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1 // Copyright (c) 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: bifchangeobserver.h |
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14 // |
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15 // Author |
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16 // Date |
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17 // |
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18 /** |
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19 * @file |
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20 * Callback interface implementation for BIF files changes. |
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21 * |
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22 * @publishedPartner |
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23 * @released |
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24 */ |
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25 |
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26 #ifndef __BIFCHANGEOBSERVER_H__ |
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27 #define __BIFCHANGEOBSERVER_H__ |
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28 |
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29 class CBIODatabase; |
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30 |
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31 /** Callback interface implemented by classes to receive notifications of BIF files |
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32 changes from CBifChangeObserver. |
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33 |
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34 @publishedPartner |
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35 @released |
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36 */ |
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37 class MBifChangeObserver |
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38 { |
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39 public: |
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40 /** BIF change events. */ |
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41 enum TBifChangeEvent |
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42 { |
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43 /** Unknown change. */ |
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44 EBifChangeUnknown = 0, |
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45 /** BIF added. */ |
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46 EBifAdded, |
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47 /** BIF deleted. */ |
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48 EBifDeleted, |
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49 /** BIF changed. */ |
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50 EBifChanged |
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51 }; |
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52 |
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53 public: |
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54 /** Called when a BIF change occurs. |
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55 |
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56 @param aEvent Change event type |
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57 @param aBioID BIO message type of changed BIF */ |
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58 virtual void HandleBifChangeL(TBifChangeEvent aEvent, TUid aBioID)=0; |
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59 }; |
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60 |
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61 /** Active object that watches for changes made to the installed BIF files. |
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62 |
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63 @publishedPartner |
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64 @released |
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65 */ |
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66 class CBifChangeObserver : public CActive |
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67 { |
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68 public: |
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69 IMPORT_C static CBifChangeObserver* NewL(MBifChangeObserver& aObserver, RFs& aFs); |
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70 IMPORT_C void Start(); |
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71 ~CBifChangeObserver(); |
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72 |
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73 static void CleanupBifArray(TAny* aBifArray); |
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74 |
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75 private: |
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76 // from CActive |
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77 virtual void RunL(); |
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78 virtual void DoCancel(); |
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79 |
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80 private: |
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81 CBifChangeObserver(MBifChangeObserver& aObserver, RFs& aFs); |
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82 void ConstructL(); |
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83 |
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84 void NotifyObserverL(); |
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85 void WaitForFileNotification(); |
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86 void DoRunL(); |
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87 void CopyEntriesL(const CDir& aDir, CArrayFixFlat<TEntry>& aEntries); |
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88 TBool CompareReaders(const CBioInfoFileReader& aReader1, const CBioInfoFileReader& aReader2) const; |
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89 |
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90 TInt FindEntry(const CBifEntry& aBifEntry, const RPointerArray<CBifEntry>& aEntries, TInt& aIndex) const; |
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91 |
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92 private: |
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93 MBifChangeObserver& iChangeObserver; |
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94 RFs& iFs; |
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95 |
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96 RPointerArray<CBifEntry> iEntries; |
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97 |
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98 CBIODatabase* iBioDB; |
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99 RTimer iTimer; |
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100 TInt iRetryCount; |
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101 }; |
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102 |
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103 #endif // __BIFCHANGEOBSERVER_H__ |