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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: |
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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 * @author Simon Brooks, Alex Birkett |
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22 */ |
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23 |
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24 /** |
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25 * @internal reviewed 10/07/2007 by M Byrne |
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26 */ |
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27 |
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28 #ifndef _C_GLXDATASOURCEMDS_H_ |
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29 #define _C_GLXDATASOURCEMDS_H_ |
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30 |
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31 // INCLUDES |
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32 #include <e32cmn.h> |
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33 #include <f32file.h> |
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34 |
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35 #include <mdesession.h> |
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36 #include <mglxtnstorage.h> |
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37 #include <mpxcollectionmessagedefs.h> |
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38 |
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39 #ifdef USE_S60_TNM |
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40 #include <thumbnailmanager.h> |
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41 #include <thumbnailmanagerobserver.h> |
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42 #include <thumbnaildata.h> |
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43 #include <thumbnailobjectsource.h> |
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44 |
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45 #include "mthumbnailfetchrequestobserver.h" |
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46 #endif |
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47 |
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48 #include "glxdatasource.h" |
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49 |
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50 // FORWARD DECLARATIONS |
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51 class CGlxRequest; |
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52 |
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53 #ifndef USE_S60_TNM |
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54 class CGlxtnThumbnailCreator; |
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55 class CGlxtnThumbnailDatabase; |
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56 #endif |
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57 |
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58 // CONSTANTS |
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59 |
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60 // CLASS DECLARATION |
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61 |
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62 /** |
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63 * CGlxDataSourceMde class |
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64 * |
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65 * Data Source Mde is a Meta Data Data Source. |
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66 * @lib GlxDataSourceMde.lib |
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67 * @ingroup collection_component_design |
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68 */ |
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69 class CGlxDataSourceMde : public CGlxDataSource, |
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70 public MMdESessionObserver, |
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71 public MMdEObjectObserver, |
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72 public MMdEObjectPresentObserver, |
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73 public MMdERelationObserver, |
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74 public MMdERelationPresentObserver |
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75 #ifdef USE_S60_TNM |
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76 , public MThumbnailManagerObserver |
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77 #else |
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78 , public MGlxtnThumbnailStorageObserver |
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79 #endif |
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80 { |
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81 public: |
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82 static CGlxDataSourceMde* NewL(); |
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83 |
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84 private: |
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85 ~CGlxDataSourceMde(); |
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86 |
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87 CGlxDataSourceMde(); |
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88 |
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89 void ConstructL(); |
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90 |
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91 public: |
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92 // from CGlxDataSource |
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93 CGlxDataSourceTask* CreateTaskL(CGlxRequest* aRequest, MGlxDataSourceRequestObserver& aObserver); |
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94 |
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95 #ifdef USE_S60_TNM |
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96 public: |
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97 void FetchThumbnailL(CGlxRequest* aRequest, MThumbnailFetchRequestObserver& aObserver); |
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98 TInt CancelFetchThumbnail(); |
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99 #else |
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100 private: |
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101 // from MGlxtnThumbnailStorageObserver |
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102 /** |
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103 * Notify that a given thumbnail is available in storage. |
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104 * @param aId Media item ID. |
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105 * @param aSize Requested thumbnail size. |
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106 */ |
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107 void ThumbnailAvailable(const TGlxMediaId& aId, const TSize& aSize); |
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108 /** |
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109 * Notify that a given thumbnail is available in storage. |
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110 * @param aId Media item ID. |
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111 * @param aSize Thumbnail size. |
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112 */ |
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113 void BackgroundThumbnailError(const TGlxMediaId& aId, TInt aError); |
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114 #endif |
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115 |
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116 private: |
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117 /** |
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118 * from MMdESessionObserver |
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119 */ |
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120 void HandleSessionOpened(CMdESession& aSession, TInt aError); |
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121 |
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122 void HandleSessionError(CMdESession& aSession, TInt aError); |
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123 |
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124 private: // MMdEObjectObserver |
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125 /** |
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126 * See @ref MMdEObjectObserver::HandleObjectNotification |
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127 */ |
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128 void HandleObjectNotification(CMdESession& aSession, |
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129 TObserverNotificationType aType, |
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130 const RArray<TItemId>& aObjectIdArray); |
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131 |
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132 private: // MMdEObjectPresentObserver |
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133 /** |
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134 * See @ref MMdEObjectPresentObserver::HandleObjectPresentNotification |
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135 */ |
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136 void HandleObjectPresentNotification(CMdESession& aSession, |
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137 TBool aPresent, const RArray<TItemId>& aObjectIdArray); |
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138 |
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139 private: // MMdERelationObserver |
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140 /** |
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141 * See @ref MMdERelationObserver::HandleRelationNotification |
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142 */ |
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143 void HandleRelationNotification(CMdESession& aSession, |
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144 TObserverNotificationType aType, |
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145 const RArray<TItemId>& aRelationIdArray); |
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146 |
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147 private: //MMdERelationPresentObserver |
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148 /** |
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149 * See @ref MMdERelationPresentObserver::HandleRelationPresentNotification |
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150 */ |
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151 void HandleRelationPresentNotification(CMdESession& aSession, |
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152 TBool aPresent, const RArray<TItemId>& aRelationIdArray); |
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153 |
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154 #ifdef USE_S60_TNM |
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155 // from MThumbnailManagerObserver |
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156 void ThumbnailPreviewReady( MThumbnailData& aThumbnail, |
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157 TThumbnailRequestId aId ); |
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158 |
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159 void ThumbnailReady( TInt aError, MThumbnailData& aThumbnail, |
