clock/clockengines/clocknitzplugin/src/clocknitzpluginimpl.cpp
changeset 18 c198609911f9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clock/clockengines/clocknitzplugin/src/clocknitzpluginimpl.cpp	Fri Apr 16 14:57:40 2010 +0300
@@ -0,0 +1,266 @@
+/*
+* Copyright (c) 2009 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:   The source file for the CClockNitzPluginImpl class.
+*
+*/
+
+// System includes
+#include <e32const.h>
+#include <e32base.h>
+
+// User includes
+#include "clocknitzplugin.h"
+#include "clocknitzpluginimpl.h"
+#include "clockpluginobserver.h"
+#include "clock_debug.h"
+
+// Constants
+const TInt KQuaterHour( 15 );
+const TInt KMinute( 60 );
+const TInt KTimeZoneValidBit( 0x3F );
+const TInt KTimeZoneSignBit( 0x80 );
+
+// ---------------------------------------------------------
+// CClockNitzPluginImpl::NewL
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+CClockNitzPluginImpl* CClockNitzPluginImpl::NewL( CClockNitzPlugin* aNitzPlugin )
+	{
+	__PRINTS( "CClockNitzPluginImpl::NewL - Entry" );
+	
+	CClockNitzPluginImpl* self = new ( ELeave ) CClockNitzPluginImpl( aNitzPlugin );
+	CleanupStack::PushL( self );
+	
+	self->ConstructL();
+	
+	CleanupStack::Pop();
+	
+	__PRINTS( "CClockNitzPluginImpl::NewL - Exit" );
+	
+	return self;
+	}
+	
+// ---------------------------------------------------------
+// CClockNitzPluginImpl::~CClockNitzPluginImpl
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+CClockNitzPluginImpl::~CClockNitzPluginImpl()
+	{
+	__PRINTS( "CClockNitzPluginImpl::~CClockNitzPluginImpl - Entry" );
+	
+	if( iNitzSrv )
+		{
+		iNitzSrv->Stop();
+		delete iNitzSrv;
+		}
+	
+	__PRINTS( "CClockNitzPluginImpl::~CClockNitzPluginImpl - Exit" );
+	}
+	
+// ---------------------------------------------------------
+// CClockNitzPluginImpl::CClockNitzPluginImpl
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+CClockNitzPluginImpl::CClockNitzPluginImpl( CClockNitzPlugin* aNitzPlugin )
+						                	: iNitzPlugin( aNitzPlugin )
+	{
+	__PRINTS( "CClockNitzPluginImpl::CClockNitzPluginImpl - Entry" );
+	
+	// No implementation yet.
+	
+	__PRINTS( "CClockNitzPluginImpl::CClockNitzPluginImpl - Exit" );
+	}
+	
+// ---------------------------------------------------------
+// CClockNitzPluginImpl::ConstructL
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+void CClockNitzPluginImpl::ConstructL()
+	{
+	__PRINTS( "CClockNitzPluginImpl::ConstructL - Entry" );
+	
+	// Construct the listener.
+	iNitzSrv = CClockNitzListener::NewL( this );
+	// Start the listener.
+	iNitzSrv->Start();
+	
+	__PRINTS( "CClockNitzPluginImpl::ConstructL - Exit" );
+	}
+	
+// ---------------------------------------------------------
+// CClockNitzPluginImpl::GetTimeInformationL
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+void CClockNitzPluginImpl::GetTimeInformationL( TInterfaceAttribute aInterfaceAttribute, 
+											  	STimeAttributes* aTimeAttributes )
+	{
+	__PRINTS( "CClockNitzPluginImpl::GetTimeInformationL - Entry" );
+	
+	__PRINT( "TInterfaceAttribute: %d", aInterfaceAttribute );
+	
+	if( !aTimeAttributes )
+	    {
+	    __PRINTS( "Time attributes holder is NULL" );
+	    
+	    return;
+	    }
+	
+	TInt timeZone( NULL );
+	
+	STimeAttributes* nitzData( aTimeAttributes );
+	
+	TInt retVal( KErrNone );
+	if( iNitzSrv )
+	    {
+	    // Get the NITZ information from the listener.
+	    retVal = iNitzSrv->GetCurrentNITZInfoL( iNitzInfo );
+	    }
+	
+	if( KErrNotFound == retVal )
+	    {
+	    __PRINTS( "Unable to get NITZ information" );
+	    
+	    return;
+	    }
+	
+	// Get the capabilities sent by the n/w.
