* Gathered the argument checking code to one single function in the D-Bus methods
[modest] / src / dbus_api / modest-dbus-callbacks.c
index 1d874a9..9589b58 100644 (file)
@@ -32,8 +32,9 @@
 #include "modest-account-mgr.h"
 #include "modest-account-mgr-helpers.h"
 #include "modest-tny-account.h"
+#include "modest-tny-folder.h"
 #include "modest-ui-actions.h"
-
+#include "modest-debug.h"
 #include "modest-search.h"
 #include "widgets/modest-msg-edit-window.h"
 #include "modest-tny-msg.h"
 #include <stdio.h>
 #include <string.h>
 #include <glib/gstdio.h>
+#ifdef MODEST_HAVE_HILDON0_WIDGETS
+#include <libgnomevfs/gnome-vfs-mime-utils.h>
+#else
 #include <libgnomevfs/gnome-vfs-mime.h>
+#endif
 #include <tny-fs-stream.h>
 
 #include <tny-list.h>
 #include <tny-iterator.h>
 #include <tny-simple-list.h>
+#include <tny-merge-folder.h>
 
-typedef struct 
-{
-       gchar *to;
-       gchar *cc;
-       gchar *bcc;
-       gchar *subject;
-       gchar *body;
-       gchar *attachments;
-} SendMailIdleData;
+#include <modest-text-utils.h>
 
 typedef struct 
 {
@@ -69,108 +67,10 @@ typedef struct
        gchar *attachments;
 } ComposeMailIdleData;
 
-static gboolean
-on_idle_send_mail(gpointer user_data)
-{
-       SendMailIdleData *idle_data = (SendMailIdleData*)user_data;
-       
-       /* Get the TnyTransportAccount so we can instantiate a mail operation: */
-       ModestAccountMgr *account_mgr = modest_runtime_get_account_mgr();
-       gchar *account_name = modest_account_mgr_get_default_account (account_mgr);
-       if (!account_name) {
-               g_printerr ("modest: no account found\n");
-       }
-       
-       TnyTransportAccount *transport_account = NULL;
-       if (account_mgr) {
-               transport_account = TNY_TRANSPORT_ACCOUNT(modest_tny_account_store_get_transport_account_for_open_connection
-                                     (modest_runtime_get_account_store(),
-                                      account_name));
-       }
-       
-       if (!transport_account) {
-               g_printerr ("modest: no transport account found for '%s'\n", account_name);
-       }
-       
-       /* Create the mail operation: */
-       if (transport_account) {        
-               /* Use the mail operation: */
-               gchar * from = modest_account_mgr_get_from_string (account_mgr,
-                                                                 account_name);
-               if (!from) {
-                       g_printerr ("modest: no from address for account '%s'\n", account_name);
-               } else {
-                       ModestMailOperation *mail_operation = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_SEND, NULL);
-                       modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), mail_operation);
-                       
-                       modest_mail_operation_send_new_mail (mail_operation,
-                                            transport_account,
-                                            NULL,
-                                            from, /* from */
-                                            idle_data->to, idle_data->cc, idle_data->bcc, idle_data->subject, 
-                                            idle_data->body, /* plain_body */
-                                            NULL, /* html_body */
-                                            NULL, /* attachments_list, GSList of TnyMimePart. */
-                                            (TnyHeaderFlags)0);
-                                            
-                       g_free (from);
-                       g_object_unref (G_OBJECT (mail_operation));
-               }
-                                    
-               g_object_unref (G_OBJECT (transport_account));
-       }
-       
-       g_free (account_name);
-       
-       /* Free the idle data: */
-       g_free (idle_data->to);
-       g_free (idle_data->cc);
-       g_free (idle_data->bcc);
-       g_free (idle_data->subject);
-       g_free (idle_data->body);
-       g_free (idle_data->attachments);
-       g_free (idle_data);
-       
-       return FALSE; /* Do not call this callback again. */
-}
 
-/* TODO: Is this actually used by anything?
- * I guess that everything uses *_compose_mail() instead. murrayc.
- */
-static gint on_send_mail(GArray * arguments, gpointer data, osso_rpc_t * retval)
-{
-       if (arguments->len != MODEST_DEBUS_SEND_MAIL_ARGS_COUNT)
-       return OSSO_ERROR;
-       
-    /* Use g_idle to context-switch into the application's thread: */
-       SendMailIdleData *idle_data = g_new0(SendMailIdleData, 1); /* Freed in the idle callback. */
-       
-    /* Get the arguments: */
-       osso_rpc_t val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_SEND_MAIL_ARG_TO);
-       idle_data->to = g_strdup (val.value.s);
-       
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_SEND_MAIL_ARG_CC);
-       idle_data->cc = g_strdup (val.value.s);
-       
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_SEND_MAIL_ARG_BCC);
-       idle_data->bcc = g_strdup (val.value.s);
-       
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_SEND_MAIL_ARG_SUBJECT);
-       idle_data->subject = g_strdup (val.value.s);
-       
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_SEND_MAIL_ARG_BODY);
-       idle_data->body = g_strdup (val.value.s);
-       
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_SEND_MAIL_ARG_ATTACHMENTS);
-       idle_data->attachments = g_strdup (val.value.s);
-       
-       /* printf("  debug: to=%s\n", idle_data->to); */
-       g_idle_add(on_idle_send_mail, (gpointer)idle_data);
-       
-       /* Note that we cannot report failures during sending, 
-        * because that would be asynchronous. */
-       return OSSO_OK;
-}
+static gboolean notify_error_in_dbus_callback (gpointer user_data);
+static gboolean on_idle_compose_mail(gpointer user_data);
+static gboolean on_idle_top_application (gpointer user_data);
 
 /** uri_unescape:
  * @uri An escaped URI. URIs should always be escaped.
@@ -181,7 +81,8 @@ static gint on_send_mail(GArray * arguments, gpointer data, osso_rpc_t * retval)
  * 
  * Return value: An unescaped string. This should be freed with g_free().
  */
-static gchar* uri_unescape(const gchar* uri, size_t len)
+static gchar* 
+uri_unescape(const gchar* uri, size_t len)
 {
        if (!uri)
                return NULL;
@@ -209,194 +110,138 @@ static gchar* uri_unescape(const gchar* uri, size_t len)
  * 
  * Return value: The to address, unescaped. This should be freed with g_free().
  */
-static gchar* uri_parse_mailto (const gchar* mailto, GSList** list_items_and_values)
+static gchar* 
+uri_parse_mailto (const gchar* mailto, GSList** list_items_and_values)
 {
-       const gchar* start_to = NULL;
-       /* Remove the mailto: prefix: 
-        * 7 is the length of "mailto:": */
-       if (strncmp (mailto, "mailto:", 7) == 0) {
-               start_to = mailto + 7;
-       }
-       
-       if (!start_to)
+       /* The URL must begin with mailto: */
+       if (strncmp (mailto, "mailto:", 7) != 0) {
                return NULL;
-       
+       }
+       const gchar* start_to = mailto + 7;
+
        /* Look for ?, or the end of the string, marking the end of the to address: */
        const size_t len_to = strcspn (start_to, "?");
        gchar* result_to = uri_unescape (start_to, len_to);
        printf("debug: result_to=%s\n", result_to);
-       
+
+       if (list_items_and_values == NULL) {
+               return result_to;
+       }
+
        /* Get any other items: */
        const size_t len_mailto = strlen (start_to);
        const gchar* p = start_to + len_to + 1; /* parsed so far. */
        const gchar* end = start_to + len_mailto;
-       /* GSList *items = NULL; */
-       const gchar* start_item_name = p;
-       size_t len_item_name = 0;
-       const gchar* start_item_value = NULL;
        while (p < end) {
-               
-               /* Looking for the end of a name; */
-               if (start_item_name) {
-                       const size_t len = strcspn (p, "="); /* Returns whole string if none found. */
-                       if (len) {
-                               /* This marks the end of a name and the start of the value: */
-                               len_item_name = len;
-                               
-                               /* Skip over the name and mark the start of the value: */
-                               p += (len + 1); /* Skip over the = */
-                               start_item_value = p;
-                       }
+               const gchar *name, *value, *name_start, *name_end, *value_start, *value_end;
+               name_start = p;
+               name_end = strchr (name_start, '='); /* Separator between name and value */
+               if (name_end == NULL) {
+                       g_debug ("Malformed URI: %s\n", mailto);
+                       return result_to;
                }
-               
-               /* Looking for the end of a value: */
-               if (start_item_value) {
-                       const size_t len = strcspn (p, "?"); /* Returns whole string if none found. */
-                       /* ? marks the start of a new item: */
-                       if (len) {
-                               if (start_item_name && len_item_name) {
-                                       /* Finish the previously-started item: */
-                                       gchar *item_value = uri_unescape (start_item_value, len);
-                                       gchar *item_name = g_strndup (start_item_name, len_item_name);
-                                       /* printf ("debug: item name=%s, value=%s\n", item_name, item_value); */
-                                       
-                                       /* Append the items to the list */
-                                       if(list_items_and_values) {
-                                               *list_items_and_values = g_slist_append (*list_items_and_values, item_name);
-                                               *list_items_and_values = g_slist_append (*list_items_and_values, item_value);
-                                       }
-                               }
-                               
-                               /* Skip over the value and mark the start of a possible new name/value pair: */
-                               p += (len + 1); /* Skip over the ? */
-                               start_item_name = p;
-                               len_item_name = 0;
-                               start_item_value = NULL;
-                       }
+               value_start = name_end + 1;
+               value_end = strchr (value_start, '&'); /* Separator between value and next parameter */
+
+               name = g_strndup(name_start, name_end - name_start);
+               if (value_end != NULL) {
+                       value = uri_unescape(value_start, value_end - value_start);
+                       p = value_end + 1;
+               } else {
+                       value = uri_unescape(value_start, -1);
+                       p = end;
                }
-               
+               *list_items_and_values = g_slist_append (*list_items_and_values, (gpointer) name);
+               *list_items_and_values = g_slist_append (*list_items_and_values, (gpointer) value);
        }
        
