The Tor Browser / file comparison
comparison: addon-sdk/source/lib/sdk/places/events.js
addon-sdk/source/lib/sdk/places/events.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:9a3485bc6530 |
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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 'use strict'; | |
| 6 | |
| 7 module.metadata = { | |
| 8 'stability': 'experimental', | |
| 9 'engines': { | |
| 10 'Firefox': '*' | |
| 11 } | |
| 12 }; | |
| 13 | |
| 14 const { Cc, Ci } = require('chrome'); | |
| 15 const { Unknown } = require('../platform/xpcom'); | |
| 16 const { Class } = require('../core/heritage'); | |
| 17 const { merge } = require('../util/object'); | |
| 18 const bookmarkService = Cc['@mozilla.org/browser/nav-bookmarks-service;1'] | |
| 19 .getService(Ci.nsINavBookmarksService); | |
| 20 const historyService = Cc['@mozilla.org/browser/nav-history-service;1'] | |
| 21 .getService(Ci.nsINavHistoryService); | |
| 22 const { mapBookmarkItemType } = require('./utils'); | |
| 23 const { EventTarget } = require('../event/target'); | |
| 24 const { emit } = require('../event/core'); | |
| 25 | |
| 26 const emitter = EventTarget(); | |
| 27 | |
| 28 let HISTORY_ARGS = { | |
| 29 onBeginUpdateBatch: [], | |
| 30 onEndUpdateBatch: [], | |
| 31 onClearHistory: [], | |
| 32 onDeleteURI: ['url'], | |
| 33 onDeleteVisits: ['url', 'visitTime'], | |
| 34 onPageChanged: ['url', 'property', 'value'], | |
| 35 onTitleChanged: ['url', 'title'], | |
| 36 onVisit: [ | |
| 37 'url', 'visitId', 'time', 'sessionId', 'referringId', 'transitionType' | |
| 38 ] | |
| 39 }; | |
| 40 | |
| 41 let HISTORY_EVENTS = { | |
| 42 onBeginUpdateBatch: 'history-start-batch', | |
| 43 onEndUpdateBatch: 'history-end-batch', | |
| 44 onClearHistory: 'history-start-clear', | |
| 45 onDeleteURI: 'history-delete-url', | |
| 46 onDeleteVisits: 'history-delete-visits', | |
| 47 onPageChanged: 'history-page-changed', | |
| 48 onTitleChanged: 'history-title-changed', | |
| 49 onVisit: 'history-visit' | |
| 50 }; | |
| 51 | |
| 52 let BOOKMARK_ARGS = { | |
| 53 onItemAdded: [ | |
| 54 'id', 'parentId', 'index', 'type', 'url', 'title', 'dateAdded' | |
| 55 ], | |
| 56 onItemChanged: [ | |
| 57 'id', 'property', null, 'value', 'lastModified', 'type', 'parentId' | |
| 58 ], | |
| 59 onItemMoved: [ | |
| 60 'id', 'previousParentId', 'previousIndex', 'currentParentId', | |
| 61 'currentIndex', 'type' | |
| 62 ], | |
| 63 onItemRemoved: ['id', 'parentId', 'index', 'type', 'url'], | |
| 64 onItemVisited: ['id', 'visitId', 'time', 'transitionType', 'url', 'parentId'] | |
| 65 }; | |
| 66 | |
| 67 let BOOKMARK_EVENTS = { | |
| 68 onItemAdded: 'bookmark-item-added', | |
| 69 onItemChanged: 'bookmark-item-changed', | |
| 70 onItemMoved: 'bookmark-item-moved', | |
| 71 onItemRemoved: 'bookmark-item-removed', | |
| 72 onItemVisited: 'bookmark-item-visited', | |
| 73 }; | |
| 74 | |
| 75 function createHandler (type, propNames) { | |
| 76 propNames = propNames || []; | |
| 77 return function (...args) { | |
| 78 let data = propNames.reduce((acc, prop, i) => { | |
| 79 if (prop) | |
| 80 acc[prop] = formatValue(prop, args[i]); | |
| 81 return acc; | |
| 82 }, {}); | |
| 83 | |
| 84 emit(emitter, 'data', { | |
| 85 type: type, | |
| 86 data: data | |
| 87 }); | |
| 88 }; | |
| 89 } | |
| 90 | |
| 91 /* | |
| 92 * Creates an observer, creating handlers based off of | |
| 93 * the `events` names, and ordering arguments from `propNames` hash | |
| 94 */ | |
| 95 function createObserverInstance (events, propNames) { | |
| 96 let definition = Object.keys(events).reduce((prototype, eventName) => { | |
| 97 prototype[eventName] = createHandler(events[eventName], propNames[eventName]); | |
| 98 return prototype; | |
| 99 }, {}); | |
| 100 | |
| 101 return Class(merge(definition, { extends: Unknown }))(); | |
| 102 } | |
| 103 | |
| 104 /* | |
| 105 * Formats `data` based off of the value of `type` | |
| 106 */ | |
| 107 function formatValue (type, data) { | |
| 108 if (type === 'type') | |
| 109 return mapBookmarkItemType(data); | |
| 110 if (type === 'url' && data) | |
| 111 return data.spec; | |
| 112 return data; | |
| 113 } | |
| 114 | |
| 115 let historyObserver = createObserverInstance(HISTORY_EVENTS, HISTORY_ARGS); | |
| 116 historyService.addObserver(historyObserver, false); | |
| 117 | |
| 118 let bookmarkObserver = createObserverInstance(BOOKMARK_EVENTS, BOOKMARK_ARGS); | |
| 119 bookmarkService.addObserver(bookmarkObserver, false); | |
| 120 | |
| 121 exports.events = emitter; |
