1 // Copyright 2014 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_SCOPED_WINDOW_TARGETER_H_
6 #define UI_AURA_SCOPED_WINDOW_TARGETER_H_
8 #include "base/macros.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "ui/aura/window_observer.h"
20 // ScopedWindowTargeter is used to temporarily replace the event-targeter for a
21 // window. Upon construction, it installs a new targeter on the window, and upon
22 // destruction, it restores the previous event-targeter on the window.
23 class AURA_EXPORT ScopedWindowTargeter : public WindowObserver {
25 ScopedWindowTargeter(Window* window,
26 scoped_ptr<ui::EventTargeter> new_targeter);
28 virtual ~ScopedWindowTargeter();
32 virtual void OnWindowDestroyed(Window* window) OVERRIDE;
35 scoped_ptr<ui::EventTargeter> old_targeter_;
37 DISALLOW_COPY_AND_ASSIGN(ScopedWindowTargeter);
42 #endif // UI_AURA_SCOPED_WINDOW_TARGETER_H_