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1 /* |
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2 * Copyright (c) 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: Implementation of CDevEncUiAppUi. |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include <avkon.hrh> |
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20 #include <centralrepository.h> |
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21 #include <DevEncUi.rsg> |
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22 #include <csxhelp/devenc.hlp.hrh> |
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23 #include <e32event.h> |
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24 #include <hlplch.h> // Help launcher |
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25 #include <StringLoader.h> // TBD: Needed? |
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26 #include <w32std.h> |
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27 #include <DevEncExternalCRKeys.h> |
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28 |
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29 #include "DevEncLog.h" |
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30 #include "DevEnc.hrh" |
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31 #include "DevEncUi.pan" |
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32 #include "DevEncUiAppui.h" |
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33 #include "DevEncUiEncrView.h" |
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34 #include "DevEncUiEncryptionOperator.h" |
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35 #include "DevEncUiDecrView.h" |
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36 |
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37 #include "DevEncUiMainView.h" |
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38 #include "DevEncUiMemoryEntity.h" |
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39 #include "DevEncUids.hrh" |
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40 |
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41 #include <AknGlobalNote.h> |
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42 |
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43 //Local definitions |
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44 const TInt KDevEncUiConstructionDelay( 1000000 ); |
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45 |
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46 // ============================ MEMBER FUNCTIONS =============================== |
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47 |
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48 // -------------------------------------------------------------------------- |
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49 // CDevEncUiAppUi::ConstructL() |
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50 // Symbian 2nd phase constructor can leave. |
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51 // -------------------------------------------------------------------------- |
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52 // |
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53 void CDevEncUiAppUi::ConstructL() |
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54 { |
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55 // Initialise app UI with standard value. |
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56 BaseConstructL( EAknEnableSkin | EAknSingleClickCompatible ); |
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57 |
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58 DFLOG( ">>CDevEncUiAppUi::ConstructL" ); |
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59 |
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60 User::LeaveIfError( iFs.Connect() ); |
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61 |
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62 DFLOG( "CDevEncUiAppUi::ConstructL => Create drive path" ); |
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63 // Create private folder. TBD: Needed? |
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64 TInt error = iFs.CreatePrivatePath( EDriveC ); |
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65 if ( error == KErrAlreadyExists ) |
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66 { |
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67 error = KErrNone; |
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68 } |
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69 DFLOG( "CDevEncUiAppUi::ConstructL => Leave ?" ); |
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70 User::LeaveIfError( error ); |
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71 DFLOG( "CDevEncUiAppUi::ConstructL => No, constructing CR" ); |
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72 |
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73 // Central repository settings |
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74 iCrSettings = CRepository::NewL( TUid::Uid( KCRDevEncUiSettings ) ); |
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75 DFLOG( "CDevEncUiAppUi::ConstructL => Adding observer" ); |
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76 |
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77 // Create MMC observer |
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78 iObserver = CMmcObserver::NewL( this, &iFs ); |
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79 iObserver->StartObserver(); |
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80 |
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81 // Call the MMC callback function once to get the initial card status |
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82 MMCStatusChangedL(); |
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83 |
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84 DFLOG( "CDevEncUiAppUi::ConstructL => constructing mass memory" ); |
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85 |
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86 CDevEncUiMemoryEntity* massMemory = CDevEncUiMemoryEntity::NewLC( iEikonEnv, |
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87 EPhoneMemory ); |
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88 |
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89 DFLOG( "CDevEncUiAppUi::ConstructL => adding to mem entities" ); |
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90 iMemEntities.AppendL( massMemory ); |
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91 CleanupStack::Pop( massMemory ); |
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92 |
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93 DFLOG( "CDevEncUiAppUi::ConstructL => constructing memory card" ); |
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94 |
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95 CDevEncUiMemoryEntity* memoryCard = CDevEncUiMemoryEntity::NewLC( iEikonEnv, |
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96 EMemoryCard ); |
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97 |
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98 DFLOG( "CDevEncUiAppUi::ConstructL => adding to mem entities" ); |
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99 iMemEntities.AppendL( memoryCard ); |
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100 CleanupStack::Pop( memoryCard ); |
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101 |
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102 DFLOG( "CDevEncUiAppUi::ConstructL => constructing phone memory" ); |
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103 |
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104 CDevEncUiMemoryEntity* phoneMemory = CDevEncUiMemoryEntity::NewLC( iEikonEnv, |
