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1 /* |
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2 * Copyright (c) 2008-2009 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: The data source mds class |
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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 |
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21 /** |
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22 * @author Simon Brooks, Alex Birkett |
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23 */ |
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24 |
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25 /** |
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26 * @internal reviewed 10/07/2007 by M Byrne |
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27 */ |
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28 |
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29 #ifndef _C_GLXDATASOURCEMDS_H_ |
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30 #define _C_GLXDATASOURCEMDS_H_ |
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31 |
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32 // INCLUDES |
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33 #include <e32base.h> |
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34 #include <w32std.h> |
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35 #include <e32property.h> |
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36 |
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37 #include <e32cmn.h> |
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38 #include <f32file.h> |
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39 |
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40 #include <mdesession.h> |
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41 |
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42 #include <harvesterclient.h> |
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43 #include <harvestereventenum.h> |
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44 |
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45 #include <mglxtnstorage.h> |
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46 #include <mpxcollectionmessagedefs.h> |
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47 |
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48 #ifdef USE_S60_TNM |
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49 #include <thumbnailmanager.h> |
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50 #include <thumbnailmanagerobserver.h> |
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51 #include <thumbnaildata.h> |
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52 #include <thumbnailobjectsource.h> |
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53 |
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54 #include "mthumbnailfetchrequestobserver.h" |
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55 #endif |
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56 #include "glxdatasource.h" |
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57 |
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58 // FORWARD DECLARATIONS |
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59 class CGlxRequest; |
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60 #ifndef USE_S60_TNM |
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61 class CGlxtnThumbnailCreator; |
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62 class CGlxtnThumbnailDatabase; |
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63 #endif |
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64 class CGlxDataSourceMde ; |
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65 |
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66 // Use this till MDS bug is fixed. Then KMdSPSShutdown is to be used. |
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67 const TUid KHarvesterPSShutdown = { 0x200009F5 } ; |
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68 //const TUid KMdSPSShutdown = { 0x20022E94 }; |
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69 const TInt KMdSShutdown = 0x00000002; // values 1 = shutdown, 0 = restart, normal state |
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70 |
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71 static _LIT_SECURITY_POLICY_PASS(KAllowAllPolicy); |
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72 static _LIT_SECURITY_POLICY_C1(KPowerMgmtPolicy,ECapabilityPowerMgmt); |
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73 |
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74 /** |
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75 * PSCW Listener Observer interface for signaling that MDS has Shutdown/restarted |
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76 */ |
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77 class MGlxMDSShutdownObserver |
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78 { |
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79 public: |
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80 |
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81 virtual void ShutdownNotification(TInt aShutdownState) = 0; |
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82 }; |
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83 |
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84 /** |
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85 * Active object for observing P&S keys |
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86 * |
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87 * @since S60 v5.0 |
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88 */ |
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89 class CGlxMDSShutdownObserver: public CActive |
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90 { |
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91 public: |
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92 |
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93 /** |
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94 * Two-phased constructor. |
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95 * |
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96 * @since S60 v5.0 |
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97 * @return Instance of CGlxMDSShutdownObserver. |
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98 */ |
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99 static CGlxMDSShutdownObserver* NewL( MGlxMDSShutdownObserver& aObserver, const TUid& aKeyCategory, |
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100 const TInt aPropertyKey, TBool aDefineKey); |
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101 |
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102 /** |
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103 * Destructor |
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104 * |
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105 * @since S60 v5.0 |
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106 */ |
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107 virtual ~CGlxMDSShutdownObserver(); |
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108 |
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109 protected: |
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110 |
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111 /** |
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112 * Handles an active object's request completion event. |
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113 * |
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114 * @since S60 v5.0 |
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115 */ |
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116 void RunL(); |
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117 |
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118 /** |
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119 * Implements cancellation of an outstanding request. |
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120 * |
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121 * @since S60 v5.0 |
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122 */ |
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123 void DoCancel(); |
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124 |
