1 /* |
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2 * Copyright (c) 2007-2008 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: Visual item class |
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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 #include <mul/mulvisualitem.h> |
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20 |
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21 #include <mul/imulvarianttype.h> |
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22 #include <mul/mulvarianttype.h> |
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23 |
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24 #include <osn/ustring.h> |
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25 #include <stdexcept> |
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26 |
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27 #include <e32math.h> // for Pow function |
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28 #include "mul/mulmodelutility.h" |
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29 |
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30 using namespace osncore; |
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31 using namespace std; |
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32 |
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33 namespace Alf |
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34 { |
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35 // --------------------------------------------------------------------------- |
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36 // Defination of class MulAttribute |
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37 // --------------------------------------------------------------------------- |
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38 // |
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39 class MulVisualItem::MulAttribute |
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40 { |
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41 public: //Constructor and destructor |
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42 |
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43 /** |
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44 * C++ constructor. |
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45 */ |
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46 MulAttribute():mValue(NULL),mFlag(0) |
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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 * C++ constructor. |
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52 * |
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53 * @param aValue value of the attribute |
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54 * @param aAttributeFlags property of this attribute |
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55 */ |
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56 MulAttribute( IMulVariantType* aValue, int aAttributeFlags = 0 ) |
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57 { |
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58 mValue = aValue; |
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59 mFlag = aAttributeFlags; |
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60 } |
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61 |
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62 /** |
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63 * Copy constructor. |
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64 * |
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65 * @param aAttribute existing attribute |
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66 */ |
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67 MulAttribute( const MulAttribute& aAttribute ) |
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68 { |
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69 mValue = aAttribute.mValue->Clone().release(); |
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70 mFlag = aAttribute.mFlag; |
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71 } |
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72 |
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73 /** |
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74 * Destructor. |
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75 */ |
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76 ~MulAttribute() |
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77 { |
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78 delete mValue; |
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79 } |
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80 |
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81 public: //data |
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82 |
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83 IMulVariantType* mValue ; //own |
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84 int mFlag ; |
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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 // Constructor |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 OSN_EXPORT MulVisualItem::MulVisualItem( ) |
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93 { |
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94 // Clearing dirty bit flags to 0; |
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95 mBitAttrFlag1 = 0; |
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96 mBitAttrFlag2 = 0; |
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97 } |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // Copy Constructor |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 OSN_EXPORT MulVisualItem::MulVisualItem( const MulVisualItem& aVisualItem ) |
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104 { |
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105 map<mulvisualitem::TVisualAttribute,MulAttribute*> mapToCopy = aVisualItem.mVisualItem; |
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106 map<mulvisualitem::TVisualAttribute,MulAttribute*>::iterator itr; |
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107 for( itr = mapToCopy.begin(); itr!= mapToCopy.end(); ++itr ) |
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108 { |
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109 mVisualItem[itr->first] = new (EMM) MulAttribute( *itr->second ); |
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110 } |
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111 mBitAttrFlag1 = aVisualItem.mBitAttrFlag1; |
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112 mBitAttrFlag2 = aVisualItem.mBitAttrFlag2; |
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113 } |
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114 |
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115 // --------------------------------------------------------------------------- |
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116 // Destructor |
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117 // --------------------------------------------------------------------------- |
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118 // |
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119 OSN_EXPORT MulVisualItem::~MulVisualItem() |
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120 { |
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121 map<mulvisualitem::TVisualAttribute,MulAttribute* >::iterator itr; |
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122 for( itr = mVisualItem.begin(); itr!= mVisualItem.end(); ++itr ) |
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123 { |
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124 delete itr->second; |
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125 itr->second = NULL; |
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126 } |
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127 mVisualItem.clear(); |
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128 } |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // Add new attributes to visual item |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 //OSN_EXPORT void MulVisualItem::SetAttribute( mulvisualitem::TVisualAttribute aName, |
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135 // const UString& aValue, int aAttributeFlags ) |
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136 // { |
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137 // auto_ptr<MulVariantType> variantdata(new (EMM) MulVariantType( aValue )); |
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138 // |
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139 // SetAttribute( aName, variantdata.release(),aAttributeFlags,EDoesOwn); |
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140 // } |
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141 |
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142 // --------------------------------------------------------------------------- |
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143 // Add new attributes to visual item |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 OSN_EXPORT void MulVisualItem::SetAttribute( mulvisualitem::TVisualAttribute aName, |
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147 const TDesC& aValue, int aAttributeFlags ) |
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148 { |
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149 auto_ptr<MulVariantType> variantdata(new (EMM) MulVariantType( aValue )); |
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150 |
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151 SetAttribute( aName, variantdata.release(),aAttributeFlags,EDoesOwn); |