        return result_to;
 }
 
-
 static gboolean
-on_idle_mail_to(gpointer user_data)
+check_and_offer_account_creation()
 {
-       /* This is based on the implemenation of main.c:start_uil(): */
+       gboolean result = TRUE;
        
-       gchar *uri = (gchar*)user_data;
-       GSList *list_names_and_values = NULL;
-       gchar *to = uri_parse_mailto (uri, &list_names_and_values);
+       /* This is called from idle handlers, so lock gdk: */
+       gdk_threads_enter ();
        
-       /* Get the TnyTransportAccount so we can instantiate a mail operation: */
-       ModestAccountMgr *account_mgr = modest_runtime_get_account_mgr();
-       gchar *account_name = modest_account_mgr_get_default_account (account_mgr);
-       if (!account_name) {
-               g_printerr ("modest: no account found\n");
+       if (!modest_account_mgr_has_accounts(modest_runtime_get_account_mgr(), TRUE)) {
+               const gboolean created = modest_ui_actions_run_account_setup_wizard (NULL);
+               if (!created) {
+                       g_debug ("modest: %s: no account exists even after offering, "
+                                "or account setup was already underway.\n", __FUNCTION__);
+                       result = FALSE;
+               }
        }
        
-       TnyAccount *account = NULL;
-       if (account_mgr) {
-               account = modest_tny_account_store_get_transport_account_for_open_connection (
-                       modest_runtime_get_account_store(), account_name);
-       }
+       gdk_threads_leave ();
        
-       if (!account) {
-               g_printerr ("modest: failed to get tny account folder'\n", account_name);
-       } else {
-               gchar * from = modest_account_mgr_get_from_string (account_mgr,
-                                                                 account_name);
-               if (!from) {
-                       g_printerr ("modest: no from address for account '%s'\n", account_name);
-               } else {
-                       const gchar *cc = NULL;
-                       const gchar *bcc = NULL;
-                       const gchar *subject = NULL;
-                       const gchar *body = NULL;
-                       
-                       /* Get the relevant items from the list: */
-                       GSList *list = list_names_and_values;
-                       while (list) {
-                               const gchar * name = (const gchar*)list->data;
-                               GSList *list_value = g_slist_next (list);
-                               const gchar * value = (const gchar*)list_value->data;
-                               
-                               if (strcmp (name, "cc") == 0) {
-                                       cc = value;
-                               } else if (strcmp (name, "bcc") == 0) {
-                                       bcc = value;
-                               } else if (strcmp (name, "subject") == 0) {
-                                       subject = value;
-                               } else if (strcmp (name, "body") == 0) {
-                                       body = value;
-                               }
-                               
-                               /* Go to the next pair: */
-                               if (list_value) {
-                                       list = g_slist_next (list_value);
-                               } else 
-                                       list = NULL;
-                       }
-                       
-                       /* Create the message: */
-                       TnyMsg *msg  = modest_tny_msg_new (to, from, 
-                               cc, bcc, subject, body, 
-                               NULL /* attachments */);
-                               
-                       if (!msg) {
-                               g_printerr ("modest: failed to create message\n");
-                       } else
-                       {
-                               /* Add the message to a folder and show its UI for editing: */
-                               TnyFolder *folder = modest_tny_account_get_special_folder (account,
-                                                                       TNY_FOLDER_TYPE_DRAFTS);
-                               if (!folder) {
-                                       g_printerr ("modest: failed to find Drafts folder\n");
-                               } else {
-                       
-                                       tny_folder_add_msg (folder, msg, NULL); /* TODO: check err */
-               
-                                       ModestWindow *win = modest_msg_edit_window_new (msg, account_name);
-                                       gtk_widget_show_all (GTK_WIDGET (win));
-                               
-                                       g_object_unref (G_OBJECT(folder));
-                               }
-                       
-                               g_object_unref (G_OBJECT(msg));
-                       }
-                       
-                       g_object_unref (G_OBJECT(account));
+       return result;
+}
+
+static gboolean
+on_idle_mail_to(gpointer user_data)
+{
+       gchar *uri = (gchar*)user_data;
+       GSList *list_names_and_values = NULL;
+       gchar *to = NULL;
+       const gchar *cc = NULL;
+       const gchar *bcc = NULL;
+       const gchar *subject = NULL;
+       const gchar *body = NULL;
+
+       if (!check_and_offer_account_creation ()) {
+               g_idle_add (notify_error_in_dbus_callback, NULL);
+               goto cleanup;
+       }
+
+       /* Get the relevant items from the list: */
+       to = uri_parse_mailto (uri, &list_names_and_values);
+       GSList *list = list_names_and_values;
+       while (list) {
+               GSList *list_value = g_slist_next (list);
+               const gchar * name = (const gchar*)list->data;
+               const gchar * value = (const gchar*)list_value->data;
+
+               if (strcmp (name, "cc") == 0) {
+                       cc = value;
+               } else if (strcmp (name, "bcc") == 0) {
+                       bcc = value;
+               } else if (strcmp (name, "subject") == 0) {
+                       subject = value;
+               } else if (strcmp (name, "body") == 0) {
+                       body = value;
                }
-       }
-       
-       g_free (account_name);
-       
-       /* Free the list, as required by the uri_parse_mailto() documentation: */
-       if (list_names_and_values)
-               g_slist_foreach (list_names_and_values, (GFunc)g_free, NULL);
-       g_slist_free (list_names_and_values);
-       
-       g_free(to);
-               
+
+               list = g_slist_next (list_value);
+       }
+
+       gdk_threads_enter (); /* CHECKED */
+       modest_ui_actions_compose_msg(NULL, to, cc, bcc, subject, body, NULL);
+       gdk_threads_leave (); /* CHECKED */
+
+cleanup:
+       /* Free the to: and the list, as required by uri_parse_mailto() */
+       g_free(to);
+       g_slist_foreach (list_names_and_values, (GFunc)g_free, NULL);
+       g_slist_free (list_names_and_values);
+
        g_free(uri);
 
        return FALSE; /* Do not call this callback again. */
 }
 
-static gint on_mail_to(GArray * arguments, gpointer data, osso_rpc_t * retval)
+static gint 
+on_mail_to(GArray * arguments, gpointer data, osso_rpc_t * retval)
 {
-       if (arguments->len != MODEST_DEBUS_MAIL_TO_ARGS_COUNT)
-       return OSSO_ERROR;
-       
-    /* Use g_idle to context-switch into the application's thread: */
-    /* Get the arguments: */
-       osso_rpc_t val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_MAIL_TO_ARG_URI);
-       gchar *uri = g_strdup (val.value.s);
+       osso_rpc_t val;
+       gchar *uri;
+
+       /* Get arguments */
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_MAIL_TO_ARG_URI);
+       uri = g_strdup (val.value.s);
        
