Add m-esr52 at 52.6.0

1 files changed, 1996 insertions, 0 deletions

diff --git a/browser/components/places/content/browserPlacesViews.js b/browser/components/places/content/browserPlacesViews.js
new file mode 100644
index 000000000..c6ee9b6ce
--- /dev/null
+++ b/browser/components/places/content/browserPlacesViews.js
@@ -0,0 +1,1996 @@
+/* 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/. */
+
+Components.utils.import("resource://gre/modules/AppConstants.jsm");
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+Components.utils.import("resource://gre/modules/Services.jsm");
+
+/**
+ * The base view implements everything that's common to the toolbar and
+ * menu views.
+ */
+function PlacesViewBase(aPlace, aOptions) {
+  this.place = aPlace;
+  this.options = aOptions;
+  this._controller = new PlacesController(this);
+  this._viewElt.controllers.appendController(this._controller);
+}
+
+PlacesViewBase.prototype = {
+  // The xul element that holds the entire view.
+  _viewElt: null,
+  get viewElt() {
+    return this._viewElt;
+  },
+
+  get associatedElement() {
+    return this._viewElt;
+  },
+
+  get controllers() {
+    return this._viewElt.controllers;
+  },
+
+  // The xul element that represents the root container.
+  _rootElt: null,
+
+  // Set to true for views that are represented by native widgets (i.e.
+  // the native mac menu).
+  _nativeView: false,
+
+  QueryInterface: XPCOMUtils.generateQI(
+    [Components.interfaces.nsINavHistoryResultObserver,
+     Components.interfaces.nsISupportsWeakReference]),
+
+  _place: "",
+  get place() {
+    return this._place;
+  },
+  set place(val) {
+    this._place = val;
+
+    let history = PlacesUtils.history;
+    let queries = { }, options = { };
+    history.queryStringToQueries(val, queries, { }, options);
+    if (!queries.value.length)
+      queries.value = [history.getNewQuery()];
+
+    let result = history.executeQueries(queries.value, queries.value.length,
+                                        options.value);
+    result.addObserver(this, false);
+    return val;
+  },
+
+  _result: null,
+  get result() {
+    return this._result;
+  },
+  set result(val) {
+    if (this._result == val)
+      return val;
+
+    if (this._result) {
+      this._result.removeObserver(this);
+      this._resultNode.containerOpen = false;
+    }
+
+    if (this._rootElt.localName == "menupopup")
+      this._rootElt._built = false;
+
+    this._result = val;
+    if (val) {
+      this._resultNode = val.root;
+      this._rootElt._placesNode = this._resultNode;
+      this._domNodes = new Map();
+      this._domNodes.set(this._resultNode, this._rootElt);
+
+      // This calls _rebuild through invalidateContainer.
+      this._resultNode.containerOpen = true;
+    }
+    else {
+      this._resultNode = null;
+      delete this._domNodes;
+    }
+
+    return val;
+  },
+
+  _options: null,
+  get options() {
+    return this._options;
+  },
+  set options(val) {
+    if (!val)
+      val = {};
+
+    if (!("extraClasses" in val))
+      val.extraClasses = {};
+    this._options = val;
+
+    return val;
+  },
+
+  /**
+   * Gets the DOM node used for the given places node.
+   *
+   * @param aPlacesNode
+   *        a places result node.
+   * @throws if there is no DOM node set for aPlacesNode.
+   */
+  _getDOMNodeForPlacesNode:
+  function PVB__getDOMNodeForPlacesNode(aPlacesNode) {
+    let node = this._domNodes.get(aPlacesNode, null);
+    if (!node) {
+      throw new Error("No DOM node set for aPlacesNode.\nnode.type: " +
+                      aPlacesNode.type + ". node.parent: " + aPlacesNode);
+    }
+    return node;
+  },
+
+  get controller() {
+    return this._controller;
+  },
+
+  get selType() {
+    return "single";
+  },
+  selectItems: function() { },
+  selectAll: function() { },
+
+  get selectedNode() {
+    if (this._contextMenuShown) {
+      let anchor = this._contextMenuShown.triggerNode;
+      if (!anchor)
+        return null;
+
+      if (anchor._placesNode)
+        return this._rootElt == anchor ? null : anchor._placesNode;
+
+      anchor = anchor.parentNode;
+      return this._rootElt == anchor ? null : (anchor._placesNode || null);
+    }
+    return null;
+  },
+
+  get hasSelection() {
+    return this.selectedNode != null;
+  },
+
+  get selectedNodes() {
+    let selectedNode = this.selectedNode;
+    return selectedNode ? [selectedNode] : [];
+  },
+
+  get removableSelectionRanges() {
+    // On static content the current selectedNode would be the selection's
+    // parent node. We don't want to allow removing a node when the
+    // selection is not explicit.
+    if (document.popupNode &&
+        (document.popupNode == "menupopup" || !document.popupNode._placesNode))
+      return [];
+
+    return [this.selectedNodes];
+  },
+
+  get draggableSelection() {
+    return [this._draggedElt];
+  },
+
+  get insertionPoint() {
+    // There is no insertion point for history queries, so bail out now and
+    // save a lot of work when updating commands.
+    let resultNode = this._resultNode;
+    if (PlacesUtils.nodeIsQuery(resultNode) &&
+        PlacesUtils.asQuery(resultNode).queryOptions.queryType ==
+          Ci.nsINavHistoryQueryOptions.QUERY_TYPE_HISTORY)
+      return null;
+
+    // By default, the insertion point is at the top level, at the end.
+    let index = PlacesUtils.bookmarks.DEFAULT_INDEX;
+    let container = this._resultNode;
+    let orientation = Ci.nsITreeView.DROP_BEFORE;
+    let tagName = null;
+
+    let selectedNode = this.selectedNode;
+    if (selectedNode) {
+      let popup = document.popupNode;
+      if (!popup._placesNode || popup._placesNode == this._resultNode ||
+          popup._placesNode.itemId == -1 || !selectedNode.parent) {
+        // If a static menuitem is selected, or if the root node is selected,
+        // the insertion point is inside the folder, at the end.
+        container = selectedNode;
+        orientation = Ci.nsITreeView.DROP_ON;
+      }
+      else {
+        // In all other cases the insertion point is before that node.
+        container = selectedNode.parent;
+        index = container.getChildIndex(selectedNode);
+        if (PlacesUtils.nodeIsTagQuery(container)) {
+          tagName = container.title;
+          // TODO (Bug 1160193): properly support dropping on a tag root.
+          if (!tagName)
+            return null;
+        }
+      }
+    }
+
+    if (PlacesControllerDragHelper.disallowInsertion(container))
+      return null;
+
+    return new InsertionPoint(PlacesUtils.getConcreteItemId(container),
+                              index, orientation, tagName);
+  },
+
+  buildContextMenu: function PVB_buildContextMenu(aPopup) {
+    this._contextMenuShown = aPopup;
+    window.updateCommands("places");
+    return this.controller.buildContextMenu(aPopup);
+  },
+
+  destroyContextMenu: function PVB_destroyContextMenu(aPopup) {
+    this._contextMenuShown = null;
+  },
+
+  _cleanPopup: function PVB_cleanPopup(aPopup, aDelay) {
+    // Remove Places nodes from the popup.
+    let child = aPopup._startMarker;
+    while (child.nextSibling != aPopup._endMarker) {
+      let sibling = child.nextSibling;
+      if (sibling._placesNode && !aDelay) {
+        aPopup.removeChild(sibling);
+      }
+      else if (sibling._placesNode && aDelay) {
+        // HACK (bug 733419): the popups originating from the OS X native
+        // menubar don't live-update while open, thus we don't clean it
+        // until the next popupshowing, to avoid zombie menuitems.
+        if (!aPopup._delayedRemovals)
+          aPopup._delayedRemovals = [];
+        aPopup._delayedRemovals.push(sibling);
+        child = child.nextSibling;
+      }
+      else {
+        child = child.nextSibling;
+      }
+    }
+  },
+
+  _rebuildPopup: function PVB__rebuildPopup(aPopup) {
+    let resultNode = aPopup._placesNode;
+    if (!resultNode.containerOpen)
+      return;
+
+    if (this.controller.hasCachedLivemarkInfo(resultNode)) {
+      this._setEmptyPopupStatus(aPopup, false);
+      aPopup._built = true;
+      this._populateLivemarkPopup(aPopup);
+      return;
+    }
+
+    this._cleanPopup(aPopup);
+
+    let cc = resultNode.childCount;
+    if (cc > 0) {
+      this._setEmptyPopupStatus(aPopup, false);
+
+      for (let i = 0; i < cc; ++i) {
+        let child = resultNode.getChild(i);
+        this._insertNewItemToPopup(child, aPopup, null);
+      }
+    }
+    else {
+      this._setEmptyPopupStatus(aPopup, true);
+    }
+    aPopup._built = true;
+  },
+
+  _removeChild: function PVB__removeChild(aChild) {
+    // If document.popupNode pointed to this child, null it out,
+    // otherwise controller's command-updating may rely on the removed
+    // item still being "selected".
