The Tor Browser: browser/components/sessionstore/src/DocShellCapabilities.jsm@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     3 * You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 "use strict";

     7 this.EXPORTED_SYMBOLS = ["DocShellCapabilities"];

     9 /**

    10  * The external API exported by this module.

    11  */

    12 this.DocShellCapabilities = Object.freeze({

    13   collect: function (docShell) {

    14     return DocShellCapabilitiesInternal.collect(docShell);

    15   },

    17   restore: function (docShell, disallow) {

    18     return DocShellCapabilitiesInternal.restore(docShell, disallow);

    19   },

    20 });

    22 /**

    23  * Internal functionality to save and restore the docShell.allow* properties.

    24  */

    25 let DocShellCapabilitiesInternal = {

    26   // List of docShell capabilities to (re)store. These are automatically

    27   // retrieved from a given docShell if not already collected before.

    28   // This is made so they're automatically in sync with all nsIDocShell.allow*

    29   // properties.

    30   caps: null,

    32   allCapabilities: function (docShell) {

    33     if (!this.caps) {

    34       let keys = Object.keys(docShell);

    35       this.caps = keys.filter(k => k.startsWith("allow")).map(k => k.slice(5));

    36     }

    37     return this.caps;

    38   },

    40   collect: function (docShell) {

    41     let caps = this.allCapabilities(docShell);

    42     return caps.filter(cap => !docShell["allow" + cap]);

    43   },

    45   restore: function (docShell, disallow) {

    46     let caps = this.allCapabilities(docShell);

    47     for (let cap of caps)

    48       docShell["allow" + cap] = !disallow.has(cap);

    49   },

    50 };

The Tor Browser / file revision