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105 EPrimaryPhoneMemory ); |
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106 |
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107 DFLOG( "CDevEncUiAppUi::ConstructL => adding to mem entities" ); |
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108 iMemEntities.AppendL( phoneMemory ); |
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109 CleanupStack::Pop( phoneMemory ); |
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110 |
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111 DFLOG( "CDevEncUiAppUi::ConstructL() => Create enc operator" ); |
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112 |
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113 // Create encryption operator |
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114 iEncOperator = CDevEncUiEncryptionOperator::NewL( *iEikonEnv, |
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115 *this, |
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116 iCrSettings ); |
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117 |
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118 DFLOG( "CDevEncUiAppUi::ConstructL() => Create views" ); |
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119 |
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120 // Create views |
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121 iMainView = CDevEncUiMainView::NewL( iMemEntities, |
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122 iCrSettings, |
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123 iMmcStatus ); |
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124 |
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125 AddViewL( iMainView ); // transfer ownership |
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126 |
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127 iEncryptionView = CDevEncUiEncrView::NewL( iMemEntities ); |
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128 AddViewL( iEncryptionView ); // transfer ownership |
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129 |
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130 iDecryptionView = CDevEncUiDecrView::NewL( iMemEntities ); |
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131 AddViewL( iDecryptionView ); // transfer ownership |
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132 |
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133 SetDefaultViewL( *iMainView ); |
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134 |
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135 DFLOG( "ConstructL 6" ); |
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136 |
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137 iConstructionOnGoing = ETrue; |
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138 |
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139 iTimer = CDevEncUiTimer::NewL( this ); |
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140 iTimer->After( KDevEncUiConstructionDelay ); |
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141 |
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142 DFLOG( "<<CDevEncUiAppUi::ConstructL" ); |
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143 } |
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144 |
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145 // -------------------------------------------------------------------------- |
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146 // CDevEncUiAppUi::CDevEncUiAppUi() |
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147 // C++ default constructor can NOT contain any code, that might leave. |
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148 // -------------------------------------------------------------------------- |
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149 // |
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150 CDevEncUiAppUi::CDevEncUiAppUi() |
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151 { |
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152 // No implementation required |
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153 } |
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154 |
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155 // -------------------------------------------------------------------------- |
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156 // CDevEncUiAppUi::~CDevEncUiAppUi() |
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157 // Destructor. |
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158 // -------------------------------------------------------------------------- |
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159 // |
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160 CDevEncUiAppUi::~CDevEncUiAppUi() |
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161 { |
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162 DFLOG( ">>CDevEncUiAppUi::~CDevEncUiAppUi" ); |
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163 delete iObserver; |
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164 iFs.Close(); |
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165 delete iEncOperator; |
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166 if (iMemEntities.Count()) |
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167 iMemEntities[ EMemoryCard ]->RemoveObserver( this ); |
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168 for ( TInt i = 0; i < iMemEntities.Count(); i++ ) |
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169 { |
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170 delete iMemEntities[i]; |
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171 } |
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172 iMemEntities.Close(); |
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173 delete iCrSettings; |
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174 delete iTimer; |
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175 } |
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176 |
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177 // -------------------------------------------------------------------------- |
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178 // CDevEncUiAppUi::HandleCommandL() |
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179 // Takes care of command handling. |
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180 // -------------------------------------------------------------------------- |
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181 // |
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182 void CDevEncUiAppUi::HandleCommandL( TInt aCommand ) |
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183 { |
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184 DFLOG( ">>CDevEncUiAppUi::HandleCommandL" ); |
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185 |
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186 switch( aCommand ) |
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187 { |
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188 // These commands are specific to the memory card |
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189 case EDevEncUiCommandEncryptWithoutSavingKey: // fall through |
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190 case EDevEncUiCommandEncryptAndSaveKey: |
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191 case EDevEncUiCommandEncryptWithRestoredKey: |
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192 { |
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193 // Pass the MMC memory entity to the operator, along with the command |
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194 iEncOperator->HandleMmcEncryptRequestL( iMemEntities[ EMemoryCard ], |
