sapi_landmarks/landmarksservice/src/clandmarkmanagehandlers.cpp
changeset 0 14df0fbfcc4e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sapi_landmarks/landmarksservice/src/clandmarkmanagehandlers.cpp	Mon Mar 30 12:51:10 2009 +0300
@@ -0,0 +1,251 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  CLandmarkManageHandlers class implementation
+ *
+*/
+
+
+#include <epos_cposlandmarkdatabase.h>
+#include <epos_cposlmcategorymanager.h>
+#include <epos_cposlandmarksearch.h>
+#include <epos_TposLmDatabaseSettings.h>
+#include "clandmarkmanagehandlers.h"
+
+//class CLandmarkManageHandlers
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CLandmarkManageHandlers::NewL()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkManageHandlers* CLandmarkManageHandlers::NewL( )
+	{
+	CLandmarkManageHandlers* self = new (ELeave) CLandmarkManageHandlers();
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkManageHandlers::CLandmarkManageHandlers()
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CLandmarkManageHandlers::CLandmarkManageHandlers( )
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkManageHandlers::~CLandmarkManageHandlers()
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkManageHandlers::~CLandmarkManageHandlers( )
+	{
+	iHandlers.ResetAndDestroy ( );
+	iHandlers.Close();
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkManageHandlers::CloseHandler( CLandmarkHandler* aHandler )
+// Closes the passed CLandmarkHandler handle and removes it from the array.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkManageHandlers::CloseHandler( CLandmarkHandler* aHandler )
+	{
+	TInt index = iHandlers.Find (aHandler );
+	if ( index != KErrNotFound )
+		{
+		delete iHandlers[index];
+		iHandlers[index] = NULL;
+		iHandlers.Remove (index );
+		}
+	}
+// -----------------------------------------------------------------------------
+// CLandmarkManageHandlers::CreateHandlerL(TDesC & aDatabaseUri)
+// Creates and Returns the handle of CLandmarkHandler instance.
+// -----------------------------------------------------------------------------
+//
+CLandmarkHandler* CLandmarkManageHandlers::CreateHandlerL(
+		const TDesC& aDatabaseUri )
+	{
+	//create a database handle and append to the array.
+	CLandmarkHandler* handler = CLandmarkHandler::CreateL (aDatabaseUri );
+	CleanupStack::PushL (handler );
+	iHandlers.AppendL (handler );
+	CleanupStack::Pop (handler );
+	//if there is no default handler then set default as device default
+	if( !iDefaultHandler && aDatabaseUri == KNullDesC )
+		{
+		iDefaultHandler = handler;
+		}
+	return handler;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkManageHandlers::GetHandlerL(TDesC & aDatabaseUri)
+// Returns the handle of CLandmarkHandler instance.
+// -----------------------------------------------------------------------------
+//
+CLandmarkHandler* CLandmarkManageHandlers::GetHandlerL(const TDesC& aDatabaseUri )
+	{
+	_LIT(KDriveSeparatorSymbol, ":");
+	_LIT(KDefaultDriveLocal, "c");
+	_LIT(KProtocolSeparatorLocal, "://");
+	_LIT(KLocalProtocolString, "file");
+
+	CLandmarkHandler* handler=  NULL;
+	//if aDatabaseUri is KNullDesC then return the default handler
+	if ( aDatabaseUri == KNullDesC )
+		{
+		if ( iDefaultHandler )
+			{
+			iDefaultHandler->InitL ( );
+			}
+		handler = iDefaultHandler;
+		}
+	//else compare the passed URI with the stored handle's URI
+	else
+		{
+		//Simple parsing. Have to implement better parsing
+		TBuf<KPosLmDatabaseName> dbName;
+		TInt offset = aDatabaseUri.Find (KProtocolSeparatorLocal );
+		if ( KErrNotFound == offset )
+			{
+			dbName.Copy (KLocalProtocolString );
