| // 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) : |
| switches::kTouchEventsAuto; |
| |
| 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 |