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 CDevEncUiMemoryEntity. |
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15 * |
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16 */ |
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17 |
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18 #include "DevEncLog.h" |
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19 #include "DevEncUiMemoryEntity.h" |
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20 #include "DevEncUiMemInfoObserver.h" |
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21 |
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22 #include "DevEncDiskUtils.h" |
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23 #include "DevEncSession.h" |
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24 #include <f32file.h> // for TDriveNumer |
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25 #include <DevEncEngineConstants.h> |
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26 #include <TerminalControl3rdPartyAPI.h> |
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27 |
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28 // Local definitions |
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29 const TInt KPercent100( 100 ); |
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30 const TTimeIntervalMicroSeconds32 KProgressInterval( 500000 ); // ms, 0.5 seconds |
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31 const TTimeIntervalMicroSeconds32 KPollInterval( 2000000 ); // ms, 2 seconds |
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32 |
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33 // -------------------------------------------------------------------------- |
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34 // CDevEncUiMemoryEntity::CDevEncUiMemoryEntity() |
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35 // |
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36 // -------------------------------------------------------------------------- |
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37 CDevEncUiMemoryEntity::CDevEncUiMemoryEntity( |
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38 CEikonEnv* aEikonEnv, |
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39 TDevEncUiMemoryType aType ) |
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40 : iEikEnv( aEikonEnv ), |
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41 iType( aType ) |
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42 { |
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43 // TBI: Get the real states from the underlying SW levels |
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44 iState = EDecrypted; |
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45 } |
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46 |
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47 |
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48 // -------------------------------------------------------------------------- |
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49 // CDevEncUiMemoryEntity::~CDevEncUiMemoryEntity() |
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50 // |
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51 // -------------------------------------------------------------------------- |
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52 CDevEncUiMemoryEntity::~CDevEncUiMemoryEntity() |
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53 { |
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54 if ( iPeriodic ) |
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55 { |
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56 iPeriodic->Cancel(); |
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57 delete iPeriodic; |
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58 } |
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59 iObservers.Close(); |
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60 if ( iSession ) |
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61 { |
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62 iSession->Close(); |
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63 delete iSession; |
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64 } |
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65 delete iDiskStatusObserver; |
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66 } |
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67 |
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68 // -------------------------------------------------------------------------- |
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69 // CDevEncUiMemoryEntity::NewL() |
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70 // |
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71 // -------------------------------------------------------------------------- |
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72 CDevEncUiMemoryEntity* CDevEncUiMemoryEntity::NewL( |
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73 CEikonEnv* aEikonEnv, |
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74 TDevEncUiMemoryType aType ) |
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75 { |
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76 CDevEncUiMemoryEntity* self = |
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77 CDevEncUiMemoryEntity::NewLC( aEikonEnv, aType ); |
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78 CleanupStack::Pop( self ); |
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79 return self; |
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80 } |
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81 |
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82 // -------------------------------------------------------------------------- |
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83 // CDevEncUiMemoryEntity::NewLC() |
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84 // |
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85 // -------------------------------------------------------------------------- |
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86 CDevEncUiMemoryEntity* CDevEncUiMemoryEntity::NewLC( |
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87 CEikonEnv* aEikonEnv, |
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88 TDevEncUiMemoryType aType ) |
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89 { |
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90 CDevEncUiMemoryEntity* self = |
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91 new ( ELeave ) CDevEncUiMemoryEntity( aEikonEnv, aType ); |
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92 CleanupStack::PushL( self ); |
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93 self->ConstructL(); |
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94 return self; |
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95 } |
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96 |
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97 // -------------------------------------------------------------------------- |
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98 // CDevEncUiMemoryEntity::ConstructL() |
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99 // |
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100 // -------------------------------------------------------------------------- |
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101 void CDevEncUiMemoryEntity::ConstructL() |
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102 { |
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103 DFLOG2( ">>CDevEncUiMemoryEntity::ConstructL, drive = %d", iType ); |
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104 |
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105 switch( iType ) |
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106 { |
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107 case EPhoneMemory: iSession = new ( ELeave ) CDevEncSession( /*EDriveC*/EDriveE ); |
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108 iDiskStatusObserver = CDiskStatusObserver::NewL( this, /*EDriveC*/EDriveE ); |
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109 break; |
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110 |
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111 case EPrimaryPhoneMemory: iSession = new ( ELeave ) CDevEncSession( EDriveC ); |
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112 iDiskStatusObserver = CDiskStatusObserver::NewL( this, EDriveC ); |
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113 break; |
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114 |
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115 case EMemoryCard: iSession = new ( ELeave ) CDevEncSession( /*EDriveE*/EDriveF ); |
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116 iDiskStatusObserver = CDiskStatusObserver::NewL( this, /*EDriveE*/EDriveF ); |
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117 break; |
