Merge branch 'ext-work'

9 files changed, 1487 insertions, 0 deletions

diff --git a/toolkit/jetpack/sdk/places/bookmarks.js b/toolkit/jetpack/sdk/places/bookmarks.js
new file mode 100644
index 000000000..c4f9528f1
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/bookmarks.js
@@ -0,0 +1,395 @@
+/* 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": "unstable",
+  "engines": {
+    "Firefox": "*",
+    "SeaMonkey": "*"
+  }
+};
+
+/*
+ * Requiring hosts so they can subscribe to client messages
+ */
+require('./host/host-bookmarks');
+require('./host/host-tags');
+require('./host/host-query');
+
+const { Cc, Ci } = require('chrome');
+const { Class } = require('../core/heritage');
+const { send } = require('../addon/events');
+const { defer, reject, all, resolve, promised } = require('../core/promise');
+const { EventTarget } = require('../event/target');
+const { emit } = require('../event/core');
+const { identity, defer:async } = require('../lang/functional');
+const { extend, merge } = require('../util/object');
+const { fromIterator } = require('../util/array');
+const {
+  constructTree, fetchItem, createQuery,
+  isRootGroup, createQueryOptions
+} = require('./utils');
+const {
+  bookmarkContract, groupContract, separatorContract
+} = require('./contract');
+const bmsrv = Cc["@mozilla.org/browser/nav-bookmarks-service;1"].
+                getService(Ci.nsINavBookmarksService);
+
+/*
+ * Mapping of uncreated bookmarks with their created
+ * counterparts
+ */
+const itemMap = new WeakMap();
+
+/*
+ * Constant used by nsIHistoryQuery; 1 is a bookmark query
+ * https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryQueryOptions
+ */
+const BOOKMARK_QUERY = 1;
+
+/*
+ * Bookmark Item classes
+ */
+
+const Bookmark = Class({
+  extends: [
+    bookmarkContract.properties(identity)
+  ],
+  initialize: function initialize (options) {
+    merge(this, bookmarkContract(extend(defaults, options)));
+  },
+  type: 'bookmark',
+  toString: () => '[object Bookmark]'
+});
+exports.Bookmark = Bookmark;
+
+const Group = Class({
+  extends: [
+    groupContract.properties(identity)
+  ],
+  initialize: function initialize (options) {
+    // Don't validate if root group
+    if (isRootGroup(options))
+      merge(this, options);
+    else
+      merge(this, groupContract(extend(defaults, options)));
+  },
+  type: 'group',
+  toString: () => '[object Group]'
+});
+exports.Group = Group;
+
+const Separator = Class({
+  extends: [
+    separatorContract.properties(identity)
+  ],
+  initialize: function initialize (options) {
+    merge(this, separatorContract(extend(defaults, options)));
+  },
+  type: 'separator',
+  toString: () => '[object Separator]'
+});
+exports.Separator = Separator;
+
+/*
+ * Functions
+ */
+
+function save (items, options) {
+  items = [].concat(items);
+  options = options || {};
+  let emitter = EventTarget();
+  let results = [];
+  let errors = [];
+  let root = constructTree(items);
+  let cache = new Map();
+
+  let isExplicitSave = item => !!~items.indexOf(item);
+  // `walk` returns an aggregate promise indicating the completion
+  // of the `commitItem` on each node, not whether or not that
+  // commit was successful
+
+  // Force this to be async, as if a ducktype fails validation,
+  // the promise implementation will fire an error event, which will
+  // not trigger the handler as it's not yet bound
+  //
+  // Can remove after `Promise.jsm` is implemented in Bug 881047,
+  // which will guarantee next tick execution
+  async(() => root.walk(preCommitItem).then(commitComplete))();
+
+  function preCommitItem ({value:item}) {
+    // Do nothing if tree root, default group (unsavable),
+    // or if it's a dependency and not explicitly saved (in the list
+    // of items to be saved), and not needed to be saved
+    if (item === null || // node is the tree root
+        isRootGroup(item) ||
+        (getId(item) && !isExplicitSave(item)))
+      return;
+
+    return promised(validate)(item)
+      .then(() => commitItem(item, options))
+      .then(data => construct(data, cache))
+      .then(savedItem => {
+        // If item was just created, make a map between
+        // the creation object and created object,
+        // so we can reference the item that doesn't have an id
+        if (!getId(item))
+          saveId(item, savedItem.id);
+
+        // Emit both the processed item, and original item
+        // so a mapping can be understood in handler
+        emit(emitter, 'data', savedItem, item);
+       
+        // Push to results iff item was explicitly saved
+        if (isExplicitSave(item))
+          results[items.indexOf(item)] = savedItem;
+      }, reason => {
+        // Force reason to be a string for consistency
+        reason = reason + '';
+        // Emit both the reason, and original item
+        // so a mapping can be understood in handler
