/*

* Copyright (c) 2008 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:

*

*/

package com.nokia.mj.impl.installer.midp2.install.steps;

import com.nokia.mj.impl.installer.exetable.ExeBall;

import com.nokia.mj.impl.installer.exetable.ExeStep;

import com.nokia.mj.impl.installer.ui.PermissionInfo;

import com.nokia.mj.impl.installer.utils.InstallerException;

import com.nokia.mj.impl.installer.utils.Log;

import com.nokia.mj.impl.security.midp.authorization.PermissionGranter;

/**

 * ConfirmPermissions shows permission confirmation dialog to user.

 */

public class ConfirmPermissions extends ExeStep

{

    public void execute(ExeBall aBall)

    {

        InstallBall ball = (InstallBall)aBall;

        if (ball.getInstallerUi() != null)

        {

            // Get requested permissions from security framework.

            String[] blanketPermissions =

                PermissionGranter.getInstance()

                .getBlanketPermissions(ball.iSuite.getUid());

            if (blanketPermissions != null &&

                    blanketPermissions.length > 0)

            {

                Log.log("Possible blanket permissions:");

                for (int i = 0; i < blanketPermissions.length; i++)

                {

                    Log.log("  " + blanketPermissions[i]);

                }

                // Display blanket permissions query to the user.

                String permissionsDetails = PermissionGranter.getInstance()

                                            .getBlanketPermissionsDetails(ball.iSuite.getUid());

                createPermissionsQueryThread(

                    ball, blanketPermissions, permissionsDetails);

            }

        }

    }

    public void cancel(ExeBall aBall)

    {

        // nop

    }

    /**

     * Creates and starts a new thread for asking blanket permissions

     * query from the user.

     */

    private void createPermissionsQueryThread(

        InstallBall aBall, String[] aBlanketPermissions, String aPermissionsDetails)

    {

        final InstallBall ball = aBall;

        final String[] blanketPermissions = aBlanketPermissions;

        final String permissionsDetails = aPermissionsDetails;

        ball.iDialogOpen = true;

        new Thread(new Runnable()

        {

            public void run()

            {

                PermissionInfo permissionInfo = null;

                boolean userConfirmation = true;

                try

                {

                    permissionInfo = new PermissionInfo(

                        blanketPermissions, permissionsDetails);

                    userConfirmation = ball.getInstallerUi()

                                       .confirmPermissions(permissionInfo);

                    Log.log("PermissionInfo after confirmation: " +

                            permissionInfo);

                }

                catch (Throwable t)

                {

                    Log.logError(

                        "Exception from InstallerUi.confirmPermissions: " + t,

                        t);

                }

                if (!userConfirmation)

                {

                    ball.cancel();

                }

                else if (permissionInfo != null &&

                         permissionInfo.isPermissionAllowed() != null &&

                         permissionInfo.isPermissionAllowed().booleanValue() == true)

                {

                    ball.iBlanketPermissionsGranted = true;

                }

                synchronized (ball)

                {

                    ball.iDialogOpen = false;

                    // Notify WaitForPermissionsQuery step that

                    // we are finished with launch app query.

                    ball.notify();

                }

            }

        }, "PermissionsQueryThread").start();

    }

}