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1 /* |
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2 * Copyright (c) 2002-2008 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: Class definition of plugin implementing devsound server |
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15 * side custom interface extension. |
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16 * |
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17 */ |
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18 |
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19 |
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20 |
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21 // Include files |
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22 #include "ciextnserverplugin.h" |
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23 #include "citraces.h" |
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24 #include <ecom.h> |
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25 #include <mmf/common/mmfcontrollerpluginresolver.h> |
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26 #include <cimsghndlrintfc.h> |
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27 #include <cimsghndlrintfc.hrh> |
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28 #include <e32const.h> |
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29 |
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30 // --------------------------------------------------------------------------- |
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31 // Constructs and returns an application object. |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 MDevSoundCIServerExtension* CCIExtnServerPlugin::NewL() |
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35 { |
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36 DEB_TRACE0(_L("*CI* CCIExtnServerPlugin::NewL")); |
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37 CCIExtnServerPlugin* self = new (ELeave)CCIExtnServerPlugin; |
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38 CleanupStack::PushL( self ); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop( self ); |
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41 MDevSoundCIServerExtension* ptr = static_cast<MDevSoundCIServerExtension*>(self); |
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42 return ptr; |
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43 } |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 // Destructor |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 CCIExtnServerPlugin::~CCIExtnServerPlugin() |
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50 { |
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51 DEB_TRACE0(_L("*CI* CCIExtnServerPlugin::~CCIExtnServerPlugin")); |
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52 } |
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53 |
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54 // --------------------------------------------------------------------------- |
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55 // Called by framework when plugin is constructed |
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56 // --------------------------------------------------------------------------- |
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57 // |
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58 TInt CCIExtnServerPlugin::Setup( MCustomInterface& aInterface ) |
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59 { |
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60 DEB_TRACE0(_L("*CI* CCIExtnServerPlugin::Setup")); |
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61 TInt status(KErrNone); |
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62 TRAPD(err, iCiExtnServerPluginWrapper = CIExtnServerPluginWrapper::NewL(aInterface)); |
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63 if (err == KErrNone) |
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64 { |
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65 iMCustomInterface = iCiExtnServerPluginWrapper->GetInterface(); |
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66 } |
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67 TRAP_IGNORE(InitializeMsgHndlrPluginsL()); |
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68 return status; |
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69 } |
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70 |
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71 // --------------------------------------------------------------------------- |
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72 // Called by framework forwarding passing aMessage to handle |
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73 // --------------------------------------------------------------------------- |
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74 // |
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75 TInt CCIExtnServerPlugin::HandleMessageL(const RMmfIpcMessage& aMessage) |
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76 { |
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77 DEB_TRACE0(_L("*CI* CCIExtnServerPlugin::HandleMessageL")); |
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78 |
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79 TInt status(KErrNotSupported); |
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80 |
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81 // Forward request to each message handler plugin in the list, |
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82 TBool msgHandled(EFalse); |
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83 for ( TInt index = 0; index < iMCIMsgHndlrIntfcList.Count(); index++ ) |
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84 { |
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85 msgHandled = iMCIMsgHndlrIntfcList[index]->HandleMessage( aMessage ); |
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86 // If the plugin handled aMessage, stop forwarding the request to |
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87 // other plugins in the list and break out of loop. |
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88 if ( msgHandled == TBool(ETrue) ) |
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89 { |
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90 status = KErrNone; |
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91 break; |
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92 } |
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93 } |
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94 |
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95 return status; |
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96 } |
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97 |
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98 // --------------------------------------------------------------------------- |
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99 // Called by framework when plugin is to be deleted |
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100 // --------------------------------------------------------------------------- |
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101 // |
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102 void CCIExtnServerPlugin::Release() |
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103 { |
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104 DEB_TRACE0(_L("*CI* CCIExtnServerPlugin::Release")); |
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105 |
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106 for ( TInt index = 0; index < iMCIMsgHndlrIntfcList.Count(); index++ ) |
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107 { |
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108 iMCIMsgHndlrIntfcList[index]->Close(); |
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109 } |
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110 |
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111 iMCIMsgHndlrIntfcList.Reset(); |
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112 iMCIMsgHndlrIntfcList.Close(); |