-       /* printf("  debug: to=%s\n", idle_data->to); */
        g_idle_add(on_idle_mail_to, (gpointer)uri);
        
        /* Note that we cannot report failures during sending, 
@@ -405,129 +250,86 @@ static gint on_mail_to(GArray * arguments, gpointer data, osso_rpc_t * retval)
 }
 
 
-
-
-
 static gboolean
 on_idle_compose_mail(gpointer user_data)
 {
+       GSList *attachments = NULL;
        ComposeMailIdleData *idle_data = (ComposeMailIdleData*)user_data;
-       gchar **list = NULL;
-       gint i = 0;
 
-       /* Get the TnyTransportAccount so we can instantiate a mail operation: */
-       ModestAccountMgr *account_mgr = modest_runtime_get_account_mgr();
-       gchar *account_name = modest_account_mgr_get_default_account (account_mgr);
-       if (!account_name) {
-               g_printerr ("modest: no account found\n");
+       if (!check_and_offer_account_creation ()) {
+               g_idle_add (notify_error_in_dbus_callback, NULL);
+               goto cleanup;
        }
-       
-       TnyAccount *account = NULL;
-       if (account_mgr) {
-               account = modest_tny_account_store_get_transport_account_for_open_connection (
-                       modest_runtime_get_account_store(), account_name);
+
+       /* it seems Sketch at least sends a leading ',' -- take that into account,
+        * ie strip that ,*/
+       if (idle_data->attachments && idle_data->attachments[0]==',') {
+               gchar *tmp = g_strdup (idle_data->attachments + 1);
+               g_free(idle_data->attachments);
+               idle_data->attachments = tmp;
        }
-       
-       if (!account) {
-               g_printerr ("modest: failed to get tny account folder'%s'\n", account_name);
-       } else {
-               gchar * from = modest_account_mgr_get_from_string (account_mgr,
-                                                                 account_name);
-               if (!from) {
-                       g_printerr ("modest: no from address for account '%s'\n", account_name);
-               } else {
-       
-                       /* Create the message: */
-                       TnyMsg *msg  = modest_tny_msg_new (idle_data->to, from, 
-                               idle_data->cc, idle_data->bcc, idle_data->subject, idle_data->body, 
-                               NULL); /* NULL because m_t_m_n doesn't use it */
-                               
-                       if (!msg) {
-                               g_printerr ("modest: failed to create message\n");
-                       } else
-                       {
-                               /* Add the message to a folder and show its UI for editing: */
-                               TnyFolder *folder = modest_tny_account_get_special_folder (account,
-                                                                       TNY_FOLDER_TYPE_DRAFTS);
-                               if (!folder) {
-                                       g_printerr ("modest: failed to find Drafts folder\n");
-                               } else {
-                       
-                                       tny_folder_add_msg (folder, msg, NULL); /* TODO: check err */
-               
-                                       ModestWindow *win = modest_msg_edit_window_new (msg, account_name);
-
-                                       list = g_strsplit(idle_data->attachments, ",", 0);
-                                       for (i=0; list[i] != NULL; i++) {
-                                               modest_msg_edit_window_attach_file_noninteractive(
-                                                               (ModestMsgEditWindow *)win, list[i]);
-                                       }
-                                       g_strfreev(list);
-                                       
-                                       gtk_widget_show_all (GTK_WIDGET (win));
-                               
-                                       g_object_unref (G_OBJECT(folder));
-                               }
-                       
-                               g_object_unref (G_OBJECT(msg));
-                       }
-                       
-                       g_object_unref (G_OBJECT(account));
+       if (idle_data->attachments != NULL) {
+               gchar **list = g_strsplit(idle_data->attachments, ",", 0);
+               gint i = 0;
+               for (i=0; list[i] != NULL; i++) {
+                       attachments = g_slist_append(attachments, g_strdup(list[i]));
                }
-       }
-
-       /* Free the idle data: */
+               g_strfreev(list);
+       }
+       gdk_threads_enter (); /* CHECKED */
+       modest_ui_actions_compose_msg(NULL, idle_data->to, idle_data->cc,
+                                     idle_data->bcc, idle_data->subject,
+                                     idle_data->body, attachments);
+       gdk_threads_leave (); /* CHECKED */
+cleanup:
+       g_slist_foreach(attachments, (GFunc)g_free, NULL);
+       g_slist_free(attachments);
        g_free (idle_data->to);
        g_free (idle_data->cc);
        g_free (idle_data->bcc);
        g_free (idle_data->subject);
        g_free (idle_data->body);
        g_free (idle_data->attachments);
-       g_free (idle_data);
-       
-       g_free (account_name);
+       g_free(idle_data);
+
        return FALSE; /* Do not call this callback again. */
 }
 
-static gint on_compose_mail(GArray * arguments, gpointer data, osso_rpc_t * retval)
+static gint 
+on_compose_mail(GArray * arguments, gpointer data, osso_rpc_t * retval)
 {
-
-       
-       if (arguments->len != MODEST_DEBUS_COMPOSE_MAIL_ARGS_COUNT)
-       return OSSO_ERROR;
+       ComposeMailIdleData *idle_data;
+       osso_rpc_t val;
        
-       /* Use g_idle to context-switch into the application's thread: */
-       ComposeMailIdleData *idle_data = g_new0(ComposeMailIdleData, 1); /* Freed in the idle callback. */
+       idle_data = g_new0(ComposeMailIdleData, 1); /* Freed in the idle callback. */
        
        /* Get the arguments: */
-       osso_rpc_t val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_COMPOSE_MAIL_ARG_TO);
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_TO);
        idle_data->to = g_strdup (val.value.s);
        
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_COMPOSE_MAIL_ARG_CC);
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_CC);
        idle_data->cc = g_strdup (val.value.s);
        
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_COMPOSE_MAIL_ARG_BCC);
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_BCC);
        idle_data->bcc = g_strdup (val.value.s);
        
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_COMPOSE_MAIL_ARG_SUBJECT);
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_SUBJECT);
        idle_data->subject = g_strdup (val.value.s);
        
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_COMPOSE_MAIL_ARG_BODY);
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_BODY);
        idle_data->body = g_strdup (val.value.s);
        
-       val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_COMPOSE_MAIL_ARG_ATTACHMENTS);
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_COMPOSE_MAIL_ARG_ATTACHMENTS);
        idle_data->attachments = g_strdup (val.value.s);
 
+       /* Use g_idle to context-switch into the application's thread: */
        g_idle_add(on_idle_compose_mail, (gpointer)idle_data);
        
-       /* Note that we cannot report failures during sending, 
-        * because that would be asynchronous. */
        return OSSO_OK;
 }
 
-
 static TnyMsg *
-find_message_by_url (const char *uri, TnyAccount **ac_out)
+find_message_by_url (const char *uri,  TnyAccount **ac_out)
 {
        ModestTnyAccountStore *astore;
        TnyAccount            *account;
@@ -544,22 +346,35 @@ find_message_by_url (const char *uri, TnyAccount **ac_out)
                return NULL;
        }
 
