third_party/WebKit/Source/core/input/InputDeviceCapabilities.idl

   1 // Copyright 2015 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 // Represents capabilities for a group of related input devices.
   6 // To ease implementation, developers cannot rely on comparing two
   7 // InputDeviceCapabilities instances for equality. Now we only have two
   8 // InputDeviceCapabilities instances: one for devices which send touch
   9 // events, and one for those that don't, because currently all we care
  10 // about is if the input device fires touch events or not.
  11
  12 [
  13     Constructor(optional InputDeviceCapabilitiesInit deviceInitDict),
  14     RuntimeEnabled=InputDeviceCapabilities,
  15     GarbageCollected,
  16 ] interface InputDeviceCapabilities {
  17
  18     // Whether this device dispatches touch events for movement.  This is used to detect
  19     // mouse events which represent only an action that has already been handled  by
  20     // touch event handlers.
  21     readonly attribute boolean firesTouchEvents;
  22 };