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113 |
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114 iCiExtnServerPluginWrapper->Release(); |
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115 |
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116 REComSession::DestroyedImplementation(iDestructorKey); |
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117 |
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118 delete this; |
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119 } |
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120 |
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121 // --------------------------------------------------------------------------- |
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122 // Called by framework after plugin is created |
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123 // --------------------------------------------------------------------------- |
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124 // |
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125 void CCIExtnServerPlugin::PassDestructorKey( TUid aDestructorKey ) |
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126 { |
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127 iDestructorKey = aDestructorKey; |
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128 } |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // Constructor |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 CCIExtnServerPlugin::CCIExtnServerPlugin() |
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135 { |
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136 // No impl |
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137 } |
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138 |
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139 // --------------------------------------------------------------------------- |
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140 // Second phase constructor. |
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141 // --------------------------------------------------------------------------- |
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142 // |
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143 void CCIExtnServerPlugin::ConstructL() |
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144 { |
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145 // No impl |
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146 } |
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147 |
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148 // --------------------------------------------------------------------------- |
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149 // Initializes factory plugins list. |
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150 // --------------------------------------------------------------------------- |
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151 // |
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152 void CCIExtnServerPlugin::InitializeMsgHndlrPluginsL() |
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153 { |
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154 // 1. Query the implementation ids of plugins implementing |
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155 // KUidCIMsgHndlrIntfcInterface |
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156 // 2. Instantiate it and add it to the list of plugins |
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157 DEB_TRACE0(_L("*CI* CCIExtnServerPlugin::InitializeMsgHndlrPluginsL")); |
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158 |
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159 iMCIMsgHndlrIntfcList.Reset(); |
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160 |
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161 RImplInfoPtrArray msgHndlrEComUids; |
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162 CleanupResetAndDestroyPushL(msgHndlrEComUids); |
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163 |
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164 |
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165 // List all the factory plugins |
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166 TUid msgHndlrPluginInterfaceUid = {KUidCIMsgHndlrIntfcInterface}; |
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167 TEComResolverParams resParams; |
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168 REComSession::ListImplementationsL( msgHndlrPluginInterfaceUid, resParams, |
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169 KRomOnlyResolverUid, msgHndlrEComUids ); |
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170 |
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171 // Instantiate and add it to the list of factories |
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172 TUid destructorKey; |
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173 MCIMsgHndlrIntfc* msgHndlrPlugin(NULL); |
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174 TInt status(KErrNone); |
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175 |
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176 for ( TInt index = 0; index < msgHndlrEComUids.Count(); index++) |
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177 { |
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178 TRAP( status , |
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179 msgHndlrPlugin = static_cast<MCIMsgHndlrIntfc*> |
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180 (REComSession::CreateImplementationL( |
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181 msgHndlrEComUids[index]->ImplementationUid(), |
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182 destructorKey ) ) ); |
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183 // If there was problem instantiating factory plugin, continue trying |
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184 // next one. |
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185 if ( status != KErrNone) |
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186 { |
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187 DEB_TRACE1(_L("*CI* CCIExtnServerPlugin::InitializeMsgHndlrPluginsL creation status=%d"),status); |
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188 continue; |
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189 } |
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190 |
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191 // Initialize the factory plugin |
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192 if ( msgHndlrPlugin->Initialize( *iMCustomInterface, destructorKey ) == KErrNone ) |
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193 { |
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194 status = iMCIMsgHndlrIntfcList.Append(msgHndlrPlugin); |
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195 if ( status != KErrNone ) |
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196 {// There was problem adding plugin to list, there was a system |
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197 // wide error. Stop trying and return error code. |
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198 msgHndlrPlugin->Close(); |
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199 User::Leave( status ); |
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200 } |
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201 } |
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202 else |
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203 {// There was problem initializing the factory plugin instance, close |
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204 // it and continue instantiating the rest |
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205 msgHndlrPlugin->Close(); |
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206 } |
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207 } |
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208 CleanupStack::PopAndDestroy(&msgHndlrEComUids); |
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209 } |