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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: BS Server - implemenration of CServer2 |
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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 <eikenv.h> |
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20 #include <eikappui.h> |
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21 #include <apgwgnam.h> |
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22 #include <e32base.h> |
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23 |
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24 #include "bsengineglobals.h" |
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25 #include "bsengine.h" |
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26 #include "bsserversession.h" |
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27 #include "bsdebug.h" |
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28 #include "bsserver.h" |
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29 |
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30 // ============================ MEMBER FUNCTIONS =============================== |
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31 |
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32 // ----------------------------------------------------------------------------- |
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33 // C++ default constructor can NOT contain any code, that might leave. |
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34 // ----------------------------------------------------------------------------- |
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35 // |
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36 CBSServer::CBSServer( TInt aPriority ) : |
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37 CServer2(aPriority) |
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38 { |
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39 } |
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40 |
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41 // ----------------------------------------------------------------------------- |
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42 // Symbian 2nd phase constructor can leave. |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 void CBSServer::ConstructL() |
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46 { |
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47 DEBUG(("Start BS Server" )); |
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48 iEngine = CBSEngine::NewL( ); |
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49 StartL( KBSEngineName ); |
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50 } |
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51 |
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52 // ----------------------------------------------------------------------------- |
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53 // Two-phased constructor. |
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54 // -------------------------------------- --------------------------------------- |
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55 // |
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56 CBSServer* CBSServer::NewLC() |
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57 { |
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58 CBSServer* self = new( ELeave ) CBSServer( EPriorityNormal ); |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL( ); |
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61 return self; |
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62 } |
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63 |
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64 // ----------------------------------------------------------------------------- |
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65 // Destructor. |
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66 // -------------------------------------- --------------------------------------- |
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67 // |
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68 CBSServer::~CBSServer() |
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69 { |
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70 DEBUG(("Destroy BS Server" )); |
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71 delete iEngine; |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // Create new session. |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 CSession2* CBSServer::NewSessionL( const TVersion& aVersion, |
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79 const RMessage2& /*aMessage*/ ) const |
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80 { |
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81 // Check we're the right version |
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82 if ( !User::QueryVersionSupported( TVersion( KBSEngineMajorVersionNumber, |
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83 KBSEngineMinorVersionNumber, KBSEngineBuildVersionNumber ), aVersion ) ) |
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84 { |
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85 User::Leave( KErrNotSupported ); |
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86 } |
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87 |
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88 return CBSServerSession::NewL( ( CBSServer* ) this ); |
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89 } |
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90 |
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91 // ----------------------------------------------------------------------------- |
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92 // Increment sessions. |
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93 // ----------------------------------------------------------------------------- |
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94 // |
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95 void CBSServer::IncrementSessions() |
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96 { |
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97 iSessionCount++; |
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98 } |
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99 |
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100 // ----------------------------------------------------------------------------- |
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101 // Decrement sessions. |
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102 // ----------------------------------------------------------------------------- |
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103 // |
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104 void CBSServer::DecrementSessions() |
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105 { |
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106 iSessionCount--; |
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107 } |
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108 // ----------------------------------------------------------------------------- |
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109 // RunError is called when RunL leaves. |
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110 // ----------------------------------------------------------------------------- |
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111 // |
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112 TInt CBSServer::RunError( TInt aError ) |
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113 { |
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114 DEBUG(("CBSServer::RunError %d", aError )); |
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115 if ( aError == KErrBadDescriptor ) |
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116 { |
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117 PanicClient( Message( ), EBSEngineBadDescriptor ); |
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118 } |
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119 else |
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120 { |
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121 Message().Complete( aError ); |
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122 } |
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123 |
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124 // The leave will result in an early return from CServer::RunL(), skipping |
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125 // the call to request another message. So do that now in order to keep the |
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126 // server running. |
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127 ReStart( ); |
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128 // Handled the error fully |
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129 return KErrNone; |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // Panic client. |
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134 // ----------------------------------------------------------------------------- |
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135 // |
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136 void CBSServer::PanicClient( const RMessage2& aMessage, TBSEnginePanic aPanic ) |
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137 { |
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138 aMessage.Panic( KBSEngineName, aPanic ); |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // Panic server. |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 void CBSServer::PanicServer( TBSEnginePanic aPanic ) |
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146 { |
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147 User::Panic( KBSEngineName, aPanic ); |
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148 } |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // Create and start the server. |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 void CBSServer::ThreadFunctionL() |
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155 { |
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156 CBSAppUi* ui = new (ELeave) CBSAppUi; |
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157 ui->ConstructL( ); |
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158 |
