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