blob: 6d2aebf03cf29172c6283c8d081031eea3f468e4 [file] [log] [blame]
// Copyright 2013 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 "ui/base/touch/touch_enabled.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "ui/base/touch/touch_device.h"
#include "ui/base/ui_base_switches.h"
#include "ui/events/event_switches.h"
namespace ui {
bool AreTouchEventsEnabled() {
const CommandLine& command_line = *CommandLine::ForCurrentProcess();
const std::string touch_enabled_switch =
command_line.HasSwitch(switches::kTouchEvents) ?
command_line.GetSwitchValueASCII(switches::kTouchEvents) :
if (touch_enabled_switch.empty() ||
touch_enabled_switch == switches::kTouchEventsEnabled)
return true;
if (touch_enabled_switch == switches::kTouchEventsAuto)
return IsTouchDevicePresent();
if (touch_enabled_switch != switches::kTouchEventsDisabled)
LOG(ERROR) << "Invalid --touch-events option: " << touch_enabled_switch;
return false;
} // namespace ui