--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/bteng/btengdiscovery/inc/btengsdpquery.h	Mon Jan 18 20:28:57 2010 +0200
@@ -0,0 +1,227 @@
+/*
+* Copyright (c) 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:  Helper class for performing SDP queries.
+*
+*/
+
+
+#ifndef BTENGSDPQUERY_H
+#define BTENGSDPQUERY_H
+
+#include "btengdiscovery.h"
+
+class CBTEngSdpAttrParser;
+
+/**  Array definition for storing SDP record handles */
+typedef RPointerArray<CSdpAttrValue> RSdpAttrValueArray;
+
+
+/**
+ *  Class CBTEngSdpQuery
+ *
+ *  ?more_complete_description
+ *
+ *  @lib btengdiscovery.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CBTEngSdpQuery ) : public CBase, public MSdpAgentNotifier
+    {
+
+public:
+
+    /**  ?description */
+    enum TSdpQueryType
+        {
+        EQueryIdle,
+        EServiceQuery,
+        EAttrQuery,
+        EServiceAttrQuery
+        };
+
+    /**
+     * Two-phase constructor
+     */
+    static CBTEngSdpQuery* NewL( MBTEngSdpResultReceiver* aNotifier );
+
+    /**
+     * Destructor
+     */
+    virtual ~CBTEngSdpQuery();
+
+    /**
+     * ?description
+     *
+     * @since S60 v3.2
+     */
+    void Cancel();
+
+    /**
+     * ?description
+     *
+     * @since S60 v3.2
+     * @param aAddr ?description
+     * @param aService ?description
+     */
+    void RemoteSdpQueryL( const TBTDevAddr& aAddr, const TUUID& aService );
+
+    /**
+     * ?description
+     *
+     * @since S60 v3.2
+     * @param aAddr ?description
+     * @param aHandle ?description
+     * @param aAttrId ?description
+     */
+    void RemoteSdpQueryL( const TBTDevAddr& aAddr, 
+                           const TSdpServRecordHandle aHandle, 
+                           const TSdpAttributeID aAttrId );
+
+    /**
+     * ?description
+     *
+     * @since S60 v3.2
+     * @param aAddr ?description
+     * @param aService ?description
+     * @param aAttrId ?description
+     */
+    void RemoteSdpQueryL( const TBTDevAddr& aAddr, const TUUID& aService, 
+                           const TSdpAttributeID aAttrId );
+
+// from base class MSdpAgentNotifier
+
+    /**
+     * From MSdpAgentNotifier.
+     * Called when an service record request operation completes.
+     *
+     * @since S60 v3.2
+     * @param aError KErrNone if successful; KErrEof if there are no more 
+     *               SDP records left to be read; or an SDP error.
+     * @param aHandle Service record for which the query was made.
+     * @param aTotalRecordsCount Total number of matching records.
+     */
+    virtual void NextRecordRequestComplete( TInt aError, 
+                                             TSdpServRecordHandle aHandle, 
+                                             TInt aTotalRecordsCount );
+
+    /**
+     * From MSdpAgentNotifier.
+     * Called when an attribute request wants to pass up a result.
+     *
+     * @since S60 v3.2
+     * @param aHandle Service record for which the query was made.
+     * @param aAttrID ID of the attribute obtained.
+     * @param @param aAttrValue Attribute value obtained.
+     */
+    virtual void AttributeRequestResult( TSdpServRecordHandle aHandle, 
+                                          TSdpAttributeID aAttrID, 
+                                          CSdpAttrValue* aAttrValue );
+
+    /**
+     * From MSdpAgentNotifier.
+     * Called when an attribute request wants to signal the completion 
+     * of a attribute request.
+     *
+     * @since S60 v3.2
+     * @param aHandle Service record for which the query was made.
+     * @param aError An error.
+     */
+    virtual void AttributeRequestComplete( TSdpServRecordHandle aHandle, 
+                                            TInt aError );
+
+private:
+
+    /**
+     * C++ default constructor
+     */
+    CBTEngSdpQuery( MBTEngSdpResultReceiver* aNotifier );
+
+    /**
+     * Symbian 2nd-phase constructor
+     */
+    void ConstructL();
+
+    /**
+     * Helper function to pass back an error to our client.
+     *
+     * @since S60 v3.2
+     * @param aError The error to return to the result observer.
+     */
+    void NotifyError( TInt aError );
+
+    /**
+     * Helper function to check that
+     *
+     * @since S60 v3.2
+     * @param aAddr ?description
+     * @return KErrNone if sucessful, 
+     *         KErrNotReady if no SDP result notifier has been set,
+     *          otherwise the error code indicating the error situation.
+     */
+    void CheckSdpAgentL( const TBTDevAddr& aAddr );
+
+private: // data
+
+    /**
+     * Flag to check if an SDP query is ongoing.
+     */
+    TSdpQueryType iQueryType;
+
+    /**
+     * Flag to check if an SDP query is ongoing.
+     */
+    TBTDevAddr iBDAddr;
+
+    /**
+     * Attribute ID for second step of ServiceAttributeSearch 
+     * operation; otherwise NULL.
+     */
+    TSdpAttributeID iRequestedAttrId;
+
+    /**
+     * Result array of discovered service record handles.
+     */
+    RSdpRecHandleArray iRecHandleArray;
+
+    /**
+     * Result array of discovered service record attributes.
+     */
+    RSdpResultArray iAttrResArray;
+
+    /**
+     * Array for temporarily storing CSdpAttrValue objects. The actual 
+     * value is used through the RSdpResultArray member.
+     */
+    RSdpAttrValueArray iAttrValArray;
+
+    /**
+     * ?description_of_pointer_member
+     * Own.
+     */
+    CSdpAgent* iSdpAgent;
+
+    /**
+     * Parser for decoding SDP attribute values.
+     * Own.
+     */
+    CBTEngSdpAttrParser* iParser;
+
+    /**
+     * Reference to receiver of remote SDP query results.
+     * Not own.
+     */
+    MBTEngSdpResultReceiver* iResultNotifier;
+
+    };
+
+#endif // BTENGSDPQUERY_H