4d169be9c69bc210c95ca349583cd8e0ef8fe232
[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-send-queue.h>
40 #include <tny-camel-transport-account.h>
41 #include <tny-camel-imap-store-account.h>
42 #include <tny-camel-pop-store-account.h>
43 #include <locale.h>
44 #include <modest-defs.h>
45 #include "modest-utils.h"
46 #include "modest-platform.h"
47 #include <modest-account-protocol.h>
48 #include "modest-account-mgr-helpers.h"
49 #include "modest-text-utils.h"
50 #include <modest-local-folder-info.h>
51 #include "widgets/modest-header-view.h"
52 #include "widgets/modest-main-window.h"
53 #include "modest-widget-memory.h"
54 #include "widgets/modest-sort-criterium-view.h"
55 #include "widgets/modest-header-window.h"
56 #include <langinfo.h>
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_ascii_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         gboolean result = FALSE;
108         gchar *path;
109
110         g_return_val_if_fail (filename, FALSE);
111
112         path = strstr (filename, "file://");
113         if (!path)
114                 path = (gchar *) filename;
115         else
116                 path = (gchar *) filename + strlen ("file://");
117
118         if (g_access (path, F_OK) == 0)
119                 result = TRUE;
120
121         return result;
122 }
123
124 TnyFsStream *
125 modest_utils_create_temp_stream (const gchar *orig_name, const gchar *hash_base, gchar **path)
126 {
127         gint fd;
128         gchar *filepath = NULL;
129         gchar *tmpdir;
130         guint hash_number;
131
132         /* hmmm... maybe we need a modest_text_utils_validate_file_name? */
133         g_return_val_if_fail (orig_name && strlen(orig_name) != 0, NULL);
134
135         if (strlen(orig_name) > 200) {
136                 g_warning ("%s: filename too long ('%s')",
137                            __FUNCTION__, orig_name);
138                 return NULL;
139         }
140
141         if (g_strstr_len (orig_name, strlen (orig_name), "/") != NULL) {
142                 g_warning ("%s: filename contains '/' character(s) (%s)",
143                            __FUNCTION__, orig_name);
144                 return NULL;
145         }
146
147         /* make a random subdir under /tmp or /var/tmp */
148         if (hash_base != NULL) {
149                 hash_number = g_str_hash (hash_base);
150         } else {
151                 hash_number = (guint) random ();
152         }
153         tmpdir = g_strdup_printf ("%s/%u", g_get_tmp_dir (), hash_number);
154         if ((g_access (tmpdir, R_OK) == -1) && (g_mkdir (tmpdir, 0755) == -1)) {
155                 g_warning ("%s: failed to create dir '%s': %s",
156                            __FUNCTION__, tmpdir, g_strerror(errno));
157                 g_free (tmpdir);
158                 return NULL;
159         }
160
161         filepath = g_build_filename (tmpdir, orig_name, NULL);
162
163         /* if file exists, first we try to remove it */
164         if (g_access (filepath, F_OK) == 0)
165                 g_unlink (filepath);
166
167         /* don't overwrite if it already exists, even if it is writable */
168         if (g_access (filepath, F_OK) == 0) {
169                 if (path!=NULL) {
170                         *path = filepath;
171                 } else {
172                         g_free (filepath);
173                 }
174                 g_free (tmpdir);
175                 return NULL;
176         } else {
177                 /* try to write the file there */
178                 fd = g_open (filepath, O_CREAT|O_WRONLY|O_TRUNC, 0644);
179                 if (fd == -1) {
180                         g_warning ("%s: failed to create '%s': %s",
181                                         __FUNCTION__, filepath, g_strerror(errno));
182                         g_free (filepath);
183                         g_free (tmpdir);
184                         return NULL;
185                 }
186         }
187
188         g_free (tmpdir);
189
190         if (path)
191                 *path = filepath;
192         else
193                 g_free (filepath);
194
195         return TNY_FS_STREAM (tny_fs_stream_new (fd));
196 }
197
198 typedef struct 
199 {
200         GList **result;
201         GtkWidget* dialog;
202         GtkWidget* progress;
203 } ModestGetSupportedAuthInfo;
204
205 static gboolean
206 on_idle_secure_auth_finished (gpointer user_data)
207 {
208         /* Operation has finished, close the dialog. Control continues after
209          * gtk_dialog_run in modest_utils_get_supported_secure_authentication_methods() */
210         gdk_threads_enter(); /* CHECKED */
211         gtk_dialog_response (GTK_DIALOG (user_data), GTK_RESPONSE_ACCEPT);
212         gdk_threads_leave(); /* CHECKED */
213
214         return FALSE;
215 }
216
217 static void
218 on_camel_account_get_supported_secure_authentication (TnyCamelAccount *self,
219                                                       gboolean cancelled,
220                                                       TnyList *auth_types,
221                                                       GError *err,
222                                                       gpointer user_data)
223 {
224         ModestPairList *pairs;
225         GList *result;
226         ModestProtocolRegistry *protocol_registry;
227         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
