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1 /* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 * All rights reserved. |
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3 * This component and the accompanying materials are made available |
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4 * under the terms of "Eclipse Public License v1.0" |
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5 * which accompanies this distribution, and is available |
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6 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 * |
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8 * Initial Contributors: |
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9 * Nokia Corporation - initial contribution. |
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10 * |
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11 * Contributors: |
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12 * |
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13 * Description: Handles & propogates UI state change notifications. |
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14 * |
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15 */ |
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16 |
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17 #ifndef GLXHDMISURFACEUPDATER_H_ |
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18 #define GLXHDMISURFACEUPDATER_H_ |
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19 |
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20 #include <w32std.h> |
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21 #include <fbs.h> |
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22 |
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23 // GCE Surface |
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24 #include "graphics/surfacemanager.h" |
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25 #include "graphics/surface.h" |
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26 #include "graphics/surfaceupdateclient.h" |
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27 #include <graphics/surfaceconfiguration.h> |
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28 |
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29 // forward decleration |
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30 class CGlxActiveCallBack; |
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31 class CGlxHdmiDecoderAO; |
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32 class CImageDecoder; |
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33 class TSurfaceConfiguration; |
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34 class MGlxGenCallback |
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35 { |
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36 public: |
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37 virtual void DoGenCallback() = 0; |
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38 }; |
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39 |
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40 class CGlxHdmiSurfaceUpdater: public CBase |
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41 { |
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42 public: |
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43 /* |
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44 * NewL |
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45 */ |
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46 static CGlxHdmiSurfaceUpdater* NewL(RWindow* aWindow, const TDesC& aImageFile, |
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47 CFbsBitmap* aFsBitmap, MGlxGenCallback* aCallBack); |
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48 |
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49 /* |
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50 * Destructor |
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51 */ |
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52 ~CGlxHdmiSurfaceUpdater(); |
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53 |
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54 public: |
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55 /* |
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56 * This is to cancel the active object from decoding |
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57 */ |
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58 void HandleRunL(TRequestStatus& aStatus); |
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59 |
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60 /* |
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61 * This updates the new image. |
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62 */ |
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63 void UpdateNewImageL(const TDesC& aImageFile,CFbsBitmap* aFsBitmap); |
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64 |
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65 /* |
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66 * Activate Zoom |
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67 */ |
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68 void ActivateZoom(TBool aAutoZoomOut); |
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69 /* |
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70 * Deactivate Zoom |
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71 */ |
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72 void DeactivateZoom(); |
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73 /* |
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74 * Zoom in our out depending on parameter |
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75 */ |
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76 void Zoom(TBool aZoom); |
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77 |
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78 /* |
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79 ShiftToCloningMOde |
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80 */ |
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81 void ShiftToCloningMode(); |
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82 |
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83 /* |
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84 ShiftToPostingMode |
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85 */ |
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86 void ShiftToPostingMode(); |
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87 |
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88 private: |
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89 /* |
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90 * Constructor |
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91 */ |
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92 CGlxHdmiSurfaceUpdater(RWindow* aWindow, MGlxGenCallback* aCallBack); |
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93 |
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94 /* |
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95 * ConstructL() |
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96 */ |
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97 void ConstructL(CFbsBitmap* aFsBitmap,const TDesC& aImageFile); |
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98 |
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99 /* |
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100 * Create a New surface with given size |
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101 */ |
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102 void CreateSurfaceL(); |
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103 /* |
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104 * @param1 size |
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105 */ |
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106 void MapSurfaceL(); |
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107 |
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108 /* |
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109 * This fundtion wont be called , could be used if double buffering is planned in future |
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110 * to start the second decoder AO and update the surface with a new session. |
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111 */ |
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112 static TInt SurfBuffer0Ready(TAny* aObject); |
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113 |
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114 /* |
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115 * Call a refresh on the screen |
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116 */ |
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117 void Refresh(); |
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118 |
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119 /* |
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120 * Dump the buffer on to the surface stride |
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121 */ |
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122 void SwapBuffers(); |
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123 |
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124 /* |
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125 * Release contents |
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126 */ |
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127 void ReleaseContent(); |
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128 |
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129 /* |
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130 * Create bitmap |
