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: Implements attributesetters for ViewPortLayout. |
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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 |
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20 //includes |
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21 |
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22 //widget model includes |
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23 #include "alf/alfattributecontainer.h" |
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24 #include "alf/alfattribute.h" |
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25 #include "alf/alfviewportlayoutattributesetter.h" |
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26 #include <alf/alfvisualexception.h> |
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27 #include <alf/alfdataexception.h> |
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28 #include <alf/alfattributeexception.h> |
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29 |
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30 //osn includes |
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31 #include <osn/ustring.h> |
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32 |
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33 //alf includes |
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34 #include <alf/alfvisual.h> |
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35 #include <alf/alfviewportlayout.h> |
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36 |
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37 //dui includes |
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38 #include "alf/attrproperty.h" |
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39 |
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40 //other includes |
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41 #include <libc/string.h> |
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42 |
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43 |
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44 |
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45 //namespaces |
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46 using namespace osncore; |
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47 using namespace duiuimodel::layoutattributes::viewport; |
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48 |
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49 namespace Alf |
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50 { |
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51 |
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52 // ======== MEMBER FUNCTIONS ======== |
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53 |
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54 |
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55 // --------------------------------------------------------------------------- |
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56 // Constructor. |
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57 // --------------------------------------------------------------------------- |
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58 // |
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59 OSN_EXPORT AlfViewportLayoutAttributeSetter::AlfViewportLayoutAttributeSetter() |
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60 { |
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61 } |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // Destructor. |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 OSN_EXPORT AlfViewportLayoutAttributeSetter:: |
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68 ~AlfViewportLayoutAttributeSetter() |
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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 IAlfVariantType* AlfViewportLayoutAttributeSetter::getData( |
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76 AlfAttribute& aAttr, IAlfMap* aData) |
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77 { |
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78 IAlfVariantType* data = 0; |
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79 const char* dataField = aAttr.getDataField(); |
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80 if (dataField) |
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81 { |
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82 data = aData->item(UString(dataField)); |
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83 } |
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84 return data; |
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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 int AlfViewportLayoutAttributeSetter::getTime( |
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92 const AlfAttribute& aAttr, bool aImmediate) |
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93 { |
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94 int time = 0; |
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95 if (!aImmediate) |
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96 { |
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97 time = aAttr.getTime(); |
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98 } |
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99 return time; |
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100 } |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // --------------------------------------------------------------------------- |
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104 // |
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105 OSN_EXPORT void AlfViewportLayoutAttributeSetter::setAttributeValue( |
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106 CAlfVisual &aVisual, AlfAttributeContainer* aContainer, IAlfMap* aData) |
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107 { |
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108 CAlfViewportLayout* viewportLayout = |
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109 dynamic_cast<CAlfViewportLayout*>(&aVisual); |
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110 if (!viewportLayout) |
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111 { |
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112 ALF_THROW (AlfVisualException, EInvalidVisual, "AlfViewportLayoutAttributeSetter") |
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113 } |
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114 AlfCommonLayoutAttributeSetter::setAttributeValue(aVisual, |
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115 aContainer, aData); |
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116 } |
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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 OSN_EXPORT TAlfCommand* AlfViewportLayoutAttributeSetter::createCommand( |
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122 CAlfVisual& /*aVisual*/, AlfAttributeContainer* /*aContainer*/, |
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123 IAlfMap* /*aData*/, int /*aTransitionTime*/, CAlfVisual* /*aRefVisual*/) |
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124 { |
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125 TAlfCommand* cmd = 0; |
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126 return cmd; |
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127 } |
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128 |
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129 // --------------------------------------------------------------------------- |
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130 // --------------------------------------------------------------------------- |
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131 // |
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132 OSN_EXPORT void AlfViewportLayoutAttributeSetter::createAndSendCommands( |
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133 CAlfVisual& aVisual, |
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134 AlfAttributeContainer* aContainer, |
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135 CAlfVisual* aRefVisual ) |
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136 { |
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137 // Call the base class implementation. |
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138 // It goes through its loop and checks if there are attributes that it |
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139 // handles. |
