1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   image provider for image file

    15 *

    16 */

    17 

    18 

    19 #ifndef HNATTRIMGPROVSVGIMAGE_H_

    20 #define HNATTRIMGPROVSVGIMAGE_H_

    21 

    22 #include "hnattrimgprovider.h"

    23 

    24 class CSvgEngineInterfaceImpl;

    25 

    26 /**

    27  *  Image provider class for empty image.

    28  *  Image provider specialization that loads image

    29  *  from an image file path.

    30  *

    31  *  @lib hnpresentationmodel

    32  *  @since S60 5.0

    33  *  @ingroup group_hnpresentationmodel

    34  */

    35 NONSHARABLE_CLASS( CHnAttrImgProvSvgImage ):

    36     public CHnAttrImgProvider,

    37     public MSvgRequestObserver

    38     {

    39 public:

    40     

    41     /**

    42      * Two-phase constructor.

    43      *

    44      * @since S60 5.0

    45      * @param aFileName Image file name.

    46      * @return Fully constructed object.

    47      */

    48     IMPORT_C static CHnAttrImgProvSvgImage* NewL( const TDesC& aFileName );

    49     

    50     /**

    51      * Two-phase constructor.

    52      *

    53      * @since S60 5.0

    54      * @param aFileName Image file name.

    55      * @return Fully constructed object.

    56      */

    57     IMPORT_C static CHnAttrImgProvSvgImage* NewLC( const TDesC& aFileName );

    58 

    59     /**

    60      * Virtual destructor.

    61      *

    62      * @since S60 5.0

    63      */

    64     virtual ~CHnAttrImgProvSvgImage();

    65 

    66     /**

    67      * Gets icon.

    68      * 

    69      * @since S60 5.0

    70      * @param aDesiredSize Desired size of the icon.

    71      * @return Icon as a CGulIcon pointer.

    72      */

    73     CGulIcon* GetIcon( TSize *aDesiredIconSize );

    74     

    75     /**

    76      * Gets icon holder which contains the icon that GetIcon returns.

    77      * 

    78      * @param aDesiredSize Desired size of the icon.

    79      * @return icon hoder that contains the icon (may return NULL).

    80      */

    81     CHnIconHolder* GetIconHolder( TSize* aDesiredIconSize );

    82     

    83 

    84 private:

    85 

    86     /**

    87      * Renders the icon.

    88      * 

    89      * @since S60 5.0

    90      * @param aDesiredSize Desired size of the icon.

    91      * @return Error code.

    92      */

    93     TInt RenderIcon( TSize aDesiredIconSize );

    94     

    95     /**

    96      * Defualt constructor.

    97      * 

    98      * @since S60 5.0

    99      */

   100     CHnAttrImgProvSvgImage();

   101     

   102     /**

   103      * Standard symbian 2nd phase constructor.

   104      * 

   105      * @since S60 5.0

   106      * @param aFileName Image file name.

   107      */

   108     void ConstructL( const TDesC& aFileName );

   109     

   110 public : //from MSvgRequestObserver

   111 	

   112 	/**

   113 	 * @see MSvgRequestObserver:UpdateScreen

   114 	 */

   115     void UpdateScreen();

   116 

   117     /**

   118 	 * @see MSvgRequestObserver:MSvgRequestObserver

   119      */

   120     TBool ScriptCall( const TDesC& aScript,	CSvgElementImpl* aCallerElement );

   121 

   122     /**

   123 	 * @see MSvgRequestObserver:FetchImage

   124      */

   125     TInt FetchImage( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );

   126 

   127 	/**

   128 	 * @see MSvgRequestObserver:FetchFont    

   129 	 */

   130 	TInt FetchFont( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );

   131 

   132     /**

   133 	 * @see MSvgRequestObserver:UpdatePresentation

   134      */

   135     void UpdatePresentation(const TInt32&  aNoOfAnimation);    

   136 

   137 private: // data

   138 

   139     /**

   140      * Bitmap. Not Own. GulIcon takes ownership.

   141      */

   142     CFbsBitmap* iBitmap;

   143 

   144     /**

   145      * Mask. Not Own. GulIcon takes ownership.

   146      */

   147     CFbsBitmap* iMask;

   148 

   149     /**

   150      * Mask. Own. Dummy for the engine.

   151      */

   152     CFbsBitmap* iDummyBitmap;

   153     

   154 	/**

   155 	* SVG Engine instance

   156 	*/    

   157     CSvgEngineInterfaceImpl* iSvgEngine;

   158     

   159 	/**

   160 	* Handle to the svg dom tree.

   161 	*/    

   162     TInt iHandle;

   163     

   164     };

   165 

   166 #endif // HNATTRIMGPROVSVGIMAGE_H_

   167