+        emit(emitter, 'error', reason + '', item);
+        // Store unsaved item in results list
+        results[items.indexOf(item)] = item;
+        errors.push(reason);
+      });
+  }
+
+  // Called when traversal of the node tree is completed and all
+  // items have been committed
+  function commitComplete () {
+    emit(emitter, 'end', results);
+  }
+
+  return emitter;
+}
+exports.save = save;
+
+function search (queries, options) {
+  queries = [].concat(queries);
+  let emitter = EventTarget();
+  let cache = new Map();
+  let queryObjs = queries.map(createQuery.bind(null, BOOKMARK_QUERY));
+  let optionsObj = createQueryOptions(BOOKMARK_QUERY, options);
+
+  // Can remove after `Promise.jsm` is implemented in Bug 881047,
+  // which will guarantee next tick execution
+  async(() => {
+    send('sdk-places-query', { queries: queryObjs, options: optionsObj })
+      .then(handleQueryResponse);
+  })();
+    
+  function handleQueryResponse (data) {
+    let deferreds = data.map(item => {
+      return construct(item, cache).then(bookmark => {
+        emit(emitter, 'data', bookmark);
+        return bookmark;
+      }, reason => {
+        emit(emitter, 'error', reason);
+        errors.push(reason);
+      });
+    });
+
+    all(deferreds).then(data => {
+      emit(emitter, 'end', data);
+    }, () => emit(emitter, 'end', []));
+  }
+
+  return emitter;
+}
+exports.search = search;
+
+function remove (items) {
+  return [].concat(items).map(item => {
+    item.remove = true;
+    return item;
+  });
+}
+
+exports.remove = remove;
+
+/*
+ * Internal Utilities
+ */
+
+function commitItem (item, options) {
+  // Get the item's ID, or getId it's saved version if it exists
+  let id = getId(item);
+  let data = normalize(item);
+  let promise;
+
+  data.id = id;
+
+  if (!id) {
+    promise = send('sdk-places-bookmarks-create', data);
+  } else if (item.remove) {
+    promise = send('sdk-places-bookmarks-remove', { id: id });
+  } else {
+    promise = send('sdk-places-bookmarks-last-updated', {
+      id: id
+    }).then(function (updated) {
+      // If attempting to save an item that is not the 
+      // latest snapshot of a bookmark item, execute
+      // the resolution function
+      if (updated !== item.updated && options.resolve)
+        return fetchItem(id)
+          .then(options.resolve.bind(null, data));
+      else
+        return data;
+    }).then(send.bind(null, 'sdk-places-bookmarks-save'));
+  }
+
+  return promise;
+}
+
+/*
+ * Turns a bookmark item into a plain object,
+ * converts `tags` from Set to Array, group instance to an id
+ */
+function normalize (item) {
+  let data = merge({}, item);
+  // Circumvent prototype property of `type`
+  delete data.type;
+  data.type = item.type;
+  data.tags = [];
+  if (item.tags) {
+    data.tags = fromIterator(item.tags);
+  }
+  data.group = getId(data.group) || exports.UNSORTED.id;
+
+  return data;
+}
+
+/*
+ * Takes a data object and constructs a BookmarkItem instance
+ * of it, recursively generating parent instances as well.
+ *
+ * Pass in a `cache` Map to reuse instances of
+ * bookmark items to reduce overhead;
+ * The cache object is a map of id to a deferred with a 
+ * promise that resolves to the bookmark item.
+ */
+function construct (object, cache, forced) {
+  let item = instantiate(object);
+  let deferred = defer();
+
+  // Item could not be instantiated
+  if (!item)
+    return resolve(null);
+
+  // Return promise for item if found in the cache,
+  // and not `forced`. `forced` indicates that this is the construct
+  // call that should not read from cache, but should actually perform
+  // the construction, as it was set before several async calls
+  if (cache.has(item.id) && !forced)
+    return cache.get(item.id).promise;
+  else if (cache.has(item.id))
+    deferred = cache.get(item.id);
+  else
+    cache.set(item.id, deferred);
+
+  // When parent group is found in cache, use
+  // the same deferred value
+  if (item.group && cache.has(item.group)) {
+    cache.get(item.group).promise.then(group => {
+      item.group = group;
+      deferred.resolve(item);
+    });
+
+  // If not in the cache, and a root group, return
+  // the premade instance
+  } else if (rootGroups.get(item.group)) {
+    item.group = rootGroups.get(item.group);
+    deferred.resolve(item);
+
+  // If not in the cache or a root group, fetch the parent
+  } else {
+    cache.set(item.group, defer());
+    fetchItem(item.group).then(group => {
+      return construct(group, cache, true);
+    }).then(group => {
+      item.group = group;
+      deferred.resolve(item);
+    }, deferred.reject);
+  }
+
+  return deferred.promise;
+}
+
+function instantiate (object) {
+  if (object.type === 'bookmark')
+    return Bookmark(object);
+  if (object.type === 'group')
+    return Group(object);
