зеркало из https://github.com/mozilla/gecko-dev.git
375 строки
10 KiB
JavaScript
375 строки
10 KiB
JavaScript
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set sts=2 sw=2 et tw=80: */
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"use strict";
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const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
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Cu.import("resource://gre/modules/ExtensionUtils.jsm");
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const {
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SingletonEventManager,
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} = ExtensionUtils;
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XPCOMUtils.defineLazyModuleGetter(this, "EventEmitter",
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"resource://devtools/shared/event-emitter.js");
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XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
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"resource://gre/modules/PlacesUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Task",
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"resource://gre/modules/Task.jsm");
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let listenerCount = 0;
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function getTree(rootGuid, onlyChildren) {
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function convert(node, parent) {
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let treenode = {
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id: node.guid,
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title: node.title || "",
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index: node.index,
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dateAdded: node.dateAdded / 1000,
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};
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if (parent && node.guid != PlacesUtils.bookmarks.rootGuid) {
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treenode.parentId = parent.guid;
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}
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if (node.type == PlacesUtils.TYPE_X_MOZ_PLACE) {
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// This isn't quite correct. Recently Bookmarked ends up here ...
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treenode.url = node.uri;
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} else {
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treenode.dateGroupModified = node.lastModified / 1000;
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if (node.children && !onlyChildren) {
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treenode.children = node.children.map(child => convert(child, node));
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}
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}
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return treenode;
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}
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return PlacesUtils.promiseBookmarksTree(rootGuid, {
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excludeItemsCallback: item => {
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if (item.type == PlacesUtils.TYPE_X_MOZ_PLACE_SEPARATOR) {
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return true;
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}
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return item.annos &&
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item.annos.find(a => a.name == PlacesUtils.EXCLUDE_FROM_BACKUP_ANNO);
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},
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}).then(root => {
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if (onlyChildren) {
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let children = root.children || [];
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return children.map(child => convert(child, root));
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}
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// It seems like the array always just contains the root node.
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return [convert(root, null)];
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}).catch(e => Promise.reject({message: e.message}));
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}
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function convert(result) {
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let node = {
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id: result.guid,
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title: result.title || "",
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index: result.index,
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dateAdded: result.dateAdded.getTime(),
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};
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if (result.guid != PlacesUtils.bookmarks.rootGuid) {
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node.parentId = result.parentGuid;
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}
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if (result.type == PlacesUtils.bookmarks.TYPE_BOOKMARK) {
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node.url = result.url.href; // Output is always URL object.
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} else {
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node.dateGroupModified = result.lastModified.getTime();
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}
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return node;
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}
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let observer = {
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skipTags: true,
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skipDescendantsOnItemRemoval: true,
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onBeginUpdateBatch() {},
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onEndUpdateBatch() {},
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onItemAdded(id, parentId, index, itemType, uri, title, dateAdded, guid, parentGuid, source) {
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if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
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return;
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}
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let bookmark = {
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id: guid,
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parentId: parentGuid,
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index,
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title,
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dateAdded: dateAdded / 1000,
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};
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if (itemType == PlacesUtils.bookmarks.TYPE_BOOKMARK) {
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bookmark.url = uri.spec;
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} else {
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bookmark.dateGroupModified = bookmark.dateAdded;
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}
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this.emit("created", bookmark);
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},
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onItemVisited() {},
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onItemMoved(id, oldParentId, oldIndex, newParentId, newIndex, itemType, guid, oldParentGuid, newParentGuid, source) {
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if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
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return;
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}
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let info = {
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parentId: newParentGuid,
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index: newIndex,
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oldParentId: oldParentGuid,
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oldIndex,
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};
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this.emit("moved", {guid, info});
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},
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onItemRemoved(id, parentId, index, itemType, uri, guid, parentGuid, source) {
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if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
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return;
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}
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let node = {
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id: guid,
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parentId: parentGuid,
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index,
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};
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if (itemType == PlacesUtils.bookmarks.TYPE_BOOKMARK) {
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node.url = uri.spec;
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}
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this.emit("removed", {guid, info: {parentId: parentGuid, index, node}});
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},
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onItemChanged(id, prop, isAnno, val, lastMod, itemType, parentId, guid, parentGuid, oldVal, source) {
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if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
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return;
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}
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let info = {};
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if (prop == "title") {
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info.title = val;
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} else if (prop == "uri") {
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info.url = val;
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} else {
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// Not defined yet.
