4b6a4efd67a2461858a9a9ff8daf05cda7a5006d
[modest] / src / dbus_api / modest-dbus-callbacks.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 "modest-dbus-callbacks.h"
31 #include "modest-runtime.h"
32 #include "modest-account-mgr.h"
33 #include "modest-account-mgr-helpers.h"
34 #include "modest-tny-account.h"
35 #include "modest-tny-folder.h"
36 #include "modest-ui-actions.h"
37 #include "modest-utils.h"
38 #include "modest-debug.h"
39 #include "modest-search.h"
40 #include "widgets/modest-msg-edit-window.h"
41 #include "modest-tny-msg.h"
42 #include "modest-platform.h"
43 #include "modest-defs.h"
44 #include <libmodest-dbus-client/libmodest-dbus-client.h>
45 #include <libgnomevfs/gnome-vfs-utils.h>
46 #include <stdio.h>
47 #include <string.h>
48 #include <glib/gstdio.h>
49 #ifdef MODEST_HAVE_HILDON0_WIDGETS
50 #include <hildon-widgets/hildon-program.h>
51 #include <libgnomevfs/gnome-vfs-mime-utils.h>
52 #else
53 #include <hildon/hildon-program.h>
54 #include <libgnomevfs/gnome-vfs-mime.h>
55 #endif
56 #include <tny-fs-stream.h>
57
58 #ifdef MODEST_TOOLKIT_HILDON2
59 #include <hildon/hildon.h>
60 #include <modest-accounts-window.h>
61 #include <modest-folder-window.h>
62 #include <modest-mailboxes-window.h>
63 #endif
64
65 #include <tny-list.h>
66 #include <tny-iterator.h>
67 #include <tny-simple-list.h>
68 #include <tny-merge-folder.h>
69 #include <tny-account.h>
70
71 #include <modest-text-utils.h>
72
73 typedef struct 
74 {
75         gchar *to;
76         gchar *cc;
77         gchar *bcc;
78         gchar *subject;
79         gchar *body;
80         gchar *attachments;
81 } ComposeMailIdleData;
82
83
84 static gboolean notify_error_in_dbus_callback (gpointer user_data);
85 static gboolean on_idle_compose_mail(gpointer user_data);
86 static gboolean on_idle_top_application (gpointer user_data);
87
88 /** uri_unescape:
89  * @uri An escaped URI. URIs should always be escaped.
90  * @len The length of the @uri string, or -1 if the string is null terminated.
91  * 
92  * Decode a URI, or URI fragment, as per RFC 1738.
93  * http://www.ietf.org/rfc/rfc1738.txt
94  * 
95  * Return value: An unescaped string. This should be freed with g_free().
96  */
97 static gchar* 
98 uri_unescape(const gchar* uri, size_t len)
99 {
100         if (!uri)
101                 return NULL;
102                 
103         if (len == -1)
104                 len = strlen (uri);
105         
106         /* Allocate an extra string so we can be sure that it is null-terminated,
107          * so we can use gnome_vfs_unescape_string().
108          * This is not efficient. */
109         gchar * escaped_nullterminated = g_strndup (uri, len);
110         gchar *result = gnome_vfs_unescape_string (escaped_nullterminated, NULL);
111         g_free (escaped_nullterminated);
112         
113         return result;
114 }
115
116 /** uri_parse_mailto:
117  * @mailto A mailto URI, with the mailto: prefix.
118  * @list_items_and_values: A pointer to a list that should be filled with item namesand value strings, 
119  * with each name item being followed by a value item. This list should be freed with g_slist_free) after 
120  * all the string items have been freed. This parameter may be NULL.
121  * Parse a mailto URI as per RFC2368.
122  * http://www.ietf.org/rfc/rfc2368.txt
123  * 
124  * Return value: The to address, unescaped. This should be freed with g_free().
125  */
126 static gchar* 
127 uri_parse_mailto (const gchar* mailto, GSList** list_items_and_values)
128 {
129         /* The URL must begin with mailto: */
130         if (strncmp (mailto, "mailto:", 7) != 0) {
131                 return NULL;
132         }
133         const gchar* start_to = mailto + 7;
134
135         /* Look for ?, or the end of the string, marking the end of the to address: */
136         const size_t len_to = strcspn (start_to, "?");
137         gchar* result_to = uri_unescape (start_to, len_to);
138         printf("debug: result_to=%s\n", result_to);
139
140         if (list_items_and_values == NULL) {
141                 return result_to;
142         }
143
144         /* Get any other items: */
145         const size_t len_mailto = strlen (start_to);
146         const gchar* p = start_to + len_to + 1; /* parsed so far. */
147         const gchar* end = start_to + len_mailto;
148         while (p < end) {
149                 const gchar *name, *value, *name_start, *name_end, *value_start, *value_end;
150                 name_start = p;
151                 name_end = strchr (name_start, '='); /* Separator between name and value */
152                 if (name_end == NULL) {
153                         g_debug ("Malformed URI: %s\n", mailto);
154                         return result_to;
155                 }
156                 value_start = name_end + 1;
157                 value_end = strchr (value_start, '&'); /* Separator between value and next parameter */
158
159                 name = g_strndup(name_start, name_end - name_start);
160                 if (value_end != NULL) {
161                         value = uri_unescape(value_start, value_end - value_start);
162                         p = value_end + 1;
163                 } else {
164                         value = uri_unescape(value_start, -1);
165                         p = end;
166                 }
167                 *list_items_and_values = g_slist_append (*list_items_and_values, (gpointer) name);
168                 *list_items_and_values = g_slist_append (*list_items_and_values, (gpointer) value);
169         }
170         
171         return result_to;
172 }
173
174 static gboolean
175 check_and_offer_account_creation()
176 {
177         gboolean result = TRUE;
178         
179         /* This is called from idle handlers, so lock gdk: */
180         gdk_threads_enter ();
181         
182         if (!modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(), TRUE)) {
183                 const gboolean created = modest_ui_actions_run_account_setup_wizard (NULL);
184                 if (!created) {
185                         g_debug ("modest: %s: no account exists even after offering, "
186                                  "or account setup was already underway.\n", __FUNCTION__);
187                         result = FALSE;
188                 }
189         }
190         
191         gdk_threads_leave ();
192         
193         return result;
194 }
195
196 static gboolean
197 on_idle_mail_to(gpointer user_data)
198 {
199         gchar *uri = (gchar*)user_data;
200         GSList *list_names_and_values = NULL;
201         gchar *to = NULL;
202         const gchar *cc = NULL;
203         const gchar *bcc = NULL;
204         const gchar *subject = NULL;
205         const gchar *body = NULL;
206
207         if (!check_and_offer_account_creation ()) {
208                 g_idle_add (notify_error_in_dbus_callback, NULL);
209                 goto cleanup;
210         }
211
212         /* Get the relevant items from the list: */
213         to = uri_parse_mailto (uri, &list_names_and_values);
214         GSList *list = list_names_and_values;
215         while (list) {
216                 GSList *list_value = g_slist_next (list);
217                 const gchar * name = (const gchar*)list->data;
218                 const gchar * value = (const gchar*)list_value->data;
219
220                 if (strcmp (name, "cc") == 0) {
221                         cc = value;
222                 } else if (strcmp (name, "bcc") == 0) {
223                         bcc = value;
224                 } else if (strcmp (name, "subject") == 0) {
225                         subject = value;
226                 } else if (strcmp (name, "body") == 0) {
227                         body = value;
228                 }
229
230                 list = g_slist_next (list_value);
231         }
232
233         gdk_threads_enter (); /* CHECKED */
234         modest_ui_actions_compose_msg(NULL, to, cc, bcc, subject, body, NULL, FALSE);
235         gdk_threads_leave (); /* CHECKED */
236
237 cleanup:
238         /* Free the to: and the list, as required by uri_parse_mailto() */
239         g_free(to);
240         g_slist_foreach (list_names_and_values, (GFunc)g_free, NULL);
241         g_slist_free (list_names_and_values);
242
243         g_free(uri);
244
245         return FALSE; /* Do not call this callback again. */
246 }
247
248 static gint 
249 on_mail_to(GArray * arguments, gpointer data, osso_rpc_t * retval)
250 {
251         osso_rpc_t val;
252         gchar *uri;
253
254         /* Get arguments */
255         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_MAIL_TO_ARG_URI);
256         uri = g_strdup (val.value.s);
257         
258         g_idle_add(on_idle_mail_to, (gpointer)uri);
259         
260         /* Note that we cannot report failures during sending, 
261          * because that would be asynchronous. */
262         return OSSO_OK;
263 }
264
265
266 static gboolean
267 on_idle_compose_mail(gpointer user_data)
268 {
269         GSList *attachments = NULL;
270         ComposeMailIdleData *idle_data = (ComposeMailIdleData*)user_data;
271
272         if (!check_and_offer_account_creation ()) {
273                 g_idle_add (notify_error_in_dbus_callback, NULL);
274                 goto cleanup;
275         }
276
277         /* it seems Sketch at least sends a leading ',' -- take that into account,
278          * ie strip that ,*/
279         if (idle_data->attachments && idle_data->attachments[0]==',') {
280                 gchar *tmp = g_strdup (idle_data->attachments + 1);
281                 g_free(idle_data->attachments);
282                 idle_data->attachments = tmp;
283         }
284
285         if (idle_data->attachments != NULL) {
286                 gchar **list = g_strsplit(idle_data->attachments, ",", 0);
287                 gint i = 0;
288                 for (i=0; list[i] != NULL; i++) {
289                         attachments = g_slist_append(attachments, g_uri_unescape_string (list[i], NULL));
290                 }
291                 g_strfreev(list);
292         }
293
294         /* If the message has nothing then mark the buffers as not
295            modified. This happens in Maemo for example when opening a
296            new message from Contacts plugin, it sends "" instead of
297            NULLs */
298         gdk_threads_enter (); /* CHECKED */
299         if (!strncmp (idle_data->to, "", 1) &&
300             !strncmp (idle_data->to, "", 1) &&
301             !strncmp (idle_data->cc, "", 1) &&
302             !strncmp (idle_data->bcc, "", 1) &&
303             !strncmp (idle_data->subject, "", 1) &&
304             !strncmp (idle_data->body, "", 1) &&
305             attachments == NULL) {
306                 modest_ui_actions_compose_msg(NULL, NULL, NULL, NULL, NULL, NULL, NULL, FALSE);
307         } else {
308                 modest_ui_actions_compose_msg(NULL, idle_data->to, idle_data->cc,
309                                               idle_data->bcc, idle_data->subject,
310                                               idle_data->body, attachments, TRUE);
311         }
312         gdk_threads_leave (); /* CHECKED */
313 cleanup:
314         g_slist_foreach(attachments, (GFunc)g_free, NULL);
315         g_slist_free(attachments);