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118 } |
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119 |
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120 // Get initial memory state |
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121 TInt nfeDiskStatus( EUnmounted ); |
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122 #ifndef __WINS__ |
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123 User::LeaveIfError( iSession->Connect() ); |
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124 TInt err = iSession->DiskStatus( nfeDiskStatus ); |
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125 if ( err ) |
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126 { |
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127 DFLOG2( "Could not get disk status, error %d", err ); |
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128 nfeDiskStatus = EDecrypted; |
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129 //User::Leave( err ); |
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130 } |
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131 #else |
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132 nfeDiskStatus = EDecrypted; |
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133 #endif |
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134 SetState( nfeDiskStatus ); |
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135 |
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136 if ( ( iState == EEncrypting ) || |
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137 ( iState == EDecrypting ) ) |
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138 { |
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139 // If the app was started in the middle of an ongoing operation, |
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140 // start polling the progress |
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141 StartPolling( KProgressInterval ); |
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142 } |
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143 else |
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144 { |
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145 // Otherwise poll every once in a while to see if the status changes |
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146 //StartPolling( KPollInterval ); |
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147 } |
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148 |
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149 DFLOG( "<<CDevEncUiMemoryEntity::ConstructL" ); |
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150 } |
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151 |
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152 // -------------------------------------------------------------------------- |
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153 // CDevEncUiMemoryEntity::AddObserverL() |
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154 // |
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155 // -------------------------------------------------------------------------- |
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156 void CDevEncUiMemoryEntity::AddObserverL( MDevEncUiMemInfoObserver* aInfoObserver ) |
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157 { |
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158 DFLOG( "CDevEncUiMemoryEntity::AddObserverL" ); |
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159 if ( !aInfoObserver ) |
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160 { |
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161 User::Leave( KErrArgument ); |
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162 } |
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163 iObservers.AppendL( aInfoObserver ); |
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164 |
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165 // The new observer probably wants to know the current states |
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166 UpdateMemoryInfo(); |
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167 } |
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168 |
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169 // -------------------------------------------------------------------------- |
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170 // CDevEncUiMemoryEntity::RemoveObserver() |
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171 // |
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172 // -------------------------------------------------------------------------- |
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173 void CDevEncUiMemoryEntity::RemoveObserver( MDevEncUiMemInfoObserver* aInfoObserver ) |
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174 { |
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175 if ( !aInfoObserver ) |
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176 { |
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177 return; |
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178 } |
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179 TInt index( iObservers.Find( aInfoObserver ) ); |
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180 if ( index != KErrNotFound ) |
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181 { |
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182 iObservers.Remove( index ); |
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183 } |
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184 } |
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185 |
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186 // -------------------------------------------------------------------------- |
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187 // CDevEncUiMemoryEntity::StartEncryptionL() |
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188 // |
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189 // -------------------------------------------------------------------------- |
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190 void CDevEncUiMemoryEntity::StartEncryptionL() |
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191 { |
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192 DFLOG( ">>CDevEncUiMemoryEntity::StartEncryptionL" ); |
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193 |
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194 #ifndef __WINS__ |
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195 |
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196 if ( ! iSession->Connected() ) |
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197 { |
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198 User::LeaveIfError( iSession->Connect() ); |
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199 DFLOG( "Connected" ); |
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200 } |
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201 |
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202 // Make sure the memory is decrypted |
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203 TInt nfeDiskStatus( EUnmounted ); |
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204 TInt err = iSession->DiskStatus( nfeDiskStatus ); |
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205 if ( err ) |
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206 { |
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207 DFLOG2( "Could not get disk status, error %d", err ); |
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208 User::Leave( err ); |
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209 } |
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210 if ( nfeDiskStatus != EDecrypted ) |
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211 { |
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212 DFLOG2( "Memory is in wrong state (%d), leaving", nfeDiskStatus ); |
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213 User::Leave( KErrNotReady ); |
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214 } |
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215 |
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216 // Launch the encryption process |
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217 err = iSession->StartDiskEncrypt(); |
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218 if ( err ) |
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219 { |
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220 DFLOG2( "Could not start encryption, error %d", err ); |
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221 User::Leave( err ); |
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222 } |
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223 |
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224 // Set our internal state and update UI |
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225 iPercentDone = 0; |
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226 SetState( EEncrypting ); |
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227 |
