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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 client |
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15 * 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 "ciextnclientplugin.h" |
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23 #include "citraces.h" |
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24 #include <ecom.h> |
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25 #include <cifactoryintfc.h> |
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26 #include <cifactoryintfc.hrh> |
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27 #include <mmf/common/mmfcontrollerpluginresolver.h> |
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28 |
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29 #define RET_ERR_IF_ERR(s) if(s!=KErrNone) return s |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // Constructs and returns an application object. |
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33 // --------------------------------------------------------------------------- |
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34 // |
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35 MDevSoundCIClientExtension* CCIExtnClientPlugin::NewL() |
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36 { |
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37 DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::NewL")); |
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38 CCIExtnClientPlugin* self = new (ELeave)CCIExtnClientPlugin; |
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39 CleanupStack::PushL( self ); |
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40 self->ConstructL(); |
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41 CleanupStack::Pop( self ); |
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42 MDevSoundCIClientExtension* ptr = static_cast<MDevSoundCIClientExtension*>(self); |
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43 return ptr; |
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44 } |
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45 |
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46 // --------------------------------------------------------------------------- |
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47 // Destructor |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 CCIExtnClientPlugin::~CCIExtnClientPlugin() |
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51 { |
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52 iMCIFactoryIntfcList.Close(); |
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53 DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::~CCIExtnClientPlugin")); |
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54 } |
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55 |
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56 // --------------------------------------------------------------------------- |
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57 // Called by framework when plugin is constructed |
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58 // --------------------------------------------------------------------------- |
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59 // |
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60 TInt CCIExtnClientPlugin::Setup( MCustomCommand& aCustomCommand ) |
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61 { |
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62 DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::Setup")); |
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63 TInt status(KErrNone); |
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64 iMCustomCommand = &aCustomCommand; |
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65 TRAP_IGNORE(InitializeFactoryPluginsL()); |
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66 return status; |
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67 } |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // Called by framework forwarding request to create a custom interface |
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71 // --------------------------------------------------------------------------- |
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72 // |
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73 TInt CCIExtnClientPlugin::CustomInterfaceExtension( TUid aUid, TAny*& aInterface ) |
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74 { |
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75 DEB_TRACE1(_L("*CI* CCIExtnClientPlugin::CustomInterfaceExtension 0x%x"), aUid.iUid); |
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76 |
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77 TInt status(KErrNotFound); |
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78 aInterface = NULL; |
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79 |
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80 // Forward request to each factory plugin in the list, |
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81 for ( TInt index = 0; index < iMCIFactoryIntfcList.Count(); index++ ) |
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82 { |
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83 status = iMCIFactoryIntfcList[index]->CreateInterface( aUid, aInterface ); |
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84 // The factory tried creating custom interface successfully or otherwise. |
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85 // stop forwarding the request to other factory plugins in the list. |
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86 // If the factory does not support a custom interface with aUid, it will |
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87 // return KErrNotFound |
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88 if ( status != KErrNotFound ) |
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89 { |
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90 break; |
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91 } |
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92 } |
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93 return status; |
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94 } |
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95 |
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96 // --------------------------------------------------------------------------- |
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97 // Called by framework when plugin is to be deleted |
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98 // --------------------------------------------------------------------------- |
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99 // |
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100 void CCIExtnClientPlugin::Release() |
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101 { |
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102 DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::Release")); |
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103 |
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104 for ( TInt index = 0; index < iMCIFactoryIntfcList.Count(); index++ ) |
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105 { |
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106 iMCIFactoryIntfcList[index]->Close(); |
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107 } |
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108 |
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109 iMCIFactoryIntfcList.Reset(); |
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110 iMCIFactoryIntfcList.Close(); |
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111 |
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112 REComSession::DestroyedImplementation(iDestructorKey); |
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113 |
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114 delete this; |
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115 } |
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116 |
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117 // --------------------------------------------------------------------------- |
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118 // Called by framework after plugin is created |
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119 // --------------------------------------------------------------------------- |
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120 // |
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121 void CCIExtnClientPlugin::PassDestructorKey( TUid aDestructorKey ) |
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122 { |
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123 iDestructorKey = aDestructorKey; |
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124 } |
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125 |
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126 // --------------------------------------------------------------------------- |
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127 // Constructor |
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128 // --------------------------------------------------------------------------- |
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129 // |
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130 CCIExtnClientPlugin::CCIExtnClientPlugin() |
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131 { |
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132 // No impl |
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133 } |
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134 |
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135 // --------------------------------------------------------------------------- |
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136 // Second phase constructor. |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 void CCIExtnClientPlugin::ConstructL() |
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140 { |
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141 // No impl |
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142 } |
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143 |
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144 // --------------------------------------------------------------------------- |
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145 // Initializes factory plugins list. |
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146 // --------------------------------------------------------------------------- |
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147 // |
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148 void CCIExtnClientPlugin::InitializeFactoryPluginsL() |
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149 { |
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150 // 1. Query the implementation ids of plugins implementing |
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151 // KUidCIFactoryIntfcInterface |
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152 // 2. Instantiate it and add it to the list of factories |
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153 |
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154 DEB_TRACE0(_L("*CI* CCIExtnClientPlugin::InitializeFactoryPluginsL")); |
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155 |
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156 iMCIFactoryIntfcList.Reset(); |
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157 |
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158 RImplInfoPtrArray factoryEComUids; |
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159 CleanupResetAndDestroyPushL(factoryEComUids); |
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160 |
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161 // List all the factory plugins |
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162 TUid factoryPluginInterfaceUid = {KUidCIFactoryIntfcInterface}; |
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163 TEComResolverParams resParams; |
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164 REComSession::ListImplementationsL( factoryPluginInterfaceUid, resParams, |
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165 KRomOnlyResolverUid, factoryEComUids ); |
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166 |
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167 // Instantiate and add it to the list of factories |
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168 TUid destructorKey; |
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169 MCIFactoryIntfc* factoryPlugin(NULL); |
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170 TInt status(KErrNone); |
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171 for ( TInt index = 0; index < factoryEComUids.Count(); index++) |
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172 { |
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173 //<415-4087> TN: created with ImplementationUid - KRomOnlyResolverUid not used |
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174 TRAP( status , |
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175 factoryPlugin = static_cast<MCIFactoryIntfc*> |
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176 (REComSession::CreateImplementationL( |
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177 factoryEComUids[index]->ImplementationUid(), |
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178 destructorKey ) ) ); |
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179 // If there was problem instantiating factory plugin, continue trying |
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180 // next one. |
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181 if ( status != KErrNone) |
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182 { |
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183 DEB_TRACE1(_L("*CI* CCIExtnClientPlugin::InitializeFactoryPluginsL create failed status=%d"), status); |
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184 continue; |
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185 } |
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186 |
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187 // Initialize the factory plugin |
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188 if ( factoryPlugin->Initialize( *iMCustomCommand, destructorKey ) == KErrNone ) |
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189 { |
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190 status = iMCIFactoryIntfcList.Append(factoryPlugin); |
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191 if ( status != KErrNone ) |
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192 {// There was problem adding plugin to list, there was a system |
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193 // wide error. Stop trying and return error code. |
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194 factoryPlugin->Close(); |
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195 User::Leave( status ); |
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196 } |
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197 } |
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198 else |
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199 {// There was problem initializing the factory plugin instance, close |
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200 // it and continue instantiating the rest |
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201 factoryPlugin->Close(); |
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202 } |
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203 } |
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204 CleanupStack::PopAndDestroy(&factoryEComUids); |
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205 } |