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160 TThumbnailRequestId aId ); |
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161 #endif |
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162 |
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163 private: |
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164 void BackgroundThumbnailMessageL(const TGlxMediaId& aId, const TSize& aSize, TInt aError); |
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165 |
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166 void DoSessionInitL(); |
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167 |
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168 void AddMdEObserversL(); |
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169 |
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170 void ProcessUpdateArray(const RArray<TItemId>& aArray, TMPXChangeEventType aType, TBool aIsObject); |
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171 |
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172 void ProcessItemUpdateL(); |
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173 |
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174 static TInt ProcessItemUpdate(TAny* aPtr); |
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175 void CreateSessionL(); |
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176 |
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177 static TInt CreateSession(TAny* aPtr); |
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178 |
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179 void PrepareMonthsL(); |
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180 void TaskCompletedL(); |
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181 |
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182 void TaskStartedL(); |
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183 |
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184 public: |
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185 inline CMdESession& Session() const; |
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186 |
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187 #ifndef USE_S60_TNM |
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188 inline CGlxtnThumbnailCreator& ThumbnailCreator() const; |
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189 |
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190 inline CGlxtnThumbnailDatabase& ThumbnailDatabase() const; |
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191 #endif |
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192 |
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193 inline RFs& FileServerSession(); |
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194 |
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195 inline const TGlxMediaId& CameraAlbumId() const; |
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196 |
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197 inline const TGlxMediaId& FavoritesId() const; |
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198 |
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199 inline CMdENamespaceDef* NamespaceDef() const; |
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200 |
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201 inline CMdEObjectDef& ObjectDef() const; |
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202 |
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203 inline CMdEObjectDef& ImageDef() const; |
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204 |
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205 inline CMdEObjectDef& VideoDef() const; |
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206 |
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207 inline CMdEObjectDef& AlbumDef() const; |
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208 |
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209 inline CMdEObjectDef& MediaDef() const; |
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210 inline CMdEObjectDef& TagDef() const; |
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211 |
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212 /** |
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213 * Return object definition used to describe months. |
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214 * @return object definition used to describe months. |
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215 */ |
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216 inline CMdEObjectDef& MonthDef() const; |
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217 |
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218 inline CMdERelationDef& ContainsDef() const; |
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219 |
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220 inline CMdERelationDef& ContainsLocationDef() const; |
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221 |
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222 /** |
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223 * Get the location definition. |
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224 * @return location definition. |
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225 */ |
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226 inline CMdEObjectDef& LocationDef() const; |
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227 |
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228 TContainerType ContainerType(CMdEObject* aObject); |
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229 |
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230 TContainerType ContainerType(CMdEObjectDef* aObjectDef); |
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231 |
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232 TItemType ItemType(CMdEObject* aObject); |
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233 |
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234 const TGlxMediaId GetMonthIdL(const TTime& aMonth); |
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235 |
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236 TBool SameMonth(const TTime& aOldDate, const TTime& aNewDate); |
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237 |
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238 TBool ContainerIsLeft(CMdEObjectDef& aObjectDef); |
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239 |
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240 private: |
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241 #ifdef USE_S60_TNM |
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242 MThumbnailFetchRequestObserver* iTnFetchObserver; |
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243 CThumbnailManager* iTnEngine; |
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244 CFbsBitmap* iTnThumbnail; |
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245 CFbsBitmap* iThumbnail; |
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246 TThumbnailRequestId iTnThumbnailCbId; |
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247 TBool iTnRequestInProgress; |
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248 TInt iTnHandle; |
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249 TGlxMediaId iMediaId; |
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250 |
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251 TTime iStartTime; |
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252 TTime iStopTime; |
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253 #else |
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254 CGlxtnThumbnailCreator* iThumbnailCreator; |
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255 CGlxtnThumbnailDatabase* iThumbnailDatabase; |
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256 #endif |
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257 |
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258 CMdESession* iSession; |
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259 RFs iFs; |
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260 TBool iSessionOpen; |
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261 TGlxMediaId iCameraAlbumId; |
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262 TGlxMediaId iFavoritesId; |
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263 |
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264 CMdENamespaceDef* iNameSpaceDef; |
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265 CMdEObjectDef* iObjectDef; |
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266 CMdEObjectDef* iImageDef; |
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267 CMdEObjectDef* iVideoDef; |
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268 CMdEObjectDef* iAlbumDef; |
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269 CMdEObjectDef* iMediaDef; |
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270 CMdEObjectDef* iTagDef; |
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271 CMdEObjectDef* iMonthDef; |
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272 /** |
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273 * Location object definition. |
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274 */ |
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275 CMdEObjectDef* iLocationDef; |
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276 CMdERelationDef* iContainsDef; |
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277 CMdERelationDef* iContainsLocationDef; |
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278 |
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279 RArray<TTime> iMonthArray; |
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280 RArray<TGlxMediaId> iMonthList; |
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281 TTime iFirstMonth; |
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282 TTime iLastMonth; |
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283 |
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284 CAsyncCallBack* iUpdateCallback; |
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285 |
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286 CAsyncCallBack* iCreateSessionCallback; |
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287 |
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288 struct TUpdateData |
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289 { |
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290 TItemId iId; |
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291 TMPXChangeEventType iType; |
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292 TBool iIsObject; |
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293 }; |
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294 |
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295 RArray<TUpdateData> iUpdateData; |
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296 TBool iPauseUpdate; |
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297 TInt iDeletedCount; |
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298 }; |
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299 |
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300 #include "glxdatasourcemds.inl" |
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301 |
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302 #endif //_C_GLXDATASOURCEMDE_H_ |