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228 // Start a timer to periodically update the memory state in the UI |
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229 StartPolling( KProgressInterval ); |
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230 |
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231 #endif // __WINS__ |
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232 |
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233 DFLOG( "<<CDevEncUiMemoryEntity::StartEncryptionL" ); |
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234 } |
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235 |
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236 // -------------------------------------------------------------------------- |
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237 // CDevEncUiMemoryEntity::StartPolling() |
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238 // Starts a timer to periodically update the memory state in the UI |
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239 // -------------------------------------------------------------------------- |
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240 void CDevEncUiMemoryEntity::StartPolling( |
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241 TTimeIntervalMicroSeconds32 aInterval ) |
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242 { |
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243 TInt error( KErrNone ); |
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244 TRAP( error, DoStartPollingL( aInterval ) ); |
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245 DFLOG2( "CDevEncUiMemoryEntity::StartPolling result %d", error ); |
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246 } |
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247 |
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248 // -------------------------------------------------------------------------- |
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249 // CDevEncUiMemoryEntity::DoStartPollingL() |
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250 // Starts a timer to periodically update the memory state in the UI |
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251 // -------------------------------------------------------------------------- |
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252 void CDevEncUiMemoryEntity::DoStartPollingL( |
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253 TTimeIntervalMicroSeconds32 aInterval ) |
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254 { |
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255 TCallBack pollCallBack( PollTick, static_cast<TAny*>( this ) ); |
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256 TCallBack progressCallBack( ProgressTick, static_cast<TAny*>( this ) ); |
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257 |
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258 if ( !iPeriodic ) |
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259 { |
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260 iPeriodic = CPeriodic::NewL( EPriorityNormal ); |
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261 } |
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262 iPeriodic->Cancel(); |
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263 |
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264 if ( aInterval == KProgressInterval ) |
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265 { |
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266 iPeriodic->Start( 0, aInterval, progressCallBack ); |
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267 } |
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268 else |
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269 { |
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270 iPeriodic->Start( 0, aInterval, pollCallBack ); |
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271 } |
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272 } |
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273 |
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274 // -------------------------------------------------------------------------- |
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275 // CDevEncUiMemoryEntity::StartDecryptionL() |
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276 // |
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277 // -------------------------------------------------------------------------- |
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278 void CDevEncUiMemoryEntity::StartDecryptionL() |
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279 { |
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280 DFLOG( ">>CDevEncUiMemoryEntity::StartDecryptionL" ); |
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281 |
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282 #ifndef __WINS__ |
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283 |
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284 if ( ! iSession->Connected() ) |
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285 { |
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286 User::LeaveIfError( iSession->Connect() ); |
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287 DFLOG( "Connected " ); |
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288 } |
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289 |
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290 // Make sure the memory is encrypted |
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291 TInt nfeDiskStatus( EUnmounted ); |
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292 TInt err = iSession->DiskStatus( nfeDiskStatus ); |
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293 if ( err ) |
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294 { |
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295 DFLOG2( "Could not get disk status, error %d", err ); |
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296 //User::Leave( err ); |
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297 } |
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298 if ( nfeDiskStatus != EEncrypted ) |
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299 { |
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300 DFLOG2( "Memory is in wrong state (%d), leaving", nfeDiskStatus ); |
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301 User::Leave( KErrNotReady ); |
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302 } |
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303 |
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304 // Launch the decryption process |
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305 err = iSession->StartDiskDecrypt(); |
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306 if ( err ) |
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307 { |
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308 DFLOG2( "Could not start decryption, error %d", err ); |
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309 User::Leave( err ); |
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310 } |
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311 |
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312 // Set our internal state and update UI |
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313 iPercentDone = 0; |
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314 SetState( EDecrypting ); |
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315 |
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316 // Start a timer to periodically update the memory state in the UI |
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317 StartPolling( KProgressInterval ); |
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318 |
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319 #endif // __WINS__ |
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320 |
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321 DFLOG( "<<CDevEncUiMemoryEntity::StartDecryptionL" ); |
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322 } |
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323 |
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324 // -------------------------------------------------------------------------- |
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325 // CDevEncUiMemoryEntity::ProgressTick() |
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326 // |
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327 // -------------------------------------------------------------------------- |
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328 TInt CDevEncUiMemoryEntity::ProgressTick( TAny* aPtr ) |
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329 { |
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330 CDevEncUiMemoryEntity* self = static_cast<CDevEncUiMemoryEntity*>( aPtr ); |
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331 self->DoProgressTick(); |