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195 aCommand ); |
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196 break; |
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197 } |
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198 |
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199 case EDevEncUiCommandDecrypt: // fall through |
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200 case EDevEncUiCommandDecryptAndTurnOffEncryption: |
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201 { |
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202 // Pass the MMC memory entity to the operator, along with the command |
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203 iEncOperator->HandleMmcDecryptRequestL( iMemEntities[ EMemoryCard ], |
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204 aCommand ); |
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205 break; |
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206 } |
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207 |
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208 case EDevEncUiCommandHelp: |
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209 { |
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210 DisplayHelpL(); |
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211 break; |
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212 } |
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213 |
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214 case EAknSoftkeyBack: |
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215 { |
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216 // Get the current view |
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217 TVwsViewId wsViewId; |
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218 TInt err = GetActiveViewId( wsViewId ); |
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219 if ( ( err != KErrNone ) || |
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220 ( wsViewId.iAppUid.iUid != KDevEncUiUid ) ) |
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221 { |
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222 User::Leave( err ); |
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223 } |
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224 |
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225 // Go to the main view from the encryption and decryption views |
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226 if ( wsViewId.iViewUid.iUid == EDevEncUiEncrViewId || |
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227 wsViewId.iViewUid.iUid == EDevEncUiDecrViewId ) |
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228 { |
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229 ActivateLocalViewL( TUid::Uid( EDevEncUiMainViewId ) ); |
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230 } |
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231 if ( wsViewId.iViewUid.iUid == EDevEncUiMainViewId ) |
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232 { |
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233 Exit(); |
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234 } |
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235 break; |
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236 } |
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237 |
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238 case EEikCmdExit: // fall through |
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239 case EAknSoftkeyExit: |
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240 { |
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241 Exit(); |
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242 break; |
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243 } |
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244 |
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245 default: |
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246 Panic( EDevEncUi ); |
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247 break; |
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248 } |
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249 } |
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250 |
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251 // -------------------------------------------------------------------------- |
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252 // Called by the framework when the app is moved to or from foreground. |
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253 // |
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254 // -------------------------------------------------------------------------- |
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255 // |
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256 void CDevEncUiAppUi::HandleForegroundEventL( TBool aForeground ) |
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257 { |
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258 DFLOG( "CDevEncUiAppUi::HandleForegroundEventL" ); |
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259 DFLOG2( "CDevEncUiAppUi::HandleForegroundEventL => aForeground = %d ", aForeground ); |
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260 CAknAppUi::HandleForegroundEventL( aForeground ); |
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261 |
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262 iForeground = aForeground; |
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263 |
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264 if( iConstructionOnGoing ) |
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265 { |
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266 DFLOG( "CDevEncUiAppUi::HandleForegroundEventL => Construction on going" ); |
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267 if( iTimer ) |
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268 { |
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269 iTimer->Cancel(); |
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270 } |
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271 iTimer->After( KDevEncUiConstructionDelay ); |
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272 } |
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273 } |
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274 |
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275 // -------------------------------------------------------------------------- |
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276 // Called by the framework before the options menu is shown. |
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277 // Sets the correct menu items. |
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278 // -------------------------------------------------------------------------- |
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279 // |
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280 void CDevEncUiAppUi::DynInitMenuPaneL( TInt /*aResourceId*/, |
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281 CEikMenuPane* /*aMenuPane*/ ) |
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282 { |
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283 } |
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284 |
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285 // -------------------------------------------------------------------------- |
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286 // Called by the framework before the context-sensitive help is shown. |
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287 // Sets the correct menu items. |
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288 // -------------------------------------------------------------------------- |
