Revert "Add Basilisk"

This reverts commit e72ef92b5bdc43cd2584198e2e54e951b70299e8.

1 files changed, 0 insertions, 1723 deletions

diff --git a/application/basilisk/components/places/content/controller.js b/application/basilisk/components/places/content/controller.js
deleted file mode 100644
index 5f83c741e..000000000
--- a/application/basilisk/components/places/content/controller.js
+++ /dev/null
@@ -1,1723 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* 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/. */
-
-XPCOMUtils.defineLazyModuleGetter(this, "ForgetAboutSite",
-                                  "resource://gre/modules/ForgetAboutSite.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
-                                  "resource://gre/modules/NetUtil.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
-                                  "resource://gre/modules/PrivateBrowsingUtils.jsm");
-
-// XXXmano: we should move most/all of these constants to PlacesUtils
-const ORGANIZER_ROOT_BOOKMARKS = "place:folder=BOOKMARKS_MENU&excludeItems=1&queryType=1";
-
-// No change to the view, preserve current selection
-const RELOAD_ACTION_NOTHING = 0;
-// Inserting items new to the view, select the inserted rows
-const RELOAD_ACTION_INSERT = 1;
-// Removing items from the view, select the first item after the last selected
-const RELOAD_ACTION_REMOVE = 2;
-// Moving items within a view, don't treat the dropped items as additional
-// rows.
-const RELOAD_ACTION_MOVE = 3;
-
-// When removing a bunch of pages we split them in chunks to give some breath
-// to the main-thread.
-const REMOVE_PAGES_CHUNKLEN = 300;
-
-/**
- * Represents an insertion point within a container where we can insert
- * items.
- * @param   aItemId
- *          The identifier of the parent container
- * @param   aIndex
- *          The index within the container where we should insert
- * @param   aOrientation
- *          The orientation of the insertion. NOTE: the adjustments to the
- *          insertion point to accommodate the orientation should be done by
- *          the person who constructs the IP, not the user. The orientation
- *          is provided for informational purposes only!
- * @param   [optional] aTag
- *          The tag name if this IP is set to a tag, null otherwise.
- * @param   [optional] aDropNearItemId
- *          When defined we will calculate index based on this itemId
- * @constructor
- */
-function InsertionPoint(aItemId, aIndex, aOrientation, aTagName = null,
-                        aDropNearItemId = false) {
-  this.itemId = aItemId;
-  this._index = aIndex;
-  this.orientation = aOrientation;
-  this.tagName = aTagName;
-  this.dropNearItemId = aDropNearItemId;
-}
-
-InsertionPoint.prototype = {
-  set index(val) {
-    return this._index = val;
-  },
-
-  promiseGuid() {
-    return PlacesUtils.promiseItemGuid(this.itemId);
-  },
-
-  get index() {
-    if (this.dropNearItemId > 0) {
-      // If dropNearItemId is set up we must calculate the real index of
-      // the item near which we will drop.
-      var index = PlacesUtils.bookmarks.getItemIndex(this.dropNearItemId);
-      return this.orientation == Ci.nsITreeView.DROP_BEFORE ? index : index + 1;
-    }
-    return this._index;
-  },
-
-  get isTag() {
-    return typeof(this.tagName) == "string";
-  }
-};
-
-/**
- * Places Controller
- */
-
-function PlacesController(aView) {
-  this._view = aView;
-  XPCOMUtils.defineLazyServiceGetter(this, "clipboard",
-                                     "@mozilla.org/widget/clipboard;1",
-                                     "nsIClipboard");
-  XPCOMUtils.defineLazyGetter(this, "profileName", function() {
-    return Services.dirsvc.get("ProfD", Ci.nsIFile).leafName;
-  });
-
-  this._cachedLivemarkInfoObjects = new Map();
-}
-
-PlacesController.prototype = {
-  /**
-   * The places view.
-   */
-  _view: null,
-
-  QueryInterface: XPCOMUtils.generateQI([
-    Ci.nsIClipboardOwner
-  ]),
-
-  // nsIClipboardOwner
-  LosingOwnership: function PC_LosingOwnership(aXferable) {
-    this.cutNodes = [];
-  },
-
-  terminate: function PC_terminate() {
-    this._releaseClipboardOwnership();
-  },
-
-  supportsCommand: function PC_supportsCommand(aCommand) {
-    // Non-Places specific commands that we also support
-    switch (aCommand) {
-    case "cmd_undo":
-    case "cmd_redo":
-    case "cmd_cut":
-    case "cmd_copy":
-    case "cmd_paste":
-    case "cmd_delete":
-    case "cmd_selectAll":
-      return true;
-    }
-
-    // All other Places Commands are prefixed with "placesCmd_" ... this
-    // filters out other commands that we do _not_ support (see 329587).
-    const CMD_PREFIX = "placesCmd_";
-    return (aCommand.substr(0, CMD_PREFIX.length) == CMD_PREFIX);
-  },
-
-  isCommandEnabled: function PC_isCommandEnabled(aCommand) {
-    switch (aCommand) {
-    case "cmd_undo":
-      if (!PlacesUIUtils.useAsyncTransactions)
-        return PlacesUtils.transactionManager.numberOfUndoItems > 0;
-
-      return PlacesTransactions.topUndoEntry != null;
-    case "cmd_redo":
-      if (!PlacesUIUtils.useAsyncTransactions)
-        return PlacesUtils.transactionManager.numberOfRedoItems > 0;
-
-      return PlacesTransactions.topRedoEntry != null;
-    case "cmd_cut":
-    case "placesCmd_cut":
-    case "placesCmd_moveBookmarks":
-      for (let node of this._view.selectedNodes) {
-        // If selection includes history nodes or tags-as-bookmark, disallow
-        // cutting.
-        if (node.itemId == -1 ||
-            (node.parent && PlacesUtils.nodeIsTagQuery(node.parent))) {
-          return false;
-        }
-      }
-      // Otherwise fall through the cmd_delete check.
