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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Part of SyncML Data Synchronization Plug In Adapter |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef __MEDIADATASTORE_H__ |
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21 #define __MEDIADATASTORE_H__ |
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22 |
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23 // INCLUDES |
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24 #include <smldataprovider.h> |
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25 #include <mpxcollectionobserver.h> |
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26 |
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27 #include "mediadsproviderdefs.h" |
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28 #include "changefinder.h" |
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29 #include "mediamanager.h" |
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30 #include "cmdemanager.h" |
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31 |
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32 // FORWARD DECLARATIONS |
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33 class CNSmlDataItemUidSet; |
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34 class MMPXHarvesterUtility; |
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35 class MMPXCollectionUtility; |
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36 class CMPXCollectionMediator; |
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37 |
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38 |
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39 /** |
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40 * @brief This class is derived from ECom Data Store plugin-interface (CSmlDataStore). |
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41 * It performs the actual synchronization commands, which are received from |
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42 * the DS engine. |
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43 */ |
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44 class CMediaDsDataStore : public CSmlDataStore, |
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45 public MMediaManagerObserver, |
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46 public MMdEManagerObserver |
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47 { |
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48 public: |
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49 |
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50 /** |
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51 * Constructor |
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52 * |
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53 * @return CMediaDsDataStore* instance. |
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54 */ |
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55 static CMediaDsDataStore* NewLC( RFs& aFs ); |
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56 |
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57 /** |
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58 * Destructor |
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59 */ |
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60 virtual ~CMediaDsDataStore(); |
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61 |
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62 protected: |
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63 |
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64 // Virtual functionality from CSmlDataStore, for comments see the CSmlDataStore header file |
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65 virtual void DoOpenL(const TDesC& aStoreName, MSmlSyncRelationship& aContext, TRequestStatus& aStatus); |
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66 virtual void DoCancelRequest(); |
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67 virtual const TDesC& DoStoreName() const; |
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68 virtual void DoBeginTransactionL(); |
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69 virtual void DoCommitTransactionL(TRequestStatus& aStatus); |
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70 virtual void DoRevertTransaction(TRequestStatus& aStatus); |
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71 virtual void DoBeginBatchL(); |
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72 virtual void DoCommitBatchL(RArray<TInt>& aResultArray, TRequestStatus& aStatus); |
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73 virtual void DoCancelBatch(); |
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74 virtual void DoSetRemoteStoreFormatL(const CSmlDataStoreFormat& aServerDataStoreFormat); |
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75 virtual void DoSetRemoteMaxObjectSize(TInt aServerMaxObjectSize); |
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76 virtual TInt DoMaxObjectSize() const; |
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77 virtual void DoOpenItemL(TSmlDbItemUid aUid, TBool& aFieldChange, TInt& aSize, |
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78 TSmlDbItemUid& aParent, TDes8& aMimeType, TDes8& aMimeVer, TRequestStatus& aStatus); |
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79 virtual void DoCreateItemL(TSmlDbItemUid& aUid, TInt aSize, TSmlDbItemUid aParent, |
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80 const TDesC8& aMimeType, const TDesC8& aMimeVer, TRequestStatus& aStatus); |
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81 virtual void DoReplaceItemL(TSmlDbItemUid aUid, TInt aSize, TSmlDbItemUid aParent, |
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82 TBool aFieldChange, TRequestStatus& aStatus); |
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83 virtual void DoReadItemL(TDes8& aBuffer); |
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84 virtual void DoWriteItemL(const TDesC8& aData); |
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85 virtual void DoCommitItemL(TRequestStatus& aStatus); |
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86 virtual void DoCloseItem(); |
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87 virtual void DoMoveItemL(TSmlDbItemUid aUid, TSmlDbItemUid aNewParent, TRequestStatus& aStatus); |
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88 virtual void DoDeleteItemL(TSmlDbItemUid aUid, TRequestStatus& aStatus); |
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89 virtual void DoSoftDeleteItemL(TSmlDbItemUid aUid, TRequestStatus& aStatus); |
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90 virtual void DoDeleteAllItemsL(TRequestStatus& aStatus); |
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91 virtual TBool DoHasSyncHistory() const; |
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92 virtual const MSmlDataItemUidSet& DoAddedItems() const; |
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93 virtual const MSmlDataItemUidSet& DoDeletedItems() const; |
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94 virtual const MSmlDataItemUidSet& DoSoftDeletedItems() const; |
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95 virtual const MSmlDataItemUidSet& DoModifiedItems() const; |
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96 virtual const MSmlDataItemUidSet& DoMovedItems() const; |
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97 virtual void DoResetChangeInfoL(TRequestStatus& aStatus); |
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98 virtual void DoCommitChangeInfoL(TRequestStatus& aStatus, const MSmlDataItemUidSet& aItems); |
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99 virtual void DoCommitChangeInfoL(TRequestStatus& aStatus); |
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100 |
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101 protected: // from MMPXCollectionObserver |
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102 void HandleCollectionMessage(CMPXMessage* aMsg, TInt /*aErr*/) ; |
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103 void HandleOpenL(const CMPXMedia& aEntries, |
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104 TInt aIndex,TBool aComplete,TInt aError); |
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105 void HandleOpenL(const CMPXCollectionPlaylist& aPlaylist,TInt aError); |
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106 void HandleCommandComplete(CMPXCommand* /*aCommandResult*/, |
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107 TInt /*aError*/); |
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108 void HandleCollectionMediaL(const CMPXMedia& aMedia, |
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109 TInt aError); |
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110 // from MMediaManagerObserver |
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111 void RegisterAllPlayListsCompleted( TInt aError ); |
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112 void RegisterAllSongsCompleted( TInt aError ); |
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113 |
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114 protected: // from MMdEManagerObserver |
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115 void AlbumsReaded( TInt aError ); |
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116 void AlbumReplaced( TInt aError ); |
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117 |
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118 private: |
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119 |
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120 /** |
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121 * C++ Constructor. |
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122 */ |
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123 CMediaDsDataStore( RFs& aFs ); |
