browser/components/sessionstore/src/DocShellCapabilities.jsm@6474c204b198 (annotated)
browser/components/sessionstore/src/DocShellCapabilities.jsm
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this file, |
| michael@0 | 3 | * You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | "use strict"; |
| michael@0 | 6 | |
| michael@0 | 7 | this.EXPORTED_SYMBOLS = ["DocShellCapabilities"]; |
| michael@0 | 8 | |
| michael@0 | 9 | /** |
| michael@0 | 10 | * The external API exported by this module. |
| michael@0 | 11 | */ |
| michael@0 | 12 | this.DocShellCapabilities = Object.freeze({ |
| michael@0 | 13 | collect: function (docShell) { |
| michael@0 | 14 | return DocShellCapabilitiesInternal.collect(docShell); |
| michael@0 | 15 | }, |
| michael@0 | 16 | |
| michael@0 | 17 | restore: function (docShell, disallow) { |
| michael@0 | 18 | return DocShellCapabilitiesInternal.restore(docShell, disallow); |
| michael@0 | 19 | }, |
| michael@0 | 20 | }); |
| michael@0 | 21 | |
| michael@0 | 22 | /** |
| michael@0 | 23 | * Internal functionality to save and restore the docShell.allow* properties. |
| michael@0 | 24 | */ |
| michael@0 | 25 | let DocShellCapabilitiesInternal = { |
| michael@0 | 26 | // List of docShell capabilities to (re)store. These are automatically |
| michael@0 | 27 | // retrieved from a given docShell if not already collected before. |
| michael@0 | 28 | // This is made so they're automatically in sync with all nsIDocShell.allow* |
| michael@0 | 29 | // properties. |
| michael@0 | 30 | caps: null, |
| michael@0 | 31 | |
| michael@0 | 32 | allCapabilities: function (docShell) { |
| michael@0 | 33 | if (!this.caps) { |
| michael@0 | 34 | let keys = Object.keys(docShell); |
| michael@0 | 35 | this.caps = keys.filter(k => k.startsWith("allow")).map(k => k.slice(5)); |
| michael@0 | 36 | } |
| michael@0 | 37 | return this.caps; |
| michael@0 | 38 | }, |
| michael@0 | 39 | |
| michael@0 | 40 | collect: function (docShell) { |
| michael@0 | 41 | let caps = this.allCapabilities(docShell); |
| michael@0 | 42 | return caps.filter(cap => !docShell["allow" + cap]); |
| michael@0 | 43 | }, |
| michael@0 | 44 | |
| michael@0 | 45 | restore: function (docShell, disallow) { |
| michael@0 | 46 | let caps = this.allCapabilities(docShell); |
| michael@0 | 47 | for (let cap of caps) |
| michael@0 | 48 | docShell["allow" + cap] = !disallow.has(cap); |
| michael@0 | 49 | }, |
| michael@0 | 50 | }; |
