/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */

/*

  A package of routines shared by the XUL content code.

 */

#ifndef nsXULContentUtils_h__
#define nsXULContentUtils_h__

#include "nsISupports.h"

class nsAtom;
class nsICollation;
class nsIContent;
class nsIDocument;
class nsIRDFService;

namespace mozilla {
namespace dom {
class Element;
}
}

class nsXULContentUtils
{
protected:
    static nsIRDFService* gRDF;
    static nsICollation *gCollation;

    static bool gDisableXULCache;

    static int
    DisableXULCacheChangedCallback(const char* aPrefName, void* aClosure);

public:
    static nsresult
    Init();

    static nsresult
    Finish();

    static nsresult
    FindChildByTag(nsIContent *aElement,
                   int32_t aNameSpaceID,
                   nsAtom* aTag,
                   mozilla::dom::Element** aResult);

    static nsresult
    SetCommandUpdater(nsIDocument* aDocument, mozilla::dom::Element* aElement);

    static nsIRDFService*
    RDFService()
    {
        return gRDF;
    }

    static nsICollation*
    GetCollation();
};

#endif // nsXULContentUtils_h__