316         g_free (idle_data->to);
317         g_free (idle_data->cc);
318         g_free (idle_data->bcc);
319         g_free (idle_data->subject);
320         g_free (idle_data->body);
321         g_free (idle_data->attachments);
322         g_free(idle_data);
323
324         return FALSE; /* Do not call this callback again. */
325 }
326
327 static gint 
328 on_compose_mail(GArray * arguments, gpointer data, osso_rpc_t * retval)
329 {
330         ComposeMailIdleData *idle_data;
331         osso_rpc_t val;
332         
333         idle_data = g_new0(ComposeMailIdleData, 1); /* Freed in the idle callback. */
334         
335         /* Get the arguments: */
336         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_TO);
337         idle_data->to = g_strdup (val.value.s);
338         
339         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_CC);
340         idle_data->cc = g_strdup (val.value.s);
341         
342         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_BCC);
343         idle_data->bcc = g_strdup (val.value.s);
344         
345         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_SUBJECT);
346         idle_data->subject = g_strdup (val.value.s);
347         
348         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_BODY);
349         idle_data->body = g_strdup (val.value.s);
350         
351         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_ATTACHMENTS);
352         idle_data->attachments = g_strdup (val.value.s);
353
354         /* Use g_idle to context-switch into the application's thread: */
355         g_idle_add(on_idle_compose_mail, (gpointer)idle_data);
356         
357         return OSSO_OK;
358 }
359
360 static TnyMsg *
361 find_message_by_url (const char *uri,  TnyAccount **ac_out)
362 {
363         ModestTnyAccountStore *astore;
364         TnyAccount *account = NULL;
365         TnyFolder *folder = NULL;
366         TnyMsg *msg = NULL;
367
368         astore = modest_runtime_get_account_store ();
369         
370         if (astore == NULL)
371                 return NULL;
372
373         if (uri && g_str_has_prefix (uri, "merge://")) {
374                 /* we assume we're talking about outbox folder, as this 
375                  * is the only merge folder we work with in modest */
376                 return modest_tny_account_store_find_msg_in_outboxes (astore, uri, ac_out);
377         }
378         account = tny_account_store_find_account (TNY_ACCOUNT_STORE (astore),
379                                                   uri);
380         
381         if (account == NULL || !TNY_IS_STORE_ACCOUNT (account))
382                 goto out;
383         *ac_out = account;
384
385         folder = tny_store_account_find_folder (TNY_STORE_ACCOUNT (account), uri, NULL);
386
387         if (folder == NULL)
388                 goto out;
389         
390         msg = tny_folder_find_msg (folder, uri, NULL);
391         
392 out:
393         if (account && !msg) {
394                 g_object_unref (account);
395                 *ac_out = NULL;
396         }
397         if (folder)
398                 g_object_unref (folder);
399
400         return msg;
401 }
402
403 typedef struct {
404         TnyAccount *account;
405         gchar *uri;
406         gboolean connect;
407         guint animation_timeout;
408         GtkWidget *animation;
409 } OpenMsgPerformerInfo;
410
411 #ifndef MODEST_TOOLKIT_HILDON2
412 static gboolean
413 on_show_opening_animation (gpointer userdata)
414 {
415         OpenMsgPerformerInfo *info = (OpenMsgPerformerInfo *) userdata;
416         info->animation = modest_platform_animation_banner (NULL, NULL, _("mail_me_opening"));
417         info->animation_timeout = 0;
418
419         return FALSE;
420 }
421 #endif
422
423 static gboolean
424 on_find_msg_async_destroy (gpointer userdata)
425 {
426         OpenMsgPerformerInfo *info = (OpenMsgPerformerInfo *) userdata;
427
428         if (info->animation_timeout>0) {
429                 g_source_remove (info->animation_timeout);
430                 info->animation_timeout = 0;
431         }
432
433         if (info->animation) {
434                 gtk_widget_destroy (info->animation);
435                 info->animation = NULL;
436         }
437
438         if (info->uri)
439                 g_free (info->uri);
440         
441         if (info->account)
442                 g_object_unref (info->account);
443
444         g_slice_free (OpenMsgPerformerInfo, info);
445         return FALSE;
446 }
447
448 static void     
449 find_msg_async_cb (TnyFolder *folder, 
450                    gboolean cancelled, 
451                    TnyMsg *msg, 
452                    GError *err, 
453                    gpointer user_data)
454 {
455         TnyHeader *header = NULL;
456         gchar *msg_uid = NULL;
457         ModestWindowMgr *win_mgr;
458         ModestWindow *msg_view = NULL;
459         gboolean is_draft = FALSE;
460         OpenMsgPerformerInfo *info = (OpenMsgPerformerInfo *) user_data;
461
462         if (err || cancelled) {
463                 modest_platform_run_information_dialog (NULL, _("mail_ni_ui_folder_get_msg_folder_error"), TRUE);
464                 g_idle_add (notify_error_in_dbus_callback, NULL);
465                 goto end;
466         }
467
468         header = tny_msg_get_header (msg);
469         if (!header || (tny_header_get_flags (header) & TNY_HEADER_FLAG_DELETED)) {
470                 modest_platform_run_information_dialog (NULL, _("mail_ni_ui_folder_get_msg_folder_error"), TRUE);
471                 g_idle_add (notify_error_in_dbus_callback, NULL);
472                 goto end;
473         }
474
475         msg_uid =  modest_tny_folder_get_header_unique_id (header);
476         win_mgr = modest_runtime_get_window_mgr ();
477
478         if (modest_tny_folder_is_local_folder (folder) &&
479             (modest_tny_folder_get_local_or_mmc_folder_type (folder) == TNY_FOLDER_TYPE_DRAFTS)) {
480                 is_draft = TRUE;
481         }
482
483         if (modest_window_mgr_find_registered_header (win_mgr, header, &msg_view)) {
484                 gtk_window_present (GTK_WINDOW(msg_view));
485         } else {
486                 const gchar *modest_account_name;
487                 TnyAccount *account;
488
489                 modest_window_mgr_register_header (win_mgr, header, NULL);
490
491                 account = tny_folder_get_account (folder);
492                 if (account) {
493                         modest_account_name =
494                                 modest_tny_account_get_parent_modest_account_name_for_server_account (account);
495                 } else {
496                         modest_account_name = NULL;
497                 }
498
499                 /* Drafts will be opened in the editor, and others will be opened in the viewer */
500                 if (is_draft) {
501                         gchar *modest_account_name = NULL;
502                         gchar *mailbox = NULL;
503                         gchar *from_header;
504
505                         /* we cannot edit without a valid account... */
506                         if (!modest_account_mgr_has_accounts(modest_runtime_get_account_mgr (), TRUE)) {
507                                 if (!modest_ui_actions_run_account_setup_wizard(NULL)) {
508                                         modest_window_mgr_unregister_header (win_mgr, 
509                                                                              header);
510                                         goto end;
511                                 }
512                         }
513                
514                         from_header = tny_header_dup_from (header);
515                         modest_account_name = modest_utils_get_account_name_from_recipient (from_header, &mailbox);
516                         g_free (from_header);
517                         
518                         if (modest_account_name == NULL) {
519                                 ModestAccountMgr *mgr = modest_runtime_get_account_mgr ();
520                                 modest_account_name = modest_account_mgr_get_default_account (mgr);
521                         }
522                         msg_view = modest_msg_edit_window_new (msg, modest_account_name, mailbox, TRUE);
523                         if (mailbox)
524                                 g_free (mailbox);
525                         g_free (modest_account_name);
526                 } else {
527                         TnyHeader *header;
528                         const gchar *modest_account_name;
529
530                         if (account) {
531                                 modest_account_name = 
532                                         modest_tny_account_get_parent_modest_account_name_for_server_account (account);
533                         } else {
534                                 modest_account_name = NULL;
535                         }
536
537                         header = tny_msg_get_header (msg);
538                         msg_view = modest_msg_view_window_new_for_search_result (msg, modest_account_name, NULL, msg_uid);
539                         if (! (tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN)) {
540                                 ModestMailOperation *mail_op;
541                                 
542                                 tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
543                                 /* Sync folder, we need this to save the seen flag */
544                                 mail_op = modest_mail_operation_new (NULL);
545                                 modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
546                                                                  mail_op);
547                                 modest_mail_operation_sync_folder (mail_op, folder, FALSE);
548                                 g_object_unref (mail_op);
549                         }
550                         g_object_unref (header);
551                 }
552
553                 if (msg_view != NULL) {
554                         if (!modest_window_mgr_register_window (win_mgr, msg_view, NULL)) {
555                                 gtk_widget_destroy (GTK_WIDGET (msg_view));
556                         } else {
557                                 gtk_widget_show_all (GTK_WIDGET (msg_view));
558                         }
559                 }
560         }
561
562 end:
563         if (header)
564                 g_object_unref (header);
565         if (msg_uid)
566                 g_free (msg_uid);
567         on_find_msg_async_destroy (info);
568 }
569
570
571 static void 
572 on_open_message_performer (gboolean canceled, 
573                            GError *err,
574                            GtkWindow *parent_window, 
575                            TnyAccount *account, 
576                            gpointer user_data)
577 {
578         OpenMsgPerformerInfo *info;
579         TnyFolder *folder = NULL;
580
581         info = (OpenMsgPerformerInfo *) user_data;
582         if (canceled || err) {
583                 modest_platform_run_information_dialog (NULL, _("mail_ni_ui_folder_get_msg_folder_error"), TRUE);
