1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: Java side Core UI accessor.

    15 *

    16 */

    17 package com.nokia.mj.impl.coreuiqt;

    18 

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

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

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

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

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

    24 

    25 

    26 /**

    27  * A gate to CoreUi Qt implementation.

    28  */

    29 public class CoreUiImpl extends CoreUi

    30 {

    31 

    32     public CoreUiImpl()

    33     {

    34         // Load the native.

    35         Jvm.loadSystemLibrary("javacoreui");

    36     }

    37 

    38     /**

    39      * Connects to the already created CoreUi.

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

    41      *         window where user is able to cancel the application

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

    43      *         informs the caller of this method that the application

    44      *         should not be started.

    45      */

    46     protected boolean connectToUiImpl()

    47     {

    48         return true;

    49     }

    50 

    51     /**

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

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

    54      * @param uid The UID of the application.

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

    56      */

    57     protected void createUiImpl(Uid uid, boolean backGroundStart)

    58     {

    59         // CoreUiStartScreen.showStartScreen(backGroundStart);

    60     }

    61 

    62     /**

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

    64      */

    65     protected void shutdownRequestImpl()

    66     {

    67         ApplicationUtils.getInstance().notifyExitCmd();

    68     }

    69 

    70     /**

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

    72      */

    73     protected void foregroundRequestImpl()

    74     {

    75     }

    76 

    77     /**

    78      * For asking if the UI is in foreground.

    79      */

    80     protected boolean isUiInForegroundImpl()

    81     {

    82         return true;

    83     }

    84 

    85     /**

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

    87      */

    88     protected void hideApplicationImpl(boolean hide)

    89     {

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

    91         // platform specific part.

    92         _hideApplication(!hide);

    93     }

    94 

    95     private native void _hideApplication(boolean hide);

    96 }