epoc32/include/lbsrequestor.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
equal deleted inserted replaced
1:666f914201fb 2:2fe1408b6811
     1 lbsrequestor.h
     1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #ifndef __LBSREQUESTOR_H__
       
    17 #define __LBSREQUESTOR_H__
       
    18 
       
    19 #include <e32base.h>
       
    20 
       
    21 // Forward declarations
       
    22 class RReadStream;
       
    23 class RWriteStream;
       
    24 
       
    25 
       
    26 class CRequestorBase : public CBase
       
    27 /**
       
    28 Each instance of a CRequestor class is used to hold the identity of one
       
    29 of the parties involved requesting the location. The class contains three
       
    30 data fields that indicate:
       
    31 (1) If the requesting party is a "service" or an actual person ("contact").
       
    32 (2) A descriptor that identifiers the requestor and
       
    33 (3) a field that indicates which format the information is in
       
    34     - for example, a telephone number, URL or email address.
       
    35 
       
    36 @publishedAll
       
    37 @released
       
    38  */
       
    39 	{
       
    40 public:
       
    41 	/** defined type for TRequestorType */
       
    42 	typedef TInt TRequestorType;
       
    43 
       
    44 	/** 
       
    45 	TRequestorType
       
    46 	 */
       
    47 	enum _TRequestorType
       
    48 		{
       
    49 		/** Unknown Requestor */
       
    50 		ERequestorUnknown,
       
    51 		/** Requestor of type Service */
       
    52 		ERequestorService,
       
    53 		/** Requestor of type Contact */
       
    54 		ERequestorContact
       
    55 		};
       
    56 
       
    57 	/** defined type for TRequestorFormat */
       
    58 	typedef TInt TRequestorFormat;
       
    59 
       
    60 	/** 
       
    61 	TRequestorFormat
       
    62 	 */
       
    63 	enum _TRequestorFormat
       
    64 		{
       
    65 		/** Requestor format unknown */
       
    66 		EFormatUnknown,
       
    67 		/** EFormatApplication */
       
    68 		EFormatApplication,
       
    69 		/** EFormatTelephone */
       
    70 		EFormatTelephone,
       
    71 		/** EFormatUrl */
       
    72 		EFormatUrl,
       
    73 		/** EFormatMail */
       
    74 		EFormatMail
       
    75 		};
       
    76 
       
    77 	IMPORT_C ~CRequestorBase();
       
    78 
       
    79 	IMPORT_C void SetRequestorL(TRequestorType aType,
       
    80 	                            TRequestorFormat aFormat,
       
    81 	                            const TDesC& aData);
       
    82 	IMPORT_C void GetRequestor(TRequestorType& aType,
       
    83 	                           TRequestorFormat& aFormat,
       
    84 	                           TPtrC& aData) const;
       
    85 
       
    86 	IMPORT_C TRequestorType RequestorType() const;
       
    87 	IMPORT_C TRequestorFormat RequestorFormat() const;
       
    88 	IMPORT_C TDesC& RequestorData() const;
       
    89 
       
    90 	IMPORT_C virtual void InternalizeL(RReadStream& aStream);
       
    91 	IMPORT_C virtual void ExternalizeL(RWriteStream& aStream) const;
       
    92 
       
    93 protected:
       
    94 	IMPORT_C CRequestorBase();
       
    95 
       
    96 	IMPORT_C void ConstructL(TRequestorType aType,
       
    97 							 TRequestorFormat aFormat,
       
    98 							 const TDesC& aData);
       
    99 	// Reserved for future expansion - derived classes should see documentation
       
   100 	// on how this is to be used.
       
   101 	IMPORT_C virtual TAny* ExtendedInterface(TInt aFunctionNumber, TAny* aPtr1, TAny* aPtr2);
       
   102 
       
   103 protected:
       
   104 	/** Requestor type */
       
   105 	TRequestorType   iRequestorType;
       
   106 	/** Requestor format */
       
   107 	TRequestorFormat iFormat;
       
   108 private:
       
   109 	/** This is owned by the CRequestor */
       
   110 	HBufC* iData;
       
   111 	/** Reserved data for future extension */
       
   112 	TAny* iBaseReservedPtr;
       
   113 	};
       
   114 
       
   115 
       
   116 class CRequestor : public CRequestorBase
       
   117 /**
       
   118 CRequestor class for LBS clients
       
   119 @see CRequestorBase 
       
   120 @publishedAll
       
   121 @released
       
   122  */
       
   123 	{
       
   124 public:
       
   125 	IMPORT_C static CRequestor* New(TRequestorType aType,
       
   126 	                                TRequestorFormat aFormat,
       
   127 	                                const TDesC& aData);
       
   128 	IMPORT_C static CRequestor* NewL(TRequestorType aType,
       
   129 	                                 TRequestorFormat aFormat,
       
   130 	                                 const TDesC& aData);
       
   131 	IMPORT_C static CRequestor* NewLC(TRequestorType aType,
       
   132 	                                  TRequestorFormat aFormat,
       
   133 	                                  const TDesC& aData);
       
   134 	IMPORT_C static CRequestor* NewL(RReadStream& aStream);
       
   135 
       
   136 	~CRequestor();
       
   137 
       
   138 private:
       
   139 	CRequestor();
       
   140 	};
       
   141 
       
   142 class RRequestorStack : public RPointerArray<CRequestor>
       
   143 /**
       
   144 Most standard applications will not use the RRequestorStack. Instead,
       
   145 they will call the simpler RPositioner::SetRequestor() method to
       
   146 identify themselves.
       
   147 
       
   148 RRequestorStack will typically only be used if the application needs to
       
   149 identify a chain of requestors. For example, a remote party is requesting
       
   150 the location and this is routed through a local application. In this
       
   151 situation, the application should identify both itself and the remote party.
       
   152 
       
   153 @see RPointerArray
       
   154 @publishedAll
       
   155 @released
       
   156  */
       
   157 	{
       
   158 public:
       
   159 	IMPORT_C void InternalizeL(RReadStream& aStream);
       
   160 	IMPORT_C void ExternalizeL(RWriteStream& aStream) const;
       
   161 
       
   162 private:
       
   163 	static void CleanupResetAndDestroy(TAny* aArray);
       
   164 
       
   165 private:
       
   166 	/** Unused variable for future expansion. */
       
   167 	TUint8 iReserved[8];
       
   168 	};
       
   169 
       
   170 #endif //__LBSREQUESTOR_H__