Do ignore empty recipients when checking names
[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 #ifdef MODEST_TOOLKIT_HILDON2
56 #include "modest-header-window.h"
57 #endif
58 #include <langinfo.h>
59
60 GQuark
61 modest_utils_get_supported_secure_authentication_error_quark (void)
62 {
63         return g_quark_from_static_string("modest-utils-get-supported-secure-authentication-error-quark");
64 }
65
66 gboolean
67 modest_utils_folder_writable (const gchar *filename)
68 {
69         g_return_val_if_fail (filename, FALSE);
70
71         if (!filename)
72                 return FALSE;
73
74         if (g_ascii_strncasecmp (filename, "obex", 4) != 0) {
75                 GnomeVFSFileInfo *folder_info = NULL;
76                 GnomeVFSResult result = GNOME_VFS_OK;
77                 GnomeVFSURI *uri = NULL;
78                 GnomeVFSURI *folder_uri = NULL;
79
80                 uri = gnome_vfs_uri_new (filename);
81                 folder_uri = gnome_vfs_uri_get_parent (uri);
82
83                 if (folder_uri != NULL) {
84                         folder_info = gnome_vfs_file_info_new ();
85                         result = gnome_vfs_get_file_info_uri (folder_uri, folder_info,
86                                                               GNOME_VFS_FILE_INFO_GET_ACCESS_RIGHTS);
87                         gnome_vfs_uri_unref (folder_uri);
88                 }
89                 gnome_vfs_uri_unref (uri);
90
91                 if (folder_uri == NULL)
92                         return FALSE;
93
94                 if ((result != GNOME_VFS_OK) ||
95                     (!((folder_info->permissions & GNOME_VFS_PERM_ACCESS_WRITABLE) ||
96                        (folder_info->permissions & GNOME_VFS_PERM_USER_WRITE)))) {
97
98                         gnome_vfs_file_info_unref (folder_info);
99                         return FALSE;
100                 }
101                 gnome_vfs_file_info_unref (folder_info);
102         }
103         return TRUE;
104 }
105
106 gboolean
107 modest_utils_file_exists (const gchar *filename)
108 {
109         gboolean result = FALSE;
110         gchar *path;
111
112         g_return_val_if_fail (filename, FALSE);
113
114         path = strstr (filename, "file://");
115         if (!path)
116                 path = (gchar *) filename;
117         else
118                 path = (gchar *) filename + strlen ("file://");
119
120         if (g_access (path, F_OK) == 0)
121                 result = TRUE;
122
123         return result;
124 }
125
126 TnyFsStream *
127 modest_utils_create_temp_stream (const gchar *orig_name, const gchar *hash_base, gchar **path)
128 {
129         gint fd;
130         gchar *filepath = NULL;
131         gchar *tmpdir;
132         guint hash_number;
133
134         /* hmmm... maybe we need a modest_text_utils_validate_file_name? */
135         g_return_val_if_fail (orig_name && strlen(orig_name) != 0, NULL);
136
137         if (strlen(orig_name) > 200) {
138                 g_warning ("%s: filename too long ('%s')",
139                            __FUNCTION__, orig_name);
140                 return NULL;
141         }
142
143         if (g_strstr_len (orig_name, strlen (orig_name), "/") != NULL) {
144                 g_warning ("%s: filename contains '/' character(s) (%s)",
145                            __FUNCTION__, orig_name);
146                 return NULL;
147         }
148
149         /* make a random subdir under /tmp or /var/tmp */
150         if (hash_base != NULL) {
151                 hash_number = g_str_hash (hash_base);
152         } else {
153                 hash_number = (guint) random ();
154         }
155         tmpdir = g_strdup_printf ("%s/%u", g_get_tmp_dir (), hash_number);
156         if ((g_access (tmpdir, R_OK) == -1) && (g_mkdir (tmpdir, 0755) == -1)) {
157                 g_warning ("%s: failed to create dir '%s': %s",
158                            __FUNCTION__, tmpdir, g_strerror(errno));
159                 g_free (tmpdir);
160                 return NULL;
161         }
162
163         filepath = g_build_filename (tmpdir, orig_name, NULL);
164
165         /* if file exists, first we try to remove it */
166         if (g_access (filepath, F_OK) == 0)
167                 g_unlink (filepath);
168
169         /* don't overwrite if it already exists, even if it is writable */
170         if (g_access (filepath, F_OK) == 0) {
171                 if (path!=NULL) {
172                         *path = filepath;
173                 } else {
174                         g_free (filepath);
175                 }
176                 g_free (tmpdir);
177                 return NULL;
178         } else {
179                 /* try to write the file there */
180                 fd = g_open (filepath, O_CREAT|O_WRONLY|O_TRUNC, 0644);
181                 if (fd == -1) {
182                         g_warning ("%s: failed to create '%s': %s",
183                                         __FUNCTION__, filepath, g_strerror(errno));
184                         g_free (filepath);
185                         g_free (tmpdir);
186                         return NULL;
187                 }
188         }
189
190         g_free (tmpdir);
191
192         if (path)
193                 *path = filepath;
194         else
195                 g_free (filepath);
196
197         return TNY_FS_STREAM (tny_fs_stream_new (fd));
198 }
199
200 typedef struct 
201 {
202         GList **result;
203         GtkWidget* dialog;
204         GtkWidget* progress;
205 } ModestGetSupportedAuthInfo;
206
207 static gboolean
208 on_idle_secure_auth_finished (gpointer user_data)