584                 g_idle_add (notify_error_in_dbus_callback, NULL);
585                 on_find_msg_async_destroy (info);
586                 return;
587         }
588
589         /* Get folder */
590         if (!account) {
591                 ModestTnyAccountStore *account_store;
592                 ModestTnyLocalFoldersAccount *local_folders_account;
593  
594                 account_store = modest_runtime_get_account_store ();
595                 local_folders_account = MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (
596                         modest_tny_account_store_get_local_folders_account (account_store));
597                 folder = modest_tny_local_folders_account_get_merged_outbox (local_folders_account);
598                 g_object_unref (local_folders_account);
599         } else {
600                 folder = tny_store_account_find_folder (TNY_STORE_ACCOUNT (account), info->uri, NULL);
601         }
602         if (!folder) {
603                 modest_platform_run_information_dialog (NULL, _("mail_ni_ui_folder_get_msg_folder_error"), TRUE);
604                 g_idle_add (notify_error_in_dbus_callback, NULL);
605                 on_find_msg_async_destroy (info);
606                 return;
607         }
608 #ifndef MODEST_TOOLKIT_HILDON2
609         info->animation_timeout = g_timeout_add (1000, on_show_opening_animation, info);
610 #endif
611         /* Get message */
612         tny_folder_find_msg_async (folder, info->uri, find_msg_async_cb, NULL, info);
613         g_object_unref (folder);
614 }
615
616 static gboolean
617 on_idle_open_message_performer (gpointer user_data)
618 {
619         ModestWindow *top_win = NULL;
620         OpenMsgPerformerInfo *info = (OpenMsgPerformerInfo *) user_data;
621
622         top_win = modest_window_mgr_get_current_top (modest_runtime_get_window_mgr());
623
624         /* Lock before the call as we're in an idle handler */
625         gdk_threads_enter ();
626         if (info->connect) {
627                 modest_platform_connect_and_perform (GTK_WINDOW (top_win), TRUE, 
628                                                      info->account, 
629                                                      on_open_message_performer, info);
630         } else {
631                 on_open_message_performer (FALSE, NULL, GTK_WINDOW (top_win), 
632                                            info->account, info);
633         }
634         gdk_threads_leave ();
635
636         return FALSE;
637 }
638
639 static gint 
640 on_open_message (GArray * arguments, gpointer data, osso_rpc_t * retval)
641 {
642         osso_rpc_t val;
643         gchar *uri;
644         TnyAccount *account = NULL;
645         gint osso_retval;
646         gboolean is_merge;
647
648         /* Get the arguments: */
649         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_OPEN_MESSAGE_ARG_URI);
650         uri = g_strdup (val.value.s);
651
652         is_merge = g_str_has_prefix (uri, "merge:");
653
654         /* Get the account */
655         if (!is_merge)
656                 account = tny_account_store_find_account (TNY_ACCOUNT_STORE (modest_runtime_get_account_store ()),
657                                                           uri);
658
659         
660         if (is_merge || account) {
661                 OpenMsgPerformerInfo *info;
662                 TnyFolder *folder = NULL;
663
664                 info = g_slice_new0 (OpenMsgPerformerInfo);
665                 if (account) 
666                         info->account = g_object_ref (account);
667                 info->uri = uri;
668                 info->connect = TRUE;
669                 info->animation = NULL;
670                 info->animation_timeout = 0;
671
672                 /* Try to get the message, if it's already downloaded
673                    we don't need to connect */
674                 if (account) {
675                         folder = tny_store_account_find_folder (TNY_STORE_ACCOUNT (account), uri, NULL);
676                 } else {
677                         ModestTnyAccountStore *account_store;
678                         ModestTnyLocalFoldersAccount *local_folders_account;
679
680                         account_store = modest_runtime_get_account_store ();
681                         local_folders_account = MODEST_TNY_LOCAL_FOLDERS_ACCOUNT (
682                                 modest_tny_account_store_get_local_folders_account (account_store));
683                         folder = modest_tny_local_folders_account_get_merged_outbox (local_folders_account);
684                         g_object_unref (local_folders_account);
685                 }
686                 if (folder) {
687                         TnyDevice *device;
688                         gboolean device_online;
689
690                         device = modest_runtime_get_device();
691                         device_online = tny_device_is_online (device);
692                         if (device_online) {
693                                 info->connect = TRUE;
694                         } else {
695                                 TnyMsg *msg = tny_folder_find_msg (folder, uri, NULL);
696                                 if (msg) {
697                                         info->connect = FALSE;
698                                         g_object_unref (msg);
699                                 } else {
700                                         info->connect = TRUE;
701                                 }
702                         }
703                         g_object_unref (folder);
704                 }
705
706                 /* We need to call it into an idle to get
707                    modest_platform_connect_and_perform into the main
708                    loop */
709                 g_idle_add (on_idle_open_message_performer, info);
710                 osso_retval = OSSO_OK;
711         } else {
712                 g_free (uri);
713                 osso_retval = OSSO_ERROR; 
714                 g_idle_add (notify_error_in_dbus_callback, NULL);
715         }
716
717         if (account)
718                 g_object_unref (account);
719         return osso_retval;
720 }
721
722 static void 
723 on_remove_msgs_finished (ModestMailOperation *mail_op,
724                          gpointer user_data)
725 {       
726         TnyHeader *header;
727         ModestWindow *top_win = NULL, *msg_view = NULL;
728
729         header = (TnyHeader *) user_data;
730
731         /* Get the main window if exists */
732         top_win = modest_window_mgr_get_current_top (modest_runtime_get_window_mgr());
733         if (!top_win) {
734                 g_object_unref (header);
735                 return;
736         }
737
738         if (modest_window_mgr_find_registered_header (modest_runtime_get_window_mgr(),
739                                                       header, &msg_view)) {
740                 if (MODEST_IS_MSG_VIEW_WINDOW (msg_view))
741                         modest_ui_actions_refresh_message_window_after_delete (MODEST_MSG_VIEW_WINDOW (msg_view));
742         }       
743         g_object_unref (header);
744
745         /* Refilter the header views explicitely */
746
747         /* TODO: call modest_window_mgr_refilter_header_views */
748         /* this call will go through all the windows, get the header views and refilter them */
749 }
750
751 static gpointer
752 thread_prepare_delete_message (gpointer userdata)
753 {
754         TnyList *headers = NULL, *tmp_headers = NULL;
755         TnyFolder *folder = NULL;
756         TnyIterator *iter = NULL; 
757         TnyHeader *header = NULL, *msg_header = NULL;
758         TnyMsg *msg = NULL;
759         TnyAccount *account = NULL;
760         char *uri;
761         gchar *uid = NULL;
762         ModestMailOperation *mail_op = NULL;
763         ModestWindow *top_win = NULL;
764
765         uri = (char *) userdata;
766
767         msg = find_message_by_url (uri, &account);
768         if (account)
769                 g_object_unref (account);
770
771         if (!msg) {
772                 g_debug ("%s: Could not find message '%s'", __FUNCTION__, uri);
773                 g_idle_add (notify_error_in_dbus_callback, NULL);
774                 g_free (uri);
775                 return FALSE; 
776         }
777
778         top_win = modest_window_mgr_get_current_top (modest_runtime_get_window_mgr());
779
780         folder = tny_msg_get_folder (msg);
781         if (!folder) {
782                 g_debug ("%s: Could not find folder (uri:'%s')", __FUNCTION__, uri);
783                 g_object_unref (msg);
784                 g_idle_add (notify_error_in_dbus_callback, NULL);
785                 g_free (uri);
786                 return FALSE; 
787         }
788
789         /* Get UID */
790         msg_header = tny_msg_get_header (msg);
791         uid = tny_header_dup_uid (msg_header);
792         g_object_unref (msg);
793         g_object_unref (msg_header);
794
795         headers = tny_simple_list_new ();
796         tny_folder_get_headers (folder, headers, TRUE, NULL);
797         iter = tny_list_create_iterator (headers);
798
799         while (!tny_iterator_is_done (iter)) {
800                 gchar *cur_id = NULL;
801
802                 header = TNY_HEADER (tny_iterator_get_current (iter));
803                 if (header)
804                         cur_id = tny_header_dup_uid (header);
805                 
806                 if (cur_id && uid && g_str_equal (cur_id, uid)) {
807                         g_free (cur_id);
808                         /* g_debug ("Found corresponding header from folder"); */
809                         break;
810                 }
811                 g_free (cur_id);
812
813                 if (header) {
814                         g_object_unref (header);
815                         header = NULL;
816                 }
817                 
818                 tny_iterator_next (iter);
819         }
820         g_free (uid);
821         g_object_unref (iter);
822         g_object_unref (headers);
823
824         if (header == NULL) {
825                 if (folder)
826                         g_object_unref (folder);
827                 g_idle_add (notify_error_in_dbus_callback, NULL);                       
828                 g_free (uri);
829                 return FALSE;
830         }
831                 
832         /* This is a GDK lock because we are an idle callback and
833          * the code below is or does Gtk+ code */
834         gdk_threads_enter (); /* CHECKED */
835
836         mail_op = modest_mail_operation_new (top_win ? G_OBJECT(top_win) : NULL);
837         modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), mail_op);
838
839         g_signal_connect (G_OBJECT (mail_op),
840                           "operation-finished",
841                           G_CALLBACK (on_remove_msgs_finished),
842                           g_object_ref (header));
843
844         tmp_headers = tny_simple_list_new ();
845         tny_list_append (tmp_headers, (GObject *) header);
846
847         modest_mail_operation_remove_msgs (mail_op, tmp_headers, FALSE);
848
849         g_object_unref (tmp_headers);
850         g_object_unref (G_OBJECT (mail_op));
851         gdk_threads_leave (); /* CHECKED */
852         