+    if (document.popupNode == aChild)
+      document.popupNode = null;
+
+    aChild.parentNode.removeChild(aChild);
+  },
+
+  _setEmptyPopupStatus:
+  function PVB__setEmptyPopupStatus(aPopup, aEmpty) {
+    if (!aPopup._emptyMenuitem) {
+      let label = PlacesUIUtils.getString("bookmarksMenuEmptyFolder");
+      aPopup._emptyMenuitem = document.createElement("menuitem");
+      aPopup._emptyMenuitem.setAttribute("label", label);
+      aPopup._emptyMenuitem.setAttribute("disabled", true);
+      aPopup._emptyMenuitem.className = "bookmark-item";
+      if (typeof this.options.extraClasses.entry == "string")
+        aPopup._emptyMenuitem.classList.add(this.options.extraClasses.entry);
+    }
+
+    if (aEmpty) {
+      aPopup.setAttribute("emptyplacesresult", "true");
+      // Don't add the menuitem if there is static content.
+      if (!aPopup._startMarker.previousSibling &&
+          !aPopup._endMarker.nextSibling)
+        aPopup.insertBefore(aPopup._emptyMenuitem, aPopup._endMarker);
+    }
+    else {
+      aPopup.removeAttribute("emptyplacesresult");
+      try {
+        aPopup.removeChild(aPopup._emptyMenuitem);
+      } catch (ex) {}
+    }
+  },
+
+  _createMenuItemForPlacesNode:
+  function PVB__createMenuItemForPlacesNode(aPlacesNode) {
+    this._domNodes.delete(aPlacesNode);
+
+    let element;
+    let type = aPlacesNode.type;
+    if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR) {
+      element = document.createElement("menuseparator");
+      element.setAttribute("class", "small-separator");
+    }
+    else {
+      let itemId = aPlacesNode.itemId;
+      if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_URI) {
+        element = document.createElement("menuitem");
+        element.className = "menuitem-iconic bookmark-item menuitem-with-favicon";
+        element.setAttribute("scheme",
+                             PlacesUIUtils.guessUrlSchemeForUI(aPlacesNode.uri));
+      }
+      else if (PlacesUtils.containerTypes.includes(type)) {
+        element = document.createElement("menu");
+        element.setAttribute("container", "true");
+
+        if (aPlacesNode.type == Ci.nsINavHistoryResultNode.RESULT_TYPE_QUERY) {
+          element.setAttribute("query", "true");
+          if (PlacesUtils.nodeIsTagQuery(aPlacesNode))
+            element.setAttribute("tagContainer", "true");
+          else if (PlacesUtils.nodeIsDay(aPlacesNode))
+            element.setAttribute("dayContainer", "true");
+          else if (PlacesUtils.nodeIsHost(aPlacesNode))
+            element.setAttribute("hostContainer", "true");
+        }
+        else if (itemId != -1) {
+          PlacesUtils.livemarks.getLivemark({ id: itemId })
+            .then(aLivemark => {
+              element.setAttribute("livemark", "true");
+              if (AppConstants.platform === "macosx") {
+                // OS X native menubar doesn't track list-style-images since
+                // it doesn't have a frame (bug 733415).  Thus enforce updating.
+                element.setAttribute("image", "");
+                element.removeAttribute("image");
+              }
+              this.controller.cacheLivemarkInfo(aPlacesNode, aLivemark);
+            }, () => undefined);
+        }
+
+        let popup = document.createElement("menupopup");
+        popup._placesNode = PlacesUtils.asContainer(aPlacesNode);
+
+        if (!this._nativeView) {
+          popup.setAttribute("placespopup", "true");
+        }
+
+        element.appendChild(popup);
+        element.className = "menu-iconic bookmark-item";
+        if (typeof this.options.extraClasses.entry == "string") {
+          element.classList.add(this.options.extraClasses.entry);
+        }
+
+        this._domNodes.set(aPlacesNode, popup);
+      }
+      else
+        throw "Unexpected node";
+
+      element.setAttribute("label", PlacesUIUtils.getBestTitle(aPlacesNode));
+
+      let icon = aPlacesNode.icon;
+      if (icon)
+        element.setAttribute("image", icon);
+    }
+
+    element._placesNode = aPlacesNode;
+    if (!this._domNodes.has(aPlacesNode))
+      this._domNodes.set(aPlacesNode, element);
+
+    return element;
+  },
+
+  _insertNewItemToPopup:
+  function PVB__insertNewItemToPopup(aNewChild, aPopup, aBefore) {
+    let element = this._createMenuItemForPlacesNode(aNewChild);
+    let before = aBefore || aPopup._endMarker;
+
+    if (element.localName == "menuitem" || element.localName == "menu") {
+      if (typeof this.options.extraClasses.entry == "string")
+        element.classList.add(this.options.extraClasses.entry);
+    }
+
+    aPopup.insertBefore(element, before);
+    return element;
+  },
+
+  _setLivemarkSiteURIMenuItem:
+  function PVB__setLivemarkSiteURIMenuItem(aPopup) {
+    let livemarkInfo = this.controller.getCachedLivemarkInfo(aPopup._placesNode);
+    let siteUrl = livemarkInfo && livemarkInfo.siteURI ?
+                  livemarkInfo.siteURI.spec : null;
+    if (!siteUrl && aPopup._siteURIMenuitem) {
+      aPopup.removeChild(aPopup._siteURIMenuitem);
+      aPopup._siteURIMenuitem = null;
+      aPopup.removeChild(aPopup._siteURIMenuseparator);
+      aPopup._siteURIMenuseparator = null;
+    }
+    else if (siteUrl && !aPopup._siteURIMenuitem) {
+      // Add "Open (Feed Name)" menuitem.
+      aPopup._siteURIMenuitem = document.createElement("menuitem");
+      aPopup._siteURIMenuitem.className = "openlivemarksite-menuitem";
+      if (typeof this.options.extraClasses.entry == "string") {
+        aPopup._siteURIMenuitem.classList.add(this.options.extraClasses.entry);
+      }
+      aPopup._siteURIMenuitem.setAttribute("targetURI", siteUrl);
+      aPopup._siteURIMenuitem.setAttribute("oncommand",
+        "openUILink(this.getAttribute('targetURI'), event);");
+
+      // If a user middle-clicks this item we serve the oncommand event.
+      // We are using checkForMiddleClick because of Bug 246720.
+      // Note: stopPropagation is needed to avoid serving middle-click
+      // with BT_onClick that would open all items in tabs.
+      aPopup._siteURIMenuitem.setAttribute("onclick",
+        "checkForMiddleClick(this, event); event.stopPropagation();");
+      let label =
+        PlacesUIUtils.getFormattedString("menuOpenLivemarkOrigin.label",
+                                         [aPopup.parentNode.getAttribute("label")])
+      aPopup._siteURIMenuitem.setAttribute("label", label);
+      aPopup.insertBefore(aPopup._siteURIMenuitem, aPopup._startMarker);
+
+      aPopup._siteURIMenuseparator = document.createElement("menuseparator");
+      aPopup.insertBefore(aPopup._siteURIMenuseparator, aPopup._startMarker);
+    }
+  },
+
+  /**
+   * Add, update or remove the livemark status menuitem.
+   * @param aPopup
+   *        The livemark container popup
+   * @param aStatus
+   *        The livemark status
+   */
+  _setLivemarkStatusMenuItem:
+  function PVB_setLivemarkStatusMenuItem(aPopup, aStatus) {
+    let statusMenuitem = aPopup._statusMenuitem;
+    if (!statusMenuitem) {
+      // Create the status menuitem and cache it in the popup object.
+      statusMenuitem = document.createElement("menuitem");
+      statusMenuitem.className = "livemarkstatus-menuitem";
+      if (typeof this.options.extraClasses.entry == "string") {
+        statusMenuitem.classList.add(this.options.extraClasses.entry);
+      }
+      statusMenuitem.setAttribute("disabled", true);
+      aPopup._statusMenuitem = statusMenuitem;
+    }
+
+    if (aStatus == Ci.mozILivemark.STATUS_LOADING ||
+        aStatus == Ci.mozILivemark.STATUS_FAILED) {
+      // Status has changed, update the cached status menuitem.
+      let stringId = aStatus == Ci.mozILivemark.STATUS_LOADING ?
+                       "bookmarksLivemarkLoading" : "bookmarksLivemarkFailed";
+      statusMenuitem.setAttribute("label", PlacesUIUtils.getString(stringId));
+      if (aPopup._startMarker.nextSibling != statusMenuitem)
+        aPopup.insertBefore(statusMenuitem, aPopup._startMarker.nextSibling);
+    }
+    else if (aPopup._statusMenuitem.parentNode == aPopup) {
+      // The livemark has finished loading.
+      aPopup.removeChild(aPopup._statusMenuitem);
+    }
+  },
+
+  toggleCutNode: function PVB_toggleCutNode(aPlacesNode, aValue) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // We may get the popup for menus, but we need the menu itself.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+    if (aValue)
+      elt.setAttribute("cutting", "true");
+    else
+      elt.removeAttribute("cutting");
+  },
+
+  nodeURIChanged: function PVB_nodeURIChanged(aPlacesNode, aURIString) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // Here we need the <menu>.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    elt.setAttribute("scheme", PlacesUIUtils.guessUrlSchemeForUI(aURIString));
+  },
+
+  nodeIconChanged: function PVB_nodeIconChanged(aPlacesNode) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // There's no UI representation for the root node, thus there's nothing to
+    // be done when the icon changes.