-    case "cmd_delete":
-    case "placesCmd_delete":
-    case "placesCmd_deleteDataHost":
-      return this._hasRemovableSelection();
-    case "cmd_copy":
-    case "placesCmd_copy":
-      return this._view.hasSelection;
-    case "cmd_paste":
-    case "placesCmd_paste":
-      return this._canInsert(true) && this._isClipboardDataPasteable();
-    case "cmd_selectAll":
-      if (this._view.selType != "single") {
-        let rootNode = this._view.result.root;
-        if (rootNode.containerOpen && rootNode.childCount > 0)
-          return true;
-      }
-      return false;
-    case "placesCmd_open":
-    case "placesCmd_open:window":
-    case "placesCmd_open:privatewindow":
-    case "placesCmd_open:tab": {
-      let selectedNode = this._view.selectedNode;
-      return selectedNode && PlacesUtils.nodeIsURI(selectedNode);
-    }
-    case "placesCmd_new:folder":
-      return this._canInsert();
-    case "placesCmd_new:bookmark":
-      return this._canInsert();
-    case "placesCmd_new:separator":
-      return this._canInsert() &&
-             !PlacesUtils.asQuery(this._view.result.root).queryOptions.excludeItems &&
-             this._view.result.sortingMode ==
-                 Ci.nsINavHistoryQueryOptions.SORT_BY_NONE;
-    case "placesCmd_show:info": {
-      let selectedNode = this._view.selectedNode;
-      return selectedNode && PlacesUtils.getConcreteItemId(selectedNode) != -1
-    }
-    case "placesCmd_reload": {
-      // Livemark containers
-      let selectedNode = this._view.selectedNode;
-      return selectedNode && this.hasCachedLivemarkInfo(selectedNode);
-    }
-    case "placesCmd_sortBy:name": {
-      let selectedNode = this._view.selectedNode;
-      return selectedNode &&
-             PlacesUtils.nodeIsFolder(selectedNode) &&
-             !PlacesUIUtils.isContentsReadOnly(selectedNode) &&
-             this._view.result.sortingMode ==
-                 Ci.nsINavHistoryQueryOptions.SORT_BY_NONE;
-    }
-    case "placesCmd_createBookmark":
-      var node = this._view.selectedNode;
-      return node && PlacesUtils.nodeIsURI(node) && node.itemId == -1;
-    default:
-      return false;
-    }
-  },
-
-  doCommand: function PC_doCommand(aCommand) {
-    switch (aCommand) {
-    case "cmd_undo":
-      if (!PlacesUIUtils.useAsyncTransactions) {
-        PlacesUtils.transactionManager.undoTransaction();
-        return;
-      }
-      PlacesTransactions.undo().then(null, Components.utils.reportError);
-      break;
-    case "cmd_redo":
-      if (!PlacesUIUtils.useAsyncTransactions) {
-        PlacesUtils.transactionManager.redoTransaction();
-        return;
-      }
-      PlacesTransactions.redo().then(null, Components.utils.reportError);
-      break;
-    case "cmd_cut":
-    case "placesCmd_cut":
-      this.cut();
-      break;
-    case "cmd_copy":
-    case "placesCmd_copy":
-      this.copy();
-      break;
-    case "cmd_paste":
-    case "placesCmd_paste":
-      this.paste().then(null, Components.utils.reportError);
-      break;
-    case "cmd_delete":
-    case "placesCmd_delete":
-      this.remove("Remove Selection").then(null, Components.utils.reportError);
-      break;
-    case "placesCmd_deleteDataHost":
-      var host;
-      if (PlacesUtils.nodeIsHost(this._view.selectedNode)) {
-        var queries = this._view.selectedNode.getQueries();
-        host = queries[0].domain;
-      } else
-        host = NetUtil.newURI(this._view.selectedNode.uri).host;
-      ForgetAboutSite.removeDataFromDomain(host)
-                     .catch(Components.utils.reportError);
-      break;
-    case "cmd_selectAll":
-      this.selectAll();
-      break;
-    case "placesCmd_open":
-      PlacesUIUtils.openNodeIn(this._view.selectedNode, "current", this._view);
-      break;
-    case "placesCmd_open:window":
-      PlacesUIUtils.openNodeIn(this._view.selectedNode, "window", this._view);
-      break;
-    case "placesCmd_open:privatewindow":
-      PlacesUIUtils.openNodeIn(this._view.selectedNode, "window", this._view, true);
-      break;
-    case "placesCmd_open:tab":
-      PlacesUIUtils.openNodeIn(this._view.selectedNode, "tab", this._view);
-      break;
-    case "placesCmd_new:folder":
-      this.newItem("folder");
-      break;
-    case "placesCmd_new:bookmark":
-      this.newItem("bookmark");
-      break;
-    case "placesCmd_new:separator":
-      this.newSeparator().catch(Components.utils.reportError);
-      break;
-    case "placesCmd_show:info":
-      this.showBookmarkPropertiesForSelection();
-      break;
-    case "placesCmd_moveBookmarks":
-      this.moveSelectedBookmarks();
-      break;
-    case "placesCmd_reload":
-      this.reloadSelectedLivemark();
-      break;
-    case "placesCmd_sortBy:name":
-      this.sortFolderByName().then(null, Components.utils.reportError);
-      break;
-    case "placesCmd_createBookmark":
-      let node = this._view.selectedNode;
-      PlacesUIUtils.showBookmarkDialog({ action: "add"
-                                       , type: "bookmark"
-                                       , hiddenRows: [ "description"
-                                                     , "keyword"
-                                                     , "location"
-                                                     , "loadInSidebar" ]
-                                       , uri: NetUtil.newURI(node.uri)
-                                       , title: node.title
-                                       }, window.top);
-      break;
-    }
-  },
-
-  onEvent: function PC_onEvent(eventName) { },
-
-
-  /**
-   * Determine whether or not the selection can be removed, either by the
-   * delete or cut operations based on whether or not any of its contents
-   * are non-removable. We don't need to worry about recursion here since it
-   * is a policy decision that a removable item not be placed inside a non-
-   * removable item.
-   *
-   * @return true if all nodes in the selection can be removed,
-   *         false otherwise.
-   */
-  _hasRemovableSelection() {
-    var ranges = this._view.removableSelectionRanges;
-    if (!ranges.length)
-      return false;
-
-    var root = this._view.result.root;
-
-    for (var j = 0; j < ranges.length; j++) {
-      var nodes = ranges[j];
-      for (var i = 0; i < nodes.length; ++i) {
-        // Disallow removing the view's root node
-        if (nodes[i] == root)
-          return false;
-
-        if (!PlacesUIUtils.canUserRemove(nodes[i]))
-          return false;
-      }
-    }
-
-    return true;
-  },
-
-  /**
-   * Determines whether or not nodes can be inserted relative to the selection.
-   */
-  _canInsert: function PC__canInsert(isPaste) {
-    var ip = this._view.insertionPoint;
-    return ip != null && (isPaste || ip.isTag != true);
-  },
-
-  /**
-   * Looks at the data on the clipboard to see if it is paste-able.
-   * Paste-able data is:
-   *   - in a format that the view can receive
-   * @return true if: - clipboard data is of a TYPE_X_MOZ_PLACE_* flavor,
-   *                  - clipboard data is of type TEXT_UNICODE and
-   *                    is a valid URI.
-   */
-  _isClipboardDataPasteable: function PC__isClipboardDataPasteable() {
-    // if the clipboard contains TYPE_X_MOZ_PLACE_* data, it is definitely
-    // pasteable, with no need to unwrap all the nodes.
-
-    var flavors = PlacesUIUtils.PLACES_FLAVORS;
-    var clipboard = this.clipboard;
-    var hasPlacesData =
-      clipboard.hasDataMatchingFlavors(flavors, flavors.length,
-                                       Ci.nsIClipboard.kGlobalClipboard);
-    if (hasPlacesData)
-      return this._view.insertionPoint != null;
-
-    // if the clipboard doesn't have TYPE_X_MOZ_PLACE_* data, we also allow
-    // pasting of valid "text/unicode" and "text/x-moz-url" data
-    var xferable = Cc["@mozilla.org/widget/transferable;1"].
-                   createInstance(Ci.nsITransferable);
-    xferable.init(null);
-
-    xferable.addDataFlavor(PlacesUtils.TYPE_X_MOZ_URL);
-    xferable.addDataFlavor(PlacesUtils.TYPE_UNICODE);
-    clipboard.getData(xferable, Ci.nsIClipboard.kGlobalClipboard);
-
-    try {
-      // getAnyTransferData will throw if no data is available.
-      var data = { }, type = { };
-      xferable.getAnyTransferData(type, data, { });
-      data = data.value.QueryInterface(Ci.nsISupportsString).data;
-      if (type.value != PlacesUtils.TYPE_X_MOZ_URL &&
-          type.value != PlacesUtils.TYPE_UNICODE)
-        return false;
-
-      // unwrapNodes() will throw if the data blob is malformed.
-      PlacesUtils.unwrapNodes(data, type.value);
-      return this._view.insertionPoint != null;
-    } catch (e) {
-      // getAnyTransferData or unwrapNodes failed
-      return false;
-    }
-  },
-
-  /**
-   * Gathers information about the selected nodes according to the following
-   * rules:
-   *    "link"              node is a URI
-   *    "bookmark"          node is a bookmark
-   *    "livemarkChild"     node is a child of a livemark
-   *    "tagChild"          node is a child of a tag
-   *    "folder"            node is a folder
-   *    "query"             node is a query
-   *    "separator"         node is a separator line
-   *    "host"              node is a host
-   *
-   * @return an array of objects corresponding the selected nodes. Each
-   *         object has each of the properties above set if its corresponding
-   *         node matches the rule. In addition, the annotations names for each
-   *         node are set on its corresponding object as properties.
-   * Notes:
-   *   1) This can be slow, so don't call it anywhere performance critical!
