[evolution] I#476 - Hide "Server handles meeting invitations" for VJOURNAL/CalDAV

[Milan Crha <mcrha src gnome org>]

commit adbe4d5e522394d1f46731d30ed25f8c7d58841a
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jun 7 15:40:53 2019 +0200

    I#476 - Hide "Server handles meeting invitations" for VJOURNAL/CalDAV
    
    Closes https://gitlab.gnome.org/GNOME/evolution/issues/476

 .../evolution-cal-config-caldav.c                  | 41 +++++++++++++---------
 1 file changed, 24 insertions(+), 17 deletions(-)
---
diff --git a/src/modules/cal-config-caldav/evolution-cal-config-caldav.c 
b/src/modules/cal-config-caldav/evolution-cal-config-caldav.c
index fc991468a4..0c50551d76 100644
--- a/src/modules/cal-config-caldav/evolution-cal-config-caldav.c
+++ b/src/modules/cal-config-caldav/evolution-cal-config-caldav.c
@@ -89,6 +89,7 @@ cal_config_caldav_run_dialog (GtkButton *button,
        ESourceConfig *config;
        ESourceRegistry *registry;
        ESourceWebdav *webdav_extension;
+       ECalClientSourceType source_type;
        ECredentialsPrompter *prompter;
        SoupURI *uri;
        gchar *base_url;
@@ -103,8 +104,9 @@ cal_config_caldav_run_dialog (GtkButton *button,
 
        parent = gtk_widget_get_toplevel (GTK_WIDGET (config));
        parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
+       source_type = e_cal_source_config_get_source_type (E_CAL_SOURCE_CONFIG (config));
 
-       switch (e_cal_source_config_get_source_type (E_CAL_SOURCE_CONFIG (config))) {
+       switch (source_type) {
        case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
                supports_filter = E_WEBDAV_DISCOVER_SUPPORTS_EVENTS;
                title = _("Choose a Calendar");
@@ -158,13 +160,15 @@ cal_config_caldav_run_dialog (GtkButton *button,
 
                                e_source_webdav_set_display_name (webdav_extension, display_name);
                                e_source_webdav_set_soup_uri (webdav_extension, uri);
-                               e_source_webdav_set_calendar_auto_schedule (webdav_extension, (supports & 
E_WEBDAV_DISCOVER_SUPPORTS_CALENDAR_AUTO_SCHEDULE) != 0);
+
+                               if (source_type != E_CAL_CLIENT_SOURCE_TYPE_MEMOS)
+                                       e_source_webdav_set_calendar_auto_schedule (webdav_extension, 
(supports & E_WEBDAV_DISCOVER_SUPPORTS_CALENDAR_AUTO_SCHEDULE) != 0);
 
                                if (color && *color) {
                                        ESourceSelectable *selectable_extension;
                                        const gchar *extension_name;
 
-                                       switch (e_cal_source_config_get_source_type (E_CAL_SOURCE_CONFIG 
(config))) {
+                                       switch (source_type) {
                                                case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
                                                        extension_name = E_SOURCE_EXTENSION_CALENDAR;
                                                        break;
@@ -321,12 +325,11 @@ cal_config_caldav_insert_widgets (ESourceConfigBackend *backend,
        e_source_config_add_secure_connection_for_webdav (
                config, scratch_source);
 
+       source_type = e_cal_source_config_get_source_type (E_CAL_SOURCE_CONFIG (config));
+
        if (!collection_source) {
                e_source_config_add_user_entry (config, scratch_source);
 
-               source_type = e_cal_source_config_get_source_type (
-                       E_CAL_SOURCE_CONFIG (config));
-
                switch (source_type) {
                        case E_CAL_CLIENT_SOURCE_TYPE_EVENTS:
                                label = _("Find Calendars");
@@ -358,23 +361,27 @@ cal_config_caldav_insert_widgets (ESourceConfigBackend *backend,
        context->email_entry = g_object_ref (widget);
        gtk_widget_show (widget);
 
-       widget = gtk_check_button_new_with_label (
-               _("Server handles meeting invitations"));
-       e_source_config_insert_widget (
-               config, scratch_source, NULL, widget);
-       context->auto_schedule_toggle = g_object_ref (widget);
-       gtk_widget_show (widget);
+       if (source_type != E_CAL_CLIENT_SOURCE_TYPE_MEMOS) {
+               widget = gtk_check_button_new_with_label (
+                       _("Server handles meeting invitations"));
+               e_source_config_insert_widget (
+                       config, scratch_source, NULL, widget);
+               context->auto_schedule_toggle = g_object_ref (widget);
+               gtk_widget_show (widget);
+       }
 
        e_source_config_add_refresh_interval (config, scratch_source);
 
        extension_name = E_SOURCE_EXTENSION_WEBDAV_BACKEND;
        extension = e_source_get_extension (scratch_source, extension_name);
 
-       e_binding_bind_property (
-               extension, "calendar-auto-schedule",
-               context->auto_schedule_toggle, "active",
-               G_BINDING_BIDIRECTIONAL |
-               G_BINDING_SYNC_CREATE);
+       if (context->auto_schedule_toggle) {
+               e_binding_bind_property (
+                       extension, "calendar-auto-schedule",
+                       context->auto_schedule_toggle, "active",
+                       G_BINDING_BIDIRECTIONAL |
+                       G_BINDING_SYNC_CREATE);
+       }
 
        e_binding_bind_object_text_property (
                extension, "email-address",