+    if (elt == this._rootElt)
+      return;
+
+    // Here we need the <menu>.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    let icon = aPlacesNode.icon;
+    if (!icon)
+      elt.removeAttribute("image");
+    else if (icon != elt.getAttribute("image"))
+      elt.setAttribute("image", icon);
+  },
+
+  nodeAnnotationChanged:
+  function PVB_nodeAnnotationChanged(aPlacesNode, aAnno) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // All livemarks have a feedURI, so use it as our indicator of a livemark
+    // being modified.
+    if (aAnno == PlacesUtils.LMANNO_FEEDURI) {
+      let menu = elt.parentNode;
+      if (!menu.hasAttribute("livemark")) {
+        menu.setAttribute("livemark", "true");
+        if (AppConstants.platform === "macosx") {
+          // OS X native menubar doesn't track list-style-images since
+          // it doesn't have a frame (bug 733415).  Thus enforce updating.
+          menu.setAttribute("image", "");
+          menu.removeAttribute("image");
+        }
+      }
+
+      PlacesUtils.livemarks.getLivemark({ id: aPlacesNode.itemId })
+        .then(aLivemark => {
+          // Controller will use this to build the meta data for the node.
+          this.controller.cacheLivemarkInfo(aPlacesNode, aLivemark);
+          this.invalidateContainer(aPlacesNode);
+        }, () => undefined);
+    }
+  },
+
+  nodeTitleChanged:
+  function PVB_nodeTitleChanged(aPlacesNode, aNewTitle) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // There's no UI representation for the root node, thus there's
+    // nothing to be done when the title changes.
+    if (elt == this._rootElt)
+      return;
+
+    // Here we need the <menu>.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    if (!aNewTitle && elt.localName != "toolbarbutton") {
+      // Many users consider toolbars as shortcuts containers, so explicitly
+      // allow empty labels on toolbarbuttons.  For any other element try to be
+      // smarter, guessing a title from the uri.
+      elt.setAttribute("label", PlacesUIUtils.getBestTitle(aPlacesNode));
+    }
+    else {
+      elt.setAttribute("label", aNewTitle);
+    }
+  },
+
+  nodeRemoved:
+  function PVB_nodeRemoved(aParentPlacesNode, aPlacesNode, aIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode);
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // Here we need the <menu>.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    if (parentElt._built) {
+      parentElt.removeChild(elt);
+
+      // Figure out if we need to show the "<Empty>" menu-item.
+      // TODO Bug 517701: This doesn't seem to handle the case of an empty
+      // root.
+      if (parentElt._startMarker.nextSibling == parentElt._endMarker)
+        this._setEmptyPopupStatus(parentElt, true);
+    }
+  },
+
+  nodeHistoryDetailsChanged:
+  function PVB_nodeHistoryDetailsChanged(aPlacesNode, aTime, aCount) {
+    if (aPlacesNode.parent &&
+        this.controller.hasCachedLivemarkInfo(aPlacesNode.parent)) {
+      // Find the node in the parent.
+      let popup = this._getDOMNodeForPlacesNode(aPlacesNode.parent);
+      for (let child = popup._startMarker.nextSibling;
+           child != popup._endMarker;
+           child = child.nextSibling) {
+        if (child._placesNode && child._placesNode.uri == aPlacesNode.uri) {
+          if (aCount)
+            child.setAttribute("visited", "true");
+          else
+            child.removeAttribute("visited");
+          break;
+        }
+      }
+    }
+  },
+
+  nodeTagsChanged: function() { },
+  nodeDateAddedChanged: function() { },
+  nodeLastModifiedChanged: function() { },
+  nodeKeywordChanged: function() { },
+  sortingChanged: function() { },
+  batching: function() { },
+
+  nodeInserted:
+  function PVB_nodeInserted(aParentPlacesNode, aPlacesNode, aIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode);
+    if (!parentElt._built)
+      return;
+
+    let index = Array.prototype.indexOf.call(parentElt.childNodes, parentElt._startMarker) +
+                aIndex + 1;
+    this._insertNewItemToPopup(aPlacesNode, parentElt,
+                               parentElt.childNodes[index]);
+    this._setEmptyPopupStatus(parentElt, false);
+  },
+
+  nodeMoved:
+  function PBV_nodeMoved(aPlacesNode,
+                         aOldParentPlacesNode, aOldIndex,
+                         aNewParentPlacesNode, aNewIndex) {
+    // Note: the current implementation of moveItem does not actually
+    // use this notification when the item in question is moved from one
+    // folder to another.  Instead, it calls nodeRemoved and nodeInserted
+    // for the two folders.  Thus, we can assume old-parent == new-parent.
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // Here we need the <menu>.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    // If our root node is a folder, it might be moved. There's nothing
+    // we need to do in that case.
+    if (elt == this._rootElt)
+      return;
+
+    let parentElt = this._getDOMNodeForPlacesNode(aNewParentPlacesNode);
+    if (parentElt._built) {
+      // Move the node.
+      parentElt.removeChild(elt);
+      let index = Array.prototype.indexOf.call(parentElt.childNodes, parentElt._startMarker) +
+                  aNewIndex + 1;
+      parentElt.insertBefore(elt, parentElt.childNodes[index]);
+    }
+  },
+
+  containerStateChanged:
+  function PVB_containerStateChanged(aPlacesNode, aOldState, aNewState) {
+    if (aNewState == Ci.nsINavHistoryContainerResultNode.STATE_OPENED ||
+        aNewState == Ci.nsINavHistoryContainerResultNode.STATE_CLOSED) {
+      this.invalidateContainer(aPlacesNode);
+
+      if (PlacesUtils.nodeIsFolder(aPlacesNode)) {
+        let queryOptions = PlacesUtils.asQuery(this._result.root).queryOptions;
+        if (queryOptions.excludeItems) {
+          return;
+        }
+
+        PlacesUtils.livemarks.getLivemark({ id: aPlacesNode.itemId })
+          .then(aLivemark => {
+            let shouldInvalidate =
+              !this.controller.hasCachedLivemarkInfo(aPlacesNode);
+            this.controller.cacheLivemarkInfo(aPlacesNode, aLivemark);
+            if (aNewState == Ci.nsINavHistoryContainerResultNode.STATE_OPENED) {
+              aLivemark.registerForUpdates(aPlacesNode, this);
+              // Prioritize the current livemark.
+              aLivemark.reload();
+              PlacesUtils.livemarks.reloadLivemarks();
+              if (shouldInvalidate)
+                this.invalidateContainer(aPlacesNode);
+            }
+            else {
+              aLivemark.unregisterForUpdates(aPlacesNode);
+            }
+          }, () => undefined);
+      }
+    }
+  },
+
+  _populateLivemarkPopup: function PVB__populateLivemarkPopup(aPopup)
+  {
+    this._setLivemarkSiteURIMenuItem(aPopup);
+    // Show the loading status only if there are no entries yet.
+    if (aPopup._startMarker.nextSibling == aPopup._endMarker)
+      this._setLivemarkStatusMenuItem(aPopup, Ci.mozILivemark.STATUS_LOADING);
+
+    PlacesUtils.livemarks.getLivemark({ id: aPopup._placesNode.itemId })
+      .then(aLivemark => {
+        let placesNode = aPopup._placesNode;
+        if (!placesNode.containerOpen)
+          return;
+
+        if (aLivemark.status != Ci.mozILivemark.STATUS_LOADING)
+          this._setLivemarkStatusMenuItem(aPopup, aLivemark.status);
+        this._cleanPopup(aPopup,
+          this._nativeView && aPopup.parentNode.hasAttribute("open"));
+
+        let children = aLivemark.getNodesForContainer(placesNode);
+        for (let i = 0; i < children.length; i++) {
+          let child = children[i];
+          this.nodeInserted(placesNode, child, i);
+          if (child.accessCount)
+            this._getDOMNodeForPlacesNode(child).setAttribute("visited", true);
+          else
+            this._getDOMNodeForPlacesNode(child).removeAttribute("visited");
+        }
+      }, Components.utils.reportError);
+  },
+
+  invalidateContainer: function PVB_invalidateContainer(aPlacesNode) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    elt._built = false;
+
+    // If the menupopup is open we should live-update it.
+    if (elt.parentNode.open)
+      this._rebuildPopup(elt);
+  },
+
+  uninit: function PVB_uninit() {
+    if (this._result) {
+      this._result.removeObserver(this);
+      this._resultNode.containerOpen = false;
+      this._resultNode = null;
+      this._result = null;
+    }
+
+    if (this._controller) {
+      this._controller.terminate();
+      // Removing the controller will fail if it is already no longer there.