-   */
-  _buildSelectionMetadata: function PC__buildSelectionMetadata() {
-    var metadata = [];
-    var nodes = this._view.selectedNodes;
-
-    for (var i = 0; i < nodes.length; i++) {
-      var nodeData = {};
-      var node = nodes[i];
-      var nodeType = node.type;
-      var uri = null;
-
-      // We don't use the nodeIs* methods here to avoid going through the type
-      // property way too often
-      switch (nodeType) {
-        case Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY:
-          nodeData["query"] = true;
-          if (node.parent) {
-            switch (PlacesUtils.asQuery(node.parent).queryOptions.resultType) {
-              case Ci.nsINavHistoryQueryOptions.RESULTS_AS_SITE_QUERY:
-                nodeData["host"] = true;
-                break;
-              case Ci.nsINavHistoryQueryOptions.RESULTS_AS_DATE_SITE_QUERY:
-              case Ci.nsINavHistoryQueryOptions.RESULTS_AS_DATE_QUERY:
-                nodeData["day"] = true;
-                break;
-            }
-          }
-          break;
-        case Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER:
-        case Ci.nsINavHistoryResultNode.RESULT_TYPE_FOLDER_SHORTCUT:
-          nodeData["folder"] = true;
-          break;
-        case Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR:
-          nodeData["separator"] = true;
-          break;
-        case Ci.nsINavHistoryResultNode.RESULT_TYPE_URI:
-          nodeData["link"] = true;
-          uri = NetUtil.newURI(node.uri);
-          if (PlacesUtils.nodeIsBookmark(node)) {
-            nodeData["bookmark"] = true;
-            var parentNode = node.parent;
-            if (parentNode) {
-              if (PlacesUtils.nodeIsTagQuery(parentNode))
-                nodeData["tagChild"] = true;
-              else if (this.hasCachedLivemarkInfo(parentNode))
-                nodeData["livemarkChild"] = true;
-            }
-          }
-          break;
-      }
-
-      // annotations
-      if (uri) {
-        let names = PlacesUtils.annotations.getPageAnnotationNames(uri);
-        for (let j = 0; j < names.length; ++j)
-          nodeData[names[j]] = true;
-      }
-
-      // For items also include the item-specific annotations
-      if (node.itemId != -1) {
-        let names = PlacesUtils.annotations
-                               .getItemAnnotationNames(node.itemId);
-        for (let j = 0; j < names.length; ++j)
-          nodeData[names[j]] = true;
-      }
-      metadata.push(nodeData);
-    }
-
-    return metadata;
-  },
-
-  /**
-   * Determines if a context-menu item should be shown
-   * @param   aMenuItem
-   *          the context menu item
-   * @param   aMetaData
-   *          meta data about the selection
-   * @return true if the conditions (see buildContextMenu) are satisfied
-   *         and the item can be displayed, false otherwise.
-   */
-  _shouldShowMenuItem: function PC__shouldShowMenuItem(aMenuItem, aMetaData) {
-    var selectiontype = aMenuItem.getAttribute("selectiontype");
-    if (!selectiontype) {
-      selectiontype = "single|multiple";
-    }
-    var selectionTypes = selectiontype.split("|");
-    if (selectionTypes.includes("any")) {
-      return true;
-    }
-    var count = aMetaData.length;
-    if (count > 1 && !selectionTypes.includes("multiple"))
-      return false;
-    if (count == 1 && !selectionTypes.includes("single"))
-      return false;
-    // NB: if there is no selection, we show the item if and only if
-    // the selectiontype includes 'none' - the metadata list will be
-    // empty so none of the other criteria will apply anyway.
-    if (count == 0)
-      return selectionTypes.includes("none");
-
-    var forceHideAttr = aMenuItem.getAttribute("forcehideselection");
-    if (forceHideAttr) {
-      var forceHideRules = forceHideAttr.split("|");
-      for (let i = 0; i < aMetaData.length; ++i) {
-        for (let j = 0; j < forceHideRules.length; ++j) {
-          if (forceHideRules[j] in aMetaData[i])
-            return false;
-        }
-      }
-    }
-
-    var selectionAttr = aMenuItem.getAttribute("selection");
-    if (!selectionAttr) {
-      return !aMenuItem.hidden;
-    }
-
-    if (selectionAttr == "any")
-      return true;
-
-    var showRules = selectionAttr.split("|");
-    var anyMatched = false;
-    function metaDataNodeMatches(metaDataNode, rules) {
-      for (var i = 0; i < rules.length; i++) {
-        if (rules[i] in metaDataNode)
-          return true;
-      }
-      return false;
-    }
-
-    for (var i = 0; i < aMetaData.length; ++i) {
-      if (metaDataNodeMatches(aMetaData[i], showRules))
-        anyMatched = true;
-      else
-        return false;
-    }
-    return anyMatched;
-  },
-
-  /**
-   * Detects information (meta-data rules) about the current selection in the
-   * view (see _buildSelectionMetadata) and sets the visibility state for each
-   * of the menu-items in the given popup with the following rules applied:
-   *  0) The "ignoreitem" attribute may be set to "true" for this code not to
-   *     handle that menuitem.
-   *  1) The "selectiontype" attribute may be set on a menu-item to "single"
-   *     if the menu-item should be visible only if there is a single node
-   *     selected, or to "multiple" if the menu-item should be visible only if
-   *     multiple nodes are selected, or to "none" if the menuitems should be
-   *     visible for if there are no selected nodes, or to a |-separated
-   *     combination of these.
-   *     If the attribute is not set or set to an invalid value, the menu-item
-   *     may be visible irrespective of the selection.
-   *  2) The "selection" attribute may be set on a menu-item to the various
-   *     meta-data rules for which it may be visible. The rules should be
-   *     separated with the | character.
-   *  3) A menu-item may be visible only if at least one of the rules set in
-   *     its selection attribute apply to each of the selected nodes in the
-   *     view.
-   *  4) The "forcehideselection" attribute may be set on a menu-item to rules
-   *     for which it should be hidden. This attribute takes priority over the
-   *     selection attribute. A menu-item would be hidden if at least one of the
-   *     given rules apply to one of the selected nodes. The rules should be
-   *     separated with the | character.
-   *  5) The "hideifnoinsertionpoint" attribute may be set on a menu-item to
-   *     true if it should be hidden when there's no insertion point
-   *  6) The visibility state of a menu-item is unchanged if none of these
-   *     attribute are set.
-   *  7) These attributes should not be set on separators for which the
-   *     visibility state is "auto-detected."
-   *  8) The "hideifprivatebrowsing" attribute may be set on a menu-item to
-   *     true if it should be hidden inside the private browsing mode
-   * @param   aPopup
-   *          The menupopup to build children into.
-   * @return true if at least one item is visible, false otherwise.
-   */
-  buildContextMenu: function PC_buildContextMenu(aPopup) {
-    var metadata = this._buildSelectionMetadata();
-    var ip = this._view.insertionPoint;
-    var noIp = !ip || ip.isTag;
-
-    var separator = null;
-    var visibleItemsBeforeSep = false;
-    var usableItemCount = 0;
-    for (var i = 0; i < aPopup.childNodes.length; ++i) {
-      var item = aPopup.childNodes[i];
-      if (item.getAttribute("ignoreitem") == "true") {
-        continue;
-      }
-      if (item.localName != "menuseparator") {
-        // We allow pasting into tag containers, so special case that.
-        var hideIfNoIP = item.getAttribute("hideifnoinsertionpoint") == "true" &&
-                         noIp && !(ip && ip.isTag && item.id == "placesContext_paste");
-        var hideIfPrivate = item.getAttribute("hideifprivatebrowsing") == "true" &&
-                            PrivateBrowsingUtils.isWindowPrivate(window);
-        var shouldHideItem = hideIfNoIP || hideIfPrivate ||
-                             !this._shouldShowMenuItem(item, metadata);
-        item.hidden = item.disabled = shouldHideItem;
-
-        if (!item.hidden) {
-          visibleItemsBeforeSep = true;
-          usableItemCount++;
-
-          // Show the separator above the menu-item if any
-          if (separator) {
-            separator.hidden = false;
-            separator = null;
-          }
-        }
-      } else { // menuseparator
-        // Initially hide it. It will be unhidden if there will be at least one
-        // visible menu-item above and below it.
-        item.hidden = true;
-
-        // We won't show the separator at all if no items are visible above it
-        if (visibleItemsBeforeSep)
-          separator = item;
-
-        // New separator, count again:
-        visibleItemsBeforeSep = false;
-      }
-    }
-
-    // Set Open Folder/Links In Tabs items enabled state if they're visible
-    if (usableItemCount > 0) {
-      var openContainerInTabsItem = document.getElementById("placesContext_openContainer:tabs");
-      if (!openContainerInTabsItem.hidden) {
-        var containerToUse = this._view.selectedNode || this._view.result.root;
-        if (PlacesUtils.nodeIsContainer(containerToUse)) {
-          if (!PlacesUtils.hasChildURIs(containerToUse)) {
-            openContainerInTabsItem.disabled = true;
-            // Ensure that we don't display the menu if nothing is enabled:
-            usableItemCount--;
-          }
-        }
-      }
-    }
-
-    // Make sure correct PluralForms are diplayed when multiple pages are selected.