228         TnyIterator* iter;
229
230         g_return_if_fail (user_data);
231         g_return_if_fail (TNY_IS_CAMEL_ACCOUNT(self));
232         g_return_if_fail (TNY_IS_LIST(auth_types));
233
234         info = (ModestGetSupportedAuthInfo *) user_data;
235
236         /* Free everything if the actual action was canceled */
237         if (cancelled) {
238                 g_debug ("%s: operation canceled\n", __FUNCTION__);
239                 goto close_dialog;
240         }
241
242         if (err) {
243                 g_debug ("%s: error getting the supported auth methods\n", __FUNCTION__);
244                 goto close_dialog;
245         }
246
247         if (!auth_types) {
248                 g_debug ("%s: auth_types is NULL.\n", __FUNCTION__);
249                 goto close_dialog;
250         }
251
252         if (tny_list_get_length(auth_types) == 0) {
253                 g_debug ("%s: auth_types is an empty TnyList.\n", __FUNCTION__);
254                 goto close_dialog;
255         }
256
257         protocol_registry = modest_runtime_get_protocol_registry ();
258         pairs = modest_protocol_registry_get_pair_list_by_tag (protocol_registry, MODEST_PROTOCOL_REGISTRY_AUTH_PROTOCOLS);
259
260         /* Get the enum value for the strings: */
261         result = NULL;
262         iter = tny_list_create_iterator(auth_types);
263         while (!tny_iterator_is_done(iter)) {
264                 TnyPair *pair;
265                 const gchar *auth_name;
266                 ModestProtocolType protocol_type;
267
268                 pair = TNY_PAIR(tny_iterator_get_current(iter));
269                 auth_name = NULL;
270                 if (pair) {
271                         auth_name = tny_pair_get_name(pair);
272                         g_object_unref (pair);
273                         pair = NULL;
274                 }
275
276                 g_debug ("%s: auth_name=%s\n", __FUNCTION__, auth_name);
277
278                 protocol_type = modest_protocol_get_type_id (modest_protocol_registry_get_protocol_by_name (protocol_registry,
279                                                                                                             MODEST_PROTOCOL_REGISTRY_AUTH_PROTOCOLS,
280                                                                                                             auth_name));
281
282                 if (modest_protocol_registry_protocol_type_is_secure (protocol_registry, protocol_type))
283                         result = g_list_prepend(result, GINT_TO_POINTER(protocol_type));
284
285                 tny_iterator_next(iter);
286         }
287         g_object_unref (iter);
288
289         modest_pair_list_free (pairs);
290         *(info->result) = result;
291
292  close_dialog:
293         /* Close the dialog in a main thread */
294         g_idle_add(on_idle_secure_auth_finished, info->dialog);
295
296         /* Free the info */
297         g_slice_free (ModestGetSupportedAuthInfo, info);
298 }
299
300 typedef struct {
301         GtkWidget *progress;
302         gboolean not_finished;
303 } KeepPulsing;
304
305 static gboolean
306 keep_pulsing (gpointer user_data)
307 {
308         KeepPulsing *info = (KeepPulsing *) user_data;
309
310         if (!info->not_finished) {
311                 g_slice_free (KeepPulsing, info);
312                 return FALSE;
313         }
314
315         gtk_progress_bar_pulse (GTK_PROGRESS_BAR (info->progress));
316         return TRUE;
317 }
318
319 GList*
320 modest_utils_get_supported_secure_authentication_methods (ModestProtocolType protocol_type,
321                                                           const gchar* hostname,
322                                                           gint port,
323                                                           const gchar* username,
324                                                           GtkWindow *parent_window,
325                                                           GError** error)
326 {
327         TnyAccount * tny_account = NULL;
328         ModestProtocolRegistry *protocol_registry;
329         GtkWidget *dialog;
330         gint retval;
331         ModestTnyAccountStore *account_store;
332         TnySessionCamel *session = NULL;
333         ModestProtocol *protocol = NULL;
334         GList *result = NULL;
335         GtkWidget *progress;
336
337         g_return_val_if_fail (protocol_type != MODEST_PROTOCOL_REGISTRY_TYPE_INVALID, NULL);
338
339         protocol_registry = modest_runtime_get_protocol_registry ();
340
341         /* We need a connection to get the capabilities; */
342         if (!modest_platform_connect_and_wait (GTK_WINDOW (parent_window), NULL))
343                 return NULL;
344
345         /* Create a TnyCamelAccount so we can use 
346          * tny_camel_account_get_supported_secure_authentication(): */
347         protocol = modest_protocol_registry_get_protocol_by_type (protocol_registry, protocol_type);
348         tny_account = NULL;
349         if (MODEST_IS_ACCOUNT_PROTOCOL (protocol)) {
350                 tny_account = modest_account_protocol_create_account (MODEST_ACCOUNT_PROTOCOL (protocol));
351         }
352
353         if (!tny_account) {
354                 g_printerr ("%s could not create tny account.", __FUNCTION__);
355                 return NULL;