+      // This can happen if the view element was removed/reinserted without
+      // our knowledge. There is no way to check for that having happened
+      // without the possibility of an exception. :-(
+      try {
+        this._viewElt.controllers.removeController(this._controller);
+      } catch (ex) {
+      } finally {
+        this._controller = null;
+      }
+    }
+
+    delete this._viewElt._placesView;
+  },
+
+  get isRTL() {
+    if ("_isRTL" in this)
+      return this._isRTL;
+
+    return this._isRTL = document.defaultView
+                                 .getComputedStyle(this.viewElt, "")
+                                 .direction == "rtl";
+  },
+
+  get ownerWindow() {
+    return window;
+  },
+
+  /**
+   * Adds an "Open All in Tabs" menuitem to the bottom of the popup.
+   * @param aPopup
+   *        a Places popup.
+   */
+  _mayAddCommandsItems: function PVB__mayAddCommandsItems(aPopup) {
+    // The command items are never added to the root popup.
+    if (aPopup == this._rootElt)
+      return;
+
+    let hasMultipleURIs = false;
+
+    // Check if the popup contains at least 2 menuitems with places nodes.
+    // We don't currently support opening multiple uri nodes when they are not
+    // populated by the result.
+    if (aPopup._placesNode.childCount > 0) {
+      let currentChild = aPopup.firstChild;
+      let numURINodes = 0;
+      while (currentChild) {
+        if (currentChild.localName == "menuitem" && currentChild._placesNode) {
+          if (++numURINodes == 2)
+            break;
+        }
+        currentChild = currentChild.nextSibling;
+      }
+      hasMultipleURIs = numURINodes > 1;
+    }
+
+    let isLiveMark = false;
+    if (this.controller.hasCachedLivemarkInfo(aPopup._placesNode)) {
+      hasMultipleURIs = true;
+      isLiveMark = true;
+    }
+
+    if (!hasMultipleURIs) {
+      aPopup.setAttribute("singleitempopup", "true");
+    } else {
+      aPopup.removeAttribute("singleitempopup");
+    }
+
+    if (!hasMultipleURIs) {
+      // We don't have to show any option.
+      if (aPopup._endOptOpenAllInTabs) {
+        aPopup.removeChild(aPopup._endOptOpenAllInTabs);
+        aPopup._endOptOpenAllInTabs = null;
+
+        aPopup.removeChild(aPopup._endOptSeparator);
+        aPopup._endOptSeparator = null;
+      }
+    }
+    else if (!aPopup._endOptOpenAllInTabs) {
+      // Create a separator before options.
+      aPopup._endOptSeparator = document.createElement("menuseparator");
+      aPopup._endOptSeparator.className = "bookmarks-actions-menuseparator";
+      aPopup.appendChild(aPopup._endOptSeparator);
+
+      // Add the "Open All in Tabs" menuitem.
+      aPopup._endOptOpenAllInTabs = document.createElement("menuitem");
+      aPopup._endOptOpenAllInTabs.className = "openintabs-menuitem";
+
+      if (typeof this.options.extraClasses.entry == "string")
+        aPopup._endOptOpenAllInTabs.classList.add(this.options.extraClasses.entry);
+      if (typeof this.options.extraClasses.footer == "string")
+        aPopup._endOptOpenAllInTabs.classList.add(this.options.extraClasses.footer);
+
+      if (isLiveMark) {
+        aPopup._endOptOpenAllInTabs.setAttribute("oncommand",
+          "PlacesUIUtils.openLiveMarkNodesInTabs(this.parentNode._placesNode, event, " +
+                                                 "PlacesUIUtils.getViewForNode(this));");
+      } else {
+        aPopup._endOptOpenAllInTabs.setAttribute("oncommand",
+          "PlacesUIUtils.openContainerNodeInTabs(this.parentNode._placesNode, event, " +
+                                                 "PlacesUIUtils.getViewForNode(this));");
+      }
+      aPopup._endOptOpenAllInTabs.setAttribute("onclick",
+        "checkForMiddleClick(this, event); event.stopPropagation();");
+      aPopup._endOptOpenAllInTabs.setAttribute("label",
+        gNavigatorBundle.getString("menuOpenAllInTabs.label"));
+      aPopup.appendChild(aPopup._endOptOpenAllInTabs);
+    }
+  },
+
+  _ensureMarkers: function PVB__ensureMarkers(aPopup) {
+    if (aPopup._startMarker)
+      return;
+
+    // _startMarker is an hidden menuseparator that lives before places nodes.
+    aPopup._startMarker = document.createElement("menuseparator");
+    aPopup._startMarker.hidden = true;
+    aPopup.insertBefore(aPopup._startMarker, aPopup.firstChild);
+
+    // _endMarker is a DOM node that lives after places nodes, specified with
+    // the 'insertionPoint' option or will be a hidden menuseparator.
+    let node = ("insertionPoint" in this.options) ?
+               aPopup.querySelector(this.options.insertionPoint) : null;
+    if (node) {
+      aPopup._endMarker = node;
+    } else {
+      aPopup._endMarker = document.createElement("menuseparator");
+      aPopup._endMarker.hidden = true;
+    }
+    aPopup.appendChild(aPopup._endMarker);
+
+    // Move the markers to the right position.
+    let firstNonStaticNodeFound = false;
+    for (let i = 0; i < aPopup.childNodes.length; i++) {
+      let child = aPopup.childNodes[i];
+      // Menus that have static content at the end, but are initially empty,
+      // use a special "builder" attribute to figure out where to start
+      // inserting places nodes.
+      if (child.getAttribute("builder") == "end") {
+        aPopup.insertBefore(aPopup._endMarker, child);
+        break;
+      }
+
+      if (child._placesNode && !child.hasAttribute("simulated-places-node") &&
+          !firstNonStaticNodeFound) {
+        firstNonStaticNodeFound = true;
+        aPopup.insertBefore(aPopup._startMarker, child);
+      }
+    }
+    if (!firstNonStaticNodeFound) {
+      aPopup.insertBefore(aPopup._startMarker, aPopup._endMarker);
+    }
+  },
+
+  _onPopupShowing: function PVB__onPopupShowing(aEvent) {
+    // Avoid handling popupshowing of inner views.
+    let popup = aEvent.originalTarget;
+
+    this._ensureMarkers(popup);
+
+    // Remove any delayed element, see _cleanPopup for details.
+    if ("_delayedRemovals" in popup) {
+      while (popup._delayedRemovals.length > 0) {
+        popup.removeChild(popup._delayedRemovals.shift());
+      }
+    }
+
+    if (popup._placesNode && PlacesUIUtils.getViewForNode(popup) == this) {
+      if (!popup._placesNode.containerOpen)
+        popup._placesNode.containerOpen = true;
+      if (!popup._built)
+        this._rebuildPopup(popup);
+
+      this._mayAddCommandsItems(popup);
+    }
+  },
+
+  _addEventListeners:
+  function PVB__addEventListeners(aObject, aEventNames, aCapturing) {
+    for (let i = 0; i < aEventNames.length; i++) {
+      aObject.addEventListener(aEventNames[i], this, aCapturing);
+    }
+  },
+
+  _removeEventListeners:
+  function PVB__removeEventListeners(aObject, aEventNames, aCapturing) {
+    for (let i = 0; i < aEventNames.length; i++) {
+      aObject.removeEventListener(aEventNames[i], this, aCapturing);
+    }
+  },
+};
+
+function PlacesToolbar(aPlace) {
+  let startTime = Date.now();
+  // Add some smart getters for our elements.
+  let thisView = this;
+  [
+    ["_viewElt",              "PlacesToolbar"],
+    ["_rootElt",              "PlacesToolbarItems"],
+    ["_dropIndicator",        "PlacesToolbarDropIndicator"],
+    ["_chevron",              "PlacesChevron"],
+    ["_chevronPopup",         "PlacesChevronPopup"]
+  ].forEach(function (elementGlobal) {
+    let [name, id] = elementGlobal;
+    thisView.__defineGetter__(name, function () {
+      let element = document.getElementById(id);
+      if (!element)
+        return null;
+
+      delete thisView[name];
+      return thisView[name] = element;
+    });
+  });
+
+  this._viewElt._placesView = this;
+
+  this._addEventListeners(this._viewElt, this._cbEvents, false);
+  this._addEventListeners(this._rootElt, ["popupshowing", "popuphidden"], true);
+  this._addEventListeners(this._rootElt, ["overflow", "underflow"], true);
+  this._addEventListeners(window, ["resize", "unload"], false);
+
+  // If personal-bookmarks has been dragged to the tabs toolbar,
+  // we have to track addition and removals of tabs, to properly
+  // recalculate the available space for bookmarks.
+  // TODO (bug 734730): Use a performant mutation listener when available.
