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: |
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15 * |
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16 */ |
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17 #include <s32mem.h> |
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18 #include <hash.h> |
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19 #include <fbs.h> |
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20 #include <bautils.h> |
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21 |
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22 #include "afstoragesynctask.h" |
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23 #include "activitycmd.h" |
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24 #include "afentry.h" |
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25 const TInt KMaxPathLength = 256; |
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26 |
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27 _LIT(KUnsupportedStorageSyncTask, "Unsupported sync storage task"); |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 /** |
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31 * Handle synchronous data storage requests |
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32 * @param dataStorage - data storage |
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33 * @param msg - request message |
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34 */ |
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35 void AfStorageSyncTask::ExecuteL(MAfTaskStorage& observers, |
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36 CAfStorage& dataStorage, |
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37 const RMessage2& msg) |
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38 { |
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39 switch (msg.Function()) { |
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40 case AddActivity: |
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41 AddActivityL(dataStorage, msg); |
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42 break; |
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43 case UpdateActivity: |
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44 UpdateActivityL(dataStorage, msg); |
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45 break; |
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46 case RemoveActivity: |
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47 DeleteActivityL(dataStorage, msg); |
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48 break; |
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49 case RemoveApplicationActivities: |
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50 DeleteApplicationActivitiesL(dataStorage, msg); |
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51 break; |
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52 default: |
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53 //this code shouldn't be called. fatal error: means wrong session implementation |
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54 User::Panic(KUnsupportedStorageSyncTask, KErrGeneral); |
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55 }; |
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56 msg.Complete(KErrNone); |
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57 NotifyChangeL(observers, msg); |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 /** |
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62 * Handle adding new activity. |
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63 * @param dataStorage - data storage |
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64 * @param msg - request message |
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65 */ |
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66 void AfStorageSyncTask::AddActivityL(CAfStorage& dataStorage, |
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67 const RMessage2& msg) |
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68 { |
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69 //Read message and bitmap handle |
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70 TPckgBuf<TInt> bitmapHdl(0); |
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71 CAfEntry *entry = CAfEntry::NewLC(); |
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72 ReadEntryL(*entry, msg); |
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73 msg.ReadL(1, bitmapHdl); |
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74 |
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75 RBuf thumbnailPath; |
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76 CleanupClosePushL(thumbnailPath); |
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77 ThumbnailPathL(thumbnailPath, |
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78 dataStorage.Fs(), |
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79 entry->ApplicationId(), |
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80 entry->ActivityId()); |
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81 CreateThumbnailL(thumbnailPath, bitmapHdl()); |
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82 entry->SetImageSrcL(thumbnailPath); |
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83 dataStorage.AddActivityL(*entry); |
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84 CleanupStack::PopAndDestroy(&thumbnailPath); |
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85 |
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86 CleanupStack::PopAndDestroy(entry); |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 /** |
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91 * Handle updating existing activiy |
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92 * @param dataStorage - data storage |
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93 * @param msg - request message |
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94 */ |
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95 void AfStorageSyncTask::UpdateActivityL(CAfStorage& dataStorage, |
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96 const RMessage2& msg) |
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97 { |
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98 TPckgBuf<TInt> bitmapHdl(0); |
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99 CAfEntry *entry = CAfEntry::NewLC(); |
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100 ReadEntryL(*entry, msg); |
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101 msg.ReadL(1, bitmapHdl); |
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102 |
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103 RBuf thumbnailPath; |
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104 CleanupClosePushL(thumbnailPath); |
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105 ThumbnailPathL(thumbnailPath, |
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106 dataStorage.Fs(), |
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107 entry->ApplicationId(), |
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108 entry->ActivityId()); |
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109 CreateThumbnailL(thumbnailPath, bitmapHdl()); |
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110 entry->SetImageSrcL(thumbnailPath); |
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111 dataStorage.UpdateActivityL(*entry); |
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112 CleanupStack::PopAndDestroy(&thumbnailPath); |
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113 CleanupStack::PopAndDestroy(entry); |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 /** |
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118 * Handle removing activity. |
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119 * @param dataStorage - data storage |
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120 * @param msg - request message |
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121 */ |
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122 void AfStorageSyncTask::DeleteActivityL(CAfStorage& dataStorage, |
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123 const RMessage2& msg) |
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124 { |
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125 CAfEntry *entry = CAfEntry::NewLC(); |
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126 ReadEntryL(*entry, msg); |
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127 dataStorage.DeleteActivityL(*entry); |
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128 CleanupStack::PopAndDestroy(entry); |
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129 } |
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130 |
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131 // ----------------------------------------------------------------------------- |
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132 /** |
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133 * Handle removing all application activities. |
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134 * @param dataStorage - data storage |
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135 * @param msg - request message |