853         /* Clean */
854         if (header)
855                 g_object_unref (header);
856         g_free (uri);
857         
858         return FALSE;
859 }
860
861 static gboolean
862 on_idle_delete_message (gpointer user_data)
863 {
864         const char *uri = NULL;
865
866         uri = (char *) user_data;
867
868         g_thread_create (thread_prepare_delete_message, g_strdup (uri), FALSE, NULL);
869
870         return FALSE;
871         
872 }
873
874
875
876
877 static gint
878 on_delete_message (GArray *arguments, gpointer data, osso_rpc_t *retval)
879 {
880         /* Get the arguments: */
881         osso_rpc_t val = g_array_index (arguments,
882                              osso_rpc_t,
883                              MODEST_DBUS_DELETE_MESSAGE_ARG_URI);
884         gchar *uri = g_strdup (val.value.s);
885         
886         /* Use g_idle to context-switch into the application's thread: */
887         g_idle_add(on_idle_delete_message, (gpointer)uri);
888         
889         return OSSO_OK;
890 }
891
892 static gboolean
893 on_idle_send_receive(gpointer user_data)
894 {
895         gboolean auto_update;
896         ModestWindow *top_win = NULL;
897
898         top_win = modest_window_mgr_get_current_top (modest_runtime_get_window_mgr ());
899
900         gdk_threads_enter (); /* CHECKED */
901
902         /* Check if the autoupdate feature is on */
903         auto_update = modest_conf_get_bool (modest_runtime_get_conf (), 
904                                             MODEST_CONF_AUTO_UPDATE, NULL);
905
906         if (auto_update)
907                 /* Do send receive */
908                 modest_ui_actions_do_send_receive_all (top_win, FALSE, FALSE, FALSE);
909         else
910                 /* Disable auto update */
911                 modest_platform_set_update_interval (0);
912
913         gdk_threads_leave (); /* CHECKED */
914         
915         return FALSE;
916 }
917
918
919
920 static gint 
921 on_dbus_method_dump_send_queues (DBusConnection *con, DBusMessage *message)
922 {
923         gchar *str;
924         
925         DBusMessage *reply;
926         dbus_uint32_t serial = 0;
927
928         GSList *account_names, *cursor;
929
930         str = g_strdup("\nsend queues\n"
931                        "===========\n");
932
933         cursor = account_names = modest_account_mgr_account_names
934                 (modest_runtime_get_account_mgr(), TRUE); /* only enabled accounts */
935
936         while (cursor) {
937                 TnyAccount *acc;
938                 gchar *tmp, *accname = (gchar*)cursor->data;
939                 
940                 tmp = g_strdup_printf ("%s", str);
941                 g_free (str);
942                 str = tmp;
943                 
944                 /* transport */
945                 acc = modest_tny_account_store_get_server_account (
946                         modest_runtime_get_account_store(), accname,
947                         TNY_ACCOUNT_TYPE_TRANSPORT);
948                 if (TNY_IS_ACCOUNT(acc)) {
949                         gchar *tmp = NULL, *url = tny_account_get_url_string (acc);
950                         ModestTnySendQueue *sendqueue =
951                                 modest_runtime_get_send_queue (TNY_TRANSPORT_ACCOUNT(acc), TRUE);
952
953                         if (TNY_IS_SEND_QUEUE (sendqueue)) {
954                                 gchar *queue_str = modest_tny_send_queue_to_string (sendqueue);
955                         
956                                 tmp = g_strdup_printf ("%s[%s]: '%s': %s\n%s",
957                                                        str, accname, tny_account_get_id (acc), url,
958                                                        queue_str);
959                                 g_free(queue_str);
960                                 g_free (str);
961                                 str = tmp;
962                         }
963                         g_free (url);
964
965                         g_object_unref (acc);
966                 }
967                 
968                 cursor = g_slist_next (cursor);
969         }
970         modest_account_mgr_free_account_names (account_names);
971                                                          
972         g_printerr (str);
973         
974         reply = dbus_message_new_method_return (message);
975         if (reply) {
976                 dbus_message_append_args (reply,
977                                           DBUS_TYPE_STRING, &str,
978                                           DBUS_TYPE_INVALID);
979                 dbus_connection_send (con, reply, &serial);
980                 dbus_connection_flush (con);
981                 dbus_message_unref (reply);
982         }
983         g_free (str);
984
985         /* Let modest die */
986         g_idle_add (notify_error_in_dbus_callback, NULL);
987
988         return OSSO_OK;
989 }
990
991
992 static gint 
993 on_dbus_method_dump_operation_queue (DBusConnection *con, DBusMessage *message)
994 {
995         gchar *str;
996         gchar *op_queue_str;
997         
998         DBusMessage *reply;
999         dbus_uint32_t serial = 0;
1000
1001         /* operations queue; */
1002         op_queue_str = modest_mail_operation_queue_to_string
1003                 (modest_runtime_get_mail_operation_queue ());
1004                 
1005         str = g_strdup_printf ("\noperation queue\n"
1006                                "===============\n"
1007                                "status: %s\n"
1008                                "%s\n",
1009                                tny_device_is_online (modest_runtime_get_device ()) ? "online" : "offline",
1010                                op_queue_str);
1011         g_free (op_queue_str);
1012         
1013         g_printerr (str);
1014         
1015         reply = dbus_message_new_method_return (message);
1016         if (reply) {
1017                 dbus_message_append_args (reply,
1018                                           DBUS_TYPE_STRING, &str,
1019                                           DBUS_TYPE_INVALID);
1020                 dbus_connection_send (con, reply, &serial);
1021                 dbus_connection_flush (con);
1022                 dbus_message_unref (reply);
1023         }       
1024         g_free (str);
1025
1026         /* Let modest die */
1027         g_idle_add (notify_error_in_dbus_callback, NULL);
1028
1029         return OSSO_OK;
1030 }
1031
1032
1033
1034 static gint 
1035 on_dbus_method_dump_accounts (DBusConnection *con, DBusMessage *message)
1036 {
1037         gchar *str;
1038         
1039         DBusMessage *reply;
1040         dbus_uint32_t serial = 0;
1041
1042         GSList *account_names, *cursor;
1043
1044         str = g_strdup ("\naccounts\n========\n");
1045
1046         cursor = account_names = modest_account_mgr_account_names
1047                 (modest_runtime_get_account_mgr(), TRUE); /* only enabled accounts */
1048
1049         while (cursor) {
1050                 TnyAccount *acc;
1051                 gchar *tmp, *accname = (gchar*)cursor->data;
1052
1053                 tmp = g_strdup_printf ("%s[%s]\n", str, accname);
1054                 g_free (str);
1055                 str = tmp;
1056                 
1057                 /* store */
1058                 acc = modest_tny_account_store_get_server_account (
1059                         modest_runtime_get_account_store(), accname,
1060                         TNY_ACCOUNT_TYPE_STORE);
1061                 if (TNY_IS_ACCOUNT(acc)) {
1062                         gchar *tmp, *url = tny_account_get_url_string (acc);
1063                         tmp = g_strdup_printf ("%sstore    : '%s': %s (refs: %d)\n",
1064                                                str, tny_account_get_id (acc), url, 
1065                                                ((GObject*)acc)->ref_count-1);
1066                         g_free (str);
1067                         str = tmp;
1068                         g_free (url);
1069                         g_object_unref (acc);
1070                 }
1071                 
1072                 /* transport */
1073                 acc = modest_tny_account_store_get_server_account (
1074                         modest_runtime_get_account_store(), accname,
1075                         TNY_ACCOUNT_TYPE_TRANSPORT);
1076                 if (TNY_IS_ACCOUNT(acc)) {
1077                         gchar *tmp, *url = tny_account_get_url_string (acc);
1078                         tmp = g_strdup_printf ("%stransport: '%s': %s (refs: %d)\n",
1079                                                str, tny_account_get_id (acc), url, 
1080                                                ((GObject*)acc)->ref_count-1);
1081                         g_free (str);
1082                         str = tmp;
1083                         g_free (url);
1084                         g_object_unref (acc);
1085                 }
1086                 
1087                 cursor = g_slist_next (cursor);
1088         }
1089         
1090         modest_account_mgr_free_account_names (account_names);
1091                                                          
1092         g_printerr (str);
1093         
1094         reply = dbus_message_new_method_return (message);
1095         if (reply) {
1096                 dbus_message_append_args (reply,
1097                                           DBUS_TYPE_STRING, &str,
1098                                           DBUS_TYPE_INVALID);
1099                 dbus_connection_send (con, reply, &serial);
1100                 dbus_connection_flush (con);
1101                 dbus_message_unref (reply);
1102         }       
1103         g_free (str);
1104
1105         /* Let modest die */
1106         g_idle_add (notify_error_in_dbus_callback, NULL);
1107
1108         return OSSO_OK;
1109 }
1110
1111 static void
1112 on_send_receive_performer(gboolean canceled, 
1113                           GError *err,
1114                           GtkWindow *parent_window,
1115                           TnyAccount *account,
1116                           gpointer user_data)
1117 {
1118         ModestConnectedVia connect_when;
1119
1120         if (err || canceled) {
1121                 g_idle_add (notify_error_in_dbus_callback, NULL);
1122                 return;
1123         }
1124
1125         connect_when = modest_conf_get_int (modest_runtime_get_conf (), 
1126                                             MODEST_CONF_UPDATE_WHEN_CONNECTED_BY, NULL);
1127
1128         /* Perform a send and receive if the user selected to connect
1129            via any mean or if the current connection method is the
1130            same as the one specified by the user */
1131         if (connect_when == MODEST_CONNECTED_VIA_ANY ||
1132             connect_when == modest_platform_get_current_connection ()) {
1133                 g_idle_add (on_idle_send_receive, NULL);
1134         } else {
1135                 /* We need this to allow modest to finish */
1136                 g_idle_add (notify_error_in_dbus_callback, NULL);
1137         }
1138 }
1139
1140
1141 static gint
1142 on_send_receive(GArray *arguments, gpointer data, osso_rpc_t * retval)
1143 {
