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: LockApp server session requested by lockclient |
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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 "lockapptrace.h" |
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20 #include "lockappsession.h" |
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21 #include "lockappappui.h" |
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22 #include "lockappstatecontrolinterface.h" |
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23 #include "lockapputils.h" |
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24 #include <lockappclientserver.h> |
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25 |
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26 // --------------------------------------------------------------------------- |
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27 // Default Constructor. |
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28 // --------------------------------------------------------------------------- |
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29 CLockAppSession::CLockAppSession( ) |
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30 { |
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31 |
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32 // no implementation required |
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33 } |
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34 |
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35 // --------------------------------------------------------------------------- |
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36 // Default Destructor. |
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37 // --------------------------------------------------------------------------- |
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38 CLockAppSession::~CLockAppSession( ) |
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39 { |
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40 // no implementation required |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // From @c CApaAppServiceBase. Handles possible error in the lock app session |
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45 // Method is empty. |
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46 // --------------------------------------------------------------------------- |
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47 void CLockAppSession::ServiceError( const RMessage2& aMessage, TInt aError ) |
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48 { |
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49 |
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50 if ( aError == KErrNotReady ) |
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51 { |
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52 // initialization not yet ready |
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53 aMessage.Complete( KErrNotReady ); |
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54 ERROR( aError, "LockApp initialization not yet ready, KErrNotReady" ); |
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55 } |
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56 else |
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57 { |
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58 ERROR_1( aError, "Service request has caused a leave, message: %d", aMessage.Function()); |
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59 CApaAppServiceBase::ServiceError( aMessage, aError ); |
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60 #ifdef _DEBUG |
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61 if ( aMessage.Function( )== ELockAppTestDestruct ) |
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62 { |
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63 User::Leave( KErrGeneral ); |
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64 } |
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65 #endif |
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66 } |
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67 } |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // From @c CApaAppServiceBase. Handles a client request. Leaving is handled by |
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71 // CLockAppSession::ServiceError() which reports the error code to the client |
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72 // --------------------------------------------------------------------------- |
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73 void CLockAppSession::ServiceL(const RMessage2& aMessage ) |
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74 { |
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75 RThread clientThread; |
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76 TInt err=aMessage.Client(clientThread); |
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77 // RDebug::Print( _L("called by %S"), &(clientThread.FullName()) ); |
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78 // RDebug::Print( clientThread.FullName() ); |
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79 |
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80 TInt response = KErrNone; |
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81 // log the message |
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82 // whole provided server API is implemented here |
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83 |
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84 switch ( aMessage.Function( ) ) |
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85 { |
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86 case ELockAppEnableKeyguard: |
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87 // enable with or without note (depends on first parameter) |
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88 response = DoEnableKeyguardL( aMessage.Int0() ); |
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89 break; |
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90 case ELockAppDisableKeyguard: |
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91 // disable with or without note (depends on first parameter) |
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92 response = DoDisableKeyguardL( aMessage.Int0() ); |
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93 break; |
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94 case ELockAppEnableDevicelock: |
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95 // check that client has needed capabilities to enable devicelock |
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96 if ( aMessage.HasCapability( ECapabilityWriteDeviceData ) ) |
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97 { |
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98 // first parameter contains the reason |
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99 response = DoEnableDevicelockL( (TDevicelockReason) aMessage.Int0() ); |
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100 } |
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101 else |
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102 { |
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103 response = KErrPermissionDenied; |
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104 } |
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105 break; |
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106 case ELockAppDisableDevicelock: |
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107 // check that client has needed capabilities to disable devicelock |
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108 if ( aMessage.HasCapability( ECapabilityWriteDeviceData ) ) |
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109 { |
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110 response = DoDisableDevicelockL( ); |
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111 } |
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112 else |
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113 { |
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114 response = KErrPermissionDenied; |
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115 } |
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116 break; |
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117 case ELockAppOfferKeyguard: |
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118 // offer to lock keyguard |
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119 response = DoOfferKeyguardL( ); |
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120 break; |
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121 case ELockAppOfferDevicelock: |
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122 // TODO implement this someday if needed |
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123 response = KErrNotSupported; |
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124 break; |
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125 case ELockAppShowKeysLockedNote: |
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126 response = DoShowKeysLockedNoteL( ); |
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127 break; |
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128 #ifdef _DEBUG |
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129 case ELockAppTestDestruct: |
