/*

* Copyright (c) 2010 Ixonos Plc.

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the "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:

* Ixonos Plc

*

* Description: 

*

*/

// INCLUDE FILES

#include    "JpegRotatorHelper.h"

#include    "JpegRotator.h"

#include    "ImageEditorUtils.h"

#include    <e32panic.h>

#include    <bautils.h>

#include    <ImageEditorProviderInternal.rsg>

//  debug log

#include <imageeditordebugutils.h>

_LIT(KEditorServiceProviderLogFile,"EditorServiceProvider.log");

// ================= MEMBER FUNCTIONS =======================

// ---------------------------------------------------------

// Default constructor

// 

// ---------------------------------------------------------

//

CJpegRotatorHelper::CJpegRotatorHelper(

	RFs& aFsSession, 

	MJpegRotatorHelperObserver& aObserver) :

	CActive (EPriorityIdle), 

	iFsSession (aFsSession), 

	iObserver (aObserver)

	{

	CActiveScheduler::Add(this);

	}

// ---------------------------------------------------------

// Destructor

// 

// ---------------------------------------------------------

//

CJpegRotatorHelper::~CJpegRotatorHelper()

	{

	Cancel();

	delete iJpegRotator;

	}

// ---------------------------------------------------------

// Rotate

// 

// ---------------------------------------------------------

//

void CJpegRotatorHelper::StartRotateL (

	const CDesCArray* aSourceFileList,

	CDesCArray* aTargetFileList,

	CJpegRotator::TRotationMode aMode,

	TBool aPreserveOriginalFiles )

	{

	LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::StartRotateL: In");

	__ASSERT_DEBUG(!IsActive(), User::Panic(_L("CJpegRotatorHelper"),EReqAlreadyActive));

	// ownership not taken

	iTargetFileList = aTargetFileList;

	iSourceFileList = aSourceFileList;

	iMode = aMode;

	iPreserveOriginalFiles = aPreserveOriginalFiles;

	// instantiate JpegRotator

	delete iJpegRotator;

	iJpegRotator = NULL;

	iJpegRotator = CJpegRotator::NewL( iFsSession );

	// Generate names for the rotated images

	for( TInt i = 0; i < iSourceFileList->MdcaCount(); i++ )

		{

		TPtrC source( iSourceFileList->MdcaPoint(i) );

		TFileName target;

		if (!aPreserveOriginalFiles)

			{

			LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::StartRotateL: Not preserve original files");

			// If we intend to replace the original file, the generated

			// file must be on the same drive.

			TInt drive;

			User::LeaveIfError( RFs::CharToDrive(source[0], drive) );

			if (EDriveC == drive)

				{

				User::LeaveIfError( ImageEditorUtils::GenerateNewDocumentNameL( iFsSession, source, target, NULL, iTargetFileList, ImageEditorUtils::ESelectPhone) );

				}

			else if (EDriveE == drive)

				{

				User::LeaveIfError( ImageEditorUtils::GenerateNewDocumentNameL( iFsSession, source, target, NULL, iTargetFileList, ImageEditorUtils::ESelectMmc) );

				}

			else

				{

				User::Leave(KErrArgument);

				}

			}

		else

			{

			LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::StartRotateL: Preserve original files");			

			User::LeaveIfError( ImageEditorUtils::GenerateNewDocumentNameL( iFsSession, source, target, NULL, iTargetFileList) );

			}

		iTargetFileList->AppendL( target );

		}

	// Start waiting for rotator completion

	iStatus = KRequestPending;

	SetActive();

	// Start rotating the first file

	LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::StartRotateL: Starting rotate...");

	iCounter = 0;

	iJpegRotator->RotateImageL (iStatus, iSourceFileList->MdcaPoint(iCounter), iTargetFileList->MdcaPoint(iCounter), aMode );

	// Launch wait dialog

	LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::StartRotateL: Launching wait note");

	iWaitDialog = new (ELeave) CAknWaitDialog (reinterpret_cast<CEikDialog**>(&iWaitDialog), ETrue );

	iWaitDialog->PrepareLC( R_PROVIDER_WAIT_DIALOG );

	iWaitDialog->SetCallback( this );

	iWaitDialog->RunLD();

	LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::StartRotateL: Out");

	}

// ---------------------------------------------------------

// CJpegRotatorHelper::FinalizeRotatedFileL

// 

// ---------------------------------------------------------

//

void CJpegRotatorHelper::FinalizeRotatedFileL( TInt aCurrentFileIndex )

	{

	LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::FinalizeRotatedFileL");

#ifdef FILE_TIME_STAMP_UPDATE

	// Set the timestamp of the saved file to original file's timestamp + 1 second.