-    var deleteHistoryItem = document.getElementById("placesContext_delete_history");
-    deleteHistoryItem.label = PlacesUIUtils.getPluralString("cmd.deletePages.label",
-                                                            metadata.length);
-    deleteHistoryItem.accessKey = PlacesUIUtils.getString("cmd.deletePages.accesskey");
-    var createBookmarkItem = document.getElementById("placesContext_createBookmark");
-    createBookmarkItem.label = PlacesUIUtils.getPluralString("cmd.bookmarkPages.label",
-                                                             metadata.length);
-    createBookmarkItem.accessKey = PlacesUIUtils.getString("cmd.bookmarkPages.accesskey");
-
-    return usableItemCount > 0;
-  },
-
-  /**
-   * Select all links in the current view.
-   */
-  selectAll: function PC_selectAll() {
-    this._view.selectAll();
-  },
-
-  /**
-   * Opens the bookmark properties for the selected URI Node.
-   */
-  showBookmarkPropertiesForSelection() {
-    let node = this._view.selectedNode;
-    if (!node)
-      return;
-
-    PlacesUIUtils.showBookmarkDialog({ action: "edit"
-                                     , node
-                                     , hiddenRows: [ "folderPicker" ]
-                                     }, window.top);
-  },
-
-  /**
-   * This method can be run on a URI parameter to ensure that it didn't
-   * receive a string instead of an nsIURI object.
-   */
-  _assertURINotString: function PC__assertURINotString(value) {
-    NS_ASSERT((typeof(value) == "object") && !(value instanceof String),
-           "This method should be passed a URI as a nsIURI object, not as a string.");
-  },
-
-  /**
-   * Reloads the selected livemark if any.
-   */
-  reloadSelectedLivemark: function PC_reloadSelectedLivemark() {
-    var selectedNode = this._view.selectedNode;
-    if (selectedNode) {
-      let itemId = selectedNode.itemId;
-      PlacesUtils.livemarks.getLivemark({ id: itemId })
-        .then(aLivemark => {
-          aLivemark.reload(true);
-        }, Components.utils.reportError);
-    }
-  },
-
-  /**
-   * Opens the links in the selected folder, or the selected links in new tabs.
-   */
-  openSelectionInTabs: function PC_openLinksInTabs(aEvent) {
-    var node = this._view.selectedNode;
-    var nodes = this._view.selectedNodes;
-    // In the case of no selection, open the root node:
-    if (!node && !nodes.length) {
-      node = this._view.result.root;
-    }
-    if (node && PlacesUtils.nodeIsContainer(node))
-      PlacesUIUtils.openContainerNodeInTabs(node, aEvent, this._view);
-    else
-      PlacesUIUtils.openURINodesInTabs(nodes, aEvent, this._view);
-  },
-
-  /**
-   * Shows the Add Bookmark UI for the current insertion point.
-   *
-   * @param aType
-   *        the type of the new item (bookmark/livemark/folder)
-   */
-  newItem: function PC_newItem(aType) {
-    let ip = this._view.insertionPoint;
-    if (!ip)
-      throw Cr.NS_ERROR_NOT_AVAILABLE;
-
-    let performed =
-      PlacesUIUtils.showBookmarkDialog({ action: "add"
-                                       , type: aType
-                                       , defaultInsertionPoint: ip
-                                       , hiddenRows: [ "folderPicker" ]
-                                       }, window.top);
-    if (performed) {
-      // Select the new item.
-      let insertedNodeId = PlacesUtils.bookmarks
-                                      .getIdForItemAt(ip.itemId, ip.index);
-      this._view.selectItems([insertedNodeId], false);
-    }
-  },
-
-  /**
-   * Create a new Bookmark separator somewhere.
-   */
-  newSeparator: Task.async(function* () {
-    var ip = this._view.insertionPoint;
-    if (!ip)
-      throw Cr.NS_ERROR_NOT_AVAILABLE;
-
-    if (!PlacesUIUtils.useAsyncTransactions) {
-      let txn = new PlacesCreateSeparatorTransaction(ip.itemId, ip.index);
-      PlacesUtils.transactionManager.doTransaction(txn);
-      // Select the new item.
-      let insertedNodeId = PlacesUtils.bookmarks
-                                      .getIdForItemAt(ip.itemId, ip.index);
-      this._view.selectItems([insertedNodeId], false);
-      return;
-    }
-
-    let txn = PlacesTransactions.NewSeparator({ parentGuid: yield ip.promiseGuid()
-                                              , index: ip.index });
-    let guid = yield txn.transact();
-    let itemId = yield PlacesUtils.promiseItemId(guid);
-    // Select the new item.
-    this._view.selectItems([itemId], false);
-  }),
-
-  /**
-   * Opens a dialog for moving the selected nodes.
-   */
-  moveSelectedBookmarks: function PC_moveBookmarks() {
-    window.openDialog("chrome://browser/content/places/moveBookmarks.xul",
-                      "", "chrome, modal",
-                      this._view.selectedNodes);
-  },
-
-  /**
-   * Sort the selected folder by name
-   */
-  sortFolderByName: Task.async(function* () {
-    let itemId = PlacesUtils.getConcreteItemId(this._view.selectedNode);
-    if (!PlacesUIUtils.useAsyncTransactions) {
-      var txn = new PlacesSortFolderByNameTransaction(itemId);
-      PlacesUtils.transactionManager.doTransaction(txn);
-      return;
-    }
-    let guid = yield PlacesUtils.promiseItemGuid(itemId);
-    yield PlacesTransactions.SortByName(guid).transact();
-  }),
-
-  /**
-   * Walk the list of folders we're removing in this delete operation, and
-   * see if the selected node specified is already implicitly being removed
-   * because it is a child of that folder.
-   * @param   node
-   *          Node to check for containment.
-   * @param   pastFolders
-   *          List of folders the calling function has already traversed
-   * @return true if the node should be skipped, false otherwise.
-   */
-  _shouldSkipNode: function PC_shouldSkipNode(node, pastFolders) {
-    /**
-     * Determines if a node is contained by another node within a resultset.
-     * @param   node
-     *          The node to check for containment for
-     * @param   parent
-     *          The parent container to check for containment in
-     * @return true if node is a member of parent's children, false otherwise.
-     */
-    function isNodeContainedBy(parent) {
-      var cursor = node.parent;
-      while (cursor) {
-        if (cursor == parent)
-          return true;
-        cursor = cursor.parent;
-      }
-      return false;
-    }
-
-    for (var j = 0; j < pastFolders.length; ++j) {
-      if (isNodeContainedBy(pastFolders[j]))
-        return true;
-    }
-    return false;
-  },
-
-  /**
-   * Creates a set of transactions for the removal of a range of items.
-   * A range is an array of adjacent nodes in a view.
-   * @param   [in] range
-   *          An array of nodes to remove. Should all be adjacent.
-   * @param   [out] transactions
-   *          An array of transactions.
-   * @param   [optional] removedFolders
-   *          An array of folder nodes that have already been removed.
-   */
-  _removeRange: function PC__removeRange(range, transactions, removedFolders) {
-    NS_ASSERT(transactions instanceof Array, "Must pass a transactions array");
-    if (!removedFolders)
-      removedFolders = [];
-
-    for (var i = 0; i < range.length; ++i) {
-      var node = range[i];
-      if (this._shouldSkipNode(node, removedFolders))
-        continue;
-
-      if (PlacesUtils.nodeIsTagQuery(node.parent)) {
-        // This is a uri node inside a tag container.  It needs a special
-        // untag transaction.
-        var tagItemId = PlacesUtils.getConcreteItemId(node.parent);
-        var uri = NetUtil.newURI(node.uri);
-        if (PlacesUIUtils.useAsyncTransactions) {
-          let tag = node.parent.title;
-          if (!tag)
-            tag = PlacesUtils.bookmarks.getItemTitle(tagItemId);
-          transactions.push(PlacesTransactions.Untag({ uri, tag }));
-        } else {
-          let txn = new PlacesUntagURITransaction(uri, [tagItemId]);
-          transactions.push(txn);
-        }
-      } else if (PlacesUtils.nodeIsTagQuery(node) && node.parent &&
-               PlacesUtils.nodeIsQuery(node.parent) &&
-               PlacesUtils.asQuery(node.parent).queryOptions.resultType ==
-                 Ci.nsINavHistoryQueryOptions.RESULTS_AS_TAG_QUERY) {
-        // This is a tag container.
