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/* 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/. */
const { GeckoViewActorChild } = ChromeUtils.import(
"resource://gre/modules/GeckoViewActorChild.jsm"
);
const { XPCOMUtils } = ChromeUtils.import(
"resource://gre/modules/XPCOMUtils.jsm"
);
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
const EXPORTED_SYMBOLS = ["ScrollDelegateChild"];
class ScrollDelegateChild extends GeckoViewActorChild {
// eslint-disable-next-line complexity
handleEvent(aEvent) {
if (!this.isContentWindow) {
// This not a GeckoView-controlled window
return;
}
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");
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