209 {
210         /* Operation has finished, close the dialog. Control continues after
211          * gtk_dialog_run in modest_utils_get_supported_secure_authentication_methods() */
212         gdk_threads_enter(); /* CHECKED */
213         gtk_dialog_response (GTK_DIALOG (user_data), GTK_RESPONSE_ACCEPT);
214         gdk_threads_leave(); /* CHECKED */
215
216         return FALSE;
217 }
218
219 static void
220 on_camel_account_get_supported_secure_authentication (TnyCamelAccount *self,
221                                                       gboolean cancelled,
222                                                       TnyList *auth_types,
223                                                       GError *err,
224                                                       gpointer user_data)
225 {
226         ModestPairList *pairs;
227         GList *result;
228         ModestProtocolRegistry *protocol_registry;
229         ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
230         TnyIterator* iter;
231
232         g_return_if_fail (user_data);
233         g_return_if_fail (TNY_IS_CAMEL_ACCOUNT(self));
234         g_return_if_fail (TNY_IS_LIST(auth_types));
235
236         info = (ModestGetSupportedAuthInfo *) user_data;
237
238         /* Free everything if the actual action was canceled */
239         if (cancelled) {
240                 g_debug ("%s: operation canceled\n", __FUNCTION__);
241                 goto close_dialog;
242         }
243
244         if (err) {
245                 g_debug ("%s: error getting the supported auth methods\n", __FUNCTION__);
246                 goto close_dialog;
247         }
248
249         if (!auth_types) {
250                 g_debug ("%s: auth_types is NULL.\n", __FUNCTION__);
251                 goto close_dialog;
252         }
253
254         if (tny_list_get_length(auth_types) == 0) {
255                 g_debug ("%s: auth_types is an empty TnyList.\n", __FUNCTION__);
256                 goto close_dialog;
257         }
258
259         protocol_registry = modest_runtime_get_protocol_registry ();
260         pairs = modest_protocol_registry_get_pair_list_by_tag (protocol_registry, MODEST_PROTOCOL_REGISTRY_AUTH_PROTOCOLS);
261
262         /* Get the enum value for the strings: */
263         result = NULL;
264         iter = tny_list_create_iterator(auth_types);
265         while (!tny_iterator_is_done(iter)) {
266                 TnyPair *pair;
267                 const gchar *auth_name;
268                 ModestProtocolType protocol_type;
269
270                 pair = TNY_PAIR(tny_iterator_get_current(iter));
271                 auth_name = NULL;
272                 if (pair) {
273                         auth_name = tny_pair_get_name(pair);
274                         g_object_unref (pair);
275                         pair = NULL;
276                 }
277
278                 g_debug ("%s: auth_name=%s\n", __FUNCTION__, auth_name);
279
280                 protocol_type = modest_protocol_get_type_id (modest_protocol_registry_get_protocol_by_name (protocol_registry,
281                                                                                                             MODEST_PROTOCOL_REGISTRY_AUTH_PROTOCOLS,
282                                                                                                             auth_name));
283
284                 if (modest_protocol_registry_protocol_type_is_secure (protocol_registry, protocol_type))
285                         result = g_list_prepend(result, GINT_TO_POINTER(protocol_type));
286
287                 tny_iterator_next(iter);
288         }
289         g_object_unref (iter);
290
291         modest_pair_list_free (pairs);
292         *(info->result) = result;
293
294  close_dialog:
295         /* Close the dialog in a main thread */
296         g_idle_add(on_idle_secure_auth_finished, info->dialog);
297
298         /* Free the info */
299         g_slice_free (ModestGetSupportedAuthInfo, info);
300 }
301
302 typedef struct {
303         GtkWidget *progress;
304         gboolean not_finished;
305 } KeepPulsing;
306
307 static gboolean
308 keep_pulsing (gpointer user_data)
309 {
310         KeepPulsing *info = (KeepPulsing *) user_data;
311
312         if (!info->not_finished) {
313                 g_slice_free (KeepPulsing, info);
314                 return FALSE;
315         }
316
317         gtk_progress_bar_pulse (GTK_PROGRESS_BAR (info->progress));
318         return TRUE;
319 }
320
321 GList*
322 modest_utils_get_supported_secure_authentication_methods (ModestProtocolType protocol_type,
323                                                           const gchar* hostname,
324                                                           gint port,
325                                                           const gchar* username,
326                                                           GtkWindow *parent_window,
327                                                           GError** error)
328 {
329         TnyAccount * tny_account = NULL;
330         ModestProtocolRegistry *protocol_registry;
331         GtkWidget *dialog;
332         gint retval;
333         ModestTnyAccountStore *account_store;
334         TnySessionCamel *session = NULL;
335         ModestProtocol *protocol = NULL;
336         GList *result = NULL;
337         GtkWidget *progress;
338
339         g_return_val_if_fail (protocol_type != MODEST_PROTOCOL_REGISTRY_TYPE_INVALID, NULL);
340
341         protocol_registry = modest_runtime_get_protocol_registry ();
342
343         /* We need a connection to get the capabilities; */
