/*

* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  A class that represents a single item in a burst capture

*

* Copyright © 2007-2008 Nokia.  All rights reserved.

*  This material, including documentation and any related computer

*  programs, is protected by copyright controlled by Nokia.  All

*  rights are reserved.  Copying, including reproducing, storing,

*  adapting or translating, any or all of this material requires the

*  prior written consent of Nokia.  This material also contains

*  confidential information which may not be disclosed to others

*  without the prior written consent of Nokia.

*

*

*/

// INCLUDE FILES

#include <fbs.h>

#include <eikenv.h>

#include <barsread.h>

#include <AknUtils.h>

#include <cameraapp.rsg>

#include <vgacamsettings.rsg>

#include "CamBurstCaptureArray.h"

#include "CamImageSaveActive.h"

#include "CamPanic.h"

#include "camlogging.h"

// CONSTANTS

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

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

// CCamBurstCaptureItem::NewLC

// Two-phased constructor.

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

//

CCamBurstCaptureArray::CCamBurstCaptureItem* CCamBurstCaptureArray::CCamBurstCaptureItem::NewLC()

    {

    CCamBurstCaptureItem* self = new( ELeave ) CCamBurstCaptureItem();

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// CCamBurstCaptureItem destructor

// 

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

//

CCamBurstCaptureArray::CCamBurstCaptureItem::~CCamBurstCaptureItem()

  {

  PRINT( _L("Camera => ~CCamBurstCaptureItem") );

  delete iFileName;

  delete iImageName;

  delete iSnapshot;

  PRINT( _L("Camera <= ~CCamBurstCaptureItem") );

  }

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

// CCamBurstCaptureItem::SetNameL

// Sets the item's full file path and image name

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

//

void CCamBurstCaptureArray::CCamBurstCaptureItem::SetNameL( const TDesC& aFullFileName, 

                                    const TDesC& aImageName )

    {

    delete iFileName;

    iFileName = NULL;

    delete iImageName;

    iImageName = NULL;

    iFileName = aFullFileName.AllocL();

    iImageName = aImageName.AllocL();

    }

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

// CCamBurstCaptureItem::SetSnapshotL

// Stores the snapshot bitmap in the item

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

//

void CCamBurstCaptureArray::CCamBurstCaptureItem::SetSnapshotL( const CFbsBitmap& aSnapshot ) 

    {

    delete iSnapshot;

    iSnapshot = NULL;

    // Create bitmap

    iSnapshot = new( ELeave ) CFbsBitmap();

    TInt createError = iSnapshot->Duplicate( aSnapshot.Handle() );

    if ( createError )

        {

        delete iSnapshot;

        iSnapshot = NULL;

        }

    User::LeaveIfError( createError );

    }

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

// CCamBurstCaptureItem::SetDeleted

// Sets the item's deletion state

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

//

void CCamBurstCaptureArray::CCamBurstCaptureItem::SetDeleted( TBool aDeleted ) 

    {

    iIsDeleted = aDeleted;

    }

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

// CCamBurstCaptureItem::FileName

// Return a pointer to the full file path and name

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

//

const TDesC& CCamBurstCaptureArray::CCamBurstCaptureItem::FileName() const

    {

    if( !iFileName )

      {

      return KNullDesC;

      }

    return *iFileName;

    }

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

// CCamBurstCaptureItem::ImageName

// Return a pointer to the image name

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

//

const TDesC& CCamBurstCaptureArray::CCamBurstCaptureItem::ImageName() const

    {

    if( !iImageName )

        {

        return KNullDesC;

        }

    return *iImageName;

    }

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

// CCamCaptureSetupListItem::Bitmap

// Return a pointer to the bitmap

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

//

const CFbsBitmap* CCamBurstCaptureArray::CCamBurstCaptureItem::Snapshot() const

    {

    return iSnapshot;

    }

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

// CCamBurstCaptureItem::IsDeleted

// Whether or not the item has been marked for deletion

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

//

TBool CCamBurstCaptureArray::CCamBurstCaptureItem::IsDeleted() const

    {

    return iIsDeleted;

    }

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

// CCamBurstCaptureArray::CCamBurstCaptureItem::ReplaceSnapshot

// Replaces the bitmap.

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

// 

TBool CCamBurstCaptureArray::CCamBurstCaptureItem::ReplaceSnapshot( 

    const CFbsBitmap* aBitmap )

    {

    if( !iSnapshot )

        {

        TRAPD( err, iSnapshot = new( ELeave ) CFbsBitmap() );

        if( err )

            {

            return EFalse;

            }

        }

    if ( iSnapshot->Duplicate( aBitmap->Handle() ) )

        {

        return EFalse;

        }

    return ETrue;

    } 

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

// CCamBurstCaptureItem::CCamBurstCaptureItem

// C++ constructor

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

//

CCamBurstCaptureArray::CCamBurstCaptureItem::CCamBurstCaptureItem()

    {

    }

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

// CCamBurstCaptureItem::ConstructL

// Second phase construction

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

//

void CCamBurstCaptureArray::CCamBurstCaptureItem::ConstructL()

    {

    }

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

// CCamBurstCaptureArray::NewLC

// Two-phased constructor.