+       if (uri && g_str_has_prefix (uri, "merge://")) {
+               /* we assume we're talking about outbox folder, as this 
+                * is the only merge folder we work with in modest */
+               return modest_tny_account_store_find_msg_in_outboxes (astore, uri, ac_out);
+       }
+       
+       /* TODO: When tinymail is built with the extra DBC assertion checks, 
+        * this will crash for local folders (such as drafts),
+        * because tny_folder_get_url_string() (in add_hit())
+        * returns mail:/home/murrayc/yaddayadda 
+        * instead of mail://localhost/home/murrayc/yaddayadd,
+        * but I'm not sure where that folder URI is built. murrayc.
+        */
        account = tny_account_store_find_account (TNY_ACCOUNT_STORE (astore),
                                                  uri);
        
        if (account == NULL) {
-               g_debug ("%s: tny_account_store_find_account() failed.\n", __FUNCTION__);
+               g_debug ("%s: tny_account_store_find_account() failed for\n  uri=%s\n", 
+                       __FUNCTION__, uri);
                return NULL;
        }
 
-       g_debug ("%s: Found account.\n", __FUNCTION__);
+       MODEST_DEBUG_BLOCK (g_debug ("%s: Found account.\n", __FUNCTION__););
 
        if ( ! TNY_IS_STORE_ACCOUNT (account)) {
                goto out;
        }
 
-       g_debug ("%s: Account is store account.\n", __FUNCTION__);
-
+       MODEST_DEBUG_BLOCK (g_debug ("%s: Account is store account.\n", __FUNCTION__););
        *ac_out = account;
 
        folder = tny_store_account_find_folder (TNY_STORE_ACCOUNT (account),
@@ -567,19 +382,22 @@ find_message_by_url (const char *uri, TnyAccount **ac_out)
                                                &err);
 
        if (folder == NULL) {
-               g_debug ("%s: tny_store_account_find_folder() failed\naccount=%s, uri=%s.\n", __FUNCTION__, 
+               g_debug ("%s: tny_store_account_find_folder() failed for\n  account=%s, uri=%s.\n", __FUNCTION__, 
                        tny_account_get_id (TNY_ACCOUNT(account)), uri);
                goto out;
        }
-       g_debug ("%s: Found folder. (%s)\n",  __FUNCTION__, uri);
        
-
+       MODEST_DEBUG_BLOCK (g_debug ("%s: Found folder. (%s)\n",  __FUNCTION__, uri););
+       
        msg = tny_folder_find_msg (folder, uri, &err);
        
-       if (!msg) {
-               g_debug ("%s: tny_folder_find_msg() failed for folder %s\n  with error=%s.\n",
-                        __FUNCTION__, tny_folder_get_id (folder), err->message);
-       }
+       if (!msg)
+               MODEST_DEBUG_BLOCK (
+                                   g_debug ("%s: tny_folder_find_msg() failed for "\
+                                            "folder %s\n  with error=%s.\n",
+                                            __FUNCTION__, tny_folder_get_id (folder), 
+                                            err->message);
+                                   );
 
 out:
        if (err)
@@ -590,9 +408,8 @@ out:
                *ac_out = NULL;
        }
 
-       if (folder) {
+       if (folder)
                g_object_unref (folder);
-       }
 
        return msg;
 }
@@ -600,249 +417,422 @@ out:
 static gboolean
 on_idle_open_message (gpointer user_data)
 {
-       ModestWindow *msg_view;
-       TnyMsg       *msg;
-       TnyAccount   *account;
-       TnyHeader    *header; 
-       const char   *msg_uid;
-       const char   *account_name;
-       char         *uri;
-       
+       TnyMsg       *msg = NULL;
+       TnyAccount   *account = NULL;
+       TnyHeader    *header = NULL; 
+       const char   *msg_uid = NULL;
+       char         *uri = NULL;
+       ModestWindowMgr *win_mgr = NULL;
+       TnyFolder    *folder = NULL;
+       gboolean is_draft = FALSE;
+       gboolean already_opened = FALSE;
+       ModestWindow *msg_view = NULL;
+
        uri = (char *) user_data;
 
-       g_debug ("%s: Trying to find msg by url: %s", __FUNCTION__, uri);       
        msg = find_message_by_url (uri, &account);
        g_free (uri);
 
        if (msg == NULL) {
-               g_debug ("  %s: message not found.", __FUNCTION__);
+               g_warning ("modest:  %s: message not found.", __FUNCTION__);
+               g_idle_add (notify_error_in_dbus_callback, NULL);
                return FALSE;
        }
-       g_debug ("  %s: Found message.", __FUNCTION__);
+       
+       folder = tny_msg_get_folder (msg);
+       
+       /* Drafts will be opened in the editor, instead of the viewer, as per the UI spec: */
+       /* FIXME: same should happen for Outbox; not enabling that, as the handling
+        * of edited messages is not clear in that case */
+       if (folder && modest_tny_folder_is_local_folder (folder) &&
+               (modest_tny_folder_get_local_or_mmc_folder_type (folder) == TNY_FOLDER_TYPE_DRAFTS)) {
+               is_draft = TRUE;
+       }
 
        header = tny_msg_get_header (msg);
-       account_name = tny_account_get_name (account);
-       msg_uid = tny_header_get_uid (header);
        
-       msg_view = modest_msg_view_window_new (msg,
-                                              account_name,
-                                              msg_uid);
-       /* TODO: does that leak the msg_view ?! */
+       /* TODO:  The modest_tny_folder_get_header_unique_id() documentation warns against 
+        * using it with tny_msg_get_header(), and there is a 
+        * " camel_folder_get_full_name: assertion `CAMEL_IS_FOLDER (folder)' failed" runtime warning,
+        * but it seems to work.
+        */     
+       msg_uid =  modest_tny_folder_get_header_unique_id(header); 
+       
+       win_mgr = modest_runtime_get_window_mgr ();
+
+       /* This is a GDK lock because we are an idle callback and
+        * the code below is or does Gtk+ code */
 
-       gtk_widget_show_all (GTK_WIDGET (msg_view));
+       gdk_threads_enter (); /* CHECKED */
+
+       if (modest_window_mgr_find_registered_header (win_mgr, header, &msg_view)) {
+               if (msg_view) {
+                       g_debug ("modest: %s: A window for this message is open already: type=%s", 
+                       __FUNCTION__, G_OBJECT_TYPE_NAME (msg_view));
+               }
+               
+               if (!msg_view)
+                       g_debug ("modest_window_mgr_find_registered_header(): Returned TRUE, but msg_view is NULL");
+               else if (!MODEST_IS_MSG_VIEW_WINDOW (msg_view) && !MODEST_IS_MSG_EDIT_WINDOW (msg_view))
+                       g_debug ("  DEBUG: But the window is not a msg view or edit window.");
+               else {
+                       gtk_window_present (GTK_WINDOW(msg_view));
+                       already_opened = TRUE;
+               }
+       }
+       
+       if (!already_opened) {
+               const gchar *modest_account_name;
+
+               /* g_debug ("creating new window for this msg"); */
+               modest_window_mgr_register_header (win_mgr, header, NULL);
+               
+               modest_account_name = 
+                       modest_tny_account_get_parent_modest_account_name_for_server_account (account);
+                       
+               /* Drafts will be opened in the editor, and others will be opened in the viewer, 
+                * as per the UI spec: */
+               if (is_draft) {
+                       /* TODO: Maybe the msg_uid should be registered for edit windows too,
+                        * so we can open the same window again next time: */
+                       msg_view = modest_msg_edit_window_new (msg, modest_account_name, TRUE);
+               } else {
+                       msg_view = modest_msg_view_window_new_for_search_result (msg, modest_account_name,
+                                                      msg_uid);
+               }               
+               modest_window_mgr_register_window (win_mgr, msg_view);
+               gtk_widget_show_all (GTK_WIDGET (msg_view));
+       }
+
+       gdk_threads_leave (); /* CHECKED */
 
        g_object_unref (header);
        g_object_unref (account);
-       
+       g_object_unref (folder);
+
        return FALSE; /* Do not call this callback again. */
 }
 
-static gint on_open_message(GArray * arguments, gpointer data, osso_rpc_t * retval)
+static gint 
+on_open_message (GArray * arguments, gpointer data, osso_rpc_t * retval)
 {
-       if (arguments->len != MODEST_DEBUS_OPEN_MESSAGE_ARGS_COUNT)
-       return OSSO_ERROR;
-       
-    /* Use g_idle to context-switch into the application's thread: */
+       osso_rpc_t val;
+       gchar *uri;
 
