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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: image provider for liw buffer |
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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 <fbs.h> |
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20 #include <AknsSkinInstance.h> |
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21 #include <AknsUtils.h> |
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22 #include <liwcommon.h> |
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23 #include <liwbufferextension.h> |
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24 #include <s32mem.h> |
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25 #include "hnattrimgprovliwimage.h" |
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26 #include "hnextbmpiconholder.h" |
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27 |
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28 // ============================ MEMBER FUNCTIONS ============================= |
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29 |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 // --------------------------------------------------------------------------- |
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34 // |
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35 CHnAttrImgProvLiwImage::CHnAttrImgProvLiwImage() |
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36 { |
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37 } |
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38 |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 // --------------------------------------------------------------------------- |
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42 // |
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43 void CHnAttrImgProvLiwImage::ConstructL( TLiwVariant*& aBitmap, |
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44 TLiwVariant*& aMaskBitmap ) |
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45 { |
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46 ASSERT( aBitmap ); |
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47 CFbsBitmap* mask = NULL; |
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48 CFbsBitmap* bitmap = CreateBitmapFromVariantL( *aBitmap ); |
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49 if ( bitmap ) |
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50 { |
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51 if( aMaskBitmap ) |
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52 { |
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53 mask = CreateBitmapFromVariantL( *aMaskBitmap ); |
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54 } |
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55 CreateIconL( bitmap, mask ); |
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56 } |
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57 else if ( aBitmap->TypeId() == LIW::EVariantTypeBuffer ) |
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58 { |
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59 CLiwBitmapBuffer* bmpBuff = |
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60 static_cast<CLiwBitmapBuffer*>( aBitmap->AsBuffer() ); |
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61 CLiwBitmapBuffer* maskBuff = |
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62 static_cast<CLiwBitmapBuffer*>( |
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63 aMaskBitmap ? aMaskBitmap->AsBuffer() : NULL ); |
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64 if ( bmpBuff ) |
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65 { |
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66 bitmap = bmpBuff->AsBitmap(); |
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67 } |
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68 if ( maskBuff ) |
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69 { |
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70 mask = maskBuff->AsBitmap(); |
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71 } |
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72 if ( bitmap ) |
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73 { |
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74 CreateExtIconL( bitmap, mask, bmpBuff, maskBuff ); |
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75 } |
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76 } |
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77 if ( !bitmap ) |
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78 { |
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79 //No point to keep variant as bitmap was not created |
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80 aBitmap->Reset(); |
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81 delete aBitmap; |
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82 aBitmap = NULL; |
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83 } |
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84 if ( aMaskBitmap && !mask ) |
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85 { |
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86 //No point to keep variant as bitmap was not created |
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87 aMaskBitmap->Reset(); |
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88 delete aMaskBitmap; |
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89 aMaskBitmap = NULL; |
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90 } |
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91 } |
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92 |
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93 // --------------------------------------------------------------------------- |
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94 // |
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95 // --------------------------------------------------------------------------- |
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96 // |
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97 void CHnAttrImgProvLiwImage::CreateExtIconL( CFbsBitmap* aBitmap, |
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98 CFbsBitmap* aMask, CLiwBitmapBuffer* aExtBmp, |
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99 CLiwBitmapBuffer* aExtMask ) |
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100 { |
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101 // the condition in the assertion below means: if you provide aMask then |
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102 // you must also provide aExtMask |
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103 __ASSERT_DEBUG( aBitmap && aExtBmp && ( !aMask || aExtMask ), |
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104 User::Invariant() ); |
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105 |
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106 CGulIcon* newIcon = CGulIcon::NewL( aBitmap, aMask ); |
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107 CleanupStack::PushL( newIcon ); |
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108 newIcon->SetBitmapsOwnedExternally( ETrue ); |
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109 CHnExtBmpIconHolder *newIconHolder = new (ELeave) CHnExtBmpIconHolder(); |
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110 newIconHolder->SetGulIcon( newIcon , aExtBmp, aExtMask ); |
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111 CleanupStack::Pop( newIcon ); |
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112 |
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113 if ( iIconHolder ) |
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114 { |
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115 iIconHolder->Close(); |
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116 } |
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117 iIconHolder = newIconHolder; |
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118 } |
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119 |
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120 // --------------------------------------------------------------------------- |
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121 // |