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289 // |
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290 //CArrayFix<TCoeHelpContext>* CDevEncUiAppUi::HelpContextL() |
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291 // { |
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292 // TCoeHelpContext& aContext |
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293 // } |
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294 |
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295 // -------------------------------------------------------------------------- |
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296 // Called by the framework before the context-sensitive help is shown. |
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297 // Sets the correct menu items. |
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298 // -------------------------------------------------------------------------- |
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299 void CDevEncUiAppUi::DisplayHelpL() |
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300 { |
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301 CArrayFix<TCoeHelpContext>* contexts = |
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302 new ( ELeave ) CArrayFixFlat<TCoeHelpContext>( 1 ); |
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303 CleanupStack::PushL( contexts ); |
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304 TCoeHelpContext context; |
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305 context.iMajor = TUid::Uid( KDevEncUiUid ); |
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306 |
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307 // Get the currently active view |
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308 TVwsViewId wsViewId; |
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309 TInt err = GetActiveViewId( wsViewId ); |
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310 if ( ( err != KErrNone ) || |
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311 ( wsViewId.iAppUid.iUid != KDevEncUiUid ) ) |
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312 { |
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313 User::Leave( err ); |
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314 } |
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315 |
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316 // Set the help context for the current view |
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317 switch ( wsViewId.iViewUid.iUid ) |
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318 { |
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319 case EDevEncUiEncrViewId: |
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320 { |
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321 context.iContext = KES_HLP_ENCRYPTION_ENCRYPT; |
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322 } |
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323 break; |
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324 case EDevEncUiDecrViewId: |
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325 { |
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326 context.iContext = KES_HLP_ENCRYPTION_DECRYPT; |
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327 } |
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328 break; |
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329 default: // Main view |
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330 { |
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331 context.iContext = KES_HLP_ENCRYPTION_MAIN; |
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332 } |
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333 break; |
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334 } |
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335 |
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336 contexts->AppendL( context ); |
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337 CleanupStack::Pop( contexts ); |
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338 HlpLauncher::LaunchHelpApplicationL( iCoeEnv->WsSession(), contexts ); |
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339 } |
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340 |
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341 // -------------------------------------------------------------------------- |
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342 // Called by CDevEncMmcObserver when MMC status changes. |
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343 // |
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344 // -------------------------------------------------------------------------- |
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345 void CDevEncUiAppUi::MMCStatusChangedL() |
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346 { |
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347 DFLOG( "CDevEncUiAppUi::MMCStatusChangedL" ); |
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348 TVolumeInfo volInfo; |
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349 |
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350 TInt err = iFs.Volume( volInfo, /*EDriveE*/EDriveF ); |
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351 switch ( err ) |
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352 { |
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353 case KErrNone: |
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354 { |
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355 // Readable MMC inserted |
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356 DFLOG( "MMC inserted" ); |
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357 iMmcStatus = EMmcOk; |
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358 break; |
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359 } |
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360 |
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361 case KErrNotReady: |
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362 { |
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363 // MMC ejected |
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364 DFLOG( "MMC ejected" ); |
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365 iMmcStatus = EMmcNotPresent; |
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366 break; |
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367 } |
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368 |
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369 case KErrCorrupt: |
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370 { |
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371 // Corrupt or unformatted MMC, or wrong key |
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372 DFLOG( "MMC corrupt, unformatted or encrypted with other key" ); |
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373 iMmcStatus = EMmcNotReadable; |
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374 break; |
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375 } |
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376 |
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377 default: |
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378 { |
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379 DFLOG2( "RFs::Volume returned error %d", err ); |
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380 break; |
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381 } |
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382 } // switch |
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383 } |
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384 |