-    /* Get the arguments: */
-       osso_rpc_t val = g_array_index(arguments, osso_rpc_t, MODEST_DEBUS_OPEN_MESSAGE_ARG_URI);
-       gchar *uri = g_strdup (val.value.s);
+       /* Get the arguments: */
+       val = g_array_index(arguments, osso_rpc_t, MODEST_DBUS_OPEN_MESSAGE_ARG_URI);
+       uri = g_strdup (val.value.s);
        
-       /* printf("  debug: to=%s\n", idle_data->to); */
+       /* Use g_idle to context-switch into the application's thread */
        g_idle_add(on_idle_open_message, (gpointer)uri);
        
-       /* Note that we cannot report failures during sending, 
-        * because that would be asynchronous. */
        return OSSO_OK;
 }
 
-
-static gint
-on_delete_message (GArray *arguments, gpointer data, osso_rpc_t *retval)
+static gboolean
+on_idle_delete_message (gpointer user_data)
 {
-       TnyList      *headers;
-       TnyFolder    *folder;
-       TnyIterator  *iter; 
-       TnyHeader    *header;
-       TnyHeader    *msg_header;
-       TnyMsg       *msg;
-       TnyAccount   *account;
-       GError       *error;
-       osso_rpc_t    val;
-       const char   *uri;
-       const char   *uid;
-       gint          res;
-
-       if (arguments->len != MODEST_DEBUS_DELETE_MESSAGE_ARGS_COUNT) {
-               return OSSO_ERROR;
-       }
-
-       val = g_array_index (arguments,
-                            osso_rpc_t,
-                            MODEST_DEBUS_DELETE_MESSAGE_ARG_URI);
-
-       uri = (const char *) val.value.s;
+       TnyList *headers = NULL;
+       TnyFolder *folder = NULL;
+       TnyIterator *iter = NULL; 
+       TnyHeader *header = NULL, *msg_header = NULL;
+       TnyMsg *msg = NULL;
+       TnyAccount *account = NULL;
+       const char *uri = NULL, *uid = NULL;
+       gint res = 0;
+       ModestMailOperation *mail_op = NULL;
+       ModestWindow *main_win = NULL, *msg_view = NULL;
 
-       g_debug ("Searching message (delete message)");
+       uri = (char *) user_data;
        
        msg = find_message_by_url (uri, &account);
 
-       if (msg == NULL) {
-               return OSSO_ERROR;
+       if (!msg) {
+               g_warning ("%s: Could not find message '%s'", __FUNCTION__, uri);
+               g_idle_add (notify_error_in_dbus_callback, NULL);
+               return OSSO_ERROR; 
        }
-
-       g_debug ("Found message");
+       
+       main_win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr(),
+                                                     FALSE); /* don't create */
        
        msg_header = tny_msg_get_header (msg);
        uid = tny_header_get_uid (msg_header);
        folder = tny_msg_get_folder (msg);
 
+       if (!folder) {
+               g_warning ("%s: Could not find folder (uri:'%s')", __FUNCTION__, uri);
+               g_object_unref (msg);
+               g_idle_add (notify_error_in_dbus_callback, NULL);
+               return OSSO_ERROR; 
+       }
 
-       /* tny_msg_get_header () flaw:
-        * From tinythingy doc: You can't use the returned instance with the
-        * TnyFolder operations
-        *
-        * To get a header instance that will work with these folder methods,
-        * you can use tny_folder_get_headers.
-        *
-        * Ok, we will do so then. Sigh.
-        * */
        headers = tny_simple_list_new ();
-
        tny_folder_get_headers (folder, headers, TRUE, NULL);
        iter = tny_list_create_iterator (headers);
        header = NULL;
 
-       g_debug ("Searching header for msg in folder");
        while (!tny_iterator_is_done (iter)) {
-               const char *cur_id;
+               const char *cur_id = NULL;
 
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               cur_id = tny_header_get_uid (header);
+               if (header)
+                       cur_id = tny_header_get_uid (header);
                
                if (cur_id && uid && g_str_equal (cur_id, uid)) {
-                       g_debug ("Found correspoding header from folder");
+                       /* g_debug ("Found corresponding header from folder"); */
                        break;
                }
 
-               header = NULL;
-               g_object_unref (header);
+               if (header) {
+                       g_object_unref (header);
+                       header = NULL;
+               }
+               
                tny_iterator_next (iter);
        }
 
        g_object_unref (iter);
+       iter = NULL;
        g_object_unref (headers);
+       headers = NULL;
        
        g_object_unref (msg_header);
+       msg_header = NULL;
        g_object_unref (msg);
+       msg = NULL;
 
        if (header == NULL) {
-               g_object_unref (folder);
+               if (folder)
+                       g_object_unref (folder);
+               g_idle_add (notify_error_in_dbus_callback, NULL);                       
                return OSSO_ERROR;
        }
-
-
-       error = NULL;
+               
        res = OSSO_OK;
-       tny_folder_remove_msg (folder, header, &error);
 
-       if (error != NULL) {
-               res = OSSO_ERROR;
-               g_error_free (error);
-       }
+       /* This is a GDK lock because we are an idle callback and
+        * the code below is or does Gtk+ code */
+       gdk_threads_enter (); /* CHECKED */
 
-       g_object_unref (folder);
+       mail_op = modest_mail_operation_new (main_win ? G_OBJECT(main_win) : NULL);
+       modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), mail_op);
+       modest_mail_operation_remove_msg (mail_op, header, FALSE);
+       g_object_unref (G_OBJECT (mail_op));
+       
+       if (main_win) { /* no need if there's no window */ 
+               if (modest_window_mgr_find_registered_header (modest_runtime_get_window_mgr(),
+                                                             header, &msg_view)) {
+                       if (MODEST_IS_MSG_VIEW_WINDOW (msg_view))
+                               modest_ui_actions_refresh_message_window_after_delete (MODEST_MSG_VIEW_WINDOW (msg_view));
+               }
+       }
+       gdk_threads_leave (); /* CHECKED */
+       
+       if (header)
+               g_object_unref (header);
+       
+       if (folder) {
+               /* Trick: do a poke status in order to speed up the signaling
+                  of observers.
+                  A delete via the menu does this, in do_headers_action(), 
+                  though I don't know why.
+                */
+               tny_folder_poke_status (folder);
+       
+               g_object_unref (folder);
+       }
+       
+       if (account)
+               g_object_unref (account);
+               
+       /* Refilter the header view explicitly, to make sure that 
+        * deleted emails are really removed from view. 
+        * (They are not really deleted until contact is made with the server, 
+        * so they would appear with a strike-through until then):
+        */
+       if (main_win) { /* only needed when there's a mainwindow / UI */
+
+               /* This is a GDK lock because we are an idle callback and
+                * the code below is or does Gtk+ code */
+               gdk_threads_enter (); /* CHECKED */
+               ModestHeaderView *header_view = (ModestHeaderView *)
+                       modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(main_win),
+                                                            MODEST_MAIN_WINDOW_WIDGET_TYPE_HEADER_VIEW);
+               if (header_view && MODEST_IS_HEADER_VIEW (header_view))
+                       modest_header_view_refilter (header_view);
+               gdk_threads_leave ();
+       }
+       
        return res;
 }
 
