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1 /* |
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2 * Copyright (c) 2006 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: Base class for brushes |
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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 #include "alf/alfbrush.h" |
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21 #include "alf/alfgencomponent.h" |
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22 #include "alf/alfconstants.h" |
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23 #include "alf/alfbrusharray.h" |
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24 #include "alflogger.h" |
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25 |
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26 #include <uiacceltk/HuiUtil.h> |
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27 |
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28 // Private data structure |
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29 struct CAlfBrush::TPrivateData |
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30 { |
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31 CAlfGenComponent* iComms; // owned |
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32 TAlfTimedValue iOpacity; |
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33 TBool iClipToVisual; |
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34 |
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35 // Array keeps track of all the brush arrays in which this brush instance |
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36 // has been added on. Duplicates are allowed. |
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37 RPointerArray<CAlfBrushArray> iContainingBrushArrays; |
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38 }; |
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39 |
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40 // ======== MEMBER FUNCTIONS ======== |
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41 |
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42 // --------------------------------------------------------------------------- |
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43 // Constructor |
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44 // --------------------------------------------------------------------------- |
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45 // |
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46 EXPORT_C CAlfBrush::CAlfBrush() |
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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 // 2nd phase constructor |
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53 // --------------------------------------------------------------------------- |
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54 // |
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55 EXPORT_C void CAlfBrush::ConstructL( |
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56 CAlfEnv& aEnv, |
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57 TInt aImplementationId, |
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58 TInt aImplementationUid, |
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59 const TDesC8& aConstructionParams ) |
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60 { |
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61 ConstructL(); |
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62 |
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63 if (!iData->iComms) |
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64 { |
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65 iData->iComms = CAlfGenComponent::NewL( |
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66 aEnv, |
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67 aImplementationId, |
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68 aImplementationUid, |
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69 aConstructionParams); |
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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 // --------------------------------------------------------------------------- |
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76 // |
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77 EXPORT_C void CAlfBrush::ConstructL() |
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78 { |
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79 iData = new (ELeave) TPrivateData; |
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80 |
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81 iData->iComms = NULL; |
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82 iData->iClipToVisual = EFalse; |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // Destructor |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 EXPORT_C CAlfBrush::~CAlfBrush() |
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90 { |
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91 if ( iData ) |
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92 { |
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93 const TInt containingBrushArrayCount = iData->iContainingBrushArrays.Count(); |
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94 if ( containingBrushArrayCount ) |
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95 { |
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96 __ALFLOGSTRING1( "CAlfBrush::~CAlfBrush Warning: deleted brush still in %d arrays", containingBrushArrayCount ) |
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97 } |
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98 |
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99 // Remove from containing arrays |
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100 for ( TInt i = containingBrushArrayCount-1 ; i>=0 ; i-- ) |
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101 { |
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102 iData->iContainingBrushArrays[i]->HandleBrushDestroyed(*this); |
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103 } |
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104 |
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105 iData->iContainingBrushArrays.Close(); |
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106 |
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107 delete iData->iComms; |
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108 } |
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109 delete iData; |
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110 iData = NULL; |
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111 } |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 // --------------------------------------------------------------------------- |
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116 // |
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117 EXPORT_C const TAlfTimedValue& CAlfBrush::Opacity() const |
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118 { |
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119 TPckg<TAlfTimedValue> buf(iData->iOpacity); |
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120 TInt err = iData->iComms->DoSynchronousCmd( EAlfBrushGetOpacity, buf, buf); |
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121 |
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122 if ( err != KErrNone ) |
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123 { |
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124 __ALFLOGSTRING1( "CAlfBrush::Opacity panic error %d", err ) |
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125 USER_INVARIANT(); |
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126 } |
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127 |
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128 return iData->iOpacity; |
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129 } |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // |
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133 // --------------------------------------------------------------------------- |
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134 // |
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135 EXPORT_C void CAlfBrush::SetOpacity( const TAlfTimedValue& aOpacity ) |
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136 { |
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137 TPckgC<TAlfTimedValue> buf(aOpacity); |
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138 |
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139 TInt err = iData->iComms->DoCmdNoReply( EAlfBrushSetOpacity, buf ); |
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140 |
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141 if ( err == KErrNone ) |
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142 { |
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143 iData->iOpacity = aOpacity; |
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144 } |
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145 else |
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146 { |
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147 __ALFLOGSTRING1( "CAlfBrush::SetOpacity panic error %d", err ) |
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148 USER_INVARIANT(); |
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149 } |
