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1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implementation of CDevEncUiMemoryEntity |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "DevEncLog.h" |
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20 #include "DevEncStarterMemoryEntity.h" |
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21 #include "DevEncUiMemInfoObserver.h" |
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22 |
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23 #include <DevEncDiskUtils.h> |
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24 #include <DevEncSession.h> |
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25 #include <f32file.h> // for TDriveNumer |
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26 #include <DevEncEngineConstants.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 // CDevEncStarterMemoryEntity::CDevEncStarterMemoryEntity() |
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35 // |
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36 // -------------------------------------------------------------------------- |
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37 CDevEncStarterMemoryEntity::CDevEncStarterMemoryEntity( |
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38 TDevEncUiMemoryType aType ) |
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39 : iType( aType ) |
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40 { |
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41 // TBI: Get the real states from the underlying SW levels |
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42 iState = EDecrypted; |
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43 } |
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44 |
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45 |
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46 // -------------------------------------------------------------------------- |
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47 // CDevEncStarterMemoryEntity::~CDevEncStarterMemoryEntity() |
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48 // |
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49 // -------------------------------------------------------------------------- |
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50 CDevEncStarterMemoryEntity::~CDevEncStarterMemoryEntity() |
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51 { |
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52 if ( iPeriodic ) |
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53 { |
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54 iPeriodic->Cancel(); |
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55 delete iPeriodic; |
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56 } |
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57 |
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58 iObservers.Close(); |
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59 delete iSession; |
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60 delete iDiskStatusObserver; |
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61 } |
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62 |
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63 // -------------------------------------------------------------------------- |
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64 // CDevEncStarterMemoryEntity::NewL() |
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65 // |
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66 // -------------------------------------------------------------------------- |
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67 CDevEncStarterMemoryEntity* CDevEncStarterMemoryEntity::NewL( |
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68 TDevEncUiMemoryType aType ) |
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69 { |
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70 CDevEncStarterMemoryEntity* self = |
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71 CDevEncStarterMemoryEntity::NewLC( aType ); |
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72 CleanupStack::Pop( self ); |
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73 return self; |
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74 } |
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75 |
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76 // -------------------------------------------------------------------------- |
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77 // CDevEncStarterMemoryEntity::NewLC() |
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78 // |
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79 // -------------------------------------------------------------------------- |
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80 CDevEncStarterMemoryEntity* CDevEncStarterMemoryEntity::NewLC( |
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81 TDevEncUiMemoryType aType ) |
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82 { |
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83 CDevEncStarterMemoryEntity* self = |
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84 new ( ELeave ) CDevEncStarterMemoryEntity( aType ); |
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85 CleanupStack::PushL( self ); |
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86 self->ConstructL(); |
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87 return self; |
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88 } |
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89 |
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90 // -------------------------------------------------------------------------- |
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91 // CDevEncStarterMemoryEntity::ConstructL() |
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92 // |
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93 // -------------------------------------------------------------------------- |
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94 void CDevEncStarterMemoryEntity::ConstructL() |
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95 { |
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96 DFLOG( ">>CDevEncStarterMemoryEntity::ConstructL" ); |
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97 switch( iType ) |
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98 { |
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99 case EPhoneMemory: iSession = new ( ELeave ) CDevEncSession( /*EDriveC*/EDriveE ); |
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100 iDiskStatusObserver = CDiskStatusObserver::NewL( this, /*EDriveC*/EDriveE ); |
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101 break; |
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102 |
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103 case EPrimaryPhoneMemory: iSession = new ( ELeave ) CDevEncSession( EDriveC ); |
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104 iDiskStatusObserver = CDiskStatusObserver::NewL( this, EDriveC ); |
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105 break; |
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106 |
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107 case EMemoryCard: iSession = new ( ELeave ) CDevEncSession( /*EDriveE*/EDriveF ); |
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108 iDiskStatusObserver = CDiskStatusObserver::NewL( this, /*EDriveE*/EDriveF ); |
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109 break; |
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110 } |
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111 |
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112 User::LeaveIfError( iSession->Connect() ); |
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113 |
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114 // Get initial memory state |
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115 TInt nfeDiskStatus( EUnmounted ); |