+	TInt32 nitzCaps( iNitzInfo.iNitzFieldsUsed );
+	
+	switch( aInterfaceAttribute )
+		{
+		case EUTCTime:
+		    {
+			// Fetch UTC time.
+			if( nitzCaps & RMobilePhone::KCapsTimeAvailable )
+				{
+				// We have a valid time.
+				nitzData->iUtcDateTime.Set( iNitzInfo.Year(),
+		            	  					TMonth( iNitzInfo.Month() ),
+						  					iNitzInfo.Day(),
+							  				iNitzInfo.Hour(),
+							  				iNitzInfo.Minute(),
+							  				iNitzInfo.Second(),
+							  				iNitzInfo.MicroSecond() );
+				}
+			else
+				{
+				TTime invalidTime( -1 );
+				nitzData->iUtcDateTime = invalidTime.DateTime();
+				}
+		    }
+			break;
+			
+		case EDSTOffset:
+		    {
+			// Check if DST is available in the NITZ packet.
+			if( nitzCaps & RMobilePhone::KCapsDSTAvailable )
+				{
+				// DST is supported by the n/w.
+				nitzData->iDstOffset = iNitzInfo.iDST * KMinute;
+				}
+			else
+				{
+				// Reset the DST data.
+				nitzData->iDstOffset = TTimeIntervalMinutes( -1 );
+				}
+		    }
+			break;
+			
+		case ETZOffset:
+		    {
+			// Calculate std offset
+			// We only accept a NitzInfo with time and zone info. We are very picky
+		    if( nitzCaps & RMobilePhone::KCapsTimezoneAvailable )
+		    	{
+				timeZone = iNitzInfo.iTimeZone & KTimeZoneValidBit;
+
+	        	if( iNitzInfo.iTimeZone & KTimeZoneSignBit )
+	            	{
+	            	// Changes sign
+	            	timeZone = -timeZone;
+	            	}
+			
+				// Calculate standard UTC offset
+				nitzData->iTimeZoneOffset = timeZone * KQuaterHour;
+				
+				// Check if dst is available. If so, the standard offset above will already have
+				// DST offset included. We've to remove it. The following check tells if dst is
+				// available.
+				if( nitzCaps & RMobilePhone::KCapsDSTAvailable )
+					{
+					// Deduct the DST offset from the standard offset.
+					nitzData->iTimeZoneOffset = timeZone * KQuaterHour
+												- iNitzInfo.iDST * KMinute;
+					}
+		    	}
+		    else
+		    	{
+		    	// Invalid timezone. Reset the offset.
+				nitzData->iTimeZoneOffset = TTimeIntervalMinutes( -1 );
+		    	}
+		    }
+			break;
+			
+		default:
+		    {
+		    // No implementation yet.
+		    }
+			break;			
+		}
+	
+	__PRINTS( "CClockNitzPluginImpl::GetTimeInformationL - Exit" );
+	}
+
+// ---------------------------------------------------------
+// CClockNitzPluginImpl::NotifyOnNITZInfoChange
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//		
+void CClockNitzPluginImpl::NotifyOnNITZInfoChange( TInterfaceAttribute /*aInterfaceAttribute*/ )
+	{
+	__PRINTS( "CClockNitzPluginImpl::NotifyOnNITZInfoChange - Entry" );
+	
+	// Start the listener to get NITZ notifications.
+	if( iNitzSrv )
+	    {
+	    iNitzSrv->Start();
+	    }
+	
+	__PRINTS( "CClockNitzPluginImpl::NotifyOnNITZInfoChange - Exit" );
+	}
+
+// ---------------------------------------------------------
+// CClockNitzPluginImpl::NotifyNITZInfoChange
+// rest of the details are commented in the header
+// ---------------------------------------------------------
+//
+void CClockNitzPluginImpl::NotifyNITZInfoChangeL()
+	{
+	__PRINTS( "CClockNitzPluginImpl::NotifyNITZInfoChange - Entry" );
+	
+	// Notify the plugin that NITZ info has changed.
+	if( iNitzPlugin )
+	    {
+	    iNitzPlugin->NotifyNITZInfoChangeL();
+	    }
+	
+	__PRINTS( "CClockNitzPluginImpl::NotifyNITZInfoChange - Exit" );
+	}
+
+// End of file