* Fixes NB#105153, removed hildon-help dependency in Fremantle
[modest] / src / modest-utils.c
1 /* Copyright (c) 2007, 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.h>
31 #include <glib/gstdio.h>
32 #include <errno.h>
33 #include <string.h> /* for strlen */
34 #include <modest-runtime.h>
35 #include <libgnomevfs/gnome-vfs.h>
36 #include <tny-fs-stream.h>
37 #include <tny-camel-account.h>
38 #include <tny-status.h>
39 #include <tny-camel-transport-account.h>
40 #include <tny-camel-imap-store-account.h>
41 #include <tny-camel-pop-store-account.h>
42
43 #include <modest-defs.h>
44 #include "modest-utils.h"
45 #include "modest-platform.h"
46 #include <modest-account-protocol.h>
47 #include "modest-account-mgr-helpers.h"
48 #include "modest-text-utils.h"
49 #include <modest-local-folder-info.h>
50 #include "widgets/modest-header-view.h"
51 #include "widgets/modest-main-window.h"
52 #include "modest-widget-memory.h"
53 #include "widgets/modest-sort-criterium-view.h"
54 #ifdef MODEST_TOOLKIT_HILDON2
55 #include "modest-header-window.h"
56 #endif
57
58 GQuark
59 modest_utils_get_supported_secure_authentication_error_quark (void)
60 {
61         return g_quark_from_static_string("modest-utils-get-supported-secure-authentication-error-quark");
62 }
63
64 gboolean
65 modest_utils_folder_writable (const gchar *filename)
66 {
67         g_return_val_if_fail (filename, FALSE);
68
69         if (!filename)
70                 return FALSE;
71
72         if (g_strncasecmp (filename, "obex", 4) != 0) {
73                 GnomeVFSFileInfo *folder_info = NULL;
74                 GnomeVFSResult result = GNOME_VFS_OK;
75                 GnomeVFSURI *uri = NULL;
76                 GnomeVFSURI *folder_uri = NULL;
77
78                 uri = gnome_vfs_uri_new (filename);
79                 folder_uri = gnome_vfs_uri_get_parent (uri);
80
81                 if (folder_uri != NULL) {
82                         folder_info = gnome_vfs_file_info_new ();
83                         result = gnome_vfs_get_file_info_uri (folder_uri, folder_info,
84                                                               GNOME_VFS_FILE_INFO_GET_ACCESS_RIGHTS);
85                         gnome_vfs_uri_unref (folder_uri);
86                 }
87                 gnome_vfs_uri_unref (uri);
88
89                 if (folder_uri == NULL)
90                         return FALSE;
91
92                 if ((result != GNOME_VFS_OK) ||
93                     (!((folder_info->permissions & GNOME_VFS_PERM_ACCESS_WRITABLE) ||
94                        (folder_info->permissions & GNOME_VFS_PERM_USER_WRITE)))) {
95
96                         gnome_vfs_file_info_unref (folder_info);
97                         return FALSE;
98                 }
99                 gnome_vfs_file_info_unref (folder_info);
100         }
101         return TRUE;
102 }
103
104 gboolean
105 modest_utils_file_exists (const gchar *filename)
106 {
107         GnomeVFSURI *uri = NULL;
108         gboolean result = FALSE;
109
110         g_return_val_if_fail (filename, FALSE);
111
112         uri = gnome_vfs_uri_new (filename);
113         if (uri) {
114                 result = gnome_vfs_uri_exists (uri);
115                 gnome_vfs_uri_unref (uri);
116         }
117         return result;
118 }
119
120 TnyFsStream *
121 modest_utils_create_temp_stream (const gchar *orig_name, const gchar *hash_base, gchar **path)
122 {
123         gint fd;
124         gchar *filepath = NULL;
125         gchar *tmpdir;
126         guint hash_number;
127
128         /* hmmm... maybe we need a modest_text_utils_validate_file_name? */
129         g_return_val_if_fail (orig_name && strlen(orig_name) != 0, NULL);
130
131         if (strlen(orig_name) > 200) {
132                 g_warning ("%s: filename too long ('%s')",
133                            __FUNCTION__, orig_name);
134                 return NULL;
135         }
136         
137         if (g_strstr_len (orig_name, strlen(orig_name), "/") != NULL) {
138                 g_warning ("%s: filename contains '/' character(s) (%s)",
139                            __FUNCTION__, orig_name);
140                 return NULL;
141         }
142                 
143         /* make a random subdir under /tmp or /var/tmp */
144         if (hash_base != NULL) {
145                 hash_number = g_str_hash (hash_base);
146         } else {
147                 hash_number = (guint) random ();
148         }
149         tmpdir = g_strdup_printf ("%s/%u", g_get_tmp_dir (), hash_number);
