model is empty", __FUNCTION__);
2758                 return;
2759         }
2760
2761         if (find_inbox_iter (model, &iter, &inbox_iter))
2762                 path = gtk_tree_model_get_path (model, &inbox_iter);
2763         else
2764                 path = gtk_tree_path_new_first ();
2765
2766         /* Select the row and free */
2767         gtk_tree_view_set_cursor (GTK_TREE_VIEW (self), path, NULL, FALSE);
2768         gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (self), path, NULL, FALSE, 0.0, 0.0);
2769         gtk_tree_path_free (path);
2770
2771         /* set focus */
2772         gtk_widget_grab_focus (GTK_WIDGET(self));
2773 }
2774
2775
2776 /* recursive */
2777 static gboolean
2778 find_folder_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *folder_iter, 
2779                   TnyFolder* folder)
2780 {
2781         do {
2782                 GtkTreeIter child;
2783                 TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
2784                 TnyFolder* a_folder;
2785                 gchar *name = NULL;
2786                 
2787                 gtk_tree_model_get (model, iter, 
2788                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &a_folder,
2789                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_NAME_COLUMN, &name,
2790                                     TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type, 
2791                                     -1);                
2792                 g_free (name);
2793
2794                 if (folder == a_folder) {
2795                         g_object_unref (a_folder);
2796                         *folder_iter = *iter;
2797                         return TRUE;
2798                 }
2799                 g_object_unref (a_folder);
2800                 
2801                 if (gtk_tree_model_iter_children (model, &child, iter)) {
2802                         if (find_folder_iter (model, &child, folder_iter, folder)) 
2803                                 return TRUE;
2804                 }
2805
2806         } while (gtk_tree_model_iter_next (model, iter));
2807
2808         return FALSE;
2809 }
2810
2811
2812 static void
2813 on_row_inserted_maybe_select_folder (GtkTreeModel *tree_model, GtkTreePath  *path, GtkTreeIter *iter,
2814                                      ModestFolderView *self)
2815 {
2816         ModestFolderViewPrivate *priv = NULL;
2817         GtkTreeSelection *sel;
2818         TnyFolderType type = TNY_FOLDER_TYPE_UNKNOWN;
2819         GObject *instance = NULL;
2820
2821         if (!MODEST_IS_FOLDER_VIEW(self))
2822                 return;
2823         
2824         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
2825
2826         priv->reexpand = TRUE;
2827
2828         gtk_tree_model_get (tree_model, iter, 
2829                             TNY_GTK_FOLDER_STORE_TREE_MODEL_TYPE_COLUMN, &type,
2830                             TNY_GTK_FOLDER_STORE_TREE_MODEL_INSTANCE_COLUMN, &instance,
2831                             -1);
2832         if (type == TNY_FOLDER_TYPE_INBOX && priv->folder_to_select == NULL) {
2833                 priv->folder_to_select = g_object_ref (instance);
2834         }
2835         g_object_unref (instance);
2836
2837         
2838         if (priv->folder_to_select) {
2839                 
2840                 if (!modest_folder_view_select_folder (self, priv->folder_to_select,
2841                                                        FALSE)) {
2842                         GtkTreePath *path;
2843                         path = gtk_tree_model_get_path (tree_model, iter);
2844                         gtk_tree_view_expand_to_path (GTK_TREE_VIEW(self), path);
2845                         
2846                         sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2847
2848                         gtk_tree_selection_select_iter (sel, iter);
2849                         gtk_tree_view_set_cursor (GTK_TREE_VIEW(self), path, NULL, FALSE);
2850
2851                         gtk_tree_path_free (path);
2852                 
2853                 }
2854
2855                 /* Disable next */
2856                 modest_folder_view_disable_next_folder_selection (self);
2857 /*              g_object_unref (priv->folder_to_select); */
2858 /*              priv->folder_to_select = NULL; */
2859                 
2860                 /* Refilter the model */
2861                 gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (tree_model));
2862         }
2863 }
2864
2865
2866 void
2867 modest_folder_view_disable_next_folder_selection (ModestFolderView *self) 
2868 {
2869         ModestFolderViewPrivate *priv;
2870
2871         g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
2872
2873         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
2874
2875         if (priv->folder_to_select)
2876                 g_object_unref(priv->folder_to_select);
2877         
2878         priv->folder_to_select = NULL;
2879 }
2880
2881 gboolean
2882 modest_folder_view_select_folder (ModestFolderView *self, TnyFolder *folder, 
2883                                   gboolean after_change)
2884 {
2885         GtkTreeModel *model;
2886         GtkTreeIter iter, folder_iter;
2887         GtkTreeSelection *sel;
2888         ModestFolderViewPrivate *priv = NULL;
2889         
2890         g_return_val_if_fail (self && MODEST_IS_FOLDER_VIEW (self), FALSE);     
2891         g_return_val_if_fail (folder && TNY_IS_FOLDER (folder), FALSE); 
2892                 
2893         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (self);
2894
2895         if (after_change) {
2896                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2897                 gtk_tree_selection_unselect_all (sel);
2898
2899                 if (priv->folder_to_select)
2900                         g_object_unref(priv->folder_to_select);
2901                 priv->folder_to_select = TNY_FOLDER(g_object_ref(folder));
2902                 return TRUE;
2903         }
2904                 
2905         model = gtk_tree_view_get_model (GTK_TREE_VIEW (self));
2906         if (!model)
2907                 return FALSE;
2908
2909