+  if (this._viewElt.parentNode.parentNode == document.getElementById("TabsToolbar")) {
+    this._addEventListeners(gBrowser.tabContainer, ["TabOpen", "TabClose"], false);
+  }
+
+  PlacesViewBase.call(this, aPlace);
+
+  Services.telemetry.getHistogramById("FX_BOOKMARKS_TOOLBAR_INIT_MS")
+                    .add(Date.now() - startTime);
+}
+
+PlacesToolbar.prototype = {
+  __proto__: PlacesViewBase.prototype,
+
+  _cbEvents: ["dragstart", "dragover", "dragexit", "dragend", "drop",
+              "mousemove", "mouseover", "mouseout"],
+
+  QueryInterface: function PT_QueryInterface(aIID) {
+    if (aIID.equals(Ci.nsIDOMEventListener) ||
+        aIID.equals(Ci.nsITimerCallback))
+      return this;
+
+    return PlacesViewBase.prototype.QueryInterface.apply(this, arguments);
+  },
+
+  uninit: function PT_uninit() {
+    this._removeEventListeners(this._viewElt, this._cbEvents, false);
+    this._removeEventListeners(this._rootElt, ["popupshowing", "popuphidden"],
+                               true);
+    this._removeEventListeners(this._rootElt, ["overflow", "underflow"], true);
+    this._removeEventListeners(window, ["resize", "unload"], false);
+    this._removeEventListeners(gBrowser.tabContainer, ["TabOpen", "TabClose"], false);
+
+    if (this._chevron._placesView) {
+      this._chevron._placesView.uninit();
+    }
+
+    PlacesViewBase.prototype.uninit.apply(this, arguments);
+  },
+
+  _openedMenuButton: null,
+  _allowPopupShowing: true,
+
+  _rebuild: function PT__rebuild() {
+    // Clear out references to existing nodes, since they will be removed
+    // and re-added.
+    if (this._overFolder.elt)
+      this._clearOverFolder();
+
+    this._openedMenuButton = null;
+    while (this._rootElt.hasChildNodes()) {
+      this._rootElt.removeChild(this._rootElt.firstChild);
+    }
+
+    let cc = this._resultNode.childCount;
+    for (let i = 0; i < cc; ++i) {
+      this._insertNewItem(this._resultNode.getChild(i), null);
+    }
+
+    if (this._chevronPopup.hasAttribute("type")) {
+      // Chevron has already been initialized, but since we are forcing
+      // a rebuild of the toolbar, it has to be rebuilt.
+      // Otherwise, it will be initialized when the toolbar overflows.
+      this._chevronPopup.place = this.place;
+    }
+  },
+
+  _insertNewItem:
+  function PT__insertNewItem(aChild, aBefore) {
+    this._domNodes.delete(aChild);
+
+    let type = aChild.type;
+    let button;
+    if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR) {
+      button = document.createElement("toolbarseparator");
+    }
+    else {
+      button = document.createElement("toolbarbutton");
+      button.className = "bookmark-item";
+      button.setAttribute("label", aChild.title || "");
+      let icon = aChild.icon;
+      if (icon)
+        button.setAttribute("image", icon);
+
+      if (PlacesUtils.containerTypes.includes(type)) {
+        button.setAttribute("type", "menu");
+        button.setAttribute("container", "true");
+
+        if (PlacesUtils.nodeIsQuery(aChild)) {
+          button.setAttribute("query", "true");
+          if (PlacesUtils.nodeIsTagQuery(aChild))
+            button.setAttribute("tagContainer", "true");
+        }
+        else if (PlacesUtils.nodeIsFolder(aChild)) {
+          PlacesUtils.livemarks.getLivemark({ id: aChild.itemId })
+            .then(aLivemark => {
+              button.setAttribute("livemark", "true");
+              this.controller.cacheLivemarkInfo(aChild, aLivemark);
+            }, () => undefined);
+        }
+
+        let popup = document.createElement("menupopup");
+        popup.setAttribute("placespopup", "true");
+        button.appendChild(popup);
+        popup._placesNode = PlacesUtils.asContainer(aChild);
+        popup.setAttribute("context", "placesContext");
+
+        this._domNodes.set(aChild, popup);
+      }
+      else if (PlacesUtils.nodeIsURI(aChild)) {
+        button.setAttribute("scheme",
+                            PlacesUIUtils.guessUrlSchemeForUI(aChild.uri));
+      }
+    }
+
+    button._placesNode = aChild;
+    if (!this._domNodes.has(aChild))
+      this._domNodes.set(aChild, button);
+
+    if (aBefore)
+      this._rootElt.insertBefore(button, aBefore);
+    else
+      this._rootElt.appendChild(button);
+  },
+
+  _updateChevronPopupNodesVisibility:
+  function PT__updateChevronPopupNodesVisibility() {
+    for (let i = 0, node = this._chevronPopup._startMarker.nextSibling;
+         node != this._chevronPopup._endMarker;
+         i++, node = node.nextSibling) {
+      node.hidden = this._rootElt.childNodes[i].style.visibility != "hidden";
+    }
+  },
+
+  _onChevronPopupShowing:
+  function PT__onChevronPopupShowing(aEvent) {
+    // Handle popupshowing only for the chevron popup, not for nested ones.
+    if (aEvent.target != this._chevronPopup)
+      return;
+
+    if (!this._chevron._placesView)
+      this._chevron._placesView = new PlacesMenu(aEvent, this.place);
+
+    this._updateChevronPopupNodesVisibility();
+  },
+
+  handleEvent: function PT_handleEvent(aEvent) {
+    switch (aEvent.type) {
+      case "unload":
+        this.uninit();
+        break;
+      case "resize":
+        // This handler updates nodes visibility in both the toolbar
+        // and the chevron popup when a window resize does not change
+        // the overflow status of the toolbar.
+        this.updateChevron();
+        break;
+      case "overflow":
+        if (!this._isOverflowStateEventRelevant(aEvent))
+          return;
+        this._onOverflow();
+        break;
+      case "underflow":
+        if (!this._isOverflowStateEventRelevant(aEvent))
+          return;
+        this._onUnderflow();
+        break;
+      case "TabOpen":
+      case "TabClose":
+        this.updateChevron();
+        break;
+      case "dragstart":
+        this._onDragStart(aEvent);
+        break;
+      case "dragover":
+        this._onDragOver(aEvent);
+        break;
+      case "dragexit":
+        this._onDragExit(aEvent);
+        break;
+      case "dragend":
+        this._onDragEnd(aEvent);
+        break;
+      case "drop":
+        this._onDrop(aEvent);
+        break;
+      case "mouseover":
+        this._onMouseOver(aEvent);
+        break;
+      case "mousemove":
+        this._onMouseMove(aEvent);
+        break;
+      case "mouseout":
+        this._onMouseOut(aEvent);
+        break;
+      case "popupshowing":
+        this._onPopupShowing(aEvent);
+        break;
+      case "popuphidden":
+        this._onPopupHidden(aEvent);
+        break;
+      default:
+        throw "Trying to handle unexpected event.";
+    }
+  },
+
+  updateOverflowStatus: function() {
+    if (this._rootElt.scrollLeftMin != this._rootElt.scrollLeftMax) {
+      this._onOverflow();
+    } else {
+      this._onUnderflow();
+    }
+  },
+
+  _isOverflowStateEventRelevant: function PT_isOverflowStateEventRelevant(aEvent) {
+    // Ignore events not aimed at ourselves, as well as purely vertical ones:
+    return aEvent.target == aEvent.currentTarget && aEvent.detail > 0;
+  },
+
+  _onOverflow: function PT_onOverflow() {
+    // Attach the popup binding to the chevron popup if it has not yet
+    // been initialized.
+    if (!this._chevronPopup.hasAttribute("type")) {
+      this._chevronPopup.setAttribute("place", this.place);
+      this._chevronPopup.setAttribute("type", "places");
+    }
+    this._chevron.collapsed = false;
+    this.updateChevron();
+  },
+
+  _onUnderflow: function PT_onUnderflow() {
+    this.updateChevron();
+    this._chevron.collapsed = true;
+  },
+
+  updateChevron: function PT_updateChevron() {
+    // If the chevron is collapsed there's nothing to update.
+    if (this._chevron.collapsed)
+      return;
+
+    // Update the chevron on a timer.  This will avoid repeated work when
+    // lot of changes happen in a small timeframe.
+    if (this._updateChevronTimer)
+      this._updateChevronTimer.cancel();
+
+    this._updateChevronTimer = this._setTimer(100);
+  },
+
+  _updateChevronTimerCallback: function PT__updateChevronTimerCallback() {
+    let scrollRect = this._rootElt.getBoundingClientRect();
+    let childOverflowed = false;
+    for (let i = 0; i < this._rootElt.childNodes.length; i++) {
+      let child = this._rootElt.childNodes[i];
+      // Once a child overflows, all the next ones will.
+      if (!childOverflowed) {
+        let childRect = child.getBoundingClientRect();
+        childOverflowed = this.isRTL ? (childRect.left < scrollRect.left)
+                                     : (childRect.right > scrollRect.right);
+
+      }
+      child.style.visibility = childOverflowed ? "hidden" : "visible";
+    }
+
+    // We rebuild the chevron on popupShowing, so if it is open
+    // we must update it.