1144         TnyDevice *device = modest_runtime_get_device ();
1145
1146         if (!tny_device_is_online (device))
1147                 modest_platform_connect_and_perform (NULL, FALSE, NULL, on_send_receive_performer, NULL);
1148         else
1149                 on_send_receive_performer (FALSE, NULL, NULL, NULL, NULL);
1150
1151         return OSSO_OK;
1152 }
1153
1154 static gint
1155 on_open_default_inbox(GArray * arguments, gpointer data, osso_rpc_t * retval)
1156 {
1157         g_idle_add(on_idle_top_application, NULL);
1158
1159         return OSSO_OK;
1160 }
1161
1162
1163 static gboolean
1164 on_idle_open_account (gpointer user_data)
1165 {
1166         ModestWindow *top;
1167         ModestWindowMgr *mgr;
1168         gchar *acc_name;
1169
1170         gdk_threads_enter ();
1171
1172         acc_name = (gchar *) user_data;
1173         mgr = modest_runtime_get_window_mgr ();
1174
1175         top = modest_window_mgr_get_current_top (mgr);
1176         if (!top)
1177                 top = modest_window_mgr_show_initial_window (mgr);
1178
1179 #ifdef MODEST_TOOLKIT_HILDON2
1180         if (MODEST_IS_ACCOUNTS_WINDOW (top)) {
1181                 GtkWidget *new_window;
1182                 ModestProtocolType store_protocol;
1183                 gboolean mailboxes_protocol;
1184
1185                 store_protocol = modest_account_mgr_get_store_protocol (modest_runtime_get_account_mgr (), 
1186                                                                         acc_name);
1187                 mailboxes_protocol = 
1188                         modest_protocol_registry_protocol_type_has_tag (modest_runtime_get_protocol_registry (),
1189                                                                         store_protocol,
1190                                                                         MODEST_PROTOCOL_REGISTRY_MULTI_MAILBOX_PROVIDER_PROTOCOLS);
1191
1192                 if (mailboxes_protocol) {
1193                         new_window = GTK_WIDGET (modest_mailboxes_window_new (acc_name));
1194                 } else {
1195                         new_window = GTK_WIDGET (modest_folder_window_new (NULL));
1196                         modest_folder_window_set_account (MODEST_FOLDER_WINDOW (new_window),
1197                                                           acc_name);
1198                 }
1199
1200                 if (modest_window_mgr_register_window (mgr, MODEST_WINDOW (new_window), NULL)) {
1201                         gtk_widget_show (new_window);
1202                 } else {
1203                         gtk_widget_destroy (new_window);
1204                         new_window = NULL;
1205                 }
1206         }
1207 #else
1208         if (MODEST_IS_MAIN_WINDOW (top)) {
1209                 gchar *server_name;
1210                 GtkWidget *folder_view;
1211
1212                 folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (top),
1213                                                                    MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1214                 server_name = modest_account_mgr_get_server_account_name (modest_runtime_get_account_mgr (), 
1215                                                                           acc_name, TNY_ACCOUNT_TYPE_STORE);
1216                 if (server_name) {
1217                         modest_folder_view_set_account_id_of_visible_server_account (MODEST_FOLDER_VIEW (folder_view),
1218                                                                                      server_name);
1219                         g_free (server_name);
1220                 }
1221         }
1222 #endif
1223
1224         gdk_threads_leave ();
1225         g_free (acc_name);
1226         return FALSE;
1227 }
1228
1229 static gint
1230 on_open_account (GArray *arguments, gpointer data, osso_rpc_t *retval)
1231 {
1232         osso_rpc_t val;
1233         gchar *account_id;
1234
1235         /* Get the arguments: */
1236         val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_OPEN_MESSAGE_ARG_URI);
1237         account_id = g_strdup (val.value.s);
1238
1239         g_idle_add (on_idle_open_account, account_id);
1240
1241         return OSSO_OK;
1242 }
1243
1244 #ifdef MODEST_TOOLKIT_HILDON2
1245 static gboolean
1246 on_idle_top_application (gpointer user_data)
1247 {
1248         HildonWindowStack *stack;
1249         GtkWidget *window;
1250
1251         /* This is a GDK lock because we are an idle callback and
1252          * the code below is or does Gtk+ code */
1253
1254         gdk_threads_enter (); /* CHECKED */
1255
1256         stack = hildon_window_stack_get_default ();
1257         window = GTK_WIDGET (hildon_window_stack_peek (stack));
1258
1259         if (window) {
1260                 gtk_window_present (GTK_WINDOW (window));
1261         } else {
1262                 ModestWindowMgr *mgr;
1263
1264                 mgr = modest_runtime_get_window_mgr ();
1265                 window = (GtkWidget *) modest_window_mgr_show_initial_window (mgr);
1266                 if (window) {
1267                         modest_platform_remove_new_mail_notifications (FALSE);
1268                 } else {
1269                         g_printerr ("modest: failed to get main window instance\n");
1270                 }
1271         }
1272
1273         gdk_threads_leave (); /* CHECKED */
1274
1275         return FALSE; /* Do not call this callback again. */
1276 }
1277 #else
1278 static gboolean
1279 on_idle_top_application (gpointer user_data)
1280 {
1281         ModestWindow *main_win;
1282         gboolean new_window = FALSE;
1283
1284         /* This is a GDK lock because we are an idle callback and
1285          * the code below is or does Gtk+ code */
1286
1287         gdk_threads_enter (); /* CHECKED */
1288
1289         main_win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr (),
1290                                                       FALSE);
1291
1292         if (!main_win) {
1293                 main_win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr (),
1294                                                               TRUE);
1295                 new_window = TRUE;
1296         }
1297
1298         if (main_win) {
1299                 /* If we're showing an already existing window then
1300                    reselect the INBOX */
1301                 if (!new_window) {
1302                         GtkWidget *folder_view;
1303                         folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (main_win),
1304                                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
1305                         modest_folder_view_select_first_inbox_or_local (MODEST_FOLDER_VIEW (folder_view));
1306                 }
1307         }
1308
1309         if (main_win) {
1310                 gtk_widget_show_all (GTK_WIDGET (main_win));
1311                 gtk_window_present (GTK_WINDOW (main_win));
1312         }
1313
1314         gdk_threads_leave (); /* CHECKED */
1315
1316         return FALSE; /* Do not call this callback again. */
1317 }
1318 #endif
1319
1320 static gint 
1321 on_top_application(GArray * arguments, gpointer data, osso_rpc_t * retval)
1322 {
1323         /* Use g_idle to context-switch into the application's thread: */
1324         g_idle_add(on_idle_top_application, NULL);
1325         
1326         return OSSO_OK;
1327 }
1328
1329 static gboolean 
1330 on_idle_show_memory_low (gpointer user_data)
1331 {
1332         ModestWindow *main_win = NULL;
1333
1334         gdk_threads_enter ();
1335         main_win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr (), FALSE);
1336         modest_platform_run_information_dialog (GTK_WINDOW (main_win),
1337                                                 dgettext("ke-recv","memr_ib_operation_disabled"),
1338                                                 TRUE);
1339         gdk_threads_leave ();
1340
1341         return FALSE;
1342 }
1343
1344 /* Callback for normal D-BUS messages */
1345 gint
1346 modest_dbus_req_handler(const gchar * interface, const gchar * method,
1347                         GArray * arguments, gpointer data,
1348                         osso_rpc_t * retval)
1349 {
1350         /* Check memory low conditions */
1351         if (modest_platform_check_memory_low (NULL, FALSE)) {
1352                 g_idle_add (on_idle_show_memory_low, NULL);
1353                 goto param_error;
1354         }
1355
1356         if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_MAIL_TO) == 0) {
1357                 if (arguments->len != MODEST_DBUS_MAIL_TO_ARGS_COUNT)
1358                         goto param_error;
1359                 modest_runtime_set_allow_shutdown (TRUE);
1360                 return on_mail_to (arguments, data, retval);
1361         } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_OPEN_MESSAGE) == 0) {
1362                 if (arguments->len != MODEST_DBUS_OPEN_MESSAGE_ARGS_COUNT)
1363                         goto param_error;
1364                 modest_runtime_set_allow_shutdown (TRUE);
1365                 return on_open_message (arguments, data, retval);
1366         } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_OPEN_ACCOUNT) == 0) {
1367                 if (arguments->len != MODEST_DBUS_OPEN_ACCOUNT_ARGS_COUNT)
1368                         goto param_error;
1369                 modest_runtime_set_allow_shutdown (TRUE);
1370                 return on_open_account (arguments, data, retval);
1371         } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_SEND_RECEIVE) == 0) {
1372                 if (arguments->len != 0)
1373                         goto param_error;
1374                 return on_send_receive (arguments, data, retval);
1375         } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_COMPOSE_MAIL) == 0) {
1376                 if (arguments->len != MODEST_DBUS_COMPOSE_MAIL_ARGS_COUNT)
1377                         goto param_error;
1378                 modest_runtime_set_allow_shutdown (TRUE);
1379                 return on_compose_mail (arguments, data, retval);
1380         } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_DELETE_MESSAGE) == 0) {
1381                 if (arguments->len != MODEST_DBUS_DELETE_MESSAGE_ARGS_COUNT)
1382                         goto param_error;
1383                 return on_delete_message (arguments,data, retval);
1384         } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_OPEN_DEFAULT_INBOX) == 0) {
1385                 if (arguments->len != 0)
1386                         goto param_error;
1387                 modest_runtime_set_allow_shutdown (TRUE);
1388                 return on_open_default_inbox (arguments, data, retval);
1389         } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_TOP_APPLICATION) == 0) {
1390                 if (arguments->len != 0)
1391                         goto param_error;
1392                 modest_runtime_set_allow_shutdown (TRUE);
1393                 return on_top_application (arguments, data, retval); 
1394         } else { 
1395                 /* We need to return INVALID here so
1396                  * libosso will return DBUS_HANDLER_RESULT_NOT_YET_HANDLED,
1397                  * so that our modest_dbus_req_filter will then be tried instead.