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122 // --------------------------------------------------------------------------- |
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123 // |
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124 EXPORT_C CHnAttrImgProvLiwImage* CHnAttrImgProvLiwImage::NewL( |
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125 TLiwVariant*& aBitmap, TLiwVariant*& aMaskBitmap ) |
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126 { |
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127 CHnAttrImgProvLiwImage* self = NewLC( aBitmap, aMaskBitmap ); |
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128 CleanupStack::Pop( self ); |
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129 return self; |
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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 // |
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136 EXPORT_C CHnAttrImgProvLiwImage* CHnAttrImgProvLiwImage::NewLC( |
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137 TLiwVariant*& aBitmap, TLiwVariant*& aMaskBitmap ) |
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138 { |
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139 CHnAttrImgProvLiwImage* self = new( ELeave ) CHnAttrImgProvLiwImage; |
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140 CleanupStack::PushL( self ); |
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141 self->ConstructL( aBitmap, aMaskBitmap ); |
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142 return self; |
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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 // --------------------------------------------------------------------------- |
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148 // |
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149 CHnAttrImgProvLiwImage::~CHnAttrImgProvLiwImage() |
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150 { |
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151 } |
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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 // |
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157 void CHnAttrImgProvLiwImage::RemoveLiwObjects() |
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158 { |
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159 if ( iIconHolder ) |
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160 { |
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161 iIconHolder->Close(); |
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162 iIconHolder = NULL; |
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163 } |
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164 } |
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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 // |
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170 const TDesC8& CHnAttrImgProvLiwImage::Value( ) |
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171 { |
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172 return iValue; |
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173 } |
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174 |
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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 CFbsBitmap* CHnAttrImgProvLiwImage::CreateBitmapFromVariantL( |
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180 const TLiwVariant& aVariant ) |
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181 { |
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182 CFbsBitmap* bitmap( NULL ); |
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183 TInt handle = 0; |
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184 |
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185 if ( ExtractBitmapHandleFromVariant( aVariant, handle ) == KErrNone ) |
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186 { |
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187 CFbsBitmap* tempBitmap = new( ELeave ) CFbsBitmap; |
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188 if ( tempBitmap->Duplicate( handle ) == KErrNone ) |
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189 { |
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190 bitmap = tempBitmap; |
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191 } |
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192 else |
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193 { |
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194 delete tempBitmap; |
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195 } |
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196 } |
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197 else if ( aVariant.TypeId() == LIW::EVariantTypeDesC8 ) |
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198 { |
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199 CFbsBitmap* tempBitmap = new ( ELeave ) CFbsBitmap; |
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200 CleanupStack::PushL( tempBitmap ); |
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201 TPtrC8 buf = aVariant.AsData(); |
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202 RDesReadStream stream( buf ); |
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203 CleanupClosePushL( stream ); |
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204 tempBitmap->InternalizeL( stream ); |
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205 CleanupStack::PopAndDestroy( &stream ); |
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206 CleanupStack::Pop( tempBitmap ); |
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207 bitmap = tempBitmap; |
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208 } |
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209 return bitmap; |
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210 } |
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211 |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 // --------------------------------------------------------------------------- |
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215 // |
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216 TInt CHnAttrImgProvLiwImage::ExtractBitmapHandleFromVariant( |
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217 const TLiwVariant& aVariant, TInt& aHandle ) |
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218 { |
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219 TInt err = KErrNone; |
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220 switch ( aVariant.TypeId() ) |
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221 { |
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222 case LIW::EVariantTypeTInt32: |
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223 aHandle = static_cast<TInt>( aVariant.AsTInt32() ); |
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224 break; |
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225 case LIW::EVariantTypeTUint: |
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226 aHandle = static_cast<TInt>( aVariant.AsTUint() ); |
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227 break; |
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228 case LIW::EVariantTypeTInt64: |
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229 aHandle = static_cast<TInt>( aVariant.AsTInt64() ); |
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230 break; |
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231 case LIW::EVariantTypeTBool: |
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232 // Putting a TInt into a TLiwVariant will result in the variant |
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233 // storing a TBool variable. CFbsBitmap::Handle() returns TInt, so |
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234 // we can assume that the TBool stored in aVariant is in fact TInt. |
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235 aHandle = static_cast<TInt>( aVariant.AsTBool() ); |
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236 break; |
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237 default: |
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238 err = KErrNotFound; |
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239 } |
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240 return err; |
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241 } |