* src/maemo/modest-address-book.c:
[modest] / src / maemo / modest-address-book.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 /* modest-address-book.c */
31
32 #include <config.h>
33 #include <glib/gi18n.h>
34 #include <modest-address-book.h>
35 #include <modest-text-utils.h>
36 #include <libebook/e-book.h>
37 #include <libebook/e-book-view.h>
38 #include <libosso-abook/osso-abook.h>
39 #include "modest-hildon-includes.h"
40 #include <string.h>
41 #include <gtk/gtksizegroup.h>
42 #include <gtk/gtkbox.h>
43 #include <gtk/gtklabel.h>
44 #include <gtk/gtkcellrenderertext.h>
45 #include <gtk/gtktreeselection.h>
46 #include <gtk/gtkentry.h>
47
48 static OssoABookContactModel *contact_model =  NULL;
49 static EBook *book = NULL;
50 static EBookView * book_view = NULL;
51
52 static GSList *get_recipients_for_given_contact(EContact * contact);
53 static void commit_contact(EContact * contact);
54 static gchar *get_email_addr_from_user(const gchar * given_name);
55 static gchar *ui_get_formatted_email_id(gchar * current_given_name,
56                                         gchar * current_sur_name, gchar * current_email_id);
57 static gchar *run_add_email_addr_to_contact_dlg(const gchar * contact_name);
58 static GSList *select_email_addrs_for_contact(GList * email_addr_list);
59 static gboolean resolve_address (const gchar *address, GSList **resolved_addresses, gchar **contact_id);
60 static gchar *unquote_string (const gchar *str);
61
62
63 static void
64 get_book_view_cb (EBook *book, EBookStatus status, EBookView *bookview, gpointer data)
65 {
66         if (status != E_BOOK_ERROR_OK) {
67                 g_object_unref (book);
68                 book = NULL;
69                 return;
70         }
71         book_view = bookview;
72
73         if (contact_model)
74                 osso_abook_tree_model_set_book_view (OSSO_ABOOK_TREE_MODEL (contact_model),
75                                                      book_view);
76
77         e_book_view_start (book_view);
78 }
79
80 static void
81 book_open_cb (EBook *view, EBookStatus status, gpointer data)
82 {
83         EBookQuery *query = NULL;
84
85         if (status != E_BOOK_ERROR_OK) {
86                 g_object_unref (book);
87                 book = NULL;
88                 return;
89         }
90         query = e_book_query_any_field_contains ("");
91         e_book_async_get_book_view (book, query, NULL, -1, get_book_view_cb, NULL);
92         e_book_query_unref (query);
93 }
94
95 static gboolean 
96 open_addressbook ()
97 {
98         book = e_book_new_system_addressbook (NULL);
99         if (!book)
100                 return FALSE;
101
102         e_book_async_open (book, FALSE, book_open_cb, NULL);
103
104         return TRUE; /* FIXME */        
105 }
106
107 static gboolean
108 open_addressbook_sync ()
109 {
110         book = e_book_new_system_addressbook (NULL);
111         if (!book)
112                 return FALSE;
113
114         e_book_open (book, FALSE, NULL);
115
116         return TRUE;
117 }
118
119 void
120 modest_address_book_add_address (const gchar *address)
121 {
122         OssoABookAccount *account = NULL;
123         GtkWidget *dialog = NULL;
124
125         contact_model = osso_abook_contact_model_new ();
126         if (!open_addressbook ()) {
127                 if (contact_model) {
128                         g_object_unref (contact_model);
129                         contact_model = NULL;
130                 }
131                 return;
132         }
133         
134         account = osso_abook_account_get (EVC_EMAIL, NULL, address);
135         if (account)
136         {
137                 dialog = osso_abook_add_to_contacts_dialog_new (contact_model, account);
138                 g_object_unref (account);
139                 gtk_dialog_run (GTK_DIALOG (dialog));
140
141                 if (contact_model) {
142                         g_object_unref (contact_model);
143                         contact_model = NULL;
144                 }
145
146                 gtk_widget_destroy (dialog);
147         }
148
149 }
150
151 void
152 modest_address_book_select_addresses (ModestRecptEditor *recpt_editor)
153 {
154         GtkWidget *contact_view = NULL;
155         GList *contacts_list = NULL;
156         GtkWidget *contact_dialog;
157         GSList *email_addrs_per_contact = NULL;
158         gchar *econtact_id;
159         gboolean focus_recpt_editor = FALSE;
160         GtkWidget *toplevel;
161
