gecko-dev/browser/components/sessionstore/content/content-sessionStore.js

40 lines
1 KiB
JavaScript

/* 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/. */
function debug(msg) {
Services.console.logStringMessage("SessionStoreContent: " + msg);
}
/**
* Listens for and handles content events that we need for the
* session store service to be notified of state changes in content.
*/
let EventListener = {
DOM_EVENTS: [
"pageshow", "change", "input"
],
init: function () {
this.DOM_EVENTS.forEach(e => addEventListener(e, this, true));
},
handleEvent: function (event) {
switch (event.type) {
case "pageshow":
if (event.persisted)
sendAsyncMessage("SessionStore:pageshow");
break;
case "input":
case "change":
sendAsyncMessage("SessionStore:input");
break;
default:
debug("received unknown event '" + event.type + "'");
break;
}
}
};
EventListener.init();