356         }
357
358         /* Set proto, so that the prepare_func() vfunc will work when
359          * we call set_session(): */
360         protocol = modest_protocol_registry_get_protocol_by_type (protocol_registry, protocol_type);
361         tny_account_set_id (tny_account, "temp_account");
362         tny_account_set_proto (tny_account, modest_protocol_get_name (protocol));
363         tny_account_set_hostname (tny_account, hostname);
364         tny_account_set_user (tny_account, username);
365
366         if(port > 0)
367                 tny_account_set_port (tny_account, port);
368
369         /* Set the session for the account, so we can use it: */
370         account_store = modest_runtime_get_account_store ();
371         session = modest_tny_account_store_get_session (TNY_ACCOUNT_STORE (account_store));
372         g_return_val_if_fail (session, NULL);
373         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
374
375         dialog = gtk_dialog_new_with_buttons(" ",
376                                              parent_window,
377                                              GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
378                                              _("mcen_bd_dialog_cancel"),
379                                              GTK_RESPONSE_REJECT,
380                                              NULL);
381
382         /* Ask camel to ask the server, asynchronously: */
383         ModestGetSupportedAuthInfo *info = g_slice_new (ModestGetSupportedAuthInfo);
384         info->result = &result;
385         info->dialog = dialog;
386
387         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox),
388                           gtk_label_new(_("emev_ni_checking_supported_auth_methods")));
389         progress = gtk_progress_bar_new();
390         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox), progress);
391         gtk_widget_show_all(info->dialog);
392
393         KeepPulsing *pi = g_slice_new (KeepPulsing);
394         pi->progress = progress;
395         pi->not_finished = TRUE;
396
397         /* Starts the pulsing of the progressbar */
398         g_timeout_add (500, keep_pulsing, pi);
399
400         tny_camel_account_get_supported_secure_authentication (TNY_CAMEL_ACCOUNT (tny_account),
401                                                                on_camel_account_get_supported_secure_authentication,
402                                                                NULL,
403                                                                info);
404
405         retval = gtk_dialog_run (GTK_DIALOG (info->dialog));
406
407         pi->not_finished = FALSE;
408         /* pi is freed in the timeout itself to avoid a GCond here */
409
410         gtk_widget_destroy(dialog);
411
412         /* Frees */
413         tny_account_cancel (tny_account);
414         g_object_unref (tny_account);
415
416         return result;
417 }
418
419 void
420 modest_utils_show_dialog_and_forget (GtkWindow *parent_window,
421                                      GtkDialog *dialog)
422 {
423         g_return_if_fail (GTK_IS_WINDOW(parent_window));
424         g_return_if_fail (GTK_IS_DIALOG(dialog));
425
426         gtk_window_set_transient_for (GTK_WINDOW (dialog), parent_window);
427
428         /* Destroy the dialog when it is closed: */
429         g_signal_connect_swapped (dialog,
430                                   "response",
431                                   G_CALLBACK (gtk_widget_destroy),
432                                   dialog);
433
434         gtk_widget_show (GTK_WIDGET (dialog));
435 }
436
437 void
438 modest_utils_toggle_action_set_active_block_notify (GtkToggleAction *action, gboolean value)
439 {
440         GSList *proxies = NULL;
441
442         g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
443
444         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
445              proxies != NULL; proxies = g_slist_next (proxies)) {
446                 GtkWidget *widget = (GtkWidget *) proxies->data;
447                 gtk_action_block_activate_from (GTK_ACTION (action), widget);
448         }
449
450         gtk_toggle_action_set_active (action, value);
451
452         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
453              proxies != NULL; proxies = g_slist_next (proxies)) {
454                 GtkWidget *widget = (GtkWidget *) proxies->data;
455                 gtk_action_unblock_activate_from (GTK_ACTION (action), widget);
456         }
457
458 }
459
460
461 gint 
462 modest_list_index (TnyList *list, GObject *object)
463 {
464         TnyIterator *iter;
465         gint index = 0;
466
467         g_return_val_if_fail (TNY_IS_LIST(list), -1);
468         g_return_val_if_fail (G_IS_OBJECT(object), -1);
469         
470         iter = tny_list_create_iterator (list);
471         while (!tny_iterator_is_done (iter)) {
472                 GObject *current = tny_iterator_get_current (iter);
473
474                 g_object_unref (current);
475                 if (current == object)
476                         break;
477
478                 tny_iterator_next (iter);
479                 index++;
480         }
481
482         if (tny_iterator_is_done (iter))
483                 index = -1;
484         g_object_unref (iter);
485         return index;
486 }
487
488 guint64 