-        // Untag all URIs tagged with this tag only if the tag container is
-        // child of the "Tags" query in the library, in all other places we
-        // must only remove the query node.
-        let tag = node.title;
-        let URIs = PlacesUtils.tagging.getURIsForTag(tag);
-        if (PlacesUIUtils.useAsyncTransactions) {
-          transactions.push(PlacesTransactions.Untag({ tag, uris: URIs }));
-        } else {
-          for (var j = 0; j < URIs.length; j++) {
-            let txn = new PlacesUntagURITransaction(URIs[j], [tag]);
-            transactions.push(txn);
-          }
-        }
-      } else if (PlacesUtils.nodeIsURI(node) &&
-               PlacesUtils.nodeIsQuery(node.parent) &&
-               PlacesUtils.asQuery(node.parent).queryOptions.queryType ==
-                 Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY) {
-        // This is a uri node inside an history query.
-        PlacesUtils.bhistory.removePage(NetUtil.newURI(node.uri));
-        // History deletes are not undoable, so we don't have a transaction.
-      } else if (node.itemId == -1 &&
-               PlacesUtils.nodeIsQuery(node) &&
-               PlacesUtils.asQuery(node).queryOptions.queryType ==
-                 Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY) {
-        // This is a dynamically generated history query, like queries
-        // grouped by site, time or both.  Dynamically generated queries don't
-        // have an itemId even if they are descendants of a bookmark.
-        this._removeHistoryContainer(node);
-        // History deletes are not undoable, so we don't have a transaction.
-      } else {
-        // This is a common bookmark item.
-        if (PlacesUtils.nodeIsFolder(node)) {
-          // If this is a folder we add it to our array of folders, used
-          // to skip nodes that are children of an already removed folder.
-          removedFolders.push(node);
-        }
-        if (PlacesUIUtils.useAsyncTransactions) {
-          transactions.push(
-            PlacesTransactions.Remove({ guid: node.bookmarkGuid }));
-        } else {
-          let txn = new PlacesRemoveItemTransaction(node.itemId);
-          transactions.push(txn);
-        }
-      }
-    }
-  },
-
-  /**
-   * Removes the set of selected ranges from bookmarks.
-   * @param   txnName
-   *          See |remove|.
-   */
-  _removeRowsFromBookmarks: Task.async(function* (txnName) {
-    var ranges = this._view.removableSelectionRanges;
-    var transactions = [];
-    var removedFolders = [];
-
-    for (var i = 0; i < ranges.length; i++)
-      this._removeRange(ranges[i], transactions, removedFolders);
-
-    if (transactions.length > 0) {
-      if (PlacesUIUtils.useAsyncTransactions) {
-        yield PlacesTransactions.batch(transactions);
-      } else {
-        var txn = new PlacesAggregatedTransaction(txnName, transactions);
-        PlacesUtils.transactionManager.doTransaction(txn);
-      }
-    }
-  }),
-
-  /**
-   * Removes the set of selected ranges from history.
-   *
-   * @note history deletes are not undoable.
-   */
-  _removeRowsFromHistory: function PC__removeRowsFromHistory() {
-    let nodes = this._view.selectedNodes;
-    let URIs = [];
-    for (let i = 0; i < nodes.length; ++i) {
-      let node = nodes[i];
-      if (PlacesUtils.nodeIsURI(node)) {
-        let uri = NetUtil.newURI(node.uri);
-        // Avoid duplicates.
-        if (URIs.indexOf(uri) < 0) {
-          URIs.push(uri);
-        }
-      } else if (PlacesUtils.nodeIsQuery(node) &&
-               PlacesUtils.asQuery(node).queryOptions.queryType ==
-                 Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY) {
-        this._removeHistoryContainer(node);
-      }
-    }
-
-    // Do removal in chunks to give some breath to main-thread.
-    function* pagesChunkGenerator(aURIs) {
-      while (aURIs.length) {
-        let URIslice = aURIs.splice(0, REMOVE_PAGES_CHUNKLEN);
-        PlacesUtils.bhistory.removePages(URIslice, URIslice.length);
-        Services.tm.mainThread.dispatch(() => gen.next(),
-                                        Ci.nsIThread.DISPATCH_NORMAL);
-        yield undefined;
-      }
-    }
-    let gen = pagesChunkGenerator(URIs);
-    gen.next();
-  },
-
-  /**
-   * Removes history visits for an history container node.
-   * @param   [in] aContainerNode
-   *          The container node to remove.
-   *
-   * @note history deletes are not undoable.
-   */
-  _removeHistoryContainer: function PC__removeHistoryContainer(aContainerNode) {
-    if (PlacesUtils.nodeIsHost(aContainerNode)) {
-      // Site container.
-      PlacesUtils.bhistory.removePagesFromHost(aContainerNode.title, true);
-    } else if (PlacesUtils.nodeIsDay(aContainerNode)) {
-      // Day container.
-      let query = aContainerNode.getQueries()[0];
-      let beginTime = query.beginTime;
-      let endTime = query.endTime;
-      NS_ASSERT(query && beginTime && endTime,
-                "A valid date container query should exist!");
-      // We want to exclude beginTime from the removal because
-      // removePagesByTimeframe includes both extremes, while date containers
-      // exclude the lower extreme.  So, if we would not exclude it, we would
-      // end up removing more history than requested.
-      PlacesUtils.bhistory.removePagesByTimeframe(beginTime + 1, endTime);
-    }
-  },
-
-  /**
-   * Removes the selection
-   * @param   aTxnName
-   *          A name for the transaction if this is being performed
-   *          as part of another operation.
-   */
-  remove: Task.async(function* (aTxnName) {
-    if (!this._hasRemovableSelection())
-      return;
-
-    NS_ASSERT(aTxnName !== undefined, "Must supply Transaction Name");
-
-    var root = this._view.result.root;
-
-    if (PlacesUtils.nodeIsFolder(root)) {
-      if (PlacesUIUtils.useAsyncTransactions)
-        yield this._removeRowsFromBookmarks(aTxnName);
-      else
-        this._removeRowsFromBookmarks(aTxnName);
-    } else if (PlacesUtils.nodeIsQuery(root)) {
-      var queryType = PlacesUtils.asQuery(root).queryOptions.queryType;
-      if (queryType == Ci.nsINavHistoryQueryOptions.QUERY_TYPE_BOOKMARKS) {
-        if (PlacesUIUtils.useAsyncTransactions)
-          yield this._removeRowsFromBookmarks(aTxnName);
-        else
-          this._removeRowsFromBookmarks(aTxnName);
-      } else if (queryType == Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY) {
-        this._removeRowsFromHistory();
-      } else {
-        NS_ASSERT(false, "implement support for QUERY_TYPE_UNIFIED");
-      }
-    } else
-      NS_ASSERT(false, "unexpected root");
-  }),
-
-  /**
-   * Fills a DataTransfer object with the content of the selection that can be
-   * dropped elsewhere.
-   * @param   aEvent
-   *          The dragstart event.
-   */
-  setDataTransfer: function PC_setDataTransfer(aEvent) {
-    let dt = aEvent.dataTransfer;
-
-    let result = this._view.result;
-    let didSuppressNotifications = result.suppressNotifications;
-    if (!didSuppressNotifications)
-      result.suppressNotifications = true;
-
-    function addData(type, index, feedURI) {
-      let wrapNode = PlacesUtils.wrapNode(node, type, feedURI);
-      dt.mozSetDataAt(type, wrapNode, index);
-    }
-
-    function addURIData(index, feedURI) {
-      addData(PlacesUtils.TYPE_X_MOZ_URL, index, feedURI);
-      addData(PlacesUtils.TYPE_UNICODE, index, feedURI);
-      addData(PlacesUtils.TYPE_HTML, index, feedURI);
-    }
-
-    try {
-      let nodes = this._view.draggableSelection;
-      for (let i = 0; i < nodes.length; ++i) {
-        var node = nodes[i];
-
-        // This order is _important_! It controls how this and other
-        // applications select data to be inserted based on type.