+
+
+
+static gint
+on_delete_message (GArray *arguments, gpointer data, osso_rpc_t *retval)
+{
+       /* Get the arguments: */
+       osso_rpc_t val = g_array_index (arguments,
+                            osso_rpc_t,
+                            MODEST_DBUS_DELETE_MESSAGE_ARG_URI);
+       gchar *uri = g_strdup (val.value.s);
+       
+       /* Use g_idle to context-switch into the application's thread: */
+       g_idle_add(on_idle_delete_message, (gpointer)uri);
+       
+       return OSSO_OK;
+}
+
 static gboolean
 on_idle_send_receive(gpointer user_data)
 {
-       ModestWindow *win;
-
-       /* Pick the main window if it exists */
-       win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
-
-       /* Send & receive all if "Update automatically" is set */
-       /* TODO: check the auto-update parameter in the configuration */
-       modest_ui_actions_do_send_receive_all (win);
+       ModestWindow *main_win =
+               modest_window_mgr_get_main_window (modest_runtime_get_window_mgr (),
+                                                  FALSE); /* don't create */
+
+       /* Send & receive all */
+       gdk_threads_enter (); /* CHECKED */
+       modest_ui_actions_do_send_receive_all (main_win);
+       gdk_threads_leave (); /* CHECKED */
        
-       return FALSE; /* Do not call this callback again. */
+       return FALSE;
 }
 
-static gint on_send_receive(GArray * arguments, gpointer data, osso_rpc_t * retval)
+static gint 
+on_send_receive(GArray *arguments, gpointer data, osso_rpc_t * retval)
 {      
-    /* Use g_idle to context-switch into the application's thread: */
-
-    /* This method has no arguments. */
-       
-       /* printf("  debug: to=%s\n", idle_data->to); */
+       /* Use g_idle to context-switch into the application's thread: */
        g_idle_add(on_idle_send_receive, NULL);
        
-       /* Note that we cannot report failures during send/receive, 
-        * because that would be asynchronous. */
        return OSSO_OK;
 }
 
 static gboolean
 on_idle_open_default_inbox(gpointer user_data)
 {
-       ModestWindow *win = 
-               modest_window_mgr_get_main_window (modest_runtime_get_window_mgr ());
+       ModestWindow *main_win;
+       GtkWidget *folder_view;
+       
+       if (!check_and_offer_account_creation ()) /* this has it's only lock already */
+               return FALSE;
 
+       /* This is a GDK lock because we are an idle callback and
+        * the code below is or does Gtk+ code */
+       gdk_threads_enter (); /* CHECKED */
+
+       main_win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr (),
+                                                     TRUE); /* create if non-existent */
+       if (!main_win) {
+               g_warning ("%s: BUG: no main window", __FUNCTION__);
+               gdk_threads_leave (); /* CHECKED */
+               return FALSE; /* don't call me again */
+       }
+               
        /* Get the folder view */
-       GtkWidget *folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (win),
-                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
-       modest_folder_view_select_first_inbox_or_local (
-               MODEST_FOLDER_VIEW (folder_view));
+       folder_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW (main_win),
+                                                          MODEST_MAIN_WINDOW_WIDGET_TYPE_FOLDER_VIEW);
+       modest_folder_view_select_first_inbox_or_local (MODEST_FOLDER_VIEW (folder_view));
+       
+       gdk_threads_leave (); /* CHECKED */
+       
+       /* This D-Bus method is obviously meant to result in the UI being visible,
+        * so show it, by calling this idle handler directly: */
+       on_idle_top_application(user_data);
        
        return FALSE; /* Do not call this callback again. */
 }
 
-static gint on_open_default_inbox(GArray * arguments, gpointer data, osso_rpc_t * retval)
+static gint 
+on_open_default_inbox(GArray * arguments, gpointer data, osso_rpc_t * retval)
 {
-    /* Use g_idle to context-switch into the application's thread: */
-
-    /* This method has no arguments. */
-       
+       /* Use g_idle to context-switch into the application's thread: */
        g_idle_add(on_idle_open_default_inbox, NULL);
        
-       /* Note that we cannot report failures during send/receive, 
-        * because that would be asynchronous. */
        return OSSO_OK;
 }
-                      
-/* Callback for normal D-BUS messages */
-gint modest_dbus_req_handler(const gchar * interface, const gchar * method,
-                      GArray * arguments, gpointer data,
-                      osso_rpc_t * retval)
+
+
+static gboolean 
+on_idle_top_application (gpointer user_data)
 {
+       ModestWindow *main_win;
        
-       g_debug ("debug: %s\n", __FUNCTION__);
-       g_debug ("debug: %s: method received: %s\n", __FUNCTION__, method);
+       /* This is a GDK lock because we are an idle callback and
+        * the code below is or does Gtk+ code */
+
+       gdk_threads_enter (); /* CHECKED */
        
-       if (g_ascii_strcasecmp(method, MODEST_DBUS_METHOD_SEND_MAIL) == 0) {
-               return on_send_mail (arguments, data, retval);
-       } else if (g_ascii_strcasecmp(method, MODEST_DBUS_METHOD_MAIL_TO) == 0) {
-               return on_mail_to (arguments, data, retval);
-       } else if (g_ascii_strcasecmp(method, MODEST_DBUS_METHOD_OPEN_MESSAGE) == 0) {
+       main_win = modest_window_mgr_get_main_window (modest_runtime_get_window_mgr (),
+                                                     TRUE); /* create if non-existent */
+       if (main_win) {
+               /* Ideally, we would just use gtk_widget_show(), 
+                * but this widget is not coded correctly to support that: */
+               gtk_widget_show_all (GTK_WIDGET (main_win));
+               gtk_window_present (GTK_WINDOW (main_win));
+       } else
+               g_warning ("%s: BUG: no main window", __FUNCTION__);
+
+       gdk_threads_leave (); /* CHECKED */
+       
+       return FALSE; /* Do not call this callback again. */
+}
+
+static gint 
+on_top_application(GArray * arguments, gpointer data, osso_rpc_t * retval)
+{
+       /* Use g_idle to context-switch into the application's thread: */
+       g_idle_add(on_idle_top_application, NULL);
+       
+       return OSSO_OK;
+}
+                      
+/* Callback for normal D-BUS messages */
+gint 
+modest_dbus_req_handler(const gchar * interface, const gchar * method,
+                       GArray * arguments, gpointer data,
+                       osso_rpc_t * retval)
+{
+       if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_MAIL_TO) == 0) {
+               if (arguments->len != MODEST_DBUS_MAIL_TO_ARGS_COUNT)
+                       goto param_error;
+               return on_mail_to (arguments, data, retval);            
+       } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_OPEN_MESSAGE) == 0) {
+               if (arguments->len != MODEST_DBUS_OPEN_MESSAGE_ARGS_COUNT)
+                       goto param_error;
                return on_open_message (arguments, data, retval);
-       } else if (g_ascii_strcasecmp(method, MODEST_DBUS_METHOD_SEND_RECEIVE) == 0) {
+       } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_SEND_RECEIVE) == 0) {
+               if (arguments->len != 0)
+                       goto param_error;
                return on_send_receive (arguments, data, retval);
-       } else if (g_ascii_strcasecmp(method, MODEST_DBUS_METHOD_COMPOSE_MAIL) == 0) {
+       } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_COMPOSE_MAIL) == 0) {
+               if (arguments->len != MODEST_DBUS_COMPOSE_MAIL_ARGS_COUNT)
+                       goto param_error;
                return on_compose_mail (arguments, data, retval);
-       } else if (g_ascii_strcasecmp(method, MODEST_DBUS_METHOD_DELETE_MESSAGE) == 0) {
+       } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_DELETE_MESSAGE) == 0) {
+               if (arguments->len != MODEST_DBUS_DELETE_MESSAGE_ARGS_COUNT)
+                       goto param_error;
                return on_delete_message (arguments,data, retval);
-       } else if (g_ascii_strcasecmp(method, MODEST_DBUS_METHOD_OPEN_DEFAULT_INBOX) == 0) {
+       } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_OPEN_DEFAULT_INBOX) == 0) {
+               if (arguments->len != 0)
+                       goto param_error;
                return on_open_default_inbox (arguments, data, retval);
-       }
-       else { 
+       } else if (g_ascii_strcasecmp (method, MODEST_DBUS_METHOD_TOP_APPLICATION) == 0) {
+               if (arguments->len != 0)
+                       goto param_error;
+               return on_top_application (arguments, data, retval);
+       } else { 
                /* We need to return INVALID here so
                 * libosso will return DBUS_HANDLER_RESULT_NOT_YET_HANDLED,
                 * so that our modest_dbus_req_filter will then be tried instead.
                 * */
                return OSSO_INVALID;
        }
+ param_error:
+       /* Notify error in D-Bus method */
+       g_idle_add (notify_error_in_dbus_callback, NULL);
+       return OSSO_ERROR;
 }
                                         
