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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 // |
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15 |
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16 #ifndef OBSRVR_H |
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17 #define OBSRVR_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 CSharedRepository; |
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22 class CServerRepository; |
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23 class CRepositoryTransactor; |
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24 |
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25 #include "inifile.h" |
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26 |
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27 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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28 class CHeapRepository; |
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29 /** |
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30 This simple T class is used to store information regarding |
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31 the keyspace entry in the rofs list with respect to the |
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32 extension used and the mount id order |
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33 */ |
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34 class TRofsFlag |
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35 { |
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36 public: |
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37 TRofsFlag(const TDesC& aExt,TUint8 aMountId):iFlag(aMountId) |
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38 { |
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39 if (aExt.Compare(_L("txt"))==0) |
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40 { |
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41 iFlag |=0x80000000; |
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42 } |
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43 } |
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44 |
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45 static TInt CompareFlag(const TRofsFlag& aFlag1, const TRofsFlag& aFlag2) |
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46 { |
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47 return (aFlag1.iFlag & 0xFF)-(aFlag2.iFlag & 0xFF); |
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48 } |
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49 |
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50 public: |
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51 //the 16 bit flag in format of |8bit cre/txt flag|8bit mount_id| |
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52 //obviously this is assuming the format of the mangled file |
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53 //granulatiry currently set to default of 8 which is reasonable |
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54 //MSB=1 indicates this is txt |
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55 TUint32 iFlag; |
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56 }; |
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57 |
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58 /** |
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59 This class is used to store information about potentially multiple |
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60 files(in diffeernt rofs) used for a centrep keyspace |
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61 */ |
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62 class TMultiRofsList |
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63 { |
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64 public: |
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65 TMultiRofsList(TUid aUid):iRepUid(aUid){} |
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66 |
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67 public: |
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68 //repository uid |
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69 TUid iRepUid; |
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70 //list of the mount ids together with the extension(cre/txt) |
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71 RArray<TRofsFlag> iMountFlagList; |
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72 }; |
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73 #endif |
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74 |
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75 class MObserver |
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76 { |
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77 public: |
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78 virtual void Notify(TUint32 aId) = 0; |
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79 }; |
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80 |
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81 class CObservable : public CBase |
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82 { |
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83 public: |
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84 static CObservable* NewLC(); |
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85 |
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86 ~CObservable(); |
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87 |
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88 void AddObserverL(TUid aUid, CServerRepository* aRepositoryPointer); |
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89 void RemoveObserver(TUid aUid, CServerRepository* aRepositoryPointer, TInt aInMemoryIndex); |
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90 |
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91 void Notify(TUid aUid, TUint32 aVal) const; |
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92 |
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93 TInt FindOpenRepository(TUid aUid) const; |
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94 void RemoveOpenRepository(CSharedRepository* aRepository); |
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95 |
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96 inline CSharedRepository*& GetOpenRepository(TInt aIndex) |
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97 { |
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98 ASSERT((aIndex>=0)&&(aIndex<iOpenRepositories.Count())); |
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99 return iOpenRepositories[aIndex]; |
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100 } |
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101 inline void AddOpenRepositoryL(CSharedRepository* aRepository) |
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102 { |
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103 iOpenRepositories.AppendL(aRepository); |
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104 } |
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105 |
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106 TInt FindConnectedRepository(TUid aUid) const; |
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107 |
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108 #ifdef CACHE_OOM_TESTABILITY |
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109 void CloseiOpenRepositories(); |
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110 void CloseiRepositoryInfo(); |
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111 void Reset(); |