162         g_return_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor));
163
164         toplevel = gtk_widget_get_toplevel (GTK_WIDGET (recpt_editor));
165
166         contact_model = osso_abook_contact_model_new ();
167         if (!open_addressbook ()) {
168                 if (contact_model) {
169                         g_object_unref (contact_model);
170                         contact_model = NULL;
171                 }
172                 return;
173         }
174
175         contact_view = osso_abook_contact_selector_new_basic (contact_model);
176         osso_abook_contact_selector_set_minimum_selection (OSSO_ABOOK_CONTACT_SELECTOR (contact_view), 1);
177
178         contact_dialog = osso_abook_select_dialog_new (OSSO_ABOOK_TREE_VIEW (contact_view));
179         gtk_window_set_title (GTK_WINDOW (contact_dialog), _("mcen_ti_select_recipients"));
180
181         gtk_widget_show (contact_dialog);
182
183         if (gtk_dialog_run (GTK_DIALOG (contact_dialog)) == GTK_RESPONSE_OK) {
184                 contacts_list = 
185                         osso_abook_contact_selector_get_extended_selection (OSSO_ABOOK_CONTACT_SELECTOR
186                                                                              (contact_view));
187         }
188         
189         if (contacts_list) {
190                 GList *node;
191
192                 for (node = contacts_list; node != NULL; node = g_list_next (node)) {
193                         EContact *contact = (EContact *) node->data;
194
195                         email_addrs_per_contact = get_recipients_for_given_contact (contact);
196                         if (email_addrs_per_contact) {
197                                 econtact_id = (gchar *) e_contact_get_const (contact, E_CONTACT_UID);
198                                 modest_recpt_editor_add_resolved_recipient (MODEST_RECPT_EDITOR (recpt_editor), 
199                                                                             email_addrs_per_contact, econtact_id);
200                                 g_slist_foreach (email_addrs_per_contact, (GFunc) g_free, NULL);
201                                 g_slist_free (email_addrs_per_contact);
202                                 email_addrs_per_contact = NULL;
203                                 focus_recpt_editor = TRUE;
204                         }
205                 }
206                 g_list_free (contacts_list);
207         }
208
209         if (contact_model) {
210                 g_object_unref (contact_model);
211                 contact_model = NULL;
212         }
213
214         gtk_widget_destroy (contact_dialog);
215
216         if (focus_recpt_editor)
217                 modest_recpt_editor_grab_focus (MODEST_RECPT_EDITOR (recpt_editor));
218
219 }
220
221 /**
222  * This function returns the resolved recipients for a given EContact.
223  * If no e-mail address is defined, it launches 'Add e-mail address to contact'
224  * dialog to obtain one. If multiple e-mail addresses are found, it launches
225  * 'Select e-mail address' dialog to allow user to select one or more e-mail
226  * addresses for that contact.
227  *
228  * @param  Contact of type #EContact
229  * @return List of resolved recipient strings, to be freed by calling function.
230  */
231 static GSList *get_recipients_for_given_contact(EContact * contact)
232 {
233         gchar *givenname = NULL;
234         gchar *familyname = NULL;
235         gchar *nickname = NULL;
236         gchar *emailid = NULL;
237         const gchar *display_name = NULL;
238         GList *list = NULL;
239         gchar *formatted_string = NULL;
240         gboolean email_not_present = FALSE;
241         GSList *formattedlist = NULL, *selected_email_addr_list = NULL, *node = NULL;
242
243         if (!contact) {
244                 return NULL;
245         }
246
247         givenname = (gchar *) e_contact_get_const(contact, E_CONTACT_GIVEN_NAME);
248         familyname = (gchar *) e_contact_get_const(contact, E_CONTACT_FAMILY_NAME);
249         nickname = (gchar *) e_contact_get_const(contact, E_CONTACT_NICKNAME);
250         if (!nickname)
251                 nickname = "";
252         list = (GList *) e_contact_get(contact, E_CONTACT_EMAIL);
253
254         if (!list) {
255                 email_not_present = TRUE;
256         }
257
258         if (list && g_list_length(list) == 1) {
259                 if (list->data == NULL || g_utf8_strlen(list->data, -1) == 0) {