344         if (!modest_platform_connect_and_wait (GTK_WINDOW (parent_window), NULL))
345                 return NULL;
346
347         /* Create a TnyCamelAccount so we can use 
348          * tny_camel_account_get_supported_secure_authentication(): */
349         protocol = modest_protocol_registry_get_protocol_by_type (protocol_registry, protocol_type);
350         tny_account = NULL;
351         if (MODEST_IS_ACCOUNT_PROTOCOL (protocol)) {
352                 tny_account = modest_account_protocol_create_account (MODEST_ACCOUNT_PROTOCOL (protocol));
353         }
354
355         if (!tny_account) {
356                 g_printerr ("%s could not create tny account.", __FUNCTION__);
357                 return NULL;
358         }
359
360         /* Set proto, so that the prepare_func() vfunc will work when
361          * we call set_session(): */
362         protocol = modest_protocol_registry_get_protocol_by_type (protocol_registry, protocol_type);
363         tny_account_set_id (tny_account, "temp_account");
364         tny_account_set_proto (tny_account, modest_protocol_get_name (protocol));
365         tny_account_set_hostname (tny_account, hostname);
366         tny_account_set_user (tny_account, username);
367
368         if(port > 0)
369                 tny_account_set_port (tny_account, port);
370
371         /* Set the session for the account, so we can use it: */
372         account_store = modest_runtime_get_account_store ();
373         session = modest_tny_account_store_get_session (TNY_ACCOUNT_STORE (account_store));
374         g_return_val_if_fail (session, NULL);
375         tny_camel_account_set_session (TNY_CAMEL_ACCOUNT(tny_account), session);
376
377         dialog = gtk_dialog_new_with_buttons(" ",
378                                              parent_window,
379                                              GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
380                                              _("mcen_bd_dialog_cancel"),
381                                              GTK_RESPONSE_REJECT,
382                                              NULL);
383
384         /* Ask camel to ask the server, asynchronously: */
385         ModestGetSupportedAuthInfo *info = g_slice_new (ModestGetSupportedAuthInfo);
386         info->result = &result;
387         info->dialog = dialog;
388
389         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox),
390                           gtk_label_new(_("emev_ni_checking_supported_auth_methods")));
391         progress = gtk_progress_bar_new();
392         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox), progress);
393         gtk_widget_show_all(info->dialog);
394
395         KeepPulsing *pi = g_slice_new (KeepPulsing);
396         pi->progress = progress;
397         pi->not_finished = TRUE;
398
399         /* Starts the pulsing of the progressbar */
400         g_timeout_add (500, keep_pulsing, pi);
401
402         tny_camel_account_get_supported_secure_authentication (TNY_CAMEL_ACCOUNT (tny_account),
403                                                                on_camel_account_get_supported_secure_authentication,
404                                                                NULL,
405                                                                info);
406
407         retval = gtk_dialog_run (GTK_DIALOG (info->dialog));
408
409         pi->not_finished = FALSE;
410         /* pi is freed in the timeout itself to avoid a GCond here */
411
412         gtk_widget_destroy(dialog);
413
414         /* Frees */
415         tny_account_cancel (tny_account);
416         g_object_unref (tny_account);
417
418         return result;
419 }
420
421 void
422 modest_utils_show_dialog_and_forget (GtkWindow *parent_window,
423                                      GtkDialog *dialog)
424 {
425         g_return_if_fail (GTK_IS_WINDOW(parent_window));
426         g_return_if_fail (GTK_IS_DIALOG(dialog));
427
428         gtk_window_set_transient_for (GTK_WINDOW (dialog), parent_window);
429
430         /* Destroy the dialog when it is closed: */
431         g_signal_connect_swapped (dialog,
432                                   "response",
433                                   G_CALLBACK (gtk_widget_destroy),
434                                   dialog);
435
436         gtk_widget_show (GTK_WIDGET (dialog));
437 }
438
439 void
440 modest_utils_toggle_action_set_active_block_notify (GtkToggleAction *action, gboolean value)
441 {
442         GSList *proxies = NULL;
443
444         g_return_if_fail (GTK_IS_TOGGLE_ACTION (action));
445
446         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
447              proxies != NULL; proxies = g_slist_next (proxies)) {
448                 GtkWidget *widget = (GtkWidget *) proxies->data;
449                 gtk_action_block_activate_from (GTK_ACTION (action), widget);
450         }
451
452         gtk_toggle_action_set_active (action, value);
453
454         for (proxies = gtk_action_get_proxies (GTK_ACTION (action));
455              proxies != NULL; proxies = g_slist_next (proxies)) {
456                 GtkWidget *widget = (GtkWidget *) proxies->data;
457                 gtk_action_unblock_activate_from (GTK_ACTION (action), widget);
458         }
459
460 }
461
462
463 gint 
464 modest_list_index (TnyList *list, GObject *object)
465 {
466         TnyIterator *iter;
467         gint index = 0;
468
469         g_return_val_if_fail (TNY_IS_LIST(list), -1);
470         g_return_val_if_fail (G_IS_OBJECT(object), -1);
471         
472         iter = tny_list_create_iterator (list);
