1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef UI_AURA_ROOT_WINDOW_OBSERVER_H_
6 #define UI_AURA_ROOT_WINDOW_OBSERVER_H_
8 #include "ui/aura/aura_export.h"
19 class AURA_EXPORT RootWindowObserver {
21 // Invoked after the RootWindow's host has been resized.
22 virtual void OnRootWindowHostResized(const RootWindow* root) {}
24 // Invoked after the RootWindow's host has been moved on screen.
25 virtual void OnRootWindowHostMoved(const RootWindow* root,
26 const gfx::Point& new_origin) {}
28 // Invoked when the native windowing system sends us a request to close our
30 virtual void OnRootWindowHostCloseRequested(const RootWindow* root) {}
32 // Invoked when the keyboard mapping has changed.
33 virtual void OnKeyboardMappingChanged(const RootWindow* root) {}
36 virtual ~RootWindowObserver() {}
41 #endif // UI_AURA_ROOT_WINDOW_OBSERVER_H_