+  if (object.type === 'separator')
+    return Separator(object);
+  return null;
+}
+
+/**
+ * Validates a bookmark item; will throw an error if ininvalid,
+ * to be used with `promised`. As bookmark items check on their class,
+ * this only checks ducktypes
+ */
+function validate (object) {
+  if (!isDuckType(object)) return true;
+  let contract = object.type === 'bookmark' ? bookmarkContract :
+                 object.type === 'group' ? groupContract :
+                 object.type === 'separator' ? separatorContract :
+                 null;
+  if (!contract) {
+    throw Error('No type specified');
+  }
+
+  // If object has a property set, and undefined,
+  // manually override with default as it'll fail otherwise
+  let withDefaults = Object.keys(defaults).reduce((obj, prop) => {
+    if (obj[prop] == null) obj[prop] = defaults[prop];
+    return obj;
+  }, extend(object));
+
+  contract(withDefaults);
+}
+
+function isDuckType (item) {
+  return !(item instanceof Bookmark) &&
+    !(item instanceof Group) &&
+    !(item instanceof Separator);
+}
+
+function saveId (unsaved, id) {
+  itemMap.set(unsaved, id);
+}
+
+// Fetches an item's ID from itself, or from the mapped items
+function getId (item) {
+  return typeof item === 'number' ? item :
+    item ? item.id || itemMap.get(item) :
+    null;
+}
+
+/*
+ * Set up the default, root groups
+ */
+
+var defaultGroupMap = {
+  MENU: bmsrv.bookmarksMenuFolder,
+  TOOLBAR: bmsrv.toolbarFolder,
+  UNSORTED: bmsrv.unfiledBookmarksFolder
+};
+
+var rootGroups = new Map();
+
+for (let i in defaultGroupMap) {
+  let group = Object.freeze(Group({ title: i, id: defaultGroupMap[i] }));
+  rootGroups.set(defaultGroupMap[i], group);
+  exports[i] = group;
+}
+
+var defaults = {
+  group: exports.UNSORTED,
+  index: -1
+};
diff --git a/toolkit/jetpack/sdk/places/contract.js b/toolkit/jetpack/sdk/places/contract.js
new file mode 100644
index 000000000..a3541c34d
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/contract.js
@@ -0,0 +1,73 @@
+/* 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": "unstable"
+};
+
+const { Cc, Ci } = require('chrome');
+const { isValidURI, URL } = require('../url');
+const { contract } = require('../util/contract');
+const { extend } = require('../util/object');
+
+// map of property validations
+const validItem = {
+  id: {
+    is: ['number', 'undefined', 'null'],
+  },
+  group: {
+    is: ['object', 'number', 'undefined', 'null'],
+    ok: function (value) {
+      return value &&
+        (value.toString && value.toString() === '[object Group]') ||
+        typeof value === 'number' ||
+        value.type === 'group';
+    },
+    msg: 'The `group` property must be a valid Group object'
+  },
+  index: {
+    is: ['undefined', 'null', 'number'],
+    map: value => value == null ? -1 : value,
+    msg: 'The `index` property must be a number.'
+  },
+  updated: {
+    is: ['number', 'undefined']
+  }
+};
+
+const validTitle = {
+  title: {
+    is: ['string'],
+    msg: 'The `title` property must be defined.'
+  }
+};
+
+const validURL = {
+  url: {
+    is: ['string'],
+    ok: isValidURI,
+    msg: 'The `url` property must be a valid URL.'
+  }
+};
+
+const validTags = {
+  tags: {
+    is: ['object'],
+    ok: tags => tags instanceof Set,
+    map: function (tags) {
+      if (Array.isArray(tags))
+        return new Set(tags);
+      if (tags == null)
+        return new Set();
+      return tags;
+    },
+    msg: 'The `tags` property must be a Set, or an array'
+  }
+};
+
+exports.bookmarkContract = contract(
+  extend(validItem, validTitle, validURL, validTags));
+exports.separatorContract = contract(validItem);
+exports.groupContract = contract(extend(validItem, validTitle));
diff --git a/toolkit/jetpack/sdk/places/events.js b/toolkit/jetpack/sdk/places/events.js
new file mode 100644
index 000000000..a3f95ee03
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/events.js
@@ -0,0 +1,128 @@
+/* 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;
diff --git a/toolkit/jetpack/sdk/places/favicon.js b/toolkit/jetpack/sdk/places/favicon.js
new file mode 100644
index 000000000..05b057db1
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/favicon.js
@@ -0,0 +1,49 @@
+/* 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": "unstable",
+  "engines": {
+    "Firefox": "*",
+    "SeaMonkey": "*"
+  }
+};
+
+const { Cc, Ci, Cu } = require("chrome");
+const { defer, reject } = require("../core/promise");
+const FaviconService = Cc["@mozilla.org/browser/favicon-service;1"].
+                          getService(Ci.nsIFaviconService);
+const AsyncFavicons = FaviconService.QueryInterface(Ci.mozIAsyncFavicons);
+const { isValidURI } = require("../url");
+const { newURI, getURL } = require("../url/utils");
+
+/**
+ * Takes an object of several possible types and
+ * returns a promise that resolves to the page's favicon URI.
