1 // Copyright 2013 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/events/event_switches.h" 6 7 namespace switches { 8 9 // Enable scroll prediction for scroll update events. 10 const char kEnableScrollPrediction[] = "enable-scroll-prediction"; 11 12 // Enable support for touch events. 13 const char kTouchEvents[] = "touch-events"; 14 15 // The values the kTouchEvents switch may have, as in --touch-events=disabled. 16 // auto: enabled at startup when an attached touchscreen is present. 17 const char kTouchEventsAuto[] = "auto"; 18 // enabled: touch events always enabled. 19 const char kTouchEventsEnabled[] = "enabled"; 20 // disabled: touch events are disabled. 21 const char kTouchEventsDisabled[] = "disabled"; 22 23 // Enable the unified gesture detector, instead of the aura gesture detector. 24 const char kUnifiedGestureDetector[] = "unified-gesture-detector"; 25 26 // The values the kUnifiedGestureDetector switch may have, as in 27 // --unified-gesture-detector=disabled. 28 // auto: Same as disabled. 29 const char kUnifiedGestureDetectorAuto[] = "auto"; 30 // enabled: Use the unified gesture detector. 31 const char kUnifiedGestureDetectorEnabled[] = "enabled"; 32 // disabled: Use the aura gesture detector. 33 const char kUnifiedGestureDetectorDisabled[] = "disabled"; 34 35 #if defined(OS_LINUX) 36 // Tells chrome to interpret events from these devices as touch events. Only 37 // available with XInput 2 (i.e. X server 1.8 or above). The id's of the 38 // devices can be retrieved from 'xinput list'. 39 const char kTouchDevices[] = "touch-devices"; 40 #endif 41 42 #if defined(USE_XI2_MT) || defined(USE_OZONE) 43 // The calibration factors given as "<left>,<right>,<top>,<bottom>". 44 const char kTouchCalibration[] = "touch-calibration"; 45 #endif 46 47 } // namespace switches 48
