1 /*

     2 * Copyright (c) 2006 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:  Class is used to find out from java is midlet foreground or not

    15 *

    16 */

    17 

    18 

    19 #ifndef CMMAFOREGROUND_H

    20 #define CMMAFOREGROUND_H

    21 

    22 #include <e32base.h>

    23 

    24 #include "mmmaeventposter.h"

    25 #include "cmmadeleterefevent.h"

    26 #include "cmmaforegroundevent.h"

    27 

    28 // xm-radio fix

    29 //#include "CMIDToolkit.h"

    30 //#include "lcdui.h"

    31 

    32 #include <coemain.h>

    33 #include <eikenv.h>

    34 

    35 //  CLASS DECLARATION

    36 /**

    37 *

    38 * Class is used to find out from java is midlet foreground or not

    39 */

    40 NONSHARABLE_CLASS(CMMAForeground) : public CBase/*, public MMIDEnvObserver, public MCoeForegroundObserver*/

    41 {

    42 public:

    43 

    44     /**

    45      * Creates and returns a new instance of this class.

    46      * @param aEventPoster for posting event to java side

    47      * @param aForegroundListener java side foreground object

    48      * @param aJavaMethod java side method id

    49      * @return New instance from this class.

    50      */

    51     static CMMAForeground* NewL(MMMAEventPoster* aEventPoster,

    52     jobject aForegroundListener,

    53     jmethodID aJavaMethod/*,

    54     CMIDToolkit* aToolkit*/); // xm-radio fix

    55     /**

    56      * Destructor.

    57      */

    58     ~CMMAForeground();

    59 

    60 protected:

    61 

    62     /**

    63      * C++ constructor

    64      */

    65     CMMAForeground();

    66 

    67     /**

    68      * Second phase constructor

    69      * @param aEventPoster for posting event to java side

    70      * @param aForegroundListener java side foreground object

    71      * @param aJavaMethod java side method id

    72      */

    73     void ConstructL(MMMAEventPoster* aEventPoster,

    74                     jobject aForegroundListener,

    75                     jmethodID aJavaMethod/*,

    76                     CMIDToolkit* aToolkit*/); // xm-radio fix

    77 

    78 public: // New methods

    79 

    80 

    81     /**

    82      * Tells is midlet foreground or not

    83      * @return boolean

    84      */

    85     TBool IsForeground();

    86 

    87     /**

    88      * Sets member boolean iIsForeground

    89      */

    90     void SetForeground(TBool aIsForeground);

    91 

    92 public: // from MMIDEnvObserver

    93 

    94   //  void HandleSwitchOnL(TBool /*aSwitchOn*/);

    95 

    96     /**

    97      * Handles the case when the MIDlet is brought to the foreground.

    98      */

    99   //  void HandleForegroundL(TBool /*aForeground*/);

   100 

   101     /**

   102      * Handles a change to resources which are shared accross the environment.

   103      */

   104    // void HandleResourceChangeL(TInt /*aType*/);

   105 

   106 public:

   107     /** Handles the application coming to the foreground. */

   108     void HandleGainingForeground();

   109 

   110     /** Handles the application going into the background. */

   111     void HandleLosingForeground();

   112 

   113 private: // Member data

   114 

   115     CActiveSchedulerWait* iActiveScheduler; // owned

   116     MMMAEventPoster* iEventPoster; // not owned

   117     CMMAForegroundEvent* iForegroundEvent; // owned

   118 

   119     //Event is used to destroy reference to associated java object,

   120     //when foreground is destroyed.

   121     CMMADeleteRefEvent* iDeleteRefEvent; // owned

   122 

   123     jobject iForegroundListener;

   124     jmethodID iJavaMethod;

   125 

   126     TBool iIsForeground;

   127     // xm-radio fix

   128     //CMIDToolkit* iToolkit;

   129     //MMIDEnv* iMidEnv;

   130 };

   131 

   132 #endif // CMMAFOREGROUND_H