473         while (!tny_iterator_is_done (iter)) {
474                 GObject *current = tny_iterator_get_current (iter);
475
476                 g_object_unref (current);
477                 if (current == object)
478                         break;
479
480                 tny_iterator_next (iter);
481                 index++;
482         }
483
484         if (tny_iterator_is_done (iter))
485                 index = -1;
486         g_object_unref (iter);
487         return index;
488 }
489
490 guint64 
491 modest_utils_get_available_space (const gchar *maildir_path)
492 {
493         gchar *folder;
494         gchar *uri_string;
495         GnomeVFSURI *uri;
496         GnomeVFSFileSize size;
497
498         folder = modest_local_folder_info_get_maildir_path (maildir_path);
499         uri_string = gnome_vfs_get_uri_from_local_path (folder);
500         uri = gnome_vfs_uri_new (uri_string);
501         g_free (folder);
502         g_free (uri_string);
503
504         if (uri) {
505                 if (gnome_vfs_get_volume_free_space (uri, &size) != GNOME_VFS_OK)
506                         size = 0;
507                 gnome_vfs_uri_unref (uri);
508         } else {
509                 size = 0;
510         }
511
512         return (guint64) size;
513 }
514 static void
515 on_destroy_dialog (GtkDialog *dialog)
516 {
517         gtk_widget_destroy (GTK_WIDGET(dialog));
518         if (gtk_events_pending ())
519                 gtk_main_iteration ();
520 }
521
522 static guint
523 checked_modest_sort_criterium_view_add_sort_key (ModestSortCriteriumView *view, const gchar* key, guint max)
524 {
525         gint sort_key;
526         
527         g_return_val_if_fail (view && MODEST_IS_SORT_CRITERIUM_VIEW(view), 0);
528         g_return_val_if_fail (key, 0);
529         
530         sort_key = modest_sort_criterium_view_add_sort_key (view, key);
531         if (sort_key < 0 || sort_key >= max) {
532                 g_warning ("%s: out of range (%d) for %s", __FUNCTION__, sort_key, key);
533                 return 0;
534         } else
535                 return (guint)sort_key; 
536 }
537
538 static void
539 launch_sort_headers_dialog (GtkWindow *parent_window,
540                             GtkDialog *dialog)
541 {
542         ModestHeaderView *header_view = NULL;
543         GList *cols = NULL;
544         GtkSortType sort_type;
545         gint sort_key;
546         gint default_key = 0;
547         gint result;
548         gboolean outgoing = FALSE;
549         gint current_sort_colid = -1;
550         GtkSortType current_sort_type;
551         gint attachments_sort_id;
552         gint priority_sort_id;
553         GtkTreeSortable *sortable;
554         
555         /* Get header window */
556         if (MODEST_IS_MAIN_WINDOW (parent_window)) {
557                 header_view = MODEST_HEADER_VIEW(modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(parent_window),
558                                                                                       MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW));
559 #ifdef MODEST_TOOLKIT_HILDON2
560         } else if (MODEST_IS_HEADER_WINDOW (parent_window)) {
561                 header_view = MODEST_HEADER_VIEW (modest_header_window_get_header_view (MODEST_HEADER_WINDOW (parent_window)));
562 #endif
563
564         }
565         if (!header_view)
566                 return;
567         
568         /* Add sorting keys */
569         cols = modest_header_view_get_columns (header_view);
570         if (cols == NULL) 
571                 return;
572 #define SORT_ID_NUM 6
573         int sort_model_ids[SORT_ID_NUM];
574         int sort_ids[SORT_ID_NUM];
575
576         outgoing = (GPOINTER_TO_INT (g_object_get_data(G_OBJECT(cols->data), MODEST_HEADER_VIEW_COLUMN))==
577                     MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT);
578
579         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_sender_recipient"),
580                                                                     SORT_ID_NUM);
581         if (outgoing) {
582                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_TO_COLUMN;
583                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT;
584         } else {
585                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FROM_COLUMN;
586                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN;
587         }
588
589         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_date"),
590                                                             SORT_ID_NUM);
591         if (outgoing) {
592                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_DATE_SENT_TIME_T_COLUMN;
593                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_SENT_DATE;
594         } else {
595                 sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_DATE_RECEIVED_TIME_T_COLUMN;
596                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_RECEIVED_DATE;
597         }
598         default_key = sort_key;
599
600         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_subject"),
601                                                                     SORT_ID_NUM);
602         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_SUBJECT_COLUMN;
603         if (outgoing)
604                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_OUT;
605         else
606                 sort_ids[sort_key] = MODEST_HEADER_VIEW_COLUMN_COMPACT_HEADER_IN;
607
608         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_attachment"),
