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1 /* |
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2 * Copyright (c) 2002-2004 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: Component factory interface |
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15 * |
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16 */ |
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17 |
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18 // User includes |
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19 #include "xnappuiadapter.h" |
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20 #include "xnviewadapter.h" |
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21 #include "xncomponentfactory.h" |
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22 #include "xncomponent.h" |
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23 #include "xnnodepluginif.h" |
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24 #include "xncomponentnodeimpl.h" |
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25 #include "xnviewnodeimpl.h" |
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26 #include "xncontroladapter.h" |
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27 #include "xnpanic.h" |
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28 #include "xntype.h" |
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29 |
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30 // Constants |
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31 _LIT8( KToolTip, "tooltip" ); |
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32 _LIT8( KView, "view" ); |
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33 |
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34 // ============================= LOCAL FUNCTIONS =============================== |
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35 |
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36 // ----------------------------------------------------------------------------- |
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37 // FindParentAdapter |
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38 // Find a parent control adapter up the node chain |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 static CXnControlAdapter* FindParentAdapter( CXnNode& aNode ) |
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42 { |
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43 CXnNode* parent( aNode.Parent() ); |
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44 |
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45 for( ; parent; parent = parent->Parent() ) |
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46 { |
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47 CXnControlAdapter* control( parent->Control() ); |
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48 |
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49 if( control ) |
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50 { |
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51 return control; |
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52 } |
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53 } |
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54 |
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55 return NULL; |
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56 } |
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57 |
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58 // ============================ MEMBER FUNCTIONS =============================== |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // MXnComponentFactory::MXnComponentFactory |
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62 // C++ default constructor can NOT contain any code, that |
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63 // might leave. |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 EXPORT_C MXnComponentFactory::MXnComponentFactory() |
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67 { |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // MXnComponentFactory::CreateXnComponentL |
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72 // Creates a component |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 EXPORT_C MXnComponentFactory::TXnComponentFactoryResponse MXnComponentFactory::CreateXnComponentL( |
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76 CXnNodePluginIf& aNode, |
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77 CXnComponent*& aTargetComponent ) |
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78 { |
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79 const TDesC8& type( aNode.Type()->Type() ); |
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80 |
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81 MXnComponentFactory::TXnComponentFactoryResponse response = |
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82 MakeXnComponentL( aNode, aTargetComponent ); |
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83 |
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84 CleanupStack::PushL( aTargetComponent ); |
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85 |
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86 if ( response != EXnFactoryResponseComponentConstructed ) |
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87 { |
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88 CleanupStack::PopAndDestroy( aTargetComponent ); |
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89 |
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90 return response; |
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91 } |
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92 |
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93 CXnControlAdapter* parentAdapter( FindParentAdapter( aNode.Node() ) ); |
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94 CXnControlAdapter* adapter( MakeXnControlAdapterL( aNode, parentAdapter ) ); |
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95 |
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96 aTargetComponent->SetNode( aNode ); |
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97 |
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98 if ( type == KView ) |
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99 { |
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100 aNode.ViewNodeImpl()->SetComponent( aTargetComponent ); |
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101 } |
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102 else |
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103 { |
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104 aNode.ComponentNodeImpl()->SetComponent( aTargetComponent ); |
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105 } |
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106 |
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107 if ( parentAdapter ) |
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108 { |
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109 parentAdapter->AppendChildL( *adapter, aNode.Node() ); |
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110 } |
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111 |
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112 aTargetComponent->SetControlAdapter( adapter ); |
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113 |
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114 if ( !adapter ) |
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115 { |
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116 CleanupStack::Pop( aTargetComponent ); |
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117 |
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118 return response; |
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119 } |
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120 |
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121 adapter->SetComponent( aTargetComponent ); |
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122 adapter->SetComponentsToInheritVisibility( ETrue ); |
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123 |
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124 if ( type != KToolTip ) |
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125 { |
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126 // Don't activate tooltip yet |
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127 adapter->ActivateL(); |
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128 } |
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129 |
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130 CleanupStack::Pop( aTargetComponent ); |
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131 |
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132 return response; |
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133 } |
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134 |
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135 // ----------------------------------------------------------------------------- |
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136 // MXnComponentFactory::DoesNodeNeedComponentImplL |
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137 // Check whether a node needs a component node implementation |
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138 // ----------------------------------------------------------------------------- |
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139 // |
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140 EXPORT_C TBool MXnComponentFactory::DoesNodeNeedComponentImplL( |
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141 const TDesC8& /*aType*/ ) |
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142 { |
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143 return ETrue; |
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144 } |
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145 |
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146 // ----------------------------------------------------------------------------- |
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147 // MXnComponentFactory::MakeXnComponentL |
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148 // Factory method to create component |
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149 // ----------------------------------------------------------------------------- |
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150 // |
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151 EXPORT_C MXnComponentFactory::TXnComponentFactoryResponse MXnComponentFactory::MakeXnComponentL( |
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152 CXnNodePluginIf& /*aNode*/, |
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153 CXnComponent*& /*aTargetComponent*/ ) |
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154 { |
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155 return EXnFactoryResponseComponentNotSupported; |
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156 } |
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157 |
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158 // ----------------------------------------------------------------------------- |
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159 // MXnComponentFactory::MakeXnComponentL |
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160 // Factory method to create control adapter |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 EXPORT_C CXnControlAdapter* MXnComponentFactory::MakeXnControlAdapterL( |
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164 CXnNodePluginIf& /*aNode*/, |
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165 CXnControlAdapter* /*aParent*/ ) |
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166 { |
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167 return NULL; |
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168 } |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // Default destructor |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 EXPORT_C MXnComponentFactory::~MXnComponentFactory() |
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175 { |
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176 } |