1 /* |
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2 * Copyright (c) 2006-2007 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: Task for making MDS querys |
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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 #include <e32base.h> |
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20 |
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21 #include <mdeconstants.h> |
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22 #include <thumbnailmanager.h> |
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23 |
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24 #include "thumbnailmdsquerytask.h" |
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25 #include "thumbnailmanagerconstants.h" |
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26 #include "thumbnaillog.h" |
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27 #include "thumbnailserver.h" |
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28 #include "OstTraceDefinitions.h" |
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29 #ifdef OST_TRACE_COMPILER_IN_USE |
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30 #include "thumbnailmdsquerytaskTraces.h" |
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31 #endif |
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32 |
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33 |
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34 // ======== MEMBER FUNCTIONS ======== |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // CThumbnailMDSQueryTask::CThumbnailMDSQueryTask() |
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38 // C++ default constructor can NOT contain any code, that might leave. |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 CThumbnailMDSQueryTask::CThumbnailMDSQueryTask( |
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42 CThumbnailTaskProcessor& aProcessor, TInt aPriority, CMdESession* aMdESession, CThumbnailServer& aServer): |
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43 CThumbnailTask( aProcessor, aPriority ), iMdESession( aMdESession ), iQuery(NULL), |
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44 iServer(aServer), iUpdateToDb(ETrue) |
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45 { |
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46 TN_DEBUG2( "CThumbnailMDSQueryTask(0x%08x)::CThumbnailMDSQueryTask()", this ); |
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47 OstTrace1( TRACE_NORMAL, CTHUMBNAILMDSQUERYTASK_CTHUMBNAILMDSQUERYTASK, "CThumbnailMDSQueryTask::CThumbnailMDSQueryTask;this=%o", this ); |
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48 } |
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49 |
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50 |
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51 // --------------------------------------------------------------------------- |
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52 // CThumbnailMDSQueryTask::~CThumbnailMDSQueryTask() |
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53 // Destructor. |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 CThumbnailMDSQueryTask::~CThumbnailMDSQueryTask() |
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57 { |
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58 TN_DEBUG2( "CThumbnailMDSQueryTask(0x%08x)::~CThumbnailMDSQueryTask()", this); |
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59 OstTrace1( TRACE_NORMAL, DUP1_CTHUMBNAILMDSQUERYTASK_CTHUMBNAILMDSQUERYTASK, "CThumbnailMDSQueryTask::~CThumbnailMDSQueryTask;this=%o", this ); |
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60 |
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61 if (iQuery) |
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62 { |
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63 iQuery->Cancel(); |
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64 delete iQuery; |
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65 iQuery = NULL; |
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66 } |
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67 } |
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68 |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CThumbnailMDSQueryTask::HandleQueryNewResults() |
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72 // ----------------------------------------------------------------------------- |
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73 // |
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74 void CThumbnailMDSQueryTask::HandleQueryNewResults( CMdEQuery& /*aQuery*/, |
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75 const TInt /*aFirstNewItemIndex*/, |
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76 const TInt /*aNewItemCount*/ ) |
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77 { |
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78 // No implementation required |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CThumbnailMDSQueryTask::HandleQueryCompleted() |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CThumbnailMDSQueryTask::HandleQueryCompleted( CMdEQuery& /*aQuery*/, const TInt aError ) |
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86 { |
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87 TN_DEBUG3( "CThumbnailMDSQueryTask::HandleQueryCompleted(0x%08x), aError == %d", this, aError ); |
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88 OstTrace1( TRACE_NORMAL, CTHUMBNAILMDSQUERYTASK_HANDLEQUERYCOMPLETED, "CThumbnailMDSQueryTask::HandleQueryCompleted;this=%o", this ); |
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89 OstTrace1( TRACE_NORMAL, DUP1_CTHUMBNAILMDSQUERYTASK_HANDLEQUERYCOMPLETED, "CThumbnailMDSQueryTask::HandleQueryCompleted;aError=%d", aError ); |
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90 |
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91 |
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92 // if no errors in query |
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93 if (aError == KErrNone && iQuery && iQuery->Count() > 0) |
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94 { |
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95 if( iQueryType == EURI ) |
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96 { |
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97 const CMdEObject* object = &iQuery->Result(0); |
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98 |
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99 TN_DEBUG2( "CThumbnailMDSQueryTask::HandleQueryCompleted() - URI = %S", &object->Uri() ); |
