[gnome-software/wip/mcrha/gs-update-dialog-ui-title: 31/33] gs-app-details-page: Add read-only 'title' property

[Milan Crha <mcrha src gnome org>]

commit cabec3168560d55f701f8cb491717fa16b2c7ec1
Author: Milan Crha <mcrha redhat com>
Date:   Tue Nov 2 08:48:15 2021 +0100

    gs-app-details-page: Add read-only 'title' property
    
    Reflects current window title, to be tight to the parent's window title.

 src/gs-app-details-page.c | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)
---
diff --git a/src/gs-app-details-page.c b/src/gs-app-details-page.c
index 938ccdd78..b2470eded 100644
--- a/src/gs-app-details-page.c
+++ b/src/gs-app-details-page.c
@@ -31,6 +31,7 @@
 typedef enum {
        PROP_APP = 1,
        PROP_SHOW_BACK_BUTTON,
+       PROP_TITLE,
 } GsAppDetailsPageProperty;
 
 enum {
@@ -38,7 +39,7 @@ enum {
        SIGNAL_LAST
 };
 
-static GParamSpec *obj_props[PROP_SHOW_BACK_BUTTON + 1] = { NULL, };
+static GParamSpec *obj_props[PROP_TITLE + 1] = { NULL, };
 
 static guint signals[SIGNAL_LAST] = { 0 };
 
@@ -147,6 +148,8 @@ set_updates_description_ui (GsAppDetailsPage *page, GsApp *app)
                                            gs_app_get_update_version (app));
        }
 
+       g_object_notify_by_pspec (G_OBJECT (page), obj_props[PROP_TITLE]);
+
        /* set update header */
        update_details = gs_app_get_update_details (app);
        if (update_details == NULL) {
@@ -319,6 +322,9 @@ gs_app_details_page_get_property (GObject *object, guint prop_id, GValue *value,
        case PROP_SHOW_BACK_BUTTON:
                g_value_set_boolean (value, gs_app_details_page_get_show_back_button (page));
                break;
+       case PROP_TITLE:
+               g_value_set_string (value, adw_window_title_get_title (page->window_title));
+               break;
        default:
                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
                break;
@@ -383,6 +389,18 @@ gs_app_details_page_class_init (GsAppDetailsPageClass *klass)
                                     TRUE,
                                     G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
 
+       /**
+        * GsAppDetailsPage:title
+        *
+        * Read-only window title.
+        *
+        * Since: 42
+        */
+       obj_props[PROP_TITLE] =
+               g_param_spec_string ("title", NULL, NULL,
+                                    NULL,
+                                    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS | G_PARAM_EXPLICIT_NOTIFY);
+
        g_object_class_install_properties (object_class, G_N_ELEMENTS (obj_props), obj_props);
 
        /**