609                                                                     SORT_ID_NUM);
610         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN;
611         sort_ids[sort_key] = TNY_HEADER_FLAG_ATTACHMENTS;
612         attachments_sort_id = sort_key;
613
614         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_size"),
615                                                                     SORT_ID_NUM);
616         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_MESSAGE_SIZE_COLUMN;
617         sort_ids[sort_key] = 0;
618
619         sort_key = checked_modest_sort_criterium_view_add_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), _("mcen_li_sort_priority"),
620                                                                     SORT_ID_NUM);
621         sort_model_ids[sort_key] = TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN;
622         sort_ids[sort_key] = TNY_HEADER_FLAG_PRIORITY_MASK;
623         priority_sort_id = sort_key;
624         
625         sortable = GTK_TREE_SORTABLE (gtk_tree_view_get_model (GTK_TREE_VIEW (header_view)));
626         /* Launch dialogs */
627         if (!gtk_tree_sortable_get_sort_column_id (sortable,
628                                                    &current_sort_colid, &current_sort_type)) {
629                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), default_key);
630                 modest_sort_criterium_view_set_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog), GTK_SORT_DESCENDING);
631         } else {
632                 modest_sort_criterium_view_set_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog), current_sort_type);
633                 if (current_sort_colid == TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN) {
634                         gpointer flags_sort_type_pointer;
635                         flags_sort_type_pointer = g_object_get_data (G_OBJECT (cols->data), MODEST_HEADER_VIEW_FLAG_SORT);
636                         if (GPOINTER_TO_INT (flags_sort_type_pointer) == TNY_HEADER_FLAG_PRIORITY_MASK)
637                                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), priority_sort_id);
638                         else
639                                 modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), attachments_sort_id);
640                 } else {
641                         gint current_sort_keyid = 0;
642                         while (current_sort_keyid < SORT_ID_NUM) {
643                                 if (sort_model_ids[current_sort_keyid] == current_sort_colid)
644                                         break;
645                                 else 
646                                         current_sort_keyid++;
647                         }
648                         modest_sort_criterium_view_set_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog), current_sort_keyid);
649                 }
650         }
651
652         result = gtk_dialog_run (GTK_DIALOG (dialog));
653         if (result == GTK_RESPONSE_OK) {
654                 sort_key = modest_sort_criterium_view_get_sort_key (MODEST_SORT_CRITERIUM_VIEW (dialog));
655                 if (sort_key < 0 || sort_key > SORT_ID_NUM -1) {
656                         g_warning ("%s: out of range (%d)", __FUNCTION__, sort_key);
657                         sort_key = 0;
658                 }
659
660                 sort_type = modest_sort_criterium_view_get_sort_order (MODEST_SORT_CRITERIUM_VIEW (dialog));
661                 if (sort_model_ids[sort_key] == TNY_GTK_HEADER_LIST_MODEL_FLAGS_COLUMN) {
662                         g_object_set_data (G_OBJECT(cols->data), MODEST_HEADER_VIEW_FLAG_SORT,
663                                            GINT_TO_POINTER (sort_ids[sort_key]));
664                         /* This is a hack to make it resort rows always when flag fields are
665                          * selected. If we do not do this, changing sort field from priority to
666                          * attachments does not work */
667                         modest_header_view_sort_by_column_id (header_view, 0, sort_type);
668                 } else {
669                         gtk_tree_view_column_set_sort_column_id (GTK_TREE_VIEW_COLUMN (cols->data), 
670                                                                  sort_model_ids[sort_key]);
671                 }
672
673                 modest_header_view_sort_by_column_id (header_view, sort_model_ids[sort_key], sort_type);
674                 gtk_tree_sortable_sort_column_changed (sortable);
675         }
676
677         modest_widget_memory_save (modest_runtime_get_conf (),
678                                    G_OBJECT (header_view), MODEST_CONF_HEADER_VIEW_KEY);
679         
680         /* free */
681         g_list_free(cols);      
682 }
683
684 void
685 modest_utils_run_sort_dialog (GtkWindow *parent_window,
686                               ModestSortDialogType type)
687 {
688         GtkWidget *dialog = NULL;
689
690         /* Build dialog */
691         dialog = modest_platform_create_sort_dialog (parent_window);
692         if (dialog == NULL)
693                 return;
694         modest_window_mgr_set_modal (modest_runtime_get_window_mgr (),
695                                      GTK_WINDOW (dialog), parent_window);
696
697         /* Fill sort keys */
698         switch (type) {
699         case MODEST_SORT_HEADERS:
700                 launch_sort_headers_dialog (parent_window, 
701                                             GTK_DIALOG(dialog));
702                 break;
703         }
704         
705         /* Free */