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100 OstTraceExt1( TRACE_NORMAL, DUP2_CTHUMBNAILMDSQUERYTASK_HANDLEQUERYCOMPLETED, "CThumbnailMDSQueryTask::HandleQueryCompleted;object->Uri()=%S", object->Uri() ); |
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101 |
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102 // return path to client side |
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103 if( iDelete ) |
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104 { |
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105 TN_DEBUG2( "CThumbnailMDSQueryTask::HandleQueryCompleted() delete %S", &iUri ); |
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106 OstTraceExt1( TRACE_NORMAL, DUP3_CTHUMBNAILMDSQUERYTASK_HANDLEQUERYCOMPLETED, "CThumbnailMDSQueryTask::HandleQueryCompleted - delete;iUri()=%S", iUri ); |
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107 TRAP_IGNORE( iServer.DeleteThumbnailsL( iUri ) ); |
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108 } |
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109 else |
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110 { |
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111 ReturnPath(object->Uri()); |
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112 } |
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113 } |
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114 else |
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115 { |
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116 TN_DEBUG1( "CThumbnailMDSQueryTask::HandleQueryCompleted() - Don't ever come here!" ); |
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117 OstTrace0( TRACE_NORMAL, DUP4_CTHUMBNAILMDSQUERYTASK_HANDLEQUERYCOMPLETED, "CThumbnailMDSQueryTask::HandleQueryCompleted - Don't ever come here!" ); |
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118 if (ClientThreadAlive()) |
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119 { |
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120 Complete( KErrNotFound ); |
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121 ResetMessageData(); |
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122 } |
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123 __ASSERT_DEBUG((EFalse), User::Panic(_L("CThumbnailMDSQueryTask::HandleQueryCompleted()"), KErrNotSupported)); |
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124 } |
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125 } |
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126 else |
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127 { |
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128 TN_DEBUG1( "CThumbnailMDSQueryTask::HandleQueryCompleted() - No results." ); |
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129 OstTrace0( TRACE_NORMAL, DUP5_CTHUMBNAILMDSQUERYTASK_HANDLEQUERYCOMPLETED, "CThumbnailMDSQueryTask::HandleQueryCompleted - No results." ); |
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130 if(!iDelete) |
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131 { |
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132 if (ClientThreadAlive()) |
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133 { |
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134 Complete( KErrNotFound ); |
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135 ResetMessageData(); |
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136 } |
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137 } |
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138 } |
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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 // CThumbnailMDSQueryTask::StartL() |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 void CThumbnailMDSQueryTask::StartL() |
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147 { |
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148 TN_DEBUG2( "CThumbnailMDSQueryTask(0x%08x)::StartL()", this ); |
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149 OstTrace1( TRACE_NORMAL, CTHUMBNAILMDSQUERYTASK_STARTL, "CThumbnailMDSQueryTask::StartL;this=%o", this ); |
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150 |
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151 CThumbnailTask::StartL(); |
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152 |
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153 if (iMessage.Handle()) |
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154 { |
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155 // start query |
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156 iQuery->FindL(); |
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157 } |
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158 else |
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159 { |
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160 // no point to continue |
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161 Complete( KErrCancel ); |
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162 ResetMessageData(); |
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163 } |
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164 } |
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165 |
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166 |
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167 // --------------------------------------------------------------------------- |
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168 // CThumbnailMDSQueryTask::RunL() |
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169 // --------------------------------------------------------------------------- |
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170 // |
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171 void CThumbnailMDSQueryTask::RunL() |
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172 { |
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173 // No implementation required |
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174 TN_DEBUG2( "CThumbnailMDSQueryTask(0x%08x)::RunL()", this ); |
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175 OstTrace1( TRACE_NORMAL, CTHUMBNAILMDSQUERYTASK_RUNL, "CThumbnailMDSQueryTask::RunL;this=%o", this ); |
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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 // CThumbnailMDSQueryTask::DoCancel() |
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181 // --------------------------------------------------------------------------- |
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182 // |
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183 void CThumbnailMDSQueryTask::DoCancel() |
