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 |
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19 #include "afstorageasynctask.h" |
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20 #include "activitycmd.h" |
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21 |
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22 _LIT(KUnsupportedStorageAsyncTask, "Unsupported async storage task"); |
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23 |
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24 // ----------------------------------------------------------------------------- |
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25 // |
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26 // ----------------------------------------------------------------------------- |
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27 // |
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28 LOCAL_C void ReadEntryL(CAfEntry& entry, const RMessage2& msg) |
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29 { |
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30 RBuf8 serializedEntry; |
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31 CleanupClosePushL(serializedEntry); |
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32 serializedEntry.CreateL(msg.GetDesLengthL(0)); |
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33 msg.ReadL(0, serializedEntry); |
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34 RDesReadStream reader(serializedEntry); |
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35 CleanupClosePushL(reader); |
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36 |
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37 reader >> entry; |
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38 |
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39 CleanupStack::PopAndDestroy(&reader); |
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40 CleanupStack::PopAndDestroy(&serializedEntry); |
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41 } |
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42 // ----------------------------------------------------------------------------- |
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43 /** |
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44 * Constructor for performing 1st stage construction |
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45 */ |
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46 CAfStorageAsyncTask::CAfStorageAsyncTask() |
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47 { |
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48 // No implementation required |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 /** |
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53 * Destructor. |
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54 */ |
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55 CAfStorageAsyncTask::~CAfStorageAsyncTask() |
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56 { |
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57 mExternalizedData.Close(); |
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58 mInternalizedData.ResetAndDestroy(); |
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59 } |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 /** |
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63 * Handle asynchronous data storage requests |
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64 * @param taskStorage - data tasks storage |
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65 * @param dataStorage - data storage |
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66 * @param msg - request message |
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67 */ |
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68 void CAfStorageAsyncTask::ExecuteLD(MAfTaskStorage& taskStorage, |
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69 CAfStorage& dataStorage, |
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70 const RMessage2& msg) |
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71 { |
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72 CAfStorageAsyncTask* self = new (ELeave) CAfStorageAsyncTask(); |
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73 CleanupStack::PushL(self); |
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74 self->ExecuteL(dataStorage, msg); |
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75 taskStorage.PushL(self); |
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76 CleanupStack::Pop(self); |
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77 if (EFalse == msg.IsNull()) { |
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78 msg.Complete(KErrNone); |
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79 } |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 /** |
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84 * Interface implementation |
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85 * @see CActivityTask::Data() |
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86 */ |
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87 const TDesC8& CAfStorageAsyncTask::CAfStorageAsyncTask::Data() const |
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88 { |
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89 return mExternalizedData; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 /** |
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94 * Interface implementation |
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95 * @see CActivityTask::BroadcastReceivedL(const RMessage2 &) |
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96 */ |
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97 void CAfStorageAsyncTask::BroadcastReceivedL(const RMessage2& ) |
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98 { |
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99 // No implementation required |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 /** |
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104 * Handle asynchronous data storage requests |
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105 * @param dataStorage - data storage |
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106 * @param msg - request message |
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107 */ |
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108 void CAfStorageAsyncTask::ExecuteL(CAfStorage& dataStorage, |
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109 const RMessage2& msg) |
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110 { |
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111 switch (msg.Function()) { |
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112 case Activities: |
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113 AllActivitiesL(dataStorage, msg); |
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114 break; |
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115 case ApplicationActivities: |
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116 ApplicationActivitiesL(dataStorage, msg); |
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117 break; |
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118 case ApplicationActivity: |
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119 ApplicationActivityL(dataStorage, msg); |
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120 break; |
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121 default: |
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122 //this code shouldn't be called. fatal error: means wrong session implementation |
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123 User::Panic(KUnsupportedStorageAsyncTask, KErrGeneral); |
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124 }; |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 /** |
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129 * Handle getting all activities request |
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130 * @param dataStorage - data storage |
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131 * @param msg - requested message |
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132 */ |
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133 void CAfStorageAsyncTask::AllActivitiesL(CAfStorage& dataStorage, |
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134 const RMessage2& msg) |
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135 { |
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136 dataStorage.ActivitiesL(mInternalizedData); |
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137 ExternalizeL(); |
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138 WriteResponseL(msg); |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 /** |
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143 * Handle getting application activities request |
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144 * @param dataStorage - data storage |
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145 * @param msg - requested message |
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146 */ |
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147 void CAfStorageAsyncTask::ApplicationActivitiesL(CAfStorage& dataStorage, |
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148 const RMessage2& msg) |
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149 { |
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150 CAfEntry *entry = CAfEntry::NewLC(); |
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151 ReadEntryL(*entry, msg); |
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152 dataStorage.ActivitiesL(mInternalizedData, entry->ApplicationId()); |
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153 CleanupStack::PopAndDestroy(entry); |
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154 ExternalizeL(); |
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155 WriteResponseL(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 * Handle getting application activity request |
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161 * @param dataStorage - data storage |
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162 * @param msg - requested message |
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163 */ |
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164 void CAfStorageAsyncTask::ApplicationActivityL(CAfStorage& dataStorage, |
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165 const RMessage2& msg) |
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166 { |
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167 CAfEntry *src(CAfEntry::NewLC()) , *dst(0); |
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168 ReadEntryL(*src, msg); |
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169 dataStorage.ActivityL(dst, *src); |
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170 CleanupStack::PushL(dst); |
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171 ExternalizeL(*dst); |
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172 CleanupStack::PopAndDestroy(dst); |
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173 CleanupStack::PopAndDestroy(src); |
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174 WriteResponseL(msg); |
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175 } |
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176 |
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177 // ----------------------------------------------------------------------------- |
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178 void CAfStorageAsyncTask::ExternalizeL() |
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179 { |
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180 mExternalizedData << mInternalizedData; |
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181 mInternalizedData.ResetAndDestroy(); |
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182 } |
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183 |
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184 // ----------------------------------------------------------------------------- |
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185 /** |
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186 * Externalzie entry into output buffer |
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187 * @param entry - source entry |
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188 */ |
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189 void CAfStorageAsyncTask::ExternalizeL(const CAfEntry &entry) |
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190 { |
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191 CAfEntry::ReallocL(mExternalizedData, entry.Size()); |
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192 RDesWriteStream writer(mExternalizedData); |
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193 CleanupClosePushL(writer); |
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194 writer << entry; |
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195 CleanupStack::PopAndDestroy(&writer); |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 /** |
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200 * Write response data into request message |
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201 * @param msg - destination message |
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202 */ |
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203 void CAfStorageAsyncTask::WriteResponseL(const RMessage2& msg) |
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204 { |
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205 if (EFalse == msg.IsNull()) { |
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206 msg.WriteL(1, |
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207 TPckgBuf<TInt>(mExternalizedData.Length()));//write data size |
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208 msg.WriteL(2, |
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209 TPckgBuf<CBase*>(this));//task identyfier |
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210 } |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 /** |
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215 * Returns ETrue if task is related with session argument |
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216 */ |
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217 |
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218 TBool CAfStorageAsyncTask::IsSessionTask(const CSession2* /*session*/) |
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219 { |
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220 return EFalse; |
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221 } |
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