+ * @param {String|Tab} object
+ * @param {Function} (callback)
+ * @returns {Promise}
+ */
+
+function getFavicon (object, callback) {
+  let url = getURL(object);
+  let deferred = defer();
+
+  if (url && isValidURI(url)) {
+    AsyncFavicons.getFaviconURLForPage(newURI(url), function (aURI) {
+      if (aURI && aURI.spec)
+        deferred.resolve(aURI.spec.toString());
+      else
+        deferred.reject(null);
+    });
+  } else {
+    deferred.reject(null);
+  }
+
+  if (callback) deferred.promise.then(callback, callback);
+  return deferred.promise;
+}
+exports.getFavicon = getFavicon;
diff --git a/toolkit/jetpack/sdk/places/history.js b/toolkit/jetpack/sdk/places/history.js
new file mode 100644
index 000000000..b243b024c
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/history.js
@@ -0,0 +1,65 @@
+/* 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": "unstable",
+  "engines": {
+    "Firefox": "*",
+    "SeaMonkey": "*"
+  }
+};
+
+/*
+ * Requiring hosts so they can subscribe to client messages
+ */
+require('./host/host-bookmarks');
+require('./host/host-tags');
+require('./host/host-query');
+
+const { Cc, Ci } = require('chrome');
+const { Class } = require('../core/heritage');
+const { events, send } = require('../addon/events');
+const { defer, reject, all } = require('../core/promise');
+const { uuid } = require('../util/uuid');
+const { flatten } = require('../util/array');
+const { has, extend, merge, pick } = require('../util/object');
+const { emit } = require('../event/core');
+const { defer: async } = require('../lang/functional');
+const { EventTarget } = require('../event/target');
+const {
+  urlQueryParser, createQuery, createQueryOptions
+} = require('./utils');
+
+/*
+ * Constant used by nsIHistoryQuery; 0 is a history query
+ * https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryQueryOptions
+ */
+const HISTORY_QUERY = 0;
+
+var search = function query (queries, options) {
+  queries = [].concat(queries);
+  let emitter = EventTarget();
+  let queryObjs = queries.map(createQuery.bind(null, HISTORY_QUERY));
+  let optionsObj = createQueryOptions(HISTORY_QUERY, options);
+
+  // Can remove after `Promise.jsm` is implemented in Bug 881047,
+  // which will guarantee next tick execution
+  async(() => {
+    send('sdk-places-query', {
+      query: queryObjs,
+      options: optionsObj
+    }).then(results => {
+      results.map(item => emit(emitter, 'data', item));
+      emit(emitter, 'end', results);
+    }, reason => {
+      emit(emitter, 'error', reason);
+      emit(emitter, 'end', []);
+    });
+  })();
+
+  return emitter;
+};
+exports.search = search;
diff --git a/toolkit/jetpack/sdk/places/host/host-bookmarks.js b/toolkit/jetpack/sdk/places/host/host-bookmarks.js
new file mode 100644
index 000000000..3245c4070
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/host/host-bookmarks.js
@@ -0,0 +1,238 @@
+/* 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 browserHistory = Cc["@mozilla.org/browser/nav-history-service;1"].
+                       getService(Ci.nsIBrowserHistory);
+const asyncHistory = Cc["@mozilla.org/browser/history;1"].
+                     getService(Ci.mozIAsyncHistory);
+const bmsrv = Cc["@mozilla.org/browser/nav-bookmarks-service;1"].
+                        getService(Ci.nsINavBookmarksService);
+const taggingService = Cc["@mozilla.org/browser/tagging-service;1"].
+                       getService(Ci.nsITaggingService);
+const ios = Cc['@mozilla.org/network/io-service;1'].
+            getService(Ci.nsIIOService);
+const { query } = require('./host-query');
+const {
+  defer, all, resolve, promised, reject
+} = require('../../core/promise');
+const { request, response } = require('../../addon/host');
+const { send } = require('../../addon/events');
+const { on, emit } = require('../../event/core');
+const { filter } = require('../../event/utils');
+const { URL, isValidURI } = require('../../url');
+const { newURI } = require('../../url/utils');
+
+const DEFAULT_INDEX = bmsrv.DEFAULT_INDEX;
+const UNSORTED_ID = bmsrv.unfiledBookmarksFolder;
+const ROOT_FOLDERS = [
+  bmsrv.unfiledBookmarksFolder, bmsrv.toolbarFolder,
+  bmsrv.tagsFolder, bmsrv.bookmarksMenuFolder
+];
+
+const EVENT_MAP = {
+  'sdk-places-bookmarks-create': createBookmarkItem,
+  'sdk-places-bookmarks-save': saveBookmarkItem,
+  'sdk-places-bookmarks-last-updated': getBookmarkLastUpdated,
+  'sdk-places-bookmarks-get': getBookmarkItem,
+  'sdk-places-bookmarks-remove': removeBookmarkItem,
+  'sdk-places-bookmarks-get-all': getAllBookmarks,
+  'sdk-places-bookmarks-get-children': getChildren
+};
+
+function typeMap (type) {
+  if (typeof type === 'number') {
+    if (bmsrv.TYPE_BOOKMARK === type) return 'bookmark';
+    if (bmsrv.TYPE_FOLDER === type) return 'group';
+    if (bmsrv.TYPE_SEPARATOR === type) return 'separator';
+  } else {
+    if ('bookmark' === type) return bmsrv.TYPE_BOOKMARK;
+    if ('group' === type) return bmsrv.TYPE_FOLDER;
+    if ('separator' === type) return bmsrv.TYPE_SEPARATOR;
+  }
+}
+
+function getBookmarkLastUpdated ({id}) {
+  return resolve(bmsrv.getItemLastModified(id));
+}
+exports.getBookmarkLastUpdated;
+
+function createBookmarkItem (data) {
+  let error;
+
+  if (data.group == null) data.group = UNSORTED_ID;
+  if (data.index == null) data.index = DEFAULT_INDEX;
+
+  if (data.type === 'group')
+    data.id = bmsrv.createFolder(
+      data.group, data.title, data.index
+    );
+  else if (data.type === 'separator')
+    data.id = bmsrv.insertSeparator(
+      data.group, data.index
+    );
+  else
+    data.id = bmsrv.insertBookmark(
+      data.group, newURI(data.url), data.index, data.title
+    );
+
+  // In the event where default or no index is provided (-1),
+  // query the actual index for the response
+  if (data.index === -1)
+    data.index = bmsrv.getItemIndex(data.id);
+
+  try {
+    data.updated = bmsrv.getItemLastModified(data.id);
+  }
+  catch (e) {
+    console.exception(e);
+  }
+
+  return tag(data, true).then(() => data);
+}
+exports.createBookmarkItem = createBookmarkItem;
+
+function saveBookmarkItem (data) {
+  let id = data.id;
+  if (!id)
+    reject('Item is missing id');
+
+  let group = bmsrv.getFolderIdForItem(id);
+  let index = bmsrv.getItemIndex(id);
+  let type = bmsrv.getItemType(id);
+  let title = typeMap(type) !== 'separator' ?
