/*

* Copyright (c) 2008-2009 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: 

* DbHelper - Interfaces for accessing details from the database.

*

*/

/**

 @file 

 @released

 @internalTechnology

*/

#ifndef DBHELPER_H

#define DBHELPER_H

#pragma warning(disable: 4786)

#include <string>

#include <vector>

#include "symbiantypes.h"

class CDbProcessor;

class SisRegistryObject;

class SisRegistryToken;

class SisRegistryPackage;

class FileDescription;

class CStatement;

class SisRegistryDependency;

class Version;

class SisRegistryProperty;

class TrustStatus;

class ControllerInfo;

class DbHelper

	{

	public:

		DbHelper( const std::wstring& aDrivePath, bool aIsSystemDrive);

		TBool IsInstalled(TInt32 aUid) const;

		bool InternalizeIfExists(SisRegistryObject& aSisRegistryObject, const TUint32 aUid ) const;

		bool GetIsRemovable( TInt32 aComponentId ) const;

		bool GetInRom( TInt32 aComponentId ) const;

		std::wstring GetPackageName( TInt32 aComponentId ) const;

		TUint32 GetUid( TInt32 aComponentId ) const;

		TUint32 GetInstallType( TInt32 aComponentId ) const;

		void RemoveEntry( TInt32 aComponentId ) const;

		int GetSelectedDrive( TInt32 aComponentId );

		std::vector<FileDescription*> GetFileDescriptions( TInt32 aComponentId ) const;

		bool SidExists(const TUint32 aSid) const;

		TUint32 GetUid(const TUint32 aSid) const;

		std::wstring SidToFileName(TUint32 aSid) const;

		TUint32 GetUid( const std::wstring& aSidFile ) const;

		TInt32 GetComponentId(TInt32 aUid, const std::wstring aPackageName, const std::wstring aVendorName ) const;

		TInt32 GetComponentId(TInt32 aUid, TInt32 aInstallType ) const;

		TInt32 GetComponentId( TInt32 aUid ) const;

		std::vector<TInt32> GetComponentIdList( TInt32 aUid ) const;

		TInt GetIndex( TInt32 aComponentId) const;

		TUint32 GetUidFromFileName( const std::wstring& aFileName ) const;

		TInt GetIndex( TUint32 aPackageUid) const;

	private:

		TInt32 GetComponentPropertyIntValue( TInt32 aComponentId, std::wstring aComponentPropertyName, TInt32 aDefaultValue = DbHelper::Absent ) const;

		TInt32 GetComponentPropertyIntFormattedValue(TInt32 aComponentId, std::wstring aComponentPropertyName, TInt32 aIntFormatter) const;

		std::wstring GetComponentPropertyStrValue(TInt32 aComponentId, std::wstring aComponentPropertyName, TInt32 aIntFormatter) const;

		std::wstring GetComponentPropertyStrValue(TInt32 aComponentId, std::wstring aComponentPropertyName) const;

		void GetComponentDetails( TInt32 aComponentId, SisRegistryObject& aSisRegistryObject ) const;

		void GetComponentLocalizables( TInt32 aComponentId, SisRegistryObject& aSisRegistryObject ) const;

		void GetFileDescriptions( TInt32 aComponentId, SisRegistryObject& aSisRegistryObject ) const;

		void GetFileDescriptionFromComponentProperties( int aComponentId, std::vector<FileDescription*>& aFileDescriptions) const;

		void GetFileDescriptionFromFileProperties( int aComponentId, std::vector<FileDescription*>& aFileDescriptions) const;

		void GetComponentProperties( TInt32 aComponentId, SisRegistryObject& aSisRegistryObject ) const;

		std::vector<SisRegistryDependency*> GetDependencies( TInt32 aComponentId ) const;

		std::vector<SisRegistryPackage*> DbHelper::GetEmbeddedPackages( TInt32 aComponentId ) const;

		std::vector<SisRegistryProperty*> GetProperties( TInt32 aComponentId ) const;

		TrustStatus GetTrustStatus( TInt32 aComponentId ) const;

		std::vector<TInt> GetInstallChainIndices( TInt32 aComponentId ) const;

		std::vector<TUint32> GetSids( TInt32 aComponentId ) const;

		std::vector<ControllerInfo*> GetControllerInfo( TInt32 aComponentId ) const;

	private:

		// other helper methods

		std::wstring FormatDbString(std::wstring aString, int aValue) const;

		void AddFileDescription(CStatement* aStatement, FileDescription& aFileDescription, TInt aCount ) const;

		Version FormatStringToVersion(std::wstring aVersionStr) const;

	private:

		CDbProcessor* iScrDbHandler;

	public:

		const static int Absent;

	};

#endif // DBHELPER_H