 /* A complex D-Bus type (like a struct),
@@ -957,15 +947,14 @@ static void
 on_dbus_method_search (DBusConnection *con, DBusMessage *message)
 {
        ModestDBusSearchFlags dbus_flags;
-       ModestSearch  search;
        DBusMessage  *reply = NULL;
        dbus_bool_t  res;
        dbus_int64_t sd_v;
        dbus_int64_t ed_v;
        dbus_int32_t flags_v;
        dbus_uint32_t size_v;
-       char *folder;
-       char *query;
+       const char *folder;
+       const char *query;
        time_t start_date;
        time_t end_date;
        GList *hits;
@@ -979,25 +968,46 @@ on_dbus_method_search (DBusConnection *con, DBusMessage *message)
        res = dbus_message_get_args (message,
                                     &error,
                                     DBUS_TYPE_STRING, &query,
-                                    DBUS_TYPE_STRING, &folder,
+                                    DBUS_TYPE_STRING, &folder, /* e.g. "INBOX/drafts": TODO: Use both an ID and a display name. */
                                     DBUS_TYPE_INT64, &sd_v,
                                     DBUS_TYPE_INT64, &ed_v,
                                     DBUS_TYPE_INT32, &flags_v,
                                     DBUS_TYPE_UINT32, &size_v,
                                     DBUS_TYPE_INVALID);
-       
+
        dbus_flags = (ModestDBusSearchFlags) flags_v;
        start_date = (time_t) sd_v;
        end_date = (time_t) ed_v;
 
+       ModestSearch search;
        memset (&search, 0, sizeof (search));
+       
+       /* Remember what folder we are searching in:
+        *
+        * Note that we don't copy the strings, 
+        * because this struct will only be used for the lifetime of this function.
+        */
+       if (folder && g_str_has_prefix (folder, "MAND:")) {
+               search.folder = folder + strlen ("MAND:");
+       } else if (folder && g_str_has_prefix (folder, "USER:")) {
+               search.folder = folder + strlen ("USER:");
+       } else if (folder && g_str_has_prefix (folder, "MY:")) {
+               search.folder = folder + strlen ("MY:");
+       } else {
+               search.folder = folder;
+       }
+
+   /* Remember the text to search for: */
 #ifdef MODEST_HAVE_OGS
        search.query  = query;
 #endif
-       search.before = start_date;
-       search.after  = end_date;
+
+       /* Other criteria: */
+       search.start_date = start_date;
+       search.end_date  = end_date;
        search.flags  = 0;
 
+       /* Text to serach for in various parts of the message: */
        if (dbus_flags & MODEST_DBUS_SEARCH_SUBJECT) {
                search.flags |= MODEST_SEARCH_SUBJECT;
                search.subject = query;
@@ -1020,12 +1030,12 @@ on_dbus_method_search (DBusConnection *con, DBusMessage *message)
 
        if (sd_v > 0) {
                search.flags |= MODEST_SEARCH_BEFORE;
-               search.before = start_date;
+               search.start_date = start_date;
        }
 
        if (ed_v > 0) {
                search.flags |= MODEST_SEARCH_AFTER;
-               search.after = end_date;
+               search.end_date = end_date;
        }
 
        if (size_v > 0) {
@@ -1037,6 +1047,10 @@ on_dbus_method_search (DBusConnection *con, DBusMessage *message)
        search.flags |= MODEST_SEARCH_USE_OGS;
        g_debug ("%s: Starting search for %s", __FUNCTION__, search.query);
 #endif
+
+       /* Note that this currently gets folders and messages from the servers, 
+        * which can take a long time. libmodest_dbus_client_search() can timeout, 
+        * reporting no results, if this takes a long time: */
        hits = modest_search_all_accounts (&search);
 
        reply = dbus_message_new_method_return (message);
@@ -1085,7 +1099,7 @@ get_folders_result_to_message (DBusMessage *reply,
                
                const gchar *folder_name = (const gchar*)list_iter->data;
                if (folder_name) {
-                       g_debug ("DEBUG: %s: Adding folder: %s", __FUNCTION__, folder_name);    
+                       /* g_debug ("DEBUG: %s: Adding folder: %s", __FUNCTION__, folder_name); */
                        
                        DBusMessageIter struct_iter;
                        dbus_message_iter_open_container (&array_iter,
@@ -1120,6 +1134,25 @@ add_single_folder_to_list (TnyFolder *folder, GList** list)
        if (!folder)
                return;
                
+       if (TNY_IS_MERGE_FOLDER (folder)) {
+               const gchar * folder_name;
+               /* Ignore these because their IDs ares
+                * a) not always unique or sensible.
+                * b) not human-readable, and currently need a human-readable 
+                *    ID here, because the osso-email-interface API does not allow 
+                *    us to return both an ID and a display name.
+                * 
+                * This is actually the merged outbox folder.
+                * We could hack our D-Bus API to understand "outbox" as the merged outboxes, 
+                * but that seems unwise. murrayc.
+                */
+               folder_name = tny_folder_get_name (folder);
+               if (folder_name && !strcmp (folder_name, "Outbox")) {
+                       *list = g_list_append(*list, g_strdup ("MAND:outbox"));
+               }
+               return; 
+       }
+               
        /* Add this folder to the list: */
        /*
        const gchar * folder_name = tny_folder_get_name (folder);
@@ -1132,16 +1165,37 @@ add_single_folder_to_list (TnyFolder *folder, GList** list)
                 * TODO: osso-global search should probably be changed to 
                 * take an ID and a Name.
                 */
-               const gchar * id =  tny_folder_get_id (folder);
-               if (id && strlen(id))
-                       *list = g_list_append(*list, g_strdup (id));
-               /*
-               else {
-                       g_warning ("DEBUG: %s: folder has no name or ID.\n", __FUNCTION__);     
+       const gchar * id =  tny_folder_get_id (folder);
+       if (id && strlen(id)) {
+               const gchar *prefix = NULL;
+               TnyFolderType folder_type;
+                       
+               /* dbus global search api expects a prefix identifying the type of
+                * folder here. Mandatory folders should have MAND: prefix, and
+                * other user created folders should have USER: prefix
+                */
+               folder_type = modest_tny_folder_guess_folder_type (folder);
+               switch (folder_type) {
+               case TNY_FOLDER_TYPE_INBOX:
+                       prefix = "MY:";
+                       break;
+               case TNY_FOLDER_TYPE_OUTBOX:
+               case TNY_FOLDER_TYPE_DRAFTS:
+               case TNY_FOLDER_TYPE_SENT:
+               case TNY_FOLDER_TYPE_ARCHIVE:
+                       prefix = "MAND:";
+                       break;
+               case TNY_FOLDER_TYPE_INVALID:
+                       g_warning ("%s: BUG: TNY_FOLDER_TYPE_INVALID", __FUNCTION__);
+                       return; /* don't add it */
+               default:
+                       prefix = "USER:";
+                       
                }
                
+
+               *list = g_list_append(*list, g_strdup_printf ("%s%s", prefix, id));
        }
-       */
 }
 
 static void
@@ -1154,27 +1208,42 @@ add_folders_to_list (TnyFolderStore *folder_store, GList** list)
        if (TNY_IS_FOLDER (folder_store)) {
                add_single_folder_to_list (TNY_FOLDER (folder_store), list);
        }       
-       
                
        /* Recurse into child folders: */
                
        /* Get the folders list: */
+       /*
        TnyFolderStoreQuery *query = tny_folder_store_query_new ();
        tny_folder_store_query_add_item (query, NULL, 
                TNY_FOLDER_STORE_QUERY_OPTION_SUBSCRIBED);
+       */
        TnyList *all_folders = tny_simple_list_new ();
        tny_folder_store_get_folders (folder_store,
                                      all_folders,
-                                     query,
+                                     NULL /* query */,
                                      NULL /* error */);
 