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125 private: |
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126 |
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127 /** |
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128 * C++ default constructor |
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129 * |
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130 * @since S60 v5.0 |
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131 * @return Instance of CGlxMDSShutdownObserver. |
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132 */ |
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133 CGlxMDSShutdownObserver( MGlxMDSShutdownObserver& aObserver, const TUid& aKeyCategory, |
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134 const TInt iPropertyKey, TBool aDefineKey); |
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135 |
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136 /** |
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137 * Symbian 2nd phase constructor can leave. |
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138 * |
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139 * @since S60 v5.0 |
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140 */ |
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141 void ConstructL(); |
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142 |
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143 private: |
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144 |
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145 // not own |
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146 MGlxMDSShutdownObserver& iObserver; |
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147 |
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148 const TUid& iKeyCategory; |
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149 RProperty iProperty; |
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150 TInt iPropertyKey; |
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151 |
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152 TBool iDefineKey; |
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153 }; |
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154 |
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155 |
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156 |
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157 // CONSTANTS |
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158 |
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159 // CLASS DECLARATION |
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160 |
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161 /** |
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162 * CGlxDataSourceMde class |
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163 * |
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164 * Data Source Mde is a Meta Data Data Source. |
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165 * @lib GlxDataSourceMde.lib |
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166 * @ingroup collection_component_design |
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167 */ |
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168 class CGlxDataSourceMde : public CGlxDataSource, |
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169 public MMdESessionObserver, |
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170 public MGlxMDSShutdownObserver, |
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171 public MMdEObjectObserver, |
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172 public MMdEObjectPresentObserver, |
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173 public MMdERelationObserver, |
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174 public MMdERelationPresentObserver, |
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175 public MHarvesterEventObserver |
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176 #ifdef USE_S60_TNM |
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177 , public MThumbnailManagerObserver |
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178 #else |
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179 , public MGlxtnThumbnailStorageObserver |
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180 #endif |
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181 { |
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182 public: |
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183 static CGlxDataSourceMde* NewL(); |
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184 |
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185 private: |
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186 ~CGlxDataSourceMde(); |
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187 |
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188 CGlxDataSourceMde(); |
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189 |
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190 void ConstructL(); |
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191 |
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192 public: |
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193 // from CGlxDataSource |
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194 CGlxDataSourceTask* CreateTaskL(CGlxRequest* aRequest, |
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195 MGlxDataSourceRequestObserver& aObserver); |
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196 public: |
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197 // from MHarvesterEventObserver |
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198 void HarvestingUpdated( |
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199 HarvesterEventObserverType aHEObserverType, |
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200 HarvesterEventState aHarvesterEventState, |
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201 TInt aItemsLeft ); |
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202 |
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203 #ifdef USE_S60_TNM |
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204 public: |
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205 void FetchThumbnailL(CGlxRequest* aRequest, |
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206 MThumbnailFetchRequestObserver& aObserver); |
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207 TInt CancelFetchThumbnail(); |
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208 #else |
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209 private: |
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210 // from MGlxtnThumbnailStorageObserver |
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211 /** |
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212 * Notify that a given thumbnail is available in storage. |
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213 * @param aId Media item ID. |
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214 * @param aSize Requested thumbnail size. |
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215 */ |
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216 void ThumbnailAvailable(const TGlxMediaId& aId, const TSize& aSize); |
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217 /** |
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218 * Notify that a given thumbnail is available in storage. |
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219 * @param aId Media item ID. |
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220 * @param aSize Thumbnail size. |
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221 */ |
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222 void BackgroundThumbnailError(const TGlxMediaId& aId, TInt aError); |
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223 #endif |
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224 |
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225 private: |
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226 /** |
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227 * from MMdESessionObserver |
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228 */ |
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229 void HandleSessionOpened(CMdESession& aSession, TInt aError); |
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230 |
