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kmaglione/stdin.js

Created March 6, 2014 23:51
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stdin.js
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Jetpack.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Dietrich Ayala <dietrich@mozilla.com> (Original Author)
* Elisée Maurer <elisee@sparklin.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
Widget with an icon as background and a span with text as the badge.
Example:
<snippet>
const badges = require("BadgedWidget");
var widget = badges.BadgedWidget({
id: "mozilla-link",
label: "Mozilla!",
contentURL: "http://www.mozilla.org/favicon.ico"
});
widget.badge = {
text: '13',
color: 'white',
opacity: '0.5'
};
</snippet>
*/
const { Trait } = require("sdk/deprecated/traits");
const widgets = require('sdk/widget');
const BadgedWidget = Trait.compose({
constructor: function(options) {
this._imageURL = options.contentURL;
options.contentURL = this._makeContentURL(this._imageURL, this._badge);
this._widget = widgets.Widget(options);
this._widget.width += 10;
},
get widget() this._widget,
get badge() this._badge,
set badge(props) {
this._badge = props;
this._updateWidget();
},
_badge: {},
_updateWidget: function _updateWidget() {
this._widget.contentURL =
this._makeContentURL(this._imageURL, this._badge);
},
_makeContentURL: function _makeContentURL(imageURL, badge) {
let str =
'data:text/html,<html><body style="margin:0; padding:0;">' +
'<div style="position: relative;">' +
'<img src="' + imageURL + '">' +
'<span style="font-size: ' + (badge.size || '0.5em') + '; font-weight: bold; position: absolute; bottom: 0; right: 0; padding: 0; margin: 0;">' +
(badge.text || '') + '</span>' +
'<span style="font-size: ' + (badge.size || '0.5em') + '; background-color: ' + (badge.color || '') + ';' +
'position: absolute; bottom: 0; right: 0; opacity: ' + (badge.opacity || '') + '; padding: 0; margin: 0; -moz-border-radius: 0.2em;">' +
(badge.text || '') + '</span>' +
'</div>' +
'</body></html>';
return str;
}
});
exports.BadgedWidget = function(options) BadgedWidget(options);
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