forked from mirrors/gecko-dev
110 lines
3.3 KiB
JavaScript
110 lines
3.3 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* The external API exported by this module.
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*/
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export var SessionStoreHelper = Object.freeze({
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buildRestoreData(formdata, scroll) {
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return SessionStoreHelperInternal.buildRestoreData(formdata, scroll);
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},
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});
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/**
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* The internal API for the SessionStoreHelper module.
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*/
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var SessionStoreHelperInternal = {
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/**
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* Builds a single nsISessionStoreRestoreData tree for the provided |formdata|
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* and |scroll| trees.
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*/
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buildRestoreData(formdata, scroll) {
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function addFormEntries(root, fields, isXpath) {
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for (let [key, value] of Object.entries(fields)) {
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switch (typeof value) {
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case "string":
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root.addTextField(isXpath, key, value);
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break;
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case "boolean":
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root.addCheckbox(isXpath, key, value);
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break;
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case "object": {
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if (value === null) {
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break;
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}
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if (
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value.hasOwnProperty("type") &&
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value.hasOwnProperty("fileList")
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) {
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root.addFileList(isXpath, key, value.type, value.fileList);
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break;
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}
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if (
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value.hasOwnProperty("selectedIndex") &&
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value.hasOwnProperty("value")
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) {
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root.addSingleSelect(
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isXpath,
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key,
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value.selectedIndex,
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value.value
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);
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break;
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}
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if (
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value.hasOwnProperty("value") &&
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value.hasOwnProperty("state")
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) {
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root.addCustomElement(isXpath, key, value.value, value.state);
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break;
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}
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if (
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key === "sessionData" &&
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["about:sessionrestore", "about:welcomeback"].includes(
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formdata.url
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)
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) {
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root.addTextField(isXpath, key, JSON.stringify(value));
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break;
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}
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if (Array.isArray(value)) {
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root.addMultipleSelect(isXpath, key, value);
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break;
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}
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}
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}
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}
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}
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let root = SessionStoreUtils.constructSessionStoreRestoreData();
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if (scroll?.hasOwnProperty("scroll")) {
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root.scroll = scroll.scroll;
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}
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if (formdata?.hasOwnProperty("url")) {
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root.url = formdata.url;
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if (formdata.hasOwnProperty("innerHTML")) {
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// eslint-disable-next-line no-unsanitized/property
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root.innerHTML = formdata.innerHTML;
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}
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if (formdata.hasOwnProperty("xpath")) {
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addFormEntries(root, formdata.xpath, /* isXpath */ true);
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}
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if (formdata.hasOwnProperty("id")) {
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addFormEntries(root, formdata.id, /* isXpath */ false);
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}
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}
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let childrenLength = Math.max(
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scroll?.children?.length || 0,
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formdata?.children?.length || 0
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);
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for (let i = 0; i < childrenLength; i++) {
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root.addChild(
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this.buildRestoreData(formdata?.children?.[i], scroll?.children?.[i]),
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i
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);
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}
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return root;
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},
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};
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