-        addData(PlacesUtils.TYPE_X_MOZ_PLACE, i);
-
-        // Drop the feed uri for livemark containers
-        let livemarkInfo = this.getCachedLivemarkInfo(node);
-        if (livemarkInfo) {
-          addURIData(i, livemarkInfo.feedURI.spec);
-        } else if (node.uri) {
-          addURIData(i);
-        }
-      }
-    } finally {
-      if (!didSuppressNotifications)
-        result.suppressNotifications = false;
-    }
-  },
-
-  get clipboardAction() {
-    let action = {};
-    let actionOwner;
-    try {
-      let xferable = Cc["@mozilla.org/widget/transferable;1"].
-                     createInstance(Ci.nsITransferable);
-      xferable.init(null);
-      xferable.addDataFlavor(PlacesUtils.TYPE_X_MOZ_PLACE_ACTION)
-      this.clipboard.getData(xferable, Ci.nsIClipboard.kGlobalClipboard);
-      xferable.getTransferData(PlacesUtils.TYPE_X_MOZ_PLACE_ACTION, action, {});
-      [action, actionOwner] =
-        action.value.QueryInterface(Ci.nsISupportsString).data.split(",");
-    } catch (ex) {
-      // Paste from external sources don't have any associated action, just
-      // fallback to a copy action.
-      return "copy";
-    }
-    // For cuts also check who inited the action, since cuts across different
-    // instances should instead be handled as copies (The sources are not
-    // available for this instance).
-    if (action == "cut" && actionOwner != this.profileName)
-      action = "copy";
-
-    return action;
-  },
-
-  _releaseClipboardOwnership: function PC__releaseClipboardOwnership() {
-    if (this.cutNodes.length > 0) {
-      // This clears the logical clipboard, doesn't remove data.
-      this.clipboard.emptyClipboard(Ci.nsIClipboard.kGlobalClipboard);
-    }
-  },
-
-  _clearClipboard: function PC__clearClipboard() {
-    let xferable = Cc["@mozilla.org/widget/transferable;1"].
-                   createInstance(Ci.nsITransferable);
-    xferable.init(null);
-    // Empty transferables may cause crashes, so just add an unknown type.
-    const TYPE = "text/x-moz-place-empty";
-    xferable.addDataFlavor(TYPE);
-    xferable.setTransferData(TYPE, PlacesUtils.toISupportsString(""), 0);
-    this.clipboard.setData(xferable, null, Ci.nsIClipboard.kGlobalClipboard);
-  },
-
-  _populateClipboard: function PC__populateClipboard(aNodes, aAction) {
-    // This order is _important_! It controls how this and other applications
-    // select data to be inserted based on type.
-    let contents = [
-      { type: PlacesUtils.TYPE_X_MOZ_PLACE, entries: [] },
-      { type: PlacesUtils.TYPE_X_MOZ_URL, entries: [] },
-      { type: PlacesUtils.TYPE_HTML, entries: [] },
-      { type: PlacesUtils.TYPE_UNICODE, entries: [] },
-    ];
-
-    // Avoid handling descendants of a copied node, the transactions take care
-    // of them automatically.
-    let copiedFolders = [];
-    aNodes.forEach(function(node) {
-      if (this._shouldSkipNode(node, copiedFolders))
-        return;
-      if (PlacesUtils.nodeIsFolder(node))
-        copiedFolders.push(node);
-
-      let livemarkInfo = this.getCachedLivemarkInfo(node);
-      let feedURI = livemarkInfo && livemarkInfo.feedURI.spec;
-
-      contents.forEach(function(content) {
-        content.entries.push(
-          PlacesUtils.wrapNode(node, content.type, feedURI)
-        );
-      });
-    }, this);
-
-    function addData(type, data) {
-      xferable.addDataFlavor(type);
-      xferable.setTransferData(type, PlacesUtils.toISupportsString(data),
-                               data.length * 2);
-    }
-
-    let xferable = Cc["@mozilla.org/widget/transferable;1"].
-                   createInstance(Ci.nsITransferable);
-    xferable.init(null);
-    let hasData = false;
-    // This order matters here!  It controls how this and other applications
-    // select data to be inserted based on type.
-    contents.forEach(function(content) {
-      if (content.entries.length > 0) {
-        hasData = true;
-        let glue =
-          content.type == PlacesUtils.TYPE_X_MOZ_PLACE ? "," : PlacesUtils.endl;
-        addData(content.type, content.entries.join(glue));
-      }
-    });
-
-    // Track the exected action in the xferable.  This must be the last flavor
-    // since it's the least preferred one.
-    // Enqueue a unique instance identifier to distinguish operations across
-    // concurrent instances of the application.
-    addData(PlacesUtils.TYPE_X_MOZ_PLACE_ACTION, aAction + "," + this.profileName);
-
-    if (hasData) {
-      this.clipboard.setData(xferable,
-                             this.cutNodes.length > 0 ? this : null,
-                             Ci.nsIClipboard.kGlobalClipboard);
-    }
-  },
-
-  _cutNodes: [],
-  get cutNodes() {
-    return this._cutNodes;
-  },
-  set cutNodes(aNodes) {
-    let self = this;
-    function updateCutNodes(aValue) {
-      self._cutNodes.forEach(function(aNode) {
-        self._view.toggleCutNode(aNode, aValue);
-      });
-    }
-
-    updateCutNodes(false);
-    this._cutNodes = aNodes;
-    updateCutNodes(true);
-    return aNodes;
-  },
-
-  /**
-   * Copy Bookmarks and Folders to the clipboard
-   */
-  copy: function PC_copy() {
-    let result = this._view.result;
-    let didSuppressNotifications = result.suppressNotifications;
-    if (!didSuppressNotifications)
-      result.suppressNotifications = true;
-    try {
-      this._populateClipboard(this._view.selectedNodes, "copy");
-    } finally {
-      if (!didSuppressNotifications)
-        result.suppressNotifications = false;
-    }
-  },
-
-  /**
-   * Cut Bookmarks and Folders to the clipboard
-   */
-  cut: function PC_cut() {
-    let result = this._view.result;
-    let didSuppressNotifications = result.suppressNotifications;
-    if (!didSuppressNotifications)
-      result.suppressNotifications = true;
-    try {
-      this._populateClipboard(this._view.selectedNodes, "cut");
-      this.cutNodes = this._view.selectedNodes;
-    } finally {
-      if (!didSuppressNotifications)
-        result.suppressNotifications = false;
-    }
-  },
-
-  /**
-   * Paste Bookmarks and Folders from the clipboard
-   */
-  paste: Task.async(function* () {
-    // No reason to proceed if there isn't a valid insertion point.
-    let ip = this._view.insertionPoint;
-    if (!ip)
-      throw Cr.NS_ERROR_NOT_AVAILABLE;
-
-    let action = this.clipboardAction;
-
-    let xferable = Cc["@mozilla.org/widget/transferable;1"].
-                   createInstance(Ci.nsITransferable);
-    xferable.init(null);
-    // This order matters here!  It controls the preferred flavors for this
-    // paste operation.
-    [ PlacesUtils.TYPE_X_MOZ_PLACE,
-      PlacesUtils.TYPE_X_MOZ_URL,
-      PlacesUtils.TYPE_UNICODE,
-    ].forEach(type => xferable.addDataFlavor(type));
-
-    this.clipboard.getData(xferable, Ci.nsIClipboard.kGlobalClipboard);
-
-    // Now get the clipboard contents, in the best available flavor.
-    let data = {}, type = {}, items = [];
-    try {
-      xferable.getAnyTransferData(type, data, {});
-      data = data.value.QueryInterface(Ci.nsISupportsString).data;
-      type = type.value;
-      items = PlacesUtils.unwrapNodes(data, type);
-    } catch (ex) {
-      // No supported data exists or nodes unwrap failed, just bail out.
-      return;
-    }
-
-    let itemsToSelect = [];
-    if (PlacesUIUtils.useAsyncTransactions) {
-      if (ip.isTag) {
-        let uris = items.filter(item => "uri" in item).map(item => NetUtil.newURI(item.uri));
-        yield PlacesTransactions.Tag({ uris, tag: ip.tagName }).transact();
-      } else {
-        yield PlacesTransactions.batch(function* () {
-          let insertionIndex = ip.index;
-          let parent = yield ip.promiseGuid();
-
-          for (let item of items) {
-            let doCopy = action == "copy";
-
-            // If this is not a copy, check for safety that we can move the
-            // source, otherwise report an error and fallback to a copy.
