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