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116 #ifndef __WINS__ |
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117 TInt err = iSession->DiskStatus( nfeDiskStatus ); |
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118 if ( err ) |
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119 { |
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120 DFLOG2( "DevEncStarter: Could not get disk status, error %d", err ); |
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121 nfeDiskStatus = EDecrypted; |
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122 //User::Leave( err ); |
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123 } |
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124 #else |
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125 nfeDiskStatus = EDecrypted; |
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126 #endif |
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127 SetState( nfeDiskStatus ); |
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128 |
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129 if ( ( iState == EEncrypting ) || |
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130 ( iState == EDecrypting ) ) |
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131 { |
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132 // If the app was started in the middle of an ongoing operation, |
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133 // start polling the progress |
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134 StartPolling( KProgressInterval ); |
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135 } |
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136 else |
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137 { |
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138 // Otherwise poll every once in a while to see if the status changes |
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139 //StartPolling( KPollInterval ); |
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140 } |
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141 |
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142 DFLOG( "<<CDevEncStarterMemoryEntity::ConstructL" ); |
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143 } |
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144 |
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145 // -------------------------------------------------------------------------- |
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146 // CDevEncStarterMemoryEntity::AddObserverL() |
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147 // |
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148 // -------------------------------------------------------------------------- |
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149 void CDevEncStarterMemoryEntity::AddObserverL( MDevEncUiMemInfoObserver* aInfoObserver ) |
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150 { |
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151 DFLOG( "CDevEncStarterMemoryEntity::AddObserverL" ); |
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152 if ( !aInfoObserver ) |
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153 { |
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154 User::Leave( KErrArgument ); |
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155 } |
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156 iObservers.AppendL( aInfoObserver ); |
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157 |
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158 // The new observer probably wants to know the current states |
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159 UpdateMemoryInfo(); |
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160 } |
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161 |
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162 // -------------------------------------------------------------------------- |
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163 // CDevEncStarterMemoryEntity::RemoveObserver() |
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164 // |
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165 // -------------------------------------------------------------------------- |
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166 void CDevEncStarterMemoryEntity::RemoveObserver( MDevEncUiMemInfoObserver* aInfoObserver ) |
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167 { |
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168 if ( !aInfoObserver ) |
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169 { |
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170 return; |
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171 } |
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172 TInt index( iObservers.Find( aInfoObserver ) ); |
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173 if ( index != KErrNotFound ) |
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174 { |
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175 iObservers.Remove( index ); |
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176 } |
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177 } |
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178 |
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179 // -------------------------------------------------------------------------- |
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180 // CDevEncStarterMemoryEntity::StartPolling() |
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181 // Starts a timer to periodically update the memory state in the UI |
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182 // -------------------------------------------------------------------------- |
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183 void CDevEncStarterMemoryEntity::StartPolling( |
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184 TTimeIntervalMicroSeconds32 aInterval ) |
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185 { |
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186 DFLOG( "CDevEncStarterMemoryEntity::StartPolling" ); |
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187 TInt error( KErrNone ); |
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188 TRAP( error, DoStartPollingL( aInterval ) ); |
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189 DFLOG2( "CDevEncUiMemoryEntity::StartPolling result %d", error ); |
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190 } |
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191 |
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192 // -------------------------------------------------------------------------- |
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193 // CDevEncStarterMemoryEntity::DoStartPollingL() |
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194 // Starts a timer to periodically update the memory state in the UI |
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195 // -------------------------------------------------------------------------- |
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196 void CDevEncStarterMemoryEntity::DoStartPollingL( |
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197 TTimeIntervalMicroSeconds32 aInterval ) |
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198 { |
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199 DFLOG( "CDevEncStarterMemoryEntity::DoStartPollingL" ); |
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200 TCallBack pollCallBack( PollTick, static_cast<TAny*>( this ) ); |
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201 TCallBack progressCallBack( ProgressTick, static_cast<TAny*>( this ) ); |
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202 |
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203 if ( !iPeriodic ) |
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204 { |
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205 iPeriodic = CPeriodic::NewL( EPriorityNormal ); |