706         on_destroy_dialog (GTK_DIALOG(dialog));
707 }
708
709
710 gchar *
711 modest_images_cache_get_id (const gchar *account, const gchar *uri)
712 {
713         GnomeVFSURI *vfs_uri;
714         gchar *result;
715  
716         vfs_uri = gnome_vfs_uri_new (uri);
717         if (vfs_uri == NULL)
718                 return NULL;
719  
720         result = g_strdup_printf ("%s__%x", account, gnome_vfs_uri_hash (vfs_uri));
721         gnome_vfs_uri_unref (vfs_uri);
722  
723         return result;
724 }
725
726 gchar *
727 modest_utils_get_account_name_from_recipient (const gchar *from_header, gchar **mailbox)
728 {
729         gchar *account_name = NULL;
730         ModestAccountMgr *mgr = NULL;
731         GSList *accounts = NULL, *node = NULL;
732
733         if (mailbox)
734                 *mailbox = NULL;
735         g_return_val_if_fail (from_header, NULL);
736
737         mgr = modest_runtime_get_account_mgr ();
738         accounts = modest_account_mgr_account_names (mgr, TRUE);
739                 
740         for (node = accounts; node != NULL; node = g_slist_next (node)) {
741                 gchar *from;
742                 gchar *transport_account;
743
744                 if (!strcmp (from_header, node->data)) {
745                         account_name = g_strdup (node->data);
746                         break;
747                 }
748
749                 transport_account = modest_account_mgr_get_server_account_name (modest_runtime_get_account_mgr (),
750                                                                                 (const gchar *) node->data,
751                                                                                 TNY_ACCOUNT_TYPE_TRANSPORT);
752                 if (transport_account) {
753                         gchar *proto;
754                         proto = modest_account_mgr_get_string (mgr, transport_account, MODEST_ACCOUNT_PROTO, TRUE);
755
756                         if (proto != NULL) {
757                                 ModestProtocol *protocol = 
758                                         modest_protocol_registry_get_protocol_by_name (modest_runtime_get_protocol_registry (),
759                                                                                        MODEST_PROTOCOL_REGISTRY_TRANSPORT_PROTOCOLS,
760                                                                                        proto);
761                                 if (protocol && MODEST_IS_ACCOUNT_PROTOCOL (protocol)) {
762                                         ModestPairList *pair_list;
763                                         ModestPair *pair;
764                                         gchar *from_header_email =
765                                                 modest_text_utils_get_email_address (from_header);
766                                         pair_list = modest_account_protocol_get_from_list (MODEST_ACCOUNT_PROTOCOL (protocol),
767                                                                                            node->data);
768                                         
769                                         pair = modest_pair_list_find_by_first_as_string (pair_list, from_header_email);
770                                         if (pair != NULL) {
771                                                 account_name = g_strdup (node->data);
772                                                 if (mailbox)
773                                                         *mailbox = g_strdup (from_header_email);
774                                         }
775                                         
776                                         modest_pair_list_free (pair_list);
777                                         
778                                 }
779                                 g_free (proto);
780                         }
781                         g_free (transport_account);
782                 }
783                 if (mailbox && *mailbox)
784                         break;
785
786                 from = 
787                         modest_account_mgr_get_from_string (mgr, node->data, NULL);
788                         
789                 if (from) {
790                         gchar *from_email = 
791                                 modest_text_utils_get_email_address (from);
792                         gchar *from_header_email =
793                                 modest_text_utils_get_email_address (from_header);
794                                 
795                         if (from_email && from_header_email) {
796                                 if (!modest_text_utils_utf8_strcmp (from_header_email, from_email, TRUE)) {
797                                         account_name = g_strdup (node->data);
798                                         g_free (from);
799                                         g_free (from_email);
800                                         break;
801                                 }
802                         }
803                         g_free (from_email);
804                         g_free (from_header_email);
805                         g_free (from);
806                 }
807
808                         
809         }
810         g_slist_foreach (accounts, (GFunc) g_free, NULL);
811         g_slist_free (accounts);
812
813         return account_name;
814 }
815
816 void 
817 modest_utils_on_entry_invalid_character (ModestValidatingEntry *self, 
818                                          const gchar* character,
819                                          gpointer user_data)
820 {