260                         email_not_present = TRUE;
261                 } else {
262                         emailid = g_strstrip(g_strdup(list->data));
263                         if (g_utf8_strlen(emailid, -1) == 0) {
264                                 g_free(emailid);
265                                 email_not_present = TRUE;
266                         }
267                 }
268         }
269
270         /*Launch the 'Add e-mail addr to contact' dialog if required */
271         if (email_not_present) {
272                 display_name = osso_abook_contact_get_display_name(contact);
273                 emailid = get_email_addr_from_user(display_name);
274
275                 if (emailid) {
276                         e_contact_set(contact, E_CONTACT_EMAIL_1, emailid);
277                         commit_contact(contact);
278                 }
279         }
280
281         if (emailid) {
282                 if (givenname || familyname)
283                         formatted_string =
284                             ui_get_formatted_email_id(givenname, familyname, emailid);
285                 else
286                         formatted_string = g_strdup(emailid);
287                 formattedlist = g_slist_append(formattedlist, formatted_string);
288                 g_free(emailid);
289         }
290
291         /*Launch the 'Select e-mail address' dialog if required */
292         if (g_list_length(list) > 1) {
293                 selected_email_addr_list = select_email_addrs_for_contact(list);
294                 for (node = selected_email_addr_list; node != NULL; node = node->next) {
295                         if (givenname || familyname)
296                                 formatted_string =
297                                     ui_get_formatted_email_id(givenname, familyname, node->data);
298                         else
299                                 formatted_string = g_strdup(node->data);
300                         formattedlist = g_slist_append(formattedlist, formatted_string);
301                 }
302                 if (selected_email_addr_list) {
303                         g_slist_foreach(selected_email_addr_list, (GFunc) g_free, NULL);
304                         g_slist_free(selected_email_addr_list);
305                 }
306         }
307
308         if (list) {
309                 g_list_foreach(list, (GFunc) g_free, NULL);
310                 g_list_free(list);
311         }
312
313         return formattedlist;
314 }
315
316 /**
317  * This is a helper function to commit a EContact to Address_Book application.
318  *
319  * @param  contact  Contact of type #EContact
320  * @return void
321  */
322 static void 
323 commit_contact(EContact * contact)
324 {
325         if (!contact || !book)
326                 return;
327
328 #ifdef MODEST_HILDON_VERSION_0  
329         osso_abook_contact_commit(contact, FALSE, book);
330 #else
331         osso_abook_contact_commit(contact, FALSE, book, NULL);
332 #endif /* MODEST_HILDON_VERSION_0 */
333 }
334
335 /**
336  * This is a helper function used to launch 'Add e-mail address to contact' dialog
337  * after showing appropriate notification, when there is no e-mail address defined
338  * for a selected contact.
339  *
340  * @param  given_name  Given name of the contact
341  * @param  family_name  Family name of the contact
342  * @return E-mail address string entered by user, to be freed by calling function.
343  */
344 static gchar *
345 get_email_addr_from_user(const gchar * given_name)
346 {
347         gchar *notification = NULL;
348         gchar *email_addr = NULL;
349         GtkWidget *note;
350         gboolean note_response;
351
352
353         notification = g_strdup_printf(_("mcen_nc_email_address_not_defined"), given_name);
354
355         note = hildon_note_new_confirmation (NULL, notification);
356         note_response = gtk_dialog_run (GTK_DIALOG(note));
357         gtk_widget_destroy (note);
358         g_free(notification);
359
360         if (note_response == GTK_RESPONSE_OK) {
361                 email_addr = run_add_email_addr_to_contact_dlg(given_name);
362         }
363
364         return email_addr;
365 }
366
367 /**
368 This function is used to get the formated email id with given name and sur name
369 in the format "GIVENNAME SURNAME <EMAIL ADDRESS>".
370 @param current_given_name    to hold the given name
371 @param current_sur_name      to hold the sur name
372 @param current_email_id      to hold the email id. 
