1 /* |
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2 * Copyright (c) 2002-2005 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: This file implements the methods which wrap functionality related |
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15 * to landmark encoding into a simpler interface. |
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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 |
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23 |
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24 |
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25 // INCLUDE FILES |
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26 |
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27 #include <e32base.h> |
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28 #include <e32std.h> |
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29 #include <AknQueryDialog.h> |
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30 #include <StringLoader.h> |
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31 #include <lmkui.rsg> |
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32 #include <EPos_CPosLandmarkDatabase.h> |
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33 #include <EPos_CPosLandmarkEncoder.h> |
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34 #include "LmkConsts.h" |
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35 #include "Debug.h" |
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36 #include "LmkFileUtils.h" |
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37 #include "CLmkAOOperation.h" |
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38 #include "CLmkEncoder.h" |
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39 #include "CLmkEncodeUnsavedLandmarksOp.h" |
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40 #include <lmkerrors.h> |
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41 |
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42 // CONSTANTS |
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43 /// Unnamed namespace for local definitions |
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44 namespace { |
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45 |
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46 _LIT8( KLandmarkMimeType, "application/vnd.nokia.landmarkcollection+xml" ); |
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47 // We wrap two async. tasks (export and write to file) into one |
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48 // using estimated 0.8/0.2 progress distribution: |
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49 const TReal32 KLmkExportMaxProgress( TReal32( 0.8 ) ); |
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50 |
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51 #if defined(_DEBUG) |
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52 _LIT( KPanicMsg, "CLmkEncoder" ); |
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53 |
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54 void Panic( TPanicCode aReason ) |
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55 { |
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56 User::Panic( KPanicMsg, aReason ); |
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57 } |
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58 #endif |
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59 } // namespace |
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60 |
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61 // ============================ MEMBER FUNCTIONS =============================== |
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62 |
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63 // ----------------------------------------------------------------------------- |
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64 // CLmkEncoder::CLmkEncoder |
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65 // C++ default constructor can NOT contain any code, that |
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66 // might leave. |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CLmkEncoder::CLmkEncoder( |
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70 CPosLandmarkDatabase& aDb, |
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71 MLmkAOOperationObserver& aObserver, |
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72 TBool aProgressNote ) |
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73 : iDb( aDb ), |
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74 iObserver( aObserver ), |
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75 iProgressNote( aProgressNote ) |
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76 { |
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77 } |
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78 |
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79 // ----------------------------------------------------------------------------- |
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80 // CLmkEncoder::NewL() |
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81 // ----------------------------------------------------------------------------- |
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82 // |
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83 EXPORT_C CLmkEncoder* CLmkEncoder::NewL( |
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84 CPosLandmarkDatabase& aDb, |
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85 MLmkAOOperationObserver& aObserver, |
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86 TBool aProgressNote ) |
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87 { |
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88 CLmkEncoder* self = |
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89 new ( ELeave ) CLmkEncoder( aDb, aObserver, aProgressNote ); |
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90 CleanupStack::PushL( self ); |
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91 self->ConstructL(); |
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92 CleanupStack::Pop(); //self |
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93 return self; |
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94 } |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // CLmkEncoder::ConstructL() |
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98 // ----------------------------------------------------------------------------- |
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99 // |
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100 void CLmkEncoder::ConstructL() |
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101 { |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CLmkEncoder::~CLmkEncoder() |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 CLmkEncoder::~CLmkEncoder() |
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109 { |
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110 delete iAOOperation; |
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111 delete iEncoder; |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // CLmkEncoder::HandleOperationL |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 void CLmkEncoder::HandleOperationL( |
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119 TOperationTypes aType, |
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120 TReal32 aProgress, |
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121 TInt aStatus ) |
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122 { |
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123 DEBUG2( CLmkEncoder::HandleOperationL entered: progress=%d status=%d, |
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124 aProgress, aStatus ); |
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125 |
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126 __ASSERT_DEBUG( aType == EEncode, Panic( KLmkPanicUnknownOperation ) ); |