1398                  * */
1399                 return OSSO_INVALID;
1400         }
1401  param_error:
1402         /* Notify error in D-Bus method */
1403         g_idle_add (notify_error_in_dbus_callback, NULL);
1404         return OSSO_ERROR;
1405 }
1406                                          
1407 /* A complex D-Bus type (like a struct),
1408  * used to return various information about a search hit.
1409  */
1410 #define SEARCH_HIT_DBUS_TYPE \
1411         DBUS_STRUCT_BEGIN_CHAR_AS_STRING \
1412         DBUS_TYPE_STRING_AS_STRING /* msgid */ \
1413         DBUS_TYPE_STRING_AS_STRING /* subject */ \
1414         DBUS_TYPE_STRING_AS_STRING /* folder */ \
1415         DBUS_TYPE_STRING_AS_STRING /* sender */ \
1416         DBUS_TYPE_UINT64_AS_STRING /* msize */ \
1417         DBUS_TYPE_BOOLEAN_AS_STRING /* has_attachment */ \
1418         DBUS_TYPE_BOOLEAN_AS_STRING /* is_unread */ \
1419         DBUS_TYPE_INT64_AS_STRING /* timestamp */ \
1420         DBUS_STRUCT_END_CHAR_AS_STRING
1421
1422 static DBusMessage *
1423 search_result_to_message (DBusMessage *reply,
1424                            GList       *hits)
1425 {
1426         DBusMessageIter iter;
1427         DBusMessageIter array_iter;
1428         GList          *hit_iter;
1429
1430         dbus_message_iter_init_append (reply, &iter); 
1431         dbus_message_iter_open_container (&iter,
1432                                           DBUS_TYPE_ARRAY,
1433                                           SEARCH_HIT_DBUS_TYPE,
1434                                           &array_iter); 
1435
1436         for (hit_iter = hits; hit_iter; hit_iter = hit_iter->next) {
1437                 DBusMessageIter  struct_iter;
1438                 ModestSearchResultHit *hit;
1439                 char            *msg_url;
1440                 const char      *subject;
1441                 const char      *folder;
1442                 const char      *sender;
1443                 guint64          size;
1444                 gboolean         has_attachment;
1445                 gboolean         is_unread;
1446                 gint64           ts;
1447
1448                 hit = (ModestSearchResultHit *) hit_iter->data;
1449
1450                 msg_url = hit->msgid;
1451                 subject = hit->subject;
1452                 folder  = hit->folder;
1453                 sender  = hit->sender;
1454                 size           = hit->msize;
1455                 has_attachment = hit->has_attachment;
1456                 is_unread      = hit->is_unread;
1457                 ts             = hit->timestamp;
1458
1459                 g_debug ("DEBUG: %s: Adding hit: %s", __FUNCTION__, msg_url);   
1460                 
1461                 dbus_message_iter_open_container (&array_iter,
1462                                                   DBUS_TYPE_STRUCT,
1463                                                   NULL,
1464                                                   &struct_iter);
1465
1466                 dbus_message_iter_append_basic (&struct_iter,
1467                                                 DBUS_TYPE_STRING,
1468                                                 &msg_url);
1469
1470                 dbus_message_iter_append_basic (&struct_iter,
1471                                                 DBUS_TYPE_STRING,
1472                                                 &subject); 
1473
1474                 dbus_message_iter_append_basic (&struct_iter,
1475                                                 DBUS_TYPE_STRING,
1476                                                 &folder);
1477
1478                 dbus_message_iter_append_basic (&struct_iter,
1479                                                 DBUS_TYPE_STRING,
1480                                                 &sender);
1481
1482                 dbus_message_iter_append_basic (&struct_iter,
1483                                                 DBUS_TYPE_UINT64,
1484                                                 &size);
1485
1486                 dbus_message_iter_append_basic (&struct_iter,
1487                                                 DBUS_TYPE_BOOLEAN,
1488                                                 &has_attachment);
1489
1490                 dbus_message_iter_append_basic (&struct_iter,
1491                                                 DBUS_TYPE_BOOLEAN,
1492                                                 &is_unread);
1493                 
1494                 dbus_message_iter_append_basic (&struct_iter,
1495                                                 DBUS_TYPE_INT64,
1496                                                 &ts);
1497
1498                 dbus_message_iter_close_container (&array_iter,
1499                                                    &struct_iter); 
1500
1501                 g_free (hit->msgid);
1502                 g_free (hit->subject);
1503                 g_free (hit->folder);
1504                 g_free (hit->sender);
1505
1506                 g_slice_free (ModestSearchResultHit, hit);
1507         }
1508
1509         dbus_message_iter_close_container (&iter, &array_iter);
1510
1511         return reply;
1512 }
1513
1514 typedef struct
1515 {
1516         DBusConnection *con;
1517         DBusMessage *message;
1518         ModestSearch *search;
1519 } SearchHelper;
1520
1521 static void
1522 search_all_cb (GList *hits, gpointer user_data)
1523 {
1524         DBusMessage  *reply;
1525         SearchHelper *helper = (SearchHelper *) user_data;
1526
1527         reply = dbus_message_new_method_return (helper->message);
1528
1529         if (reply) {
1530                 dbus_uint32_t serial = 0;
1531                 
1532                 search_result_to_message (reply, hits);
1533
1534                 dbus_connection_send (helper->con, reply, &serial);
1535                 dbus_connection_flush (helper->con);
1536                 dbus_message_unref (reply);
1537         }
1538
1539         /* Free the helper */
1540         dbus_message_unref (helper->message);
1541         modest_search_free (helper->search);
1542         g_slice_free (ModestSearch, helper->search);
1543         g_slice_free (SearchHelper, helper);
1544 }
1545
1546 static void
1547 on_dbus_method_search (DBusConnection *con, DBusMessage *message)
1548 {
1549         ModestDBusSearchFlags dbus_flags;
1550         dbus_bool_t  res;
1551         dbus_int64_t sd_v;
1552         dbus_int64_t ed_v;
1553         dbus_int32_t flags_v;
1554         dbus_uint32_t size_v;
1555         const char *folder;
1556         const char *query;
1557         time_t start_date;
1558         time_t end_date;
1559         ModestSearch *search;
1560         DBusError error;
1561
1562         dbus_error_init (&error);
1563
1564         sd_v = ed_v = 0;
1565         flags_v = 0;
1566
1567         res = dbus_message_get_args (message,
1568                                      &error,
1569                                      DBUS_TYPE_STRING, &query,
1570                                      DBUS_TYPE_STRING, &folder, /* e.g. "INBOX/drafts": TODO: Use both an ID and a display name. */
1571                                      DBUS_TYPE_INT64, &sd_v,
1572                                      DBUS_TYPE_INT64, &ed_v,
1573                                      DBUS_TYPE_INT32, &flags_v,
1574                                      DBUS_TYPE_UINT32, &size_v,
1575                                      DBUS_TYPE_INVALID);
1576
1577         dbus_flags = (ModestDBusSearchFlags) flags_v;
1578         start_date = (time_t) sd_v;
1579         end_date = (time_t) ed_v;
1580
1581         search = g_slice_new0 (ModestSearch);
1582         
1583         if (folder && g_str_has_prefix (folder, "MAND:")) {
1584                 search->folder = g_strdup (folder + strlen ("MAND:"));
1585         } else if (folder && g_str_has_prefix (folder, "USER:")) {
1586                 search->folder = g_strdup (folder + strlen ("USER:"));
1587         } else if (folder && g_str_has_prefix (folder, "MY:")) {
1588                 search->folder = g_strdup (folder + strlen ("MY:"));
1589         } else {
1590                 search->folder = g_strdup (folder);
1591         }
1592
1593    /* Remember the text to search for: */
1594 #ifdef MODEST_HAVE_OGS
1595         search->query  = g_strdup (query);
1596 #endif
1597
1598         /* Other criteria: */
1599         search->start_date = start_date;
1600         search->end_date  = end_date;
1601         search->flags = 0;
1602
1603         /* Text to serach for in various parts of the message: */
1604         if (dbus_flags & MODEST_DBUS_SEARCH_SUBJECT) {
1605                 search->flags |= MODEST_SEARCH_SUBJECT;
1606                 search->subject = g_strdup (query);
1607         }
1608
1609         if (dbus_flags & MODEST_DBUS_SEARCH_SENDER) {
1610                 search->flags |=  MODEST_SEARCH_SENDER;
1611                 search->from = g_strdup (query);
1612         }
1613
