[libhandy] example: Remove workarounds for nested swipeable widgets

[Adrien Plazas <aplazas src gnome org>]

commit 30e8f28235450eb698a0eae62a42f382a827b6dd
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Sun Jun 14 21:25:26 2020 +0500

    example: Remove workarounds for nested swipeable widgets
    
    They aren't necessary anymore.
    
    Signed-off-by: Alexander Mikhaylenko <alexm gnome org>

 examples/hdy-demo-window.c  | 29 ++---------------------------
 examples/hdy-demo-window.ui |  1 -
 2 files changed, 2 insertions(+), 28 deletions(-)
---
diff --git a/examples/hdy-demo-window.c b/examples/hdy-demo-window.c
index f7c51fcf..c0574d3a 100644
--- a/examples/hdy-demo-window.c
+++ b/examples/hdy-demo-window.c
@@ -79,32 +79,17 @@ hdy_demo_window_key_pressed_cb (GtkWidget     *sender,
   return FALSE;
 }
 
-static void
-update_leaflet_swipe (HdyDemoWindow *self)
-{
-  gboolean first_page = (hdy_carousel_get_position (self->carousel) <= 0);
-  gboolean carousel_visible =
-    (gtk_stack_get_visible_child (self->stack) == GTK_WIDGET (self->carousel));
-
-  hdy_leaflet_set_can_swipe_back (self->content_box,
-                                  !carousel_visible || first_page);
-}
-
 static void
 update (HdyDemoWindow *self)
 {
   const gchar *header_bar_name = "default";
-  gboolean leaflet_can_swipe_back = TRUE;
 
-  if (g_strcmp0 (gtk_stack_get_visible_child_name (self->stack), "deck") == 0) {
+  if (g_strcmp0 (gtk_stack_get_visible_child_name (self->stack), "deck") == 0)
     header_bar_name = "deck";
-    leaflet_can_swipe_back = g_strcmp0 (hdy_deck_get_visible_child_name (self->content_deck), "sub") != 0;
-  } else if (g_strcmp0 (gtk_stack_get_visible_child_name (self->stack), "search-bar") == 0) {
+  else if (g_strcmp0 (gtk_stack_get_visible_child_name (self->stack), "search-bar") == 0)
     header_bar_name = "search-bar";
-  }
 
   gtk_stack_set_visible_child_name (self->header_stack, header_bar_name);
-  hdy_leaflet_set_can_swipe_back (self->content_box, leaflet_can_swipe_back);
 }
 
 static void
@@ -121,7 +106,6 @@ hdy_demo_window_notify_visible_child_cb (GObject       *sender,
   update (self);
 
   hdy_leaflet_navigate (self->content_box, HDY_NAVIGATION_DIRECTION_FORWARD);
-  update_leaflet_swipe (self);
 }
 
 static void
@@ -238,14 +222,6 @@ carousel_orientation_name (HdyEnumValueObject *value,
   }
 }
 
-static void
-notify_carousel_position_cb (GObject       *sender,
-                             GParamSpec    *pspec,
-                             HdyDemoWindow *self)
-{
-  update_leaflet_swipe (self);
-}
-
 static void
 notify_carousel_orientation_cb (GObject       *sender,
                                 GParamSpec    *pspec,
@@ -417,7 +393,6 @@ hdy_demo_window_class_init (HdyDemoWindowClass *klass)
   gtk_widget_class_bind_template_callback_full (widget_class, "deck_go_next_row_activated_cb", 
G_CALLBACK(deck_go_next_row_activated_cb));
   gtk_widget_class_bind_template_callback_full (widget_class, "theme_variant_button_clicked_cb", 
G_CALLBACK(theme_variant_button_clicked_cb));
   gtk_widget_class_bind_template_callback_full (widget_class, "view_switcher_demo_clicked_cb", 
G_CALLBACK(view_switcher_demo_clicked_cb));
-  gtk_widget_class_bind_template_callback_full (widget_class, "notify_carousel_position_cb", 
G_CALLBACK(notify_carousel_position_cb));
   gtk_widget_class_bind_template_callback_full (widget_class, "notify_carousel_orientation_cb", 
G_CALLBACK(notify_carousel_orientation_cb));
   gtk_widget_class_bind_template_callback_full (widget_class, "notify_carousel_indicator_style_cb", 
G_CALLBACK(notify_carousel_indicator_style_cb));
   gtk_widget_class_bind_template_callback_full (widget_class, "carousel_return_clicked_cb", 
G_CALLBACK(carousel_return_clicked_cb));
diff --git a/examples/hdy-demo-window.ui b/examples/hdy-demo-window.ui
index e503ea5a..b1a4fa9b 100644
--- a/examples/hdy-demo-window.ui
+++ b/examples/hdy-demo-window.ui
@@ -1666,7 +1666,6 @@
                         <property name="visible">True</property>
                         <property name="center_content">True</property>
                         <property name="indicator_spacing">6</property>
-                        <signal name="notify::position" handler="notify_carousel_position_cb"/>
                         <child>
                           <object class="GtkBox">
                             <property name="visible">True</property>