diff -r 45459746d5e8 -r 27f2d7aec52a engine/collectionframework/thumbnailcreator/src/glxtnquickthumbnailtask.cpp
--- a/engine/collectionframework/thumbnailcreator/src/glxtnquickthumbnailtask.cpp	Mon Sep 27 15:13:20 2010 +0530
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,350 +0,0 @@
-/*
-* 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 "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:   Classes for thumbnail-related tasks.
-*
-*/
-
-
-
-/**
- * @internal reviewed 31/07/2007 by Simon Brooks
- */
-
-#include "glxtnquickthumbnailtask.h"
-
-#include <ExifRead.h>
-#include <glxassert.h>
-#include <glxtracer.h>
-#include <imageconversion.h>
-
-#include "glxtnfileinfo.h"
-#include "glxtnfileutility.h"
-#include "glxtnimagedecoderfactory.h"
-#include "glxtnthumbnailrequest.h"
-#include "glxtnvideoutility.h"
-#include "mglxtnthumbnailcreatorclient.h"
-
-
-// All EXIF data is within the first KGlxMaxExifSize bytes of the file
-const TInt KGlxMaxExifSize = 0x10000;
-
-// -----------------------------------------------------------------------------
-// NewL
-// -----------------------------------------------------------------------------
-//
-CGlxtnQuickThumbnailTask* CGlxtnQuickThumbnailTask::NewL(
-        const TGlxThumbnailRequest& aRequestInfo,
-        CGlxtnFileUtility& aFileUtility, MGlxtnThumbnailCreatorClient& aClient)
-    {
-    TRACER("CGlxtnQuickThumbnailTask::NewL()");
-    CGlxtnQuickThumbnailTask* task = new (ELeave) CGlxtnQuickThumbnailTask(
-                                        aRequestInfo, aFileUtility, aClient);
-    CleanupStack::PushL(task);
-    task->ConstructL(aRequestInfo.iBitmapHandle);
-    CleanupStack::Pop( task );
-    return task;
-    }
-
-// -----------------------------------------------------------------------------
-// Constructor
-// -----------------------------------------------------------------------------
-//
-CGlxtnQuickThumbnailTask::CGlxtnQuickThumbnailTask(
-                                    const TGlxThumbnailRequest& aRequestInfo,
-                                    CGlxtnFileUtility& aFileUtility,
-                                    MGlxtnThumbnailCreatorClient& aClient ) :
-    CGlxtnLoadThumbnailTask( KGlxtnTaskIdQuickThumbnail,
-                            aRequestInfo, aFileUtility, aClient ),
-    iQuality( EGlxThumbnailQualityLow )
-    {
-    TRACER("CGlxtnQuickThumbnailTask::CGlxtnQuickThumbnailTask()");
-    }
-
-// -----------------------------------------------------------------------------
-// Destructor
-// -----------------------------------------------------------------------------
-//
-CGlxtnQuickThumbnailTask::~CGlxtnQuickThumbnailTask() 
-    {
-    TRACER("CGlxtnQuickThumbnailTask::~CGlxtnQuickThumbnailTask()");
-    delete iUtility;
-    delete iVideoFrame;
-    }
-
-// -----------------------------------------------------------------------------
-// DoStartL
-// -----------------------------------------------------------------------------
-//
-TBool CGlxtnQuickThumbnailTask::DoStartL(TRequestStatus& aStatus)
-    {
-    TRACER("TBool CGlxtnQuickThumbnailTask::DoStartL()");
-    iInfo = new (ELeave) CGlxtnFileInfo;
-	Client().FetchFileInfoL(iInfo, ItemId(), &aStatus);
-    iState = EStateFetchingUri;
-
-    return ETrue;
-    } 
-
-// -----------------------------------------------------------------------------
-// DoCancel
-// -----------------------------------------------------------------------------
-//
-void CGlxtnQuickThumbnailTask::DoCancel() 
-    {
-    TRACER("void CGlxtnQuickThumbnailTask::DoCancel()");
-    CGlxtnLoadThumbnailTask::DoCancel();
-
-    if ( EStateFetchingUri == iState )
-        {
-        Client().CancelFetchUri( ItemId() );
-        }
-
-    if ( iUtility )
-        {
-        iUtility->Cancel();
-        }
-
-    iFileUtility.ClearBadFileMarker();
-    }
-
-// -----------------------------------------------------------------------------