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206 } |
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207 iPeriodic->Cancel(); |
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208 |
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209 if ( aInterval == KProgressInterval ) |
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210 { |
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211 iPeriodic->Start( 0, aInterval, progressCallBack ); |
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212 } |
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213 else |
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214 { |
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215 iPeriodic->Start( 0, aInterval, pollCallBack ); |
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216 } |
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217 } |
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218 |
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219 // -------------------------------------------------------------------------- |
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220 // CDevEncStarterMemoryEntity::ProgressTick() |
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221 // |
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222 // -------------------------------------------------------------------------- |
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223 TInt CDevEncStarterMemoryEntity::ProgressTick( TAny* aPtr ) |
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224 { |
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225 CDevEncStarterMemoryEntity* self = static_cast<CDevEncStarterMemoryEntity*>( aPtr ); |
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226 self->DoProgressTick(); |
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227 return 0; |
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228 } |
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229 |
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230 // -------------------------------------------------------------------------- |
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231 // CDevEncStarterMemoryEntity::DoProgressTick() |
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232 // |
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233 // -------------------------------------------------------------------------- |
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234 void CDevEncStarterMemoryEntity::DoProgressTick() |
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235 { |
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236 CheckProgress(); |
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237 } |
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238 |
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239 // -------------------------------------------------------------------------- |
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240 // CDevEncStarterMemoryEntity::PollTick() |
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241 // |
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242 // -------------------------------------------------------------------------- |
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243 TInt CDevEncStarterMemoryEntity::PollTick( TAny* aPtr ) |
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244 { |
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245 CDevEncStarterMemoryEntity* self = static_cast<CDevEncStarterMemoryEntity*>( aPtr ); |
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246 self->DoPollTick(); |
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247 return 0; |
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248 } |
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249 |
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250 // -------------------------------------------------------------------------- |
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251 // CDevEncStarterMemoryEntity::DoPollTick() |
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252 // |
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253 // -------------------------------------------------------------------------- |
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254 void CDevEncStarterMemoryEntity::DoPollTick() |
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255 { |
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256 TInt nfeDiskStatus( EUnmounted ); |
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257 TInt err = iSession->DiskStatus( nfeDiskStatus ); |
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258 if ( err ) |
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259 { |
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260 DFLOG2( "DevEncStarter: Could not get disk status, error %d", err ); |
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261 // Ignore error |
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262 return; |
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263 } |
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264 if ( ( nfeDiskStatus == EEncrypting ) || |
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265 ( nfeDiskStatus == EDecrypting ) ) |
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266 { |
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267 // Some other component has started an encryption operation. |
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268 // Indicate this to the UI and start polling the progress. |
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269 SetState( nfeDiskStatus ); |
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270 StartPolling( KProgressInterval ); |
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271 } |
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272 else |
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273 { |
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274 if ( iState != nfeDiskStatus ) |
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275 { |
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276 // The Mmc status has changed, but we are not in the middle of |
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277 // any operation. Just set the new state. |
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278 SetState( nfeDiskStatus ); |
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279 } |
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280 } |
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281 } |
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282 |
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283 // -------------------------------------------------------------------------- |
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284 // CDevEncStarterMemoryEntity::SetState() |
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285 // |
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286 // -------------------------------------------------------------------------- |
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287 void CDevEncStarterMemoryEntity::SetState( TUint aState ) |
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288 { |
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289 DFLOG3( "CDevEncStarterMemoryEntity::SetState, prev %d, new %d", |
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290 iState, aState ); |
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291 iState = aState; |
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292 UpdateMemoryInfo(); |
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293 } |
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294 |
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295 // -------------------------------------------------------------------------- |
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296 // CDevEncStarterMemoryEntity::CheckProgress() |
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297 // |