150         if ((g_access (tmpdir, R_OK) == -1) && (g_mkdir (tmpdir, 0755) == -1)) {
151                 g_warning ("%s: failed to create dir '%s': %s",
152                            __FUNCTION__, tmpdir, g_strerror(errno));
153                 g_free (tmpdir);
154                 return NULL;
155         }
156
157         filepath = g_strconcat (tmpdir, "/", orig_name, NULL);
158         /* don't overwrite if it already exists, even if it is writable */
159         if (modest_utils_file_exists (filepath)) {
160                 if (path!=NULL) {
161                         *path = filepath;
162                 } else {
163                         g_free (filepath);
164                 }
165                 g_free (tmpdir);
166                 return NULL;
167         } else {
168                 /* try to write the file there */
169                 fd = g_open (filepath, O_CREAT|O_WRONLY|O_TRUNC, 0644);
170                 if (fd == -1) {
171                         g_warning ("%s: failed to create '%s': %s",
172                                         __FUNCTION__, filepath, g_strerror(errno));                     
173                         g_free (filepath);
174                         g_free (tmpdir);
175                         return NULL;
176                 }
177         }
178
179         g_free (tmpdir);
180
181         if (path)
182                 *path = filepath;
183
184         return TNY_FS_STREAM (tny_fs_stream_new (fd));
185 }
186
187 typedef struct 
188 {
189         GList **result;
190         GtkWidget* dialog;
191         GtkWidget* progress;
192 } ModestGetSupportedAuthInfo;
193
194 static gboolean
195 on_idle_secure_auth_finished (gpointer user_data)
196 {
197         /* Operation has finished, close the dialog. Control continues after
198          * gtk_dialog_run in modest_utils_get_supported_secure_authentication_methods() */
199         gdk_threads_enter(); /* CHECKED */
200         gtk_dialog_response (GTK_DIALOG (user_data), GTK_RESPONSE_ACCEPT);
201         gdk_threads_leave(); /* CHECKED */
202
203         return FALSE;
204 }
205
206 static void
207 on_camel_account_get_supported_secure_authentication (TnyCamelAccount *self,
208                                                       gboolean cancelled,
209                                                       TnyList *auth_types,
210                                                       GError *err,
211                                                       gpointer user_data)
212 {
213         ModestPairList *pairs;
214         GList *result;
215         ModestProtocolRegistry *protocol_registry;
216         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
217         TnyIterator* iter;
218
219         g_return_if_fail (user_data);
220         g_return_if_fail (TNY_IS_CAMEL_ACCOUNT(self));
221         g_return_if_fail (TNY_IS_LIST(auth_types));
222
223         info = (ModestGetSupportedAuthInfo *) user_data;
224
225         /* Free everything if the actual action was canceled */
226         if (cancelled) {
227                 g_debug ("%s: operation canceled\n", __FUNCTION__);
228                 goto close_dialog;
229         }
230
231         if (err) {
232                 g_debug ("%s: error getting the supported auth methods\n", __FUNCTION__);
233                 goto close_dialog;
234         }
235
236         if (!auth_types) {
237                 g_debug ("%s: auth_types is NULL.\n", __FUNCTION__);
238                 goto close_dialog;
239         }
240
241         if (tny_list_get_length(auth_types) == 0) {
242                 g_debug ("%s: auth_types is an empty TnyList.\n", __FUNCTION__);
243                 goto close_dialog;
244         }
245
246         protocol_registry = modest_runtime_get_protocol_registry ();
247         pairs = modest_protocol_registry_get_pair_list_by_tag (protocol_registry, MODEST_PROTOCOL_REGISTRY_AUTH_PROTOCOLS);
248
249         /* Get the enum value for the strings: */
250         result = NULL;
251         iter = tny_list_create_iterator(auth_types);
252         while (!tny_iterator_is_done(iter)) {
253                 TnyPair *pair;
254                 const gchar *auth_name;
255                 ModestProtocolType protocol_type;
256
257                 pair = TNY_PAIR(tny_iterator_get_current(iter));
258                 auth_name = NULL;
259                 if (pair) {
260                         auth_name = tny_pair_get_name(pair);
261                         g_object_unref (pair);
