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addon-sdk/source/lib/sdk/places/events.js@6474c204b198 (annotated)

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