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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
'use strict';
module.metadata = {
'stability': 'experimental',
'engines': {
'Firefox': '*',
"SeaMonkey": '*'
}
};
const { Cc, Ci } = require('chrome');
const { Unknown } = require('../platform/xpcom');
const { Class } = require('../core/heritage');
const { merge } = require('../util/object');
const bookmarkService = Cc['@mozilla.org/browser/nav-bookmarks-service;1']
.getService(Ci.nsINavBookmarksService);
const historyService = Cc['@mozilla.org/browser/nav-history-service;1']
.getService(Ci.nsINavHistoryService);
const { mapBookmarkItemType } = require('./utils');
const { EventTarget } = require('../event/target');
const { emit } = require('../event/core');
const { when } = require('../system/unload');
const emitter = EventTarget();
var HISTORY_ARGS = {
onBeginUpdateBatch: [],
onEndUpdateBatch: [],
onClearHistory: [],
onDeleteURI: ['url'],
onDeleteVisits: ['url', 'visitTime'],
onPageChanged: ['url', 'property', 'value'],
onTitleChanged: ['url', 'title'],
onVisit: [
'url', 'visitId', 'time', 'sessionId', 'referringId', 'transitionType'
]
};
var HISTORY_EVENTS = {
onBeginUpdateBatch: 'history-start-batch',
onEndUpdateBatch: 'history-end-batch',
onClearHistory: 'history-start-clear',
onDeleteURI: 'history-delete-url',
onDeleteVisits: 'history-delete-visits',
onPageChanged: 'history-page-changed',
onTitleChanged: 'history-title-changed',
onVisit: 'history-visit'
};
var BOOKMARK_ARGS = {
onItemAdded: [
'id', 'parentId', 'index', 'type', 'url', 'title', 'dateAdded'
],
onItemChanged: [
'id', 'property', null, 'value', 'lastModified', 'type', 'parentId'
],
onItemMoved: [
'id', 'previousParentId', 'previousIndex', 'currentParentId',
'currentIndex', 'type'
],
onItemRemoved: ['id', 'parentId', 'index', 'type', 'url'],
onItemVisited: ['id', 'visitId', 'time', 'transitionType', 'url', 'parentId']
};
var BOOKMARK_EVENTS = {
onItemAdded: 'bookmark-item-added',
onItemChanged: 'bookmark-item-changed',
onItemMoved: 'bookmark-item-moved',
onItemRemoved: 'bookmark-item-removed',
onItemVisited: 'bookmark-item-visited',
};
function createHandler (type, propNames) {
propNames = propNames || [];
return function (...args) {
let data = propNames.reduce((acc, prop, i) => {
if (prop)
acc[prop] = formatValue(prop, args[i]);
return acc;
}, {});
emit(emitter, 'data', {
type: type,
data: data
});
};
}
/*
* Creates an observer, creating handlers based off of
* the `events` names, and ordering arguments from `propNames` hash
*/
function createObserverInstance (events, propNames) {
let definition = Object.keys(events).reduce((prototype, eventName) => {
prototype[eventName] = createHandler(events[eventName], propNames[eventName]);
return prototype;
}, {});
return Class(merge(definition, { extends: Unknown }))();
}
/*
* Formats `data` based off of the value of `type`
*/
function formatValue (type, data) {
if (type === 'type')
return mapBookmarkItemType(data);
if (type === 'url' && data)
return data.spec;
return data;
}
var historyObserver = createObserverInstance(HISTORY_EVENTS, HISTORY_ARGS);
historyService.addObserver(historyObserver, false);
var bookmarkObserver = createObserverInstance(BOOKMARK_EVENTS, BOOKMARK_ARGS);
bookmarkService.addObserver(bookmarkObserver, false);
when(() => {
historyService.removeObserver(historyObserver);
bookmarkService.removeObserver(bookmarkObserver);
});
exports.events = emitter;
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