2007-07-09 Murray Cumming <murrayc@murrayc.com>
[modest] / src / maemo / modest-maemo-utils.c
index 150dbcf..3f5eff2 100644 (file)
 #define BTNAME_MATCH_RULE "type='signal',interface='" BTNAME_SIGNAL_IF \
                           "',member='" BTNAME_SIG_CHANGED "'"
 
+GQuark modest_maemo_utils_get_supported_secure_authentication_error_quark (void)
+{
+       return g_quark_from_static_string("modest-maemo-utils-get-supported-secure-authentication-error-quark");
+}
 
 GtkWidget*
 modest_maemo_utils_menubar_to_menu (GtkUIManager *ui_manager)
@@ -254,7 +258,6 @@ modest_maemo_utils_create_temp_stream (const gchar *extension, gchar **path)
 
 typedef struct 
 {
-       gboolean finished;
        gboolean cancel;
        GList *result;
        GtkWidget* dialog;
@@ -268,6 +271,18 @@ static void on_camel_account_get_supported_secure_authentication_status (
        /*ModestGetSupportedAuthInfo* info = (ModestGetSupportedAuthInfo*) user_data;*/
 }
 
+static gboolean
+on_idle_secure_auth_finished (gpointer user_data)
+{
+       ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
+       /* Operation has finished, close the dialog. Control continues after
+        * gtk_dialog_run in modest_maemo_utils_get_supported_secure_authentication_methods() */
+       gdk_threads_enter();
+       gtk_dialog_response (GTK_DIALOG (info->dialog), GTK_RESPONSE_ACCEPT);
+       gdk_threads_leave();
+       return FALSE;
+}
+
 static void
 on_camel_account_get_supported_secure_authentication (
   TnyCamelAccount *self, gboolean cancelled,
@@ -278,61 +293,74 @@ on_camel_account_get_supported_secure_authentication (
        ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
        g_return_if_fail (info);
 
+       gdk_threads_enter();
+
        /* Free everything if the actual action was canceled */
        if (info->cancel)
        {
+               /* The operation was canceled and the ownership of the info given to us
+                * so that we could still check the cancel flag. */
                g_slice_free (ModestGetSupportedAuthInfo, info);
                info = NULL;
-               return;
        }
-
-       /* Why is this a pointer to a pointer? We are not supposed to set it,
-        * are we? */
-       if(err != NULL && *err != NULL)
+       else
        {
-               printf("Err: %s\n", (*err)->message);
-               info->error = g_error_copy(*err);
-       }
-       
-       if (!auth_types) {
-               printf ("DEBUG: %s: auth_types is NULL.\n", __FUNCTION__);
-               info->finished = TRUE; /* We are blocking, waiting for this. */
-               return;
-       }
-               
-       ModestPairList* pairs = modest_protocol_info_get_auth_protocol_pair_list ();
+               /* TODO: Why is this a pointer to a pointer? We are not supposed to
+                * set it, are we? */
+               if(err != NULL && *err != NULL)
+               {
+                       if(info->error != NULL) g_error_free(info->error);
+                       info->error = g_error_copy(*err);
+               }
+
+               if (!auth_types) {
+                       printf ("DEBUG: %s: auth_types is NULL.\n", __FUNCTION__);
+               }
+               else
+               {
+                       ModestPairList* pairs = modest_protocol_info_get_auth_protocol_pair_list ();
   
-       /* Get the enum value for the strings: */
-       GList *result = NULL;
-       TnyIterator* iter = tny_list_create_iterator(auth_types);
-       while (!tny_iterator_is_done(iter)) {
-               const gchar *auth_name = tny_pair_get_name(TNY_PAIR(tny_iterator_get_current(iter)));
-               printf("DEBUG: %s: auth_name=%s\n", __FUNCTION__, auth_name);
-               ModestPair *matching = modest_pair_list_find_by_first_as_string (pairs, 
-                       auth_name);
-               if (matching)
-    {
-      result = g_list_append (result, GINT_TO_POINTER((ModestConnectionProtocol)matching->first));
-    }
-               tny_iterator_next(iter);
-       }
+                       /* Get the enum value for the strings: */
+                       GList *result = NULL;
+                       TnyIterator* iter = tny_list_create_iterator(auth_types);
+                       while (!tny_iterator_is_done(iter)) {
+                               const gchar *auth_name = tny_pair_get_name(TNY_PAIR(tny_iterator_get_current(iter)));
+                               printf("DEBUG: %s: auth_name=%s\n", __FUNCTION__, auth_name);
+                               ModestPair *matching = modest_pair_list_find_by_first_as_string (pairs, 
+                                       auth_name);
+                               if (matching)
+                               {
+                                       result = g_list_append (result, GINT_TO_POINTER((ModestConnectionProtocol)matching->first));
+                               }
+                               tny_iterator_next(iter);
+                       }
        
-  g_object_unref(auth_types);
-       
-       modest_pair_list_free (pairs);
+                       g_object_unref(auth_types);
+
+                       modest_pair_list_free (pairs);
        
