--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/drm_plat/drm_utility_api/inc/drmutility.h Thu Dec 17 08:52:27 2009 +0200
@@ -0,0 +1,219 @@
+/*
+* 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: DRM Utility base class
+ *
+*/
+
+
+#ifndef CDRMUTILITY_H
+#define CDRMUTILITY_H
+
+#include <e32base.h>
+#include <f32file.h>
+#include <drmutilitytypes.h>
+
+namespace DRM
+ {
+
+
+ /**
+ * DRM Utility base class
+ *
+ * Provides essential information about the DRM protection of a file
+ * and the name of the CAF agent to be used without using CAF.
+ *
+ * @lib drmutility.lib
+ * @since S60 v5.0
+ */
+NONSHARABLE_CLASS( CDrmUtility ) : public CBase
+ {
+public:
+
+ /**
+ * Two-phased constructor.
+ * Creates a new CDrmUtility -object and leaves it in the cleanup stack
+ *
+ * @since S60 5.0
+ * @return A functional CDrmUtility -object
+ * @leave System wide or DRM specific error code
+ */
+ IMPORT_C static CDrmUtility* NewLC();
+
+ /**
+ * Two-phased constructor.
+ * Creates a new CDrmUtility -object
+ *
+ * @since S60 5.0
+ * @return A functional CDrmUtility -object
+ * @leave System wide or DRM specific error code
+ */
+ IMPORT_C static CDrmUtility* NewL();
+
+
+ /**
+ * Destructor.
+ */
+ virtual ~CDrmUtility();
+
+ /**
+ * Checks whether the given file belongs to a DRM protected
+ * content file
+ *
+ * @since S60 5.0
+ * @param[in] aFileHandle Open filehandle to the file to be examined
+ * @param[out] aAgent Name of the agent that handles the file or
+ * KNullDesC if no agent is found
+ * @param[out] aProtected EProtected, if the default content object is
+ * protected
+ * EUnprotected, if the default content object
+ * is not protected
+ *
+ * @return ETrue, if the content is handled by a DRM agent
+ * EFalse, if the content is not handled by a DRM agent
+ *
+ * @leave KErrBadHandle if the file handle is invalid
+ * System wide or DRM specific error code
+ */
+ IMPORT_C TBool GetDrmInfoL( RFile& aFileHandle,
+ TPtrC& aAgent,
+ TDrmProtectionStatus& aProtected ) const;
+
+ /**
+ * Checks whether the given buffer belongs to a DRM protected
+ * content file
+ *
+ * @since S60 5.0
+ * @param[in] aContent Memory buffer containing the content (or part
+ * of it)
+ * @param[out] aAgent Name of the agent that handles the file or
+ * KNullDesC if no agent is found
+ * @param[out] aProtected EProtected, if the default content object is
+ * protected
+ * EUnprotected, if the default content object
+ * is not protected
+ * EUnknown, if there is not enough data to
+ * determine the protection status
+ *
+ * @return ETrue, if the content is handled by a DRM agent
+ * EFalse, if the content is not handled by a DRM agent
+ *
+ * @leave KErrArgument if there is not sufficient amount of data
+ * provided to the function to determine if the buffer has drm
+ * data
+ * System wide or DRM specific error code
+ */
+ IMPORT_C TBool GetDrmInfoL( const TDesC8& aContent,
+ TPtrC& aAgent,
+ TDrmProtectionStatus& aProtected) const;
+
+ /**
+ * Checks whether the given file is a drm content file and if it's default
+ * content object is protected or not
+ *
+ * @since S60 5.0
+ * @param[in] aFileHandle Open filehandle to the file to be examined
+ *
+ * @return ETrue, if the default content object is a drm content and
+ * is protected otherwise EFalse
+ *
+ * @leave KErrBadHandle if the file handle is invalid
+ * System wide or DRM specific error code
+ */
+ IMPORT_C TBool IsProtectedL( RFile& aFileHandle ) const;
+
+
+ /**
+ * Checks whether the given buffer is a drm content and if it's default
+ * content object is protected or not
+ *
+ * @since S60 5.0
+ * @param[in] aContent Memory buffer containing the content (or part
+ * of it)
+ *
+ * @return ETrue, if the default content object is a drm content and
+ * is protected otherwise EFalse
+ *
+ * @leave KErrArgument, if there is not sufficient amount of data
+ * provided to the function to determine if the buffer has drm
+ * data and the protection status
+ * System wide or DRM specific error code
+ */
+ IMPORT_C TBool IsProtectedL( const TDesC8& aContent ) const;
+
+
+ /**
+ * Checks what agent handles the given drm content file
+ *
+ * @since S60 5.0
+ * @param[in] aFileHandle Open filehandle to the file to be examined
+ * @param[out] aAgent Name of the agent that handles the file
+ *
+ * @return ETrue, if the content is handled by a DRM agent
+ * EFalse, if the content is not handled by a DRM agent
+ *
+ * @leave KErrBadHandle if the file handle is invalid
+ * System wide or DRM specific error code
+ */
+ IMPORT_C TBool GetAgentL( RFile& aFileHandle,
+ TPtrC& aAgent ) const;
+
+ /**
+ * Checks what agent handles the given drm content buffer
+ *
+ * @since S60 5.0
+ * @param[in] aContent Memory buffer containg the file (or part of it)
+ * @param[out] aAgent Name of the agent that handles the file
+ *
+ * @return ETrue, if the content is handled by a DRM agent
+ * EFalse, if the content is not handled by a DRM agent
+ *
+ * @leave KErrArgument, if there is not sufficient amount of data
+ * provided to the function to determine if the buffer has drm
+ * data
+ * System wide or DRM specific error code
+ */
+ IMPORT_C TBool GetAgentL( const TDesC8& aContent,
+ TPtrC& aAgent ) const;
+
+ /**
+ * Checks if the given file handle is valid
+ *
+ * @since S60 5.0
+ * @param[in] aFileHandle Filehandle to be examined
+ *
+ * @return None
+ *
+ * @leave KErrBadHandle if the filehandle is invalid
+ */
+ IMPORT_C void CheckFileHandleL( RFile& aFileHandle ) const;
+
+private:
+ /**
+ * C++ default constructor.
+ */
+ CDrmUtility();
+
+ // Oma based extensions
+ void FetchOmaBasedInfoL();
+
+ void ConstructL();
+
+ HBufC* iOmaBasedAgentName;
+ HBufC8* iOmaBasedMimeType;
+
+ };
+ }
+
+
+#endif // CDRMUTILITY_H