1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/persistentdata/featuremgmt/featuremgr/src/clientdll/featurenotifier.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,332 @@
1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +//
1.18 +
1.19 +
1.20 +
1.21 +// INCLUDE FILES
1.22 +#include <featmgr/featurenotifier.h>
1.23 +#include "featmgrdebug.h"
1.24 +#include <featmgr/featurecmn.h>
1.25 +#include "featmgrclient.h"
1.26 +
1.27 +// ============================= LOCAL FUNCTIONS ===============================
1.28 +
1.29 +// -----------------------------------------------------------------------------
1.30 +// FindByUid
1.31 +// Returns Zero if UIDs do match.
1.32 +// -----------------------------------------------------------------------------
1.33 +//
1.34 +static TInt FindByUid( const TUid* aFeature, const TUid& aItem )
1.35 + {
1.36 + if ( aFeature->iUid == aItem.iUid )
1.37 + {
1.38 + return 1;
1.39 + }
1.40 +
1.41 + return 0;
1.42 + }
1.43 +
1.44 +
1.45 +// ============================ MEMBER FUNCTIONS ===============================
1.46 +
1.47 +// -----------------------------------------------------------------------------
1.48 +// CFeatureNotifier::CFeatureNotifier()
1.49 +// -----------------------------------------------------------------------------
1.50 +//
1.51 +CFeatureNotifier::CFeatureNotifier( MFeatureObserver& aObserver ) :
1.52 + CActive( EPriorityStandard ),
1.53 + iObserver( aObserver )
1.54 + {
1.55 + }
1.56 +
1.57 +// -----------------------------------------------------------------------------
1.58 +// CFeatureNotifier::NewL()
1.59 +// Two-phased constructor.
1.60 +// -----------------------------------------------------------------------------
1.61 +//
1.62 +EXPORT_C CFeatureNotifier* CFeatureNotifier::NewL( MFeatureObserver& aObserver )
1.63 + {
1.64 + CFeatureNotifier* self = new( ELeave ) CFeatureNotifier( aObserver );
1.65 + CleanupStack::PushL( self );
1.66 + self->ConstructL();
1.67 + CleanupStack::Pop( self );
1.68 + return self;
1.69 + }
1.70 +
1.71 +// -----------------------------------------------------------------------------
1.72 +// CFeatureNotifier::ConstructL
1.73 +// -----------------------------------------------------------------------------
1.74 +//
1.75 +void CFeatureNotifier::ConstructL()
1.76 + {
1.77 + FUNC_LOG
1.78 +
1.79 + iFeatMgrClient = new (ELeave) RFeatMgrClient;
1.80 + // Connect to Feature Manager server
1.81 + TInt err( iFeatMgrClient->Connect() );
1.82 + if (err!=KErrNone)
1.83 + {
1.84 + delete iFeatMgrClient;
1.85 + iFeatMgrClient=NULL;
1.86 + }
1.87 + User::LeaveIfError(err);
1.88 +
1.89 + CActiveScheduler::Add( this );
1.90 + }
1.91 +
1.92 +// -----------------------------------------------------------------------------
1.93 +// CFeatureNotifier::~CFeatureNotifier()
1.94 +// -----------------------------------------------------------------------------
1.95 +//
1.96 +EXPORT_C CFeatureNotifier::~CFeatureNotifier()
1.97 + {
1.98 + FUNC_LOG
1.99 +
1.100 + if( iFeatMgrClient )
1.101 + {
1.102 + iFeatMgrClient->RequestNotifyCancelAll();
1.103 + iFeatMgrClient->Close();
1.104 + delete iFeatMgrClient;
1.105 + }
1.106 + Cancel();
1.107 +
1.108 + iFeatures.Close();
1.109 + }
1.110 +
1.111 +// -----------------------------------------------------------------------------
1.112 +// CFeatureNotifier::NotifyRequest(TUid)
1.113 +// -----------------------------------------------------------------------------