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131 */ |
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132 void CreateBitmapL(); |
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133 |
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134 /* |
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135 * Create an image decoder with given file |
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136 * @param1 - Image file |
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137 */ |
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138 void CreateImageDecoderL(); |
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139 |
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140 /* |
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141 * Creating all enablers for HDMI |
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142 * @param1 if creating a surface is required, |
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143 * by default it is not required |
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144 */ |
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145 void CreateHdmiL(TBool aCreateSurface = ETrue); |
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146 |
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147 /* |
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148 * This if for zoom timer timeout |
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149 */ |
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150 static TInt TimeOut(TAny* aSelf); |
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151 |
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152 /* |
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153 * ModifySurface positions of the surface to be displayed on screen |
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154 */ |
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155 void ModifySurfacePostion(); |
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156 |
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157 /* |
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158 * Process the image for TV |
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159 */ |
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160 void ProcessTvImage(); |
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161 |
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162 /* |
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163 * Shows the FS thumbnail first before showing |
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164 * Decoded HD image |
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165 */ |
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166 void ShowFsThumbnailL(); |
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167 |
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168 /* |
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169 * Recalculate the size for png/bmp as decoder fails to |
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170 * decode for desired size |
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171 */ |
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172 TSize ReCalculateSizeL(); |
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173 |
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174 /* |
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175 * If the image format is non jpeg, then we need to calculate as per |
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176 * reduction factor and reduced size as what the decoder is going to return us |
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177 * This function returns if that needs to be done. |
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178 */ |
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179 TBool DoesMimeTypeNeedsRecalculateL(); |
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180 |
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181 /* |
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182 * If the image format is non jpeg, then we need to scale the bitmap after it is |
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183 * decoded, as the return value would not fit the screen |
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184 */ |
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185 void ScaleDecodedBitmapL(TInt aBitmapIndex); |
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186 |
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187 /* |
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188 * InitiateHDMI |
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189 */ |
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190 void InitiateHdmiL(CFbsBitmap* aFsBitmap,const TDesC& aImageFile); |
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191 |
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192 private: |
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193 RWindow* iWindow; // window object |
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194 CFbsBitmap* iFsBitmap; // FS bitmap |
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195 MGlxGenCallback* iCallBack; // callback to the HdmiContainer window |
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196 HBufC* iImagePath; // To store the image uri path |
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197 |
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198 // GCE Surface |
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199 RSurfaceUpdateSession iSurfUpdateSession; |
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200 TSurfaceId iSurfId; // TSurfaceId |
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201 RSurfaceManager* iSurfManager; // RSurfaceManager |
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202 RChunk* iSurfChunk; // RChunk |
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203 TInt iSurfaceStride; // surface stride |
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204 TSurfaceConfiguration iConfig; // surface configuration for zoom |
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205 |
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206 CFbsBitmap* iDecodedBitmap[3]; // Array of Decoded bitmaps of the focussed image |
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207 // 1 - contains FS/Grid Thumbnail, 2- HD image, |
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208 // (optional)3-Scaled png/bmp images |
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209 |
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210 void* iSurfBuffer; // Surface buffer |
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211 CGlxActiveCallBack* iSurfBufferAO; // Surface buffer AO |
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212 |
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213 //ICL |
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214 CGlxHdmiDecoderAO* iGlxDecoderAO; // Internal Image decoder AO |
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215 CImageDecoder* iImageDecoder; // Image Decoder |
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216 RFs iFsSession; // RFs |
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217 |
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218 TPoint iLeftCornerForZoom; // |
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219 CPeriodic* iTimer; // Timer for Zoom |
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220 |
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221 // Various objects to store sizes and count |
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222 TSize iTvScreenSize; // to store the Tv screen size |
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223 TSize iTargetBitmapSize; // To Store the target bitmap size to display(as per Aspect Ratio) |
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224 |
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225 // Various flags to store values |
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226 TBool iZoom; // Is zoomed |
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227 TBool iBitmapReady; // If the bitmap is decoded and ready |
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228 TBool iAutoZoomOut; // If the UI has asked for auto zoomout |
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229 TBool iSurfSessionConnected; // If surface session is connected |
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230 TBool iShiftToCloning; |
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231 TBool iShwFsThumbnail; // If the Fs thumbnail is to be shown before decoding HD images |
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232 TBool iIsNonJpeg; // If the item is non jpeg |
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233 |
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234 #ifdef _DEBUG |
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235 TTime iStartTime; |
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236 TTime iStopTime; |
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237 #endif |
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238 // The bitmap index in the array of bitmaps |
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239 enum { |
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240 EFSBitmapIndex = 0, |
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241 EJpgDecodedBitmapIndex, |
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242 ENonJpgDecodedBitmapIndex |
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243 }; |
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244 }; |
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245 #endif /* GLXHDMISURFACEUPDATER_H_ */ |