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159 // Construct our server |
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160 CBSServer* server = CBSServer::NewLC( ); |
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161 |
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162 // set engine to AppUI to get notification about focus changes |
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163 ui->iEngine = &(server->Engine( )); |
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164 |
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165 RProcess::Rendezvous( KErrNone ); |
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166 |
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167 // Start handling requests |
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168 CActiveScheduler::Start( ); |
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169 |
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170 CleanupStack::PopAndDestroy( server ); |
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171 |
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172 ui->PrepareToExit( ); |
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173 |
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174 } |
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175 |
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176 // ----------------------------------------------------------------------------- |
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177 // Create and start the server. |
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178 // ----------------------------------------------------------------------------- |
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179 // |
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180 TInt CBSServer::ThreadFunction() |
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181 { |
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182 __UHEAP_MARK; |
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183 |
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184 User::RenameThread( KBSEngineThreadName ); |
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185 |
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186 CBSEikonEnv* env = new CBSEikonEnv; |
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187 __ASSERT_ALWAYS( env, PanicServer( EBSEngineEIkonEnv ) ); |
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188 |
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189 TRAPD(error, env->ConstructL();); |
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190 __ASSERT_ALWAYS( !error, PanicServer( EBSEngineEIkonEnv ) ); |
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191 |
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192 TRAPD( err, ThreadFunctionL() ); |
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193 if ( err != KErrNone ) |
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194 { |
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195 PanicServer( EBSEngineSrvCreateServer ); |
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196 } |
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197 |
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198 env->DestroyEnvironment( ); |
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199 |
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200 __UHEAP_MARKEND; |
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201 return KErrNone; |
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202 } |
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203 |
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204 // ----------------------------------------------------------------------------- |
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205 // Getter of engine |
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206 // ----------------------------------------------------------------------------- |
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207 // |
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208 CBSEngine& CBSServer::Engine() |
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209 { |
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210 return *iEngine; |
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211 } |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // |
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215 // ----------------------------------------------------------------------------- |
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216 // |
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217 void CBSServer::CBSEikonEnv::DestroyEnvironment() |
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218 { |
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219 CEikonEnv::DestroyEnvironment( ); |
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220 } |
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221 |
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222 // ----------------------------------------------------------------------------- |
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223 // |
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224 // ----------------------------------------------------------------------------- |
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225 // |
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226 void CBSServer::CBSEikonEnv::ConstructL() |
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227 { |
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228 CEikonEnv::ConstructL( EFalse ); |
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229 SetAutoForwarding(ETrue); |
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230 User::SetPriorityControl(EFalse); |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 CBSServer::CBSAppUi::~CBSAppUi() |
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238 { |
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239 } |
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240 |
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241 // ----------------------------------------------------------------------------- |
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242 // |
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243 // ----------------------------------------------------------------------------- |
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244 // |
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245 void CBSServer::CBSAppUi::HandleWsEventL( const TWsEvent& aEvent, |
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246 CCoeControl* aDestination) |
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247 { |
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248 if ( aEvent.Type( ) == EEventFocusGroupChanged |
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249 || aEvent.Type( ) == EEventWindowGroupsChanged ) |
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250 { |
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251 TInt windowsGroupID = iCoeEnv->WsSession().GetFocusWindowGroup( ); |
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252 CApaWindowGroupName* apaWGName = CApaWindowGroupName::NewLC( |
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253 iCoeEnv->WsSession( ), windowsGroupID ); |
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254 TUid uid = apaWGName->AppUid( ); |
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255 CleanupStack::PopAndDestroy( apaWGName ); |
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256 // if UID is 0, ignore event. |
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257 // Next event should bring correct information |
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258 if ( uid.iUid ) |
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259 { |
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260 iEngine->HandleFocusChangeL( uid ); |
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261 } |
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262 } |
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263 CEikAppUi::HandleWsEventL( aEvent, aDestination ); |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // |
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268 // ----------------------------------------------------------------------------- |
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269 // |
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270 void CBSServer::CBSAppUi::ConstructL() |
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271 { |
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272 CEikAppUi::BaseConstructL( ENoAppResourceFile | ENoScreenFurniture ); |
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273 //get notifications about focus change events |
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274 iCoeEnv->RootWin().EnableFocusChangeEvents( ); |
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275 //get notifications about windows group change events |
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276 iCoeEnv->RootWin().EnableGroupChangeEvents( ); |
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277 //disable notifications about layout change |
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278 iCoeEnv->RootWin().DisableScreenChangeEvents(); |
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279 } |
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280 |
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281 // ============================= LOCAL FUNCTIONS =============================== |
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282 |
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283 // ----------------------------------------------------------------------------- |
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284 // E32Main item point. |
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285 // ----------------------------------------------------------------------------- |
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286 // |
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287 TInt E32Main() |
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288 { |
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289 return CBSServer::ThreadFunction( ); |
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290 } |
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291 |
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292 // End of File |
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293 |