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150 } |
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151 |
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152 // --------------------------------------------------------------------------- |
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153 // Returns server handle. 0 if not set. |
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154 // --------------------------------------------------------------------------- |
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155 // |
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156 EXPORT_C TInt CAlfBrush::Identifier() const |
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157 { |
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158 return iData->iComms->Identifier(); |
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159 } |
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160 |
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161 // --------------------------------------------------------------------------- |
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162 // |
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163 // --------------------------------------------------------------------------- |
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164 // |
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165 EXPORT_C void CAlfBrush::SetLayer(TAlfBrushLayer aLayer) |
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166 { |
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167 TPckgC<TAlfBrushLayer> buf(aLayer); |
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168 |
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169 TInt err = iData->iComms->DoCmdNoReply( EAlfBrushSetLayer, buf ); |
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170 |
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171 if ( err ) |
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172 { |
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173 __ALFLOGSTRING1( "CAlfBrush::SetLayer panic error %d", err ) |
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174 USER_INVARIANT(); |
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175 } |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 EXPORT_C CAlfGenComponent* CAlfBrush::Comms() const |
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183 { |
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184 ASSERT(iData); |
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185 return iData->iComms; |
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186 } |
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187 |
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188 // --------------------------------------------------------------------------- |
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189 // future proofing |
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190 // --------------------------------------------------------------------------- |
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191 // |
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192 EXPORT_C void CAlfBrush::PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams) |
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193 { |
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194 CAlfPropertyOwner::PropertyOwnerExtension(aExtensionUid, aExtensionParams); |
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195 } |
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196 |
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197 |
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198 // --------------------------------------------------------------------------- |
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199 // Append a brush array which holds this brush |
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200 // --------------------------------------------------------------------------- |
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201 // |
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202 TInt CAlfBrush::AppendContainingArray( CAlfBrushArray& aContainingArray ) |
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203 { |
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204 __ASSERT_ALWAYS( iData , USER_INVARIANT() ); |
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205 |
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206 // allow duplicates, because a brush can be in the same array many times. |
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207 return iData->iContainingBrushArrays.Append( &aContainingArray ); |
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208 } |
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209 |
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210 // --------------------------------------------------------------------------- |
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211 // Removes a brush array which holds this brush |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 void CAlfBrush::RemoveContainingArray( CAlfBrushArray& aContainingArray ) |
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215 { |
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216 __ASSERT_ALWAYS( iData , USER_INVARIANT() ); |
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217 |
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218 for ( TInt i = iData->iContainingBrushArrays.Count()-1 ; i>=0 ; i-- ) |
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219 { |
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220 if ( iData->iContainingBrushArrays[i] == &aContainingArray ) |
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221 { |
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222 // remove one instance only once becuase it might be on the same array |
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223 // several times |
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224 iData->iContainingBrushArrays.Remove(i); |
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225 iData->iContainingBrushArrays.Compress(); |
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226 break; |
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227 } |
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228 } |
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229 } |
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230 |
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231 // --------------------------------------------------------------------------- |
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232 // |
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233 // --------------------------------------------------------------------------- |
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234 // |
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235 EXPORT_C void CAlfBrush::SetClipToVisual(TBool aClipToVisual) |
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236 { |
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237 TPckgC<TBool> buf(aClipToVisual); |
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238 |
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239 TInt err = iData->iComms->DoCmdNoReply( EAlfBrushSetClipToVisual, buf ); |
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240 |
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241 if ( err ) |
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242 { |
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243 __ALFLOGSTRING1( "CAlfBrush::SetClipToVisual panic error %d", err ) |
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244 USER_INVARIANT(); |
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245 } |
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246 } |
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247 |
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248 // --------------------------------------------------------------------------- |
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249 // |
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250 // --------------------------------------------------------------------------- |
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251 // |
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252 EXPORT_C TBool CAlfBrush::ClipToVisual() const |
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253 { |
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254 TPckg<TBool> buf(iData->iClipToVisual); |
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255 TInt err = iData->iComms->DoSynchronousCmd( EAlfBrushClipToVisual, buf, buf); |
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256 |
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257 if ( err != KErrNone ) |
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258 { |
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259 __ALFLOGSTRING1( "CAlfBrush::ClipToVisual panic error %d", err ) |
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260 USER_INVARIANT(); |
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261 } |
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262 |
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263 return iData->iClipToVisual; |
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264 |
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265 } |
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266 |