1 /*

     2 * Copyright (c) 2008 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:  Implementation class of GlobalIndicators API.

    15  *

    16 */

    17 

    18 package com.nokia.mj.impl.globalindicators;

    19 

    20 import com.nokia.mid.ui.GlobalIndicators;

    21 import com.nokia.mid.ui.GlobalIndicatorsException;

    22 import com.nokia.mj.impl.utils.OsErrorMessage;

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

    24 

    25 

    26 public class GlobalIndicatorsImpl

    27 {

    28 

    29     // Static instance, can be got with getInstace method

    30     private static GlobalIndicatorsImpl sGlobalIndicator;

    31     // Static block of the class.

    32 

    33     static

    34     {

    35         com.nokia.mj.impl.rt.support.Jvm.loadSystemLibrary("javaglobalindicators");

    36 

    37         // This is called when class is loaded for the first time

    38         sGlobalIndicator = new GlobalIndicatorsImpl();

    39     }

    40 

    41     /**

    42      * This private constructor can be called only from static block.

    43      */

    44     private GlobalIndicatorsImpl()

    45     {

    46     }

    47 

    48     /**

    49      * Return GlobalIndicatorsImpl instance

    50      */

    51     public static GlobalIndicatorsImpl getInstance()

    52     {

    53         return sGlobalIndicator;

    54     }

    55 

    56     /**

    57      * See class GlobalIndicators for comments

    58      */

    59     public int setGlobalIndicator(int aIndicator, int aValue)

    60     throws GlobalIndicatorsException

    61     {

    62         int ret;

    63         String protectionDomain = ApplicationInfo.getInstance().getProtectionDomain();

    64         if (protectionDomain == null)

    65         {

    66             throw new GlobalIndicatorsException(

    67                 "Failed to set global indicator for unidentified domain");

    68         }

    69         else

    70         {

    71             // For mail and chat indicators only show and hide are supported

    72             if (((aIndicator == GlobalIndicators.MAIL_INDICATOR) ||

    73                     (aIndicator == GlobalIndicators.CHAT_INDICATOR)) &&

    74                     ((aValue != GlobalIndicators.INDICATOR_SHOW) &&

    75                      (aValue != GlobalIndicators.INDICATOR_HIDE)))

    76             {

    77                 throw new GlobalIndicatorsException(

    78                     "Value is not supported for global indicator");

    79             }

    80 

    81             //int ret = _setGlobalIndicator( aIndicator, aValue );

    82             ret = _setGlobalIndicator(aIndicator, aValue);

    83             if (ret < OsErrorMessage.SUCCESS)

    84             {

    85                 throw new GlobalIndicatorsException(

    86                     "Failed to set global indicator", ret);

    87             }

    88         }

    89         return ret;

    90     }

    91 

    92     /**

    93      * See class GlobalIndicators for comments

    94      */

    95     public int getGlobalIndicator(int aIndicator)

    96     throws GlobalIndicatorsException

    97     {

    98         int ret = _getGlobalIndicator(aIndicator);

    99         if (ret < OsErrorMessage.SUCCESS)

   100         {

   101             throw new GlobalIndicatorsException(

   102                 "Failed to get global indicator value", ret);

   103         }

   104         return ret;

   105     }

   106 

   107     /**

   108      * Native methods.

   109      */

   110     private static native int _setGlobalIndicator(

   111         int aIndicator, int aValue);

   112 

   113     private static native int _getGlobalIndicator(

   114         int aIndicator);

   115 }