1 /* |
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2 * Copyright (c) 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: ?Description |
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15 * |
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16 */ |
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17 |
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18 #include "cahandlerengine.h" |
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19 #include "cahandler.h" |
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20 #include "cahandlerplugin.h" |
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21 #include "cahandlerplugin.hrh" |
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22 #include "cadef.h" |
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23 #include "cainnerentry.h" |
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24 |
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25 // ======== LOCAL FUNCTIONS ======== |
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26 |
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27 // --------------------------------------------------------------------------- |
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28 // Cleanupstack support method, calls RImplInfoPtrArray::ResetAndDestroy() |
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29 // of the passed argument (array). |
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30 // --------------------------------------------------------------------------- |
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31 // |
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32 LOCAL_C void ResetAndDestroyArray( TAny* aArray ) |
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33 { |
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34 ( (RImplInfoPtrArray* ) aArray )->ResetAndDestroy(); |
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35 } |
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36 |
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37 // ======== MEMBER FUNCTIONS ======== |
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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 // |
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43 EXPORT_C CCaHandlerEngine::~CCaHandlerEngine() |
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44 { |
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45 iHandlers.ResetAndDestroy(); |
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46 } |
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47 |
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48 // --------------------------------------------------------- |
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49 // |
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50 // --------------------------------------------------------- |
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51 // |
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52 EXPORT_C CCaHandlerEngine* CCaHandlerEngine::NewL() |
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53 { |
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54 CCaHandlerEngine* self = NewLC(); |
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55 CleanupStack::Pop( self ); |
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56 return self; |
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57 } |
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58 |
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59 // --------------------------------------------------------- |
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60 // |
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61 // --------------------------------------------------------- |
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62 // |
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63 EXPORT_C CCaHandlerEngine* CCaHandlerEngine::NewLC() |
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64 { |
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65 CCaHandlerEngine* self = new ( ELeave ) CCaHandlerEngine(); |
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66 CleanupStack::PushL( self ); |
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67 self->ConstructL(); |
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68 return self; |
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69 } |
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70 |
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71 // --------------------------------------------------------- |
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72 // |
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73 // --------------------------------------------------------- |
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74 // |
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75 void CCaHandlerEngine::ConstructL() |
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76 { |
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77 } |
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78 |
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79 // --------------------------------------------------------- |
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80 // |
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81 // --------------------------------------------------------- |
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82 // |
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83 CCaHandlerEngine::CCaHandlerEngine() |
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84 { |
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85 } |
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86 |
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87 // --------------------------------------------------------- |
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88 // |
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89 // --------------------------------------------------------- |
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90 // |
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91 EXPORT_C void CCaHandlerEngine::HandleCommandL( CCaInnerEntry& aEntry, |
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92 const TDesC8& aCommand ) |
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93 { |
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94 // Currently, we load handlers on demand and never unload them. |
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95 // As there aren't many types of items, this seems appropriate. |
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96 CCaHandler* handler = FindHandler( aEntry.GetEntryTypeName() ); |
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97 if( !handler ) |
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98 { |
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99 //TODO: need to change this |
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100 if( aEntry.GetEntryTypeName() == KCaTypeApp() |
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101 || aEntry.GetEntryTypeName() == KCaTypeWidget() ) |
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102 { |
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103 handler = LoadHandlerL( KCaTypeApp() ); |
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104 } |
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105 else |
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106 { |
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107 handler = LoadHandlerL( aEntry.GetEntryTypeName() ); |
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108 } |
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109 } |
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110 if( handler ) |
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111 { |
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112 handler->HandleCommandL( aEntry, aCommand ); |
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113 } |
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114 else |
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115 { |
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116 User::Leave( KErrNotFound ); |
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117 } |
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118 } |
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119 |
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120 // --------------------------------------------------------- |
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121 // |
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122 // --------------------------------------------------------- |
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123 // |
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124 CCaHandler* CCaHandlerEngine::FindHandler( const TDesC& aType ) |
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125 { |
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126 for( TInt i = 0; i < iHandlers.Count(); i++ ) |
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127 { |
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128 CCaHandler* handler = iHandlers[i]; |
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129 if( handler->SupportsType( aType ) ) |
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130 { |
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131 return handler; |
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132 } |
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133 } |
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134 return NULL; |
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135 } |
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136 |
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137 // --------------------------------------------------------- |
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138 // |
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139 // --------------------------------------------------------- |
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140 // |
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141 CCaHandler* CCaHandlerEngine::LoadHandlerL( const TDesC& aType ) |
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142 { |
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143 CCaHandlerPlugin* handler = NULL; |
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144 TBuf8<KCaMaxTypeLen> type; |
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145 type.Copy( aType ); |
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146 TEComResolverParams resolverParams; |
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147 resolverParams.SetDataType( type ); |
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148 RImplInfoPtrArray implInfoArray; |
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149 CleanupStack::PushL( |
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150 TCleanupItem( ResetAndDestroyArray, &implInfoArray ) ); |
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151 REComSession::ListImplementationsL( TUid::Uid( HANDLER_IF_UID ), |
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152 resolverParams, implInfoArray ); |
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153 |
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154 __ASSERT_DEBUG( implInfoArray.Count() <= 1, User::Invariant() ); |
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155 |
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156 if( implInfoArray.Count() != 0 ) |
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157 { |
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158 TUid implUid = implInfoArray[0]->ImplementationUid(); |
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159 handler = CCaHandlerPlugin::NewL( implUid ); |
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160 CleanupStack::PushL( handler ); |
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161 // Here we check if this is the handler we need. Currently we only do |
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162 // a sanity check for the handler (it should support the registered |
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163 // types!), but later this can be extended with better support query. |
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164 // E.g. support for type AND command, etc. |
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165 if( handler->SupportsType( aType ) ) |
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166 { |
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167 iHandlers.AppendL( handler ); |
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168 CleanupStack::Pop( handler ); |
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169 } |
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170 else |
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171 { |
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172 CleanupStack::PopAndDestroy( handler ); |
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173 handler = NULL; |
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174 } |
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175 } |
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176 |
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177 CleanupStack::PopAndDestroy( &implInfoArray ); |
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178 return handler; |
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179 } |
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