coreapplicationuis/SysAp/Inc/sysapbatteryinfocontroller.h
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     1 /*
       
     2 * Copyright (c) 2007 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:  CSysApBatteryInfoController class declaration
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #ifndef SYSAPBATTERYINFOCONTROLLER_H
       
    20 #define SYSAPBATTERYINFOCONTROLLER_H
       
    21 
       
    22 #include <e32base.h>
       
    23 
       
    24 class CBSUtil;
       
    25 class CBatteryPopupControl;
       
    26 
       
    27 /**
       
    28  *  Controller for enhanced battery information.
       
    29  *
       
    30  *  @lib None.
       
    31  *  @since S60 5.0
       
    32  */
       
    33 class CSysApBatteryInfoController : public CBase
       
    34     {
       
    35 
       
    36     /**
       
    37     * States for battery information.
       
    38     */
       
    39     enum TBatteryInfoState
       
    40         {
       
    41         /**
       
    42         * Battery capacity is below defined threshold. 
       
    43         * The battery information is displayed every time when
       
    44         * the battery capacity decreases.
       
    45         */
       
    46         EBatteryInfoBelowThreshold,
       
    47         
       
    48         /**
       
    49         * Battery capacity is above defined threshold.
       
    50         * The battery information is not shown
       
    51         */
       
    52         EBatteryInfoAboveThreshold,
       
    53         
       
    54         /**
       
    55         * Battery status is low or empty.
       
    56         * The battery information is not shown.
       
    57         */
       
    58         EBatteryInfoStatusLow
       
    59         };
       
    60 
       
    61 public:    
       
    62     /**
       
    63     * Symbian two-phase controller.
       
    64     *
       
    65     * @since S60 5.0
       
    66     * @param aThreshold battery capacity percentage after which enhanced battery information
       
    67     *                   is displayed.
       
    68     */
       
    69     static CSysApBatteryInfoController* NewL( TInt aThreshold );
       
    70 
       
    71     /**
       
    72     * Destructor.
       
    73     */
       
    74     virtual ~CSysApBatteryInfoController();
       
    75 
       
    76     /**
       
    77      * Power menu has been displayed.
       
    78      * Displays the enhanced battery information.
       
    79      *
       
    80      * @since S60 5.0
       
    81      */
       
    82      void PowerMenuShownL();
       
    83      
       
    84      /**
       
    85      * Battery level indicator has been updated.
       
    86      * Displays the enhanced battery information if needed.
       
    87      *
       
    88      * @since S60 5.0
       
    89      */
       
    90      void BatteryLevelUpdatedL();
       
    91      
       
    92      /**
       
    93      * Battery status has been updated.
       
    94      * Stops displaying the battery information even if the battery level
       
    95      * is below the threshold value and continues to decrease.
       
    96      *
       
    97      * @since S60 5.0
       
    98      * @param aValue battery status
       
    99      *
       
   100      * @see KHWRMBatteryStatus
       
   101      */
       
   102      void BatteryStatusUpdated( const TInt aValue );
       
   103 
       
   104 private:
       
   105 
       
   106     /**
       
   107     * C++ default constructor.
       
   108     */
       
   109     CSysApBatteryInfoController();
       
   110 
       
   111     /**
       
   112     * Constructor.
       
   113     */
       
   114     CSysApBatteryInfoController( TInt aThreshold );
       
   115     
       
   116     /**
       
   117     * Symbian 2nd-phase constructor.
       
   118     */
       
   119     void ConstructL();
       
   120 
       
   121     /**
       
   122     * Displays the battery pane popup.
       
   123     */
       
   124     void ShowBatteryPreviewPopupL( TInt aCapacity );
       
   125 
       
   126 private: // data
       
   127     
       
   128     /**
       
   129     * Battery State utility.
       
   130     * Own.
       
   131     */
       
   132     CBSUtil* iBsUtil;
       
   133     
       
   134     /**
       
   135     * Battery capacity percentage which is currently shown.
       
   136     */
       
   137     TInt iCurrentCapacity;
       
   138     
       
   139     /**
       
   140     * Battery capacity percentage after which the enhanced battery 
       
   141     * information is shown for the first time.
       
   142     */
       
   143     TInt iThresholdCapacity;
       
   144     
       
   145     /**
       
   146     * Battery info state.
       
   147     */
       
   148     TBatteryInfoState iBatteryInfoState;
       
   149     
       
   150     /**
       
   151     * Battery popup control.
       
   152     * Own.
       
   153     */
       
   154     CBatteryPopupControl* iBatteryPopup;
       
   155     };
       
   156 
       
   157 
       
   158 #endif // SYSAPBATTERYINFOCONTROLLER_H