        TnyIterator *iter = tny_list_create_iterator (all_folders);
        while (!tny_iterator_is_done (iter)) {
+               
+               /* Do not recurse, because the osso-global-search UI specification 
+                * does not seem to want the sub-folders, though that spec seems to 
+                * be generally unsuitable for Modest.
+                */
                TnyFolder *folder = TNY_FOLDER (tny_iterator_get_current (iter));
-               if (TNY_IS_FOLDER_STORE (folder))
-                       add_folders_to_list (TNY_FOLDER_STORE (folder), list);
-               else {
+               if (folder) {
                        add_single_folder_to_list (TNY_FOLDER (folder), list);
+                        
+                       #if 0
+                       if (TNY_IS_FOLDER_STORE (folder))
+                               add_folders_to_list (TNY_FOLDER_STORE (folder), list);
+                       else {
+                               add_single_folder_to_list (TNY_FOLDER (folder), list);
+                       }
+                       #endif
+                       
+                       /* tny_iterator_get_current() gave us a reference. */
+                       g_object_unref (folder);
                }
                
                tny_iterator_next (iter);
@@ -1182,53 +1251,106 @@ add_folders_to_list (TnyFolderStore *folder_store, GList** list)
        g_object_unref (G_OBJECT (iter));
 }
 
+
+/* return >1 for a special folder, 0 for a user-folder */
+static gint
+get_rank (const gchar *folder)
+{
+       if (strcmp (folder, "INBOX") == 0)
+               return 1;
+       if (strcmp (folder, modest_local_folder_info_get_type_name(TNY_FOLDER_TYPE_SENT)) == 0)
+               return 2;
+       if (strcmp (folder, modest_local_folder_info_get_type_name(TNY_FOLDER_TYPE_DRAFTS)) == 0)
+               return 3;
+       if (strcmp (folder, modest_local_folder_info_get_type_name(TNY_FOLDER_TYPE_OUTBOX)) == 0)
+               return 4;
+       return 0;
+}
+
+static gint
+folder_name_compare_func (const gchar* folder1, const gchar* folder2)
+{
+       gint r1 = get_rank (folder1);
+       gint r2 = get_rank (folder2);
+
+       if (r1 > 0 && r2 > 0)
+               return r1 - r2;
+       if (r1 > 0 && r2 == 0)
+               return -1;
+       if (r1 == 0 && r2 > 0)
+               return 1;
+       else
+               return  modest_text_utils_utf8_strcmp (folder1, folder2, TRUE);
+}
+
+/* FIXME: */
+/*   - we're still missing the outbox */
+/*   - we need to take care of localization (urgh) */
+/*   - what about 'All mail folders'? */
 static void
 on_dbus_method_get_folders (DBusConnection *con, DBusMessage *message)
 {
        DBusMessage  *reply = NULL;
+       ModestAccountMgr *account_mgr = NULL;
+       gchar *account_name = NULL;
+       GList *folder_names = NULL;     
+       TnyAccount *account_local = NULL;
+       TnyAccount *account_mmc = NULL;
        
-
        /* Get the TnyStoreAccount so we can get the folders: */
-       ModestAccountMgr *account_mgr = modest_runtime_get_account_mgr();
-       gchar *account_name = modest_account_mgr_get_default_account (account_mgr);
+       account_mgr = modest_runtime_get_account_mgr();
+       account_name = modest_account_mgr_get_default_account (account_mgr);
        if (!account_name) {
                g_printerr ("modest: no account found\n");
        }
        
-       TnyAccount *account = NULL;
-       if (account_mgr) {
-               account = modest_tny_account_store_get_server_account (
-                       modest_runtime_get_account_store(), account_name, 
-                       TNY_ACCOUNT_TYPE_STORE);
-       }
-       
-       if (!account) {
-               g_printerr ("modest: failed to get tny account folder'%s'\n", account_name);
-       } 
+       if (account_name) {
+               TnyAccount *account = NULL;
+               if (account_mgr) {
+                       account = modest_tny_account_store_get_server_account (
+                               modest_runtime_get_account_store(), account_name, 
+                               TNY_ACCOUNT_TYPE_STORE);
+               }
                
-       printf("DEBUG: %s: Getting folders for account name=%s\n", __FUNCTION__, account_name);
-       g_free (account_name);
-       account_name = NULL;
-       
-       GList *folder_names = NULL;
-       add_folders_to_list (TNY_FOLDER_STORE (account), &folder_names);
-
-       g_object_unref (account);
-       account = NULL;
+               if (!account) {
+                       g_printerr ("modest: failed to get tny account folder'%s'\n", account_name);
+               } 
+               
+               printf("DEBUG: %s: Getting folders for account name=%s\n", __FUNCTION__, account_name);
+               g_free (account_name);
+               account_name = NULL;
+               
+               add_folders_to_list (TNY_FOLDER_STORE (account), &folder_names);
        
+               g_object_unref (account);
+               account = NULL;
+       }
        
        /* Also add the folders from the local folders account,
         * because they are (currently) used with all accounts:
         * TODO: This is not working. It seems to get only the Merged Folder (with an ID of "" (not NULL)).
         */
-       TnyAccount *account_local = 
-               modest_tny_account_store_get_local_folders_account (
-                       TNY_ACCOUNT_STORE (modest_runtime_get_account_store()));
+       account_local = 
+               modest_tny_account_store_get_local_folders_account (modest_runtime_get_account_store());
        add_folders_to_list (TNY_FOLDER_STORE (account_local), &folder_names);
 
        g_object_unref (account_local);
        account_local = NULL;
 
+       /* Obtain the mmc account */
+       account_mmc = 
+               modest_tny_account_store_get_mmc_folders_account (modest_runtime_get_account_store());
+       if (account_mmc) {
+               add_folders_to_list (TNY_FOLDER_STORE (account_mmc), &folder_names);
+               g_object_unref (account_mmc);
+               account_mmc = NULL;
+       }
+
+       /* specs require us to sort the folder names, although
+        * this is really not the place to do that...
+        */
+       folder_names = g_list_sort (folder_names,
+                                   (GCompareFunc)folder_name_compare_func);
 
        /* Put the result in a DBus reply: */
        reply = dbus_message_new_method_return (message);
@@ -1274,29 +1396,34 @@ modest_dbus_req_filter (DBusConnection *con,
                on_dbus_method_get_folders (con, message);
                handled = TRUE;                         
        }
+       else {
+               /* Note that this mentions methods that were already handled in modest_dbus_req_handler(). */
+               /* 
+               g_debug ("  debug: %s: Unexpected (maybe already handled) D-Bus method:\n   Interface=%s, Member=%s\n", 
+                       __FUNCTION__, dbus_message_get_interface (message),
+                       dbus_message_get_member(message));
+               */
+       }
        
        return (handled ? 
                DBUS_HANDLER_RESULT_HANDLED :
                DBUS_HANDLER_RESULT_NOT_YET_HANDLED);
 }
 
-
-void
-modest_osso_cb_hw_state_handler(osso_hw_state_t *state, gpointer data)
+static gboolean
+notify_error_in_dbus_callback (gpointer user_data)
 {
-       /* TODO? */
-    /* printf("%s()\n", __PRETTY_FUNCTION__); */
-
-    if(state->system_inactivity_ind)
-    {
-    }
-    else if(state->save_unsaved_data_ind)
-    {
-    }
-    else
-    {
-    
-    }
-
-    /* printf("debug: %s(): return\n", __PRETTY_FUNCTION__); */
+       ModestMailOperation *mail_op;
+       ModestMailOperationQueue *mail_op_queue;
+
+       mail_op = modest_mail_operation_new (NULL);
+       mail_op_queue = modest_runtime_get_mail_operation_queue ();
+
+       /* Issues a noop operation in order to force the queue to emit
+          the "queue-empty" signal to allow modest to quit */
+       modest_mail_operation_queue_add (mail_op_queue, mail_op);
+       modest_mail_operation_noop (mail_op);
+       g_object_unref (mail_op);
+
+       return FALSE;
 }