[nautilus/wip/gbsneto/view-menu] window-slot: add an ::icon property

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit e2f7b7c53e1e41f6cf6c3cde51529401c3be5848
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue Aug 11 14:53:11 2015 -0300

    window-slot: add an ::icon property
    
    The icon property of NautilusWindowSlot is a wrapper
    around the icon of the view. This is needed for us
    to be able to isolate NautilusView from outside
    access.

 src/nautilus-window-slot.c |   25 +++++++++++++++++++++++++
 src/nautilus-window-slot.h |    2 ++
 2 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-window-slot.c b/src/nautilus-window-slot.c
index 766c6a5..43f5841 100644
--- a/src/nautilus-window-slot.c
+++ b/src/nautilus-window-slot.c
@@ -55,6 +55,7 @@ enum {
 
 enum {
        PROP_WINDOW = 1,
+        PROP_ICON,
        NUM_PROPERTIES
 };
 
@@ -527,6 +528,9 @@ nautilus_window_slot_get_property (GObject *object,
        case PROP_WINDOW:
                g_value_set_object (value, slot->details->window);
                break;
+        case PROP_ICON:
+                g_value_set_object (value, nautilus_window_slot_get_icon (slot));
+                break;
        default:
                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
                break;
@@ -2267,6 +2271,8 @@ nautilus_window_slot_switch_new_content_view (NautilusWindowSlot *slot)
                 gtk_container_add (GTK_CONTAINER (slot), widget);
                 gtk_widget_set_vexpand (widget, TRUE);
                gtk_widget_show (widget);
+
+                g_object_notify_by_pspec (G_OBJECT (slot), properties[PROP_ICON]);
        }
 }
 
@@ -2448,6 +2454,13 @@ nautilus_window_slot_class_init (NautilusWindowSlotClass *klass)
                                     NAUTILUS_TYPE_WINDOW,
                                     G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
 
+        properties[PROP_ICON] =
+               g_param_spec_object ("icon",
+                                    "Icon that represents the slot",
+                                    "The icon that represents the slot",
+                                    G_TYPE_ICON,
+                                    G_PARAM_READABLE);
+
        g_object_class_install_properties (oclass, NUM_PROPERTIES, properties);
        g_type_class_add_private (klass, sizeof (NautilusWindowSlotDetails));
 }
@@ -2656,3 +2669,15 @@ nautilus_window_slot_new (NautilusWindow *window)
                             "window", window,
                             NULL);
 }
+
+GIcon*
+nautilus_window_slot_get_icon (NautilusWindowSlot *slot)
+{
+        NautilusView *view;
+
+        g_return_val_if_fail (NAUTILUS_IS_WINDOW_SLOT (slot), NULL);
+
+        view = nautilus_window_slot_get_current_view (slot);
+
+        return view ? nautilus_view_get_icon (view) : NULL;
+}
diff --git a/src/nautilus-window-slot.h b/src/nautilus-window-slot.h
index 97ff788..5b96570 100644
--- a/src/nautilus-window-slot.h
+++ b/src/nautilus-window-slot.h
@@ -127,4 +127,6 @@ void nautilus_window_slot_display_view_selection_failure   (NautilusWindow *wind
                                                             GFile          *location,
                                                             GError         *error);
 
+GIcon*   nautilus_window_slot_get_icon                     (NautilusWindowSlot *slot);
+
 #endif /* NAUTILUS_WINDOW_SLOT_H */