373 @return gchar* string to be freed by calling function
374 */
375 static gchar *
376 ui_get_formatted_email_id(gchar * current_given_name,
377                           gchar * current_sur_name, gchar * current_email_id)
378 {
379         GString *email_id_str = NULL;
380
381         email_id_str = g_string_new(NULL);
382
383         if ((current_given_name != NULL) && ((strlen(current_given_name) != 0))
384             && (current_sur_name != NULL) && ((strlen(current_sur_name) != 0))) {
385                 g_string_append_printf(email_id_str, "%s %s", current_given_name, current_sur_name);
386         } else if ((current_given_name != NULL) && (strlen(current_given_name) != 0)) {
387                 g_string_append_printf(email_id_str, "%s", current_given_name);
388         } else if ((current_sur_name != NULL) && (strlen(current_sur_name) != 0)) {
389                 g_string_append_printf(email_id_str, "%s", current_sur_name);
390         }
391         if (g_utf8_strchr (email_id_str->str, -1, ' ')) {
392                 g_string_prepend_c (email_id_str, '\"');
393                 g_string_append_c (email_id_str, '\"');
394         }
395         g_string_append_printf (email_id_str, " %c%s%c", '<', current_email_id, '>');
396         return g_string_free (email_id_str, FALSE);
397 }
398
399 /**
400  * This is a helper function used to create & run 'Add e-mail address to contact' dialog.
401  * It allows user to enter an e-mail address, and shows appropriate infonote if the
402  * entered string is not a valid e-mail address.
403  *
404  * @param  contact_name  Full name of the contact
405  * @return E-mail address string entered by user, to be freed by calling function.
406  */
407 static gchar *
408 run_add_email_addr_to_contact_dlg(const gchar * contact_name)
409 {
410         GtkWidget *add_email_addr_to_contact_dlg = NULL;
411         GtkSizeGroup *size_group = NULL;
412         GtkWidget *cptn_cntrl = NULL;
413         GtkWidget *name_label = NULL;
414         GtkWidget *email_entry = NULL;
415         gint result = -1;
416         gchar *new_email_addr = NULL;
417         gboolean run_dialog = TRUE;
418
419         add_email_addr_to_contact_dlg =
420             gtk_dialog_new_with_buttons(_("mcen_ti_add_email_title"), NULL,
421                                         GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
422                                         _("mcen_bd_dialog_ok"), GTK_RESPONSE_ACCEPT,
423                                         _("mcen_bd_dialog_cancel"), GTK_RESPONSE_REJECT, NULL);
424         gtk_dialog_set_has_separator(GTK_DIALOG(add_email_addr_to_contact_dlg), FALSE);
425         /*Set app_name & state_save related tags to the window */
426
427         size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
428         name_label = gtk_label_new(contact_name);
429         gtk_misc_set_alignment(GTK_MISC(name_label), 0, 0);
430         cptn_cntrl =
431             hildon_caption_new(size_group, _("mcen_ia_add_email_name"), name_label, NULL,
432                                HILDON_CAPTION_OPTIONAL);
433         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(add_email_addr_to_contact_dlg)->vbox), cptn_cntrl,
434                            FALSE, FALSE, 0);
435
436         email_entry = gtk_entry_new();
437         cptn_cntrl =
438             hildon_caption_new(size_group, _("mcen_fi_add_email_name"), email_entry, NULL,
439                                HILDON_CAPTION_OPTIONAL);
440         hildon_gtk_entry_set_input_mode(GTK_ENTRY(email_entry), HILDON_GTK_INPUT_MODE_FULL);
441         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(add_email_addr_to_contact_dlg)->vbox), cptn_cntrl,
442                            TRUE, TRUE, 0);
443
444         gtk_widget_show_all(add_email_addr_to_contact_dlg);
445
446         while (run_dialog) {
447                 run_dialog = FALSE;
448                 gtk_widget_grab_focus(email_entry);
449                 result = gtk_dialog_run(GTK_DIALOG(add_email_addr_to_contact_dlg));
450
451                 if (result == GTK_RESPONSE_ACCEPT) {
452                         new_email_addr = g_strdup(gtk_entry_get_text(GTK_ENTRY(email_entry)));
453                         new_email_addr = g_strstrip(new_email_addr);
454                         if (!modest_text_utils_validate_email_address (new_email_addr)) {
455                                 gtk_widget_grab_focus(email_entry);
456                                 gtk_editable_select_region((GtkEditable *) email_entry, 0, -1);
457                                 hildon_banner_show_information (add_email_addr_to_contact_dlg, NULL, _("mcen_ib_invalid_email"));
458                                 run_dialog = TRUE;
459                                 g_free(new_email_addr);
460                                 new_email_addr = NULL;
461                         }
462                 }
463         }
464
465         gtk_widget_destroy(add_email_addr_to_contact_dlg);
466
467         return new_email_addr;
468 }
469
470 /**
471  * This is helper function to create & run 'Select e-mail address' dialog, used when
472  * multiple e-mail addresses are found for a selected contact. It allows user to select
473  * one or more e-mail addresses for that contact.