262                         pair = NULL;
263                 }
264
265                 g_debug ("%s: auth_name=%s\n", __FUNCTION__, auth_name);
266
267                 protocol_type = modest_protocol_get_type_id (modest_protocol_registry_get_protocol_by_name (protocol_registry,
268                                                                                                             MODEST_PROTOCOL_REGISTRY_AUTH_PROTOCOLS,
269                                                                                                             auth_name));
270
271                 if (modest_protocol_registry_protocol_type_is_secure (protocol_registry, protocol_type))
272                         result = g_list_prepend(result, GINT_TO_POINTER(protocol_type));
273
274                 tny_iterator_next(iter);
275         }
276         g_object_unref (iter);
277
278         modest_pair_list_free (pairs);
279         *(info->result) = result;
280
281  close_dialog:
282         /* Close the dialog in a main thread */
283         g_idle_add(on_idle_secure_auth_finished, info->dialog);
284
285         /* Free the info */
286         g_slice_free (ModestGetSupportedAuthInfo, info);
287 }
288
289 typedef struct {
290         GtkWidget *progress;
291         gboolean not_finished;
292 } KeepPulsing;
293
294 static gboolean
295 keep_pulsing (gpointer user_data)
296 {
297         KeepPulsing *info = (KeepPulsing *) user_data;
298
299         if (!info->not_finished) {
300                 g_slice_free (KeepPulsing, info);
301                 return FALSE;
302         }
303
304         gtk_progress_bar_pulse (GTK_PROGRESS_BAR (info->progress));
305         return TRUE;
306 }
307
308 GList*
309 modest_utils_get_supported_secure_authentication_methods (ModestProtocolType protocol_type,
310                                                           const gchar* hostname,
311                                                           gint port,
312                                                           const gchar* username,
313                                                           GtkWindow *parent_window,
314                                                           GError** error)
315 {
316         TnyAccount * tny_account = NULL;
317         ModestProtocolRegistry *protocol_registry;
318         GtkWidget *dialog;
319         gint retval;
320         ModestTnyAccountStore *account_store;
321         TnySessionCamel *session = NULL;
322         ModestProtocol *protocol = NULL;
323         GList *result = NULL;
324         GtkWidget *progress;
325
326         g_return_val_if_fail (protocol_type != MODEST_PROTOCOL_REGISTRY_TYPE_INVALID, NULL);
327
328         protocol_registry = modest_runtime_get_protocol_registry ();
329
330         /* We need a connection to get the capabilities; */
331         if (!modest_platform_connect_and_wait (GTK_WINDOW (parent_window), NULL))
332                 return NULL;
333
334         /* Create a TnyCamelAccount so we can use 
335          * tny_camel_account_get_supported_secure_authentication(): */
336         protocol = modest_protocol_registry_get_protocol_by_type (protocol_registry, protocol_type);
337         tny_account = NULL;
338         if (MODEST_IS_ACCOUNT_PROTOCOL (protocol)) {
339                 tny_account = modest_account_protocol_create_account (MODEST_ACCOUNT_PROTOCOL (protocol));
340         }
341
342         if (!tny_account) {
343                 g_printerr ("%s could not create tny account.", __FUNCTION__);
344                 return NULL;
345         }
346
347         /* Set proto, so that the prepare_func() vfunc will work when
348          * we call set_session(): */
349         protocol = modest_protocol_registry_get_protocol_by_type (protocol_registry, protocol_type);
350         tny_account_set_id (tny_account, "temp_account");
351         tny_account_set_proto (tny_account, modest_protocol_get_name (protocol));
352         tny_account_set_hostname (tny_account, hostname);
353         tny_account_set_user (tny_account, username);
354
355         if(port > 0)
356                 tny_account_set_port (tny_account, port);
357
358         /* Set the session for the account, so we can use it: */
359         account_store = modest_runtime_get_account_store ();
360         session = modest_tny_account_store_get_session (TNY_ACCOUNT_STORE (account_store));
361         g_return_val_if_fail (session, NULL);
362         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
363
