/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Java side Core UI accessor.

*

*/

package com.nokia.mj.impl.coreuiqt;

import com.nokia.mj.impl.utils.Uid;

import com.nokia.mj.impl.rt.support.Jvm;

import com.nokia.mj.impl.rt.support.ApplicationUtils;

import com.nokia.mj.impl.rt.support.ApplicationInfo;

import com.nokia.mj.impl.coreui.CoreUi;

/**

 * A gate to CoreUi Qt implementation.

 */

public class CoreUiImpl extends CoreUi

{

    public CoreUiImpl()

    {

        // Load the native.

        Jvm.loadSystemLibrary("javacoreui");

    }

    /**

     * Connects to the already created CoreUi.

     * @return permission to start the application. There is a small time

     *         window where user is able to cancel the application

     *         start. In this case the CoreUi stores the request and

     *         informs the caller of this method that the application

     *         should not be started.

     */

    protected boolean connectToUiImpl()

    {

        return true;

    }

    /**

     * For creating the UI from Java side. This is meant for the pre-warmed

     * VM use case. Calling this method will lead creation of the CoreUI.

     * @param uid The UID of the application.

     * @param backGroundStart Should the UI be put into background.

     */

    protected void createUiImpl(Uid uid, boolean backGroundStart)

    {

        // CoreUiStartScreen.showStartScreen(backGroundStart);

    }

    /**

     * For asking the runtime to do the shutdown of the application.

     */

    protected void shutdownRequestImpl()

    {

        ApplicationUtils.getInstance().notifyExitCmd();

    }

    /**

     * For asking the runtime to bring the application to foreground.

     */

    protected void foregroundRequestImpl()

    {

    }

    /**

     * For asking if the UI is in foreground.

     */

    protected boolean isUiInForegroundImpl()

    {

        return true;

    }

    /**

     * For asking if the UI to remove the icon from the task manager.

     */

    protected void hideApplicationImpl(boolean hide)

    {

        // Native logic is reversed between Symbian^3 and Symbian^4.

        // platform specific part.

        _hideApplication(!hide);

    }

    private native void _hideApplication(boolean hide);

}