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: CMnrpGeocodingService class definition |
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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 #ifndef MNRP_GEOCODINGSERVICE_H |
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20 #define MNRP_GEOCODINGSERVICE_H |
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21 |
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22 #include "mngeocodingservicebase.h" |
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23 |
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24 class CPosLandmark; |
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25 class CMnrpEngine; |
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26 |
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27 /** Implementation of geocoding service (KMnAppGeocodingService). |
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28 * It uses CIdle to simulate asynchronous processing. All the geocoding |
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29 * job is done using the CMnrpEngine class. |
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30 */ |
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31 class CMnrpGeocodingService : public CMnGeocodingServiceBase |
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32 { |
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33 public : |
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34 static CMnrpGeocodingService* NewL( CMnrpEngine& aEngine ); |
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35 |
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36 protected : |
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37 CMnrpGeocodingService( CMnrpEngine& aEngine ); |
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38 virtual ~CMnrpGeocodingService(); |
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39 |
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40 void ConstructL(); |
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41 |
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42 /** Prevents parallel asynchronous requests */ |
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43 void LeaveIfBusyL(); |
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44 /** Starts processing of new request by starting CIdle.*/ |
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45 void StartProcessingL(); |
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46 /** Callback for CIdle. Parameter is the pointer to this. */ |
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47 static TInt GeocodingProcessingCallBack( TAny* aPtr ); |
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48 /** Non-leaving part of geocoding. Calls FinishProcessingL and if |
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49 * it leaves, completes client's request with error.*/ |
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50 void HandleGeocodingCompleted(); |
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51 /** Does the geocoding and completes user's request.*/ |
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52 void FinishProcessingL(); |
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53 |
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54 /** Asks user to select one of best Coord to Addr matches */ |
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55 CPosLandmark* LetUserSelectBestMatchL( const CPosLandmark& aReference ); |
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56 |
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57 protected: // from CMnGeocodingServiceBase |
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58 |
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59 /** Handles client's request for finding address by given coordinate. */ |
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60 void HandleFindAddressByCoordinateL( const CPosLandmark& aLandmark ); |
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61 |
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62 /** Handles client's request for finding coordinate by given address. */ |
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63 void HandleFindCoordinateByAddressL( const CPosLandmark& aLandmark ); |
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64 |
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65 /** Handles client's request for finding coordinate by given address. */ |
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66 void HandleFindCoordinateByAddressL( const TDesC& aAddress ); |
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67 |
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68 protected: // from CMnServiceBase |
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69 |
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70 /** Reports that client cancelled request */ |
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71 void DoCancel(); |
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72 |
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73 private: |
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74 CMnrpEngine& iEngine; |
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75 |
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76 enum TServiceType |
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77 { |
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78 ENone, |
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79 ECoordToAddr, |
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80 EAddrToCoord, |
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81 EPlainToCoord |
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82 }; |
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83 |
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84 /** Type of last received request to make correct request to Engine */ |
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85 TServiceType iCurrentService; |
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86 |
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87 /** Keeps client's data */ |
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88 CPosLandmark* iLandmark; |
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89 /** Keeps client's data */ |
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90 HBufC* iPlainAddress; |
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91 |
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92 /** Keeps client's option */ |
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93 TBool iDialogAllowed; |
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94 |
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95 /** Asynchronous geocoding processor */ |
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96 CIdle* iProcessor; |
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97 |
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98 }; |
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99 |
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100 #endif // MNRP_GEOCODINGSERVICE_H |
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101 |
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102 |
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