--- a/localconnectivityservice/generichid/inc/hidreportroot.h Sun May 02 21:46:11 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,274 +0,0 @@
-/*
-* Copyright (c) 2004-2007 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: Declares hid report class
-*
-*/
-
-
-#ifndef C_HIDREPORTROOT_H
-#define C_HIDREPORTROOT_H
-
-#include <e32base.h>
-
-#include "hidfield.h"
-#include "hidcollection.h"
-
-#include "hidvalues.h"
-
-class CReportRoot;
-
-
-
-/**
- * Hid field finder class
- * The MHidFieldFinder class defines the call-back interface used by
- * THidFieldSearch. A device driver uses THidFieldSearch::SearchL()
- * along with a custom MHidFieldFinder object to determine whether it
- * is compatible with a given report descriptor.
- *
- * @lib generichid.lib
- * @since S60 v5.0
- */
-class MHidFieldFinder
- {
-public:
-
- /**
- * Called by THidFieldSearch::SearchL() during traversal of the
- * report descriptor tree when a CCollection is encountered. It
- * will be called once, and only once, for every CCollection in the
- * descriptor. It is not called for the root collection
- * (the CReportRoot).
- *
- * @since S60 v5.0
- * @param aCollection A pointer to the collection object.
- * @return ETrue if the contents of this collection (any child CField
- * or CCollection objects) should be examined. A driver would return
- * EFalse if a collection was not of a compatible type, for
- * example if the usage page was inappropriate.
- */
- virtual TBool BeginCollection(const CCollection *aCollection) = 0;
-
- /**
- * Called by THidFieldSearch::SearchL() during traversal of the
- * report descriptor tree when all CFields and child CCollections
- * of a CCollection have been examined. It will be called once,
- * and only once, for every CCollection in the descriptor. It is
- * not called for the root collection (the CReportRoot).
- *
- * @since S60 v5.0
- * @param aCollection A pointer to the collection object.
- * @return ETrue if the search (tree traversal) should
- * continue. A driver returns EFalse if it has finished examining
- * the whole descriptor, in general this will be if it has
- * established that it is compatible with the report descriptor.
- */
- virtual TBool EndCollection(const CCollection *aCollection) = 0;
-
- /**
- * Called once for each CField in a CCollection by
- * THidFieldSearch::SearchL() during the traversal of a report
- * descriptor tree.
- *
- * @since S60 v5.0
- * @param aField The pointer to field
- * @return None.
- */
- virtual void Field(const CField* aField) = 0;
- };
-
-
-/**
- * Report Size
- *
- * @lib generichid.lib
- * @since S60 v5.0
- */
-class TReportSize
- {
-public:
-
- /**
- * Constructor.
- *
- * @since S60 v5.0
- * @param aReportId The report id
- * @param aType Field type
- * @return Pointer to report size object
- */
- TReportSize(TInt aReportId, CField::TType aType);
-
-
- /**
- * TReportSize comparision
- *
- * @since S60 v5.0
- * @param aFirst first report size to be compared.
- * @param aSecond second report size to be compared
- * @return None
- */
- static TBool Match(const TReportSize& aFirst,
- const TReportSize& aSecond);
-
- /**
- * Report id
- */
- TInt iReportId;
-
- /**
- * Fiel type
- */
- CField::TType iType;
-
- /**
- * Report size
- */
- TInt iSize;
- };
-
-
-/**
- * Hid field search
- * THidFieldSearch provides a mechanism for traversing a parsed report
- * descriptor tree (a CReportRoot object). It is intended for a device
- * driver to use when it is looking to see if it is compatible with a
- * newly connected device, i.e. provides the appropriate types of
- * report. The driver must provide an object of a class that implements
- * the MHidFieldFinder interface.
- *
- * @since S60 v5.0
- */
-class THidFieldSearch
- {
-public:
-
- /**
- * Traverse a parsed report descriptor (a tree of CCollections
- * and CFields) calling the MHidFieldFinder member functions as
- * appropriate.
- *
- * @since S60 v5.0
- * @param aReportRoot THe pointer to field
- * @param aFinder An object that will establish if the report
- * descriptor is suitable.
- * @return None.
- */
- IMPORT_C void SearchL(const CReportRoot* aReportRoot,
- MHidFieldFinder* aFinder);
-
-private:
-
- /**
- * Traverse a parsed report descriptor (a tree of CCollections
- * and CFields) calling the MHidFieldFinder member functions as
- * appropriate.
- *
- * @since S60 v5.0
- * @param aReportRoot THe pointer to field
- * @return ETrue when search is done.
- */
- TBool DoSearchL(const CCollection* aCollection);
-
-private:
- MHidFieldFinder* iFinder;
- };
-
-/**
- * Root report
- * The top level of the tree of fields and collections in a HID
- * report descriptor.
- *
- * @lib generichid.lib
- * @since S60 v5.0
- */
-class CReportRoot : public CCollection
- {
-public:
- static CReportRoot* NewLC();
- static CReportRoot* NewL();
-
- /**
- * Destructor
- */
- virtual ~CReportRoot();
-
- /**
- * Increase the size of a given report by a given number of bits
- *
- * @since S60 v5.0
- * @param aReportId The report id, which size shoud be increased
- * @param aType a Type of field
- * @param aIncrement size of increase
- * @return None
- */
- void IncrementReportSizeL(TInt aReportId,
- CField::TType aType, TInt aIncrement);
-
- /**
- * Get the size of a given report in bits
- *
- * @since S60 v5.0
- * @param aReportId The report id, which size shoud be increased
- * @param aType a Type of field
- * @return Size of report in bits
- */
- TInt ReportSize(TInt aReportId, CField::TType aType) const;
-
- /**
- * Get the size of a given report in bytes
- *
- * @since S60 v5.0
- * @param aReportId The report id, which size shoud be increased
- * @param aType a Type of field
- * @return Size of report in bytys
- */
- IMPORT_C TInt ReportSizeBytes(TInt aReportId, CField::TType aType) const;
-
- /**
- * Get the number of reports
- *
- * @since S60 v5.0
- * @return number of reports
- */
- TInt NumberOfReports() const;
-
- /**
- * Get the size of a given report by array index, rather than type & ID
- *
- * @since S60 v5.0
- * @param aIndex report index
- * @return report size
- */
- TInt ReportSize(TInt aIndex) const;
-
-private:
- CReportRoot();
-
- /**
- * Find report index
- *
- * @since S60 v5.0
- * @param aReportId The report id to be found
- * @param aType a Type of field
- * @return report size
- */
- TInt FindReportSizeIndex(TInt aReportId, CField::TType aType) const;
-
- /**
- * Array to store the size of each report
- */
- RArray<TReportSize> iSizes;
- };
-
-#endif