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return;
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}
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this.emit("changed", {guid, info});
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},
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};
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EventEmitter.decorate(observer);
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function decrementListeners() {
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listenerCount -= 1;
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if (!listenerCount) {
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PlacesUtils.bookmarks.removeObserver(observer);
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}
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}
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function incrementListeners() {
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listenerCount++;
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if (listenerCount == 1) {
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PlacesUtils.bookmarks.addObserver(observer, false);
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}
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}
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extensions.registerSchemaAPI("bookmarks", "addon_parent", context => {
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return {
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bookmarks: {
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get: function(idOrIdList) {
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let list = Array.isArray(idOrIdList) ? idOrIdList : [idOrIdList];
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return Task.spawn(function* () {
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let bookmarks = [];
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for (let id of list) {
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let bookmark = yield PlacesUtils.bookmarks.fetch({guid: id});
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if (!bookmark) {
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throw new Error("Bookmark not found");
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}
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bookmarks.push(convert(bookmark));
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}
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return bookmarks;
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}).catch(error => Promise.reject({message: error.message}));
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},
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getChildren: function(id) {
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// TODO: We should optimize this.
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return getTree(id, true);
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},
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getTree: function() {
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return getTree(PlacesUtils.bookmarks.rootGuid, false);
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},
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getSubTree: function(id) {
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return getTree(id, false);
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},
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search: function(query) {
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return PlacesUtils.bookmarks.search(query).then(result => result.map(convert));
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},
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getRecent: function(numberOfItems) {
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return PlacesUtils.bookmarks.getRecent(numberOfItems).then(result => result.map(convert));
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},
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create: function(bookmark) {
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let info = {
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title: bookmark.title || "",
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};
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// If url is NULL or missing, it will be a folder.
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if (bookmark.url !== null) {
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info.type = PlacesUtils.bookmarks.TYPE_BOOKMARK;
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info.url = bookmark.url || "";
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} else {
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info.type = PlacesUtils.bookmarks.TYPE_FOLDER;
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}
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if (bookmark.index !== null) {
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info.index = bookmark.index;
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}
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if (bookmark.parentId !== null) {
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info.parentGuid = bookmark.parentId;
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} else {
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info.parentGuid = PlacesUtils.bookmarks.unfiledGuid;
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}
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try {
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return PlacesUtils.bookmarks.insert(info).then(convert)
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.catch(error => Promise.reject({message: error.message}));
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} catch (e) {
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return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
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}
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},
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move: function(id, destination) {
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let info = {
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guid: id,
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};
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if (destination.parentId !== null) {
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info.parentGuid = destination.parentId;
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}
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info.index = (destination.index === null) ?
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PlacesUtils.bookmarks.DEFAULT_INDEX : destination.index;
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try {
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return PlacesUtils.bookmarks.update(info).then(convert)
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.catch(error => Promise.reject({message: error.message}));
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} catch (e) {
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return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
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}
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},
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update: function(id, changes) {
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let info = {
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guid: id,
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};
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if (changes.title !== null) {
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info.title = changes.title;
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}
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if (changes.url !== null) {
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info.url = changes.url;
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}
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try {
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return PlacesUtils.bookmarks.update(info).then(convert)
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.catch(error => Promise.reject({message: error.message}));
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} catch (e) {
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return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
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}
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},
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remove: function(id) {
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let info = {
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guid: id,
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};
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// The API doesn't give you the old bookmark at the moment
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try {
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return PlacesUtils.bookmarks.remove(info, {preventRemovalOfNonEmptyFolders: true}).then(result => {})
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.catch(error => Promise.reject({message: error.message}));
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} catch (e) {
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return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
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}
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},
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removeTree: function(id) {
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let info = {
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guid: id,
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};
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try {
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return PlacesUtils.bookmarks.remove(info).then(result => {})
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.catch(error => Promise.reject({message: error.message}));
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} catch (e) {
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return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
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}
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},
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onCreated: new SingletonEventManager(context, "bookmarks.onCreated", fire => {
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let listener = (event, bookmark) => {
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fire.sync(bookmark.id, bookmark);
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};
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observer.on("created", listener);
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incrementListeners();
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return () => {
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observer.off("created", listener);
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decrementListeners();
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};
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}).api(),
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onRemoved: new SingletonEventManager(context, "bookmarks.onRemoved", fire => {
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let listener = (event, data) => {
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fire.sync(data.guid, data.info);
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};
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observer.on("removed", listener);
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incrementListeners();
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return () => {
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observer.off("removed", listener);
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decrementListeners();
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};
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}).api(),
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onChanged: new SingletonEventManager(context, "bookmarks.onChanged", fire => {
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let listener = (event, data) => {
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fire.sync(data.guid, data.info);
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};
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observer.on("changed", listener);
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incrementListeners();
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return () => {
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observer.off("changed", listener);
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decrementListeners();
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};
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}).api(),
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onMoved: new SingletonEventManager(context, "bookmarks.onMoved", fire => {
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let listener = (event, data) => {
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fire.sync(data.guid, data.info);
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};
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observer.on("moved", listener);
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incrementListeners();
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return () => {
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observer.off("moved", listener);
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decrementListeners();
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};
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}).api(),
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},
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};
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});
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