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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 const TInt idsArrayGranularity = 30; |
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31 |
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32 // ============================ MEMBER FUNCTIONS =============================== |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // C++ default constructor can NOT contain any code, that might leave. |
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36 // ----------------------------------------------------------------------------- |
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37 // |
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38 CBSServer::CBSServer( TInt aPriority ) : |
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39 CServer2(aPriority) |
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40 { |
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41 } |
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42 |
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43 // ----------------------------------------------------------------------------- |
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44 // Symbian 2nd phase constructor can leave. |
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45 // ----------------------------------------------------------------------------- |
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46 // |
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47 void CBSServer::ConstructL() |
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48 { |
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49 DEBUG(("Start BS Server" )); |
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50 iEngine = CBSEngine::NewL( ); |
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51 StartL( KBSEngineName ); |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // Two-phased constructor. |
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56 // -------------------------------------- --------------------------------------- |
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57 // |
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58 CBSServer* CBSServer::NewLC() |
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59 { |
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60 CBSServer* self = new( ELeave ) CBSServer( EPriorityNormal ); |
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61 CleanupStack::PushL( self ); |
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62 self->ConstructL( ); |
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63 return self; |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // Destructor. |
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68 // -------------------------------------- --------------------------------------- |
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69 // |
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70 CBSServer::~CBSServer() |
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71 { |
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72 DEBUG(("Destroy BS Server" )); |
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73 delete iEngine; |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // Create new session. |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 CSession2* CBSServer::NewSessionL( const TVersion& aVersion, |
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81 const RMessage2& /*aMessage*/ ) const |
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82 { |
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83 // Check we're the right version |
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84 if ( !User::QueryVersionSupported( TVersion( KBSEngineMajorVersionNumber, |
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85 KBSEngineMinorVersionNumber, KBSEngineBuildVersionNumber ), aVersion ) ) |
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86 { |
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87 User::Leave( KErrNotSupported ); |
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88 } |
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89 |
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90 return CBSServerSession::NewL( ( CBSServer* ) this ); |
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91 } |
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92 |
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93 // ----------------------------------------------------------------------------- |
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94 // Increment sessions. |
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95 // ----------------------------------------------------------------------------- |
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96 // |
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97 void CBSServer::IncrementSessions() |
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98 { |
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99 iSessionCount++; |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // Decrement sessions. |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 void CBSServer::DecrementSessions() |
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107 { |
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108 iSessionCount--; |
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109 } |
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110 // ----------------------------------------------------------------------------- |
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111 // RunError is called when RunL leaves. |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 TInt CBSServer::RunError( TInt aError ) |
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115 { |
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116 DEBUG(("CBSServer::RunError %d", aError )); |
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117 if ( aError == KErrBadDescriptor ) |
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118 { |
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119 PanicClient( Message( ), EBSEngineBadDescriptor ); |
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120 } |
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121 else |
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122 { |
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123 Message().Complete( aError ); |
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124 } |
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125 |
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126 // The leave will result in an early return from CServer::RunL(), skipping |
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127 // the call to request another message. So do that now in order to keep the |
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128 // server running. |
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129 ReStart( ); |
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130 // Handled the error fully |
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131 return KErrNone; |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // Panic client. |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 void CBSServer::PanicClient( const RMessage2& aMessage, TBSEnginePanic aPanic ) |
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139 { |
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140 aMessage.Panic( KBSEngineName, aPanic ); |
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141 } |
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142 |
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143 // ----------------------------------------------------------------------------- |
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144 // Panic server. |
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145 // ----------------------------------------------------------------------------- |
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146 // |
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147 void CBSServer::PanicServer( TBSEnginePanic aPanic ) |
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148 { |
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149 User::Panic( KBSEngineName, aPanic ); |
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150 } |
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151 |
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152 // ----------------------------------------------------------------------------- |
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153 // Create and start the server. |
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154 // ----------------------------------------------------------------------------- |
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155 // |
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156 void CBSServer::ThreadFunctionL() |
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157 { |
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158 CBSAppUi* ui = new (ELeave) CBSAppUi; |
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159 ui->ConstructL( ); |
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160 |
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161 // Construct our server |
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162 CBSServer* server = CBSServer::NewLC( ); |
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163 |
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164 // set engine to AppUI to get notification about focus changes |
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165 ui->iEngine = &(server->Engine( )); |
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166 |
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167 RProcess::Rendezvous( KErrNone ); |
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168 |
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169 // Start handling requests |
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170 CActiveScheduler::Start( ); |
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171 |
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172 CleanupStack::PopAndDestroy( server ); |
