addon-sdk/source/examples/annotator/data/selector.js@ac0c01689b40
addon-sdk/source/examples/annotator/data/selector.js
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
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
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 /*
6 The selector locates elements that are suitable for annotation and enables
7 the user to select them.
9 On 'mouseenter' events associated with <p> elements:
10 - if the selector is active and the element is not already annotated
11 - find the nearest ancestor which has an id attribute: this is supposed to
12 make identification of this element more accurate
13 - highlight the element
14 - bind 'click' for the element to send a message back to the add-on, including
15 all the information associated with the anchor.
16 */
18 var matchedElement = null;
19 var originalBgColor = null;
20 var active = false;
22 function resetMatchedElement() {
23 if (matchedElement) {
24 matchedElement.css('background-color', originalBgColor);
25 matchedElement.unbind('click.annotator');
26 }
27 }
29 self.on('message', function onMessage(activation) {
30 active = activation;
31 if (!active) {
32 resetMatchedElement();
33 }
34 });
36 function getInnerText(element) {
37 // jQuery.text() returns content of <script> tags, we need to ignore those
38 var list = [];
39 element.find("*").andSelf().contents()
40 .filter(function () {
41 return this.nodeType == 3 && this.parentNode.tagName != "SCRIPT";
42 })
43 .each(function () {
44 list.push(this.nodeValue);
45 });
46 return list.join("");
47 }
49 $('*').mouseenter(function() {
50 if (!active || $(this).hasClass('annotated')) {
51 return;
52 }
53 resetMatchedElement();
54 ancestor = $(this).closest("[id]");
55 matchedElement = $(this).first();
56 originalBgColor = matchedElement.css('background-color');
57 matchedElement.css('background-color', 'yellow');
58 matchedElement.bind('click.annotator', function(event) {
59 event.stopPropagation();
60 event.preventDefault();
61 self.port.emit('show',
62 [
63 document.location.toString(),
64 ancestor.attr("id"),
65 getInnerText(matchedElement)
66 ]
67 );
68 });
69 });
71 $('*').mouseout(function() {
72 resetMatchedElement();
73 });
