/*

* Copyright (c) 2006-2009 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: 

*

*/

#ifndef	INSTALLER_H

#define	INSTALLER_H

#include <vector>

#include <map>

#include "symbiantypes.h"

#include "installablefile.h"

#include "parameterlist.h"

#include "sisregistrydependency.h"

#include "expressionevaluator.h"

class SisRegistry;

class SisRegistryObject;

class CSISContents;

class SisFile;

class CSISFileDescription;

class CSISFileData;

class RomManager;

class ConfigManager;

/**

* @file INSTALLER.H

*

* @internalComponent

* @released

*/

class Installer

	{

public:

	typedef std::map<std::wstring, std::vector<SisRegistryDependency> > MissingDeps;

	Installer( SisRegistry& aReg, const CParameterList& aParamList, RomManager& aRomManager, ConfigManager& aConfigManager );

	TInt Install(const CParameterList::SISFileList& aList);

	TInt Install(const InstallSISFile& aFile);

	const MissingDeps& GetMissing() const

	{ return iMissing; }

	const SisRegistry& GetSisRegistry() const

	{ return iRegistry; }

private:

	typedef std::vector<std::wstring> Filenames;

	void SanitiseSISFileAttributes(const InstallSISFile& aInstallSISFile);

	void UninstallPkg(const SisFile& aSis); // Uninstall the same package (if found)

											// prior to installation

	bool DependenciesOk(const SisFile& aFile);			// Check to see if the sis file

														// meets it's dependencies

	bool IsValidUpgrade(const SisFile& aFile, bool aSUFlag, bool aNonRemovable);	// Check to see if this is a valid upgrade

																	// to the existing packages

	void ValidateRegistry(const SisFile& aFile, TUint32 aPckgUid, TUint32 aInstallFlags, bool aRUFlag, bool aNonRemovable);

	void InitializeRegistryDetails	( const TUint32 aPckgUid, bool& aIsBaseRemovable, bool& aInRom, bool& aIsPreInstalled, TUint32& aUid, std::wstring& aPackageName );

	bool GetInstallableFiles(

		const SisFile& aFile, InstallableFiles& aList, ExpressionEvaluator& aEvaluator, int aInstallingDrive);

	void InstallFiles(const InstallableFiles& aList, const int aInstallDrive);	// Retrieves the list of files

														// to install from the sis file

	static void Install(const InstallableFile& aFile);

	void UpdateRegistry(const SisFile& aFile, const InstallableFiles& aInstalled, // Update the registry entries for

		const InstallSISFile& aInstallSISFile, const bool aSUFlag);	// PU sis files

	const SisRegistryObject& AddRegistry(const SisFile& aFile,	// Create the registry entries for

		const InstallableFiles& aInstalled, const bool aSUFlag);	// the installed sis file

	bool CheckDependency(const CSISDependency* aDep);	

	void CheckDestinations(const SisFile& aFile, InstallableFiles& aFiles,

							const InstallSISFile& aInstallSISFile);	// Ensure installable files do not

																	// break platsec rules

	void CheckEmbedded(const SisFile& aFile);

	void SetupExpressionEnvironment( const SisFile& aFile,

                                     const SisRegistry& aSisRegistry,

                                     RomManager& aRomManager );

	void CreateStubSisFile(const InstallSISFile& aInstallSISFile, SisFile& aSis);

	// Eclipsing check methods

	void PrepareEclipsableFilesList(const SisFile& aSis);

	bool IsValidEclipsingUpgrade(const SisFile& aSis, const SisRegistryObject& registryEntry);

	bool ValidEclipse(const SisFile& aFile, const std::wstring& target, const InstallableFile& aInstallableFile, bool aSUFlag);

	void HandleFileOverwriting(const SisFile& aFile, const std::wstring& target, bool aSUFlag);

	bool IsEclipsable(std::wstring& aRomFile, bool aSUFlag);

	void FilterNonBlockingFilesOfFilename(const SisFile& aFile, const std::wstring& target);

	void WarnEclipseOverWrite(const SisFile& aFile);

	// Adorned methods

	void AdornedProcessingOfFile(const std::wstring& aTarget, std::wstring& aUnadornedName, 

										std::list<std::wstring>& aAdornedFileNamesFound);

	friend struct CheckDependencyMet;

	friend struct InstallFile;

private:

	SisRegistry& iRegistry;		// The current sis registry

	const CParameterList& iParamList;	// options or parameters

	MissingDeps iMissing;		// List of missing dependencies

	ExpressionEnvironment* iExpressionEnvironment;	// Expresssion Environment for conditional statement

	ExpressionEvaluator* iExpressionEvaluator;		// Expression Evaluator

    RomManager& iRomManager;

    ConfigManager& iConfigManager;

	// list of potential blocking files which will prevent the SIS file from installing

	std::list<std::wstring> iEclipsableOverwriteFiles;

	// list of ROM files which are allowed to be eclipsed by the installing SIS file upgrade

	std::list<std::wstring> iEclipsableRomFiles;

	std::wstring iProblemFiles;

	ErrorCodes iError;

	};

#endif	/* INSTALLER_H */