364         dialog = gtk_dialog_new_with_buttons(" ",
365                                              parent_window,
366                                              GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
367                                              _("mcen_bd_dialog_cancel"),
368                                              GTK_RESPONSE_REJECT,
369                                              NULL);
370
371         /* Ask camel to ask the server, asynchronously: */
372         ModestGetSupportedAuthInfo *info = g_slice_new (ModestGetSupportedAuthInfo);
373         info->result = &result;
374         info->dialog = dialog;
375
376         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox),
377                           gtk_label_new(_("emev_ni_checking_supported_auth_methods")));
378         progress = gtk_progress_bar_new();
379         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox), progress);
380         gtk_widget_show_all(info->dialog);
381
382         KeepPulsing *pi = g_slice_new (KeepPulsing);
383         pi->progress = progress;
384         pi->not_finished = TRUE;
385
386         /* Starts the pulsing of the progressbar */
387         g_timeout_add (500, keep_pulsing, pi);
388
389         tny_camel_account_get_supported_secure_authentication (TNY_CAMEL_ACCOUNT (tny_account),
390                                                                on_camel_account_get_supported_secure_authentication,
391                                                                NULL,
392                                                                info);
393
394         retval = gtk_dialog_run (GTK_DIALOG (info->dialog));
395
396         pi->not_finished = FALSE;
397         /* pi is freed in the timeout itself to avoid a GCond here */
398
399         gtk_widget_destroy(dialog);
400
401         /* Frees */
402         tny_account_cancel (tny_account);
403         g_object_unref (tny_account);
404
405         return result;
406 }
407
408 void
409 modest_utils_show_dialog_and_forget (GtkWindow *parent_window,
410                                      GtkDialog *dialog)
411 {
412         g_return_if_fail (GTK_IS_WINDOW(parent_window));
413         g_return_if_fail (GTK_IS_DIALOG(dialog));
414
415         gtk_window_set_transient_for (GTK_WINDOW (dialog), parent_window);
416
417         /* Destroy the dialog when it is closed: */
418         g_signal_connect_swapped (dialog,
419                                   "response",
420                                   G_CALLBACK (gtk_widget_destroy),
421                                   dialog);
422
423         gtk_widget_show (GTK_WIDGET (dialog));
424 }
425
426 void
427 modest_utils_toggle_action_set_active_block_notify (GtkToggleAction *action, gboolean value)
428 {
429         GSList *proxies = NULL;
430
431         g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
432
433         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
434              proxies != NULL; proxies = g_slist_next (proxies)) {
435                 GtkWidget *widget = (GtkWidget *) proxies->data;
436                 gtk_action_block_activate_from (GTK_ACTION (action), widget);
437         }
438
439         gtk_toggle_action_set_active (action, value);
440
441         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
442              proxies != NULL; proxies = g_slist_next (proxies)) {
443                 GtkWidget *widget = (GtkWidget *) proxies->data;
444                 gtk_action_unblock_activate_from (GTK_ACTION (action), widget);
445         }
446
447 }
448
449
450 gint 
451 modest_list_index (TnyList *list, GObject *object)
452 {
453         TnyIterator *iter;
454         gint index = 0;
455
456         g_return_val_if_fail (TNY_IS_LIST(list), -1);
457         g_return_val_if_fail (G_IS_OBJECT(object), -1);
458         
459         iter = tny_list_create_iterator (list);
460         while (!tny_iterator_is_done (iter)) {
461                 GObject *current = tny_iterator_get_current (iter);
462
463                 g_object_unref (current);
464                 if (current == object)
465                         break;
466
467                 tny_iterator_next (iter);
468                 index++;
469         }
470
471         if (tny_iterator_is_done (iter))
472                 index = -1;
473         g_object_unref (iter);
474         return index;
475 }
476
477 guint64 
478 modest_utils_get_available_space (const gchar *maildir_path)
479 {
480         gchar *folder;
