remoteconn_plat/generic_hid_api/inc/hidreportroot.h
branchRCL_3
changeset 20 4a793f564d72
parent 19 0aa8cc770c8a
child 21 74aa6861c87d
--- a/remoteconn_plat/generic_hid_api/inc/hidreportroot.h	Tue Aug 31 16:03:15 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