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 |
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17 |
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18 /** |
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19 @file |
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20 @publishedAll |
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21 @released |
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22 */ |
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23 |
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24 #ifndef REMCONNOWPLAYINGTARGETBASE_H |
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25 #define REMCONNOWPLAYINGTARGETBASE_H |
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26 |
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27 #include <e32base.h> |
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28 #include <remcon/remconinterfacebase.h> |
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29 #include <remcon/remconinterfaceif.h> |
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30 #include <remconmediabrowsetypes.h> |
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31 |
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32 class CRemConInterfaceSelector; |
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33 class MRemConDatabaseAwareNowPlayingTargetObserver; |
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34 class MRemConDatabaseUnawareNowPlayingTargetObserver; |
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35 class TRemConMessageQueue; |
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36 |
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37 /** |
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38 A parent class for CRemConDatabaseAwareNowPlayingTarget and |
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39 CRemConDatabaseUnawareNowPlayingTarget. |
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40 |
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41 This class is not intended for instantiation. Clients should instead use the |
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42 appropriate derived class - either CRemConDatabaseAwareNowPlayingTarget or |
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43 CRemConDatabaseUnawareNowPlayingTarget. |
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44 |
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45 This class is only to be used by classes currently derived from it. |
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46 |
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47 @see CRemConDatabaseAwareNowPlayingTarget |
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48 @see CRemConDatabaseUnawareNowPlayingTarget |
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49 */ |
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50 NONSHARABLE_CLASS(CRemConNowPlayingTargetBase) : public CRemConInterfaceBase, |
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51 public MRemConInterfaceIf2 |
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52 { |
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53 public: |
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54 IMPORT_C void PlayItemResponse(TInt aErr); |
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55 IMPORT_C void AddToNowPlayingResponse(TInt aErr); |
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56 IMPORT_C void NowPlayingContentChanged(); |
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57 |
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58 protected: |
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59 IMPORT_C virtual ~CRemConNowPlayingTargetBase(); |
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60 |
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61 CRemConNowPlayingTargetBase(CRemConInterfaceSelector& aInterfaceSelector, |
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62 MRemConDatabaseAwareNowPlayingTargetObserver& aObserver); |
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63 |
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64 CRemConNowPlayingTargetBase(CRemConInterfaceSelector& aInterfaceSelector, |
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65 MRemConDatabaseUnawareNowPlayingTargetObserver& aObserver); |
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66 |
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67 virtual void BaseConstructL(); |
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68 |
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69 private: //From CRemConInterfaceBase |
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70 TAny* GetInterfaceIf(TUid aUid); |
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71 |
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72 private: //From MRemConInterfaceIf2 |
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73 void MrcibNewMessage(TUint aOperationId, |
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74 const TDesC8& aData, |
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75 TRemConMessageSubType aMsgSubType); |
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76 |
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77 private: //Utility functions |
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78 void SendResponse(TUint8 aStatus, TUint aOperationId); |
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79 void SendError(TInt aError, TUint aOperationId); |
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80 void SendNotificationResponse(TRemConMessageSubType aMsgSubType); |
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81 |
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82 void ProcessGetStatus(); |
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83 void ProcessGetStatusAndBeginObserving(); |
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84 void ProcessPlayItem(const TDesC8& aData); |
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85 void ProcessAddToNowPlaying(const TDesC8& aData); |
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86 |
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87 TBool ProcessNowPlaying(const TDesC8& aData, |
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88 TUint aOperationId, |
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89 TUint64& aItem, |
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90 TRemConFolderScope& aScope, |
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91 TUint16& aMediaLibraryStateCookie); |
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92 |
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93 static TInt NextMessageCb(TAny* aThis); |
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94 void DoNextMessage(); |
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95 void AddToOperationQueue(TInt aOperationId, const TDesC8& aData); |
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96 |
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97 private: //Unowned |
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98 MRemConDatabaseAwareNowPlayingTargetObserver* iDaObserver; |
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99 MRemConDatabaseUnawareNowPlayingTargetObserver* iDuObserver; |
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100 CRemConInterfaceSelector& iInterfaceSelector; |
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101 |
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102 private: //Owned |
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103 TBool iNotificationPending; |
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104 RBuf8 iOutBuf; |
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105 |
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106 TBool iInProgress; |
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107 TRemConMessageQueue* iMsgQueue; |
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108 CAsyncCallBack* iNextMessageCallBack; |
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109 }; |
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110 |
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111 #endif //REMCONNOWPLAYINGTARGETBASE_H |
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