+			dbName.Append (KProtocolSeparatorLocal );
+			}
+		if ( aDatabaseUri.Find (KDriveSeparatorSymbol )<= offset )
+			{
+			dbName.Append (KDefaultDriveLocal );
+			dbName.Append (KDriveSeparatorSymbol );
+			}
+		//Check for Length < KPosLmDatabaseName
+		if ( (aDatabaseUri.Length() + dbName.Length()) > KPosLmDatabaseName )
+			{
+			User::Leave ( KErrBadName );
+			}
+		//create the complete db uri
+		dbName.Append (aDatabaseUri );
+		//normalize to lower
+		dbName.LowerCase ( );
+		TInt count = iHandlers.Count ( );
+		TPtrC dbUri;
+		while ( count )
+			{
+			//Retrieve the handles from end
+			handler = iHandlers[--count];
+			handler->GetDatabaseUri (dbUri );
+			if ( dbUri == dbName )
+				{
+				handler->InitL ( );
+				break;
+				}
+			//if no handle found then NULL
+			handler = NULL;
+			}
+		}
+	return handler;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkManageHandlers::SetDefaultHandler(CLandmarkHandler* aHandler)
+// Sets the default handler.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkManageHandlers::SetDefaultHandler( CLandmarkHandler* aHandler )
+	{
+	iDefaultHandler = aHandler;
+	}
+
+//Class CLandmarkHandler
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CLandmarkHandler::CreateL( TDesC & aDatabaseUri )
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkHandler* CLandmarkHandler::CreateL( const TDesC& aDatabaseUri )
+	{
+	CLandmarkHandler* self = new (ELeave) CLandmarkHandler();
+	CleanupStack::PushL ( self );
+	self->ConstructL (aDatabaseUri );
+	CleanupStack::Pop ( self );
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkHandler::ConstructL( TDesC & aDatabaseUri )
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkHandler::ConstructL( const TDesC& aDatabaseUri )
+	{
+	//Open default database or the database requested depending on paramater aDatabaseUri
+	if ( aDatabaseUri != KNullDesC )
+		{
+		iLandmarkDatabaseHandle = CPosLandmarkDatabase::OpenL (aDatabaseUri );
+		}
+	else
+		{
+		iLandmarkDatabaseHandle = CPosLandmarkDatabase::OpenL ( );
+		}
+	iDatabaseUri = iLandmarkDatabaseHandle->DatabaseUriLC ( );
+	CleanupStack::Pop (iDatabaseUri );
+	//Normalize to lower
+	iDatabaseUri->Des().LowerCase ( );
+	//initialize the database for further opertaions on the database.
+	ExecuteAndDeleteLD (iLandmarkDatabaseHandle->InitializeL ( ) );
+	//Create other handles with respect to the open database
+	iLmCategoryManagerHandle = CPosLmCategoryManager::NewL (*iLandmarkDatabaseHandle );
+	iLandmarkSearchHandle = CPosLandmarkSearch::NewL (*iLandmarkDatabaseHandle );
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkHandler::CLandmarkHandler()
+// C++ default constructor can NOT contain any code, that might leave.
+// -----------------------------------------------------------------------------
+//
+CLandmarkHandler::CLandmarkHandler( )
+	{
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkHandler::~CLandmarkHandler()
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CLandmarkHandler::~CLandmarkHandler( )
+	{
+	delete iLandmarkSearchHandle;
+	delete iLmCategoryManagerHandle;
+	delete iLandmarkDatabaseHandle;
+	delete iDatabaseUri;
+	}
+
+// -----------------------------------------------------------------------------
+// CLandmarkHandler::InitL()
+// Initialize the databse if required.
+// -----------------------------------------------------------------------------
+//
+void CLandmarkHandler::InitL( )
+	{
+	if (iLandmarkDatabaseHandle->IsInitializingNeeded ( ) )
+		{
+		//Initialize the database for further opertaions on the database.
+		ExecuteAndDeleteLD (iLandmarkDatabaseHandle->InitializeL ( ) );
+		}
+	}
+
+// End of File