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152 } |
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153 |
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154 |
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155 // --------------------------------------------------------------------------- |
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156 // Add new attributes to visual item |
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157 // --------------------------------------------------------------------------- |
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158 // |
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159 OSN_EXPORT void MulVisualItem::SetAttribute( mulvisualitem::TVisualAttribute aName, |
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160 int aValue,int aAttributeFlags ) |
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161 { |
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162 auto_ptr<MulVariantType> variantdata(new ( EMM ) MulVariantType( aValue )); |
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163 |
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164 SetAttribute(aName,variantdata.release(),aAttributeFlags,EDoesOwn); |
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165 } |
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166 |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 // Add new attributes to visual item |
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170 // --------------------------------------------------------------------------- |
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171 // |
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172 OSN_EXPORT void MulVisualItem::SetAttribute( mulvisualitem::TVisualAttribute aName, IMulVariantType* aValue, |
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173 int aAttributeFlags , |
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174 TAttributeOwnership /*aAttributeOwership*/ ) |
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175 { |
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176 map<mulvisualitem::TVisualAttribute,MulAttribute* >::iterator findIter = mVisualItem.find( aName ); |
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177 if( findIter != mVisualItem.end() ) |
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178 { |
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179 delete findIter->second; |
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180 findIter->second = NULL; |
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181 mVisualItem.erase( aName ); |
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182 } |
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183 mVisualItem[aName] = new (EMM) MulAttribute(aValue,aAttributeFlags ); |
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184 SetDirty(aName, true); |
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185 } |
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186 |
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187 |
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188 // --------------------------------------------------------------------------- |
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189 // Is the input attribute dirty, to be queried before a redraw |
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190 // --------------------------------------------------------------------------- |
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191 // |
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192 OSN_EXPORT bool MulVisualItem::IsDirty(mulvisualitem::TVisualAttribute aAttr) const |
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193 { |
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194 int i = (int)aAttr; |
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195 TReal base = 2.0; |
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196 TReal r = 0.0; |
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197 TReal val = 0.0; |
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198 TInt err = KErrNone; |
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199 |
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200 // If mBitAttrflag is binary 101, AND'ing it with 100(attribute 3) will |
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201 // set 100 to return true for attribute 3 being dirty |
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202 |
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203 // if attribute index <18 check against mBitAttrFlag1, else check |
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204 // against mBitAttrFlag2 |
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205 if(i < 18) |
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206 { |
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207 val = i; |
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208 err = Math::Pow(r, base, val); |
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209 if(KErrNone != err) |
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210 return true; |
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211 |
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212 return mBitAttrFlag1 & (int)r; |
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213 } |
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214 else |
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215 { |
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216 val = (int)(mulvisualitem::KMul_n) - i; |
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217 err = Math::Pow(r, base, val); |
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218 if(KErrNone != err) |
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219 return true; |
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220 |
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221 return mBitAttrFlag2 & (int)r; |
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222 } |
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223 |
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224 } |
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225 |
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226 |
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227 // --------------------------------------------------------------------------- |
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228 // Set the attribute as dirty in this Visual item based on input flag |
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229 // --------------------------------------------------------------------------- |
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230 // |
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231 void MulVisualItem::SetDirty(mulvisualitem::TVisualAttribute aAttr, bool aDirty) |
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232 { |
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233 int i = (int)aAttr; |
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234 TReal base = 2.0; |
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235 TReal r = 0.0; |
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236 TReal val = i; |
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237 TInt err = KErrNone; |
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238 // If mBitAttrflag is binary 001, OR'ing it with 100(attribute 3) will |
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239 // set 101 to set bit for attribute 3 as 1 in dirty flag |
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240 if(aDirty) |
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241 { |
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242 // if attribute index <18 operate on mBitAttrFlag1 |
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243 // else operate against mBitAttrFlag1 |
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244 if(i < 18) |
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245 { |
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246 err = Math::Pow(r,base,val); |
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247 mBitAttrFlag1 |= (int)r; |
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248 } |
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249 else |
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250 { |
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251 err = Math::Pow(r,base,(TReal)((int)(mulvisualitem::KMul_n) - i)); |
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252 mBitAttrFlag2 |= (int)r; |
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253 } |
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254 } |
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255 else |
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256 { |
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257 // if attribute index <18 operate on mBitAttrFlag1 |
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258 // else operate against mBitAttrFlag1 |
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259 if(i < 18) |
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260 { |
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261 err = Math::Pow(r,base,val); |
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262 mBitAttrFlag1 &= ~(int)r; |
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263 } |
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264 else |
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265 { |
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266 err = Math::Pow(r, base,(TReal)((int)(mulvisualitem::KMul_n) - i)); |
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267 mBitAttrFlag2 &= ~(int)r; |
