addon-sdk/source/examples/annotator/data/matcher.js

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
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 /*
michael@0 6 Locate anchors for annotations and prepare to display the annotations.
michael@0 7
michael@0 8 For each annotation, if its URL matches this page,
michael@0 9 - get the ancestor whose ID matches the ID in the anchor
michael@0 10 - look for a <p> element whose content contains the anchor text
michael@0 11
michael@0 12 That's considered a match. Then we:
michael@0 13 - highlight the anchor element
michael@0 14 - add an 'annotated' class to tell the selector to skip this element
michael@0 15 - embed the annottion text as a new attribute
michael@0 16
michael@0 17 For all annotated elements:
michael@0 18 - bind 'mouseenter' and 'mouseleave' events to the element, to send 'show'
michael@0 19 and 'hide' messages back to the add-on.
michael@0 20 */
michael@0 21
michael@0 22 self.on('message', function onMessage(annotations) {
michael@0 23 annotations.forEach(
michael@0 24 function(annotation) {
michael@0 25 if(annotation.url == document.location.toString()) {
michael@0 26 createAnchor(annotation);
michael@0 27 }
michael@0 28 });
michael@0 29
michael@0 30 $('.annotated').css('border', 'solid 3px yellow');
michael@0 31
michael@0 32 $('.annotated').bind('mouseenter', function(event) {
michael@0 33 self.port.emit('show', $(this).attr('annotation'));
michael@0 34 event.stopPropagation();
michael@0 35 event.preventDefault();
michael@0 36 });
michael@0 37
michael@0 38 $('.annotated').bind('mouseleave', function() {
michael@0 39 self.port.emit('hide');
michael@0 40 });
michael@0 41 });
michael@0 42
michael@0 43
michael@0 44 function createAnchor(annotation) {
michael@0 45 annotationAnchorAncestor = $('#' + annotation.ancestorId)[0] || document.body;
michael@0 46 annotationAnchor = $(annotationAnchorAncestor).parent().find(
michael@0 47 ':contains("' + annotation.anchorText + '")').last();
michael@0 48 annotationAnchor.addClass('annotated');
michael@0 49 annotationAnchor.attr('annotation', annotation.annotationText);
michael@0 50 }

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