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298 // -------------------------------------------------------------------------- |
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299 void CDevEncStarterMemoryEntity::CheckProgress() |
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300 { |
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301 ASSERT( iSession ); |
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302 ASSERT( iSession->Connected() ); |
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303 |
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304 TInt err = iSession->Progress( iPercentDone ); |
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305 |
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306 DFLOG( "CDevEncStarterMemoryEntity::CheckProgress" ); |
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307 |
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308 if ( err ) |
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309 { |
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310 DFLOG( "DevEncStarter: Could not get progress" ); |
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311 iPeriodic->Cancel(); |
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312 } |
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313 else if ( iPercentDone >= KPercent100 ) |
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314 { |
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315 DFLOG( "DevEncStarter: Operation complete" ); |
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316 iPeriodic->Cancel(); |
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317 iPercentDone = 0; |
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318 |
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319 if( iSession->DriveNumber() == EDriveC ) |
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320 { |
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321 // Finalize the phone memory |
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322 DFLOG( "DevEncStarter: DiskFinalize" ); |
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323 err = CDevEncDiskUtils::DiskFinalize( iSession->DriveNumber() ); |
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324 if ( err ) |
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325 { |
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326 DFLOG2( "DevEncStarter: Finalization failed, error %d", err ); |
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327 } |
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328 } |
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329 |
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330 // Restart the polling at a slower pace |
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331 // StartPolling( KPollInterval ); |
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332 } |
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333 else // Not yet finished... |
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334 { |
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335 UpdateMemoryInfo(); |
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336 } |
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337 } |
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338 |
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339 // -------------------------------------------------------------------------- |
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340 // CDevEncStarterMemoryEntity::UpdateMemoryInfo() |
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341 // |
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342 // -------------------------------------------------------------------------- |
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343 void CDevEncStarterMemoryEntity::UpdateMemoryInfo() |
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344 { |
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345 DFLOG( "CDevEncStarterMemoryEntity::UpdateMemoryInfo()" ); |
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346 for ( TInt i = 0; i < iObservers.Count(); i++ ) |
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347 { |
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348 iObservers[i]->UpdateInfo( iType, iState, iPercentDone ); |
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349 } |
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350 } |
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351 |
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352 // -------------------------------------------------------------------------- |
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353 // CDevEncStarterMemoryEntity::State() |
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354 // |
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355 // -------------------------------------------------------------------------- |
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356 TUint CDevEncStarterMemoryEntity::State() const |
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357 { |
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358 return iState; |
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359 } |
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360 |
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361 // -------------------------------------------------------------------------- |
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362 // CDevEncStarterMemoryEntity::DiskStatusChangedL() |
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363 // From MDiskStatusObserver |
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364 // -------------------------------------------------------------------------- |
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365 void CDevEncStarterMemoryEntity::DiskStatusChangedL( TInt aNfeStatus ) |
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366 { |
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367 if ( ( aNfeStatus == EEncrypting ) || |
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368 ( aNfeStatus == EDecrypting ) ) |
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369 { |
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370 // Some other component has started an encryption operation. |
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371 // Indicate this to the UI and start polling the progress. |
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372 DFLOG2( "CDevEncStarterMemoryEntity::DiskStatusChangedL => status = %d", |
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373 aNfeStatus ); |
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374 SetState( aNfeStatus ); |
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375 StartPolling( KProgressInterval ); |
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376 } |
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377 else |
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378 { |
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379 DFLOG2( "CDevEncStarterMemoryEntity::DiskStatusChangedL => status = %d", |
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380 aNfeStatus ); |
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381 |
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382 if( iState != aNfeStatus ) |
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383 { |
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384 DFLOG2( "CDevEncStarterMemoryEntity::DiskStatusChangedL => status changed, iState was %d", iState ); |
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385 SetState( aNfeStatus ); |
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386 } |
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387 } |
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388 } |
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389 |
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390 // End of File |
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391 |
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392 |
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393 |