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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: This class inherits the common functionalities for requests to the |
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15 * Location Monitor from EPos_CPosLocMonitorReqHandlerBase.h and also |
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16 * implements the functions specific to Last Known Position Area request. |
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17 * |
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18 */ |
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19 |
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20 |
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21 |
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22 #ifndef CPOSLASTKNOWNPOSAREAHANDLER_H_ |
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23 #define CPOSLASTKNOWNPOSAREAHANDLER_H_ |
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24 |
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25 //-------------------------------------------------------------------------------------- |
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26 // INCLUDES |
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27 #include <e32base.h> |
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28 #include <e32std.h> |
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29 #include <e32def.h> |
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30 #include <e32cmn.h> |
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31 #include "LbsErrors.h" |
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32 #include "EPos_Global.h" // For DEBUG_TRACE |
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33 #include "EPos_ServerPanic.h" // For EPosServerPanicPositionerNotInitialized |
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34 |
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35 #include "EPos_CPosLocMonitorReqHandlerBase.h" |
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36 #include "rlbslocmonitorsession.h" |
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37 #include "rlbslocmonitorareapositioner.h" |
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38 |
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39 |
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40 //-------------------------------------------------------------------------------------- |
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41 // FORWARD DECLARATIONS |
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42 class CPosCallbackTimer; // Used for timeout |
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43 |
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44 |
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45 //-------------------------------------------------------------------------------------- |
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46 // CONSTANT DEFINITIONS |
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47 // Index of the pointer to a container that holds pointer descriptors, needed to point |
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48 // to the clients request data during asynchronous requests */ |
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49 const TInt KParamLKPAreaReqPos = 0; |
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50 const TInt KParamLKPAreaReqArea = 1; |
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51 |
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52 // The timeout value for get last known position area request is 10seconds |
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53 const TTimeIntervalMicroSeconds KLastKnownPosAreaTimeOut(10000000); |
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54 |
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55 |
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56 //-------------------------------------------------------------------------------------- |
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57 // CLASS DECLARATION |
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58 /** |
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59 The active object that handles requests for last known position with area info from |
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60 clients. Owns subsession with the location monitor and uses the sub-session handle to |
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61 forward the above requests to the location monitor. Inherits the basic functionalities from |
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62 CPosLocMonitorReqHandlerBase. |
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63 */ |
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64 class CPosLastKnownPosAreaHandler : public CPosLocMonitorReqHandlerBase |
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65 { |
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66 public: |
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67 // Two-phased Constructors |
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68 static CPosLastKnownPosAreaHandler* NewL(); |
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69 // Destructors |
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70 ~CPosLastKnownPosAreaHandler(); |
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71 |
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72 // Functions to request last known position with area info from the Location Monitor |
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73 void GetLastKnownPosAreaL(RLbsLocMonitorSession& aLocMonSession, const RMessage2& aMessage); |
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74 void CancelGetLastKnownPosAreaL(const RMessage2& aMessage); |
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75 void NotifyOnEmptyLastKnownPosStoreReq(); |
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76 |
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77 private: |
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78 // C++ Default constructor |
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79 CPosLastKnownPosAreaHandler(); |
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80 void ConstructL(); |
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81 static TInt HandleTimeOut(TAny* aRequestHandler); |
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82 |
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83 protected: |
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84 // From CActive |
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85 void RunL(); |
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86 TInt RunError(TInt aError); |
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87 void DoCancel(); |
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88 |
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89 private: |
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90 RMessage2 iMessage; |
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91 // Subsession with the location monitor |
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92 RLbsLocMonitorAreaPositioner iLocMonAreaPositioner; |
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93 |
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94 TPositionInfo iPositionInfo; |
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95 TPositionAreaExtendedInfo iPositionAreaInfo; |
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96 TPosAreaReqParams iParameters; |
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97 CPosCallbackTimer* iTimeoutTimer; // The timeout value is hardcoded in the constant KLastKnownPosAreaTimeOut |
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98 }; |
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99 #endif /*CPOSLASTKNOWNPOSAREAHANDLER_H_*/ |
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100 |