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173 |
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174 ui->PrepareToExit( ); |
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175 |
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176 } |
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177 // ----------------------------------------------------------------------------- |
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178 // Create and start the server. |
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179 // ----------------------------------------------------------------------------- |
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180 // |
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181 TInt CBSServer::ThreadFunction() |
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182 { |
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183 __UHEAP_MARK; |
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184 |
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185 User::RenameThread( KBSEngineThreadName ); |
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186 |
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187 CBSEikonEnv* env = new CBSEikonEnv; |
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188 __ASSERT_ALWAYS( env, PanicServer( EBSEngineEIkonEnv ) ); |
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189 |
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190 TRAPD(error, env->ConstructL();); |
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191 __ASSERT_ALWAYS( !error, PanicServer( EBSEngineEIkonEnv ) ); |
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192 |
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193 TRAPD( err, ThreadFunctionL() ); |
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194 if ( err != KErrNone ) |
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195 { |
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196 PanicServer( EBSEngineSrvCreateServer ); |
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197 } |
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198 |
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199 env->DestroyEnvironment( ); |
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200 |
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201 __UHEAP_MARKEND; |
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202 return KErrNone; |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // Getter of engine |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 CBSEngine& CBSServer::Engine() |
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210 { |
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211 return *iEngine; |
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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 // |
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218 void CBSServer::CBSEikonEnv::DestroyEnvironment() |
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219 { |
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220 CEikonEnv::DestroyEnvironment( ); |
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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 // |
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227 void CBSServer::CBSEikonEnv::ConstructL() |
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228 { |
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229 CEikonEnv::ConstructL( EFalse ); |
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230 SetAutoForwarding(ETrue); |
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231 User::SetPriorityControl(EFalse); |
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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 |
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252 TInt windowsGroupID = iCoeEnv->WsSession().GetFocusWindowGroup( ); |
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253 CApaWindowGroupName* apaWGName = CApaWindowGroupName::NewLC( |
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254 iCoeEnv->WsSession( ), windowsGroupID ); |
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255 TUid uid = apaWGName->AppUid( ); |
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256 CleanupStack::PopAndDestroy( apaWGName ); |
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257 // if UID is 0, ignore event. |
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258 // Next event should bring correct information |
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259 if ( uid.iUid ) |
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260 { |
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261 iEngine->HandleFocusChangeL( uid ); |
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262 } |
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263 } |
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264 else if( aEvent.Type( ) == EEventKeyDown ) |
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265 { |
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266 iEngine->ApplicationKeyWasPressed( ); |
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267 ForwardEventL( aEvent ); |
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268 } |
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269 else if( aEvent.Type( ) == EEventKeyUp ) |
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270 { |
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271 ForwardEventL( aEvent ); |
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272 } |
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273 } |
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274 |
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275 // ----------------------------------------------------------------------------- |
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276 // |
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277 // ----------------------------------------------------------------------------- |
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278 // |
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279 void CBSServer::CBSAppUi::ForwardEventL( const TWsEvent& aEvent ) |
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280 { |
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281 CArrayFixFlat<TInt>* idArray = |
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282 new (ELeave) CArrayFixFlat<TInt>( idsArrayGranularity ); |
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283 iCoeEnv->WsSession().WindowGroupList( idArray ); |
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284 |
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285 TInt ownId = iCoeEnv->RootWin().Identifier(); |
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286 for( TInt x(0); x < idArray->Count(); x++ ) |
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287 { |
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288 if( (*idArray)[x] != ownId ) |
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289 { |
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290 iCoeEnv->WsSession().SendEventToWindowGroup( |
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291 (*idArray)[x], aEvent ); |
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292 } |
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293 } |
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294 delete idArray; |
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295 } |
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296 |
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297 // ----------------------------------------------------------------------------- |
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298 // |
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299 // ----------------------------------------------------------------------------- |
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300 // |
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301 void CBSServer::CBSAppUi::ConstructL() |
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302 { |
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303 CEikAppUi::BaseConstructL( ENoAppResourceFile | ENoScreenFurniture ); |
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304 //get notifications about focus change events |
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305 iCoeEnv->RootWin().EnableFocusChangeEvents( ); |
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306 //get notifications about windows group change events |
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307 iCoeEnv->RootWin().EnableGroupChangeEvents( ); |
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308 //disable notifications about layout change |
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309 iCoeEnv->RootWin().DisableScreenChangeEvents(); |
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310 //get notifications about application key event |
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311 iCoeEnv->RootWin().CaptureKeyUpAndDowns( EStdKeyApplication0, 0, 0 ); |
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312 } |
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313 |
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314 // ============================= LOCAL FUNCTIONS =============================== |
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315 |
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316 // ----------------------------------------------------------------------------- |
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317 // E32Main item point. |
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318 // ----------------------------------------------------------------------------- |
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319 // |
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320 TInt E32Main() |
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321 { |
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322 return CBSServer::ThreadFunction( ); |
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323 } |
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324 |
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325 // End of File |
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326 |