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127 |
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128 if ( aStatus != KPosLmOperationNotComplete ) |
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129 { |
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130 __ASSERT_DEBUG( iAOOperation, Panic( KLmkPanicNullMember ) ); |
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131 |
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132 delete iAOOperation; |
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133 iAOOperation = NULL; |
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134 |
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135 if ( iExporting && aStatus == KErrNone ) |
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136 { // start second part of asynchronous task |
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137 FinalizeEncodingL(); |
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138 aStatus = KPosLmOperationNotComplete; |
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139 } |
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140 } |
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141 |
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142 // Modify progress information because we have wrapped two tasks into one: |
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143 if ( iExporting && aStatus == KPosLmOperationNotComplete ) |
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144 { |
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145 aProgress = aProgress * KLmkExportMaxProgress; |
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146 } |
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147 else if ( !iExporting && aStatus == KPosLmOperationNotComplete ) |
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148 { // Progress of writing to file is between KLmkExportMaxProgress...1 |
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149 aProgress = KLmkExportMaxProgress + |
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150 aProgress * ( 1 - KLmkExportMaxProgress ); |
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151 } |
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152 |
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153 if( iProgressNote || aStatus != KPosLmOperationNotComplete ) |
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154 { // Caller either requested to receive all events, or we |
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155 // have completed entirely and inform that to the caller. |
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156 iObserver.HandleOperationL( aType, aProgress, aStatus ); |
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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 // CLmkEncoder::SetPackageNameL |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 //EXPORT_C void CLmkEncoder::SetPackageNameL( const TDesC& aName ) |
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165 void CLmkEncoder::SetPackageNameL( const TDesC& aName ) |
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166 { |
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167 iEncoder->AddCollectionDataL( EPosLmCollDataCollectionName, aName ); |
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168 } |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // CLmkEncoder::StartEncodingL |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 EXPORT_C void CLmkEncoder::StartEncodingL( |
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175 const TDesC& aFileName, |
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176 const RArray<TPosLmItemId>& aLandmarkIdArray ) |
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177 { |
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178 DEBUG( CLmkEncoder::StartEncodingL entered ); |
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179 LeaveIfInUseL(); |
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180 PrepareEncoderL(aFileName); |
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181 if (aLandmarkIdArray.Count() > 1) // Only if multiple Landmarks Are selected |
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182 { |
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183 // Set the package name here |
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184 SetPackageNameL(aFileName); |
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185 } |
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186 |
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187 CPosLmOperation* operation = |
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188 iDb.ExportLandmarksL( *iEncoder, |
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189 aLandmarkIdArray, |
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190 CPosLandmarkDatabase::EIncludeCategories ); |
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191 CleanupStack::PushL( operation ); |
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192 iAOOperation = CLmkAOOperation::NewL( operation, |
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193 *this, |
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194 EEncode, |
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195 iProgressNote ); |
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196 CleanupStack::Pop( operation ); // ownership transferred |
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197 |
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198 iExporting = ETrue; // exporting part of encoding is being done |
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199 |
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200 DEBUG( CLmkEncoder::StartEncodingL: starting operation ); |
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201 iAOOperation->StartOperation(); |
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202 } |
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203 |
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204 // ----------------------------------------------------------------------------- |
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205 // CLmkEncoder::CancelEncodeOperationL |
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206 // ----------------------------------------------------------------------------- |
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207 // |
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208 EXPORT_C void CLmkEncoder::CancelEncodeOperationL() |
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209 { |
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210 if ( iAOOperation ) |
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211 { |
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212 iAOOperation->Cancel(); |
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213 delete iAOOperation; |
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214 iAOOperation = NULL; |
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215 } |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CLmkEncoder::FinalizeEncodingL |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 void CLmkEncoder::FinalizeEncodingL() |
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223 { |
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224 DEBUG( CLmkEncoder::FinalizeEncodingL entered ); |
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225 |
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226 LeaveIfInUseL(); |
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227 |
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228 CPosLmOperation* operation = iEncoder->FinalizeEncodingL(); |
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229 CleanupStack::PushL( operation ); |
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230 iAOOperation = CLmkAOOperation::NewL( operation, |
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231 *this, |