+    bmsrv.getItemTitle(id) :
+    undefined;
+  let url = typeMap(type) === 'bookmark' ?
+    bmsrv.getBookmarkURI(id).spec :
+    undefined;
+
+  if (url != data.url)
+    bmsrv.changeBookmarkURI(id, newURI(data.url));
+  else if (typeMap(type) === 'bookmark')
+    data.url = url;
+
+  if (title != data.title)
+    bmsrv.setItemTitle(id, data.title);
+  else if (typeMap(type) !== 'separator')
+    data.title = title;
+
+  if (data.group && data.group !== group)
+    bmsrv.moveItem(id, data.group, data.index || -1);
+  else if (data.index != null && data.index !== index) {
+    // We use moveItem here instead of setItemIndex
+    // so we don't have to manage the indicies of the siblings
+    bmsrv.moveItem(id, group, data.index);
+  } else if (data.index == null)
+    data.index = index;
+
+  data.updated = bmsrv.getItemLastModified(data.id);
+
+  return tag(data).then(() => data);
+}
+exports.saveBookmarkItem = saveBookmarkItem;
+
+function removeBookmarkItem (data) {
+  let id = data.id;
+
+  if (!id)
+    reject('Item is missing id');
+
+  bmsrv.removeItem(id);
+  return resolve(null);
+}
+exports.removeBookmarkItem = removeBookmarkItem;
+
+function getBookmarkItem (data) {
+  let id = data.id;
+
+  if (!id)
+    reject('Item is missing id');
+
+  let type = bmsrv.getItemType(id);
+
+  data.type = typeMap(type);
+
+  if (type === bmsrv.TYPE_BOOKMARK || type === bmsrv.TYPE_FOLDER)
+    data.title = bmsrv.getItemTitle(id);
+
+  if (type === bmsrv.TYPE_BOOKMARK) {
+    data.url = bmsrv.getBookmarkURI(id).spec;
+    // Should be moved into host-tags as a method
+    data.tags = taggingService.getTagsForURI(newURI(data.url), {});
+  }
+
+  data.group = bmsrv.getFolderIdForItem(id);
+  data.index = bmsrv.getItemIndex(id);
+  data.updated = bmsrv.getItemLastModified(data.id);
+
+  return resolve(data);
+}
+exports.getBookmarkItem = getBookmarkItem;
+
+function getAllBookmarks () {
+  return query({}, { queryType: 1 }).then(bookmarks =>
+    all(bookmarks.map(getBookmarkItem)));
+}
+exports.getAllBookmarks = getAllBookmarks;
+
+function getChildren ({ id }) {
+  if (typeMap(bmsrv.getItemType(id)) !== 'group') return [];
+  let ids = [];
+  for (let i = 0; ids[ids.length - 1] !== -1; i++)
+    ids.push(bmsrv.getIdForItemAt(id, i));
+  ids.pop();
+  return all(ids.map(id => getBookmarkItem({ id: id })));
+}
+exports.getChildren = getChildren;
+
+/*
+ * Hook into host
+ */
+
+var reqStream = filter(request, (data) => /sdk-places-bookmarks/.test(data.event));
+on(reqStream, 'data', ({ event, id, data }) => {
+  if (!EVENT_MAP[event]) return;
+
+  let resData = { id: id, event: event };
+
+  promised(EVENT_MAP[event])(data).
+  then(res => resData.data = res, e => resData.error = e).
