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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 // class CClientProxy |
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15 // -scheduler's representation of client |
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16 // -contains info scheduler needs to start real client in its own process |
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17 // -reference-counted: deleted when no tasks & no sessions reference it |
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18 // |
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19 // |
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20 |
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21 #ifndef __SCHCLI_H__ |
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22 #define __SCHCLI_H__ |
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23 |
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24 #include <e32base.h> |
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25 |
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26 // Classes referenced |
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27 class RFs; |
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28 class CScheduledTask; |
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29 class RWriteStream; |
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30 class CFileStore; |
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31 class CSchLogManager; |
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32 |
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33 |
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34 /** |
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35 @internalComponent |
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36 */ |
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37 NONSHARABLE_CLASS(CClientProxy) : public CBase |
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38 { |
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39 public: |
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40 static CClientProxy* NewL(RFs& aFsSession, |
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41 RReadStream& aStream, |
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42 CSchLogManager& aLogManager); |
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43 static CClientProxy* NewL(RFs& aFsSession, |
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44 const TDesC& aFileName, |
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45 TInt aPriority, |
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46 CSchLogManager& aLogManager); |
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47 ~CClientProxy(); |
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48 |
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49 private: |
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50 CClientProxy(RFs& aFsSession,CSchLogManager& aLogManager); |
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51 CClientProxy(RFs& aFsSession, TInt aPriority,CSchLogManager& aLogManager); |
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52 void ConstructL(const TDesC& aFileName); |
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53 |
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54 public: |
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55 TBool IsEqual(const TDesC& aFilename, TInt aPriority) const; |
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56 void ExecuteTasks(); |
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57 void AddTask(CScheduledTask& aTask); |
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58 void RemoveTask(CScheduledTask* aTask); |
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59 void RemoveDueTasks(); |
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60 void TransferTasks(CClientProxy& aTargetClient); |
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61 |
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62 // sharing stuff |
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63 inline void DecUsers(); |
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64 inline void IncUsers(); |
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65 inline TInt Users() const; |
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66 |
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67 // execution |
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68 inline void ReadyToExecute(); |
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69 inline TBool IsReadyToExecute() const; |
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70 |
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71 // list capability |
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72 inline static TInt Offset(); |
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73 inline void Remove();// remove youself from que |
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74 |
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75 inline const TDesC& ExecutorFileName() const { return *iFileName; } |
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76 TDblQueIter<CScheduledTask> TaskIterator(); |
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77 TInt Priority() const; |
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78 |
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79 public: |
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80 void InternalizeL(RReadStream& aStream); |
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81 void ExternalizeL(RWriteStream& aStream) const; |
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82 |
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83 private: // internal functions |
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84 void DoExecuteTasksL(); |
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85 CArrayPtr<CScheduledTask>* DueTasksL();// copy the due tasks into an array |
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86 |
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87 // called before running the task |
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88 TInt DoExecuteTasks(const CArrayPtr<CScheduledTask>& aTasks, |
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89 const TDesC& aFileName); |
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90 |
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91 void DoExecuteTasksL(const CArrayPtr<CScheduledTask>& aTasks, |
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92 const TDesC& aFileName, |
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93 const TDesC& aErrorMessage); |
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94 |
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95 void SaveTasksToFileL(const CArrayPtr<CScheduledTask>& aTasks, |
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96 const TDesC& aFileName);// save 'em to a new file |
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97 void SaveTasksL(CFileStore& aStore, const CArrayPtr<CScheduledTask>& aTasks); |
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98 CFileStore* CreateStoreL(const TDesC& aName, TUint aFileMode);// needed so we can call store->CreateLC() in a trap |
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99 |
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100 private: // member data |
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101 RFs& iFsSession; |
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102 TBool iReadyToExecute; |
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103 TInt iUsers;// for sharing |
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104 HBufC* iFileName;// name of supplied ExeDll thingie |
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105 // |
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106 TPriQueLink iPriLink;// owned by scheduler & kept in priority que |
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107 TPriQue<CScheduledTask> iTasks; |
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108 CSchLogManager& iSchLogManager; |
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109 }; |
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110 |
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111 #include "SCHCLI.INL" |
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112 #endif |