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268 } |
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269 } |
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270 if(KErrNone != err) |
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271 throw std::invalid_argument("Error setting dirty flag for attribute"); |
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272 } |
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273 |
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274 |
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275 // --------------------------------------------------------------------------- |
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276 // ResetDirtyAttribute |
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277 // --------------------------------------------------------------------------- |
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278 // |
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279 void MulVisualItem::ResetDirtyAttribute(const MulVisualItem& aVisualItem) |
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280 { |
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281 mBitAttrFlag1 = aVisualItem.mBitAttrFlag1; |
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282 mBitAttrFlag2 = aVisualItem.mBitAttrFlag2; |
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283 } |
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284 // --------------------------------------------------------------------------- |
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285 // Attribute |
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286 // --------------------------------------------------------------------------- |
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287 // |
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288 OSN_EXPORT IMulVariantType* MulVisualItem::Attribute( mulvisualitem::TVisualAttribute aName ) const |
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289 { |
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290 map<mulvisualitem::TVisualAttribute,MulAttribute* >::const_iterator findIter = mVisualItem.find( aName ); |
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291 if( findIter != mVisualItem.end() ) |
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292 { |
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293 MulAttribute* attribute = findIter->second; |
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294 IMulVariantType* attributeValue = attribute->mValue; |
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295 return attributeValue; |
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296 } |
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297 else |
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298 { |
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299 //throw std::invalid_argument("Invalid attribute name."); |
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300 return NULL; |
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301 } |
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302 } |
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303 |
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304 // --------------------------------------------------------------------------- |
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305 // AttributeAsInt |
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306 // --------------------------------------------------------------------------- |
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307 // |
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308 OSN_EXPORT int MulVisualItem::AttributeAsInt( mulvisualitem::TVisualAttribute aName ) const |
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309 { |
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310 IMulVariantType* attributeValue = Attribute(aName); |
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311 if( attributeValue ) |
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312 { |
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313 return attributeValue->integer(); |
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314 } |
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315 throw std::invalid_argument("Invalid attribute name."); |
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316 } |
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317 |
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318 // --------------------------------------------------------------------------- |
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319 // AttributeAsString |
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320 // --------------------------------------------------------------------------- |
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321 // |
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322 OSN_EXPORT const TDesC& MulVisualItem::AttributeAsString( mulvisualitem::TVisualAttribute aName ) const |
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323 { |
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324 IMulVariantType* attributeValue = Attribute(aName); |
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325 if( attributeValue ) |
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326 { |
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327 return attributeValue->DesC(); |
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328 } |
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329 throw std::invalid_argument("Invalid attribute name."); |
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330 } |
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331 |
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332 // --------------------------------------------------------------------------- |
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333 // ExistingAttributes |
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334 // --------------------------------------------------------------------------- |
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335 // |
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336 OSN_EXPORT const std::vector<mulvisualitem::TVisualAttribute> MulVisualItem::Attributes() const |
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337 { |
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338 map<mulvisualitem::TVisualAttribute,MulAttribute* >::const_iterator itr; |
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339 std::vector<mulvisualitem::TVisualAttribute> attributesName; |
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340 for( itr = mVisualItem.begin(); itr!= mVisualItem.end(); ++itr ) |
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341 { |
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342 attributesName.push_back( itr->first ); |
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343 } |
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344 return attributesName; |
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345 } |
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346 |
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347 // --------------------------------------------------------------------------- |
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348 // Flag |
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349 // --------------------------------------------------------------------------- |
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350 // |
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351 int MulVisualItem::Flag( mulvisualitem::TVisualAttribute aName ) |
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352 { |
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353 MulAttribute* attribute = mVisualItem.find( aName )->second; |
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354 return attribute->mFlag; |
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355 } |
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356 |
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357 // --------------------------------------------------------------------------- |
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358 // RemoveAttribute |
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359 // --------------------------------------------------------------------------- |
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360 // |
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361 void MulVisualItem::RemoveAttribute( mulvisualitem::TVisualAttribute aName ) |
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362 { |
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363 map<mulvisualitem::TVisualAttribute,MulAttribute* >::iterator findIter = mVisualItem.find( aName ); |
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364 if( findIter != mVisualItem.end() ) |
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365 { |
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366 delete findIter->second; |
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367 findIter->second = NULL; |
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368 mVisualItem.erase( aName ); |
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369 } |
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370 } |
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371 |
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372 }// namespace Alf |
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373 |
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374 //End of file |
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