+  then(() => emit(response, 'data', resData));
+});
+
+function tag (data, isNew) {
+  // If a new item, we can skip checking what other tags
+  // are on the item
+  if (data.type !== 'bookmark') {
+    return resolve();
+  }
+  else if (!isNew) {
+    return send('sdk-places-tags-get-tags-by-url', { url: data.url })
+      .then(tags => {
+        return send('sdk-places-tags-untag', {
+          tags: tags.filter(tag => !~data.tags.indexOf(tag)),
+          url: data.url
+        });
+      }).then(() => send('sdk-places-tags-tag', {
+        url: data.url, tags: data.tags
+      }));
+  }
+  else if (data.tags && data.tags.length) {
+    return send('sdk-places-tags-tag', { url: data.url, tags: data.tags });
+  }
+  else
+    return resolve();
+}
+
diff --git a/toolkit/jetpack/sdk/places/host/host-query.js b/toolkit/jetpack/sdk/places/host/host-query.js
new file mode 100644
index 000000000..f2dbd6550
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/host/host-query.js
@@ -0,0 +1,179 @@
+/* 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 { all } = require('../../core/promise');
+const { safeMerge, omit } = require('../../util/object');
+const historyService = Cc['@mozilla.org/browser/nav-history-service;1']
+                     .getService(Ci.nsINavHistoryService);
+const bookmarksService = Cc['@mozilla.org/browser/nav-bookmarks-service;1']
+                         .getService(Ci.nsINavBookmarksService);
+const { request, response } = require('../../addon/host');
+const { newURI } = require('../../url/utils');
+const { send } = require('../../addon/events');
+const { on, emit } = require('../../event/core');
+const { filter } = require('../../event/utils');
+
+const ROOT_FOLDERS = [
+  bookmarksService.unfiledBookmarksFolder, bookmarksService.toolbarFolder,
+  bookmarksService.bookmarksMenuFolder
+];
+
+const EVENT_MAP = {
+  'sdk-places-query': queryReceiver
+};
+
+// Properties that need to be manually
+// copied into a nsINavHistoryQuery object
+const MANUAL_QUERY_PROPERTIES = [
+  'uri', 'folder', 'tags', 'url', 'folder'
+];
+
+const PLACES_PROPERTIES = [
+  'uri', 'title', 'accessCount', 'time'
+];
+
+function execute (queries, options) {
+  return new Promise(resolve => {
+    let root = historyService
+        .executeQueries(queries, queries.length, options).root;
+    // Let's extract an eventual uri wildcard, if both domain and uri are set.
+    // See utils.js::urlQueryParser() for more details.
+    // In case of multiple queries, we only retain the first found wildcard.
+    let uriWildcard = queries.reduce((prev, query) => {
+      if (query.uri && query.domain) {
+        if (!prev)
+          prev = query.uri.spec;
+        query.uri = null;
+      }
+      return prev;
+    }, "");
+    resolve(collect([], root, uriWildcard));
+  });
+}
+
+function collect (acc, node, uriWildcard) {
+  node.containerOpen = true;
+  for (let i = 0; i < node.childCount; i++) {
+    let child = node.getChild(i);
+
+    if (!uriWildcard || child.uri.startsWith(uriWildcard)) {
+      acc.push(child);
+    }
+    if (child.type === child.RESULT_TYPE_FOLDER) {
+      let container = child.QueryInterface(Ci.nsINavHistoryContainerResultNode);
+      collect(acc, container, uriWildcard);
+    }
+  }
+  node.containerOpen = false;
+  return acc;
+}
+
+function query (queries, options) {
+  return new Promise((resolve, reject) => {
+    queries = queries || [];
+    options = options || {};
+    let optionsObj, queryObjs;
+
+    optionsObj = historyService.getNewQueryOptions();
+    queryObjs = [].concat(queries).map(createQuery);
+    if (!queryObjs.length) {
+      queryObjs = [historyService.getNewQuery()];
+    }
+    safeMerge(optionsObj, options);
+
+    /*
+     * Currently `places:` queries are not supported
+     */
+    optionsObj.excludeQueries = true;
+
+    execute(queryObjs, optionsObj).then((results) => {
+      if (optionsObj.queryType === 0) {
+        return results.map(normalize);
+      }
+      else if (optionsObj.queryType === 1) {
+        // Formats query results into more standard
+        // data structures for returning
+        return all(results.map(({itemId}) =>
+          send('sdk-places-bookmarks-get', { id: itemId })));
+      }
+    }).then(resolve, reject);
+  });
+}
+exports.query = query;
+
+function createQuery (query) {
+  query = query || {};
+  let queryObj = historyService.getNewQuery();
+
+  safeMerge(queryObj, omit(query, MANUAL_QUERY_PROPERTIES));
+
+  if (query.tags && Array.isArray(query.tags))
+    queryObj.tags = query.tags;
+  if (query.uri || query.url)
+    queryObj.uri = newURI(query.uri || query.url);
+  if (query.folder)
+    queryObj.setFolders([query.folder], 1);
+  return queryObj;
+}
+
+function queryReceiver (message) {
+  let queries = message.data.queries || message.data.query;
+  let options = message.data.options;
+  let resData = {
+    id: message.id,
+    event: message.event
+  };
+
+  query(queries, options).then(results => {
+    resData.data = results;
+    respond(resData);
+  }, reason => {
+    resData.error = reason;
+    respond(resData);
+  });
+}
+
+/*
+ * Converts a nsINavHistoryResultNode into a plain object
+ *
+ * https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryResultNode
+ */
+function normalize (historyObj) {
+  return PLACES_PROPERTIES.reduce((obj, prop) => {
+    if (prop === 'uri')
+      obj.url = historyObj.uri;
+    else if (prop === 'time') {
+      // Cast from microseconds to milliseconds
+      obj.time = Math.floor(historyObj.time / 1000)
+    }
+    else if (prop === 'accessCount')
+      obj.visitCount = historyObj[prop];
+    else
+      obj[prop] = historyObj[prop];
+    return obj;
+  }, {});
+}
+
+/*
+ * Hook into host
+ */
+
+var reqStream = filter(request, data => /sdk-places-query/.test(data.event));
+on(reqStream, 'data', function (e) {
+  if (EVENT_MAP[e.event]) EVENT_MAP[e.event](e);
+});
+
+function respond (data) {
+  emit(response, 'data', data);
+}
diff --git a/toolkit/jetpack/sdk/places/host/host-tags.js b/toolkit/jetpack/sdk/places/host/host-tags.js
new file mode 100644
index 000000000..929a5d5af
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/host/host-tags.js
@@ -0,0 +1,92 @@
+/* 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 taggingService = Cc["@mozilla.org/browser/tagging-service;1"].
