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 "ui/views/repeat_controller.h" 6 7using base::TimeDelta; 8 9namespace 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/nsRepeatService.cpp#52 13const int kInitialRepeatDelay = 250; 14const int kRepeatDelay = 50; 15 16/////////////////////////////////////////////////////////////////////////////// 17// RepeatController, public: 18 19RepeatController::RepeatController(const base::Closure& callback) 20 : callback_(callback) { 21} 22 23RepeatController::~RepeatController() { 24} 25 26void 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 32void RepeatController::Stop() { 33 timer_.Stop(); 34} 35 36/////////////////////////////////////////////////////////////////////////////// 37// RepeatController, private: 38 39void RepeatController::Run() { 40 timer_.Start(FROM_HERE, TimeDelta::FromMilliseconds(kRepeatDelay), this, 41 &RepeatController::Run); 42 callback_.Run(); 43} 44 45} // namespace views 46