489 modest_utils_get_available_space (const gchar *maildir_path)
490 {
491         gchar *folder;
492         gchar *uri_string;
493         GnomeVFSURI *uri;
494         GnomeVFSFileSize size;
495
496         folder = modest_local_folder_info_get_maildir_path (maildir_path);
497         uri_string = gnome_vfs_get_uri_from_local_path (folder);
498         uri = gnome_vfs_uri_new (uri_string);
499         g_free (folder);
500         g_free (uri_string);
501
502         if (uri) {
503                 if (gnome_vfs_get_volume_free_space (uri, &size) != GNOME_VFS_OK)
504                         size = 0;
505                 gnome_vfs_uri_unref (uri);
506         } else {
507                 size = 0;
508         }
509
510         return (guint64) size;
511 }
512 static void
513 on_destroy_dialog (GtkDialog *dialog)
514 {
515         gtk_widget_destroy (GTK_WIDGET(dialog));
516         if (gtk_events_pending ())
517                 gtk_main_iteration ();
518 }
519
520 static guint
521 checked_modest_sort_criterium_view_add_sort_key (ModestSortCriteriumView *view, const gchar* key, guint max)
522 {
523         gint sort_key;
524         
525         g_return_val_if_fail (view && MODEST_IS_SORT_CRITERIUM_VIEW(view), 0);
526         g_return_val_if_fail (key, 0);
527         
528         sort_key = modest_sort_criterium_view_add_sort_key (view, key);
529         if (sort_key < 0 || sort_key >= max) {
530                 g_warning ("%s: out of range (%d) for %s", __FUNCTION__, sort_key, key);
531                 return 0;
532         } else
533                 return (guint)sort_key; 
534 }
535
536 static void
537 launch_sort_headers_dialog (GtkWindow *parent_window,
538                             GtkDialog *dialog)
539 {
540         ModestHeaderView *header_view = NULL;
541         GList *cols = NULL;
542         GtkSortType sort_type;
543         gint sort_key;
544         gint default_key = 0;
545         gint result;
546         gboolean outgoing = FALSE;
547         gint current_sort_colid = -1;
548         GtkSortType current_sort_type;
549         gint attachments_sort_id;
550         gint priority_sort_id;
551         GtkTreeSortable *sortable;
552
553         /* Get header window */
554         if (MODEST_IS_HEADER_WINDOW (parent_window)) {
555                 header_view = MODEST_HEADER_VIEW (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (parent_window)));
556         }
557         if (!header_view)
558                 return;
559
560         /* Add sorting keys */
561         cols = modest_header_view_get_columns (header_view);
562         if (cols == NULL) 
563                 return;
564 #define SORT_ID_NUM 6
565         int sort_model_ids[SORT_ID_NUM];
566         int sort_ids[SORT_ID_NUM];
567
568         outgoing = (GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cols->data), MODEST_HEADER_VIEW_COLUMN))==
569                     MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT);
570
571         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_sender_recipient"),
572                                                                     SORT_ID_NUM);
573         if (outgoing) {
574                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
575                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT;
576         } else {
577                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
578                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN;
579         }
580
581         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_date"),
582                                                             SORT_ID_NUM);
583         if (outgoing) {
584                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN;
585                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE;
586         } else {
587                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN;
588                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE;
589         }
590         default_key = sort_key;
591
592         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_subject"),
593                                                                     SORT_ID_NUM);
594         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN;
595         if (outgoing)
596                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT;
597         else
598                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN;
599
600         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_attachment"),
601                                                                     SORT_ID_NUM);
602         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN;
603         sort_ids[sort_key] = TNY_HEADER_FLAG_ATTACHMENTS;
604         attachments_sort_id = sort_key;
605
606         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_size"),
607                                                                     SORT_ID_NUM);
608         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN;
609         sort_ids[sort_key] = 0;
610
611         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_priority"),
612                                                                     SORT_ID_NUM);
613         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN;
614         sort_ids[sort_key] = TNY_HEADER_FLAG_PRIORITY_MASK;