1.114 +//
1.115 +EXPORT_C TInt CFeatureNotifier::NotifyRequest( TUid aFeature )
1.116 + {
1.117 + if(IsActive())
1.118 + {
1.119 + return KErrAlreadyExists;
1.120 + }
1.121 +
1.122 + iFeatures.Reset();
1.123 + TInt err=iFeatures.Append( aFeature );
1.124 + if (err!=KErrNone)
1.125 + {
1.126 + return err;
1.127 + }
1.128 + err = iFeatMgrClient->RequestNotification( iFeatures, iFeatureChanged, iStatus );
1.129 + if ( err == KErrNone )
1.130 + {
1.131 + SetActive();
1.132 + }
1.133 + else
1.134 + {
1.135 + iFeatures.Reset();
1.136 + }
1.137 +
1.138 + return err;
1.139 + }
1.140 +
1.141 +// -----------------------------------------------------------------------------
1.142 +// CFeatureNotifier::NotifyRequest(RFeatureUidArray&)
1.143 +// -----------------------------------------------------------------------------
1.144 +//
1.145 +EXPORT_C TInt CFeatureNotifier::NotifyRequest( RFeatureUidArray& aFeatures )
1.146 + {
1.147 + if(IsActive())
1.148 + {
1.149 + return KErrAlreadyExists;
1.150 + }
1.151 +
1.152 + iFeatures.Reset();
1.153 + TInt count = aFeatures.Count();
1.154 + TInt err=KErrNone;
1.155 + for(TInt i = 0; i < count; i++ )
1.156 + {
1.157 + // Do not append duplicate entries
1.158 + const TUid& uid( aFeatures[i] );
1.159 + TInt index = iFeatures.Find( uid, FindByUid );
1.160 + if( index == KErrNotFound )
1.161 + {
1.162 + err=iFeatures.Append( uid );
1.163 + if (err!=KErrNone)
1.164 + {
1.165 + iFeatures.Reset();
1.166 + return err;
1.167 + }
1.168 + }
1.169 + }
1.170 +
1.171 + err = iFeatMgrClient->RequestNotification( iFeatures, iFeatureChanged, iStatus );
1.172 + if ( err == KErrNone )
1.173 + {
1.174 + SetActive();
1.175 + }
1.176 + else
1.177 + {
1.178 + iFeatures.Reset();
1.179 + }
1.180 + return err;
1.181 + }
1.182 +
1.183 +// -----------------------------------------------------------------------------
1.184 +// CFeatureNotifier::NotifyCancel(TUid aFeature)
1.185 +// -----------------------------------------------------------------------------
1.186 +//
1.187 +EXPORT_C TInt CFeatureNotifier::NotifyCancel( TUid aFeature )
1.188 + {
1.189 + TInt err( KErrNotFound );
1.190 + TInt count = iFeatures.Count();
1.191 +
1.192 + for(TInt i = 0; i < count; i++ )
1.193 + {
1.194 + if( iFeatures[i].iUid == aFeature.iUid )
1.195 + {
1.196 + err = iFeatMgrClient->RequestNotifyCancel( aFeature );
1.197 +
1.198 + if( err == KErrNone )
1.199 + {
1.200 + iFeatures.Remove( i );
1.201 + // If this is the last feature in the list, then also cancel the Active Object
1.202 + if( 0 == iFeatures.Count() )
1.203 + {
1.204 + Cancel();
1.205 + }
1.206 + break;
1.207 + }
1.208 + }
1.209 + }
1.210 +
1.211 + return err;
1.212 + }
1.213 +
1.214 +// -----------------------------------------------------------------------------
1.215 +// CFeatureNotifier::NotifyCancelAll()
1.216 +// -----------------------------------------------------------------------------
1.217 +//
1.218 +EXPORT_C TInt CFeatureNotifier::NotifyCancelAll()
1.219 + {
1.220 + iFeatures.Reset();
1.221 + TInt err = iFeatMgrClient->RequestNotifyCancelAll( );
1.222 + Cancel();
1.223 +
1.224 + return err;
1.225 + }
1.226 +
1.227 +/**
1.228 + Gets the number of features in the server's array.
1.229 + This API is only for internal use and testing purposes.
1.230 +
1.231 + @return The number of features on the server for debug builds, otherwise it returns KErrNotSupported in release builds.