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385 // -------------------------------------------------------------------------- |
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386 // Called by memory entity when memory status changes. |
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387 // |
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388 // -------------------------------------------------------------------------- |
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389 void CDevEncUiAppUi::UpdateInfo( TDevEncUiMemoryType aType, |
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390 TUint aState, |
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391 TUint /*aProgress*/ ) |
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392 { |
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393 DFLOG( "CDevEncUiAppUi::UpdateInfo" ); |
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394 TInt error( KErrNone ); |
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395 TRAP( error, DoUpdateInfoL( aType, aState ) ); |
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396 DFLOG2( "CDevEncUiAppUi::DoUpdateInfo returned %d", error ); |
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397 } |
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398 |
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399 // -------------------------------------------------------------------------- |
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400 // Helper function called by UpdateInfo when memory status changes. |
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401 // |
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402 // -------------------------------------------------------------------------- |
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403 void CDevEncUiAppUi::DoUpdateInfoL( TDevEncUiMemoryType aType, |
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404 TUint aState ) |
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405 { |
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406 DFLOG( ">>CDevEncUiAppUi::DoUpdateInfoL" ); |
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407 if ( aType != EMemoryCard ) |
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408 { |
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409 return; |
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410 } |
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411 |
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412 // Prevent re-entry |
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413 if ( iStatusUpdateOngoing ) |
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414 { |
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415 return; |
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416 } |
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417 iStatusUpdateOngoing = ETrue; |
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418 |
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419 DFLOG3( "CDevEncUiAppUi::DoUpdateInfoL, type %d, state %d", |
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420 aType, aState ); |
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421 DFLOG2( "Mmc state %d", iMmcStatus ); |
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422 DFLOG2( "Enc state %d", iMmcEncState ); |
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423 |
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424 // Check encryption key status |
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425 TInt mmcKeyInDriver( 0 ); |
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426 iCrSettings->Get( KDevEncUserSettingMemoryCard, mmcKeyInDriver ); |
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427 |
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428 if ( ( iMmcStatus == EMmcOk ) && |
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429 ( iMmcEncState == EUnmounted ) && |
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430 ( aState == EDecrypted ) ) |
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431 { |
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432 // A readable memory card has just been inserted |
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433 |
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434 if ( mmcKeyInDriver ) |
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435 { |
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436 // We have a valid encryption key, but the newly inserted |
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437 // card is decrypted. Ask if the user wants to encrypt. |
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438 // (see UI spec 2.13) |
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439 iEncOperator->SuggestMmcEncryptionL( |
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440 iMemEntities[ EMemoryCard ] ); |
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441 } |
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442 } |
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443 |
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444 if ( ( iMmcStatus == EMmcNotReadable ) && |
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445 ( iMmcEncState == EUnmounted ) && |
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446 ( aState == ECorrupted ) ) |
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447 { |
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448 // An unreadable memory card has just been inserted |
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449 |
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450 if ( mmcKeyInDriver ) |
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451 { |
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452 // We seem to have the wrong encryption key in the driver. |
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453 // Inform the user that the card cannot be used. |
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454 // (see UI spec 2.16) |
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455 iEncOperator->ErrorNoteL( |
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456 R_DEVENCUI_TEXT_NOTE_INSERTON_UNUSEDMEMORYCARD ); |
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457 } |
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458 else |
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459 { |
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460 DFLOG( "CDevEncUiAppUi::DoUpdateInfoL => SuggestMmcDecryption" ); |
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461 // We have no encryption key in the driver. |
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462 // Ask if the user wants to import a key and decrypt. |
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463 // (see UI spec 2.17) |
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464 iEncOperator->SuggestMmcDecryptionL( |
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465 iMemEntities[ EMemoryCard ] ); |
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466 } |
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467 } |
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468 |
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469 iMmcEncState = aState; |
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470 iStatusUpdateOngoing = EFalse; |
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471 DFLOG( "<<CDevEncUiAppUi::DoUpdateInfoL" ); |
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472 } |
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473 |
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474 // -------------------------------------------------------------------------- |
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475 // Called by the CDevEncUiTimer when the event is generated. |