615         priority_sort_id = sort_key;
616         
617         sortable = GTK_TREE_SORTABLE (gtk_tree_view_get_model (GTK_TREE_VIEW (header_view)));
618         /* Launch dialogs */
619         if (!gtk_tree_sortable_get_sort_column_id (sortable,
620                                                    &current_sort_colid, &current_sort_type)) {
621                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), default_key);
622                 modest_sort_criterium_view_set_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog), GTK_SORT_DESCENDING);
623         } else {
624                 modest_sort_criterium_view_set_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog), current_sort_type);
625                 if (current_sort_colid == TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN) {
626                         gpointer flags_sort_type_pointer;
627                         flags_sort_type_pointer = g_object_get_data (G_OBJECT (cols->data), MODEST_HEADER_VIEW_FLAG_SORT);
628                         if (GPOINTER_TO_INT (flags_sort_type_pointer) == TNY_HEADER_FLAG_PRIORITY_MASK)
629                                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), priority_sort_id);
630                         else
631                                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), attachments_sort_id);
632                 } else {
633                         gint current_sort_keyid = 0;
634                         while (current_sort_keyid < SORT_ID_NUM) {
635                                 if (sort_model_ids[current_sort_keyid] == current_sort_colid)
636                                         break;
637                                 else 
638                                         current_sort_keyid++;
639                         }
640                         modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), current_sort_keyid);
641                 }
642         }
643
644         result = gtk_dialog_run (GTK_DIALOG (dialog));
645         if (result == GTK_RESPONSE_OK) {
646                 sort_key = modest_sort_criterium_view_get_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog));
647                 if (sort_key < 0 || sort_key > SORT_ID_NUM -1) {
648                         g_warning ("%s: out of range (%d)", __FUNCTION__, sort_key);
649                         sort_key = 0;
650                 }
651
652                 sort_type = modest_sort_criterium_view_get_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog));
653                 if (sort_model_ids[sort_key] == TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN) {
654                         g_object_set_data (G_OBJECT(cols->data), MODEST_HEADER_VIEW_FLAG_SORT,
655                                            GINT_TO_POINTER (sort_ids[sort_key]));
656                         /* This is a hack to make it resort rows always when flag fields are
657                          * selected. If we do not do this, changing sort field from priority to
658                          * attachments does not work */
659                         modest_header_view_sort_by_column_id (header_view, 0, sort_type);
660                 } else {
661                         gtk_tree_view_column_set_sort_column_id (GTK_TREE_VIEW_COLUMN (cols->data), 
662                                                                  sort_model_ids[sort_key]);
663                 }
664
665                 modest_header_view_sort_by_column_id (header_view, sort_model_ids[sort_key], sort_type);
666                 gtk_tree_sortable_sort_column_changed (sortable);
667         }
668
669         modest_widget_memory_save (modest_runtime_get_conf (),
670                                    G_OBJECT (header_view), MODEST_CONF_HEADER_VIEW_KEY);
671         
672         /* free */
673         g_list_free(cols);      
674 }
675
676 void
677 modest_utils_run_sort_dialog (GtkWindow *parent_window,
678                               ModestSortDialogType type)
679 {
680         GtkWidget *dialog = NULL;
681
682         /* Build dialog */
683         dialog = modest_platform_create_sort_dialog (parent_window);
684         if (dialog == NULL)
685                 return;
686         modest_window_mgr_set_modal (modest_runtime_get_window_mgr (),
687                                      GTK_WINDOW (dialog), parent_window);
688
689         /* Fill sort keys */
690         switch (type) {
691         case MODEST_SORT_HEADERS:
692                 launch_sort_headers_dialog (parent_window, 
693                                             GTK_DIALOG(dialog));
694                 break;
695         }
696         
697         /* Free */
698         on_destroy_dialog (GTK_DIALOG(dialog));
699 }
700
701
702 gchar *
703 modest_images_cache_get_id (const gchar *account, const gchar *uri)
704 {
705         GnomeVFSURI *vfs_uri;
706         gchar *result;
707  
708         vfs_uri = gnome_vfs_uri_new (uri);
709         if (vfs_uri == NULL)
710                 return NULL;
711  
712         result = g_strdup_printf ("%s__%x", account, gnome_vfs_uri_hash (vfs_uri));
713         gnome_vfs_uri_unref (vfs_uri);
714  
715         return result;
716 }
717
718 gchar *
719 modest_utils_get_account_name_from_recipient (const gchar *from_header, gchar **mailbox)
720 {
721         gchar *account_name = NULL;