481         gchar *uri_string;
482         GnomeVFSURI *uri;
483         GnomeVFSFileSize size;
484
485         folder = modest_local_folder_info_get_maildir_path (maildir_path);
486         uri_string = gnome_vfs_get_uri_from_local_path (folder);
487         uri = gnome_vfs_uri_new (uri_string);
488         g_free (folder);
489         g_free (uri_string);
490
491         if (uri) {
492                 if (gnome_vfs_get_volume_free_space (uri, &size) != GNOME_VFS_OK)
493                         size = 0;
494                 gnome_vfs_uri_unref (uri);
495         } else {
496                 size = 0;
497         }
498
499         return (guint64) size;
500 }
501 static void
502 on_destroy_dialog (GtkDialog *dialog)
503 {
504         gtk_widget_destroy (GTK_WIDGET(dialog));
505         if (gtk_events_pending ())
506                 gtk_main_iteration ();
507 }
508
509 static guint
510 checked_modest_sort_criterium_view_add_sort_key (ModestSortCriteriumView *view, const gchar* key, guint max)
511 {
512         gint sort_key;
513         
514         g_return_val_if_fail (view && MODEST_IS_SORT_CRITERIUM_VIEW(view), 0);
515         g_return_val_if_fail (key, 0);
516         
517         sort_key = modest_sort_criterium_view_add_sort_key (view, key);
518         if (sort_key < 0 || sort_key >= max) {
519                 g_warning ("%s: out of range (%d) for %s", __FUNCTION__, sort_key, key);
520                 return 0;
521         } else
522                 return (guint)sort_key; 
523 }
524
525 static void
526 launch_sort_headers_dialog (GtkWindow *parent_window,
527                             GtkDialog *dialog)
528 {
529         ModestHeaderView *header_view = NULL;
530         GList *cols = NULL;
531         GtkSortType sort_type;
532         gint sort_key;
533         gint default_key = 0;
534         gint result;
535         gboolean outgoing = FALSE;
536         gint current_sort_colid = -1;
537         GtkSortType current_sort_type;
538         gint attachments_sort_id;
539         gint priority_sort_id;
540         GtkTreeSortable *sortable;
541         
542         /* Get header window */
543         if (MODEST_IS_MAIN_WINDOW (parent_window)) {
544                 header_view = MODEST_HEADER_VIEW(modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(parent_window),
545                                                                                       MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
546 #ifdef MODEST_TOOLKIT_HILDON2
547         } else if (MODEST_IS_HEADER_WINDOW (parent_window)) {
548                 header_view = MODEST_HEADER_VIEW (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (parent_window)));
549 #endif
550
551         }
552         if (!header_view)
553                 return;
554         
555         /* Add sorting keys */
556         cols = modest_header_view_get_columns (header_view);
557         if (cols == NULL) 
558                 return;
559 #define SORT_ID_NUM 6
560         int sort_model_ids[SORT_ID_NUM];
561         int sort_ids[SORT_ID_NUM];
562
563         outgoing = (GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cols->data), MODEST_HEADER_VIEW_COLUMN))==
564                     MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT);
565
566         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_sender_recipient"),
567                                                                     SORT_ID_NUM);
568         if (outgoing) {
569                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
570                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT;
571         } else {
572                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
573                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN;
574         }
575
576         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_date"),
577                                                             SORT_ID_NUM);
578         if (outgoing) {
579                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN;
580                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE;
581         } else {
582                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN;
583                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE;
584         }
585         default_key = sort_key;
586
587         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_subject"),
588                                                                     SORT_ID_NUM);