-            if (!doCopy &&
-                !PlacesControllerDragHelper.canMoveUnwrappedNode(item)) {
-              Components.utils.reportError("Tried to move an unmovable " +
-                             "Places node, reverting to a copy operation.");
-              doCopy = true;
-            }
-            let guid = yield PlacesUIUtils.getTransactionForData(
-              item, type, parent, insertionIndex, doCopy).transact();
-            itemsToSelect.push(yield PlacesUtils.promiseItemId(guid));
-
-            // Adjust index to make sure items are pasted in the correct
-            // position.  If index is DEFAULT_INDEX, items are just appended.
-            if (insertionIndex != PlacesUtils.bookmarks.DEFAULT_INDEX)
-              insertionIndex++;
-          }
-        });
-      }
-    } else {
-      let transactions = [];
-      let insertionIndex = ip.index;
-      for (let i = 0; i < items.length; ++i) {
-        if (ip.isTag) {
-          // Pasting into a tag container means tagging the item, regardless of
-          // the requested action.
-          let tagTxn = new PlacesTagURITransaction(NetUtil.newURI(items[i].uri),
-                                                   [ip.itemId]);
-          transactions.push(tagTxn);
-          continue;
-        }
-
-        // Adjust index to make sure items are pasted in the correct position.
-        // If index is DEFAULT_INDEX, items are just appended.
-        if (ip.index != PlacesUtils.bookmarks.DEFAULT_INDEX)
-          insertionIndex = ip.index + i;
-
-        // If this is not a copy, check for safety that we can move the source,
-        // otherwise report an error and fallback to a copy.
-        if (action != "copy" && !PlacesControllerDragHelper.canMoveUnwrappedNode(items[i])) {
-          Components.utils.reportError("Tried to move an unmovable Places " +
-                                       "node, reverting to a copy operation.");
-          action = "copy";
-        }
-        transactions.push(
-          PlacesUIUtils.makeTransaction(items[i], type, ip.itemId,
-                                        insertionIndex, action == "copy")
-        );
-      }
-
-      let aggregatedTxn = new PlacesAggregatedTransaction("Paste", transactions);
-      PlacesUtils.transactionManager.doTransaction(aggregatedTxn);
-
-      for (let i = 0; i < transactions.length; ++i) {
-        itemsToSelect.push(
-          PlacesUtils.bookmarks.getIdForItemAt(ip.itemId, ip.index + i)
-        );
-      }
-    }
-
-    // Cut/past operations are not repeatable, so clear the clipboard.
-    if (action == "cut") {
-      this._clearClipboard();
-    }
-
-    if (itemsToSelect.length > 0)
-      this._view.selectItems(itemsToSelect, false);
-  }),
-
-  /**
-   * Cache the livemark info for a node.  This allows the controller and the
-   * views to treat the given node as a livemark.
-   * @param aNode
-   *        a places result node.
-   * @param aLivemarkInfo
-   *        a mozILivemarkInfo object.
-   */
-  cacheLivemarkInfo: function PC_cacheLivemarkInfo(aNode, aLivemarkInfo) {
-    this._cachedLivemarkInfoObjects.set(aNode, aLivemarkInfo);
-  },
-
-  /**
-   * Returns whether or not there's cached mozILivemarkInfo object for a node.
-   * @param aNode
-   *        a places result node.
-   * @return true if there's a cached mozILivemarkInfo object for
-   *         aNode, false otherwise.
-   */
-  hasCachedLivemarkInfo: function PC_hasCachedLivemarkInfo(aNode) {
-    return this._cachedLivemarkInfoObjects.has(aNode);
-  },
-
-  /**
-   * Returns the cached livemark info for a node, if set by cacheLivemarkInfo,
-   * null otherwise.
-   * @param aNode
-   *        a places result node.
-   * @return the mozILivemarkInfo object for aNode, if set, null otherwise.
-   */
-  getCachedLivemarkInfo: function PC_getCachedLivemarkInfo(aNode) {
-    return this._cachedLivemarkInfoObjects.get(aNode, null);
-  }
-};
-
-/**
- * Handles drag and drop operations for views. Note that this is view agnostic!
- * You should not use PlacesController._view within these methods, since
- * the view that the item(s) have been dropped on was not necessarily active.
- * Drop functions are passed the view that is being dropped on.
- */
-var PlacesControllerDragHelper = {
-  /**
-   * DOM Element currently being dragged over
-   */
-  currentDropTarget: null,
-
-  /**
-   * Determines if the mouse is currently being dragged over a child node of
-   * this menu. This is necessary so that the menu doesn't close while the
-   * mouse is dragging over one of its submenus
-   * @param   node
-   *          The container node
-   * @return true if the user is dragging over a node within the hierarchy of
-   *         the container, false otherwise.
-   */
-  draggingOverChildNode: function PCDH_draggingOverChildNode(node) {
-    let currentNode = this.currentDropTarget;
-    while (currentNode) {
-      if (currentNode == node)
-        return true;
-      currentNode = currentNode.parentNode;
-    }
-    return false;
-  },
-
-  /**
-   * @return The current active drag session. Returns null if there is none.
-   */
-  getSession: function PCDH__getSession() {
-    return this.dragService.getCurrentSession();
-  },
-
-  /**
-   * Extract the first accepted flavor from a list of flavors.
-   * @param aFlavors
-   *        The flavors list of type DOMStringList.
-   */
-  getFirstValidFlavor: function PCDH_getFirstValidFlavor(aFlavors) {
-    for (let i = 0; i < aFlavors.length; i++) {
-      if (PlacesUIUtils.SUPPORTED_FLAVORS.includes(aFlavors[i]))
-        return aFlavors[i];
-    }
-
-    // If no supported flavor is found, check if data includes text/plain
-    // contents.  If so, request them as text/unicode, a conversion will happen
-    // automatically.
-    if (aFlavors.contains("text/plain")) {
-        return PlacesUtils.TYPE_UNICODE;
-    }
-
-    return null;
-  },
-
-  /**
-   * Determines whether or not the data currently being dragged can be dropped
-   * on a places view.
-   * @param ip
-   *        The insertion point where the items should be dropped.
-   */
-  canDrop: function PCDH_canDrop(ip, dt) {
-    let dropCount = dt.mozItemCount;
-
-    // Check every dragged item.
-    for (let i = 0; i < dropCount; i++) {
-      let flavor = this.getFirstValidFlavor(dt.mozTypesAt(i));
-      if (!flavor)
-        return false;
-
-      // Urls can be dropped on any insertionpoint.
-      // XXXmano: remember that this method is called for each dragover event!
-      // Thus we shouldn't use unwrapNodes here at all if possible.
-      // I think it would be OK to accept bogus data here (e.g. text which was
-      // somehow wrapped as TAB_DROP_TYPE, this is not in our control, and
-      // will just case the actual drop to be a no-op), and only rule out valid
-      // expected cases, which are either unsupported flavors, or items which
-      // cannot be dropped in the current insertionpoint. The last case will
-      // likely force us to use unwrapNodes for the private data types of
-      // places.
-      if (flavor == TAB_DROP_TYPE)
-        continue;
-
-      let data = dt.mozGetDataAt(flavor, i);
-      let dragged;
-      try {
-        dragged = PlacesUtils.unwrapNodes(data, flavor)[0];
-      } catch (e) {
-        return false;
-      }
-
-      // Only bookmarks and urls can be dropped into tag containers.
-      if (ip.isTag &&
-          dragged.type != PlacesUtils.TYPE_X_MOZ_URL &&
-          (dragged.type != PlacesUtils.TYPE_X_MOZ_PLACE ||
-           (dragged.uri && dragged.uri.startsWith("place:")) ))
-        return false;
-
-      // The following loop disallows the dropping of a folder on itself or
-      // on any of its descendants.
-      if (dragged.type == PlacesUtils.TYPE_X_MOZ_PLACE_CONTAINER ||
-          (dragged.uri && dragged.uri.startsWith("place:")) ) {
-        let parentId = ip.itemId;
-        while (parentId != PlacesUtils.placesRootId) {
-          if (dragged.concreteId == parentId || dragged.id == parentId)
-            return false;
-          parentId = PlacesUtils.bookmarks.getFolderIdForItem(parentId);
-        }
-      }
-    }
-    return true;
-  },
-
-  /**
-   * Determines if an unwrapped node can be moved.
