1 /*

     2 * Copyright (c) 2002-2004 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 the License "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:  Handle a download related util functions, such as isDrm

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CDOWNLOADUTILS_H

    21 #define CDOWNLOADUTILS_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 #include <HttpDownloadMgrCommon.h>

    26 

    27 // FORWARD DECLARATIONS

    28 class RHttpDownload;

    29 

    30 // CONSTANTS

    31 _LIT8( KSisFileMimeType, "application/vnd.symbian.install" );

    32 _LIT8( KOctetStreamMimeType, "application/octet-stream" );

    33 

    34 // CLASS DECLARATION

    35 

    36 /**

    37 *  Supports user interaction dialogs for downloads, etc.

    38 */

    39 NONSHARABLE_CLASS( CDownloadUtils ) : public CBase 

    40     {

    41     public:  // Constructors and destructor

    42         

    43         /**

    44         * Two-phased constructor.

    45         * &param aDMgrUiBase Reference to UI base functionality.

    46         */

    47         static CDownloadUtils* NewL();

    48         

    49         /**

    50         * Destructor.

    51         */

    52         virtual ~CDownloadUtils();

    53 

    54     public: // New functions

    55 

    56         /**

    57         * Check if the download is DRM.

    58         * @param aDownload The actual download

    59         * @return ETrue/EFalse

    60         */

    61         TBool DrmDownloadL( RHttpDownload& aDownload );

    62 

    63         /**

    64         * Check if the DRM download has rights on the phone.

    65         * @param aDownload The actual download

    66         * @param aPreviewRights Output. ETrue, if the right is preview.

    67         * @return ETrue/EFalse

    68         */

    69         TBool DrmRightsOnThePhoneL( RHttpDownload& aDownload, TBool& aPreviewRights ) const;

    70 

    71         /**

    72         * Is the content type supported.

    73         * @param aDownload The actual download

    74         * @return True/False.

    75         */

    76         TBool IsContentTypeSupportedL( RHttpDownload& aDownload );

    77 

    78         /**

    79         * Is the content type supported.

    80         * @param aContentType The mime type

    81         * @return True/False.

    82         */

    83         TBool IsContentTypeSupportedL( const TDesC8& aContentType );

    84 

    85         /**

    86         * Is the content type supported.

    87         * @param aDownload The actual download.

    88         * @param aContentType The mime type

    89         * @return True/False.

    90         */

    91         TBool IsContentTypeSupportedL( RHttpDownload& aDownload, const TDesC8& aContentType );

    92 

    93         /**

    94         * Get the MIME type of the download..

    95         * @param aDownload The actual download.

    96         * @param aDrmResolve If it's ETrue, the inner DRM content type is got.

    97         * @return The allocated buffer containing the mime type.

    98         */

    99         HBufC8* ContentTypeL( RHttpDownload& aDownload, TBool aDrmResolve, TInt mediaObjectIndex = 0 );

   100         

   101         /**

   102         * Is the content type supported by gallery.

   103         * @param aContentType The mime type

   104         * @return True/False.

   105         */

   106         static TBool IsGallerySupported(const TDesC8& aContentType);

   107 

   108     protected: // Constructors

   109 

   110         /**

   111         * C++ default constructor.

   112         */

   113         CDownloadUtils();

   114 

   115         /**

   116         * By default Symbian 2nd phase constructor is private.

   117         */

   118         void ConstructL();

   119 

   120     private: // file operations

   121     

   122         /**

   123         * Find the content type from file using content recognizer

   124         * @param aDownload The actual download.

   125         * @param aContentType The mime type

   126         */

   127 		void FindContentTypeFromFileL( RHttpDownload& aDownload, TUint8*& aContentTypeString );    

   128         

   129     private: // Data

   130         HBufC8* iMimeType; ///< Temp storage. Owned.

   131         HBufC8* iContentURI; ///< Temp storage. Owned.

   132 

   133     };

   134 

   135 #endif /* CDOWNLOADUTILS_H */