/* -*- 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/. */

/*

  The XUL "controllers" object.

*/

#ifndef nsXULControllers_h__

#define nsXULControllers_h__

#include "nsCOMPtr.h"

#include "nsTArray.h"

#include "nsWeakPtr.h"

#include "nsIControllers.h"

#include "nsCycleCollectionParticipant.h"

/* non-XPCOM class for holding controllers and their IDs */

class nsXULControllerData final

{

public:

                            nsXULControllerData(uint32_t inControllerID, nsIController* inController)

                            : mControllerID(inControllerID)

                            , mController(inController)

                            {

                            }

                            ~nsXULControllerData() {}

    uint32_t                GetControllerID()   { return mControllerID; }

    nsresult                GetController(nsIController **outController)

                            {

                              NS_IF_ADDREF(*outController = mController);

                              return NS_OK;

                            }

    uint32_t                mControllerID;

    nsCOMPtr<nsIController> mController;

};

class nsXULControllers final : public nsIControllers

{

public:

    nsXULControllers();

    NS_DECL_CYCLE_COLLECTING_ISUPPORTS

    NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsXULControllers, nsIControllers)

    NS_DECL_NSICONTROLLERS

protected:

    virtual ~nsXULControllers(void);

    void        DeleteControllers();

    nsTArray<nsXULControllerData*>   mControllers;

    uint32_t                         mCurControllerID;

};

#endif // nsXULControllers_h__