-// DoRunL
-// -----------------------------------------------------------------------------
-//
-TBool CGlxtnQuickThumbnailTask::DoRunL(TRequestStatus& aStatus) 
-    {
-    TRACER("TBool CGlxtnQuickThumbnailTask::DoRunL()");
-    TInt error = aStatus.Int();
-	TBool active = EFalse;
-
-    if ( KErrNone == error )
-        {
-        switch ( iState )
-            {
-            case EStateFetchingUri:
-                User::LeaveIfNull(iInfo);
-                iBadFileMarkerNotNeededFlag = ETrue;
-
-                TBool protectedFile;
-                iInfo->IdentifyFileL(iVideo, protectedFile);
-                
-                // leave if file is DRM protected and client has no DRM 
-                // capablity
-                if ( protectedFile && !iDrmAllowed )
-                    {
-                    User::Leave(KErrAccessDenied);
-                    }
-
-                if ( !LoadThumbnailL( aStatus ) )
-                    {
-                    iBadFileMarkerNotNeededFlag = EFalse;
-                    iFileUtility.CheckBadFileListL( iInfo->FilePath() );
-                    QuickDecodeL(aStatus);
-                    }
-                active = ETrue;
-                break;
-
-            case EStateLoading:
-                iQuality = EGlxThumbnailQualityHigh;
-                active = HandleLoadedThumbnailL(aStatus);
-                break;
-
-            case EStateDecodingThumbnail:
-                // Nothing to do
-                break;
-
-            case EStateDecodingImage:
-                QuickScaleL();
-                break;
-
-            default:
-                GLX_ASSERT_ALWAYS( EFalse, Panic( EGlxPanicIllegalState ),
-                                "CGlxtnQuickThumbnailTask: Illegal state" );
-                break;
-            }
-        }
-    else
-        {
-        if ( EStateLoading == iState )
-            {
-            // Loading failed - generate low quality thumbnail instead
-            iBadFileMarkerNotNeededFlag = EFalse;
-            iFileUtility.CheckBadFileListL( iInfo->FilePath() );
-            QuickDecodeL(aStatus);
-            active = ETrue;
-            }
-        }
-
-    if ( !active )
-        {
-        if ( !iBadFileMarkerNotNeededFlag )
-            {
-            iFileUtility.ClearBadFileMarker();
-            }
-        Client().ThumbnailFetchComplete(ItemId(), iQuality, error);
-        }
-       
-    return active; 
-    }
-
-// -----------------------------------------------------------------------------
-// DoRunError
-// -----------------------------------------------------------------------------
-//
-TBool CGlxtnQuickThumbnailTask::DoRunError(TInt aError)
-    {
-    TRACER("TBool CGlxtnQuickThumbnailTask::DoRunError(TInt aError)");
-    iFileUtility.ClearBadFileMarker();
-    Client().ThumbnailFetchComplete(ItemId(), iQuality, aError);
-
-    return EFalse;
-    }
-
-// -----------------------------------------------------------------------------
-// QuickDecodeL
-// -----------------------------------------------------------------------------
-//
-void CGlxtnQuickThumbnailTask::QuickDecodeL(TRequestStatus& aStatus)
-    {
-    TRACER("void CGlxtnQuickThumbnailTask::QuickDecodeL(TRequestStatus& aStatus)");
-    iQuality = EGlxThumbnailQualityLow;
-
-    if ( iVideo )
-        {
-        RArray<TSize> targetSizes;
-        CleanupClosePushL(targetSizes);
-        targetSizes.AppendL( TSize(iRequestedSize) );
-        iUtility = new (ELeave) CGlxtnVideoUtility;
-        iUtility->GetVideoFrameL(&aStatus, iVideoFrame, iInfo->FilePath(), targetSizes, iThumbnail->DisplayMode() );
-        iState = EStateDecodingImage;
-        CleanupStack::PopAndDestroy(&targetSizes);
-        }
-    else
-        {
-        ReadThumbnailL(aStatus);
-        }
-    }
-
-// -----------------------------------------------------------------------------
-// ReadThumbnailL