+    if (this._chevron.open)
+      this._updateChevronPopupNodesVisibility();
+  },
+
+  nodeInserted:
+  function PT_nodeInserted(aParentPlacesNode, aPlacesNode, aIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode);
+    if (parentElt == this._rootElt) {
+      let children = this._rootElt.childNodes;
+      this._insertNewItem(aPlacesNode,
+        aIndex < children.length ? children[aIndex] : null);
+      this.updateChevron();
+      return;
+    }
+
+    PlacesViewBase.prototype.nodeInserted.apply(this, arguments);
+  },
+
+  nodeRemoved:
+  function PT_nodeRemoved(aParentPlacesNode, aPlacesNode, aIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode);
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // Here we need the <menu>.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    if (parentElt == this._rootElt) {
+      this._removeChild(elt);
+      this.updateChevron();
+      return;
+    }
+
+    PlacesViewBase.prototype.nodeRemoved.apply(this, arguments);
+  },
+
+  nodeMoved:
+  function PT_nodeMoved(aPlacesNode,
+                        aOldParentPlacesNode, aOldIndex,
+                        aNewParentPlacesNode, aNewIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aNewParentPlacesNode);
+    if (parentElt == this._rootElt) {
+      // Container is on the toolbar.
+
+      // Move the element.
+      let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+      // Here we need the <menu>.
+      if (elt.localName == "menupopup")
+        elt = elt.parentNode;
+
+      this._removeChild(elt);
+      this._rootElt.insertBefore(elt, this._rootElt.childNodes[aNewIndex]);
+
+      // The chevron view may get nodeMoved after the toolbar.  In such a case,
+      // we should ensure (by manually swapping menuitems) that the actual nodes
+      // are in the final position before updateChevron tries to updates their
+      // visibility, or the chevron may go out of sync.
+      // Luckily updateChevron runs on a timer, so, by the time it updates
+      // nodes, the menu has already handled the notification.
+
+      this.updateChevron();
+      return;
+    }
+
+    PlacesViewBase.prototype.nodeMoved.apply(this, arguments);
+  },
+
+  nodeAnnotationChanged:
+  function PT_nodeAnnotationChanged(aPlacesNode, aAnno) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    if (elt == this._rootElt)
+      return;
+
+    // We're notified for the menupopup, not the containing toolbarbutton.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    if (elt.parentNode == this._rootElt) {
+      // Node is on the toolbar.
+
+      // All livemarks have a feedURI, so use it as our indicator.
+      if (aAnno == PlacesUtils.LMANNO_FEEDURI) {
+        elt.setAttribute("livemark", true);
+
+        PlacesUtils.livemarks.getLivemark({ id: aPlacesNode.itemId })
+          .then(aLivemark => {
+            this.controller.cacheLivemarkInfo(aPlacesNode, aLivemark);
+            this.invalidateContainer(aPlacesNode);
+          }, Components.utils.reportError);
+      }
+    }
+    else {
+      // Node is in a submenu.
+      PlacesViewBase.prototype.nodeAnnotationChanged.apply(this, arguments);
+    }
+  },
+
+  nodeTitleChanged: function PT_nodeTitleChanged(aPlacesNode, aNewTitle) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // There's no UI representation for the root node, thus there's
+    // nothing to be done when the title changes.
+    if (elt == this._rootElt)
+      return;
+
+    PlacesViewBase.prototype.nodeTitleChanged.apply(this, arguments);
+
+    // Here we need the <menu>.
+    if (elt.localName == "menupopup")
+      elt = elt.parentNode;
+
+    if (elt.parentNode == this._rootElt) {
+      // Node is on the toolbar
+      this.updateChevron();
+    }
+  },
+
+  invalidateContainer: function PT_invalidateContainer(aPlacesNode) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    if (elt == this._rootElt) {
+      // Container is the toolbar itself.
+      this._rebuild();
+      return;
+    }
+
+    PlacesViewBase.prototype.invalidateContainer.apply(this, arguments);
+  },
+
+  _overFolder: { elt: null,
+                 openTimer: null,
+                 hoverTime: 350,
+                 closeTimer: null },
+
+  _clearOverFolder: function PT__clearOverFolder() {
+    // The mouse is no longer dragging over the stored menubutton.
+    // Close the menubutton, clear out drag styles, and clear all
+    // timers for opening/closing it.
+    if (this._overFolder.elt && this._overFolder.elt.lastChild) {
+      if (!this._overFolder.elt.lastChild.hasAttribute("dragover")) {
+        this._overFolder.elt.lastChild.hidePopup();
+      }
+      this._overFolder.elt.removeAttribute("dragover");
+      this._overFolder.elt = null;
+    }
+    if (this._overFolder.openTimer) {
+      this._overFolder.openTimer.cancel();
+      this._overFolder.openTimer = null;
+    }
+    if (this._overFolder.closeTimer) {
+      this._overFolder.closeTimer.cancel();
+      this._overFolder.closeTimer = null;
+    }
+  },
+
+  /**
+   * This function returns information about where to drop when dragging over
+   * the toolbar.  The returned object has the following properties:
+   * - ip: the insertion point for the bookmarks service.
+   * - beforeIndex: child index to drop before, for the drop indicator.
+   * - folderElt: the folder to drop into, if applicable.
+   */
+  _getDropPoint: function PT__getDropPoint(aEvent) {
+    if (!PlacesUtils.nodeIsFolder(this._resultNode))
+      return null;
+
+    let dropPoint = { ip: null, beforeIndex: null, folderElt: null };
+    let elt = aEvent.target;
+    if (elt._placesNode && elt != this._rootElt &&
+        elt.localName != "menupopup") {
+      let eltRect = elt.getBoundingClientRect();
+      let eltIndex = Array.prototype.indexOf.call(this._rootElt.childNodes, elt);
+      if (PlacesUtils.nodeIsFolder(elt._placesNode) &&
+          !PlacesUIUtils.isContentsReadOnly(elt._placesNode)) {
+        // This is a folder.
+        // If we are in the middle of it, drop inside it.
+        // Otherwise, drop before it, with regards to RTL mode.
+        let threshold = eltRect.width * 0.25;
+        if (this.isRTL ? (aEvent.clientX > eltRect.right - threshold)
+                       : (aEvent.clientX < eltRect.left + threshold)) {
+          // Drop before this folder.
+          dropPoint.ip =
+            new InsertionPoint(PlacesUtils.getConcreteItemId(this._resultNode),
+                               eltIndex, Ci.nsITreeView.DROP_BEFORE);
+          dropPoint.beforeIndex = eltIndex;
+        }
+        else if (this.isRTL ? (aEvent.clientX > eltRect.left + threshold)
+                            : (aEvent.clientX < eltRect.right - threshold)) {
+          // Drop inside this folder.
+          let tagName = PlacesUtils.nodeIsTagQuery(elt._placesNode) ?
+                        elt._placesNode.title : null;
+          dropPoint.ip =
+            new InsertionPoint(PlacesUtils.getConcreteItemId(elt._placesNode),
+                               -1, Ci.nsITreeView.DROP_ON,
+                               tagName);
+          dropPoint.beforeIndex = eltIndex;
+          dropPoint.folderElt = elt;
+        }
+        else {
+          // Drop after this folder.
+          let beforeIndex =
+            (eltIndex == this._rootElt.childNodes.length - 1) ?
+            -1 : eltIndex + 1;
+
+          dropPoint.ip =
+            new InsertionPoint(PlacesUtils.getConcreteItemId(this._resultNode),
+                               beforeIndex, Ci.nsITreeView.DROP_BEFORE);
+          dropPoint.beforeIndex = beforeIndex;
+        }
+      }
+      else {
+        // This is a non-folder node or a read-only folder.
+        // Drop before it with regards to RTL mode.
+        let threshold = eltRect.width * 0.5;
+        if (this.isRTL ? (aEvent.clientX > eltRect.left + threshold)
+                       : (aEvent.clientX < eltRect.left + threshold)) {
+          // Drop before this bookmark.
+          dropPoint.ip =
+            new InsertionPoint(PlacesUtils.getConcreteItemId(this._resultNode),
+                               eltIndex, Ci.nsITreeView.DROP_BEFORE);
+          dropPoint.beforeIndex = eltIndex;
+        }
+        else {
+          // Drop after this bookmark.
+          let beforeIndex =
+            eltIndex == this._rootElt.childNodes.length - 1 ?
+            -1 : eltIndex + 1;
+          dropPoint.ip =
+            new InsertionPoint(PlacesUtils.getConcreteItemId(this._resultNode),
+                               beforeIndex, Ci.nsITreeView.DROP_BEFORE);
+          dropPoint.beforeIndex = beforeIndex;
+        }
+      }
+    }
+    else {
+      // We are most likely dragging on the empty area of the
+      // toolbar, we should drop after the last node.
+      dropPoint.ip =
+        new InsertionPoint(PlacesUtils.getConcreteItemId(this._resultNode),
+                           -1, Ci.nsITreeView.DROP_BEFORE);
+      dropPoint.beforeIndex = -1;
+    }
+
+    return dropPoint;
+  },
+
+  _setTimer: function PT_setTimer(aTime) {
+    let timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
+    timer.initWithCallback(this, aTime, timer.TYPE_ONE_SHOT);
+    return timer;
+  },
+
+  notify: function PT_notify(aTimer) {
+    if (aTimer == this._updateChevronTimer) {
+      this._updateChevronTimer = null;
+      this._updateChevronTimerCallback();
+    }
+
+    // * Timer to turn off indicator bar.
+    else if (aTimer == this._ibTimer) {
+      this._dropIndicator.collapsed = true;
+      this._ibTimer = null;
+    }
+
+    // * Timer to open a menubutton that's being dragged over.