-       info->result = result;
-  printf("DEBUG: finished\n");
-       info->finished = TRUE; /* We are blocking, waiting for this. */
+                       info->result = result;
+               }
+
+               printf("DEBUG: finished\n");
+
+               /* Close the dialog in a main thread */
+               g_idle_add(on_idle_secure_auth_finished, info);
+       }
+
+       gdk_threads_leave();
 }
 
 static void on_secure_auth_cancel(GtkWidget* dialog, int response, gpointer user_data)
 {
-       ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
-       g_return_if_fail(info);
-       /* We are blocking */
-       info->result = NULL;
-       info->cancel = TRUE;
+       if(response == GTK_RESPONSE_REJECT || response == GTK_RESPONSE_DELETE_EVENT)
+       {
+               ModestGetSupportedAuthInfo *info = (ModestGetSupportedAuthInfo*)user_data;
+               g_return_if_fail(info);
+               /* This gives the ownership of the info to the worker thread. */
+               info->result = NULL;
+               info->cancel = TRUE;
+       }
 }
 
 GList* modest_maemo_utils_get_supported_secure_authentication_methods (ModestTransportStoreProtocol proto, 
@@ -361,6 +389,8 @@ GList* modest_maemo_utils_get_supported_secure_authentication_methods (ModestTra
        default:
                tny_account = NULL;
        }
+
+       /* TODO: Handle connection requests. */
        
        if (!tny_account) {
                g_printerr ("%s could not create tny account.", __FUNCTION__);
@@ -390,25 +420,24 @@ GList* modest_maemo_utils_get_supported_secure_authentication_methods (ModestTra
 
        /* Ask camel to ask the server, asynchronously: */
        ModestGetSupportedAuthInfo *info = g_slice_new (ModestGetSupportedAuthInfo);
-       info->finished = FALSE;
        info->result = NULL;
        info->cancel = FALSE;
        info->error = NULL;
        info->progress = gtk_progress_bar_new();
-  info->dialog = gtk_dialog_new_with_buttons(_("Authentication"),
-                                                                                                                               parent_window, GTK_DIALOG_MODAL,
-                                                                                                                               GTK_STOCK_CANCEL,
-                                                                                                                               GTK_RESPONSE_REJECT,
-                                                                                                                               NULL);
+       info->dialog = gtk_dialog_new_with_buttons(_("Authentication"),
+                                                  parent_window, GTK_DIALOG_MODAL,
+                                                  GTK_STOCK_CANCEL,
+                                                  GTK_RESPONSE_REJECT,
+                                                  NULL);
        //gtk_window_set_default_size(GTK_WINDOW(info->dialog), 300, 100);
        
        g_signal_connect(G_OBJECT(info->dialog), "response", G_CALLBACK(on_secure_auth_cancel), info);
        
        gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox),
-                                                                               gtk_label_new("Checking for supported authentication types..."));
+                         gtk_label_new("Checking for supported authentication types..."));
        gtk_container_add(GTK_CONTAINER(GTK_DIALOG(info->dialog)->vbox), info->progress);
        gtk_widget_show_all(info->dialog);
-  gtk_progress_bar_pulse(GTK_PROGRESS_BAR(info->progress));
+       gtk_progress_bar_pulse(GTK_PROGRESS_BAR(info->progress));
        
        printf ("DEBUG: %s: STARTING.\n", __FUNCTION__);
        tny_camel_account_get_supported_secure_authentication (
@@ -416,15 +445,10 @@ GList* modest_maemo_utils_get_supported_secure_authentication_methods (ModestTra
                on_camel_account_get_supported_secure_authentication,
                on_camel_account_get_supported_secure_authentication_status,
                info);
-               
-       /* Block until the callback has been called,
-        * driving the main context, so that the (idle handler) callback can be 
-        * called, and so that our dialog is clickable: */
-       while (!(info->finished) && !(info->cancel)) {
-    gtk_main_iteration_do(FALSE); 
-       }
+
+       gtk_dialog_run (GTK_DIALOG (info->dialog));
        
-  gtk_widget_destroy(info->dialog);
+       gtk_widget_destroy(info->dialog);
                
        GList *result = info->result;
        if (!info->cancel)
@@ -435,6 +459,16 @@ GList* modest_maemo_utils_get_supported_secure_authentication_methods (ModestTra
                g_slice_free (ModestGetSupportedAuthInfo, info);
                info = NULL;
        }
+       else
+       {
+               // Tell the caller that the operation was canceled so it can
+               // make a difference
+               g_set_error(error,
+                           modest_maemo_utils_get_supported_secure_authentication_error_quark(),
+                           MODEST_MAEMO_UTILS_GET_SUPPORTED_SECURE_AUTHENTICATION_ERROR_CANCELED,
+                           "User has canceled query");
+       }
+
        return result;
 }
 
@@ -473,3 +507,20 @@ modest_maemo_utils_setup_images_filechooser (GtkFileChooser *chooser)
 #endif
 
 }
+
+static void
+on_response (GtkDialog *dialog, gint response, gpointer user_data)
+{
+       /* Just destroy the dialog: */
+       gtk_widget_destroy (GTK_WIDGET (dialog));
+}
+
+void modest_maemo_show_information_note_and_forget (GtkWindow *parent_window, const gchar* message)
+{
+       GtkDialog *dialog = GTK_DIALOG (hildon_note_new_information (parent_window, message));
+       
+       /* Destroy the dialog when it is closed: */
+       g_signal_connect (G_OBJECT (dialog), "response", G_CALLBACK (on_response), NULL);
+       gtk_widget_show (GTK_WIDGET (dialog));
+}
+