[gnome-software] Don't require the user to keep clicking 'More reviews' after each click

[Richard Hughes <rhughes src gnome org>]

commit 2452ca68f23be39752a9020f04b38436737fe112
Author: Richard Hughes <richard hughsie com>
Date:   Tue Dec 5 10:58:23 2017 +0000

    Don't require the user to keep clicking 'More reviews' after each click
    
    Fixes: https://bugzilla.gnome.org/show_bug.cgi?id=790799

 src/gs-details-page.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-details-page.c b/src/gs-details-page.c
index d13932b..724cab6 100644
--- a/src/gs-details-page.c
+++ b/src/gs-details-page.c
@@ -62,6 +62,7 @@ struct _GsDetailsPage
        GsShell                 *shell;
        SoupSession             *session;
        gboolean                 enable_reviews;
+       gboolean                 show_all_reviews;
        GSettings               *settings;
 
        GtkWidget               *application_details_icon;
@@ -1348,13 +1349,15 @@ gs_details_page_refresh_reviews (GsDetailsPage *self)
                }
                gs_review_row_set_actions (GS_REVIEW_ROW (row), actions);
                gtk_container_add (GTK_CONTAINER (self->list_box_reviews), row);
-               gtk_widget_set_visible (row, i < SHOW_NR_REVIEWS_INITIAL);
+               gtk_widget_set_visible (row, self->show_all_reviews ||
+                                            i < SHOW_NR_REVIEWS_INITIAL);
                gs_review_row_set_network_available (GS_REVIEW_ROW (row),
                                                     gs_plugin_loader_get_network_available 
(self->plugin_loader));
        }
 
        /* only show the button if there are more to show */
        gtk_widget_set_visible (self->button_more_reviews,
+                               !self->show_all_reviews &&
                                reviews->len > SHOW_NR_REVIEWS_INITIAL);
 
        /* show the button only if the user never reviewed */
@@ -1526,6 +1529,9 @@ set_app (GsDetailsPage *self, GsApp *app)
 {
        g_autofree gchar *tmp = NULL;
 
+       /* do not show all the reviews by default */
+       self->show_all_reviews = FALSE;
+
        /* disconnect the old handlers */
        if (self->app != NULL) {
                g_signal_handlers_disconnect_by_func (self->app, gs_details_page_notify_state_changed_cb, 
self);
@@ -1968,6 +1974,7 @@ gs_details_page_app_removed (GsPage *page, GsApp *app)
 static void
 gs_details_page_more_reviews_button_cb (GtkWidget *widget, GsDetailsPage *self)
 {
+       self->show_all_reviews = TRUE;
        gtk_container_foreach (GTK_CONTAINER (self->list_box_reviews),
                               (GtkCallback) gtk_widget_show, NULL);
        gtk_widget_set_visible (self->button_more_reviews, FALSE);