/*

* Copyright (c) 2004-2009 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: 

*

*/

#include <s32mem.h>

#include <caf/caf.h>

#include <bautils.h>

#include "sishelperclient.h"

#include "log.h"

using namespace Swi;

//

// RSisHelper

//

EXPORT_C TInt RSisHelper::Connect()

	{

	return CreateSession(KSisHelperServerName, 

		TVersion(KSisHelperVersionMajor, 

			KSisHelperVersionMinor, 

			KSisHelperVersionBuild));

	}

EXPORT_C void RSisHelper::Close()

	{

	RSessionBase::Close();

	}

// Request SISController data from SISHelper

EXPORT_C HBufC8* RSisHelper::SisControllerLC()

	{

	// Allocate a buffer

	const TInt KDefaultControllerBuffer=1024; // 1KB

	HBufC8* controllerData=HBufC8::NewMaxLC(KDefaultControllerBuffer);

	TPtr8 des=controllerData->Des();

	TInt err=SendReceive(ESisHelperGetController, TIpcArgs(&des));

	if (err == KErrOverflow)

		{

		// is there enough space for an integer?

		if(des.Length() != sizeof(TInt))

		   {

			User::Leave(KErrCorrupt);				

		   }

		// Get needed size

		TInt neededSize=0;

		TPckg<TInt> neededSizePackage(neededSize);

		neededSizePackage.Copy(des);

		// Re-allocate buffer

		CleanupStack::PopAndDestroy(controllerData);

		controllerData=HBufC8::NewMaxLC(neededSize);

		TPtr8 neededDes=controllerData->Des();

		// Rerequest

		err=SendReceive(ESisHelperGetController, TIpcArgs(&neededDes));

		}

	User::LeaveIfError(err);

	return controllerData;

	}

EXPORT_C TInt RSisHelper::ExtractFileL(RFs& /*aFs*/, RFile& aFile, TInt aFileIndex,

	TInt aDataUnit, RUiHandler& /*aUiHandler*/)

	{		

	TIpcArgs args;

	aFile.TransferToServer(args, 0, 1);

	args.Set(2, aFileIndex);

	args.Set(3, aDataUnit);

	return SendReceive(ESisHelperExtractFile, args);

	}

void RSisHelper::SetupAsyncExtractionL(RFs& aFs, RFile& aFile, TInt aFileIndex,TInt aDataUnit)

	{

	User::LeaveIfError(SendReceive(ESisHelperSetupAsyncExtraction, TIpcArgs(aFs, aFile.SubSessionHandle(), aFileIndex, aDataUnit)));

	}

void RSisHelper::AsyncExtractionL(TInt64 length, TRequestStatus& aStatus)

	{

	SendReceive(ESisHelperAsyncExtraction, TIpcArgs(I64HIGH(length), I64LOW(length)), aStatus);

	}

void RSisHelper::EndAsyncExtractionL()

	{

	User::LeaveIfError(SendReceive(ESisHelperEndAsyncExtraction, TIpcArgs()));

	}

EXPORT_C void RSisHelper::FillDrivesAndSpacesL(RArray<TChar>& aDriveLetters, 

	RArray<TInt64>& aDriveSpaces)

	{

	// calculate the likely size of the data transfer buffer

	const TInt KMaxBufSize=

		sizeof(TInt)+                 // number of entries

		KMaxDrives*sizeof(TUint)+  // drive letters stored as TUints

		KMaxDrives*sizeof(TInt64); // drive free spaces

	// allocate buffer for the returned arrays

	HBufC8* buf=HBufC8::NewMaxLC(KMaxBufSize);

	TPtr8 pBuf=buf->Des();

	User::LeaveIfError(SendReceive(ESisHelperFillDrivesAndSpaces, 

		TIpcArgs(&pBuf)));

	// got the buffer, internalise the arrays

	RDesReadStream ins(*buf);

	CleanupClosePushL(ins);

	// first comes the number of entries (TInt)

	TInt count=ins.ReadInt32L();

	// then drive letters

	TInt i;

	for (i = 0; i < count; ++i)

		{

		TUint chVal=ins.ReadUint32L();

		TChar ch(chVal);

		aDriveLetters.AppendL(ch);

		}

	// then drive spaces

	for (i = 0; i < count; ++i)

		{

		TInt32 l=ins.ReadInt32L();

		TInt32 h=ins.ReadInt32L();

		TInt64 space=MAKE_TINT64(h, l);

		aDriveSpaces.AppendL(space);

		}

	// cleanup

	CleanupStack::PopAndDestroy(2, buf); // ins, buf

	}

EXPORT_C void RSisHelper::OpenDrmContentL(ContentAccess::TIntent aIntent)

	{

	TInt intent = static_cast<TInt>(aIntent);

	User::LeaveIfError(SendReceive(ESisHelperOpenDrmContent, TIpcArgs(intent)));

	}

EXPORT_C void RSisHelper::ExecuteDrmIntentL(ContentAccess::TIntent aIntent)

	{

	TInt intent = static_cast<TInt>(aIntent);

	User::LeaveIfError(SendReceive(ESisHelperExecuteDrmIntent, TIpcArgs(intent)));

	}

TInt RSisHelper::CreateSisStub(RFile& aFile)

