profilesservices/ProfileEngine/WrapperSrc/CProEngToneHandler.h
changeset 0 8c5d936e5675
child 8 f62c3a3d66b8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/profilesservices/ProfileEngine/WrapperSrc/CProEngToneHandler.h	Thu Dec 17 08:52:52 2009 +0200
@@ -0,0 +1,253 @@
+/*
+* Copyright (c) 2002-2006 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:  A helper class for making correctness and DRM checkups to the
+*                tones to be used as alert tones.
+*
+*/
+
+
+
+#ifndef CPROENGTONEHANDLER_H
+#define CPROENGTONEHANDLER_H
+
+//  INCLUDES
+#include <f32file.h> // CBase, RFs
+#include <apmstd.h> // KMaxDataTypeLength
+#include <data_caging_path_literals.hrh>
+#include "ProfileEng.hrh" // TProfileSettingId
+
+// FORWARD DECLARATIONS
+class DRMCommon;
+class CDRMHelper;
+class CProEngMediaVariation;
+
+// CLASS DECLARATION
+
+/**
+*  A helper class for making correctness and DRM checkups to the
+*  tones to be used as alert tones.
+*  Registers DRM protected tones as automated content
+*  and removes old content from automated content list.
+*  Shows a content activation query and other DRM related
+*  notes if necessary.
+
+*
+*  @lib ProfileEngine.lib
+*  @since Series 60 3.1
+*/
+NONSHARABLE_CLASS( CProEngToneHandler ) : public CBase
+    {
+    public:  // Constructors and destructor
+
+        // Two-phased constructors.
+        static CProEngToneHandler* NewL();
+        static CProEngToneHandler* NewLC();
+
+        // Destructor.
+        ~CProEngToneHandler();
+
+    public: // New functions
+
+        /**
+         * Checks that the given tone file exists and that it is
+         * a legal file to be used as a ringing or alert tone.
+         * @since 3.1
+         * @param aFileName Full path and filename of the file to be checked.
+         * @param aToneType Type of tone to check, see: ProfileEng.hrh
+         * @return KErrNone if the file can be used as a ringing or alert tone,
+         *         KErrNotFound if the file cannot be found,
+         *         KErrNotSupported if a file is of an unsupported type or
+         *         KErrPermissionDenied if the file is not allowed
+         *         to be used as a ringing or alert tone.
+         *         KErrGeneral if DRM rights are insufficient.
+		 *		   KErrArgument if the file is DRM protected
+		 *		   audio/mp4 and those are not allowed as ringingtones.
+		 *         KErrTooBig if file size exceeded file size limit.
+         */
+        TInt CheckToneFileL( const TDesC& aFileName, TInt aToneType );
+
+        /**
+         * Adds the file to automated content list and removes the old file
+         * from automated content list.
+         * Called by CProEngProfileImpl::CommitChangeL after the changes has
+         * been committed in the underlying Profiles Engine.
+         * @since 3.1
+         * @param aSettingId setting id which identifies which tone (ringing
+         *                   tone, sms tone etc.) this automated content
+         *                   handling operation concerns.
+         * @param aFileName Full path and filename of the tone to be used
+         *                  as the new ringing or alert tone.
+         * @param aOldFileName Full path and filename of the previous tone used
+         *                  as the ringing or alert tone.
+         * @return KErrNone, if succesful, otherwise a system-wide error code.
+         */
+        TInt HandleAutomatedContent( TProfileSettingId aSettingId,
+                                     const TDesC& aFileName,
+                                     const TDesC& aOldFileName);
+
+    protected:  // New functions
+
+        /**
+         * Helper function for CheckToneFileL. This function does most of the
+         * actual checking.
+         * @since 3.1
+         * @param aFileName Full path and filename of the file to be checked.
+         * @param aToneType Type of tone to check, see: ProfileEng.hrh
+         * @return KErrNone if the file can be used as a ringing or alert tone,
+         *         KErrNotFound if the file cannot be found,
+         *         KErrNotSupported if a file is of an unsupported type or
+         *         KErrPermissionDenied if the file is not allowed
+         *         to be used as a ringing or alert tone.
+         *         KErrGeneral if DRM rights are insufficient.
+		 *		   KErrArgument if the file is DRM protected
+		 *		   audio/mp4 and those are not allowed as ringingtones.
+		 *         KErrTooBig if file size exceeded file size limit.
+         */
+        TInt DoCheckToneFileL( const TDesC& aFileName, TInt aToneType );
+
+        /**
+         * Checks if a DRM protected file can be used as a ringing or alert tone.