+                       getService(Ci.nsITaggingService);
+const ios = Cc['@mozilla.org/network/io-service;1'].
+            getService(Ci.nsIIOService);
+const { URL } = require('../../url');
+const { newURI } = require('../../url/utils');
+const { request, response } = require('../../addon/host');
+const { on, emit } = require('../../event/core');
+const { filter } = require('../../event/utils');
+
+const EVENT_MAP = {
+  'sdk-places-tags-tag': tag,
+  'sdk-places-tags-untag': untag,
+  'sdk-places-tags-get-tags-by-url': getTagsByURL,
+  'sdk-places-tags-get-urls-by-tag': getURLsByTag
+};
+
+function tag (message) {
+  let data = message.data;
+  let resData = {
+    id: message.id,
+    event: message.event
+  };
+
+  resData.data = taggingService.tagURI(newURI(data.url), data.tags);
+  respond(resData);
+}
+
+function untag (message) {
+  let data = message.data;
+  let resData = {
+    id: message.id,
+    event: message.event
+  };
+
+  resData.data = taggingService.untagURI(newURI(data.url), data.tags);
+  respond(resData);
+}
+
+function getURLsByTag (message) {
+  let data = message.data;
+  let resData = {
+    id: message.id,
+    event: message.event
+  };
+
+  resData.data = taggingService
+    .getURIsForTag(data.tag).map(uri => uri.spec);
+  respond(resData);
+}
+
+function getTagsByURL (message) {
+  let data = message.data;
+  let resData = {
+    id: message.id,
+    event: message.event
+  };
+
+  resData.data = taggingService.getTagsForURI(newURI(data.url), {});
+  respond(resData);
+}
+
+/*
+ * Hook into host
+ */
+
+var reqStream = filter(request, function (data) {
+  return /sdk-places-tags/.test(data.event);
+});
+
+on(reqStream, 'data', function (e) {
+  if (EVENT_MAP[e.event]) EVENT_MAP[e.event](e);
+});
+
+function respond (data) {
+  emit(response, 'data', data);
+}
diff --git a/toolkit/jetpack/sdk/places/utils.js b/toolkit/jetpack/sdk/places/utils.js
new file mode 100644
index 000000000..44366d2aa
--- /dev/null
+++ b/toolkit/jetpack/sdk/places/utils.js
@@ -0,0 +1,268 @@
+/* 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, Cu } = require('chrome');
+const { Class } = require('../core/heritage');
+const { method } = require('../lang/functional');
+const { defer, promised, all } = require('../core/promise');
+const { send } = require('../addon/events');
+const { EventTarget } = require('../event/target');
+const { merge } = require('../util/object');
+const bmsrv = Cc["@mozilla.org/browser/nav-bookmarks-service;1"].
+                getService(Ci.nsINavBookmarksService);
+
+Cu.importGlobalProperties(["URL"]);
+
+/*
+ * TreeNodes are used to construct dependency trees
+ * for BookmarkItems
+ */
+var TreeNode = Class({
+  initialize: function (value) {
+    this.value = value;
+    this.children = [];
+  },
+  add: function (values) {
+    [].concat(values).forEach(value => {
+      this.children.push(value instanceof TreeNode ? value : TreeNode(value));
+    });
+  },
+  get length () {
+    let count = 0;
+    this.walk(() => count++);
+    // Do not count the current node
+    return --count;
+  },
+  get: method(get),
+  walk: method(walk),
+  toString: () => '[object TreeNode]'
+});
+exports.TreeNode = TreeNode;
+
+/*
+ * Descends down from `node` applying `fn` to each in order.
+ * `fn` can return values or promises -- if promise returned,
+ * children are not processed until resolved. `fn` is passed
+ * one argument, the current node, `curr`.
+ */
+function walk (curr, fn) {
+  return promised(fn)(curr).then(val => {
+    return all(curr.children.map(child => walk(child, fn)));
+  });
+}
+
+/*
+ * Descends from the TreeNode `node`, returning
+ * the node with value `value` if found or `null`
+ * otherwise
+ */
+function get (node, value) {
+  if (node.value === value) return node;
+  for (let child of node.children) {
+    let found = get(child, value);
+    if (found) return found;
+  }
+  return null;
+}
+
+/*
+ * Constructs a tree of bookmark nodes
+ * returning the root (value: null);
+ */
+
+function constructTree (items) {
+  let root = TreeNode(null);
+  items.forEach(treeify.bind(null, root));
+
+  function treeify (root, item) {
+    // If node already exists, skip
+    let node = root.get(item);
+    if (node) return node;
+    node = TreeNode(item);
+
+    let parentNode = item.group ? treeify(root, item.group) : root;
+    parentNode.add(node);
+
+    return node;
+  }
+
+  return root;
+}
+exports.constructTree = constructTree;
+
+/*
+ * Shortcut for converting an id, or an object with an id, into
+ * an object with corresponding bookmark data
+ */
+function fetchItem (item) {
+  return send('sdk-places-bookmarks-get', { id: item.id || item });
+}
+exports.fetchItem = fetchItem;
+
+/*
+ * Takes an ID or an object with ID and checks it against
+ * the root bookmark folders
+ */
+function isRootGroup (id) {
+  id = id && id.id;
+  return ~[bmsrv.bookmarksMenuFolder, bmsrv.toolbarFolder,
+    bmsrv.unfiledBookmarksFolder
+  ].indexOf(id);
+}
+exports.isRootGroup = isRootGroup;
+
+/*
+ * Merges appropriate options into query based off of url
+ * 4 scenarios:
+ *
+ * 'moz.com' // domain: moz.com, domainIsHost: true
+ *    --> 'http://moz.com', 'http://moz.com/thunderbird'
+ * '*.moz.com' // domain: moz.com, domainIsHost: false
+ *    --> 'http://moz.com', 'http://moz.com/index', 'http://ff.moz.com/test'
+ * 'http://moz.com' // uri: http://moz.com/
+ *    --> 'http://moz.com/'
+ * 'http://moz.com/*' // uri: http://moz.com/, domain: moz.com, domainIsHost: true
+ *    --> 'http://moz.com/', 'http://moz.com/thunderbird'
+ */
+
+function urlQueryParser (query, url) {
+  if (!url) return;
+  if (/^https?:\/\//.test(url)) {
+    query.uri = url.charAt(url.length - 1) === '/' ? url : url + '/';
+    if (/\*$/.test(url)) {
+      // Wildcard searches on URIs are not supported, so try to extract a
+      // domain and filter the data later.