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140 AlfCommonLayoutAttributeSetter::createAndSendCommands(aVisual, |
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141 aContainer,aRefVisual); |
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142 } |
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143 |
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144 // --------------------------------------------------------------------------- |
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145 // --------------------------------------------------------------------------- |
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146 // |
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147 void AlfViewportLayoutAttributeSetter::handleDynamicDataAttribute( |
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148 CAlfVisual& aVisual, AlfAttribute& aAttr, |
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149 AlfAttributeContainer& aContainer, IAlfMap* aData) |
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150 { |
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151 if (!doHandleDynamicDataAttribute(aVisual, aAttr, aContainer, aData)) |
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152 { |
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153 AlfCommonLayoutAttributeSetter::handleDynamicDataAttribute(aVisual, |
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154 aAttr, aContainer, aData); |
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155 } |
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156 } |
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157 // --------------------------------------------------------------------------- |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 bool AlfViewportLayoutAttributeSetter::doHandleDynamicDataAttribute( |
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161 CAlfVisual& aVisual, AlfAttribute& aAttr, |
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162 AlfAttributeContainer& aContainer, IAlfMap* aData, bool aImmediate) |
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163 { |
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164 CAlfViewportLayout* viewportLayout = |
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165 dynamic_cast<CAlfViewportLayout*>(&aVisual); |
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166 if (!viewportLayout) |
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167 { |
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168 ALF_THROW (AlfVisualException, EInvalidVisual, "AlfViewportLayoutAttributeSetter") |
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169 } |
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170 bool handled = true; |
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171 if (!aData) |
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172 { |
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173 ALF_THROW (AlfDataException, EInvalidVariantDataType, "AlfViewportLayoutAttributeSetter" ) |
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174 } |
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175 else |
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176 { |
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177 const char* attrName = aAttr.name(); |
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178 if (!strcmp( attrName, KVirtualHeight)) //also handles: KVirtualWidth |
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179 { |
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180 // item for both virtual height and virtual width should be there. |
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181 const IAlfVariantType* virtualHeight = getData(aAttr, aData); |
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182 const IAlfVariantType* virtualWidth = |
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183 getData(aContainer.getAttributeByName(KVirtualWidth), aData); |
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184 |
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185 if (virtualHeight && |
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186 virtualHeight->type() == IAlfVariantType::EReal && |
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187 virtualWidth && virtualWidth->type() == IAlfVariantType::EReal) |
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188 { |
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189 viewportLayout->SetVirtualSize( |
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190 TAlfRealSize(virtualWidth->real(),virtualHeight->real()), |
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191 getTime(aAttr, aImmediate)); |
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192 } |
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193 else |
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194 { |
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195 ALF_THROW(AlfDataException, EInvalidVariantDataType, "AlfViewportLayoutAttributeSetter") |
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196 } |
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197 |
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198 } |
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199 else if (!strcmp( attrName, KVirtualWidth)) |
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200 { |
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201 // both virtual height and virtual width should be there |
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202 // if attribute for virtual height exists,don't do anything as this |
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203 // will be taken care while looking for attribute for virtual |
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204 // height, else throw exception |
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205 try |
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206 { |
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207 AlfAttribute& attrWidth = |
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208 aContainer.getAttributeByName (KVirtualHeight ); |
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209 } |
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210 |
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211 catch (...) |
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212 { |
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213 ALF_THROW(AlfDataException, EIncompleteAttributeValues, "AlfViewportLayoutAttributeSetter") |
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214 } |
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215 } |
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216 //also handles: KViewportWidth |
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217 else if (!strcmp( attrName, KViewportHeight)) |
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218 { |
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219 // item for both viewport window height and viewport window width |
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220 // should be there. |
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221 const IAlfVariantType* viewportHeight = getData(aAttr, aData); |
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222 const IAlfVariantType* viewportWidth = |
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223 getData(aContainer.getAttributeByName(KViewportWidth), aData); |
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224 |
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225 if (viewportHeight && |
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226 viewportHeight->type() == IAlfVariantType::EReal && |
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227 viewportWidth && |
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228 viewportWidth->type() == IAlfVariantType::EReal) |
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229 { |
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230 viewportLayout->SetViewportSize( |
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231 TAlfRealSize(viewportWidth->real(),viewportHeight->real()), |
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232 getTime(aAttr, aImmediate)); |
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233 } |
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234 else |
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235 { |
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236 ALF_THROW(AlfDataException, EInvalidVariantDataType, "AlfViewportLayoutAttributeSetter") |