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136 */ |
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137 void AfStorageSyncTask::DeleteApplicationActivitiesL(CAfStorage& dataStorage, |
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138 const RMessage2& msg) |
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139 { |
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140 CAfEntry *entry = CAfEntry::NewLC(); |
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141 ReadEntryL(*entry, msg); |
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142 dataStorage.DeleteActivitiesL(*entry); |
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143 CleanupStack::PopAndDestroy(entry); |
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144 } |
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145 |
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146 // ----------------------------------------------------------------------------- |
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147 // |
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148 // ----------------------------------------------------------------------------- |
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149 // |
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150 void AfStorageSyncTask::NotifyChangeL(MAfTaskStorage& observers, |
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151 const RMessage2& msg) |
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152 { |
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153 const RPointerArray<CAfTask> &table(observers.StorageData()); |
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154 for (TInt iter(table.Count() - 1); 0 <= iter; --iter) { |
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155 table[iter]->BroadcastReceivedL(msg); |
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156 } |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 void AfStorageSyncTask::ReadEntryL(CAfEntry& entry, const RMessage2& msg) |
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164 { |
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165 RBuf8 serializedEntry; |
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166 CleanupClosePushL(serializedEntry); |
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167 serializedEntry.CreateL(msg.GetDesLengthL(0)); |
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168 msg.ReadL(0, serializedEntry); |
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169 RDesReadStream reader(serializedEntry); |
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170 CleanupClosePushL(reader); |
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171 |
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172 reader >> entry; |
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173 |
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174 CleanupStack::PopAndDestroy(&reader); |
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175 CleanupStack::PopAndDestroy(&serializedEntry); |
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176 } |
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177 |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 void AfStorageSyncTask::CreateThumbnailL(const TDesC &path, TInt hdl) |
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183 { |
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184 if (0 >= hdl) { |
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185 User::Leave(KErrCorrupt); |
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186 } |
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187 CFbsBitmap *bitmap = new (ELeave) CFbsBitmap; |
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188 CleanupStack::PushL(bitmap); |
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189 User::LeaveIfError(bitmap->Duplicate(hdl)); |
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190 User::LeaveIfError(bitmap->Save(path)); |
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191 CleanupStack::PopAndDestroy(bitmap); |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 void AfStorageSyncTask::ThumbnailPathL(RBuf &dst, |
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199 RFs& fileSystem, |
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200 TInt uid, |
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201 const TDesC &activityName) |
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202 { |
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203 _LIT(KUidFormat, "%+08x\\"); |
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204 _LIT(KExtFormat, ".mbm"); |
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205 //Generate activity hash |
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206 RBuf8 buff8; |
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207 CleanupClosePushL(buff8); |
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208 buff8.CreateL(activityName.Length()); |
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209 buff8.Copy(activityName); |
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210 HBufC8 *activityHash = Md5HexDigestL(buff8); |
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211 CleanupStack::PopAndDestroy(&buff8); |
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212 CleanupStack::PushL(activityHash); |
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213 |
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214 //Get private path |
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215 RBuf privatePath; |
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216 CleanupClosePushL(privatePath); |
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217 privatePath.CreateL(KMaxPathLength); |
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218 User::LeaveIfError(fileSystem.PrivatePath(privatePath)); |
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219 |
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220 //Format activity path |
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221 privatePath.AppendFormat( KUidFormat, uid); |
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222 |
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223 const TInt requiredSize(privatePath.Length() + |
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224 activityHash->Length() + |
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225 KExtFormat().Length()); |
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226 CAfEntry::ReallocL(dst, requiredSize); |
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227 |
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228 //Copy path |
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229 dst.Copy(privatePath); |
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230 privatePath.Copy(*activityHash);//reuse already allocated buffer to convert 8 -> 16 |
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231 dst.Append(privatePath); |
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232 dst.Append(KExtFormat()); |
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233 |
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234 CleanupStack::PopAndDestroy(&privatePath); |
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235 CleanupStack::PopAndDestroy(activityHash); |
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236 |
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237 BaflUtils::EnsurePathExistsL(fileSystem, dst); |
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238 } |
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239 |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 // ----------------------------------------------------------------------------- |
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243 // |
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244 HBufC8* AfStorageSyncTask::Md5HexDigestL(const TDes8 &string) |
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245 { |
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246 _LIT8(KMd5HexFormat, "%+02x"); |
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247 CMD5* md5 = CMD5::NewL(); |
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248 CleanupStack::PushL(md5); |
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249 |
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250 TPtrC8 hashedSig(md5->Hash(string)); |
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251 |
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252 HBufC8* buf = HBufC8::NewL(hashedSig.Length() * 2); |
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253 TPtr8 bufPtr = buf->Des(); |
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254 |
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255 for(TInt i(0); i< hashedSig.Length(); ++i) { |
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256 bufPtr.AppendFormat(KMd5HexFormat,hashedSig[i]); |
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257 } |
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258 CleanupStack::PopAndDestroy(md5); |
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259 return buf; |
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260 } |
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