--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/locationmapnavfw/library/src/mnproviderfinder.cpp Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,198 @@
+/*
+* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: MnProviderFinder class implementation
+*
+*/
+
+
+#include <e32base.h>
+#include <apgcli.h>
+
+#include "mnappserviceuids.hrh"
+
+#include "mnproviderimpl.h"
+#include "mnproviderfinder.h"
+
+#include "mndebug.h"
+
+// ======== LOCAL FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Cleanup item for RPointerArray<CMnProviderImpl>
+// ---------------------------------------------------------------------------
+//
+void CleanupPointerArray(TAny* aArray)
+ {
+ ( static_cast<RPointerArray<CMnProviderImpl>*>( aArray ) )->ResetAndDestroy();
+ }
+
+// ---------------------------------------------------------------------------
+// Finds service UID for given CMnProvider::TService
+// ---------------------------------------------------------------------------
+//
+TUid ServiceUid( CMnProvider::TService aService )
+ {
+ switch ( aService )
+ {
+ case CMnProvider::EServiceMapView:
+ return TUid::Uid( KMnAppMapViewService );
+
+ case CMnProvider::EServiceNavigation:
+ return TUid::Uid( KMnAppNavigationService );
+
+ case CMnProvider::EServiceGeocoding:
+ return TUid::Uid( KMnAppGeocodingService );
+
+ case CMnProvider::EServiceMapImage:
+ return TUid::Uid( KMnAppMapImageService );
+
+ default:
+ return TUid::Uid( 0 );
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// Finds provider in given list by UID
+// ---------------------------------------------------------------------------
+//
+TInt FindProviderByUid( TUid aAppUid, RPointerArray<CMnProvider>& aProviders )
+ {
+ for (TInt i = 0; i < aProviders.Count(); i++)
+ {
+ if ( aProviders[i]->Uid().iUid == aAppUid.iUid )
+ return i;
+ }
+ return KErrNotFound;
+ }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+void FindAllServiceProvidersL(
+ RPointerArray<CMnProvider>& aProviders,
+ CMnProvider::TServices aServices )
+ {
+ LOG("FindAllServiceProvidersL in");
+
+ RApaLsSession apa;
+ User::LeaveIfError( apa.Connect() );
+ CleanupClosePushL( apa );
+
+ Swi::RSisRegistrySession sis;
+ User::LeaveIfError( sis.Connect() );
+ CleanupClosePushL( sis );
+
+ const CMnProvider::TService KKnownServices[] =
+ {
+ CMnProvider::EServiceMapView,
+ CMnProvider::EServiceNavigation,
+ CMnProvider::EServiceGeocoding,
+ CMnProvider::EServiceMapImage
+ };
+ const TInt KNumKnownServices = sizeof( KKnownServices ) / sizeof ( CMnProvider::TService );
+
+ // find all providers for known services
+ for ( TInt i = 0; i < KNumKnownServices; i++ )
+ {
+ // but consider only required services
+ if ( aServices & KKnownServices[i] )
+ {
+ TInt err = apa.GetServerApps( ServiceUid( KKnownServices[i] ) );
+ while ( !err )
+ {
+ TApaAppInfo app;
+ err = apa.GetNextApp(app);
+ if ( !err )
+ {
+ // add this app to the list, if not added yet
+ TInt index = FindProviderByUid( app.iUid, aProviders );
+ if ( index == KErrNotFound )
+ {
+ // add new provider to the list
+ LOG2("found new provider candidate uid{%08X}, name{%S}",
+ app.iUid.iUid, &app.iFullName);
+
+ // find all data about this provider
+ CMnProviderImpl* provider = NULL;
+ TRAP( err, provider = CMnProviderImpl::NewL( app.iUid, apa, sis ) );
+ if ( !err )
+ {
+ if ( provider->IsTrusted() )
+ {
+ CleanupStack::PushL( provider );
+ aProviders.AppendL( provider );
+ CleanupStack::Pop( provider );
+ }
+ else
+ {
+ delete provider;
+ LOG1("untrusted provider uid{%X}", app.iUid.iUid);
+ }
+ }
+ else
+ {
+ // skip provider if cannot be constructed
+ LOG2("construction failed for uid{%X}, error %d", app.iUid.iUid, err);
+ }
+ }
+ }
+ }
+ }
+ }
+
+ CleanupStack::PopAndDestroy( &sis );
+ CleanupStack::PopAndDestroy( &apa );
+
+ LOG("FindAllServiceProvidersL out");
+ }
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void MnProviderFinder::FindProvidersL(
+ RPointerArray<CMnProvider>& aProviders)
+ {
+ CMnProvider::TServices allServices =
+ CMnProvider::EServiceMapView |
+ CMnProvider::EServiceNavigation |
+ CMnProvider::EServiceGeocoding |
+ CMnProvider::EServiceMapImage;
+
+ FindAllServiceProvidersL( aProviders, allServices );
+ }
+
+// ---------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void MnProviderFinder::FindProvidersL(
+ RPointerArray<CMnProvider>& aProviders,
+ CMnProvider::TServices aRequiredServices)
+ {
+ FindAllServiceProvidersL( aProviders, aRequiredServices );
+
+ // verify that providers meet service support requirements
+ for ( TInt i = aProviders.Count() - 1; i >= 0; i-- )
+ {
+ CMnProvider* provider = aProviders[i];
+
+ if ( ( provider->SupportedServices() & aRequiredServices ) != aRequiredServices )
+ {
+ aProviders.Remove( i );
+ delete provider;
+ }
+ }
+ }
+