722         ModestAccountMgr *mgr = NULL;
723         GSList *accounts = NULL, *node = NULL;
724
725         if (mailbox)
726                 *mailbox = NULL;
727         g_return_val_if_fail (from_header, NULL);
728
729         mgr = modest_runtime_get_account_mgr ();
730         accounts = modest_account_mgr_account_names (mgr, TRUE);
731                 
732         for (node = accounts; node != NULL; node = g_slist_next (node)) {
733                 gchar *from;
734                 gchar *transport_account;
735
736                 if (!strcmp (from_header, node->data)) {
737                         account_name = g_strdup (node->data);
738                         break;
739                 }
740
741                 transport_account = modest_account_mgr_get_server_account_name (modest_runtime_get_account_mgr (),
742                                                                                 (const gchar *) node->data,
743                                                                                 TNY_ACCOUNT_TYPE_TRANSPORT);
744                 if (transport_account) {
745                         gchar *proto;
746                         proto = modest_account_mgr_get_string (mgr, transport_account, MODEST_ACCOUNT_PROTO, TRUE);
747
748                         if (proto != NULL) {
749                                 ModestProtocol *protocol = 
750                                         modest_protocol_registry_get_protocol_by_name (modest_runtime_get_protocol_registry (),
751                                                                                        MODEST_PROTOCOL_REGISTRY_TRANSPORT_PROTOCOLS,
752                                                                                        proto);
753                                 if (protocol && MODEST_IS_ACCOUNT_PROTOCOL (protocol)) {
754                                         ModestPairList *pair_list;
755                                         ModestPair *pair;
756                                         gchar *from_header_email =
757                                                 modest_text_utils_get_email_address (from_header);
758                                         pair_list = modest_account_protocol_get_from_list (MODEST_ACCOUNT_PROTOCOL (protocol),
759                                                                                            node->data);
760                                         
761                                         pair = modest_pair_list_find_by_first_as_string (pair_list, from_header_email);
762                                         if (pair != NULL) {
763                                                 account_name = g_strdup (node->data);
764                                                 if (mailbox)
765                                                         *mailbox = g_strdup (from_header_email);
766                                         }
767                                         
768                                         modest_pair_list_free (pair_list);
769                                         
770                                 }
771                                 g_free (proto);
772                         }
773                         g_free (transport_account);
774                 }
775                 if (mailbox && *mailbox)
776                         break;
777
778                 from = 
779                         modest_account_mgr_get_from_string (mgr, node->data, NULL);
780                         
781                 if (from) {
782                         gchar *from_email = 
783                                 modest_text_utils_get_email_address (from);
784                         gchar *from_header_email =
785                                 modest_text_utils_get_email_address (from_header);
786                                 
787                         if (from_email && from_header_email) {
788                                 if (!modest_text_utils_utf8_strcmp (from_header_email, from_email, TRUE)) {
789                                         account_name = g_strdup (node->data);
790                                         g_free (from);
791                                         g_free (from_email);
792                                         break;
793                                 }
794                         }
795                         g_free (from_email);
796                         g_free (from_header_email);
797                         g_free (from);
798                 }
799
800                         
801         }
802         g_slist_foreach (accounts, (GFunc) g_free, NULL);
803         g_slist_free (accounts);
804
805         return account_name;
806 }
807
808 void 
809 modest_utils_on_entry_invalid_character (ModestValidatingEntry *self, 
810                                          const gchar* character,
811                                          gpointer user_data)
812 {
813         gchar *message = NULL;
814         const gchar *show_char = NULL;
815
816         if (character)
817                 show_char = character;
818         else {
819                 show_char = "' '";
820         }
821         
822         message = g_strdup_printf (_CS("ckdg_ib_illegal_characters_entered"), show_char);
823         modest_platform_information_banner (GTK_WIDGET (self), NULL, message);
824         g_free (message);
