--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imagehandlingutilities/thumbnailmanager/plugins/video/src/thumbnailvideoprovider.cpp	Tue Jan 26 15:18:05 2010 +0200
@@ -0,0 +1,286 @@
+/*
+* Copyright (c) 2006-2007 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:  Video thumbnail provider
+ *
+*/
+
+
+#include <e32base.h>
+#include <ecom/ecom.h>
+#include <implementationproxy.h>
+#include <fbs.h>
+
+#include "thumbnailvideoprovider.h"
+#include "thumbnailmanageruids.hrh"
+#include "thumbnailmanagerconstants.h"
+#include "thumbnaillog.h"
+
+#ifndef IMPLEMENTATION_PROXY_ENTRY
+typedef TAny* TProxyNewLPtr;
+#define IMPLEMENTATION_PROXY_ENTRY(aUid, aFuncPtr) \
+{ {aUid}, static_cast<TProxyNewLPtr>(aFuncPtr) }
+#endif 
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CThumbnailVideoProvider::NewL()
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CThumbnailVideoProvider* CThumbnailVideoProvider::NewL()
+    {
+    CThumbnailVideoProvider* self = new( ELeave )CThumbnailVideoProvider();
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailImageProvider::CThumbnailImageProvider()
+// C++ default constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CThumbnailVideoProvider::CThumbnailVideoProvider():CActive( EPriorityStandard )
+    {
+    CActiveScheduler::Add( this );
+    
+    iTimer.CreateLocal();
+    iTimeout = EFalse;
+    
+    TN_DEBUG1( "CThumbnailVideoProvider::CThumbnailVideoProvider()" );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailVideoProvider::~CThumbnailVideoProvider()
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+CThumbnailVideoProvider::~CThumbnailVideoProvider()
+    {
+    // run DoCancel even if not active
+    if ( IsActive() )
+        {
+        Cancel();
+        }
+    else
+        {
+        DoCancel();
+        }
+    
+    iTimer.Close();
+    
+    TN_DEBUG1( "CThumbnailVideoProvider::~CThumbnailVideoProvider()" );
+    REComSession::DestroyedImplementation( iDtor_ID_Key );
+    }
+// -----------------------------------------------------------------------------
+// CThumbnailVideoProvider::DoCancel()
+// -----------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::DoCancel()
+    {
+    iTimer.Cancel();
+    
+    if ( iVideoClipInfo )
+        {
+        iVideoClipInfo->CancelThumb();
+        
+        delete iVideoClipInfo;
+        iVideoClipInfo = NULL;
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CThumbnailImageDecoder::RunL()
+// -----------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::RunL()
+    {
+    DoCancel();
+    
+    // video thumbnail engine doesn't respond
+    if (iTimeout)
+        {
+        iObserver->ThumbnailProviderReady( KErrNotSupported, NULL, TSize(), EFalse, EFalse);
+        iTimeout = EFalse;
+        
+        TN_DEBUG1( "CThumbnailVideoProvider::RunL() - timeout" );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailVideoProvider::GetThumbnailL()
+// Provides the thumbnail image of video clip
+// ---------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::GetThumbnailL( RFs&  /*aFs*/, RFile64& aFile, const
+    TDataType&  /*aMimeType*/, const CThumbnailManager::TThumbnailFlags aFlags,
+    const TDisplayMode /*aDisplayMode*/, const CThumbnailManager::TThumbnailQualityPreference /*aQualityPreference */)
+    {
+    TN_DEBUG1( "CThumbnailVideoProvider::GetThumbnailL() start" );
+
+    iFlags = aFlags;
+	//set default mode displaymode from global constants
+    iDisplayMode = KStoreDisplayMode;
+
+    TFileName filename;
+    User::LeaveIfError( aFile.FullName( filename ));
+
+    TRAPD( err, iVideoClipInfo = CTNEVideoClipInfo::NewL( filename, * this ));
+
+    if ( err != KErrNone )
+        {
+        User::Leave( KErrCorrupt );
+        }
+    
+    TN_DEBUG1( "CThumbnailVideoProvider::GetThumbnailL() end" );
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailVideoProvider::GetThumbnailL()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::GetThumbnailL( RFs& /*aFs*/, 
+    TDesC8* /* aBuffer */,
+    const TDataType& /* aMimeType */, 
+    const CThumbnailManager::TThumbnailFlags /*aFlags*/,
