1 /* |
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2 * Copyright (c) 2006-2007 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: ÑMnrpMapImageService class implementation |
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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 <e32base.h> |
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20 #include <e32math.h> |
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21 #include <e32property.h> |
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22 #include <eikenv.h> |
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23 #include <gdi.h> |
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24 |
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25 #include <lbsposition.h> |
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26 |
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27 #include <EPos_CPosLandmark.h> |
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28 #include <epos_poslandmarkserialization.h> |
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29 |
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30 #include <mnmapimage.h> |
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31 #include <mnmapimageparams.h> |
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32 #include <mnmapimageservicebase.h> |
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33 |
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34 #include "debug.h" |
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35 #include "mnrpengine.h" |
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36 #include "mnrpappuiback.h" |
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37 #include "mnrpappserverback.h" |
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38 #include "mnrpmapmodel.h" |
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39 #include "mnrpmapimageservice.h" |
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40 |
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41 const TInt KTextFontHeightInTwips = 100; |
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42 const TInt KItemFontHeightInTwips = 120; |
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43 |
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44 const TTimeIntervalMicroSeconds32 KProcessingDelay = 200 * 1000; |
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45 |
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46 // ======== LOCAL FUNCTIONS ======== |
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47 |
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48 extern void CoordinateToString( TReal aCoord, TDes& aStr ); |
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49 |
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50 // ======== MEMBER FUNCTIONS ======== |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // --------------------------------------------------------------------------- |
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54 // |
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55 CMnrpMapImageService* CMnrpMapImageService::NewL( CMnrpEngine& aEngine ) |
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56 { |
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57 CMnrpMapImageService* self = new (ELeave) CMnrpMapImageService( aEngine ); |
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58 CleanupStack::PushL( self ); |
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59 self->ConstructL(); |
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60 CleanupStack::Pop( self ); |
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61 return self; |
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62 } |
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63 |
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64 // --------------------------------------------------------------------------- |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CMnrpMapImageService::CMnrpMapImageService( CMnrpEngine& aEngine ) |
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68 : iEngine( aEngine ) |
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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 CMnrpMapImageService::~CMnrpMapImageService() |
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76 { |
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77 if ( iProcessor ) |
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78 { |
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79 iProcessor->Cancel(); |
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80 delete iProcessor; |
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81 } |
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82 delete iModel; |
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83 DestroyFonts(); |
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84 } |
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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 void CMnrpMapImageService::ConstructL() |
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90 { |
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91 BaseConstructL(); |
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92 |
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93 iEikon = CEikonEnv::Static(); |
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94 CreateFonts(); |
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95 |
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96 iModel = CMnrpMapModel::NewL( iEngine ); |
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97 iProcessor = CPeriodic::NewL( CActive::EPriorityIdle ); |
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98 } |
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99 |
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100 // --------------------------------------------------------------------------- |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 void CMnrpMapImageService::LeaveIfBusyL() |
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104 { |
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105 if ( iProcessor->IsActive() ) |
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106 { |
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107 LOG("CMnRefProviderMapViewService::LeaveIfBusyL BUSY"); |
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108 User::Leave( KErrInUse ); |
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109 } |
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110 } |
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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 void CMnrpMapImageService::StartProcessingL() |
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116 { |
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117 iProcessor->Start( KProcessingDelay, KProcessingDelay, |
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118 TCallBack( CMnrpMapImageService::MapImageProcessingCallBack, this ) ); |
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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 TInt CMnrpMapImageService::MapImageProcessingCallBack( TAny* aPtr ) |
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125 { |
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126 CMnrpMapImageService* self = |
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127 static_cast<CMnrpMapImageService*> ( aPtr ); |
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128 |
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129 TRAP_IGNORE( self->HandleMapImageCompletedL() ); |
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130 return EFalse; |
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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 void CMnrpMapImageService::HandleMapImageCompletedL() |
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137 { |
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138 iProcessor->Cancel(); |
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139 TInt err = KErrNone; |
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140 TRAP( err, FinishProcessingL() ); |
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141 if ( err ) |
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142 { |
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143 CompleteRequest( err ); |
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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 // |
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150 void CMnrpMapImageService::RenderL() |
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151 { |
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152 TMnMapImageParams& params = MapImageParams(); |
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153 |
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154 if ( params.Direction() != 0 || |
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155 params.ImageType() != TMnMapImageParams::ETypeVectorMap ) |
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156 { |
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157 User::Leave( KErrNotSupported ); |
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158 } |
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159 |
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160 CFbsBitmap& bitmap = TargetBitmap(); |
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161 |
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162 iModel->SetScreenSize( params.Size() ); |
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163 iModel->UpdateModelL( *this ); |
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164 iModel->RenderL( bitmap, TRect( params.Size() ), iTextFont, iItemFont ); |
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165 |
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166 // complete request |
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167 params.SetProjectionId(0); |
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168 } |
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169 |
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170 // ----------------------------------------------------------------------------- |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 void CMnrpMapImageService::CreateFonts() |
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174 { |
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175 CGraphicsDevice* screenDevice = iEikon->ScreenDevice(); |
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176 |
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177 const CFont* denseFont = iEikon->DenseFont(); |
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178 TFontSpec fs = denseFont->FontSpecInTwips(); |
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179 |
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180 fs.iHeight = KTextFontHeightInTwips; |
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181 screenDevice->GetNearestFontInTwips( iTextFont, fs ); |
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182 |
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183 fs.iHeight = KItemFontHeightInTwips; |
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184 screenDevice->GetNearestFontInTwips( iItemFont, fs ); |
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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 // |
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190 void CMnrpMapImageService::DestroyFonts() |
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191 { |
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192 CGraphicsDevice* screenDevice = iEikon->ScreenDevice(); |
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193 |
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194 screenDevice->ReleaseFont( iItemFont ); |
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195 screenDevice->ReleaseFont( iTextFont ); |
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196 } |
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197 |
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198 // --------------------------------------------------------------------------- |
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199 // --------------------------------------------------------------------------- |
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200 // |
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201 void CMnrpMapImageService::FinishProcessingL() |
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202 { |
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203 LOG1("FinishProcessingL in, cursvc %d", iCurrentService); |
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204 TCoordinate coord; |
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205 switch ( iCurrentService ) |
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206 { |
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207 case ERender: |
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208 { |
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209 RenderL(); |
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210 } |
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211 break; |
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212 |
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213 default: |
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214 User::Leave( KErrGeneral ); |
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215 } |
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216 |
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217 iCurrentService = ENone; |
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218 CompleteRendering(); |
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219 LOG("FinishProcessingL out"); |
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220 } |
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221 |
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222 // --------------------------------------------------------------------------- |
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223 // From class CMnMapImageServiceBase |
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224 // --------------------------------------------------------------------------- |
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225 // |
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226 void CMnrpMapImageService::HandleRenderingL() |
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227 { |
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228 LeaveIfBusyL(); |
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229 |
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230 iCurrentService = ERender; |
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231 StartProcessingL(); |
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232 } |
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233 |
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234 // --------------------------------------------------------------------------- |
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235 // From class CMnServiceBase |
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236 // --------------------------------------------------------------------------- |
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237 // |
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238 void CMnrpMapImageService::DoCancel() |
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239 { |
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240 iProcessor->Cancel(); |
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241 iCurrentService = ENone; |
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242 } |
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243 |
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