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332 return 0; |
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333 } |
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334 |
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335 // -------------------------------------------------------------------------- |
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336 // CDevEncUiMemoryEntity::DoProgressTick() |
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337 // |
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338 // -------------------------------------------------------------------------- |
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339 void CDevEncUiMemoryEntity::DoProgressTick() |
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340 { |
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341 CheckProgress(); |
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342 } |
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343 |
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344 // -------------------------------------------------------------------------- |
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345 // CDevEncUiMemoryEntity::PollTick() |
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346 // |
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347 // -------------------------------------------------------------------------- |
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348 TInt CDevEncUiMemoryEntity::PollTick( TAny* aPtr ) |
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349 { |
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350 CDevEncUiMemoryEntity* self = static_cast<CDevEncUiMemoryEntity*>( aPtr ); |
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351 TInt error( KErrNone ); |
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352 TRAP( error, self->DoPollTickL() ); |
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353 DFLOG2( "CDevEncUiMemoryEntity::PollTick result %d", error ); |
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354 return 0; |
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355 } |
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356 |
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357 // -------------------------------------------------------------------------- |
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358 // CDevEncUiMemoryEntity::DoPollTickL() |
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359 // |
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360 // -------------------------------------------------------------------------- |
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361 void CDevEncUiMemoryEntity::DoPollTickL() |
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362 { |
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363 DFLOG( "CDevEncUiMemoryEntity::DoPollTickL" ); |
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364 TInt nfeDiskStatus( EUnmounted ); |
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365 TInt err = iSession->DiskStatus( nfeDiskStatus ); |
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366 if ( err ) |
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367 { |
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368 DFLOG2( "Could not get disk status, error %d", err ); |
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369 // Ignore error |
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370 return; |
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371 } |
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372 if ( ( nfeDiskStatus == EEncrypting ) || |
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373 ( nfeDiskStatus == EDecrypting ) ) |
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374 { |
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375 // Some other component has started an encryption operation. |
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376 // Indicate this to the UI and start polling the progress. |
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377 DFLOG2( "CDevEncUiMemoryEntity::DoPollTick: New operation %d", |
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378 nfeDiskStatus ); |
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379 SetState( nfeDiskStatus ); |
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380 StartPolling( KProgressInterval ); |
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381 } |
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382 else |
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383 { |
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384 if ( iState != nfeDiskStatus ) |
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385 { |
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386 DFLOG( "CDevEncUiMemoryEntity::DoPollTickL => SetState" ); |
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387 // The Mmc status has changed, but we are not in the middle of |
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388 // any operation. Just set the new state. |
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389 SetState( nfeDiskStatus ); |
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390 } |
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391 } |
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392 } |
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393 |
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394 // -------------------------------------------------------------------------- |
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395 // CDevEncUiMemoryEntity::SetState() |
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396 // |
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397 // -------------------------------------------------------------------------- |
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398 void CDevEncUiMemoryEntity::SetState( TUint aState ) |
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399 { |
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400 DFLOG3( "CDevEncUiMemoryEntity::SetState, prev %d, new %d", |
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401 iState, aState ); |
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402 iState = aState; |
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403 UpdateMemoryInfo(); |
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404 } |
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405 |
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406 // -------------------------------------------------------------------------- |
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407 // CDevEncUiMemoryEntity::CheckProgress() |
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408 // |
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409 // -------------------------------------------------------------------------- |
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410 void CDevEncUiMemoryEntity::CheckProgress() |
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411 { |
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412 ASSERT( iSession ); |
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413 ASSERT( iSession->Connected() ); |
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414 |
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415 TInt err = iSession->Progress( iPercentDone ); |
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416 |
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417 if ( err ) |
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418 { |
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419 DFLOG( "Could not get progress" ); |
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420 iPeriodic->Cancel(); |
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421 } |
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422 else if ( iPercentDone >= KPercent100 ) |
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423 { |
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424 DFLOG( "Operation complete" ); |
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425 iPeriodic->Cancel(); |
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426 iPercentDone = 0; |
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427 |
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428 // The disk needs to be finalized, but the finalization is done in |
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429 // the starter component. |
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430 |
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431 DFLOG2( "CDevEncUiMemoryEntity::CheckProgress => iSession->DriveNumber() = %d", iSession->DriveNumber() ); |
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432 |
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433 if ( iState == EDecrypted && iSession->DriveNumber() == EDriveC ) |
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434 { |
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435 DFLOG( "CDevEncUiMemoryEntity::CheckProgress => RestoreAutolockSettings" ); |