474  *
475  * @param  email_addr_list  List of e-mail addresses for that contact
476  * @return List of user selected e-mail addresses, to be freed by calling function.
477  */
478 static GSList *
479 select_email_addrs_for_contact(GList * email_addr_list)
480 {
481         GtkWidget *select_email_addr_dlg = NULL;
482         GtkWidget *view = NULL, *scrolledwindow = NULL;
483         GtkTreeSelection *selection = NULL;
484         GtkCellRenderer *renderer = NULL;
485         GtkTreeViewColumn *col = NULL;
486         GtkListStore *list_store = NULL;
487         GtkTreeModel *model = NULL;
488         GtkTreeIter iter;
489         GList *pathslist = NULL, *node = NULL;
490         gint result = -1;
491         gchar *email_addr = NULL;
492         GSList *selected_email_addr_list = NULL;
493
494         if (!email_addr_list)
495                 return NULL;
496
497         select_email_addr_dlg =
498             gtk_dialog_new_with_buttons(_("mcen_ti_select_email_title"),
499                                         NULL,
500                                         GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
501                                         _("mcen_bd_dialog_ok"), GTK_RESPONSE_ACCEPT,
502                                         _("mcen_bd_dialog_cancel"), GTK_RESPONSE_REJECT, NULL);
503         gtk_dialog_set_has_separator(GTK_DIALOG(select_email_addr_dlg), FALSE);
504
505         scrolledwindow = gtk_scrolled_window_new(NULL, NULL);
506         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(select_email_addr_dlg)->vbox), scrolledwindow, TRUE,
507                            TRUE, 0);
508         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwindow), GTK_POLICY_AUTOMATIC,
509                                        GTK_POLICY_AUTOMATIC);
510
511         view = gtk_tree_view_new();
512         col = gtk_tree_view_column_new();
513         renderer = gtk_cell_renderer_text_new();
514         gtk_tree_view_append_column(GTK_TREE_VIEW(view), col);
515         gtk_tree_view_column_pack_start(col, renderer, TRUE);
516         gtk_tree_view_column_add_attribute(col, renderer, "text", 0);
517         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
518         gtk_tree_selection_set_mode(selection, GTK_SELECTION_MULTIPLE);
519         gtk_container_add(GTK_CONTAINER(scrolledwindow), view);
520
521         list_store = gtk_list_store_new(1, G_TYPE_STRING);
522         model = GTK_TREE_MODEL(list_store);
523         gtk_tree_view_set_model(GTK_TREE_VIEW(view), model);
524
525         for (node = email_addr_list; node != NULL && node->data != NULL; node = node->next) {
526                 email_addr = g_strstrip(g_strdup(node->data));
527                 gtk_list_store_append(list_store, &iter);
528                 gtk_list_store_set(list_store, &iter, 0, email_addr, -1);
529                 g_free(email_addr);
530         }
531         gtk_tree_model_get_iter_first (GTK_TREE_MODEL (list_store), &iter);
532         gtk_tree_selection_select_iter (selection, &iter);
533
534         gtk_widget_show_all(select_email_addr_dlg);
535         result = gtk_dialog_run(GTK_DIALOG(select_email_addr_dlg));
536
537         if (result == GTK_RESPONSE_ACCEPT) {
538                 pathslist = gtk_tree_selection_get_selected_rows(selection, NULL);
539                 for (node = pathslist; node != NULL; node = node->next) {
540                         if (gtk_tree_model_get_iter(model, &iter, (GtkTreePath *) node->data)) {
541                                 gtk_tree_model_get(model, &iter, 0, &email_addr, -1);
542                                 selected_email_addr_list =
543                                     g_slist_append(selected_email_addr_list, g_strdup(email_addr));
544                                 g_free(email_addr);
545                         }
546                 }
547         }
548
549         gtk_list_store_clear(list_store);
550         gtk_widget_destroy(select_email_addr_dlg);
551         return selected_email_addr_list;
552 }
553
554 gboolean
555 modest_address_book_check_names (ModestRecptEditor *recpt_editor)
556 {
557         const gchar *recipients = NULL;
558         GSList *start_indexes = NULL, *end_indexes = NULL;
559         GSList *current_start, *current_end;
560         gboolean result = TRUE;
561         GtkTextBuffer *buffer;
562         gint offset_delta = 0;
563         gint last_length;
564         GtkTextIter start_iter, end_iter;
565         GtkWidget *banner;
566
567         g_return_val_if_fail (MODEST_IS_RECPT_EDITOR (recpt_editor), FALSE);
568
569         banner = hildon_banner_show_animation (NULL, NULL, _("mail_ib_checking_names"));
570         g_object_ref (G_OBJECT (banner));
571
572         recipients = modest_recpt_editor_get_recipients (recpt_editor);