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124 |
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125 /** |
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126 * 2nd-phase Constructor. |
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127 * |
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128 * @param aMsvSession IN: a session handle to message store |
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129 */ |
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130 void ConstructL(); |
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131 |
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132 /** |
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133 * Registers snapshot to ChangeFinder. |
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134 */ |
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135 void RegisterSnapshotL(); |
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136 |
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137 void RegisterFoldersL( CSnapshotArray& aItemArray ); |
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138 |
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139 void FinalizeOpenStore(); |
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140 |
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141 inline TInt MapSyncIdToAlbumId( TSmlDbItemUid aSyncId ); |
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142 inline TSmlDbItemUid MapAlbumIdToSyncId( TInt aAlbumId ); |
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143 |
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144 private: // Data members |
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145 |
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146 |
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147 enum TState |
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148 { |
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149 EClosed = 0, |
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150 EOpening, |
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151 EOpenAndWaiting, |
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152 EReplace, |
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153 ECreatePlaylist |
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154 }; |
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155 |
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156 /** |
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157 * The state of the plugin. |
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158 */ |
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159 TState iCurrentState; |
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160 |
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161 /** |
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162 * A flag indicating the existence of synchronization history. |
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163 */ |
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164 TBool iHasHistory; |
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165 |
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166 /** |
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167 * Key that is used in sorting snapshot. |
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168 */ |
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169 const TKeyArrayFix iKey; |
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170 |
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171 /** |
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172 * Change finder, used to determine db modifications. |
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173 */ |
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174 CChangeFinder* iChangeFinder; |
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175 |
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176 /** |
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177 * The location for temporary data |
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178 */ |
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179 CBufFlat* iDataBuffer; |
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180 |
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181 /** |
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182 * Current read position at the data chunk from MMS engine |
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183 */ |
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184 TInt iReadPosition; |
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185 |
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186 /** |
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187 * Indicates wheter this was only status update |
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188 */ |
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189 TInt iWrittenDataLength; |
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190 |
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191 /** |
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192 * Stores the currently active message id. |
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193 */ |
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194 TSmlDbItemUid iCurrentId; |
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195 |
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196 /** |
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197 * Pointer to the variable, receiving the created Uid. |
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198 */ |
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199 TSmlDbItemUid* iCreatedUid; |
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200 |
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201 /** |
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202 * Stores the parent id of currently active message. |
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203 */ |
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204 TSmlDbItemUid iParentId; |
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205 |
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206 /** |
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207 * Used to get asynchronous return values. |
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208 */ |
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209 TRequestStatus* iCallerStatus; |
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210 |
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211 /** |
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212 * Used to store new items. |
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213 */ |
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214 CNSmlDataItemUidSet* iNewItems; |
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215 |
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216 /** |
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217 * Used to store deleted items. |
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218 */ |
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219 CNSmlDataItemUidSet* iDeletedItems; |
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220 |
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221 /** |
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222 * Used to store updated items. |
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223 */ |
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224 CNSmlDataItemUidSet* iUpdatedItems; |
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225 |
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226 /** |
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227 * Used to store moved items. |
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228 */ |
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229 CNSmlDataItemUidSet* iMovedItems; |
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230 |
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231 /** |
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232 * Used to store soft-deleted items (not supported). |
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233 */ |
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234 CNSmlDataItemUidSet* iSoftDeletedItems; |
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235 |
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236 /** |
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237 * Used to manage playlists and songs. |
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238 */ |
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239 CMediaManager* iMediaManager; |
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240 TBool iMediaManagerReady; |
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241 |
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242 /** |
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243 * Used to manage photo albums. |
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244 */ |
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245 CMdEManager* iMdEManager; |
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246 TBool iMdEManagerReady; |
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247 |
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248 TInt iError; |
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249 |
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250 CMD5* iHasher; |
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251 |
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252 RFs& iFs; |
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253 |
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254 CSnapshotArray* iSnapshot; |
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255 TSnapshotItem iItemInReplacement; |
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256 }; |
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257 |
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258 #endif // __MEDIADATASTORE_H__ |