-   *
-   * @param   aUnwrappedNode
-   *          A node unwrapped by PlacesUtils.unwrapNodes().
-   * @return True if the node can be moved, false otherwise.
-   */
-  canMoveUnwrappedNode(aUnwrappedNode) {
-    return aUnwrappedNode.id > 0 &&
-           !PlacesUtils.isRootItem(aUnwrappedNode.id) &&
-           (!aUnwrappedNode.parent || !PlacesUIUtils.isContentsReadOnly(aUnwrappedNode.parent)) &&
-           aUnwrappedNode.parent != PlacesUtils.tagsFolderId &&
-           aUnwrappedNode.grandParentId != PlacesUtils.tagsFolderId;
-  },
-
-  /**
-   * Determines if a node can be moved.
-   *
-   * @param   aNode
-   *          A nsINavHistoryResultNode node.
-   * @param   [optional] aDOMNode
-   *          A XUL DOM node.
-   * @return True if the node can be moved, false otherwise.
-   */
-  canMoveNode(aNode, aDOMNode) {
-    // Only bookmark items are movable.
-    if (aNode.itemId == -1)
-      return false;
-
-    let parentNode = aNode.parent;
-    if (!parentNode) {
-      // Normally parentless places nodes can not be moved,
-      // but simulated bookmarked URI nodes are special.
-      return !!aDOMNode &&
-             aDOMNode.hasAttribute("simulated-places-node") &&
-             PlacesUtils.nodeIsBookmark(aNode);
-    }
-
-    // Once tags and bookmarked are divorced, the tag-query check should be
-    // removed.
-    return !(PlacesUtils.nodeIsFolder(parentNode) &&
-             PlacesUIUtils.isContentsReadOnly(parentNode)) &&
-           !PlacesUtils.nodeIsTagQuery(parentNode);
-  },
-
-  /**
-   * Handles the drop of one or more items onto a view.
-   * @param   insertionPoint
-   *          The insertion point where the items should be dropped
-   */
-  onDrop: Task.async(function* (insertionPoint, dt) {
-    let doCopy = ["copy", "link"].includes(dt.dropEffect);
-
-    let transactions = [];
-    let dropCount = dt.mozItemCount;
-    let movedCount = 0;
-    let parentGuid = PlacesUIUtils.useAsyncTransactions ?
-                       (yield insertionPoint.promiseGuid()) : null;
-    let tagName = insertionPoint.tagName;
-    for (let i = 0; i < dropCount; ++i) {
-      let flavor = this.getFirstValidFlavor(dt.mozTypesAt(i));
-      if (!flavor)
-        return;
-
-      let data = dt.mozGetDataAt(flavor, i);
-      let unwrapped;
-      if (flavor != TAB_DROP_TYPE) {
-        // There's only ever one in the D&D case.
-        unwrapped = PlacesUtils.unwrapNodes(data, flavor)[0];
-      } else if (data instanceof XULElement && data.localName == "tab" &&
-               data.ownerGlobal instanceof ChromeWindow) {
-        let uri = data.linkedBrowser.currentURI;
-        let spec = uri ? uri.spec : "about:blank";
-        unwrapped = { uri: spec,
-                      title: data.label,
-                      type: PlacesUtils.TYPE_X_MOZ_URL};
-      } else
-        throw new Error("bogus data was passed as a tab");
-
-      let index = insertionPoint.index;
-
-      // Adjust insertion index to prevent reversal of dragged items. When you
-      // drag multiple elts upward: need to increment index or each successive
-      // elt will be inserted at the same index, each above the previous.
-      let dragginUp = insertionPoint.itemId == unwrapped.parent &&
-                      index < PlacesUtils.bookmarks.getItemIndex(unwrapped.id);
-      if (index != -1 && dragginUp)
-        index += movedCount++;
-
-      // If dragging over a tag container we should tag the item.
-      if (insertionPoint.isTag) {
-        let uri = NetUtil.newURI(unwrapped.uri);
-        let tagItemId = insertionPoint.itemId;
-        if (PlacesUIUtils.useAsyncTransactions)
-          transactions.push(PlacesTransactions.Tag({ uri, tag: tagName }));
-        else
-          transactions.push(new PlacesTagURITransaction(uri, [tagItemId]));
-      } else {
-        // If this is not a copy, check for safety that we can move the source,
-        // otherwise report an error and fallback to a copy.
-        if (!doCopy && !PlacesControllerDragHelper.canMoveUnwrappedNode(unwrapped)) {
-          Components.utils.reportError("Tried to move an unmovable Places " +
-                                       "node, reverting to a copy operation.");
-          doCopy = true;
-        }
-        if (PlacesUIUtils.useAsyncTransactions) {
-          transactions.push(
-            PlacesUIUtils.getTransactionForData(unwrapped,
-                                                flavor,
-                                                parentGuid,
-                                                index,
-                                                doCopy));
-        } else {
-          transactions.push(PlacesUIUtils.makeTransaction(unwrapped,
-                              flavor, insertionPoint.itemId,
-                              index, doCopy));
-        }
-      }
-    }
-
-    if (PlacesUIUtils.useAsyncTransactions) {
-      yield PlacesTransactions.batch(transactions);
-    } else {
-      let txn = new PlacesAggregatedTransaction("DropItems", transactions);
-      PlacesUtils.transactionManager.doTransaction(txn);
-    }
-  }),
-
-  /**
-   * Checks if we can insert into a container.
-   * @param   aContainer
-   *          The container were we are want to drop
-   */
-  disallowInsertion(aContainer) {
-    NS_ASSERT(aContainer, "empty container");
-    // Allow dropping into Tag containers and editable folders.
-    return !PlacesUtils.nodeIsTagQuery(aContainer) &&
-           (!PlacesUtils.nodeIsFolder(aContainer) ||
-            PlacesUIUtils.isContentsReadOnly(aContainer));
-  }
-};
-
-
-XPCOMUtils.defineLazyServiceGetter(PlacesControllerDragHelper, "dragService",
-                                   "@mozilla.org/widget/dragservice;1",
-                                   "nsIDragService");
-
-function goUpdatePlacesCommands() {
-  // Get the controller for one of the places commands.
-  var placesController = doGetPlacesControllerForCommand("placesCmd_open");
-  function updatePlacesCommand(aCommand) {
-    goSetCommandEnabled(aCommand, placesController &&
-                                  placesController.isCommandEnabled(aCommand));
-  }
-
-  updatePlacesCommand("placesCmd_open");
-  updatePlacesCommand("placesCmd_open:window");
-  updatePlacesCommand("placesCmd_open:privatewindow");
-  updatePlacesCommand("placesCmd_open:tab");
-  updatePlacesCommand("placesCmd_new:folder");
-  updatePlacesCommand("placesCmd_new:bookmark");
-  updatePlacesCommand("placesCmd_new:separator");
-  updatePlacesCommand("placesCmd_show:info");
-  updatePlacesCommand("placesCmd_moveBookmarks");
-  updatePlacesCommand("placesCmd_reload");
-  updatePlacesCommand("placesCmd_sortBy:name");
-  updatePlacesCommand("placesCmd_cut");
-  updatePlacesCommand("placesCmd_copy");
-  updatePlacesCommand("placesCmd_paste");
-  updatePlacesCommand("placesCmd_delete");
-}
-
-function doGetPlacesControllerForCommand(aCommand) {
-  // A context menu may be built for non-focusable views.  Thus, we first try
-  // to look for a view associated with document.popupNode
-  let popupNode;
-  try {
-    popupNode = document.popupNode;
-  } catch (e) {
-    // The document went away (bug 797307).
-    return null;
-  }
-  if (popupNode) {
-    let view = PlacesUIUtils.getViewForNode(popupNode);
-    if (view && view._contextMenuShown)
-      return view.controllers.getControllerForCommand(aCommand);
-  }
-
-  // When we're not building a context menu, only focusable views
-  // are possible.  Thus, we can safely use the command dispatcher.
-  let controller = top.document.commandDispatcher
-                      .getControllerForCommand(aCommand);
-  if (controller)
-    return controller;
-
-  return null;
-}
-
-function goDoPlacesCommand(aCommand) {
-  let controller = doGetPlacesControllerForCommand(aCommand);
-  if (controller && controller.isCommandEnabled(aCommand))
-    controller.doCommand(aCommand);
-}