// Copyright 2017 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.

module ui.mojom;

import "ui/events/mojo/event.mojom";

// An interface offered by the window service which allows clients to inject
// events. This class is mainly provided for tests, but is also used for timing
// (telemetry).
interface EventInjector {
  // Takes an event and dispatches it as if it came from the native platform.
  // Responds with false on bad |display_id| or bad |event|; true once the
  // event has completed processin.
  //
  // If |event| is a LocatedEvent, then the coordinates must be in pixels, and
  // relative to the origin of the display identified by |display_id|.
  InjectEvent(int64 display_id, ui.mojom.Event event) => (bool result);

  // Takes an event and dispatches it as if it came from the native platform.
  // Similar to InjectEvent() but does not respond when processing is complete.
  InjectEventNoAck(int64 display_id, ui.mojom.Event event);
};