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// Copyright 2015 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.
// Represents capabilities for a group of related input devices.
// To ease implementation, developers cannot rely on comparing two
// InputDeviceCapabilities instances for equality. Now we only have two
// InputDeviceCapabilities instances: one for devices which send touch
// events, and one for those that don't, because currently all we care
// about is if the input device fires touch events or not.
// https://wicg.github.io/InputDeviceCapabilities/#the-inputdevicecapabilities-interface
[
Exposed=Window
] interface InputDeviceCapabilities {
constructor(optional InputDeviceCapabilitiesInit deviceInitDict = {});
// Whether this device dispatches touch events for movement. This is used to detect
// mouse events which represent only an action that has already been handled by
// touch event handlers.
[Measure] readonly attribute boolean firesTouchEvents;
};
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