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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Definition of assistance data channel component. |
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15 // |
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16 // |
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17 |
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18 /** |
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19 @file |
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20 @internalTechnology |
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21 @released |
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22 */ |
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23 |
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24 #ifndef AGPSCHANNEL_H_ |
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25 #define AGPSCHANNEL_H_ |
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26 |
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27 #include <e32hashtab.h> |
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28 #include "lbscommoninternaldatatypes.h" |
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29 #include "lbsnetinternalapi.h" |
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30 #include "lbsassistancedatacacheapi.h" |
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31 |
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32 #include "lbsagpsngmsgs.h" |
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33 |
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34 // |
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35 // Asssitance Data Channel |
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36 // |
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37 |
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38 /** Observer for the A-GPS interface |
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39 */ |
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40 class MAgpsObserver |
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41 { |
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42 public: |
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43 virtual void OnAssistanceDataRequest(TLbsAsistanceDataGroupInt aDataItemMask) = 0; |
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44 virtual void OnSelfLocationRequest(const TLbsNetSessionIdInt& aSessionId, const TLbsNetPosRequestOptionsAssistanceInt& aOptions) = 0; |
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45 virtual void OnSelfLocationCancel(const TLbsNetSessionIdInt& aSessionId, TInt aReason) = 0; |
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46 virtual void OnSystemStatusAdvice(TBool aTracking) = 0; |
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47 }; |
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48 |
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49 /** |
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50 Buffers incoming assistance data msgs. |
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51 Used when a channel is busy. |
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52 */ |
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53 class RAssistanceDataMsgBuffer |
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54 { |
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55 public: |
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56 RAssistanceDataMsgBuffer(); |
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57 void OpenL(); |
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58 void Close(); |
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59 |
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60 void Write(const TLbsNetAssistanceDataResponseMsg& aMsg); |
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61 void Read(TLbsNetAssistanceDataResponseMsg& aMsg); |
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62 TBool IsEmpty() const; |
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63 |
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64 private: |
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65 |
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66 private: |
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67 class TBufferItem |
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68 { |
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69 public: |
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70 TBufferItem(); |
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71 |
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72 TBool iValid; |
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73 TInt iReason; |
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74 }; |
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75 RArray<TBufferItem> iBuffer; |
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76 TBool iEmpty; |
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77 TBufferItem iErrGeneric; |
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78 }; |
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79 |
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80 /** Communicates with the AGPS manager over an internal API |
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81 */ |
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82 class CAgpsChannel : public CActive, private MLbsNetChannelObserver |
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83 { |
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84 public: |
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85 static CAgpsChannel* NewL(MAgpsObserver& aObserver); |
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86 ~CAgpsChannel(); |
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87 |
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88 void SendAssistanceDataResponse(TInt aError, |
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89 TLbsAsistanceDataGroupInt aMask, |
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90 const RLbsAssistanceDataBuilderSet& aData); |
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91 void SendSessionComplete(TInt aReason, const TLbsNetSessionIdInt& aSessionId); |
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92 |
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93 private: |
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94 CAgpsChannel(MAgpsObserver& aObserver); |
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95 void ConstructL(); |
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96 |
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97 // from MLbsNetChannelObserver |
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98 void ProcessNetChannelMessage(RLbsNetChannel::TLbsNetChannelId aChannelId, const TLbsNetInternalMsgBase& aMessage); |
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99 |
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100 // from CActive |
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101 void RunL(); |
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102 void DoCancel(); |
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103 TInt RunError(TInt aError); |
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104 |
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105 // Helpers |
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106 void SetAssistanceDataCacheL(const RLbsAssistanceDataBuilderSet& aData); |
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107 |
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108 private: |
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109 TLbsNetSessionCompleteAgpsMsg iSessionCompleteMsgBuffer; |
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110 TBool iSessionCompleteMsgValid; |
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111 RAssistanceDataMsgBuffer iAssistanceDataMsgBuffer; |
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112 |
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113 MAgpsObserver& iObserver; |
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114 RAssistanceDataCache iAssistanceDataCache; |
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115 RLbsNetChannel iAGPSChannel; |
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116 }; |
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117 |
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118 #endif // AGPSCHANNEL_H_ |