573         last_length = g_utf8_strlen (recipients, -1);
574         modest_text_utils_get_addresses_indexes (recipients, &start_indexes, &end_indexes);
575
576         if (start_indexes == NULL) {
577                 gtk_widget_destroy (banner);
578                 g_object_unref (G_OBJECT(banner));
579                 return TRUE;
580         }
581
582         current_start = start_indexes;
583         current_end = end_indexes;
584         buffer = modest_recpt_editor_get_buffer (recpt_editor);
585
586         while (current_start != NULL) {
587                 gchar *address;
588                 gchar *start_ptr, *end_ptr;
589                 gint start_pos, end_pos;
590
591                 start_pos = (*((gint*) current_start->data)) + offset_delta;
592                 end_pos = (*((gint*) current_end->data)) + offset_delta;
593                
594                 start_ptr = g_utf8_offset_to_pointer (recipients, start_pos);
595                 end_ptr = g_utf8_offset_to_pointer (recipients, end_pos);
596
597                 address = g_strndup (start_ptr, end_ptr - start_ptr);
598                 gtk_text_buffer_get_iter_at_offset (buffer, &start_iter, start_pos);
599                 gtk_text_buffer_get_iter_at_offset (buffer, &end_iter, end_pos);
600                 gtk_text_buffer_select_range (buffer, &start_iter, &end_iter);
601
602                 if (!modest_text_utils_validate_recipient (address)) {
603                         if (strstr (address, "@") == NULL) {
604                                 /* here goes searching in addressbook */
605                                 gchar *contact_id = NULL;
606                                 GSList *resolved_addresses = NULL;
607                                 result = resolve_address (address, &resolved_addresses, &contact_id);
608
609                                 if (result) {
610                                         gint new_length;
611                                         /* replace string */
612                                         modest_recpt_editor_replace_with_resolved_recipient (recpt_editor,
613                                                                                              &start_iter, &end_iter,
614                                                                                              resolved_addresses, 
615                                                                                              contact_id);
616                                         g_free (contact_id);
617                                         g_slist_foreach (resolved_addresses, (GFunc) g_free, NULL);
618                                         g_slist_free (resolved_addresses);
619
620                                         /* update offset delta */
621                                         recipients = modest_recpt_editor_get_recipients (recpt_editor);
622                                         new_length = g_utf8_strlen (recipients, -1);
623                                         offset_delta = offset_delta + new_length - last_length;
624                                         last_length = new_length;
625                                 }
626                         } else {
627                                 /* this address is not valid, select it and return control to user showing banner */
628
629                                 hildon_banner_show_information (NULL, NULL, _("mcen_ib_invalid_email"));
630                                 result = FALSE;
631                         }
632                 }
633                 g_free (address);
634                 if (result == FALSE)
635                         break;
636
637                 current_start = g_slist_next (current_start);
638                 current_end = g_slist_next (current_end);
639         }
640
641         if (current_start == NULL) {
642                 gtk_text_buffer_get_end_iter (buffer, &end_iter);
643                 gtk_text_buffer_place_cursor (buffer, &end_iter);
644         }
645
646         gtk_widget_destroy (banner);
647         g_object_unref (G_OBJECT (banner));
648         modest_recpt_editor_grab_focus (recpt_editor);
649
650         g_slist_foreach (start_indexes, (GFunc) g_free, NULL);
651         g_slist_foreach (end_indexes, (GFunc) g_free, NULL);
652         g_slist_free (start_indexes);
653         g_slist_free (end_indexes);
654
655         return result;
656
657 }
658
659 static GList *
660 get_contacts_for_name (const gchar *name)
661 {
662         EBookQuery *full_name_book_query = NULL;
663         GList *result;
664         gchar *unquoted;
665
666         if (name == NULL)
667                 return NULL;
668
669         unquoted = unquote_string (name);
670         full_name_book_query = e_book_query_field_test (E_CONTACT_FULL_NAME, E_BOOK_QUERY_CONTAINS, unquoted);