2910         /* Refilter the model, before selecting the folder */
2911         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
2912
2913         if (!gtk_tree_model_get_iter_first (model, &iter)) {
2914                 g_warning ("%s: model is empty", __FUNCTION__);
2915                 return FALSE;
2916         }
2917         
2918         if (find_folder_iter (model, &iter, &folder_iter, folder)) {
2919                 GtkTreePath *path;
2920
2921                 path = gtk_tree_model_get_path (model, &folder_iter);
2922                 gtk_tree_view_expand_to_path (GTK_TREE_VIEW(self), path);
2923
2924                 sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (self));
2925                 gtk_tree_selection_select_iter (sel, &folder_iter);
2926                 gtk_tree_view_set_cursor (GTK_TREE_VIEW(self), path, NULL, FALSE);
2927
2928                 gtk_tree_path_free (path);
2929                 return TRUE;
2930         }
2931         return FALSE;
2932 }
2933
2934
2935 void 
2936 modest_folder_view_copy_selection (ModestFolderView *self)
2937 {
2938         g_return_if_fail (self && MODEST_IS_FOLDER_VIEW(self));
2939         
2940         /* Copy selection */
2941         _clipboard_set_selected_data (self, FALSE);
2942 }
2943
2944 void 
2945 modest_folder_view_cut_selection (ModestFolderView *folder_view)
2946 {
2947         ModestFolderViewPrivate *priv = NULL;
2948         GtkTreeModel *model = NULL;
2949         const gchar **hidding = NULL;
2950         guint i, n_selected;
2951
2952         g_return_if_fail (folder_view && MODEST_IS_FOLDER_VIEW (folder_view));
2953         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (folder_view);
2954
2955         /* Copy selection */
2956         if (!_clipboard_set_selected_data (folder_view, TRUE))
2957                 return;
2958
2959         /* Get hidding ids */
2960         hidding = modest_email_clipboard_get_hidding_ids (priv->clipboard, &n_selected); 
2961         
2962         /* Clear hidding array created by previous cut operation */
2963         _clear_hidding_filter (MODEST_FOLDER_VIEW (folder_view));
2964
2965         /* Copy hidding array */
2966         priv->n_selected = n_selected;
2967         priv->hidding_ids = g_malloc0(sizeof(gchar *) * n_selected);
2968         for (i=0; i < n_selected; i++) 
2969                 priv->hidding_ids[i] = g_strdup(hidding[i]);            
2970
2971         /* Hide cut folders */
2972         model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view));
2973         gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
2974 }
2975
2976 void
2977 modest_folder_view_copy_model (ModestFolderView *folder_view_src,
2978                                ModestFolderView *folder_view_dst)
2979 {
2980         GtkTreeModel *filter_model = NULL;
2981         GtkTreeModel *model = NULL;
2982         GtkTreeModel *new_filter_model = NULL;
2983         
2984         g_return_if_fail (folder_view_src && MODEST_IS_FOLDER_VIEW (folder_view_src));
2985         g_return_if_fail (folder_view_dst && MODEST_IS_FOLDER_VIEW (folder_view_dst));
2986         
2987         /* Get src model*/
2988         filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view_src));
2989         model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER(filter_model));
2990
2991         /* Build new filter model */
2992         new_filter_model = gtk_tree_model_filter_new (model, NULL);     
2993         gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (new_filter_model),
2994                                                 filter_row,
2995                                                 folder_view_dst,
2996                                                 NULL);
2997         /* Set copied model */
2998         gtk_tree_view_set_model (GTK_TREE_VIEW (folder_view_dst), new_filter_model);
2999         g_signal_connect (G_OBJECT(new_filter_model), "row-inserted",
3000                           (GCallback) on_row_inserted_maybe_select_folder, folder_view_dst);
3001
3002         /* Free */
3003         g_object_unref (new_filter_model);
3004 }
3005
3006 void
3007 modest_folder_view_show_non_move_folders (ModestFolderView *folder_view,
3008                                           gboolean show)
3009 {
3010         GtkTreeModel *model = NULL;
3011         ModestFolderViewPrivate* priv;
3012
3013         g_return_if_fail (folder_view && MODEST_IS_FOLDER_VIEW (folder_view));
3014
3015         priv = MODEST_FOLDER_VIEW_GET_PRIVATE(folder_view);     
3016         priv->show_non_move = show;
3017 /*      modest_folder_view_update_model(folder_view, */
3018 /*                                      TNY_ACCOUNT_STORE(modest_runtime_get_account_store())); */
3019
3020         /* Hide special folders */
3021         model = gtk_tree_view_get_model (GTK_TREE_VIEW (folder_view));
3022         if (GTK_IS_TREE_MODEL_FILTER (model)) {
3023                 gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (model));
3024         }
3025 }
3026
3027 /* Returns FALSE if it did not selected anything */
3028 static gboolean
3029 _clipboard_set_selected_data (ModestFolderView *folder_view,
3030                               gboolean delete)
3031 {
3032         ModestFolderViewPrivate *priv = NULL;
3033         TnyFolderStore *folder = NULL;
3034         gboolean retval = FALSE;
3035
3036         g_return_val_if_fail (MODEST_IS_FOLDER_VIEW (folder_view), FALSE);
3037         priv = MODEST_FOLDER_VIEW_GET_PRIVATE (folder_view);
3038                 
3039         /* Set selected data on clipboard   */
3040         g_return_val_if_fail (MODEST_IS_EMAIL_CLIPBOARD (priv->clipboard), FALSE);
3041         folder = modest_folder_view_get_selected (folder_view);
3042
3043         /* Do not allow to select an account */
3044         if (TNY_IS_FOLDER (folder)) {
3045                 modest_email_clipboard_set_data (priv->clipboard, TNY_FOLDER(folder), NULL, delete);
3046                 retval = TRUE;
3047         }
3048
3049         /* Free */
3050         g_object_unref (folder);
3051
3052         return retval;
3053 }
3054
3055 static void
3056 _clear_hidding_filter (ModestFolderView *folder_view) 
3057 {
3058