825 }
826
827 FILE*
828 modest_utils_open_mcc_mapping_file (void)
829 {
830         FILE* result = NULL;
831         const gchar* path;
832
833         if (access (MODEST_OPERATOR_WIZARD_MCC_MAPPING, R_OK) == 0) {
834                 path = MODEST_OPERATOR_WIZARD_MCC_MAPPING;
835         } else if (access (MODEST_MCC_MAPPING, R_OK) == 0) {
836                 path = MODEST_MCC_MAPPING;
837         } else {
838                 g_warning ("%s: neither '%s' nor '%s' is a readable mapping file",
839                            __FUNCTION__, MODEST_OPERATOR_WIZARD_MCC_MAPPING, MODEST_MCC_MAPPING);
840                 return NULL;
841         }
842
843         result = fopen (path, "r");
844         if (!result) {
845                 g_warning ("%s: error opening mapping file '%s': %s",
846                            __FUNCTION__, path, strerror(errno));
847         }
848
849         return result;
850 }
851
852 /* each line is of the form:
853    xxx    logical_id
854
855   NOTE: this function is NOT re-entrant, the out-param country
856   are static strings that should NOT be freed. and will change when
857   calling this function again
858 */
859 static int
860 parse_mcc_mapping_line (const char* line,  char** country)
861 {
862         char mcc[4];  /* the mcc code, always 3 bytes*/
863         gchar *iter, *tab, *final;
864
865         if (!line) {
866                 *country = NULL;
867                 return 0;
868         }
869
870         /* Go to the first tab (Country separator) */
871         tab = g_utf8_strrchr (line, -1, '\t');
872         if (!tab)
873                 return 0;
874
875         *country = g_utf8_find_next_char (tab, NULL);
876
877         /* Replace by end of string. We need to use strlen, because
878            g_utf8_strrchr expects bytes and not UTF8 characters. File
879            lines end with \r\n */
880         final = g_utf8_strrchr (tab, strlen (tab) + 1, '\r');
881         if (G_LIKELY (final))
882                 *final = '\0';
883         else
884                 tab[strlen(tab) - 1] = '\0';
885
886         /* Get MCC code */
887         mcc[0] = g_utf8_get_char (line);
888         iter = g_utf8_find_next_char (line, NULL);
889         mcc[1] = g_utf8_get_char (iter);
890         iter = g_utf8_find_next_char (iter, NULL);
891         mcc[2] = g_utf8_get_char (iter);
892         mcc[3] = '\0';
893
894         return (int) strtol ((const char*)mcc, NULL, 10);
895 }
896
897 #define MCC_FILE_MAX_LINE_LEN 128 /* max length of a line in MCC file */
898
899 /** Note that the mcc_mapping file is installed 
900  * by the operator-wizard-settings package.
901  */
902 GtkTreeModel *
903 modest_utils_create_country_model (void)
904 {
905         GtkTreeModel *model;
906
907         model = GTK_TREE_MODEL (gtk_list_store_new (2,  G_TYPE_STRING, G_TYPE_INT));
908
909         return model;
910 }
911
912 void
913 modest_utils_fill_country_model (GtkTreeModel *model, gint *locale_mcc)
914 {
915         char line[MCC_FILE_MAX_LINE_LEN];
916         guint previous_mcc = 0;
917         gchar *territory;
918         GHashTable *country_hash;
919         FILE *file;
920
921         /* First we need to know our current region */
922         file = modest_utils_open_mcc_mapping_file ();
923         if (!file) {
924                 g_warning ("Could not open mcc_mapping file");
925                 return;
926         }
927
928         /* Get the territory specified for the current locale */
929         territory = nl_langinfo (_NL_IDENTIFICATION_TERRITORY);
930
931         setlocale (LC_MESSAGES, "en_GB");
932
933         while (fgets (line, MCC_FILE_MAX_LINE_LEN, file) != NULL) {
934                 int mcc;
935                 char *country = NULL;
936
937                 mcc = parse_mcc_mapping_line (line, &country);
938                 if (!country || mcc == 0) {
939                         g_warning ("%s: error parsing line: '%s'", __FUNCTION__, line);
940                         continue;
941                 }
942
943                 if (mcc == previous_mcc) {
944                         /* g_warning ("already seen: %s", line); */
945                         continue;
946                 }
947                 previous_mcc = mcc;
948
949                 if (!(*locale_mcc)) {
950                         gchar *translation = dgettext ("osso-countries", country);
951                         if (!g_utf8_collate (translation, territory))
952                                 *locale_mcc = mcc;
953                 }
954         }
955
956         setlocale (LC_MESSAGES, "");
957
958         /* Now we fill the model */
959         rewind (file);
960         country_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
961         while (fgets (line, MCC_FILE_MAX_LINE_LEN, file) != NULL) {
962
963                 int mcc;
964                 char *country = NULL;
965                 GtkTreeIter iter;
966                 const gchar *name_translated;
967
968                 mcc = parse_mcc_mapping_line (line, &country);
969                 if (!country || mcc == 0) {
970                         g_warning ("%s: error parsing line: '%s'", __FUNCTION__, line);
971                         continue;
972                 }
973
974                 if (mcc == previous_mcc ||
975                     g_hash_table_lookup (country_hash, country)) {