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184 { |
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185 TN_DEBUG2( "CThumbnailMDSQueryTask(0x%08x)::DoCancel()", this ); |
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186 OstTrace1( TRACE_NORMAL, CTHUMBNAILMDSQUERYTASK_DOCANCEL, "CThumbnailMDSQueryTask::DoCancel;this=%o", this ); |
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187 |
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188 iQuery->Cancel(); |
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189 } |
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190 |
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191 // --------------------------------------------------------------------------- |
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192 // CThumbnailMDSQueryTask::QueryPathByIdL() |
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193 // --------------------------------------------------------------------------- |
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194 // |
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195 void CThumbnailMDSQueryTask::QueryPathByIdL(TThumbnailId aId, TBool aDelete) |
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196 { |
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197 TN_DEBUG1( "CThumbnailMDSQueryTask()::QueryPathByIdL()"); |
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198 OstTrace0( TRACE_NORMAL, CTHUMBNAILMDSQUERYTASK_QUERYPATHBYIDL, "CThumbnailMDSQueryTask::QueryPathByIdL" ); |
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199 iQueryType = EURI; |
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200 iDelete = aDelete; |
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201 CMdENamespaceDef* defNamespace = &iMdESession->GetDefaultNamespaceDefL(); |
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202 CMdEObjectDef& objDef = defNamespace->GetObjectDefL( MdeConstants::Object::KBaseObject ); |
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203 |
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204 delete iQuery; |
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205 iQuery = NULL; |
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206 |
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207 iQuery = iMdESession->NewObjectQueryL( *defNamespace, objDef, this ); |
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208 |
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209 if(iQuery) |
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210 { |
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211 iQuery->SetResultMode( EQueryResultModeItem ); |
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212 |
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213 CMdELogicCondition& rootCondition = iQuery->Conditions(); |
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214 rootCondition.SetOperator( ELogicConditionOperatorOr ); |
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215 |
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216 // add ID condition |
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217 rootCondition.AddObjectConditionL( aId ); |
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218 } |
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219 } |
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220 |
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221 // --------------------------------------------------------------------------- |
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222 // CThumbnailMDSQueryTask::ReturnPath() |
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223 // --------------------------------------------------------------------------- |
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224 // |
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225 void CThumbnailMDSQueryTask::ReturnPath(const TDesC& aUri) |
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226 { |
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227 if ( ClientThreadAlive() ) |
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228 { |
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229 // add path to message |
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230 TInt ret = iMessage.Read( 0, iRequestParams ); |
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231 if(ret == KErrNone) |
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232 { |
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233 TThumbnailRequestParams& params = iRequestParams(); |
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234 params.iFileName = aUri; |
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235 ret = iMessage.Write( 0, iRequestParams ); |
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236 } |
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237 |
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238 // complete the message with a code from which client side |
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239 // knows to make a new request using the path |
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240 Complete( KThumbnailErrThumbnailNotFound ); |
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241 ResetMessageData(); |
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242 } |
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243 } |
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244 |
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245 // --------------------------------------------------------------------------- |
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246 // CThumbnailMDSQueryTask::SetUpdateToDb() |
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247 // --------------------------------------------------------------------------- |
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248 // |
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249 void CThumbnailMDSQueryTask::SetUpdateToDb(const TBool& aUpdateToDb ) |
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250 { |
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251 TN_DEBUG2( "CThumbnailMDSQueryTask()::SetCompleteTask() aUpdateToDb == %d", aUpdateToDb); |
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252 OstTrace1( TRACE_NORMAL, CTHUMBNAILMDSQUERYTASK_SETUPDATETODB, "CThumbnailMDSQueryTask::SetUpdateToDb;aUpdateToDb=%u", aUpdateToDb ); |
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253 iUpdateToDb = aUpdateToDb; |
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254 } |
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