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112 TBool iTrapOOMOnOpen; |
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113 #endif |
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114 |
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115 CSharedRepository* AccessL(TUid aUid, TBool aFailIfNotFound = ETrue); |
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116 void LoadRepositoryLC(TUid aUid, TBool aFailIfNotFound, CSharedRepository*& aRepository, CIniFileIn::TIniFileOpenMode aIniFileOpenMode); |
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117 |
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118 /** |
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119 @internalTechnology |
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120 This is the class/structure which keeps shared non-persisted repository data |
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121 */ |
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122 class TSharedRepositoryInfo |
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123 { |
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124 public: |
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125 TSharedRepositoryInfo(TUid aUid); |
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126 TUid iRepositoryUid; |
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127 // all transactors in the order added |
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128 TSglQue<CRepositoryTransactor> iTransactors; |
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129 // combined read/write lock for pessimistic transactions. |
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130 // -1 if in EReadWriteTransaction, otherwise non-negative number of EReadTransactions. |
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131 TInt iPessimisticTransactionLockCount; |
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132 // count of active concurrent read/write transactions: |
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133 TInt iNumActiveConcurrentReadWriteTransactions; |
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134 |
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135 |
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136 }; |
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137 |
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138 TSharedRepositoryInfo* SharedRepositoryInfo(TUid aUid); |
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139 void AddSharedRepositoryInfoL(TUid aUid); |
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140 void RemoveSharedRepositoryInfo(TUid aUid); |
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141 TInt CreateRepositoryL(CSharedRepository* aRepository, TCentRepLocation aLocation); |
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142 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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143 void ProcessMultiRofsListL(const CDir& aList); |
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144 static TInt CompareUid(const TMultiRofsList& aUid1, const TMultiRofsList& aUid2); |
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145 RArray<TMultiRofsList>& GetMultiRofsList() |
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146 { |
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147 return iMultiRofsUidList; |
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148 } |
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149 #endif |
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150 |
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151 /** |
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152 @internalTechnology |
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153 This is the class/structure which keeps notification-related data |
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154 */ |
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155 class TRepositoryObserverInfo |
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156 { |
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157 public: |
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158 TUid iRepositoryUid; |
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159 CServerRepository* iRepositoryPointer; |
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160 }; |
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161 RArray<TRepositoryObserverInfo> iObservers; |
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162 private: |
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163 static TInt ObserverSortOrder(const TRepositoryObserverInfo &aRepository1, const TRepositoryObserverInfo &aRepository2); |
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164 static TInt InfoSortOrder(const TSharedRepositoryInfo &aRepository1, const TSharedRepositoryInfo &aRepository2); |
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165 static TInt CompareTUidValues(TInt aUid1, TInt aUid2); |
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166 |
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167 TInt ReadIniFileL(CSharedRepository*& aRepository,TCentRepLocation aLocation); |
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168 TInt CreateRepositoryL(CSharedRepository*& aRepository, CIniFileIn::TIniFileOpenMode aIniFileOpenMode); |
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169 TInt ReadSettingsL(CIniFileIn* aIniFileIn, CSharedRepository* aRep); |
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170 |
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171 TInt FindRepositoryInfo(TUid aUid); |
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172 void RefreshTransactorAccessPolicies(CSharedRepository* aRepository, const TInt offset); |
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173 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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174 //Multi ROFS stuff |
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175 void ConstructL(); |
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176 void OverrideSettingL(TServerSetting& aBaseSetting,const TServerSetting& aOvSetting,CSharedRepository* aCoreRepository,TBool aNewOv,TBool aNewOvIndivPolicy); |
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177 void MergeRepositoryL(CSharedRepository* aCoreRepository,CHeapRepository* aOverrideRepository); |
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178 void MergeMultiRofsL(TBool aCoreInitialized,CSharedRepository* aCoreRepository,const RArray<TRofsFlag>& aOverridingFileList); |
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179 #endif |
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180 |
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181 private: |
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182 enum {KGranularity=8}; |
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183 RPointerArray<CSharedRepository> iOpenRepositories; |
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184 RPointerArray<TSharedRepositoryInfo> iRepositoryInfo; |
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185 #ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS |
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186 RArray<TMultiRofsList> iMultiRofsUidList; |
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187 #endif |
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188 }; |
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189 |
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190 #endif // OBSRVR_H |