976                         g_debug ("already seen: '%s' %d", country, mcc);
977                         continue;
978                 }
979                 previous_mcc = mcc;
980
981                 g_hash_table_insert (country_hash, g_strdup (country), GINT_TO_POINTER (mcc));
982
983                 name_translated = dgettext ("osso-countries", country);
984
985                 /* Add the row to the model if we have translation for it */
986                 if (g_utf8_collate (country, name_translated)) {
987                         gtk_list_store_append (GTK_LIST_STORE (model), &iter);
988                         gtk_list_store_set(GTK_LIST_STORE (model), &iter,
989                                            MODEST_UTILS_COUNTRY_MODEL_COLUMN_MCC, mcc,
990                                            MODEST_UTILS_COUNTRY_MODEL_COLUMN_NAME, name_translated,
991                                            -1);
992                 } else {
993                         g_debug ("%s no translation for %s", __FUNCTION__, country);
994                 }
995         }
996
997
998         g_hash_table_unref (country_hash);
999         fclose (file);
1000
1001         /* Fallback to Finland */
1002         if (!(*locale_mcc))
1003                 *locale_mcc = 244;
1004
1005         /* Sort the items: */
1006         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (model), 
1007                                               MODEST_UTILS_COUNTRY_MODEL_COLUMN_NAME, GTK_SORT_ASCENDING);
1008 }
1009
1010 GList *
1011 modest_utils_create_notification_list_from_header_list (TnyList *header_list)
1012 {
1013         GList *new_headers_list;
1014         TnyIterator *iter;
1015
1016         g_return_val_if_fail (TNY_IS_LIST (header_list), NULL);
1017         g_return_val_if_fail (tny_list_get_length (header_list) > 0, NULL);
1018
1019         new_headers_list = NULL;
1020         iter = tny_list_create_iterator (header_list);
1021         while (!tny_iterator_is_done (iter)) {
1022                 ModestMsgNotificationData *data;
1023                 TnyHeader *header;
1024                 TnyFolder *folder;
1025
1026                 header = (TnyHeader *) tny_iterator_get_current (iter);
1027                 if (header) {
1028                         folder = tny_header_get_folder (header);
1029
1030                         if (folder) {
1031                                 gchar *uri, *uid;
1032
1033                                 uid = tny_header_dup_uid (header);
1034                                 uri = g_strdup_printf ("%s/%s",
1035                                                        tny_folder_get_url_string (folder),
1036                                                        uid);
1037                                 g_free (uid);
1038
1039                                 /* Create data & add to list */
1040                                 data = g_slice_new0 (ModestMsgNotificationData);
1041                                 data->subject = tny_header_dup_subject (header);
1042                                 data->from = tny_header_dup_from (header);
1043                                 data->uri = uri;
1044
1045                                 new_headers_list = g_list_append (new_headers_list, data);
1046
1047                                 g_object_unref (folder);
1048                         }
1049                         g_object_unref (header);
1050                 }
1051                 tny_iterator_next (iter);
1052         }
1053         g_object_unref (iter);
1054
1055         return new_headers_list;
1056 }
1057
1058 static void
1059 free_notification_data (gpointer data,
1060                         gpointer user_data)
1061 {
1062         ModestMsgNotificationData *notification_data  = (ModestMsgNotificationData *) data;
1063
1064         g_free (notification_data->from);
1065         g_free (notification_data->subject);
1066         g_free (notification_data->uri);
1067
1068         g_slice_free (ModestMsgNotificationData, notification_data);
1069 }
1070
1071 void
1072 modest_utils_free_notification_list (GList *notification_list)
1073 {
1074         g_return_if_fail (g_list_length (notification_list) > 0);
1075
1076         g_list_foreach (notification_list, free_notification_data, NULL);
1077         g_list_free (notification_list);
1078 }
1079
1080 void
1081 modest_utils_flush_send_queue (const gchar *account_id)
1082 {
1083         TnyTransportAccount *account;
1084
1085         /* Get the transport account */
1086         account = (TnyTransportAccount *)
1087                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1088                                                              account_id,
1089                                                              TNY_ACCOUNT_TYPE_TRANSPORT);
1090         if (account) {
1091                 ModestMailOperation *wakeup_op;
1092                 ModestTnySendQueue *send_queue = modest_runtime_get_send_queue (account, TRUE);
1093
1094                 /* Flush it! */
1095                 wakeup_op = modest_mail_operation_new (NULL);
1096                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
1097                                                  wakeup_op);
1098                 modest_mail_operation_queue_wakeup (wakeup_op, send_queue);
1099
1100                 g_object_unref (account);
1101         }
1102 }