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1 /* |
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2 * Copyright (c) 2004-2007 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: Contains the CRsBtDiscoverEngine class definition and its observer |
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15 * definition (MBtDiscoveryObserver). |
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16 * |
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17 */ |
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18 |
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19 |
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20 #ifndef CRSBTDISCOVERENGINE_H |
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21 #define CRSBTDISCOVERENGINE_H |
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22 |
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23 #include <e32base.h> |
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24 #include <f32file.h> |
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25 #include <bttypes.h> |
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26 |
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27 #include "imageprint.h" |
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28 #include "cbttimer.h" |
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29 |
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30 class CBtDiscover; |
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31 class CRsBtDevice; |
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32 class CBtDeviceContainer; |
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33 |
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34 #define KMaxDaysForCachedDevice 30 |
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35 |
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36 |
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37 /** |
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38 * \brief Observer interface for device discovery or SDP events. |
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39 * |
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40 * The class which owns the CRsBtDiscoverEngine object implements this interface to get |
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41 * asynchronous notifications of Bluetooth device discovery or Service Discovery Protocol |
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42 * events. |
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43 */ |
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44 class MBtDiscoveryObserver |
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45 { |
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46 public: |
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47 // the values in this enum are subject to change as need crops up |
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48 // the granularity of feedback should be enough to meet UI needs |
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49 |
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50 enum TEvent |
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51 { |
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52 EFoundBtPrinter, |
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53 ERemoveBtPrinter, |
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54 EDoneFindingPrinters, |
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55 EErrorDuringDiscover, |
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56 EErrorFindingDevice, |
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57 EErrorVerifyingBt |
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58 }; |
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59 public: |
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60 virtual void HandleDiscoveryEvent(TInt aEvent,TInt aErrorCode)=0; |
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61 }; |
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62 |
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63 /** |
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64 * \brief Brief Description |
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65 * |
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66 * Detailed Description |
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67 */ |
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68 NONSHARABLE_CLASS( CRsBtDiscoverEngine ): public CActive, public MBtTimerObserver |
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69 { |
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70 public: |
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71 CRsBtDevice& GetDevice(); |
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72 ~CRsBtDiscoverEngine(); |
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73 |
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74 static CRsBtDiscoverEngine* NewL(MBtDiscoveryObserver& aObs); |
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75 void Start(TUint aRequestedProtocols); |
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76 void Stop(); |
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77 |
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78 protected: // from CActive |
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79 void DoCancel(); |
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80 void RunL(); |
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81 TInt RunError(TInt aError); |
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82 |
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83 protected: // from MBtTimerObserver |
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84 void HandleTimeoutL(); |
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85 |
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86 private: |
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87 |
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88 CRsBtDiscoverEngine(MBtDiscoveryObserver& aObs); |
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89 void ConstructL(); |
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90 |
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91 void StartDiscovery(); |
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92 void ContinueDiscovery(); |
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93 |
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94 TBool ComposeDeviceL(); |
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95 void ResetDevice(); |
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96 |
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97 TBool CheckBtDevice(); |
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98 |
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99 void ServiceDiscoveryL(); |
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100 void StopServiceDiscovery(); |
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101 |
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102 private: |
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103 |
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104 enum TState |
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105 { |
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106 EFindingDevices, |
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107 EGettingServices, |
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108 EDelayFindDevices |
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109 }; |
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110 |
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111 private: |
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112 |
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113 /// State we are currently on ESendingCached, EFindingDevices, ERemovingStale, EVerifyServices, EDelayFindDevices. |
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114 TState iState; |
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115 /// This Object implements the Bluetooth Discovery system calls. |
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116 CBtDiscover *iDiscover; |
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117 /// Discovery Events observer. |
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118 MBtDiscoveryObserver& iObserver; |
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119 /// Indicates the position of the current device. |
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120 CRsBtDevice* iDevice; |
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121 |
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122 RArray<TBTDevAddr> iFoundBeforeArray; |
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123 RTimer iDelayFindDevices; |
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124 /// Bitmask of the protocols requested for printing. |
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125 TUint iRequestedProtocols; |
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126 CBtTimer* iTimeout; |
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127 }; |
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128 |
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129 #endif // CRSBTDISCOVERENGINE_H |
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130 |
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131 // End of File |