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 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/nsRepeatService.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 46
