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https://gitlab.winehq.org/wine/wine-gecko.git
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82 lines
2.2 KiB
JavaScript
82 lines
2.2 KiB
JavaScript
/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict"
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const Cu = Components.utils;
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const EXPORTED_SYMBOLS = ["ObjectWrapper"];
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// Makes sure that we expose correctly chrome JS objects to content.
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let ObjectWrapper = {
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getObjectKind: function objWrapper_getobjectkind(aObject) {
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if (!aObject) {
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return "null";
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}
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if (Array.isArray(aObject)) {
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return "array";
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} else if (aObject.mozSlice && (typeof aObject.mozSlice == "function")) {
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return "blob";
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} else if (typeof aObject == "object") {
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return "object";
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} else {
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return "primitive";
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}
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},
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wrap: function objWrapper_wrap(aObject, aCtxt) {
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if (!aObject) {
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return null;
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}
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// First check wich kind of object we have.
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let kind = this.getObjectKind(aObject);
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if (kind == "array") {
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let res = Cu.createArrayIn(aCtxt);
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aObject.forEach(function(aObj) {
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res.push(this.wrap(aObj, aCtxt));
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}, this);
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return res;
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} else if (kind == "blob") {
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return new aCtxt.Blob([aObject]);
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} else if (kind == "primitive") {
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return aObject;
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}
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// Fall-through, we now have a dictionnary object.
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let res = Cu.createObjectIn(aCtxt);
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let propList = { };
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for (let prop in aObject) {
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let value;
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let objProp = aObject[prop];
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let propKind = this.getObjectKind(objProp);
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if (propKind == "array") {
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value = Cu.createArrayIn(aCtxt);
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objProp.forEach(function(aObj) {
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value.push(this.wrap(aObj, aCtxt));
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}, this);
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} else if (propKind == "blob") {
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value = new aCtxt.Blob([objProp]);
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} else if (propKind == "object") {
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value = this.wrap(objProp, aCtxt);
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} else {
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value = objProp;
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}
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propList[prop] = {
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enumerable: true,
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configurable: true,
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writable: true,
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value: value
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}
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}
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Object.defineProperties(res, propList);
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Cu.makeObjectPropsNormal(res);
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return res;
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}
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}
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