+         * @since 3.1
+         * @param aFileName Full path and filename of the file to be checked.
+         * @return KErrNone if the file can be used as a ringing or alert tone or
+         *         KErrGeneral if DRM rights are insufficient.
+         */
+        TInt CheckProtectedFileL( const TDesC& aFileName );
+
+        /**
+         * Tells whether a file can be registered as automated content or not.
+         * If DRM is not supported, returns always EFalse.
+         * @since 3.1
+         * @param aFileName File to be registered as automated content.
+         * @return Returns ETrue if aFileName can be set as automated content.
+         *         Returns EFalse if can't or DRM is not supported.
+         */
+        TBool CanSetAutomated( const TDesC& aFileName );
+
+        /**
+         * Asks user if he/she wants to activate unactivated content.
+         * Shows a query. Does nothing if DRM is not supported.
+         * @since 3.1
+         * @param aFileName File to be registered as automated content.
+         * @return Returns KErrCancel if user cancels the query.
+         */
+        TInt AskAutomated( const TDesC& aFileName );
+
+        /**
+         * Registers a file to automated content list without any queries.
+         * Errors are omitted. Does nothing if DRM is not supported.
+         * @since 3.1
+         * @param aSettingId setting id which identifies which tone (ringing
+         *                   tone, sms tone etc.) this automated content
+         *                   setting operation concerns.
+         * @param aFileName File to be registered as automated content.
+         * @return KErrNone, if succesful, otherwise a system-wide error code.
+         */
+        TInt SetAutomated( TProfileSettingId aSettingId,
+                           const TDesC& aFileName );
+
+        /**
+         * Removes a file from automated content list.
+         * Errors are omitted. Does nothing if DRM is not supported.
+         * @since 3.1
+         * @param aFileName File to be removed from automated content list.
+         */
+        void RemoveAutomated( const TDesC& aFileName );
+
+        /**
+         * Returns whether a file is protected content or not.
+         * Returns always EFalse if DRM is not supported.
+         * @since 3.1
+         * @param aFileName The file name.
+         * @return Returns whether the file is protected content or not.
+         */
+        TBool IsProtected( const TDesC& aFileName ) const;
+
+        /**
+         * Returns whether a file is protected content or not.
+         * Returns always EFalse if DRM is not supported.
+         * @since 3.1
+         * @param aFileName The file name.
+         * @return Returns whether the file is protected content or not.
+         */
+        TBool IsProtectedL( const TDesC& aFileName ) const;
+
+		/**
+         * Displays an error note.
+         * @since 3.1
+         * @param aResourceId Resource ID to a TBUF resource.
+         */
+        void ShowErrorNoteL( TInt aResourceId );
+
+        /**
+         * Checks if tone file's size is larger than the size limit.
+         * @since 3.1
+         * @param aFileName The path to the file.
+         * @return KErrNone   if the file can be used as a ringing tone.
+         *         KErrTooBig if the file size limit is exceeded.
+         */
+        TInt CheckFileSizeLimit( const TDesC& aFileName ) const;
+        /**
+         * Checks if tone file's size is larger than the size limit.
+         * @since 3.1
+         * @return KErrNone   if the file can be used as a ringing tone.
+         *         KErrTooBig if the file size limit is exceeded.
+         */
+        TInt CheckToneFileSize( const TDesC& aFile, TInt aSizeLimitKB ) const;
+        /**
+         * Reads tone file size limit from cenrep.
+         * @since 3.1
+         * @return leaves on error
+         */
+        void GetMaxToneFileSizeL( TInt& aMaxSizeKB ) const;
+
+    private:
+
+        /// Default constructor
+        CProEngToneHandler();
+
+        /// 2nd phase constructor
+        void ConstructL();
+
+        /// Constructor for the DRM objects
+        void DrmConstructL();
+
+        /// Destructor for the DRM objects
+        void ReleaseDrm();
+
+        /// Called by SetAutomated
+        TInt SetAutomatedL( TProfileSettingId aSettingId,
+                           const TDesC& aFileName );
+
+    private:    // Data
+
+        /// Owns: DRM Helper client.
+        CDRMHelper* iDrmHelper;
+
+        /// Owns: DRM Common client
+        DRMCommon* iDrmCommon;
+
+        /// File Server client.
+        RFs iFs;
+
+        /// Mime-type handling:
+        CProEngMediaVariation* iMediaVariation;
+
+        /// voice call file size limit
+        TInt iToneFileSizeLimitKB;
+    };
+
+#endif      // CPROENGTONEHANDLER_H
+
+// End of File