671         g_free (unquoted);
672
673         e_book_get_contacts (book, full_name_book_query, &result, NULL);
674         e_book_query_unref (full_name_book_query);
675
676         return result;
677 }
678
679 static GList *
680 select_contacts_for_name_dialog (const gchar *name)
681 {
682         EBookQuery *full_name_book_query = NULL;
683         EBookView *book_view = NULL;
684         GList *result = NULL;
685         gchar *unquoted;
686
687         unquoted = unquote_string (name);
688         full_name_book_query = e_book_query_field_test (E_CONTACT_FULL_NAME, E_BOOK_QUERY_CONTAINS, unquoted);
689         g_free (unquoted);
690         e_book_get_book_view (book, full_name_book_query, NULL, -1, &book_view, NULL);
691         e_book_query_unref (full_name_book_query);
692
693         if (book_view) {
694                 GtkWidget *contact_view = NULL;
695                 GtkWidget *contact_dialog = NULL;
696                 osso_abook_tree_model_set_book_view (OSSO_ABOOK_TREE_MODEL (contact_model), book_view);
697                 e_book_view_start (book_view);
698                 
699                 contact_view = osso_abook_contact_view_new_basic (contact_model);
700                 contact_dialog = osso_abook_select_dialog_new (OSSO_ABOOK_TREE_VIEW (contact_view));
701
702                 if (gtk_dialog_run (GTK_DIALOG (contact_dialog)) == GTK_RESPONSE_OK) {
703                         result = osso_abook_contact_view_get_selection (OSSO_ABOOK_CONTACT_VIEW (contact_view));
704                 }
705                 e_book_view_stop (book_view);
706                 g_object_unref (book_view);
707                 gtk_widget_destroy (contact_dialog);
708         }
709
710         return result;
711 }
712
713 static gboolean
714 resolve_address (const gchar *address, GSList **resolved_addresses, gchar **contact_id)
715 {
716         GList *resolved_contacts;
717
718         contact_model = osso_abook_contact_model_new ();
719         if (!open_addressbook_sync ()) {
720                 if (contact_model) {
721                         g_object_unref (contact_model);
722                         contact_model = NULL;
723                 }
724                 return FALSE;
725         }
726
727         resolved_contacts = get_contacts_for_name (address);
728
729         if (resolved_contacts == NULL) {
730                 /* no matching contacts for the search string */
731                 hildon_banner_show_information (NULL, NULL, _("mcen_nc_no_matching_contacts"));
732                 return FALSE;
733         }
734
735         if (g_list_length (resolved_contacts) > 1) {
736                 /* show a dialog to select the contact from the resolved ones */
737                 g_list_free (resolved_contacts);
738
739                 resolved_contacts = select_contacts_for_name_dialog (address);
740         }
741         
742         /* get the resolved contacts (can be no contact) */
743         if (resolved_contacts) {
744                 EContact *contact = (EContact *) resolved_contacts->data;
745
746                 *resolved_addresses = get_recipients_for_given_contact (contact);
747                 if (*resolved_addresses) {
748                         *contact_id = g_strdup (e_contact_get_const (contact, E_CONTACT_UID));
749                 }
750                 /* TODO: free the resolved_contacts list */
751                 return TRUE;
752         } else {
753                 /* cancelled dialog to select more than one contact or
754                  * selected no contact */
755                 return FALSE;
756         }
757
758 }
759
760 static gchar *
761 unquote_string (const gchar *str)
762 {
763         GString *buffer;
764         gchar *p;
765
766         if (str == NULL)
767                 return NULL;
768
769         buffer = g_string_new_len (NULL, strlen (str));
770         for (p = (gchar *) str; *p != '\0'; p = g_utf8_next_char (p)) {
771                 if (*p == '"') {
772                         p = g_utf8_next_char (p);
773                         while ((*p != '\0')&&(*p != '"')) {
774                                 if (*p == '\\') {
775                                         g_string_append_unichar (buffer, g_utf8_get_char (p));
776                                         p = g_utf8_next_char (p);
777                                         
778                                 }
779                                 g_string_append_unichar (buffer, g_utf8_get_char (p));
780                                 p = g_utf8_next_char (p);
781                         }
782                 } else {
783                         g_string_append_unichar (buffer, g_utf8_get_char (p));
784                 }
785         }
786
787         return g_string_free (buffer, FALSE);
788
789 }