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

//

CCamBurstCaptureArray* CCamBurstCaptureArray::NewL( CCamImageSaveActive& aImageSaveActive )

    {

    CCamBurstCaptureArray* self = new( ELeave ) CCamBurstCaptureArray( aImageSaveActive );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CCamBurstCaptureArray destructor

// 

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

//

CCamBurstCaptureArray::~CCamBurstCaptureArray()

    {

    iBurstItems.ResetAndDestroy();

    iBurstItems.Close();

    }

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

// CCamBurstCaptureArray::SetNameL

// Sets an item's full file path and image name

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

//

void CCamBurstCaptureArray::SetNameL( const TDesC& aFullFileName, 

    const TDesC& aImageName, TInt aIndex )

    {

    PRINT1( _L("Camera => CCamBurstCaptureArray::SetNameL, name:[%S]"), &aFullFileName );  

    iBurstItems[aIndex]->SetNameL( aFullFileName, aImageName );

    PRINT( _L("Camera <= CCamBurstCaptureArray::SetNameL") );

    }

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

// CCamBurstCaptureArray::AlreadySavedFile

// Returns whether a particular file has already been saved.

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

//

TBool CCamBurstCaptureArray::AlreadySavedFile( const TDesC& aFilename )

    {

    return iImageSaveActive.AlreadySavedFile( aFilename );

    }

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

// CCamBurstCaptureArray::CurrentlySavingFile

// Returns whether a particular file is in the process of being saved.

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

//

TBool CCamBurstCaptureArray::CurrentlySavingFile( const TDesC& aFilename )

    {

    return iImageSaveActive.CurrentlySavingFile( aFilename );

    }

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

// CCamBurstCaptureArray::Count

// Return the number of items in the array

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

//

TInt CCamBurstCaptureArray::Count() const

    {

    return iBurstItems.Count();

    }

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

// CCamBurstCaptureArray::Reset

// Delete unwanted items from the array

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

//

void CCamBurstCaptureArray::Reset( TInt aRequiredCount )

    {

    PRINT1( _L("Camera => CCamBurstCaptureArray::Reset(%d)"), aRequiredCount );

    TInt count = iBurstItems.Count();

    // if the current count is less than the required count

    if ( aRequiredCount >= count )

        {

        return;

        }

    // if the required count is 0 or less, empty the array

    if ( aRequiredCount <= 0 )

        {

        iBurstItems.ResetAndDestroy();

        iNextSetName = 0;

        iNextGetName = 0;

        iNextSnapshot = 0;

        iImagesRemaining = 0;

        }

    // otherwise delete the unwanted items

    else

        {

        TInt index;

        // repeat for every extra item

        for ( index = count - 1; index >= aRequiredCount; index-- )

            {

            CCamBurstCaptureItem* item = iBurstItems[index];

            if ( !item->IsDeleted() )

                {

                iImagesRemaining--;

                }

            iBurstItems.Remove( index );

            delete item;

            }

        // reset the accessing indexes if necessary

        count = iBurstItems.Count();

        iNextSetName = Min( iNextSetName, count );

        iNextSnapshot = Min( iNextSnapshot, count );

        }

    User::Heap().Compress();    

    PRINT( _L("Camera <= CCamBurstCaptureArray::Reset") );

    }

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

// CCamBurstCaptureArray::SetNextNameL

// Set the item's full file path and image name

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

// 

void CCamBurstCaptureArray::SetNextNameL( const TDesC& aFullFileName, const TDesC& aImageName )

    {

    PRINT1( _L("Camera => CCamBurstCaptureArray::SetNextNameL, name:[%S]"), &aFullFileName );

    CheckArraySizeL( iNextSetName );

    iBurstItems[iNextSetName]->SetNameL( aFullFileName, aImageName );

    iNextSetName++;

    PRINT( _L("Camera <= CCamBurstCaptureArray::SetNextNameL") );

    }

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

// CCamBurstCaptureArray::SetNextSnapshotL

// Stores the snapshot bitmap in the item

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

//  

void CCamBurstCaptureArray::SetNextSnapshotL( const CFbsBitmap& aSnapshot )

    {

    PRINT( _L("Camera => CCamBurstCaptureArray::SetNextSnapshotL") );

    CheckArraySizeL( iNextSnapshot );

    TInt nextIndex = iNextSnapshot;

    iNextSnapshot++;

    iBurstItems[nextIndex]->SetSnapshotL( aSnapshot );

    PRINT( _L("Camera <= CCamBurstCaptureArray::SetNextSnapshotL") );

    }

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

// CCamBurstCaptureArray::SetDeleted

// Sets the items deletion state

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

//   

TInt CCamBurstCaptureArray::SetDeleted( TInt aItemIndex, TBool aDeleted )

    {

    PRINT2( _L("Camera => CCamBurstCaptureArray::SetDeleted( index:%d, deleted:%d )"), aItemIndex, aDeleted );

    TInt ret = KErrNone;