+    else if (aTimer == this._overFolder.openTimer) {
+      // Set the autoopen attribute on the folder's menupopup so that
+      // the menu will automatically close when the mouse drags off of it.
+      this._overFolder.elt.lastChild.setAttribute("autoopened", "true");
+      this._overFolder.elt.open = true;
+      this._overFolder.openTimer = null;
+    }
+
+    // * Timer to close a menubutton that's been dragged off of.
+    else if (aTimer == this._overFolder.closeTimer) {
+      // Close the menubutton if we are not dragging over it or one of
+      // its children.  The autoopened attribute will let the menu know to
+      // close later if the menu is still being dragged over.
+      let currentPlacesNode = PlacesControllerDragHelper.currentDropTarget;
+      let inHierarchy = false;
+      while (currentPlacesNode) {
+        if (currentPlacesNode == this._rootElt) {
+          inHierarchy = true;
+          break;
+        }
+        currentPlacesNode = currentPlacesNode.parentNode;
+      }
+      // The _clearOverFolder() function will close the menu for
+      // _overFolder.elt.  So null it out if we don't want to close it.
+      if (inHierarchy)
+        this._overFolder.elt = null;
+
+      // Clear out the folder and all associated timers.
+      this._clearOverFolder();
+    }
+  },
+
+  _onMouseOver: function PT__onMouseOver(aEvent) {
+    let button = aEvent.target;
+    if (button.parentNode == this._rootElt && button._placesNode &&
+        PlacesUtils.nodeIsURI(button._placesNode))
+      window.XULBrowserWindow.setOverLink(aEvent.target._placesNode.uri, null);
+  },
+
+  _onMouseOut: function PT__onMouseOut(aEvent) {
+    window.XULBrowserWindow.setOverLink("", null);
+  },
+
+  _cleanupDragDetails: function PT__cleanupDragDetails() {
+    // Called on dragend and drop.
+    PlacesControllerDragHelper.currentDropTarget = null;
+    this._draggedElt = null;
+    if (this._ibTimer)
+      this._ibTimer.cancel();
+
+    this._dropIndicator.collapsed = true;
+  },
+
+  _onDragStart: function PT__onDragStart(aEvent) {
+    // Sub menus have their own d&d handlers.
+    let draggedElt = aEvent.target;
+    if (draggedElt.parentNode != this._rootElt || !draggedElt._placesNode)
+      return;
+
+    if (draggedElt.localName == "toolbarbutton" &&
+        draggedElt.getAttribute("type") == "menu") {
+      // If the drag gesture on a container is toward down we open instead
+      // of dragging.
+      let translateY = this._cachedMouseMoveEvent.clientY - aEvent.clientY;
+      let translateX = this._cachedMouseMoveEvent.clientX - aEvent.clientX;
+      if ((translateY) >= Math.abs(translateX/2)) {
+        // Don't start the drag.
+        aEvent.preventDefault();
+        // Open the menu.
+        draggedElt.open = true;
+        return;
+      }
+
+      // If the menu is open, close it.
+      if (draggedElt.open) {
+        draggedElt.lastChild.hidePopup();
+        draggedElt.open = false;
+      }
+    }
+
+    // Activate the view and cache the dragged element.
+    this._draggedElt = draggedElt._placesNode;
+    this._rootElt.focus();
+
+    this._controller.setDataTransfer(aEvent);
+    aEvent.stopPropagation();
+  },
+
+  _onDragOver: function PT__onDragOver(aEvent) {
+    // Cache the dataTransfer
+    PlacesControllerDragHelper.currentDropTarget = aEvent.target;
+    let dt = aEvent.dataTransfer;
+
+    let dropPoint = this._getDropPoint(aEvent);
+    if (!dropPoint || !dropPoint.ip ||
+        !PlacesControllerDragHelper.canDrop(dropPoint.ip, dt)) {
+      this._dropIndicator.collapsed = true;
+      aEvent.stopPropagation();
+      return;
+    }
+
+    if (this._ibTimer) {
+      this._ibTimer.cancel();
+      this._ibTimer = null;
+    }
+
+    if (dropPoint.folderElt || aEvent.originalTarget == this._chevron) {
+      // Dropping over a menubutton or chevron button.
+      // Set styles and timer to open relative menupopup.
+      let overElt = dropPoint.folderElt || this._chevron;
+      if (this._overFolder.elt != overElt) {
+        this._clearOverFolder();
+        this._overFolder.elt = overElt;
+        this._overFolder.openTimer = this._setTimer(this._overFolder.hoverTime);
+      }
+      if (!this._overFolder.elt.hasAttribute("dragover"))
+        this._overFolder.elt.setAttribute("dragover", "true");
+
+      this._dropIndicator.collapsed = true;
+    }
+    else {
+      // Dragging over a normal toolbarbutton,
+      // show indicator bar and move it to the appropriate drop point.
+      let ind = this._dropIndicator;
+      ind.parentNode.collapsed = false;
+      let halfInd = ind.clientWidth / 2;
+      let translateX;
+      if (this.isRTL) {
+        halfInd = Math.ceil(halfInd);
+        translateX = 0 - this._rootElt.getBoundingClientRect().right - halfInd;
+        if (this._rootElt.firstChild) {
+          if (dropPoint.beforeIndex == -1)
+            translateX += this._rootElt.lastChild.getBoundingClientRect().left;
+          else {
+            translateX += this._rootElt.childNodes[dropPoint.beforeIndex]
+                              .getBoundingClientRect().right;
+          }
+        }
+      }
+      else {
+        halfInd = Math.floor(halfInd);
+        translateX = 0 - this._rootElt.getBoundingClientRect().left +
+                     halfInd;
+        if (this._rootElt.firstChild) {
+          if (dropPoint.beforeIndex == -1)
+            translateX += this._rootElt.lastChild.getBoundingClientRect().right;
+          else {
+            translateX += this._rootElt.childNodes[dropPoint.beforeIndex]
+                              .getBoundingClientRect().left;
+          }
+        }
+      }
+
+      ind.style.transform = "translate(" + Math.round(translateX) + "px)";
+      ind.style.marginInlineStart = (-ind.clientWidth) + "px";
+      ind.collapsed = false;
+
+      // Clear out old folder information.
+      this._clearOverFolder();
+    }
+
+    aEvent.preventDefault();
+    aEvent.stopPropagation();
+  },
+
+  _onDrop: function PT__onDrop(aEvent) {
+    PlacesControllerDragHelper.currentDropTarget = aEvent.target;
+
+    let dropPoint = this._getDropPoint(aEvent);
+    if (dropPoint && dropPoint.ip) {
+      PlacesControllerDragHelper.onDrop(dropPoint.ip, aEvent.dataTransfer)
+                                .then(null, Components.utils.reportError);
+      aEvent.preventDefault();
+    }
+
+    this._cleanupDragDetails();
+    aEvent.stopPropagation();
+  },
+
+  _onDragExit: function PT__onDragExit(aEvent) {
+    PlacesControllerDragHelper.currentDropTarget = null;
+
+    // Set timer to turn off indicator bar (if we turn it off
+    // here, dragenter might be called immediately after, creating
+    // flicker).
+    if (this._ibTimer)
+      this._ibTimer.cancel();
+    this._ibTimer = this._setTimer(10);
+
+    // If we hovered over a folder, close it now.
+    if (this._overFolder.elt)
+        this._overFolder.closeTimer = this._setTimer(this._overFolder.hoverTime);
+  },
+
+  _onDragEnd: function PT_onDragEnd(aEvent) {
+    this._cleanupDragDetails();
+  },
+
+  _onPopupShowing: function PT__onPopupShowing(aEvent) {
+    if (!this._allowPopupShowing) {
+      this._allowPopupShowing = true;
+      aEvent.preventDefault();
+      return;
+    }
+
+    let parent = aEvent.target.parentNode;
+    if (parent.localName == "toolbarbutton")
+      this._openedMenuButton = parent;
+
+    PlacesViewBase.prototype._onPopupShowing.apply(this, arguments);
+  },
+
+  _onPopupHidden: function PT__onPopupHidden(aEvent) {
+    let popup = aEvent.target;
+    let placesNode = popup._placesNode;
+    // Avoid handling popuphidden of inner views
+    if (placesNode && PlacesUIUtils.getViewForNode(popup) == this) {
+      // UI performance: folder queries are cheap, keep the resultnode open
+      // so we don't rebuild its contents whenever the popup is reopened.
+      // Though, we want to always close feed containers so their expiration
+      // status will be checked at next opening.
+      if (!PlacesUtils.nodeIsFolder(placesNode) ||
+          this.controller.hasCachedLivemarkInfo(placesNode)) {
+        placesNode.containerOpen = false;
+      }
+    }
+
+    let parent = popup.parentNode;
+    if (parent.localName == "toolbarbutton") {
+      this._openedMenuButton = null;
+      // Clear the dragover attribute if present, if we are dragging into a
+      // folder in the hierachy of current opened popup we don't clear
+      // this attribute on clearOverFolder.  See Notify for closeTimer.