821         gchar *message = NULL;
822         const gchar *show_char = NULL;
823
824         if (character)
825                 show_char = character;
826         else {
827                 show_char = "' '";
828         }
829         
830         message = g_strdup_printf (_CS("ckdg_ib_illegal_characters_entered"), show_char);
831         modest_platform_information_banner (GTK_WIDGET (self), NULL, message);
832         g_free (message);
833 }
834
835 FILE*
836 modest_utils_open_mcc_mapping_file (void)
837 {
838         FILE* result = NULL;
839         const gchar* path;
840
841         if (access (MODEST_OPERATOR_WIZARD_MCC_MAPPING, R_OK) == 0) {
842                 path = MODEST_OPERATOR_WIZARD_MCC_MAPPING;
843         } else if (access (MODEST_MCC_MAPPING, R_OK) == 0) {
844                 path = MODEST_MCC_MAPPING;
845         } else {
846                 g_warning ("%s: neither '%s' nor '%s' is a readable mapping file",
847                            __FUNCTION__, MODEST_OPERATOR_WIZARD_MCC_MAPPING, MODEST_MCC_MAPPING);
848                 return NULL;
849         }
850
851         result = fopen (path, "r");
852         if (!result) {
853                 g_warning ("%s: error opening mapping file '%s': %s",
854                            __FUNCTION__, path, strerror(errno));
855         }
856
857         return result;
858 }
859
860 /* each line is of the form:
861    xxx    logical_id
862
863   NOTE: this function is NOT re-entrant, the out-param country
864   are static strings that should NOT be freed. and will change when
865   calling this function again
866 */
867 static int
868 parse_mcc_mapping_line (const char* line,  char** country)
869 {
870         char mcc[4];  /* the mcc code, always 3 bytes*/
871         gchar *iter, *tab, *final;
872
873         if (!line) {
874                 *country = NULL;
875                 return 0;
876         }
877
878         /* Go to the first tab (Country separator) */
879         tab = g_utf8_strrchr (line, -1, '\t');
880         if (!tab)
881                 return 0;
882
883         *country = g_utf8_find_next_char (tab, NULL);
884
885         /* Replace by end of string. We need to use strlen, because
886            g_utf8_strrchr expects bytes and not UTF8 characters. File
887            lines end with \r\n */
888         final = g_utf8_strrchr (tab, strlen (tab) + 1, '\r');
889         if (G_LIKELY (final))
890                 *final = '\0';
891         else
892                 tab[strlen(tab) - 1] = '\0';
893
894         /* Get MCC code */
895         mcc[0] = g_utf8_get_char (line);
896         iter = g_utf8_find_next_char (line, NULL);
897         mcc[1] = g_utf8_get_char (iter);
898         iter = g_utf8_find_next_char (iter, NULL);
899         mcc[2] = g_utf8_get_char (iter);
900         mcc[3] = '\0';
901
902         return (int) strtol ((const char*)mcc, NULL, 10);
903 }
904
905 #define MCC_FILE_MAX_LINE_LEN 128 /* max length of a line in MCC file */
906
907 /** Note that the mcc_mapping file is installed 
908  * by the operator-wizard-settings package.
909  */
910 GtkTreeModel *
911 modest_utils_create_country_model (void)
912 {
913         GtkTreeModel *model;
914
915         model = GTK_TREE_MODEL (gtk_list_store_new (2,  G_TYPE_STRING, G_TYPE_INT));
916
917         return model;
918 }
919
920 void
921 modest_utils_fill_country_model (GtkTreeModel *model, gint *locale_mcc)
922 {
923         char line[MCC_FILE_MAX_LINE_LEN];
924         guint previous_mcc = 0;
925         gchar *territory;
926         GHashTable *country_hash;
927         FILE *file;
928
929         /* First we need to know our current region */
930         file = modest_utils_open_mcc_mapping_file ();
931         if (!file) {
932                 g_warning ("Could not open mcc_mapping file");
933                 return;
934         }
935
936         /* Get the territory specified for the current locale */
937         territory = nl_langinfo (_NL_IDENTIFICATION_TERRITORY);
938
939         setlocale (LC_MESSAGES, "en_GB");
940
941         while (fgets (line, MCC_FILE_MAX_LINE_LEN, file) != NULL) {
942                 int mcc;
943                 char *country = NULL;
944
945                 mcc = parse_mcc_mapping_line (line, &country);
946                 if (!country || mcc == 0) {
947                         g_warning ("%s: error parsing line: '%s'", __FUNCTION__, line);
948                         continue;
949                 }
950
951                 if (mcc == previous_mcc) {
952                         /* g_warning ("already seen: %s", line); */
953                         continue;
954                 }
955                 previous_mcc = mcc;
956
957                 if (!(*locale_mcc)) {
958                         gchar *translation = dgettext ("osso-countries", country);
959                         if (!g_utf8_collate (translation, territory))
960                                 *locale_mcc = mcc;
961                 }
962         }
963
964         setlocale (LC_MESSAGES, "");
965
966         /* Now we fill the model */
967         rewind (file);
968         country_hash = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
969         while (fgets (line, MCC_FILE_MAX_LINE_LEN, file) != NULL) {
970
971                 int mcc;
972                 char *country = NULL;
973                 GtkTreeIter iter;
974                 const gchar *name_translated;
975
976                 mcc = parse_mcc_mapping_line (line, &country);
977                 if (!country || mcc == 0) {
978                         g_warning ("%s: error parsing line: '%s'", __FUNCTION__, line);