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476 // |
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477 // -------------------------------------------------------------------------- |
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478 void CDevEncUiAppUi::Timeout() |
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479 { |
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480 DFLOG( "CDevEncUiAppUi::Timeout()" ); |
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481 |
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482 if( iForeground ) |
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483 { |
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484 DFLOG( "CDevEncUiAppUi::Timeout() => Construction completed" ); |
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485 //the construction is completed now |
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486 iConstructionOnGoing = EFalse; |
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487 // This class needs to observe memory card status changes. |
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488 // (This call results in a call to UpdateInfo, hence we need to be fully |
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489 // constructed before this.) |
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490 TRAP_IGNORE(iMemEntities[ EMemoryCard ]->AddObserverL( this )); |
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491 |
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492 } |
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493 } |
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494 |
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495 // ----------------------------------------------------------------------------- |
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496 // CDevEncUiAppUi::ProcessCommandParametersL |
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497 // From CEikAppUi |
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498 // ----------------------------------------------------------------------------- |
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499 // |
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500 TBool CDevEncUiAppUi::ProcessCommandParametersL( |
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501 TApaCommand /*aCommand*/, |
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502 TFileName& /*aDocumentName*/, |
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503 const TDesC8& /*aTail*/ ) |
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504 { |
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505 return ETrue; |
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506 } |
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507 |
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508 // ----------------------------------------------------------------------------- |
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509 // CDevEncUiAppUi::OpenFileL |
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510 // ----------------------------------------------------------------------------- |
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511 // |
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512 void CDevEncUiAppUi::OpenFileL(const TDesC& /*aFilename*/) |
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513 { |
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514 DFLOG("CDevEncUiAppUi::OpenFileL"); |
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515 } |
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516 |
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517 // ----------------------------------------------------------------------------- |
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518 // CDevEncUiAppUi::OpenFileL() |
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519 // ----------------------------------------------------------------------------- |
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520 // |
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521 void CDevEncUiAppUi::OpenFileL(RFile& aFile) |
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522 { |
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523 _LIT(KTargetDir,"c:\\data\\others\\"); |
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524 TBuf16<100> destinationPath; |
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525 destinationPath.Copy( KTargetDir ); |
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526 TBuf16<250> sourcePath; |
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527 aFile.FullName( sourcePath ); |
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528 |
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529 // if the paths are the same, the copy operation will not be executed |
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530 if ( sourcePath.Left( destinationPath.Length() ).CompareF( destinationPath ) ) |
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531 { |
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532 // copy the file to Others folder |
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533 TRAPD(err, CopyL( sourcePath, destinationPath )); |
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534 |
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535 if( err == KErrNone ) |
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536 { |
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537 iEncOperator->InfoNoteL( R_DEVENCUI_TEXT_NOTE_SAVEINFO, ETrue ); |
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538 ActivateLocalViewL( TUid::Uid( EDevEncUiMainViewId ) ); |
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539 } |
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540 else |
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541 { |
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542 Exit(); |
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543 } |
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544 } |
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545 else |
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546 { |
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547 ActivateLocalViewL( TUid::Uid( EDevEncUiMainViewId ) ); |
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548 } |
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549 } |
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550 |
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551 // ----------------------------------------------------------------------------- |
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552 // CDevEncUiAppUi::Copy() |
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553 // ----------------------------------------------------------------------------- |
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554 // |
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555 void CDevEncUiAppUi::CopyL(const TDesC &anOld, const TDesC &aNew) |
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556 { |
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557 CFileMan* fileMan=CFileMan::NewL( iFs ); |
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558 CleanupStack::PushL( fileMan ); |
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559 |
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560 User::LeaveIfError(fileMan->Copy( anOld, aNew )); |
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561 |
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562 CleanupStack::PopAndDestroy( fileMan ); |
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563 } |
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564 |
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565 // End of File |