589         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN;
590         if (outgoing)
591                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT;
592         else
593                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN;
594
595         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_attachment"),
596                                                                     SORT_ID_NUM);
597         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN;
598         sort_ids[sort_key] = TNY_HEADER_FLAG_ATTACHMENTS;
599         attachments_sort_id = sort_key;
600
601         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_size"),
602                                                                     SORT_ID_NUM);
603         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN;
604         sort_ids[sort_key] = 0;
605
606         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_priority"),
607                                                                     SORT_ID_NUM);
608         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN;
609         sort_ids[sort_key] = TNY_HEADER_FLAG_PRIORITY_MASK;
610         priority_sort_id = sort_key;
611         
612         sortable = GTK_TREE_SORTABLE (gtk_tree_model_filter_get_model
613                                       (GTK_TREE_MODEL_FILTER (gtk_tree_view_get_model (GTK_TREE_VIEW (header_view)))));
614         /* Launch dialogs */
615         if (!gtk_tree_sortable_get_sort_column_id (sortable,
616                                                    &current_sort_colid, &current_sort_type)) {
617                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), default_key);
618                 modest_sort_criterium_view_set_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog), GTK_SORT_DESCENDING);
619         } else {
620                 modest_sort_criterium_view_set_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog), current_sort_type);
621                 if (current_sort_colid == TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN) {
622                         gpointer flags_sort_type_pointer;
623                         flags_sort_type_pointer = g_object_get_data (G_OBJECT (cols->data), MODEST_HEADER_VIEW_FLAG_SORT);
624                         if (GPOINTER_TO_INT (flags_sort_type_pointer) == TNY_HEADER_FLAG_PRIORITY_MASK)
625                                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), priority_sort_id);
626                         else
627                                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), attachments_sort_id);
628                 } else {
629                         gint current_sort_keyid = 0;
630                         while (current_sort_keyid < SORT_ID_NUM) {
631                                 if (sort_model_ids[current_sort_keyid] == current_sort_colid)
632                                         break;
633                                 else 
634                                         current_sort_keyid++;
635                         }
636                         modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), current_sort_keyid);
637                 }
638         }
639
640         result = gtk_dialog_run (GTK_DIALOG (dialog));
641         if (result == GTK_RESPONSE_OK) {
642                 sort_key = modest_sort_criterium_view_get_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog));
643                 if (sort_key < 0 || sort_key > SORT_ID_NUM -1) {
644                         g_warning ("%s: out of range (%d)", __FUNCTION__, sort_key);
645                         sort_key = 0;
646                 }
647
648                 sort_type = modest_sort_criterium_view_get_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog));
649                 if (sort_model_ids[sort_key] == TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN) {
650                         g_object_set_data (G_OBJECT(cols->data), MODEST_HEADER_VIEW_FLAG_SORT,
651                                            GINT_TO_POINTER (sort_ids[sort_key]));
652                         /* This is a hack to make it resort rows always when flag fields are
653                          * selected. If we do not do this, changing sort field from priority to
654                          * attachments does not work */
655                         modest_header_view_sort_by_column_id (header_view, 0, sort_type);
656                 } else {