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436 RestoreAutolockSettings(); |
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437 } |
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438 // Restart the polling at a slower pace |
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439 // StartPolling( KPollInterval ); |
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440 } |
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441 else // Not yet finished... |
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442 { |
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443 UpdateMemoryInfo(); |
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444 } |
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445 } |
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446 |
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447 // -------------------------------------------------------------------------- |
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448 // CDevEncUiMemoryEntity::RestoreAutolockSettings() |
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449 // |
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450 // -------------------------------------------------------------------------- |
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451 void CDevEncUiMemoryEntity::RestoreAutolockSettings() |
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452 { |
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453 #ifndef __WINS__ |
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454 //the user chose to decrypt the phone memory. restore the previuos autolock settings |
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455 RTerminalControl terminalCtrl; |
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456 TInt ctrlConnect = terminalCtrl.Connect(); |
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457 DFLOG2( "DEVENC: terminal control connected %d", ctrlConnect ); |
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458 |
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459 RTerminalControl3rdPartySession session; |
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460 TInt retValue = session.Open( terminalCtrl ); |
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461 DFLOG2( "DEVENC: terminal control session open %d", retValue ); |
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462 |
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463 //read the current autolock period |
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464 TBuf8<21> autoLockPeriodBuf; |
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465 TInt err2 = session.GetDeviceLockParameter( RTerminalControl3rdPartySession::ETimeout, autoLockPeriodBuf ); |
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466 DFLOG2( "DEVENC: max value get returned value %d", err2 ); |
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467 |
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468 //this is set to 0 because the Tarm control prevent the autolock from being disabled otherwise. |
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469 TBuf8<21> oldMaxPeriodBuf; |
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470 oldMaxPeriodBuf.AppendNum( 0 ); |
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471 TInt err = session.SetDeviceLockParameter( RTerminalControl3rdPartySession::EMaxTimeout, oldMaxPeriodBuf ); |
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472 DFLOG2( "DEVENC: max value set returned value %d", err ); |
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473 |
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474 //set the autolock period as it was previously |
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475 err = session.SetDeviceLockParameter( RTerminalControl3rdPartySession::ETimeout, autoLockPeriodBuf ); |
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476 DFLOG2( "DEVENC: max value set returned value %d", err ); |
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477 |
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478 session.Close(); |
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479 terminalCtrl.Close(); |
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480 #endif |
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481 } |
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482 |
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483 // -------------------------------------------------------------------------- |
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484 // CDevEncUiMemoryEntity::UpdateMemoryInfo() |
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485 // |
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486 // -------------------------------------------------------------------------- |
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487 void CDevEncUiMemoryEntity::UpdateMemoryInfo() |
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488 { |
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489 DFLOG( "CDevEncUiMemoryEntity::UpdateMemoryInfo" ); |
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490 for ( TInt i = 0; i < iObservers.Count(); i++ ) |
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491 { |
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492 iObservers[i]->UpdateInfo( iType, iState, iPercentDone ); |
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493 } |
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494 } |
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495 |
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496 // -------------------------------------------------------------------------- |
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497 // CDevEncUiMemoryEntity::State() |
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498 // |
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499 // -------------------------------------------------------------------------- |
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500 TUint CDevEncUiMemoryEntity::State() const |
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501 { |
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502 return iState; |
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503 } |
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504 |
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505 // -------------------------------------------------------------------------- |
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506 // CDevEncUiMemoryEntity::DiskStatusChangedL() |
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507 // From MDiskStatusObserver |
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508 // -------------------------------------------------------------------------- |
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509 void CDevEncUiMemoryEntity::DiskStatusChangedL( TInt aNfeStatus ) |
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510 { |
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511 if ( ( aNfeStatus == EEncrypting ) || |
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512 ( aNfeStatus == EDecrypting ) ) |
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513 { |
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514 // Some other component has started an encryption operation. |
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515 // Indicate this to the UI and start polling the progress. |
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516 DFLOG2( "CDevEncStarterMemoryEntity::DoPollTick: New operation %d", |
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517 aNfeStatus ); |
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518 SetState( aNfeStatus ); |
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519 StartPolling( KProgressInterval ); |
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520 } |
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521 else |
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522 { |
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523 if ( iState != aNfeStatus ) |
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524 { |
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525 // The Mmc status has changed, but we are not in the middle of |
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526 // any operation. Just set the new state. |
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527 SetState( aNfeStatus ); |
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528 } |
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529 } |
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530 } |
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531 |
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532 // End of File |
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533 |
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534 |
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535 |
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