979                         continue;
980                 }
981
982                 if (mcc == previous_mcc ||
983                     g_hash_table_lookup (country_hash, country)) {
984                         g_debug ("already seen: '%s' %d", country, mcc);
985                         continue;
986                 }
987                 previous_mcc = mcc;
988
989                 g_hash_table_insert (country_hash, g_strdup (country), GINT_TO_POINTER (mcc));
990
991                 name_translated = dgettext ("osso-countries", country);
992
993                 /* Add the row to the model if we have translation for it */
994                 if (g_utf8_collate (country, name_translated)) {
995                         gtk_list_store_append (GTK_LIST_STORE (model), &iter);
996                         gtk_list_store_set(GTK_LIST_STORE (model), &iter,
997                                            MODEST_UTILS_COUNTRY_MODEL_COLUMN_MCC, mcc,
998                                            MODEST_UTILS_COUNTRY_MODEL_COLUMN_NAME, name_translated,
999                                            -1);
1000                 } else {
1001                         g_debug ("%s no translation for %s", __FUNCTION__, country);
1002                 }
1003         }
1004
1005
1006         g_hash_table_unref (country_hash);
1007         fclose (file);
1008
1009         /* Fallback to Finland */
1010         if (!(*locale_mcc))
1011                 *locale_mcc = 244;
1012
1013         /* Sort the items: */
1014         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (model), 
1015                                               MODEST_UTILS_COUNTRY_MODEL_COLUMN_NAME, GTK_SORT_ASCENDING);
1016 }
1017
1018 GList *
1019 modest_utils_create_notification_list_from_header_list (TnyList *header_list)
1020 {
1021         GList *new_headers_list;
1022         TnyIterator *iter;
1023
1024         g_return_val_if_fail (TNY_IS_LIST (header_list), NULL);
1025         g_return_val_if_fail (tny_list_get_length (header_list) > 0, NULL);
1026
1027         new_headers_list = NULL;
1028         iter = tny_list_create_iterator (header_list);
1029         while (!tny_iterator_is_done (iter)) {
1030                 ModestMsgNotificationData *data;
1031                 TnyHeader *header;
1032                 TnyFolder *folder;
1033
1034                 header = (TnyHeader *) tny_iterator_get_current (iter);
1035                 if (header) {
1036                         folder = tny_header_get_folder (header);
1037
1038                         if (folder) {
1039                                 gchar *uri, *uid;
1040
1041                                 uid = tny_header_dup_uid (header);
1042                                 uri = g_strdup_printf ("%s/%s",
1043                                                        tny_folder_get_url_string (folder),
1044                                                        uid);
1045                                 g_free (uid);
1046
1047                                 /* Create data & add to list */
1048                                 data = g_slice_new0 (ModestMsgNotificationData);
1049                                 data->subject = tny_header_dup_subject (header);
1050                                 data->from = tny_header_dup_from (header);
1051                                 data->uri = uri;
1052
1053                                 new_headers_list = g_list_append (new_headers_list, data);
1054
1055                                 g_object_unref (folder);
1056                         }
1057                         g_object_unref (header);
1058                 }
1059                 tny_iterator_next (iter);
1060         }
1061         g_object_unref (iter);
1062
1063         return new_headers_list;
1064 }
1065
1066 static void
1067 free_notification_data (gpointer data,
1068                         gpointer user_data)
1069 {
1070         ModestMsgNotificationData *notification_data  = (ModestMsgNotificationData *) data;
1071
1072         g_free (notification_data->from);
1073         g_free (notification_data->subject);
1074         g_free (notification_data->uri);
1075
1076         g_slice_free (ModestMsgNotificationData, notification_data);
1077 }
1078
1079 void
1080 modest_utils_free_notification_list (GList *notification_list)
1081 {
1082         g_return_if_fail (g_list_length (notification_list) > 0);
1083
1084         g_list_foreach (notification_list, free_notification_data, NULL);
1085         g_list_free (notification_list);
1086 }
1087
1088 void
1089 modest_utils_flush_send_queue (const gchar *account_id)
1090 {
1091         TnyTransportAccount *account;
1092
1093         /* Get the transport account */
1094         account = (TnyTransportAccount *)
1095                 modest_tny_account_store_get_server_account (modest_runtime_get_account_store (),
1096                                                              account_id,
1097                                                              TNY_ACCOUNT_TYPE_TRANSPORT);
1098         if (account) {
1099                 ModestMailOperation *wakeup_op;
1100                 ModestTnySendQueue *send_queue = modest_runtime_get_send_queue (account, TRUE);
1101
1102                 /* Flush it! */
1103                 wakeup_op = modest_mail_operation_new (NULL);
1104                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
1105                                                  wakeup_op);
1106                 modest_mail_operation_queue_wakeup (wakeup_op, send_queue);
1107
1108                 g_object_unref (account);
1109         }
1110 }