1 iclanimationdataprovider.h

     1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __ICLANIMATIONDATAPROVIDER_H__

    17 #define __ICLANIMATIONDATAPROVIDER_H__

    18 

    19 #include <animationdataprovider.h>

    20 

    21 #include <e32std.h>

    22 #include <animationframe.h>

    23 #include <animationmixins.h>

    24 

    25 _LIT8(KBitmapAnimationDataType, "bitmap");

    26 

    27 class CICLAnimationDataLoader;

    28 

    29 /**

    30 Data provider for frame based animations.

    31 

    32 This data provider expects to be provided with a file which can be interpreted

    33 as an animation using the Image Conversion Library (ICL).  An example would be

    34 an animated GIF.  The default data type for this provider is "bitmap".

    35 

    36 @see CBitmapAnimator

    37 @publishedAll

    38 @released

    39 */

    40 class CICLAnimationDataProvider : public CAnimationDataProvider, public MICLAnimationDataLoaderObserver

    41 	{

    42 public:

    43     IMPORT_C CICLAnimationDataProvider();

    44     IMPORT_C ~CICLAnimationDataProvider();

    45     IMPORT_C void SetFileL(RFs & aFs, const TFileName& aFileName);

    46     IMPORT_C TPtrC8 DataType();

    47     virtual void StartL();

    48 protected:

    49 	IMPORT_C virtual void CICLAnimationDataProvider_Reserved1();

    50 	IMPORT_C virtual void CICLAnimationDataProvider_Reserved2();

    51 	// From CAnimationDataProvider

    52 	IMPORT_C virtual void CAnimationDataProvider_Reserved1();

    53 	IMPORT_C virtual void CAnimationDataProvider_Reserved2();

    54 private:

    55 	TInt iCICLAnimationDataProvider_Reserved;

    56 private:

    57     CAnimationFrame::THandles CurrentFrame() const;

    58     void DecodeImageL();

    59     void DataDeliveryL();

    60     void Reset();

    61     // From MICLAnimationDataLoaderObserver

    62     virtual void DataLoaderEventL(TDataLoaderEvent aEvent, TInt aError);

    63 private: 

    64 	CICLAnimationDataLoader* iDataLoader;

    65 	CAnimationFrame* iCurrentFrame;

    66 	TInt iFlags;

    67 	};

    68 

    69 #endif //__ICLANIMATIONDATAPROVIDER_H__