+      if (parent.hasAttribute("dragover"))
+        parent.removeAttribute("dragover");
+    }
+  },
+
+  _onMouseMove: function PT__onMouseMove(aEvent) {
+    // Used in dragStart to prevent dragging folders when dragging down.
+    this._cachedMouseMoveEvent = aEvent;
+
+    if (this._openedMenuButton == null ||
+        PlacesControllerDragHelper.getSession())
+      return;
+
+    let target = aEvent.originalTarget;
+    if (this._openedMenuButton != target &&
+        target.localName == "toolbarbutton" &&
+        target.type == "menu") {
+      this._openedMenuButton.open = false;
+      target.open = true;
+    }
+  }
+};
+
+/**
+ * View for Places menus.  This object should be created during the first
+ * popupshowing that's dispatched on the menu.
+ */
+function PlacesMenu(aPopupShowingEvent, aPlace, aOptions) {
+  this._rootElt = aPopupShowingEvent.target; // <menupopup>
+  this._viewElt = this._rootElt.parentNode;   // <menu>
+  this._viewElt._placesView = this;
+  this._addEventListeners(this._rootElt, ["popupshowing", "popuphidden"], true);
+  this._addEventListeners(window, ["unload"], false);
+
+  if (AppConstants.platform === "macosx") {
+    // Must walk up to support views in sub-menus, like Bookmarks Toolbar menu.
+    for (let elt = this._viewElt.parentNode; elt; elt = elt.parentNode) {
+      if (elt.localName == "menubar") {
+        this._nativeView = true;
+        break;
+      }
+    }
+  }
+
+  PlacesViewBase.call(this, aPlace, aOptions);
+  this._onPopupShowing(aPopupShowingEvent);
+}
+
+PlacesMenu.prototype = {
+  __proto__: PlacesViewBase.prototype,
+
+  QueryInterface: function PM_QueryInterface(aIID) {
+    if (aIID.equals(Ci.nsIDOMEventListener))
+      return this;
+
+    return PlacesViewBase.prototype.QueryInterface.apply(this, arguments);
+  },
+
+  _removeChild: function PM_removeChild(aChild) {
+    PlacesViewBase.prototype._removeChild.apply(this, arguments);
+  },
+
+  uninit: function PM_uninit() {
+    this._removeEventListeners(this._rootElt, ["popupshowing", "popuphidden"],
+                               true);
+    this._removeEventListeners(window, ["unload"], false);
+
+    PlacesViewBase.prototype.uninit.apply(this, arguments);
+  },
+
+  handleEvent: function PM_handleEvent(aEvent) {
+    switch (aEvent.type) {
+      case "unload":
+        this.uninit();
+        break;
+      case "popupshowing":
+        this._onPopupShowing(aEvent);
+        break;
+      case "popuphidden":
+        this._onPopupHidden(aEvent);
+        break;
+    }
+  },
+
+  _onPopupHidden: function PM__onPopupHidden(aEvent) {
+    // Avoid handling popuphidden of inner views.
+    let popup = aEvent.originalTarget;
+    let placesNode = popup._placesNode;
+    if (!placesNode || PlacesUIUtils.getViewForNode(popup) != this)
+      return;
+
+    // UI performance: folder queries are cheap, keep the resultnode open
+    // so we don't rebuild its contents whenever the popup is reopened.
+    // Though, we want to always close feed containers so their expiration
+    // status will be checked at next opening.
+    if (!PlacesUtils.nodeIsFolder(placesNode) ||
+        this.controller.hasCachedLivemarkInfo(placesNode))
+      placesNode.containerOpen = false;
+
+    // The autoopened attribute is set for folders which have been
+    // automatically opened when dragged over.  Turn off this attribute
+    // when the folder closes because it is no longer applicable.
+    popup.removeAttribute("autoopened");
+    popup.removeAttribute("dragstart");
+  }
+};
+
+function PlacesPanelMenuView(aPlace, aViewId, aRootId, aOptions) {
+  this._viewElt = document.getElementById(aViewId);
+  this._rootElt = document.getElementById(aRootId);
+  this._viewElt._placesView = this;
+  this.options = aOptions;
+
+  PlacesViewBase.call(this, aPlace, aOptions);
+}
+
+PlacesPanelMenuView.prototype = {
+  __proto__: PlacesViewBase.prototype,
+
+  QueryInterface: function PAMV_QueryInterface(aIID) {
+    return PlacesViewBase.prototype.QueryInterface.apply(this, arguments);
+  },
+
+  uninit: function PAMV_uninit() {
+    PlacesViewBase.prototype.uninit.apply(this, arguments);
+  },
+
+  _insertNewItem:
+  function PAMV__insertNewItem(aChild, aBefore) {
+    this._domNodes.delete(aChild);
+
+    let type = aChild.type;
+    let button;
+    if (type == Ci.nsINavHistoryResultNode.RESULT_TYPE_SEPARATOR) {
+      button = document.createElement("toolbarseparator");
+      button.setAttribute("class", "small-separator");
+    }
+    else {
+      button = document.createElement("toolbarbutton");
+      button.className = "bookmark-item";
+      if (typeof this.options.extraClasses.entry == "string")
+        button.classList.add(this.options.extraClasses.entry);
+      button.setAttribute("label", aChild.title || "");
+      let icon = aChild.icon;
+      if (icon)
+        button.setAttribute("image", icon);
+
+      if (PlacesUtils.containerTypes.includes(type)) {
+        button.setAttribute("container", "true");
+
+        if (PlacesUtils.nodeIsQuery(aChild)) {
+          button.setAttribute("query", "true");
+          if (PlacesUtils.nodeIsTagQuery(aChild))
+            button.setAttribute("tagContainer", "true");
+        }
+        else if (PlacesUtils.nodeIsFolder(aChild)) {
+          PlacesUtils.livemarks.getLivemark({ id: aChild.itemId })
+            .then(aLivemark => {
+              button.setAttribute("livemark", "true");
+              this.controller.cacheLivemarkInfo(aChild, aLivemark);
+            }, () => undefined);
+        }
+      }
+      else if (PlacesUtils.nodeIsURI(aChild)) {
+        button.setAttribute("scheme",
+                            PlacesUIUtils.guessUrlSchemeForUI(aChild.uri));
+      }
+    }
+
+    button._placesNode = aChild;
+    if (!this._domNodes.has(aChild))
+      this._domNodes.set(aChild, button);
+
+    this._rootElt.insertBefore(button, aBefore);
+  },
+
+  nodeInserted:
+  function PAMV_nodeInserted(aParentPlacesNode, aPlacesNode, aIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode);
+    if (parentElt != this._rootElt)
+      return;
+
+    let children = this._rootElt.childNodes;
+    this._insertNewItem(aPlacesNode,
+      aIndex < children.length ? children[aIndex] : null);
+  },
+
+  nodeRemoved:
+  function PAMV_nodeRemoved(aParentPlacesNode, aPlacesNode, aIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aParentPlacesNode);
+    if (parentElt != this._rootElt)
+      return;
+
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    this._removeChild(elt);
+  },
+
+  nodeMoved:
+  function PAMV_nodeMoved(aPlacesNode,
+                          aOldParentPlacesNode, aOldIndex,
+                          aNewParentPlacesNode, aNewIndex) {
+    let parentElt = this._getDOMNodeForPlacesNode(aNewParentPlacesNode);
+    if (parentElt != this._rootElt)
+      return;
+
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    this._removeChild(elt);
+    this._rootElt.insertBefore(elt, this._rootElt.childNodes[aNewIndex]);
+  },
+
+  nodeAnnotationChanged:
+  function PAMV_nodeAnnotationChanged(aPlacesNode, aAnno) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    // There's no UI representation for the root node.
+    if (elt == this._rootElt)
+      return;
+
+    if (elt.parentNode != this._rootElt)
+      return;
+
+    // All livemarks have a feedURI, so use it as our indicator.
+    if (aAnno == PlacesUtils.LMANNO_FEEDURI) {
+      elt.setAttribute("livemark", true);
+
+      PlacesUtils.livemarks.getLivemark({ id: aPlacesNode.itemId })
+        .then(aLivemark => {
+          this.controller.cacheLivemarkInfo(aPlacesNode, aLivemark);
+          this.invalidateContainer(aPlacesNode);
+        }, Components.utils.reportError);
+    }
+  },
+
+  nodeTitleChanged: function PAMV_nodeTitleChanged(aPlacesNode, aNewTitle) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+
+    // There's no UI representation for the root node.
+    if (elt == this._rootElt)
+      return;
+
+    PlacesViewBase.prototype.nodeTitleChanged.apply(this, arguments);
+  },
+
+  invalidateContainer: function PAMV_invalidateContainer(aPlacesNode) {
+    let elt = this._getDOMNodeForPlacesNode(aPlacesNode);
+    if (elt != this._rootElt)
+      return;
+
+    // Container is the toolbar itself.
+    while (this._rootElt.hasChildNodes()) {
+      this._rootElt.removeChild(this._rootElt.firstChild);
+    }
+
+    for (let i = 0; i < this._resultNode.childCount; ++i) {
+      this._insertNewItem(this._resultNode.getChild(i), null);
+    }
+  }
+};