-// -----------------------------------------------------------------------------
-//
-void CGlxtnQuickThumbnailTask::ReadThumbnailL(TRequestStatus& aStatus)
-    {
-    TRACER("void CGlxtnQuickThumbnailTask::ReadThumbnailL(TRequestStatus& aStatus)");
-    TBool scaleBitmap = EFalse;
-
-    TRAPD(error, ReadExifThumbnailL());
-    if ( KErrNotFound == error || KErrCorrupt == error
-        || KErrNotSupported == error )
-        {
-        // Use CImageDecoder to get the EXIF thumbnail instead
-        iDecoder = GlxtnImageDecoderFactory::NewL(
-                                iFileUtility.FsSession(), iInfo->FilePath() );
-
-        TRAPD( error2, iDecoder->SetImageTypeL(
-                                    CImageDecoder::EImageTypeThumbnail ) );
-        if ( KErrNotFound == error2 )
-            {
-            // No EXIF thumbnail - load whole image and scale quickly
-            scaleBitmap = ETrue;
-            }
-        else
-            {
-            User::LeaveIfError( error2 );
-            }
-        }
-    else
-        {
-        User::LeaveIfError(error);
-        iDecoder = GlxtnImageDecoderFactory::NewL(
-                                    iFileUtility.FsSession(), *iThumbData );
-        }
-
-    DecodeThumbnailL(aStatus, scaleBitmap);
-    }
-
-// -----------------------------------------------------------------------------
-// ReadExifThumbnailL
-// -----------------------------------------------------------------------------
-//
-void CGlxtnQuickThumbnailTask::ReadExifThumbnailL()
-    {
-    TRACER("void CGlxtnQuickThumbnailTask::ReadExifThumbnailL()");
-    __ASSERT_ALWAYS(iInfo, Panic(EGlxPanicNullPointer));
-
-    RFile file;
-    CleanupClosePushL(file);
-    User::LeaveIfError(file.Open(iFileUtility.FsSession(),
-                                    iInfo->FilePath(), EFileRead));
-    TInt size;
-    User::LeaveIfError(file.Size(size));
-    if ( KGlxMaxExifSize < size )
-        {
-        size = KGlxMaxExifSize;
-        }
-
-    HBufC8* exifData = HBufC8::NewLC(size);
-    TPtr8 ptr(exifData->Des());
-    User::LeaveIfError(file.Read(ptr));
-
-    CExifRead* exifReader = CExifRead::NewL(*exifData, CExifRead::ENoJpeg);
-    CleanupStack::PushL(exifReader);
-    delete iThumbData;
-    iThumbData = NULL;
-    iThumbData = exifReader->GetThumbnailL();
-
-    CleanupStack::PopAndDestroy(exifReader);
-    CleanupStack::PopAndDestroy(exifData);
-    CleanupStack::PopAndDestroy(&file);
-    }
-
-// -----------------------------------------------------------------------------
-// QuickScaleL
-// -----------------------------------------------------------------------------
-//
-void CGlxtnQuickThumbnailTask::QuickScaleL()
-    {
-    TRACER("void CGlxtnQuickThumbnailTask::QuickScaleL()");
-    User::LeaveIfNull(iVideoFrame);
-
-    TSize frameSize(iVideoFrame->SizeInPixels());
-    TSize thumbSize(iRequestedSize);
-
-    // Reduce target thumbSize to same aspect ratio as source image
-    if ( thumbSize.iHeight * frameSize.iWidth < thumbSize.iWidth * frameSize.iHeight )
-        {
-        // Source has taller aspect than target so reduce target width
-        thumbSize.iWidth = (thumbSize.iHeight * frameSize.iWidth) / frameSize.iHeight;
-        }
-    else
-        {
-        // Source has wider aspect than target so reduce target height
-        thumbSize.iHeight = (thumbSize.iWidth * frameSize.iHeight) / frameSize.iWidth;
-        }
-
-    // Resize empty bitmap to required size
-    User::LeaveIfError( iThumbnail->Resize( thumbSize ) );
-
-    CFbsBitmapDevice* device = CFbsBitmapDevice::NewL( iThumbnail );
-    CleanupStack::PushL(device);
-    CFbsBitGc* context = NULL;
-    User::LeaveIfError(device->CreateContext(context));
-    CleanupStack::PushL(context);
-
-    context->DrawBitmap(TRect(thumbSize), iVideoFrame);
-
-    CleanupStack::PopAndDestroy(context); 
-    CleanupStack::PopAndDestroy(device);
-    }