addon-sdk/source/lib/sdk/event/dom.js@b8a032363ba2 (annotated)
addon-sdk/source/lib/sdk/event/dom.js
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| 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 |
| michael@0 | 3 | * file, 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 | module.metadata = { |
| michael@0 | 8 | "stability": "unstable" |
| michael@0 | 9 | }; |
| michael@0 | 10 | |
| michael@0 | 11 | let { emit } = require("./core"); |
| michael@0 | 12 | |
| michael@0 | 13 | // Simple utility function takes event target, event type and optional |
| michael@0 | 14 | // `options.capture` and returns node style event stream that emits "data" |
| michael@0 | 15 | // events every time event of that type occurs on the given `target`. |
| michael@0 | 16 | function open(target, type, options) { |
| michael@0 | 17 | let output = {}; |
| michael@0 | 18 | let capture = options && options.capture ? true : false; |
| michael@0 | 19 | |
| michael@0 | 20 | target.addEventListener(type, function(event) { |
| michael@0 | 21 | emit(output, "data", event); |
| michael@0 | 22 | }, capture); |
| michael@0 | 23 | |
| michael@0 | 24 | return output; |
| michael@0 | 25 | } |
| michael@0 | 26 | exports.open = open; |