    __ASSERT_DEBUG( aItemIndex < Count() && aItemIndex >= 0,

        CamPanic( ECamPanicBadIndex ) );

    if ( aDeleted == iBurstItems[aItemIndex]->IsDeleted() )

        {

        PRINT( _L("Camera <= CCamBurstCaptureArray::SetDeleted A") );

        return ret;

        }

    if ( aDeleted )

        {

        //iImagesRemaining--;

        TInt saveRequested = EFalse;

        // if the image save has already been requested

        if ( aItemIndex < iNextGetName )

            {

            saveRequested = ETrue;

            }

        iImageSaveActive.CancelThumbnail( aItemIndex );

        ret = iImageSaveActive.DeleteFile( iBurstItems[aItemIndex]->FileName(), saveRequested );

        PRINT1( _L("Camera <> CCamBurstCaptureArray::SetDeleted iImageSaveActive.DeleteFile() returned %d" ), ret );

        if ( ret == KErrInUse ) 

          {

          User::After( 700000 );

          ret = iImageSaveActive.DeleteFile( iBurstItems[aItemIndex]->FileName(), saveRequested );

          PRINT1( _L("Camera <> CCamBurstCaptureArray::SetDeleted iImageSaveActive.DeleteFile() Retry Delete returned %d" ), ret );

          }

        // file might have already been deleted and that's ok so ignore -NotFound errors

        if( ret == KErrNone || ret == KErrNotFound || ret == KErrPathNotFound )

            {

            iImagesRemaining--;

            }

        }

    else

        {

        iImagesRemaining++;

        }

    if( ret == KErrNone || ret == KErrNotFound || ret == KErrPathNotFound )

        {

        iBurstItems[aItemIndex]->SetDeleted( aDeleted );

        }

    PRINT( _L("Camera <= CCamBurstCaptureArray::SetDeleted B") );

    return ret;

    }

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

// CCamBurstCaptureArray::IsNextImageDeleted

// Increments iNextGetName and returns ETrue if the next image is marked for 

// deletion, otherwise returns EFalse 

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

// 

TBool CCamBurstCaptureArray::IsNextImageDeleted()

  {

  PRINT( _L("Camera => CCamBurstCaptureArray::IsNextImageDeleted") );  

  TBool deleted( EFalse );

  if ( iNextGetName >= Count() )

    {

    PRINT2( _L("Camera <> index(%d) out of range(%d), return deleted"), iNextGetName, Count() );

    deleted = ETrue;

    }

  else if ( iBurstItems[iNextGetName]->IsDeleted() )

    {

    PRINT( _L("Camera <> next item marked deleted") );

    iNextGetName++;

    deleted = ETrue;

    }

  else

    {

    deleted = EFalse;

    }

  PRINT1( _L("Camera <= CCamBurstCaptureArray::IsNextImageDeleted, return: %d"), deleted );  

  return deleted;

    }

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

// CCamBurstCaptureArray::NextFileName

// Returns a pointer to the full file path and name for the next image

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

//    

const TDesC& CCamBurstCaptureArray::NextFileName()

    {

    PRINT( _L("Camera => CCamBurstCaptureArray::NextFileName") );  

    if ( iNextGetName >= Count() )

        {

        PRINT( _L("Camera <> Returning KNullDesC") );  

        return KNullDesC;

        }

    TInt itemIndex = iNextGetName;

    iNextGetName++;

    PRINT( _L("Camera <= CCamBurstCaptureArray::NextFileName") );  

    return iBurstItems[itemIndex]->FileName();

    }

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

// CCamBurstCaptureArray::NextFileIndex

// Returns the index of the next image

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

// 

TInt CCamBurstCaptureArray::NextFileIndex() const

    {

    return iNextGetName;

    }

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

// CCamBurstCaptureArray::FileName

// Returns a pointer to the full file path and name

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

//   

const TDesC& CCamBurstCaptureArray::FileName( TInt aItemIndex ) const

    {

    if ( aItemIndex >= Count() || aItemIndex < 0 )

        {

        return KNullDesC;

        }

    return iBurstItems[aItemIndex]->FileName();

    }

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

// CCamBurstCaptureArray::ImageName

// Returns a pointer to the image name 

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

//  

const TDesC& CCamBurstCaptureArray::ImageName( TInt aItemIndex ) const

    {

    if ( aItemIndex >= Count() || aItemIndex < 0 )

        {

        return KNullDesC;

        }

    return iBurstItems[aItemIndex]->ImageName();

    }

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

// CCamBurstCaptureArray::Snapshot

// Returns a pointer to the snapshot image

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

// 

const CFbsBitmap* CCamBurstCaptureArray::Snapshot( TInt aItemIndex ) const

    {

    if ( aItemIndex >= Count() || aItemIndex < 0 )

        {

        return NULL;

        }

    return iBurstItems[aItemIndex]->Snapshot();

    }

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

// CCamBurstCaptureArray::IsDeleted

// Returns the item's deletion state

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

// 

TBool CCamBurstCaptureArray::IsDeleted( TInt aItemIndex ) const

    {

    if ( aItemIndex >= Count() )

        {