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237 } |
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238 } |
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239 else if (!strcmp( attrName, KViewportWidth)) |
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240 { |
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241 // both viewport height and viewport width should be there |
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242 // if attribute for viewport height exists,don't do anything as |
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243 // this will be taken care while looking for attribute for |
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244 // virtual height, else throw exception |
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245 try |
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246 { |
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247 AlfAttribute& attrWidth = |
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248 aContainer.getAttributeByName (KViewportHeight ); |
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249 } |
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250 |
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251 catch (...) |
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252 { |
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253 ALF_THROW(AlfDataException, EIncompleteAttributeValues, "AlfViewportLayoutAttributeSetter") |
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254 } |
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255 } |
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256 //also handles: KViewportPositionY |
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257 else if (!strcmp( attrName, KViewportPositionX)) |
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258 { |
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259 // item for both viewport window X-position and Y-position |
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260 // should be there. |
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261 const IAlfVariantType* viewportPosX = getData(aAttr, aData); |
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262 const IAlfVariantType* viewportPosY = |
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263 getData(aContainer.getAttributeByName(KViewportPositionY), |
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264 aData); |
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265 |
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266 if (viewportPosX && |
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267 viewportPosX->type() == IAlfVariantType::EReal && |
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268 viewportPosY && viewportPosY->type() == IAlfVariantType::EReal) |
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269 { |
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270 viewportLayout->SetViewportPos( |
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271 TAlfRealPoint(viewportPosX->real(),viewportPosY->real()), |
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272 getTime(aAttr, aImmediate)); |
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273 } |
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274 else |
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275 { |
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276 ALF_THROW(AlfDataException, EInvalidVariantDataType, "AlfViewportLayoutAttributeSetter") |
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277 } |
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278 } |
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279 else if (!strcmp( attrName, KViewportPositionY)) |
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280 { |
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281 // both viewport window X-position and Y-position should be there |
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282 // if attribute for viewport window X-position exists,don't do |
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283 // anything as this will be taken care while looking for attribute |
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284 // for viewport window X-position, else throw exception |
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285 try |
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286 { |
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287 AlfAttribute& attrWidth = |
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288 aContainer.getAttributeByName (KViewportPositionX ); |
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289 } |
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290 |
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291 catch (...) |
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292 { |
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293 ALF_THROW(AlfDataException, EIncompleteAttributeValues, "AlfViewportLayoutAttributeSetter") |
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294 } |
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295 } |
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296 else |
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297 { |
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298 handled = false; |
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299 } |
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300 } |
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301 return handled; |
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302 } |
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303 |
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304 void AlfViewportLayoutAttributeSetter::handleStaticDataAttribute( |
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305 CAlfVisual &aVisual, AlfAttribute& aAttr, |
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306 AlfAttributeContainer& aContainer, IAlfMap* aData) |
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307 { |
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308 // viewport layout does not have any static attribute of its own |
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309 // check, if dynamic attribute(but set by user as static), if so, |
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310 // set attributes immediately. |
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311 if (!doHandleDynamicDataAttribute(aVisual, aAttr,aContainer, aData, true)) |
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312 { |
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313 AlfCommonLayoutAttributeSetter::handleStaticDataAttribute( |
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314 aVisual, aAttr, aContainer, aData); |
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315 } |
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316 } |
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317 |
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318 void AlfViewportLayoutAttributeSetter::handleDynamicAttribute( |
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319 CAlfVisual &aVisual, AlfAttribute& aAttr, |
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320 AlfAttributeContainer& aContainer) |
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321 { |
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322 if (!doHandleDynamicAttribute(aVisual, aAttr, aContainer)) |
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323 { |
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324 AlfCommonLayoutAttributeSetter::handleDynamicAttribute( |
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325 aVisual, aAttr, aContainer); |
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326 } |
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327 } |
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328 |
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329 bool AlfViewportLayoutAttributeSetter::doHandleDynamicAttribute( |
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330 CAlfVisual &aVisual, AlfAttribute& aAttr, |
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331 AlfAttributeContainer& aContainer, bool aImmediate) |
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332 { |
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333 CAlfViewportLayout* viewportLayout = |
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334 dynamic_cast<CAlfViewportLayout*>(&aVisual); |
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335 if (!viewportLayout) |