	{

	TIpcArgs ipcArgs;

	aFile.TransferToServer(ipcArgs, 0, 1);

	return SendReceive(ESisHelperCreateSisStub, ipcArgs);

	}

TBool RSisHelper::IsStubL()

	{

	TBool stub = EFalse;

	TPckg<TBool> stubPckg(stub);

	User::LeaveIfError(SendReceive(ESisHelperIsStub, TIpcArgs(&stubPckg)));

	return stub;

	}

TChar RSisHelper::GetSisFileDriveL()

	{

	TChar drive(0);

	TPckg<TChar> drivePckg(drive);

	User::LeaveIfError(SendReceive(ESisHelperGetSisFileDrive, TIpcArgs(&drivePckg)));

	return drive;

	}

TBool RSisHelper::IsSisFileReadOnlyL()

	{

	TBool readOnly = EFalse;

	TPckg<TBool> readOnlyPckg(readOnly);

	User::LeaveIfError(SendReceive(ESisHelperIsSisFileReadOnly, TIpcArgs(&readOnlyPckg)));

	return readOnly;

	}

// Request SIS file name from SISHelper

void RSisHelper::GetSisFileNameL(TDes& aFileName)

	{

	TInt err = SendReceive(ESisHelperGetSisFileName, TIpcArgs(&aFileName));

	User::LeaveIfError(err);

	}

// Retrieve Controller from the specified SIS file

EXPORT_C HBufC8* RSisHelper::GetControllerFromSisFileLC(const TDesC& aFileName)

	{

	// Open the file and pass the handle securely to SisHelper since

	// it does not have the capability to read files from private folders

	// of other processes

	RFs fs;

	User::LeaveIfError(fs.Connect());

	CleanupClosePushL(fs);

	User::LeaveIfError(fs.ShareProtected());

	RFile file;

	User::LeaveIfError(file.Open(fs, aFileName, EFileRead | EFileShareReadersOnly));

	CleanupClosePushL(file);

	// Allocate a buffer

	const TInt KDefaultControllerBuffer = 1024; // 1KB

	HBufC8* controllerData = HBufC8::NewMaxLC(KDefaultControllerBuffer);

	TPtr8 ptr(controllerData->Des());

	// Store the RFs handle in message slot 1 and the RFile handle in slot 2

	TIpcArgs ipcArgs;

	User::LeaveIfError(file.TransferToServer(ipcArgs, 1, 2));

	ipcArgs.Set(0, &ptr);

	TInt err = SendReceive(ESisHelperGetControllerFromSis, ipcArgs);

	if (err == KErrOverflow)

		{

		// is there enough space for an integer?

		if(ptr.Length() != sizeof(TInt))

		   {

			User::Leave(KErrCorrupt);				

		   }

		// Get needed size

		TInt neededSize = 0;

		TPckg<TInt> neededSizePackage(neededSize);

		neededSizePackage.Copy(ptr);

		// Re-allocate buffer

		CleanupStack::PopAndDestroy(controllerData);

		controllerData = HBufC8::NewMaxLC(neededSize);

		TPtr8 neededPtr(controllerData->Des());

		// Rerequest

		User::LeaveIfError(file.TransferToServer(ipcArgs, 1, 2));

		ipcArgs.Set(0, &neededPtr);

		err = SendReceive(ESisHelperGetControllerFromSis, ipcArgs);

		}

	User::LeaveIfError(err);

	CleanupStack::Pop(controllerData);

	CleanupStack::PopAndDestroy(2, &fs);

	CleanupStack::PushL(controllerData);

	return controllerData;

	}

#ifdef SYMBIAN_UNIVERSAL_INSTALL_FRAMEWORK

TBool RSisHelper::IsDrmProtectedL()

	{

	TPckgBuf<TBool> isContentProtected;

	TInt returnCode = SendReceive(ESisHelperIsDrmProtected, TIpcArgs(&isContentProtected));

	User::LeaveIfError(returnCode);

	return isContentProtected();

	}

#endif

void RSisHelper::GetEquivalentLanguageListL(TLanguage aLangId,RArray<TLanguage>& aEquivLangs)

	{

	// calculate the likely size of the data transfer buffer

	const TInt KMaxBufSize=

		sizeof(TInt)+                 // number of entries

		(KMaxDowngradeLanguages+1)*sizeof(TLanguage);  // Languages IDs stored as TLanguage

	// allocate buffer for the returned arrays

	HBufC8* buf=HBufC8::NewMaxLC(KMaxBufSize);

	TPtr8 pBuf=buf->Des();

	User::LeaveIfError(SendReceive(ESisHelperGetEquivalentLanguages, 

		TIpcArgs(&pBuf,aLangId)));

	// got the buffer, internalise the arrays

	RDesReadStream ins(*buf);

	CleanupClosePushL(ins);

	// first comes the number of entries (TInt)

	TInt count=ins.ReadInt32L();

	// then language ID's

	TInt i;

	for (i = 0; i < count; ++i)

		{

		TLanguage langId=(TLanguage)ins.ReadInt32L();

		aEquivLangs.AppendL(langId);

		}

	// cleanup

	CleanupStack::PopAndDestroy(2, buf); // buf

	}