1614         if (dbus_flags & MODEST_DBUS_SEARCH_RECIPIENT) {
1615                 search->flags |= MODEST_SEARCH_RECIPIENT; 
1616                 search->recipient = g_strdup (query);
1617         }
1618
1619         if (dbus_flags & MODEST_DBUS_SEARCH_BODY) {
1620                 search->flags |=  MODEST_SEARCH_BODY; 
1621                 search->body = g_strdup (query);
1622         }
1623
1624         if (sd_v > 0) {
1625                 search->flags |= MODEST_SEARCH_AFTER;
1626                 search->start_date = start_date;
1627         }
1628
1629         if (ed_v > 0) {
1630                 search->flags |= MODEST_SEARCH_BEFORE;
1631                 search->end_date = end_date;
1632         }
1633
1634         if (size_v > 0) {
1635                 search->flags |= MODEST_SEARCH_SIZE;
1636                 search->minsize = size_v;
1637         }
1638
1639 #ifdef MODEST_HAVE_OGS
1640         search->flags |= MODEST_SEARCH_USE_OGS;
1641         g_debug ("%s: Starting search for %s", __FUNCTION__, search->query);
1642 #endif
1643
1644         SearchHelper *helper = g_slice_new (SearchHelper);
1645         helper->search = search;
1646         dbus_message_ref (message);
1647         helper->message = message;
1648         helper->con = con;
1649
1650         /* Search asynchronously */
1651         modest_search_all_accounts (search, search_all_cb, helper);
1652 }
1653
1654
1655 /* A complex D-Bus type (like a struct),
1656  * used to return various information about a folder.
1657  */
1658 #define GET_FOLDERS_RESULT_DBUS_TYPE \
1659         DBUS_STRUCT_BEGIN_CHAR_AS_STRING \
1660         DBUS_TYPE_STRING_AS_STRING /* Folder Name */ \
1661         DBUS_TYPE_STRING_AS_STRING /* Folder URI */ \
1662         DBUS_STRUCT_END_CHAR_AS_STRING
1663
1664 static DBusMessage *
1665 get_folders_result_to_message (DBusMessage *reply,
1666                            GList *folder_ids)
1667 {
1668         DBusMessageIter iter;   
1669         dbus_message_iter_init_append (reply, &iter); 
1670         
1671         DBusMessageIter array_iter;
1672         dbus_message_iter_open_container (&iter,
1673                                           DBUS_TYPE_ARRAY,
1674                                           GET_FOLDERS_RESULT_DBUS_TYPE,
1675                                           &array_iter); 
1676
1677         GList *list_iter = folder_ids;
1678         for (list_iter = folder_ids; list_iter; list_iter = list_iter->next) {
1679                 
1680                 const gchar *folder_name = (const gchar*)list_iter->data;
1681                 if (folder_name) {
1682                         /* g_debug ("DEBUG: %s: Adding folder: %s", __FUNCTION__, folder_name); */
1683                         
1684                         DBusMessageIter struct_iter;
1685                         dbus_message_iter_open_container (&array_iter,
1686                                                           DBUS_TYPE_STRUCT,
1687                                                           NULL,
1688                                                           &struct_iter);
1689         
1690                         /* name: */
1691                         dbus_message_iter_append_basic (&struct_iter,
1692                                                         DBUS_TYPE_STRING,
1693                                                         &folder_name); /* The string will be copied. */
1694                                                         
1695                         /* URI: This is maybe not needed by osso-global-search: */
1696                         const gchar *folder_uri = "TODO:unimplemented";
1697                         dbus_message_iter_append_basic (&struct_iter,
1698                                                         DBUS_TYPE_STRING,
1699                                                         &folder_uri); /* The string will be copied. */
1700         
1701                         dbus_message_iter_close_container (&array_iter,
1702                                                            &struct_iter); 
1703                 }
1704         }
1705
1706         dbus_message_iter_close_container (&iter, &array_iter);
1707
1708         return reply;
1709 }
1710
1711 static void
1712 add_single_folder_to_list (TnyFolder *folder, GList** list)
1713 {
1714         if (!folder)
1715                 return;
1716                 
1717         if (TNY_IS_MERGE_FOLDER (folder)) {
1718                 const gchar * folder_name;
1719                 /* Ignore these because their IDs ares
1720                  * a) not always unique or sensible.
1721                  * b) not human-readable, and currently need a human-readable 
1722                  *    ID here, because the osso-email-interface API does not allow 
1723                  *    us to return both an ID and a display name.
1724                  * 
1725                  * This is actually the merged outbox folder.
1726                  * We could hack our D-Bus API to understand "outbox" as the merged outboxes, 
1727                  * but that seems unwise. murrayc.
1728                  */
1729                 folder_name = tny_folder_get_name (folder);
1730                 if (folder_name && !strcmp (folder_name, "Outbox")) {
1731                         *list = g_list_append(*list, g_strdup ("MAND:outbox"));
1732                 }
1733                 return; 
1734         }
1735                 
1736         /* Add this folder to the list: */
1737         /*
1738         const gchar * folder_name = tny_folder_get_name (folder);
1739         if (folder_name)
1740                 *list = g_list_append(*list, g_strdup (folder_name));
1741         else {
1742         */
1743                 /* osso-global-search only uses one string,
1744                  * so ID is the only thing that could possibly identify a folder.
1745                  * TODO: osso-global search should probably be changed to 
1746                  * take an ID and a Name.
1747                  */
1748         const gchar * id =  tny_folder_get_id (folder);
1749         if (id && strlen(id)) {
1750                 const gchar *prefix = NULL;
1751                 TnyFolderType folder_type;
1752                         
1753                 /* dbus global search api expects a prefix identifying the type of
1754                  * folder here. Mandatory folders should have MAND: prefix, and
1755                  * other user created folders should have USER: prefix
1756                  */
1757                 folder_type = modest_tny_folder_guess_folder_type (folder);
1758                 switch (folder_type) {
1759                 case TNY_FOLDER_TYPE_INBOX:
1760                         prefix = "MY:";
1761                         break;
1762                 case TNY_FOLDER_TYPE_OUTBOX:
1763                 case TNY_FOLDER_TYPE_DRAFTS:
1764                 case TNY_FOLDER_TYPE_SENT:
1765                 case TNY_FOLDER_TYPE_ARCHIVE:
1766                         prefix = "MAND:";
1767                         break;
1768                 case TNY_FOLDER_TYPE_INVALID:
1769                         g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
1770                         return; /* don't add it */
1771                 default:
1772                         prefix = "USER:";
1773                         
1774                 }
1775                 
1776
1777                 *list = g_list_append(*list, g_strdup_printf ("%s%s", prefix, id));
1778         }
1779 }
1780
1781 static void
1782 add_folders_to_list (TnyFolderStore *folder_store, GList** list)
1783 {
1784         if (!folder_store)
1785                 return;
1786         
1787         /* Add this folder to the list: */
1788         if (TNY_IS_FOLDER (folder_store)) {
1789                 add_single_folder_to_list (TNY_FOLDER (folder_store), list);
1790         }       
1791                 
1792         /* Recurse into child folders: */
1793                 
1794         /* Get the folders list: */
1795         /*
1796         TnyFolderStoreQuery *query = tny_folder_store_query_new ();
1797         tny_folder_store_query_add_item (query, NULL, 
1798                 TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
1799         */
1800         TnyList *all_folders = tny_simple_list_new ();
1801         tny_folder_store_get_folders (folder_store,
1802                                       all_folders,
1803                                       NULL /* query */,
1804                                       FALSE,
1805                                       NULL /* error */);
1806
1807         TnyIterator *iter = tny_list_create_iterator (all_folders);
1808         while (!tny_iterator_is_done (iter)) {
1809                 
1810                 /* Do not recurse, because the osso-global-search UI specification 
1811                  * does not seem to want the sub-folders, though that spec seems to 
1812                  * be generally unsuitable for Modest.
