ScrollDelegateChild.sys.mjs

Enable keyboard shortcuts

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import { GeckoViewActorChild } from "resource://gre/modules/GeckoViewActorChild.sys.mjs";

export class ScrollDelegateChild extends GeckoViewActorChild {

  // eslint-disable-next-line complexity

  handleEvent(aEvent) {

    if (aEvent.originalTarget.ownerGlobal != this.contentWindow) {

      return;

    debug`handleEvent: ${aEvent.type}`;

    switch (aEvent.type) {

      case "mozvisualscroll":

        const x = {};

        const y = {};

        this.contentWindow.windowUtils.getVisualViewportOffset(x, y);

        this.eventDispatcher.sendRequest({

          type: "GeckoView:ScrollChanged",

          scrollX: x.value,

          scrollY: y.value,

});

        break;

const { debug, warn } = ScrollDelegateChild.initLogging("ScrollDelegate");