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1 // Copyright (c) 2008-2009 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 #ifndef PLAYERSTATEWATCHER_H |
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17 #define PLAYERSTATEWATCHER_H |
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18 |
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19 #include <e32base.h> |
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20 #include <e32hashtab.h> |
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21 #include <remcon/clientid.h> |
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22 #include <playerinformationtargetobserver.h> |
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23 #include "commandhandlerinterface.h" |
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24 |
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25 class MRemConCommandInterface; |
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26 class CInternalCommand; |
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27 class CAvrcpCommand; |
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28 NONSHARABLE_CLASS(CPlayerWatcherBase) : public CBase, public MIncomingCommandHandler |
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29 { |
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30 public: |
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31 virtual void StartWatchingPlayerL(TRemConClientId aClientId) = 0; |
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32 void StopWatchingPlayer(TRemConClientId aClientId); |
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33 |
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34 protected: |
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35 virtual void ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData) = 0; |
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36 virtual void ReceiveReject(TRemConClientId aClientId) = 0; |
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37 |
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38 private: // from MIncomingCommandHandler |
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39 |
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40 // lower interface |
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41 void MessageSent(CAvrcpCommand& aCommand, TInt aSendResult); |
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42 void MaxPacketSize(TInt aMtu); |
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43 void ReceiveCommandL(const TDesC8& aMessageInformation, SymbianAvctp::TTransactionLabel aTransLabel, const TBTDevAddr& aAddr); |
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44 |
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45 // upper interface |
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46 TInt SendRemConResponse(TUid aInterfaceUid, TUint aTransactionId, RBuf8& aData) ; |
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47 void SendReject(TUid aInterfaceUid, TUint aTransactionId); |
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48 void Disconnect(); |
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49 |
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50 protected: |
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51 CPlayerWatcherBase(MRemConCommandInterface& aCommandInterface); |
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52 ~CPlayerWatcherBase(); |
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53 |
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54 private: |
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55 CInternalCommand& FindCommand(TUid aInterfaceUid, TUint aTransactionId, |
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56 TRemConClientId& aFoundClientId); |
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57 |
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58 |
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59 protected: |
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60 MRemConCommandInterface& iCommandInterface; |
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61 RHashMap<TRemConClientId, CInternalCommand*> iCommands; |
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62 }; |
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63 |
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64 NONSHARABLE_CLASS(MPlayStatusObserver) |
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65 { |
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66 public: |
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67 virtual void MpsoPlayStatusChanged(TRemConClientId aId, MPlayerEventsObserver::TPlaybackStatus aPlaybackStatus) = 0; |
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68 virtual void MpsoError(TRemConClientId aId) = 0; |
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69 }; |
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70 |
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71 NONSHARABLE_CLASS(CPlayStatusWatcher) : public CPlayerWatcherBase |
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72 { |
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73 public: |
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74 static CPlayStatusWatcher* NewL(MPlayStatusObserver& aObserver, |
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75 MRemConCommandInterface& aCommandInterface); |
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76 ~CPlayStatusWatcher(); |
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77 |
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78 void StartWatchingPlayerL(TRemConClientId aClientId); |
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79 |
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80 private: |
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81 CPlayStatusWatcher(MPlayStatusObserver& aObserver, |
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82 MRemConCommandInterface& aCommandInterface); |
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83 |
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84 void SendPlayStatusUpdateRequest(CInternalCommand& aCommand, TRemConClientId& aClientId, MPlayerEventsObserver::TPlaybackStatus aPlaybackStatus); |
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85 void ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData); |
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86 void ReceiveReject(TRemConClientId aClientId); |
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87 |
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88 private: |
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89 MPlayStatusObserver& iObserver; |
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90 }; |
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91 |
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92 |
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93 NONSHARABLE_CLASS(MUidObserver) |
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94 { |
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95 public: |
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96 virtual void MuoUidChanged(TRemConClientId aId, TUint16 aUidCounter) = 0; |
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97 virtual void MuoError(TRemConClientId aId) = 0; |
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98 }; |
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99 |
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100 NONSHARABLE_CLASS(CUidWatcher) : public CPlayerWatcherBase |
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101 { |
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102 public: |
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103 static CUidWatcher* NewL(MUidObserver& aObserver, |
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104 MRemConCommandInterface& aCommandInterface); |
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105 ~CUidWatcher(); |
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106 |
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107 void StartWatchingPlayerL(TRemConClientId aClientId); |
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108 |
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109 private: |
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110 CUidWatcher(MUidObserver& aObserver, |
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111 MRemConCommandInterface& aCommandInterface); |
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112 |
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113 void SendUidUpdateRequest(CInternalCommand& aCommand, TRemConClientId& aClientId, TUint16 aUidCounter); |
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114 void ReceiveUpdate(CInternalCommand& aCommand, TRemConClientId aClientId, RBuf8& aData); |
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115 void ReceiveReject(TRemConClientId aClientId); |
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116 |
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117 private: |
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118 MUidObserver& iObserver; |
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119 }; |
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120 |
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121 #endif //PLAYERSTATEWATCHER_H |