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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
* 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/. */
/**
* The external API exported by this module.
*/
export var SessionStoreHelper = Object.freeze({
buildRestoreData(formdata, scroll) {
return SessionStoreHelperInternal.buildRestoreData(formdata, scroll);
},
});
/**
* The internal API for the SessionStoreHelper module.
*/
var SessionStoreHelperInternal = {
/**
* Builds a single nsISessionStoreRestoreData tree for the provided |formdata|
* and |scroll| trees.
*/
buildRestoreData(formdata, scroll) {
function addFormEntries(root, fields, isXpath) {
for (let [key, value] of Object.entries(fields)) {
switch (typeof value) {
case "string":
root.addTextField(isXpath, key, value);
break;
case "boolean":
root.addCheckbox(isXpath, key, value);
break;
case "object": {
if (value === null) {
break;
}
if (
value.hasOwnProperty("type") &&
value.hasOwnProperty("fileList")
) {
root.addFileList(isXpath, key, value.type, value.fileList);
break;
}
if (
value.hasOwnProperty("selectedIndex") &&
value.hasOwnProperty("value")
) {
root.addSingleSelect(
isXpath,
key,
value.selectedIndex,
value.value
);
break;
}
if (
value.hasOwnProperty("value") &&
value.hasOwnProperty("state")
) {
root.addCustomElement(isXpath, key, value.value, value.state);
break;
}
if (
key === "sessionData" &&
["about:sessionrestore", "about:welcomeback"].includes(
formdata.url
)
) {
root.addTextField(isXpath, key, JSON.stringify(value));
break;
}
if (Array.isArray(value)) {
root.addMultipleSelect(isXpath, key, value);
break;
}
}
}
}
}
let root = SessionStoreUtils.constructSessionStoreRestoreData();
if (scroll?.hasOwnProperty("scroll")) {
root.scroll = scroll.scroll;
}
if (formdata?.hasOwnProperty("url")) {
root.url = formdata.url;
if (formdata.hasOwnProperty("innerHTML")) {
// eslint-disable-next-line no-unsanitized/property
root.innerHTML = formdata.innerHTML;
}
if (formdata.hasOwnProperty("xpath")) {
addFormEntries(root, formdata.xpath, /* isXpath */ true);
}
if (formdata.hasOwnProperty("id")) {
addFormEntries(root, formdata.id, /* isXpath */ false);
}
}
let childrenLength = Math.max(
scroll?.children?.length || 0,
formdata?.children?.length || 0
);
for (let i = 0; i < childrenLength; i++) {
root.addChild(
this.buildRestoreData(formdata?.children?.[i], scroll?.children?.[i]),
i
);
}
return root;
},
};
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