+    const TDisplayMode /* aDisplayMode */, 
+    const CThumbnailManager::TThumbnailQualityPreference /*aQualityPreference */)
+    {
+    TN_DEBUG1( "CThumbnailVideoProvider::GetThumbnailL() - nothing to do" );
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailVideoProvider::GetThumbnailL()
+// ---------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::GetThumbnailL( RFs& /*aFs*/, TDesC8& /*aBuffer*/)
+    {
+    TN_DEBUG1( "CThumbnailVideoProvider::GetThumbnailL() - nothing to do" );
+    }
+
+// ---------------------------------------------------------------------------
+// Cancel thumbnail request
+// ---------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::CancelGetThumbnail()
+    {
+    // run DoCancel even if not active
+    if ( IsActive() )
+        {
+        Cancel();
+        }
+    else
+        {
+        DoCancel();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CThumbnailVideoProvider::NotifyVideoClipThumbCompleted()
+// Used to notify when thumbnail image of video clip is ready
+// ---------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::NotifyVideoClipThumbCompleted( CTNEVideoClipInfo&
+    /*aInfo*/, TInt aError, CFbsBitmap* aThumb )
+    {
+    TN_DEBUG2( "CThumbnailVideoProvider::NotifyVideoClipThumbCompleted(aError=%d)", aError );
+    
+    iTimer.Cancel();
+    iTimeout = EFalse;
+    
+    if (( aError == KErrNone ) && aThumb )
+        {
+        iOriginalSize = aThumb->SizeInPixels();
+        }
+    
+    iObserver->ThumbnailProviderReady( aError, aThumb, iOriginalSize, EFalse, EFalse);
+    }
+
+
+// ---------------------------------------------------------------------------
+// CThumbnailVideoProvider::NotifyVideoClipInfoReady()
+// Used to notify when information of video clip is available
+// ---------------------------------------------------------------------------
+//
+void CThumbnailVideoProvider::NotifyVideoClipInfoReady( CTNEVideoClipInfo&
+    aInfo, TInt aError )
+    {
+    TN_DEBUG2( "CThumbnailVideoProvider::NotifyVideoClipInfoReady(aError=%d)", aError );
+    
+    if ( aError == KErrNone )
+        {
+        TInt err( KErrNone );
+
+        // cannot determine target size, aspect ratio scaling fails
+        TRAP( err, aInfo.GetThumbL( *this, KBestThumbIndex, NULL, iDisplayMode, ETrue ));
+  
+        if ( err != KErrNone )
+            {
+            TN_DEBUG2( "CThumbnailVideoProvider::NotifyVideoClipInfoReady() -- GetThumbL() left with %d", err );
+            
+            iObserver->ThumbnailProviderReady( err, NULL, TSize(), EFalse, EFalse);
+            
+            SetActive();
+            TRequestStatus* statusPtr = &iStatus;
+            User::RequestComplete( statusPtr, KErrNone ); 
+            }
+        else
+            {
+            // request timeout
+            iTimeout = ETrue;
+            iTimer.After(iStatus, KVideoDecoderTimeout);
+            SetActive();
+            }
+        }
+    else
+        {
+        iObserver->ThumbnailProviderReady( aError, NULL, TSize(), EFalse, EFalse);
+        
+        SetActive();
+        TRequestStatus* statusPtr = &iStatus;
+        User::RequestComplete( statusPtr, KErrNone );
+        }
+    }
+
+
+// ======== GLOBAL FUNCTIONS ========
+
+// -----------------------------------------------------------------------------
+// ImplementationTable
+// Define the interface UIDs
+// -----------------------------------------------------------------------------
+//
+const TImplementationProxy ImplementationTable[] = 
+    {
+    IMPLEMENTATION_PROXY_ENTRY( THUMBNAIL_VIDEO_PROVIDER_IMP_UID,
+        CThumbnailVideoProvider::NewL )
+};
+
+
+// -----------------------------------------------------------------------------
+// ImplementationGroupProxy
+// The one and only exported function that is the ECom entry point
+// -----------------------------------------------------------------------------
+//
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt&
+    aTableCount )
+    {
+    aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy );
+
+    return ImplementationTable;
+    }
+
+// End of file