	// The idea is to make the original and edited images appear next to each other.

	TEntry original;

	TInt err = iFsSession.Entry( iSourceFileList->MdcaPoint(aCurrentFileIndex), original );

	if (KErrNone == err)

		{

		TTime newTime = original.iModified;

		CFileMan* fileMan = CFileMan::NewL( iFsSession );

		CleanupStack::PushL (fileMan);

		fileMan->Attribs( iTargetFileList->MdcaPoint(aCurrentFileIndex), 0, 0, newTime ); // do not set or clear anything, mofify time 

		CleanupStack::PopAndDestroy (fileMan);

		}

#endif

	if (!iPreserveOriginalFiles)

		{

		LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::FinalizeRotatedFileL 2");

		// Delete the source file and rename the temporary 

		// target file to the source file name

		TFileName sourceFile( iSourceFileList->MdcaPoint(aCurrentFileIndex) );

		TInt err = BaflUtils::DeleteFile( iFsSession, sourceFile );

		err = BaflUtils::RenameFile (

			iFsSession, 

			iTargetFileList->MdcaPoint(aCurrentFileIndex),

			sourceFile );

		User::LeaveIfError( err );

		// Replace the file name in the target file list

		iTargetFileList->Delete(aCurrentFileIndex);

		iTargetFileList->InsertL(aCurrentFileIndex, sourceFile);

		}

	}

// ---------------------------------------------------------

// CJpegRotatorHelper::RunL

// 

// ---------------------------------------------------------

//

void CJpegRotatorHelper::RunL()

	{

    LOGFMT( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL (status: %d)", iStatus.Int());

	if( KErrNone == iStatus.Int() )

		{

		FinalizeRotatedFileL( iCounter );

		if( (iCounter + 1) < iSourceFileList->MdcaCount() )

			{

			// Start rotating the next file

			LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL: Starting rotate next...");

			iStatus = KRequestPending;

			SetActive();

			iCounter++;

			iJpegRotator->RotateImageL (iStatus, iSourceFileList->MdcaPoint(iCounter), iTargetFileList->MdcaPoint(iCounter), (CJpegRotator::TRotationMode)iMode );

			}

		else

			{

			// All files rotated. Finish operation.

			delete iJpegRotator;

			iJpegRotator = NULL;

			iTargetFileList = NULL;

			// Dismiss wait dialog

		    if (iWaitDialog)

				{

				LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL: deleting wait note" );

		        TRAP_IGNORE( iWaitDialog->ProcessFinishedL() );

				LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL: process finished" );

				delete iWaitDialog;

				LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL: dialog deleted" );

				iWaitDialog = NULL;

				}

			// Notify completion to observer

			iObserver.RotateOperationReadyL ( iStatus.Int() );

			}

		}

	else

		{

		// Try delete failed target file

		BaflUtils::DeleteFile( iFsSession, iTargetFileList->MdcaPoint(iCounter));

		delete iJpegRotator;

		iJpegRotator = NULL;

		iTargetFileList = NULL; // not owned

        // Dismiss wait dialog

	    if (iWaitDialog)

			{

			LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL: deleting wait note" );

	        TRAP_IGNORE( iWaitDialog->ProcessFinishedL() );

			LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL: process finished" );

			delete iWaitDialog;

			LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::RunL: dialog deleted" );

			iWaitDialog = NULL;

			}

		iObserver.RotateOperationReadyL ( iStatus.Int() );

		}

	}

// ----------------------------------------------------

// MProgressDialogCallBack

// 

// ----------------------------------------------------

//

void CJpegRotatorHelper::DialogDismissedL( TInt aButtonId )

	{

	LOGFMT(KEditorServiceProviderLogFile, "CJpegRotatorHelper::DialogDismissedL( %d )", aButtonId);

	if( EAknSoftkeyCancel == aButtonId )

		{

		Cancel();

		}

	}

// ---------------------------------------------------------

// CJpegRotatorHelper::DoCancel()

// 

// ---------------------------------------------------------

//

void CJpegRotatorHelper::DoCancel()

	{

	LOG( KEditorServiceProviderLogFile, "CJpegRotatorHelper::DoCancel");

	iJpegRotator->Cancel();

    // Try delete failed target file

	BaflUtils::DeleteFile( iFsSession, iTargetFileList->MdcaPoint(iCounter));

	if( KRequestPending == iStatus.Int() )

		{

		TRequestStatus* status = &iStatus;

		User::RequestComplete(status, KErrCancel);

		}

	}

// End of File