1 // Copyright (c) 2004-2009 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 // |
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15 |
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16 /** |
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17 @file |
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18 @internalComponent |
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19 */ |
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20 |
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21 #ifndef REMCONAVRCPSTATUSCONVERTER_H |
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22 #define REMCONAVRCPSTATUSCONVERTER_H |
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23 |
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24 #include <e32base.h> |
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25 #include <remcon/remconconverterinterface.h> |
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26 #include <remcon/remconconverterplugin.h> |
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27 |
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28 // These values are in bytes |
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29 const TUint KUnitIdOffset = 4; |
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30 const TUint KUnitIdLength = 1; |
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31 const TUint KUnitTypeOffset = 4; |
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32 const TUint KUnitTypeLength =1; |
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33 const TUint KUnitTypeExtendOffset = 5; |
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34 const TUint KUnitTypeExtendExtendOffset = 6; |
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35 const TUint KVendorIdBaseOffset = 5; |
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36 const TUint KVendorIdLength = 3; |
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37 const TUint KUnitInfoResponseLength = 8; |
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38 const TUint KRemConStatusApiDefaultPageDataLength = 4; |
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39 |
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40 const TUint KSubunitPageOffset = 3; |
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41 const TUint KSubunitPageLength = 1; |
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42 const TUint KSubunitExtensionOffset = 3; |
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43 const TUint KSubunitExtensionLength = 1; |
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44 const TUint KSubunitPageDataOffset = 4; |
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45 |
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46 // These values are in bits |
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47 const TUint KUnitTypeShift = 3; |
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48 |
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49 // Defined values for comparison |
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50 const TUint KUnitTypeExtend = 0x1e; |
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51 const TUint KUnitTypeExtendExtend = 0xff; |
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52 const TUint KSubunitPageMask = 0xf8; |
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53 const TUint KSubunitExtensionMask = 0x7; |
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54 |
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55 const TUint KRemConStatusApiDefaultVendorId = 0xffffff; |
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56 const TUint KRemConStatusApiDefaultPageData = 0xffffff48; |
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57 |
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58 _LIT(KStatusConverterPanicName, "Stat Conv Panic"); |
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59 |
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60 enum TStatusConverterPanic |
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61 { |
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62 EStatusConverterWrongInterface = 0, |
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63 EStatusConverterDataTooShort = 1, |
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64 EAvrcpPassedTooSmallABuffer = 2, |
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65 }; |
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66 |
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67 class CAVCFrame; |
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68 NONSHARABLE_CLASS(CRemConAvrcpStatusConverter) : public CRemConConverterPlugin, public MRemConConverterInterface |
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69 { |
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70 public: |
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71 static CRemConAvrcpStatusConverter* NewL(); |
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72 ~CRemConAvrcpStatusConverter(); |
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73 |
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74 private: // from CRemConConverterPlugin |
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75 TAny* GetInterface(TUid aUid); |
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76 |
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77 // from MRemConConverterInterface |
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78 TInt InterfaceToBearer(TUid aInterfaceUid, |
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79 TUint aOperationId, |
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80 const TDesC8& aData, |
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81 TRemConMessageType aMsgType, |
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82 TDes8& aBearerData) const; |
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83 |
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84 TInt BearerToInterface(const TDesC8& aBearerData, |
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85 TUid& aInterfaceUid, |
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86 TUint& aOperationId, |
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87 TRemConMessageType& aMsgType, |
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88 TDes8& aData) const; |
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89 |
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90 TBool SupportedUids(const TUid& aInterfaceUid, |
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91 const TUid& aBearerUid) const; |
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92 TBool SupportedInterface(const TDesC8& aInterfaceData, |
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93 const TUid& aBearerUid) const; |
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94 |
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95 private: |
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96 CRemConAvrcpStatusConverter(); |
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97 |
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98 static CAVCFrame* UnitInfoL(); |
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99 static CAVCFrame* SubunitInfoL(); |
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100 |
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101 static void SetUnitInfoResponseDataL(const TDesC8& aBearerData, |
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102 TDes8& aRemConData); |
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103 static void SetSubunitInfoResponseDataL(const TDesC8& aBearerData, |
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104 TDes8& aRemConData); |
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105 |
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106 static void ReadCommandDataToInt(const TDesC8& aCommandData, |
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107 TInt aOffset, TInt aLength, TInt& aValue); |
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108 static void SetCommandDataFromInt(TDes8& aCommandData, |
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109 TInt aOffset, TInt aLength, TInt aValue); |
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110 |
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111 static void Panic(TStatusConverterPanic aPanic); |
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112 }; |
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113 |
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114 #endif // REMCONAVRCPSTATUSCONVERTER_H |
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