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231 void HandleSessionError(CMdESession& aSession, TInt aError); |
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232 |
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233 private: // MMdEObjectObserver |
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234 /** |
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235 * See @ref MMdEObjectObserver::HandleObjectNotification |
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236 */ |
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237 void HandleObjectNotification(CMdESession& aSession, |
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238 TObserverNotificationType aType, |
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239 const RArray<TItemId>& aObjectIdArray); |
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240 |
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241 private: // MMdEObjectPresentObserver |
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242 /** |
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243 * See @ref MMdEObjectPresentObserver::HandleObjectPresentNotification |
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244 */ |
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245 void HandleObjectPresentNotification(CMdESession& aSession, |
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246 TBool aPresent, const RArray<TItemId>& aObjectIdArray); |
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247 |
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248 private: // MMdERelationObserver |
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249 /** |
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250 * See @ref MMdERelationObserver::HandleRelationNotification |
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251 */ |
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252 void HandleRelationNotification(CMdESession& aSession, |
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253 TObserverNotificationType aType, |
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254 const RArray<TItemId>& aRelationIdArray); |
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255 |
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256 private: //MMdERelationPresentObserver |
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257 /** |
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258 * See @ref MMdERelationPresentObserver::HandleRelationPresentNotification |
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259 */ |
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260 void HandleRelationPresentNotification(CMdESession& aSession, |
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261 TBool aPresent, const RArray<TItemId>& aRelationIdArray); |
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262 |
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263 #ifdef USE_S60_TNM |
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264 // from MThumbnailManagerObserver |
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265 void ThumbnailPreviewReady( MThumbnailData& aThumbnail, |
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266 TThumbnailRequestId aId ); |
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267 |
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268 void ThumbnailReady( TInt aError, MThumbnailData& aThumbnail, |
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269 TThumbnailRequestId aId ); |
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270 #endif |
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271 |
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272 private: |
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273 void BackgroundThumbnailMessageL(const TGlxMediaId& aId, const TSize& aSize, |
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274 TInt aError); |
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275 |
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276 void DoSessionInitL(); |
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277 |
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278 void AddMdEObserversL(); |
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279 |
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280 void ProcessUpdateArray(const RArray<TItemId>& aArray, TMPXChangeEventType aType, |
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281 TBool aIsObject); |
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282 |
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283 void ProcessItemUpdateL(); |
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284 |
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285 static TInt ProcessItemUpdate(TAny* aPtr); |
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286 void CreateSessionL(); |
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287 |
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288 static TInt CreateSession(TAny* aPtr); |
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289 |
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290 void PrepareMonthsL(); |
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291 void TaskCompletedL(); |
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292 |
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293 void TaskStartedL(); |
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294 |
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295 #ifdef USE_S60_TNM |
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296 /* |
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297 * This function doesnt add up any value, added to reduce compiler warnings |
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298 */ |
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299 void ThumbnailReadyL( TInt aError, MThumbnailData& aThumbnail, |
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300 TThumbnailRequestId aId, TBool aQuality ); |
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301 #endif |
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302 |
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303 public: |
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304 |
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305 void CreateSession(); |
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306 |
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307 inline CMdESession& Session() const; |
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308 |
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309 #ifndef USE_S60_TNM |
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310 inline CGlxtnThumbnailCreator& ThumbnailCreator() const; |
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311 |
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312 inline CGlxtnThumbnailDatabase& ThumbnailDatabase() const; |
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313 #endif |
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314 |
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315 inline RFs& FileServerSession(); |
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316 |
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317 inline const TGlxMediaId& CameraAlbumId() const; |
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318 |
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319 inline const TGlxMediaId& FavoritesId() const; |
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320 |
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321 inline CMdENamespaceDef* NamespaceDef() const; |
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322 |
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323 inline CMdEObjectDef& ObjectDef() const; |
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324 |
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325 inline CMdEObjectDef& ImageDef() const; |
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326 |
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327 inline CMdEObjectDef& VideoDef() const; |
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328 |
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329 inline CMdEObjectDef& AlbumDef() const; |
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330 |
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331 inline CMdEObjectDef& MediaDef() const; |
