1 /*

     2 * Copyright (c) 2006-2007 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:  Class is used to find out from java is midlet foreground or not

    15 *

    16 */

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include <e32std.h>

    22 

    23 #include "cmmaforeground.h"

    24 #include "cmmaforegroundevent.h"

    25 //  INCLUDE FILES

    26 #include <jdebug.h>

    27 

    28 // xm-radio fix

    29 #include "CMIDEnv.h"

    30 

    31 CMMAForeground* CMMAForeground::NewL(MMMAEventPoster* aEventPoster,

    32                                      jobject aForegroundListener,

    33                                      jmethodID aJavaMethod ,

    34                                      CMIDToolkit* aToolkit)

    35 {

    36     DEBUG("CMMAForeground::NewL + ");

    37     CMMAForeground* self = new(ELeave) CMMAForeground;

    38 

    39     CleanupStack::PushL(self);

    40     self->ConstructL(aEventPoster, aForegroundListener, aJavaMethod, aToolkit);

    41     CleanupStack::Pop();

    42 

    43     DEBUG("CMMAForeground::NewL - ");

    44     return self;

    45 }

    46 

    47 CMMAForeground::~CMMAForeground()

    48 {

    49     DEBUG("CMMAForeground::~CMMAForeground() + ");

    50     if (iMidEnv)

    51     {

    52         // unregister for getting the foreground change event

    53         DEBUG("CMMAForeground::~CMMAForeground() : iMidEnv RemoveObserver +");

    54         iMidEnv->RemoveObserver(*this);

    55         DEBUG("CMMAForeground::~CMMAForeground() : iMidEnv RemoveObserver -");

    56     }

    57 

    58     CEikonEnv* eikEnv = ((CEikonEnv*)CEikonEnv::Static());

    59 

    60     if (eikEnv)

    61     {

    62         DEBUG("CMMAForeground::~CMMAForeground() : eikEnv RemoveForegroundObserver +");

    63         eikEnv->RemoveForegroundObserver(*this);

    64         DEBUG("CMMAForeground::~CMMAForeground() : eikEnv RemoveForegroundObserver -");

    65     }

    66 

    67     if (iEventPoster && iDeleteRefEvent)

    68     {

    69         iEventPoster->PostEvent(iDeleteRefEvent);

    70     }

    71     else

    72     {

    73         delete iDeleteRefEvent;

    74     }

    75     delete iForegroundEvent;

    76     delete iActiveScheduler;

    77     DEBUG("CMMAForeground::~CMMAForeground() - ");

    78 }

    79 

    80 CMMAForeground::CMMAForeground()

    81         : iIsForeground(ETrue) // Initialize IsForeground to true, we might have already missed the event (HandleForegroundL), events before observer registration

    82 {

    83 }

    84 

    85 void CMMAForeground::ConstructL(MMMAEventPoster* aEventPoster,

    86                                 jobject aForegroundListener,

    87                                 jmethodID aJavaMethod ,

    88                                 CMIDToolkit* aToolkit) // xm-radio fix

    89 {

    90     DEBUG_INT("CMMAForeground::ConstructL + ISFOREGROUND = %d",iIsForeground);

    91 

    92     iActiveScheduler = new(ELeave) CActiveSchedulerWait();

    93     iEventPoster = aEventPoster;

    94     iForegroundListener = aForegroundListener;

    95     iJavaMethod = aJavaMethod;

    96 

    97     iForegroundEvent = new(ELeave) CMMAForegroundEvent(

    98         aForegroundListener,

    99         aJavaMethod,

   100         CMMAEvent::EReusableEvent);

   101     iDeleteRefEvent = new(ELeave) CMMADeleteRefEvent(aForegroundListener);

   102 

   103     // xm-radio fix

   104     iToolkit = aToolkit;

   105 

   106     if (iToolkit)

   107     {

   108         DEBUG("CMMAForeground::ConstructL : iToolkit->Env(); +");

   109         iMidEnv = iToolkit->Env();

   110         DEBUG("CMMAForeground::ConstructL : iToolkit->Env(); -");

   111     }

   112 

   113     if (iMidEnv)

   114     {

   115         DEBUG("CMMAForeground::ConstructL : iMidEnv->AddObserverL + ");

   116         // register for getting the foreground change event

   117         iMidEnv->AddObserverL(*this);

   118         DEBUG("CMMAForeground::ConstructL : iMidEnv->AddObserverL - ");

   119     }

   120 

   121     CEikonEnv* eikEnv = ((CEikonEnv*)CEikonEnv::Static());

   122 

   123     if (eikEnv)

   124     {

   125         DEBUG("CMMAForeground::ConstructL - eikAppUi->AddForegroundObserverL() + ");

   126         eikEnv->AddForegroundObserverL(*this);

   127         DEBUG("CMMAForeground::ConstructL - eikAppUi->AddForegroundObserverL() - ");

   128     }

   129 

   130     DEBUG("CMMAForeground::ConstructL - ");

   131 }

   132 

   133 TBool CMMAForeground::IsForeground()

   134 {

   135     DEBUG_INT2("THREADID = %d : CMMAForeground::IsForeground : ISFOREGROUND = %d",RThread().Id(),iIsForeground);

   136     return iIsForeground;

   137 }

   138 

   139 void CMMAForeground::SetForeground(TBool aIsForeground)

   140 {

   141     iIsForeground = aIsForeground;

   142     DEBUG_INT("CMMAForeground::SetForeground - ISFOREGROUND = %d",iIsForeground);

   143 }

   144 

   145 // Implement MMIDEnvObserver

   146 

   147 void CMMAForeground::HandleSwitchOnL(TBool /*aSwitchOn*/)

   148 {

   149     // Dummy implementation, no intent to do anything

   150 }

   151 

   152 /**

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

   154  */

   155 void CMMAForeground::HandleForegroundL(TBool aForeground)

   156 {

   157     DEBUG_INT("CMMAForeground::HandleForegroundL %d", aForeground);

   158     iIsForeground = aForeground;

   159 }

   160 

   161 /**

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

   163  */

   164 void CMMAForeground::HandleResourceChangeL(TInt /*aType*/)

   165 {

   166     // Dummy implementation, no intent to do anything

   167 }

   168 

   169 // Handles the application coming to the foreground.

   170 void CMMAForeground::HandleGainingForeground()

   171 {

   172     iIsForeground = ETrue;

   173 }

   174 

   175 // Handles the application going into the background.

   176 void CMMAForeground::HandleLosingForeground()

   177 {

   178     iIsForeground = EFalse;

   179 }

   180 //  End of File