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Diffstat (limited to 'views/repeat_controller.cc')
-rw-r--r-- | views/repeat_controller.cc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/views/repeat_controller.cc b/views/repeat_controller.cc new file mode 100644 index 0000000..bb70852 --- /dev/null +++ b/views/repeat_controller.cc @@ -0,0 +1,45 @@ +// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "views/repeat_controller.h" + +using base::TimeDelta; + +namespace views { + +// The delay before the first and then subsequent repeats. Values taken from +// XUL code: http://mxr.mozilla.org/seamonkey/source/layout/xul/base/src/nsRepeatService.cpp#52 +static const int kInitialRepeatDelay = 250; +static const int kRepeatDelay = 50; + +/////////////////////////////////////////////////////////////////////////////// +// RepeatController, public: + +RepeatController::RepeatController(RepeatCallback* callback) + : callback_(callback) { +} + +RepeatController::~RepeatController() { +} + +void RepeatController::Start() { + // The first timer is slightly longer than subsequent repeats. + timer_.Start(TimeDelta::FromMilliseconds(kInitialRepeatDelay), this, + &RepeatController::Run); +} + +void RepeatController::Stop() { + timer_.Stop(); +} + +/////////////////////////////////////////////////////////////////////////////// +// RepeatController, private: + +void RepeatController::Run() { + timer_.Start(TimeDelta::FromMilliseconds(kRepeatDelay), this, + &RepeatController::Run); + callback_->Run(); +} + +} // namespace views |