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130 // test for leave |
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131 User::Leave( KErrGeneral ); |
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132 break; |
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133 case ELockAppTestInternal: |
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134 // test internal functions (which cannot be tested trough client API) |
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135 response = StateControlL()->ExecuteInternalTest( ); |
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136 break; |
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137 #endif |
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138 default: |
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139 // illegal message call, panic the client process |
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140 PanicClient( aMessage, ELockPanicIllegalMessage ); |
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141 return; |
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142 } |
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143 |
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144 INFO_2( "CLockAppSession received service message: %d. Result: %d", aMessage.Function(), response ); |
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145 aMessage.Complete( response ); |
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146 } |
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147 |
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148 // --------------------------------------------------------------------------- |
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149 // Request lockapp to enable keyguard on device (might not be approved, e.g. |
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150 // devicelock activated). |
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151 // --------------------------------------------------------------------------- |
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152 TInt CLockAppSession::DoEnableKeyguardL( TBool aShowNote ) |
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153 { |
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154 // calls the main control |
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155 |
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156 return StateControlL()->EnableKeyguardL( aShowNote ); |
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157 } |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 // Request lockapp to disable keyguard on device (might not be approved, e.g. |
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161 // already disabled). |
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162 // --------------------------------------------------------------------------- |
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163 TInt CLockAppSession::DoDisableKeyguardL( TBool aShowNote ) |
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164 { |
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165 // calls the main control |
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166 |
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167 return StateControlL()->DisableKeyguardL( aShowNote ); |
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168 } |
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169 |
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170 // --------------------------------------------------------------------------- |
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171 // Request lockapp to enable devicelock on device (might not be approved). |
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172 // --------------------------------------------------------------------------- |
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173 TInt CLockAppSession::DoEnableDevicelockL( TDevicelockReason aReason ) |
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174 { |
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175 // calls the main control |
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176 |
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177 return StateControlL()->EnableDevicelockL( aReason ); |
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178 } |
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179 |
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180 // --------------------------------------------------------------------------- |
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181 // Request lockapp to disable devicelock on device (might not be approved). |
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182 // --------------------------------------------------------------------------- |
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183 TInt CLockAppSession::DoDisableDevicelockL( ) |
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184 { |
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185 // TODO Investigate if this should be allowed in API or not |
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186 // calls the main control |
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187 // StateControlL()->DisableDevicelockL( ); |
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188 return KErrPermissionDenied; |
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189 } |
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190 |
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191 // --------------------------------------------------------------------------- |
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192 // Request to offer keyguard on device (might not be approved, e.g. |
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193 // already locked). |
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194 // --------------------------------------------------------------------------- |
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195 TInt CLockAppSession::DoOfferKeyguardL( ) |
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196 { |
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197 // calls the main control |
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198 return StateControlL()->OfferKeyguard( ); |
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199 } |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 // Request to show keys locked note, only works if keyguard is enabled |
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203 // --------------------------------------------------------------------------- |
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204 TInt CLockAppSession::DoShowKeysLockedNoteL( ) |
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205 { |
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206 // calls the main control |
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207 |
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208 return StateControlL()->ShowKeysLockedNote( ); |
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209 } |
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210 |
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211 // --------------------------------------------------------------------------- |
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212 // Return the main state control to the server session. |
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213 // Application appui and the main state control might not be constructed yet. |
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214 // --------------------------------------------------------------------------- |
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215 MLockAppStateControl* CLockAppSession::StateControlL( ) |
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216 { |
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217 |
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218 // other parts of lockapp construction may not be finished |
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219 if ( !iStateControl ) |
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220 { |
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221 CLockAppAppUi* appUi = (CLockAppAppUi*) CEikonEnv::Static()->EikAppUi(); |
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222 if ( appUi ) |
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223 { |
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224 iStateControl = appUi->StateControl( ); |
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225 if ( !iStateControl ) |
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226 { |
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227 User::Leave( KErrNotReady ); |
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228 } |
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229 } |
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230 else |
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231 { |
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232 User::Leave( KErrNotReady ); |
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233 } |
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234 } |
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235 return iStateControl; |
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236 } |
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