+      url = url.replace(/\*$/, '');
+      try {
+        query.domain = new URL(url).hostname;
+        query.domainIsHost = true;
+        // Unfortunately here we cannot use an expando to store the wildcard,
+        // cause the query is a wrapped native XPCOM object, so we reuse uri.
+        // We clearly don't want to query for both uri and domain, thus we'll
+        // have to handle this in host-query.js::execute()
+        query.uri = url;
+      } catch (ex) {
+        // Cannot extract an host cause it's not a valid uri, the query will
+        // just return nothing.
+      }
+    }
+  } else {
+    if (/^\*/.test(url)) {
+      query.domain = url.replace(/^\*\./, '');
+      query.domainIsHost = false;
+    } else {
+      query.domain = url;
+      query.domainIsHost = true;
+    }
+  }
+}
+exports.urlQueryParser = urlQueryParser;
+
+/*
+ * Takes an EventEmitter and returns a promise that
+ * aggregates results and handles a bulk resolve and reject
+ */
+
+function promisedEmitter (emitter) {
+  let { promise, resolve, reject } = defer();
+  let errors = [];
+  emitter.on('error', error => errors.push(error));
+  emitter.on('end', (items) => {
+    if (errors.length) reject(errors[0]);
+    else resolve(items);
+  });
+  return promise;
+}
+exports.promisedEmitter = promisedEmitter;
+
+
+// https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryQueryOptions
+function createQuery (type, query) {
+  query = query || {};
+  let qObj = {
+    searchTerms: query.query
+  };
+
+  urlQueryParser(qObj, query.url);
+
+  // 0 === history
+  if (type === 0) {
+    // PRTime used by query is in microseconds, not milliseconds
+    qObj.beginTime = (query.from || 0) * 1000;
+    qObj.endTime = (query.to || new Date()) * 1000;
+
+    // Set reference time to Epoch
+    qObj.beginTimeReference = 0;
+    qObj.endTimeReference = 0;
+  }
+  // 1 === bookmarks
+  else if (type === 1) {
+    qObj.tags = query.tags;
+    qObj.folder = query.group && query.group.id;
+  }
+  // 2 === unified (not implemented on platform)
+  else if (type === 2) {
+
+  }
+
+  return qObj;
+}
+exports.createQuery = createQuery;
+
+// https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryQueryOptions
+
+const SORT_MAP = {
+  title: 1,
+  date: 3, // sort by visit date
+  url: 5,
+  visitCount: 7,
+  // keywords currently unsupported
+  // keyword: 9,
+  dateAdded: 11, // bookmarks only
+  lastModified: 13 // bookmarks only
+};
+
+function createQueryOptions (type, options) {
+  options = options || {};
+  let oObj = {};
+  oObj.sortingMode = SORT_MAP[options.sort] || 0;
+  if (options.descending && options.sort)
+    oObj.sortingMode++;
+
+  // Resolve to default sort if ineligible based on query type
+  if (type === 0 && // history
+      (options.sort === 'dateAdded' || options.sort === 'lastModified'))
+    oObj.sortingMode = 0;
+
+  oObj.maxResults = typeof options.count === 'number' ? options.count : 0;
+
+  oObj.queryType = type;
+
+  return oObj;
+}
+exports.createQueryOptions = createQueryOptions;
+
+
+function mapBookmarkItemType (type) {
+  if (typeof type === 'number') {
+    if (bmsrv.TYPE_BOOKMARK === type) return 'bookmark';
+    if (bmsrv.TYPE_FOLDER === type) return 'group';
+    if (bmsrv.TYPE_SEPARATOR === type) return 'separator';
+  } else {
+    if ('bookmark' === type) return bmsrv.TYPE_BOOKMARK;
+    if ('group' === type) return bmsrv.TYPE_FOLDER;
+    if ('separator' === type) return bmsrv.TYPE_SEPARATOR;
+  }
+}
+exports.mapBookmarkItemType = mapBookmarkItemType;