1.232 + @internalComponent
1.233 +*/
1.234 +EXPORT_C TInt CFeatureNotifier::NumberOfNotifyFeatures()
1.235 + {
1.236 +#ifdef EXTENDED_FEATURE_MANAGER_TEST
1.237 + TInt count = iFeatMgrClient->NumberOfNotifyFeatures();
1.238 + return count;
1.239 +#else
1.240 + return KErrNotSupported;
1.241 +#endif
1.242 + }
1.243 +
1.244 +/**
1.245 + Gets the number of heap cells in the thread.
1.246 + This API is only for internal use and testing purposes.
1.247 +
1.248 + @return The number of heap cells for debug build, otherwise it returns KErrNotSupported in release builds.
1.249 + @internalComponent
1.250 +*/
1.251 +EXPORT_C TInt CFeatureNotifier::CountAllocCells()
1.252 + {
1.253 +#ifdef EXTENDED_FEATURE_MANAGER_TEST
1.254 + TInt count = iFeatMgrClient->CountAllocCells();
1.255 + return count;
1.256 +#else
1.257 + return KErrNotSupported;
1.258 +#endif
1.259 + }
1.260 +
1.261 +// -----------------------------------------------------------------------------
1.262 +// CFeatureNotifier::RunL()
1.263 +// -----------------------------------------------------------------------------
1.264 +//
1.265 +void CFeatureNotifier::RunL( )
1.266 + {
1.267 + FUNC_LOG
1.268 +
1.269 + TInt status = iStatus.Int();
1.270 + if( status < 0 )
1.271 + {
1.272 + // Got an error
1.273 + if( status != KErrCancel )
1.274 + {
1.275 + iObserver.HandleNotifyError( status );
1.276 + }
1.277 + return;
1.278 + }
1.279 +
1.280 + // iStatus >= 0 means it contains the change type
1.281 + TFeatureChangeType changeType = static_cast<TFeatureChangeType>(status);
1.282 +
1.283 + // If the feature was deleted, remove it from the array of features with notifications requested
1.284 + if( changeType == EFeatureFeatureDeleted )
1.285 + {
1.286 + TInt index = iFeatures.Find( iFeatureChanged, FindByUid );
1.287 + if( index != KErrNotFound )
1.288 + {
1.289 + iFeatures.Remove( index );
1.290 + }
1.291 + }
1.292 + // Should we validate whether iFeatureChanged matches
1.293 + // to any UID in the array of requested features?
1.294 +
1.295 + TFeatureEntry feature( iFeatureChanged );
1.296 + if( iFeatures.Count() > 0 )
1.297 + {
1.298 + // Asynchronously resubscribe notify request
1.299 + iFeatMgrClient->ReRequestNotification( iFeatureChanged, iStatus );
1.300 + // Next inform client about changed feature
1.301 + // Should we validate whether iFeatureChanged matches
1.302 + // to any UID in the array of requested features
1.303 + iObserver.HandleNotifyChange( changeType, feature );
1.304 + // Set us active
1.305 + SetActive();
1.306 + }
1.307 + else
1.308 + {
1.309 + // All features with notifications requested were deleted,
1.310 + // so don't need to resubscribe notify request -
1.311 + // just notify client about the deleted feature
1.312 + iObserver.HandleNotifyChange( changeType, feature );
1.313 + }
1.314 + }
1.315 +
1.316 +// -----------------------------------------------------------------------------
1.317 +// CFeatureNotifier::DoCancel()
1.318 +// -----------------------------------------------------------------------------
1.319 +//
1.320 +void CFeatureNotifier::DoCancel( )
1.321 + {
1.322 + }
1.323 +
1.324 +// -----------------------------------------------------------------------------
1.325 +// CFeatureNotifier::RunError()
1.326 +// -----------------------------------------------------------------------------
1.327 +//
1.328 +TInt CFeatureNotifier::RunError( TInt aError )
1.329 + {
1.330 + iObserver.HandleNotifyError( aError );
1.331 +
1.332 + return KErrNone;
1.333 + }
1.334 +
1.335 +// End of File