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336 { |
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337 ALF_THROW (AlfVisualException, EInvalidVisual, "AlfViewportLayoutAttributeSetter") |
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338 } |
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339 |
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340 bool handled = true; |
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341 const char* attrName = aAttr.name(); |
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342 if (!strcmp(attrName, KVirtualHeight)||!strcmp(attrName, KVirtualWidth)) |
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343 { |
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344 // both virtual height and virtual width should be there. |
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345 AlfAttribute& attrWidth = |
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346 aContainer.getAttributeByName (KVirtualWidth ); |
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347 AlfAttribute& attrHt = aContainer.getAttributeByName (KVirtualHeight ); |
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348 if(attrWidth.type() == AlfAttributeValueType::EFloat && |
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349 attrHt.type() == AlfAttributeValueType::EFloat ) |
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350 { |
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351 float height = attrHt.realValue(); |
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352 float width = attrWidth.realValue(); |
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353 viewportLayout->SetVirtualSize( |
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354 TAlfRealSize(width,height),getTime(attrHt, aImmediate)); |
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355 attrHt.setDirty(false); |
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356 attrWidth.setDirty(false); |
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357 } |
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358 else |
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359 { |
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360 ALF_THROW ( AlfAttributeException, EInvalidAttributeValue, "AlfViewportLayoutAttributeSetter"); |
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361 } |
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362 } |
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363 else if (!strcmp(attrName, KViewportHeight)|| |
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364 !strcmp(attrName, KViewportWidth)) |
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365 { |
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366 // both viewport window height and width should be there. |
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367 AlfAttribute& attrWidth = |
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368 aContainer.getAttributeByName (KViewportWidth ); |
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369 AlfAttribute& attrHt = |
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370 aContainer.getAttributeByName (KViewportHeight ); |
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371 if(attrWidth.type() == AlfAttributeValueType::EFloat && |
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372 attrHt.type() == AlfAttributeValueType::EFloat ) |
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373 { |
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374 float height = attrHt.realValue(); |
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375 float width = attrWidth.realValue(); |
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376 viewportLayout->SetViewportSize( |
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377 TAlfRealSize(width,height),getTime(attrHt, aImmediate)); |
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378 attrHt.setDirty(false); |
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379 attrWidth.setDirty(false); |
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380 } |
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381 else |
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382 { |
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383 ALF_THROW ( AlfAttributeException, EInvalidAttributeValue, "AlfViewportLayoutAttributeSetter"); |
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384 } |
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385 } |
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386 else if (!strcmp(attrName, KViewportPositionX)|| |
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387 !strcmp(attrName, KViewportPositionY)) |
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388 { |
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389 // both viewport window X-position and Y-position should be there. |
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390 AlfAttribute& attrWidth = |
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391 aContainer.getAttributeByName (KViewportPositionY ); |
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392 AlfAttribute& attrHt = |
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393 aContainer.getAttributeByName (KViewportPositionX ); |
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394 if(attrWidth.type() == AlfAttributeValueType::EFloat && |
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395 attrHt.type() == AlfAttributeValueType::EFloat ) |
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396 { |
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397 float xPosition = attrHt.realValue(); |
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398 float yPosition = attrWidth.realValue(); |
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399 viewportLayout->SetViewportPos( |
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400 TAlfRealPoint(xPosition,yPosition),getTime(attrHt, aImmediate)); |
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401 attrHt.setDirty(false); |
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402 attrWidth.setDirty(false); |
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403 } |
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404 else |
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405 { |
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406 ALF_THROW ( AlfAttributeException, EInvalidAttributeValue, "AlfViewportLayoutAttributeSetter"); |
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407 } |
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408 } |
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409 else |
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410 { |
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411 handled = false; |
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412 } |
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413 |
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414 return handled; |
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415 } |
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416 |
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417 void AlfViewportLayoutAttributeSetter::handleStaticAttribute( |
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418 CAlfVisual& aVisual, AlfAttribute& aAttr, |
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419 AlfAttributeContainer& aContainer) |
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420 { |
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421 // viewport layout does not have any static attribute of its own |
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422 // check, if dynamic attribute(but set as static by the user), |
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423 // if so, set attributes immediately. |
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424 if (!doHandleDynamicAttribute(aVisual, aAttr, aContainer, true)) |
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425 { |
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426 AlfCommonLayoutAttributeSetter::handleStaticAttribute(aVisual, aAttr, |
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427 aContainer); |
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428 } |
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429 } |
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430 |
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431 } // Alf |
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432 |
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