1 // Copyright (c) 2011 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_VIEWS_REPEAT_CONTROLLER_H_
6 #define UI_VIEWS_REPEAT_CONTROLLER_H_
8 #include "base/callback.h"
9 #include "base/timer/timer.h"
13 ///////////////////////////////////////////////////////////////////////////////
17 // An object that handles auto-repeating UI actions. There is a longer initial
18 // delay after which point repeats become constant. Users provide a callback
19 // that is notified when each repeat occurs so that they can perform the
22 ///////////////////////////////////////////////////////////////////////////////
23 class RepeatController
{
25 // The RepeatController takes ownership of this callback object.
26 explicit RepeatController(const base::Closure
& callback
);
27 virtual ~RepeatController();
36 // Called when the timer expires.
40 base::OneShotTimer
<RepeatController
> timer_
;
42 base::Closure callback_
;
44 DISALLOW_COPY_AND_ASSIGN(RepeatController
);
49 #endif // UI_VIEWS_REPEAT_CONTROLLER_H_