dom/base/ObjectWrapper.jsm

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/base/ObjectWrapper.jsm	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,52 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +"use strict"
     1.9 +
    1.10 +const Cu = Components.utils;
    1.11 +const Cc = Components.classes;
    1.12 +const Ci = Components.interfaces;
    1.13 +
    1.14 +this.EXPORTED_SYMBOLS = ["ObjectWrapper"];
    1.15 +
    1.16 +// Makes sure that we expose correctly chrome JS objects to content.
    1.17 +
    1.18 +const TypedArrayThings = [
    1.19 +  "Int8Array",
    1.20 +  "Uint8Array",
    1.21 +  "Uint8ClampedArray",
    1.22 +  "Int16Array",
    1.23 +  "Uint16Array",
    1.24 +  "Int32Array",
    1.25 +  "Uint32Array",
    1.26 +  "Float32Array",
    1.27 +  "Float64Array",
    1.28 +];
    1.29 +
    1.30 +this.ObjectWrapper = {
    1.31 +  getObjectKind: function objWrapper_getObjectKind(aObject) {
    1.32 +    if (aObject === null || aObject === undefined) {
    1.33 +      return "primitive";
    1.34 +    } else if (Array.isArray(aObject)) {
    1.35 +      return "array";
    1.36 +    } else if (aObject instanceof Ci.nsIDOMFile) {
    1.37 +      return "file";
    1.38 +    } else if (aObject instanceof Ci.nsIDOMBlob) {
    1.39 +      return "blob";
    1.40 +    } else if (aObject instanceof Date) {
    1.41 +      return "date";
    1.42 +    } else if (TypedArrayThings.indexOf(aObject.constructor.name) !== -1) {
    1.43 +      return aObject.constructor.name;
    1.44 +    } else if (typeof aObject == "object") {
    1.45 +      return "object";
    1.46 +    } else {
    1.47 +      return "primitive";
    1.48 +    }
    1.49 +  },
    1.50 +
    1.51 +  wrap: function objWrapper_wrap(aObject, aCtxt) {
    1.52 +    dump("-*- ObjectWrapper is deprecated. Use Components.utils.cloneInto() instead.\n");
    1.53 +    return Cu.cloneInto(aObject, aCtxt, { cloneFunctions: true });
    1.54 +  }
    1.55 +}

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