TB10.1 Example Applications: examples/Base/FeatMngrExample/FeatureChecker/src/FeatureChecker.cpp Source File

00001 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
-00002 // All rights reserved.
-00003 // This component and the accompanying materials are made available
-00004 // under the terms of "Eclipse Public License v1.0"
-00005 // which accompanies this distribution, and is available
-00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
-00007 //
-00008 // Initial Contributors:
-00009 // Nokia Corporation - initial contribution.
-00010 //
-00011 // Contributors:
-00012 //
-00013 // Description:
-00014 //
-00015 
-00016 #include "FeatureChecker.h"
-00017 #include <e32cons.h>
-00018 
-00019 void CFeatureChecker::ConstructL()
-00020         {
-00021         iFeatNotifier = CFeatureNotifier::NewL(*this);
-00022         }
-00023 
-00024 CFeatureChecker* CFeatureChecker::NewL()
-00025         {
-00026         CFeatureChecker* self=new(ELeave)CFeatureChecker();
-00027         CleanupStack::PushL(self);
-00028         self->ConstructL();
-00029         CleanupStack::Pop(self);
-00030         return self;
-00031         }
-00032 
-00036 CFeatureChecker::~CFeatureChecker()
-00037         {
-00038         delete iFeatNotifier;
-00039         }
-00040 
-00044 void CFeatureChecker::NotifyFeatureL()
-00045         {
-00046         RFeatureUidArray featArray;
-00047         CleanupClosePushL(featArray);
-00048         TUid uidFeature;
-00049 
-00050         //Number of feature UIDs which are subscribed to for notification.
-00051         const TInt KNumFeaturesforNotification(10);
-00052 
-00053         //Base feature UID for which notification requests are made. This is the same UID range which 
-00054         //the user can use when adding features to the FeatMngrExample process.
-00055         TUid KFeatureUidforNotification = {0x12000000};
-00056         
-00057         //Append the UIDs to featArray.
-00058         for( int k=0; k<=KNumFeaturesforNotification; k++)
-00059                 {
-00060                 uidFeature.iUid = KFeatureUidforNotification.iUid + k;
-00061                 featArray.Append(uidFeature);
-00062                 }
-00063         
-00064         //Request notification for user defined features.
-00065         User::LeaveIfError(iFeatNotifier->NotifyRequest(featArray));
-00066         CleanupStack::PopAndDestroy(&featArray);
-00067         }
-00068 
-00072 void CFeatureChecker::HandleNotifyError(TInt /*err*/)
-00073         {
-00074         }
-00075 
-00081 void CFeatureChecker::HandleNotifyChange(TFeatureChangeType aType, TFeatureEntry /*aFeature*/)
-00082         {
-00083         const TInt KFeatureChangeTypeMaxSize(45);
-00084         TBuf<KFeatureChangeTypeMaxSize> changetype;
-00085         switch(aType)
-00086                 {
-00087                 case EFeatureNoChange: 
-00088                         _LIT(KNoChange, "Feature status not changed");
-00089                         changetype.Copy(KNoChange);
-00090                         break;
-00091                 case EFeatureStatusUpdated :
-00092                         _LIT(KStatusUpdated, "Feature status changed to enabled or disabled");
-00093                         changetype.Copy(KStatusUpdated);
-00094                         break;
-00095                 case EFeatureDataUpdated: 
-00096                         _LIT(KDataUpdated, "Feature data changed");
-00097                         changetype.Copy(KDataUpdated);
-00098                         break;
-00099                 case EFeatureStatusDataUpdated: 
-00100                         //not used in the current version.
-00101                         _LIT(KStatusDataUpdated, "Feature status and data changed");
-00102                         changetype.Copy(KStatusDataUpdated);
-00103                         break;
-00104                 case EFeatureRediscover: 
-00105                         //not used in the current version.
-00106                         _LIT(KFeatureRediscover, "Complex change occurred, reload all features");
-00107                         changetype.Copy(KFeatureRediscover);
-00108                         break;
-00109                 case EFeatureFeatureCreated:
-00110                         _LIT(KFeatureCreated, "New feature has been added to the system");
-00111                         changetype.Copy(KFeatureCreated);
-00112                         break;
-00113                 case EFeatureFeatureDeleted: 
-00114                         _LIT(KFeatureDeleted, "Feature has been deleted");
-00115                         changetype.Copy(KFeatureDeleted);
-00116                         break;
-00117                 }
-00118         //Print the change type as an infoprint.
-00119         User::InfoPrint(changetype);
-00120         }
-00121 
-00126 static void MainL()
-00127         {
-00128         CActiveScheduler* scheduler = new (ELeave) CActiveScheduler();
-00129         CleanupStack::PushL(scheduler);
-00130         CActiveScheduler::Install(scheduler);
-00131         
-00132         CFeatureChecker* featChecker = CFeatureChecker::NewL();
-00133         CleanupStack::PushL(featChecker);
-00134         //Issue feature change notification request.
-00135         featChecker->NotifyFeatureL();
-00136         CActiveScheduler::Start();
-00137         
-00138         CleanupStack::PopAndDestroy(featChecker);
-00139         CleanupStack::PopAndDestroy(scheduler);
-00140         }
-00141 
-00142 extern TInt E32Main()
-00143         {
-00144         // Create cleanup stack
-00145         __UHEAP_MARK;
-00146         CTrapCleanup* cleanup = CTrapCleanup::New();
-00147         if(cleanup == NULL)
-00148                 {
-00149                 return KErrNoMemory;
-00150                 }
-00151         // Run application code inside TRAP harness.
-00152         TRAPD(mainError, MainL());
-00153         if(mainError != KErrNone)
-00154                 {
-00155                 _LIT(KUserPanic,"Failed to complete");  
-00156                 User::Panic(KUserPanic, mainError);
-00157                 }
-00158         delete cleanup;
-00159         __UHEAP_MARKEND;
-00160         return KErrNone;
-00161         }
-