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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 __SSMSWPINDIVIDUALTRANSITIONSCHEDULER_H__ |
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17 #define __SSMSWPINDIVIDUALTRANSITIONSCHEDULER_H__ |
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18 |
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19 #include <e32base.h> |
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20 |
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21 class CSsmSwpTransitionEngine; |
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22 class MSwpSchedulerMonitor; |
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23 |
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24 class CSsmSwpTransitionScheduler; |
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25 |
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26 /** |
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27 The scheduler class is responsible for submitting and scheduling transitions sequencially |
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28 If transition is active, the scheduler will queue the transition until all active |
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29 and queued transitions have been completed. |
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30 |
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31 @internalComponent |
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32 @released |
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33 */ |
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34 class CSsmSwpIndividualTransitionScheduler : public CActive |
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35 { |
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36 |
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37 public: |
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38 // methods |
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39 static CSsmSwpIndividualTransitionScheduler* NewLC(TUint aSwpKey, MCleSessionProxy* aCleSession, CSsmSwpTransitionScheduler& aParent); |
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40 ~CSsmSwpIndividualTransitionScheduler(); |
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41 |
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42 void SubmitL(CSsmSwpTransitionEngine* aEngine); // takes ownership |
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43 void Cancel(CSession2* aSession); |
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44 |
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45 TUint SwpKey() const; |
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46 TBool IsIdle() const; |
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47 protected: |
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48 //from CActive |
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49 void DoCancel(); |
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50 void RunL(); |
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51 TInt RunError(TInt aError); |
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52 |
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53 private: |
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54 // methods |
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55 CSsmSwpIndividualTransitionScheduler(TUint aSwpKey, CSsmSwpTransitionScheduler& aParent); // only accessible from factory methods |
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56 void ConstructL(MCleSessionProxy* aCleSession); |
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57 void DoSubmitL(CSsmSwpTransitionEngine* aEngine); |
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58 void ScheduleTransition(); |
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59 CSsmSwpTransitionEngine* GetNextFromQueue(); |
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60 void DestroyTransitionQueue(); |
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61 void CancelTransitionQueue(CSession2* aSession); |
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62 TBool CurrentTransitionOriginatesFrom(CSession2* aSession); |
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63 |
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64 void NotifyTransitionQueued(); |
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65 void NotifyTransitionStarted(); |
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66 void NotifyTransitionCompleted(); |
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67 void NotifyTransitionFailed(); |
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68 |
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69 private: |
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70 // constant types |
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71 enum TSchedulerStates |
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72 { |
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73 EIdle, |
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74 ERunningTransition |
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75 }; |
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76 |
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77 private: |
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78 // members |
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79 RPointerArray<CSsmSwpTransitionEngine> iTransitionQueue; |
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80 CSsmSwpTransitionEngine* iCurrentTransition; |
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81 TSchedulerStates iSchedulerState; |
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82 CSession2* iCancellingSession; |
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83 |
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84 MCleSessionProxy* iCleSession; |
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85 CSsmSwpPolicyCliSession* iSsmSwpPolicySession; |
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86 |
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87 TUint iSwpKey; |
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88 CSsmSwpTransitionScheduler& iParent; |
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89 }; |
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90 |
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91 #endif |