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1 // Copyright (c) 2007-2009 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 __CMDMULTIPLEWAIT_H__ |
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17 #define __CMDMULTIPLEWAIT_H__ |
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18 |
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19 #include "ssmcommandbase.h" |
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20 |
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21 class RReadStream; |
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22 class TSsmCommandParameters; |
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23 |
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24 /** |
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25 A command object responsible for checking that all deferred commands in the list preceding |
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26 this multiple wait command have finished. |
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27 Commandlist must be externalized and internalized in order to populate the deferred list |
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28 of MULTIPLE_WAIT command. |
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29 |
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30 @internalComponent |
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31 @released |
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32 */ |
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33 NONSHARABLE_CLASS(CCmdMultipleWait) : public CSsmCommandBase |
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34 { |
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35 public: |
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36 static CCmdMultipleWait* NewL(RReadStream& aReadStream, TArray<MSsmCommand*>& aDeferredCommands); |
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37 static CCmdMultipleWait* NewL(TInt32 aTimeout); |
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38 static CCmdMultipleWait* NewL(TSsmCommandParameters& aCommandParameters); |
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39 #ifdef SYMBIAN_SSM_FLEXIBLE_MERGE |
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40 static CCmdMultipleWait* NewL(TInt32 aTimeout,const TUint16 aPriority); |
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41 #endif |
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42 //Must be used only by CLE to reconstruct the command |
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43 static CCmdMultipleWait* NewLC(const CCmdMultipleWait& aCmdMultipleWait, TArray<MSsmCommand*>& aDeferredCommands); |
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44 ~CCmdMultipleWait(); |
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45 |
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46 // from MSsmCommand |
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47 void Execute(TRequestStatus& aStatus); |
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48 void Release(); |
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49 void ExecuteCancel(); |
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50 TSsmCommandType Type() const; |
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51 void ExternalizeL(RWriteStream& aWriteStream) const; |
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52 |
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53 void HandleTimeoutCallback(); |
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54 inline TInt32 Timeout() const {return iTimeout;} |
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55 |
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56 private: |
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57 enum TStates |
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58 { |
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59 EStateCheckCompletionStatus = 0, |
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60 EStateTakeAction, |
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61 EStateTimerExpired |
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62 }; |
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63 |
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64 //CTOR's |
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65 CCmdMultipleWait(); |
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66 CCmdMultipleWait(TInt32 aTimeout); |
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67 #ifdef SYMBIAN_SSM_FLEXIBLE_MERGE |
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68 CCmdMultipleWait(TInt32 aTimeout, const TUint16 aPriority); |
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69 #endif |
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70 |
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71 //ConstructL's |
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72 void ConstructL(TArray<MSsmCommand*>& aDeferredCommands, RReadStream& aReadStream); |
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73 void ConstructL(TSsmCommandParameters& aCommandParameters); |
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74 void ConstructL(); |
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75 void ConstructL(const CCmdMultipleWait& aCmdMultipleWait, TArray<MSsmCommand*>& aDeferredCommands); |
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76 //helper functions |
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77 void CheckCompletion(); |
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78 void TakeProperAction(); |
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79 void MoveToNextState(TStates aNextState); |
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80 void InternalizeL(RReadStream& aReadStream); |
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81 void Cleanup(); |
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82 static TInt MaxSupportedVersion(); |
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83 |
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84 //AO to handle multiple wait timeout |
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85 class CMultipleWaitTimer : public CTimer |
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86 { |
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87 public: |
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88 static CMultipleWaitTimer* NewL(CCmdMultipleWait& aMultipleWaitCmd); |
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89 ~CMultipleWaitTimer(); |
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90 void StartTimer(TInt32 aTimeout); |
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91 |
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92 protected: |
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93 // from CActive |
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94 void RunL(); |
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95 |
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96 private: |
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97 void ConstructL(); |
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98 CMultipleWaitTimer(CCmdMultipleWait& aMultipleWaitCmd); |
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99 |
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100 private: |
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101 CCmdMultipleWait& iMultipleWaitCmd; |
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102 }; |
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103 |
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104 protected: |
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105 // from CActive |
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106 void RunL(); |
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107 void DoCancel(); |
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108 TInt RunError(TInt aError); |
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109 |
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110 private: |
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111 RPointerArray<MSsmCommand> iDeferredCommands; |
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112 TInt32 iTimeout; |
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113 CMultipleWaitTimer* iMultipleWaitTimer; |
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114 |
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115 // data members for maintaining internal state of multiple wait |
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116 // index of the current deferred command |
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117 TInt iCommandIndex; |
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118 // internal state maintained by MULTIPLE_WAIT command |
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119 TStates iInternalState; |
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120 TInt iCommandError; |
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121 }; |
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122 |
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123 #endif // __CMDMULTIPLEWAIT_H__ |