1813                  */
1814                 TnyFolder *folder = TNY_FOLDER (tny_iterator_get_current (iter));
1815                 if (folder) {
1816                         add_single_folder_to_list (TNY_FOLDER (folder), list);
1817                          
1818                         #if 0
1819                         if (TNY_IS_FOLDER_STORE (folder))
1820                                 add_folders_to_list (TNY_FOLDER_STORE (folder), list);
1821                         else {
1822                                 add_single_folder_to_list (TNY_FOLDER (folder), list);
1823                         }
1824                         #endif
1825                         
1826                         /* tny_iterator_get_current() gave us a reference. */
1827                         g_object_unref (folder);
1828                 }
1829                 
1830                 tny_iterator_next (iter);
1831         }
1832         g_object_unref (G_OBJECT (iter));
1833 }
1834
1835
1836 /* return >1 for a special folder, 0 for a user-folder */
1837 static gint
1838 get_rank (const gchar *folder)
1839 {
1840         if (strcmp (folder, "INBOX") == 0)
1841                 return 1;
1842         if (strcmp (folder, modest_local_folder_info_get_type_name(TNY_FOLDER_TYPE_SENT)) == 0)
1843                 return 2;
1844         if (strcmp (folder, modest_local_folder_info_get_type_name(TNY_FOLDER_TYPE_DRAFTS)) == 0)
1845                 return 3;
1846         if (strcmp (folder, modest_local_folder_info_get_type_name(TNY_FOLDER_TYPE_OUTBOX)) == 0)
1847                 return 4;
1848         return 0;
1849 }
1850
1851 static gint
1852 folder_name_compare_func (const gchar* folder1, const gchar* folder2)
1853 {
1854         gint r1 = get_rank (folder1);
1855         gint r2 = get_rank (folder2);
1856
1857         if (r1 > 0 && r2 > 0)
1858                 return r1 - r2;
1859         if (r1 > 0 && r2 == 0)
1860                 return -1;
1861         if (r1 == 0 && r2 > 0)
1862                 return 1;
1863         else
1864                 return  modest_text_utils_utf8_strcmp (folder1, folder2, TRUE);
1865 }
1866
1867 /* FIXME: */
1868 /*   - we're still missing the outbox */
1869 /*   - we need to take care of localization (urgh) */
1870 /*   - what about 'All mail folders'? */
1871 static void
1872 on_dbus_method_get_folders (DBusConnection *con, DBusMessage *message)
1873 {
1874         DBusMessage  *reply = NULL;
1875         ModestAccountMgr *account_mgr = NULL;
1876         gchar *account_name = NULL;
1877         GList *folder_names = NULL;     
1878         TnyAccount *account_local = NULL;
1879         TnyAccount *account_mmc = NULL;
1880         
1881         /* Get the TnyStoreAccount so we can get the folders: */
1882         account_mgr = modest_runtime_get_account_mgr();
1883         account_name = modest_account_mgr_get_default_account (account_mgr);
1884         if (!account_name) {
1885                 g_printerr ("modest: no account found\n");
1886         }
1887         
1888         if (account_name) {
1889                 TnyAccount *account = NULL;
1890                 if (account_mgr) {
1891                         account = modest_tny_account_store_get_server_account (
1892                                 modest_runtime_get_account_store(), account_name, 
1893                                 TNY_ACCOUNT_TYPE_STORE);
1894                 }
1895                 
1896                 if (!account) {
1897                         g_printerr ("modest: failed to get tny account folder'%s'\n", account_name);
1898                 } 
1899                 
1900                 printf("DEBUG: %s: Getting folders for account name=%s\n", __FUNCTION__, account_name);
1901                 g_free (account_name);
1902                 account_name = NULL;
1903                 
1904                 add_folders_to_list (TNY_FOLDER_STORE (account), &folder_names);
1905         
1906                 g_object_unref (account);
1907                 account = NULL;
1908         }
1909         
1910         /* Also add the folders from the local folders account,
1911          * because they are (currently) used with all accounts:
1912          * TODO: This is not working. It seems to get only the Merged Folder (with an ID of "" (not NULL)).
1913          */
1914         account_local = 
1915                 modest_tny_account_store_get_local_folders_account (modest_runtime_get_account_store());
1916         add_folders_to_list (TNY_FOLDER_STORE (account_local), &folder_names);
1917
1918         g_object_unref (account_local);
1919         account_local = NULL;
1920
1921         /* Obtain the mmc account */
1922         account_mmc = 
1923                 modest_tny_account_store_get_mmc_folders_account (modest_runtime_get_account_store());
1924         if (account_mmc) {
1925                 add_folders_to_list (TNY_FOLDER_STORE (account_mmc), &folder_names);
1926                 g_object_unref (account_mmc);
1927                 account_mmc = NULL;
1928         }
1929
1930         /* specs require us to sort the folder names, although
1931          * this is really not the place to do that...
1932          */
1933         folder_names = g_list_sort (folder_names,
1934                                     (GCompareFunc)folder_name_compare_func);
1935
1936         /* Put the result in a DBus reply: */
1937         reply = dbus_message_new_method_return (message);
1938
1939         get_folders_result_to_message (reply, folder_names);
1940
1941         if (reply == NULL) {
1942                 g_warning ("%s: Could not create reply.", __FUNCTION__);
1943         }
1944
1945         if (reply) {
1946                 dbus_uint32_t serial = 0;
1947                 dbus_connection_send (con, reply, &serial);
1948         dbus_connection_flush (con);
1949         dbus_message_unref (reply);
1950         }
1951
1952         g_list_foreach (folder_names, (GFunc)g_free, NULL);
1953         g_list_free (folder_names);
1954 }
1955
1956
1957 static void
1958 reply_empty_results (DBusConnection *con, DBusMessage *msg)
1959 {
1960         DBusMessage *reply = dbus_message_new_method_return (msg);
1961         if (reply) {
1962                 dbus_uint32_t serial = 0;
1963                 /* we simply return an empty list, otherwise
1964                    global-search gets confused */
1965                 search_result_to_message (reply, NULL);
1966
1967                 dbus_connection_send (con, reply, &serial);
1968                 dbus_connection_flush (con);
1969                 dbus_message_unref (reply);
1970         } else
1971                 g_warning ("%s: failed to send reply",
1972                         __FUNCTION__);
1973 }
1974
1975
1976 /** This D-Bus handler is used when the main osso-rpc 
1977  * D-Bus handler has not handled something.
1978  * We use this for D-Bus methods that need to use more complex types 
1979  * than osso-rpc supports.
1980  */
1981 DBusHandlerResult
1982 modest_dbus_req_filter (DBusConnection *con,
1983                         DBusMessage    *message,
1984                         void           *user_data)
1985 {
1986         gboolean handled = FALSE;
1987
1988         if (dbus_message_is_method_call (message,
1989                                          MODEST_DBUS_IFACE,
1990                                          MODEST_DBUS_METHOD_SEARCH)) {
1991                 
1992         /* don't try to search when there not enough mem */
1993                 if (modest_platform_check_memory_low (NULL, TRUE)) {
1994                         g_warning ("%s: not enough memory for searching",
1995                                    __FUNCTION__);
1996                         reply_empty_results (con, message);
1997                         handled = TRUE;
1998
1999                 } else {
2000                         on_dbus_method_search (con, message);
2001                         handled = TRUE;
2002                 }
2003                                 
2004         } else if (dbus_message_is_method_call (message,
2005                                                 MODEST_DBUS_IFACE,
2006                                                 MODEST_DBUS_METHOD_GET_FOLDERS)) {
2007                 on_dbus_method_get_folders (con, message);
2008                 handled = TRUE;                         
2009         } else if (dbus_message_is_method_call (message,
2010                                                 MODEST_DBUS_IFACE,
2011                                                 MODEST_DBUS_METHOD_DUMP_OPERATION_QUEUE)) {
2012                 on_dbus_method_dump_operation_queue (con, message);
2013                 handled = TRUE;
2014         } else if (dbus_message_is_method_call (message,
2015                                                 MODEST_DBUS_IFACE,
2016                                                 MODEST_DBUS_METHOD_DUMP_ACCOUNTS)) {
2017                 on_dbus_method_dump_accounts (con, message);
2018                 handled = TRUE;
2019         } else if (dbus_message_is_method_call (message,
2020                                                 MODEST_DBUS_IFACE,
2021                                                 MODEST_DBUS_METHOD_DUMP_SEND_QUEUES)) {
2022                 on_dbus_method_dump_send_queues (con, message);
2023                 handled = TRUE;
2024         } else {
2025                 /* Note that this mentions methods that were already handled in modest_dbus_req_handler(). */
2026                 /* 
2027                 g_debug ("  debug: %s: Unexpected (maybe already handled) D-Bus method:\n   Interface=%s, Member=%s\n", 
2028                         __FUNCTION__, dbus_message_get_interface (message),
2029                         dbus_message_get_member(message));
2030                 */
2031         }
2032         
2033         return (handled ? 
2034                 DBUS_HANDLER_RESULT_HANDLED :
2035                 DBUS_HANDLER_RESULT_NOT_YET_HANDLED);
2036 }
2037
2038 static gboolean
2039 notify_error_in_dbus_callback (gpointer user_data)
2040 {
2041         ModestMailOperation *mail_op;
2042         ModestMailOperationQueue *mail_op_queue;
2043
2044         mail_op = modest_mail_operation_new (NULL);
2045         mail_op_queue = modest_runtime_get_mail_operation_queue ();
2046
2047         /* Issues a noop operation in order to force the queue to emit
2048            the "queue-empty" signal to allow modest to quit */
2049         modest_mail_operation_queue_add (mail_op_queue, mail_op);
2050         modest_mail_operation_noop (mail_op);
2051         g_object_unref (mail_op);
2052
2053         return FALSE;
2054 }