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332 inline CMdEObjectDef& TagDef() const; |
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333 |
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334 /** |
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335 * Return object definition used to describe months. |
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336 * @return object definition used to describe months. |
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337 */ |
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338 inline CMdEObjectDef& MonthDef() const; |
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339 |
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340 inline CMdERelationDef& ContainsDef() const; |
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341 |
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342 inline CMdERelationDef& ContainsLocationDef() const; |
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343 |
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344 /** |
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345 * Get the location definition. |
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346 * @return location definition. |
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347 */ |
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348 inline CMdEObjectDef& LocationDef() const; |
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349 |
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350 TContainerType ContainerType(CMdEObject* aObject); |
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351 |
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352 TContainerType ContainerType(CMdEObjectDef* aObjectDef); |
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353 |
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354 TItemType ItemType(CMdEObject* aObject); |
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355 |
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356 const TGlxMediaId GetMonthIdL(const TTime& aMonth); |
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357 |
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358 TBool SameMonth(const TTime& aOldDate, const TTime& aNewDate); |
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359 |
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360 TBool ContainerIsLeft(CMdEObjectDef& aObjectDef); |
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361 |
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362 // from MGlxMDSShutdownObserver |
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363 void ShutdownNotification(TInt aShutdownState); |
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364 |
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365 private: |
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366 #ifdef USE_S60_TNM |
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367 MThumbnailFetchRequestObserver* iTnFetchObserver; |
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368 CThumbnailManager* iTnEngine; |
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369 CFbsBitmap* iTnThumbnail; |
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370 CFbsBitmap* iThumbnail; |
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371 TThumbnailRequestId iTnThumbnailCbId; |
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372 TBool iTnRequestInProgress; |
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373 TInt iTnHandle; |
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374 TGlxMediaId iMediaId; |
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375 |
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376 #else |
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377 CGlxtnThumbnailCreator* iThumbnailCreator; |
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378 CGlxtnThumbnailDatabase* iThumbnailDatabase; |
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379 #endif |
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380 |
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381 CMdESession* iSession; |
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382 RFs iFs; |
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383 TBool iSessionOpen; |
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384 TGlxMediaId iCameraAlbumId; |
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385 TGlxMediaId iFavoritesId; |
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386 |
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387 CMdENamespaceDef* iNameSpaceDef; |
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388 CMdEObjectDef* iObjectDef; |
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389 CMdEObjectDef* iImageDef; |
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390 CMdEObjectDef* iVideoDef; |
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391 CMdEObjectDef* iAlbumDef; |
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392 CMdEObjectDef* iMediaDef; |
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393 CMdEObjectDef* iTagDef; |
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394 CMdEObjectDef* iMonthDef; |
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395 /** |
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396 * Location object definition. |
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397 */ |
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398 CMdEObjectDef* iLocationDef; |
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399 CMdERelationDef* iContainsDef; |
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400 CMdERelationDef* iContainsLocationDef; |
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401 |
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402 RArray<TTime> iMonthArray; |
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403 RArray<TGlxMediaId> iMonthList; |
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404 RArray<TItemId> iAddedItems; |
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405 |
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406 TTime iFirstMonth; |
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407 TTime iLastMonth; |
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408 |
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409 CAsyncCallBack* iUpdateCallback; |
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410 |
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411 CAsyncCallBack* iCreateSessionCallback; |
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412 |
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413 struct TUpdateData |
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414 { |
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415 TItemId iId; |
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416 TMPXChangeEventType iType; |
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417 TBool iIsObject; |
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418 }; |
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419 |
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420 RArray<TUpdateData> iUpdateData; |
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421 TBool iPauseUpdate; |
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422 TInt iDeletedCount; |
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423 |
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424 RHarvesterClient iHC; |
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425 TBool iHarvestingOngoing; |
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426 |
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427 CGlxMDSShutdownObserver* iMDSShutdownObserver; |
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428 |
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429 #ifdef _DEBUG |
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430 TTime iStartTime; |
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431 TTime iStopTime; |
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432 #endif |
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433 }; |
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434 |
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435 #include "glxdatasourcemds.inl" |
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436 |
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437 #endif //_C_GLXDATASOURCEMDE_H_ |