657                         gtk_tree_view_column_set_sort_column_id (GTK_TREE_VIEW_COLUMN (cols->data), 
658                                                                  sort_model_ids[sort_key]);
659                 }
660
661                 modest_header_view_sort_by_column_id (header_view, sort_model_ids[sort_key], sort_type);
662                 gtk_tree_sortable_sort_column_changed (sortable);
663         }
664
665         modest_widget_memory_save (modest_runtime_get_conf (),
666                                    G_OBJECT (header_view), MODEST_CONF_HEADER_VIEW_KEY);
667         
668         /* free */
669         g_list_free(cols);      
670 }
671
672 void
673 modest_utils_run_sort_dialog (GtkWindow *parent_window,
674                               ModestSortDialogType type)
675 {
676         GtkWidget *dialog = NULL;
677
678         /* Build dialog */
679         dialog = modest_platform_create_sort_dialog (parent_window);
680         if (dialog == NULL)
681                 return;
682         modest_window_mgr_set_modal (modest_runtime_get_window_mgr (),
683                                      GTK_WINDOW (dialog), parent_window);
684
685         /* Fill sort keys */
686         switch (type) {
687         case MODEST_SORT_HEADERS:
688                 launch_sort_headers_dialog (parent_window, 
689                                             GTK_DIALOG(dialog));
690                 break;
691         }
692         
693         /* Free */
694         on_destroy_dialog (GTK_DIALOG(dialog));
695 }
696
697
698 gchar *
699 modest_images_cache_get_id (const gchar *account, const gchar *uri)
700 {
701         GnomeVFSURI *vfs_uri;
702         gchar *result;
703  
704         vfs_uri = gnome_vfs_uri_new (uri);
705         if (vfs_uri == NULL)
706                 return NULL;
707  
708         result = g_strdup_printf ("%s__%x", account, gnome_vfs_uri_hash (vfs_uri));
709         gnome_vfs_uri_unref (vfs_uri);
710  
711         return result;
712 }
713
714 gchar *
715 modest_utils_get_account_name_from_recipient (const gchar *from_header)
716 {
717         gchar *account_name = NULL;
718         ModestAccountMgr *mgr = NULL;
719         GSList *accounts = NULL, *node = NULL;
720
721         g_return_val_if_fail (from_header, NULL);
722
723         mgr = modest_runtime_get_account_mgr ();
724         accounts = modest_account_mgr_account_names (mgr, TRUE);
725                 
726         for (node = accounts; node != NULL; node = g_slist_next (node)) {
727                 gchar *from = 
728                         modest_account_mgr_get_from_string (mgr, node->data);
729                         
730                 if (from) {
731                         gchar *from_email = 
732                                 modest_text_utils_get_email_address (from);
733                         gchar *from_header_email =
734                                 modest_text_utils_get_email_address (from_header);
735                                 
736                         if (from_email && from_header_email) {
737                                 if (!modest_text_utils_utf8_strcmp (from_header_email, from_email, TRUE)) {
738                                         account_name = g_strdup (node->data);
739                                         g_free (from);
740                                         g_free (from_email);
741                                         break;
742                                 }
743                         }
744                         g_free (from_email);
745                         g_free (from_header_email);
746                         g_free (from);
747                 }
748         }
749         g_slist_foreach (accounts, (GFunc) g_free, NULL);
750         g_slist_free (accounts);
751
752         return account_name;
753 }
754
755 void 
756 modest_utils_on_entry_invalid_character (ModestValidatingEntry *self, 
757                                          const gchar* character,
758                                          gpointer user_data)
759 {
760         gchar *message = NULL;
761         const gchar *show_char = NULL;
762
763         if (character)
764                 show_char = character;
765         else {
766                 show_char = "' '";
767         }
768         
769         message = g_strdup_printf (_CS("ckdg_ib_illegal_characters_entered"), show_char);
770         modest_platform_information_banner (GTK_WIDGET (self), NULL, message);
771         g_free (message);
772 }