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232 EEncode, |
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233 iProgressNote ); |
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234 CleanupStack::Pop( operation ); // ownership transferred |
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235 |
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236 iExporting = EFalse; // write to file -part of encoding is being done |
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237 |
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238 DEBUG( CLmkEncoder::FinalizeEncodingL: starting operation ); |
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239 iAOOperation->StartOperation(); |
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240 } |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // CLmkEncoder::LeaveIfInUseL |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 void CLmkEncoder::LeaveIfInUseL() |
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247 { |
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248 if ( iAOOperation ) |
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249 { |
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250 User::Leave( KErrInUse ); |
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251 } |
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252 } |
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253 |
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254 // ----------------------------------------------------------------------------- |
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255 // CLmkEncoder::PrepareEncoderL |
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256 // ----------------------------------------------------------------------------- |
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257 // |
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258 void CLmkEncoder::PrepareEncoderL(const TDesC& aFileName) |
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259 { |
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260 // Full path name (Private path c:\\Provate\\UID3 + pacakge File name) |
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261 HBufC* nameBuf = HBufC::NewLC( 2 * KLmkPackageNameMaxLen + KLmkEncodedDataFileExtension().Length() ); |
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262 |
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263 // For getting private path |
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264 TPtr ptr = nameBuf->Des(); |
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265 RFs fs; |
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266 User::LeaveIfError(fs.Connect()); |
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267 CleanupClosePushL(fs); |
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268 fs.SessionPath(ptr); |
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269 fs.MkDirAll(ptr); |
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270 CleanupStack::PopAndDestroy(); // fs |
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271 |
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272 ptr.Append(aFileName); |
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273 ptr.Append(KLmkEncodedDataFileExtension); |
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274 TInt err = KErrNone; |
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275 |
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276 if ( !iEncoder ) |
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277 { |
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278 DEBUG( CLmkEncoder::StartEncodingL: creating encoder ); |
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279 TRAP(err, iEncoder = CPosLandmarkEncoder::NewL( KLandmarkMimeType )); |
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280 DEBUG( CLmkEncoder::StartEncodingL: encoder created); |
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281 } |
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282 if(err != KErrNone) |
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283 { |
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284 LmkFileUtils::DeleteFileL( ptr ); // Delete old file if it exists |
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285 CleanupStack::PopAndDestroy(nameBuf); //nameBuf |
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286 User::LeaveIfError( err ); |
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287 } |
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288 LmkFileUtils::DeleteFileL( ptr ); // Delete old file if it exists |
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289 iEncoder->SetOutputFileL( ptr ); |
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290 CleanupStack::PopAndDestroy(nameBuf); //nameBuf |
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291 } |
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292 |
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293 // ----------------------------------------------------------------------------- |
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294 // CLmkEncoder::StartEncodingL |
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295 // ----------------------------------------------------------------------------- |
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296 // |
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297 EXPORT_C void CLmkEncoder::StartEncodingL( |
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298 const TDesC& aFileName, |
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299 const RPointerArray<CLmkLandmark>& aLandmarks ) |
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300 { |
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301 DEBUG( CLmkEncoder::StartEncodingL entered ); |
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302 LeaveIfInUseL(); |
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303 PrepareEncoderL(aFileName); |
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304 if (aLandmarks.Count() > 1) // Only if multiple Landmarks Are selected |
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305 { |
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306 // Set the package name here |
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307 SetPackageNameL(aFileName); |
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308 } |
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309 |
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310 CPosLmOperation* operation = |
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311 CLmkEncodeUnsavedLandmarksOp::NewL( *iEncoder, |
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312 aLandmarks, |
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313 CPosLandmarkDatabase::EIncludeCategories); |
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314 CleanupStack::PushL( operation ); |
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315 iAOOperation = CLmkAOOperation::NewL( operation, |
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316 *this, |
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317 EEncode, |
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318 iProgressNote ); |
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319 CleanupStack::Pop( operation ); // ownership transferred |
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320 |
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321 iExporting = ETrue; // exporting part of encoding is being done |
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322 |
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323 DEBUG( CLmkEncoder::StartEncodingL: starting operation ); |
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324 iAOOperation->StartOperation(); |
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325 } |
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326 // End of File |
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