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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
#include "nsISupports.idl"
interface nsIDOMHTMLMenuItemElement;
/**
* An interface used to construct native toolbar or context menus from <menu>
*/
[scriptable, uuid(93F4A48F-D043-4F45-97FD-9771EA1AF976)]
interface nsIMenuBuilder : nsISupports
{
/**
* Create the top level menu or a submenu. The implementation should create
* a new context for this menu, so all subsequent methods will add new items
* to this newly created menu.
*/
void openContainer(in DOMString aLabel);
/**
* Add a new menu item. All menu item details can be obtained from
* the element. This method is not called for hidden elements or elements
* with no or empty label. The icon should be loaded only if aCanLoadIcon
* is true.
*/
void addItemFor(in nsIDOMHTMLMenuItemElement aElement,
in boolean aCanLoadIcon);
/**
* Create a new separator.
*/
void addSeparator();
/**
* Remove last added separator.
* Sometimes it's needed to remove last added separator, otherwise it's not
* possible to implement the postprocessing in one pass.
* See http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#building-menus-and-toolbars
*/
void undoAddSeparator();
/**
* Set the context to the parent menu.
*/
void closeContainer();
/**
* Returns a JSON string representing the menu hierarchy. For a context menu,
* it will be of the form:
* {
* type: "menu",
* children: [
* {
* type: "menuitem",
* label: "label",
* icon: "image.png"
* },
* {
* type: "separator",
* },
* ];
*/
AString toJSONString();
/**
* Invoke the action of the menuitem with assigned id aGeneratedItemId.
*
* @param aGeneratedItemId the menuitem id
*/
void click(in DOMString aGeneratedItemId);
};
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