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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. | |
4 | |
5 #include "views/repeat_controller.h" | |
6 | |
7 using base::TimeDelta; | |
8 | |
9 namespace views { | |
10 | |
11 // The delay before the first and then subsequent repeats. Values taken from | |
12 // XUL code: http://mxr.mozilla.org/seamonkey/source/layout/xul/base/src/nsRepea
tService.cpp#52 | |
13 const int kInitialRepeatDelay = 250; | |
14 const int kRepeatDelay = 50; | |
15 | |
16 /////////////////////////////////////////////////////////////////////////////// | |
17 // RepeatController, public: | |
18 | |
19 RepeatController::RepeatController(const base::Closure& callback) | |
20 : callback_(callback) { | |
21 } | |
22 | |
23 RepeatController::~RepeatController() { | |
24 } | |
25 | |
26 void RepeatController::Start() { | |
27 // The first timer is slightly longer than subsequent repeats. | |
28 timer_.Start(FROM_HERE, TimeDelta::FromMilliseconds(kInitialRepeatDelay), | |
29 this, &RepeatController::Run); | |
30 } | |
31 | |
32 void RepeatController::Stop() { | |
33 timer_.Stop(); | |
34 } | |
35 | |
36 /////////////////////////////////////////////////////////////////////////////// | |
37 // RepeatController, private: | |
38 | |
39 void RepeatController::Run() { | |
40 timer_.Start(FROM_HERE, TimeDelta::FromMilliseconds(kRepeatDelay), this, | |
41 &RepeatController::Run); | |
42 callback_.Run(); | |
43 } | |
44 | |
45 } // namespace views | |
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