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1 /* |
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2 * Copyright (c) 2005 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: This file implements a control which displays svg files using |
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15 * renderframes engine api, used by Screen Saver application |
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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 <eikenv.h> |
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21 #include <eikappui.h> |
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22 #include <gdi.h> |
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23 #include <AknUtils.h> |
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24 #include <SVGEngineInterfaceImpl.h> |
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25 #include <SVGTUIDialog.hrh> |
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26 #include <SVGTAppObserver.h> |
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27 #include <flogger.h> |
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28 |
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29 #include "SvgRenderFrameControl.h" |
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30 #include "SvgRenderFrameTimer.h" |
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31 |
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32 const TUint KConvertToMicroSecond = 1000; |
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33 const TInt KMilliSecondsBetweenFrame = 50; |
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34 |
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35 // Font Ids for use with Engine-Init |
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36 const TInt KApacFontId = EApacPlain16; |
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37 const TInt KLatintFontId = ELatinBold12; |
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38 |
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39 // Duration const returned by engine when indefinite animations are present |
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40 const TUint KIndefiniteDur = 0xffffffff; |
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41 |
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42 #ifdef _DEBUG |
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43 _LIT( KFileLoggingDir, "ScreenSaver" ); |
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44 _LIT( KFileLog, "FromSvgPlugin.txt" ); |
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45 #endif |
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46 |
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47 // ============================ MEMBER FUNCTIONS =============================== |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // CSvgRenderFrameControl::NewL |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 CSvgRenderFrameControl* CSvgRenderFrameControl::NewL( |
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54 const CCoeControl* aParent, |
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55 RFile& aFileHandle , |
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56 MSvgtAppObserver* aObserver ) |
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57 { |
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58 CSvgRenderFrameControl* self = CSvgRenderFrameControl::NewLC( aParent, |
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59 aFileHandle, |
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60 aObserver ); |
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61 CleanupStack::Pop( self ); |
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62 return self; |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CSvgRenderFrameControl::NewL |
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67 // ----------------------------------------------------------------------------- |
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68 // |
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69 CSvgRenderFrameControl* CSvgRenderFrameControl::NewLC( |
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70 const CCoeControl* aParent, |
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71 RFile& aFileHandle , |
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72 MSvgtAppObserver* aObserver ) |
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73 { |
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74 CSvgRenderFrameControl* self = new (ELeave) CSvgRenderFrameControl( |
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75 aFileHandle, aObserver ); |
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76 CleanupStack::PushL( self ); |
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77 self->ConstructL( aParent ); |
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78 return self; |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CSvgRenderFrameControl::~CSvgRenderFrameControl |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 CSvgRenderFrameControl::~CSvgRenderFrameControl() |
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86 { |
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87 DeleteEngine(); |
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88 delete iBmap; |
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89 delete iRenderFrameTimer; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CSvgRenderFrameControl::SizeChanged |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 void CSvgRenderFrameControl::SizeChanged() |
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97 { |
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98 iRect = iParent->Rect(); |
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99 |
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100 } |
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101 // ----------------------------------------------------------------------------- |
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102 // CSvgRenderFrameControl::UpdateScreen |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 void CSvgRenderFrameControl::UpdateScreen() |
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106 { |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // CSvgRenderFrameControl::ScriptCall |
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111 // ----------------------------------------------------------------------------- |
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112 // |
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113 TBool CSvgRenderFrameControl::ScriptCall( const TDesC& /*aScript*/, |
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114 CSvgElementImpl* /*aCallerElement*/ ) |
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115 { |
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116 return ETrue; |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 // CSvgRenderFrameControl::FetchImage |
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121 // ----------------------------------------------------------------------------- |
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122 // |
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123 TInt CSvgRenderFrameControl::FetchImage( const TDesC& aUri, RFs& aSession, |
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124 RFile& aFileHandle ) |
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125 { |
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126 if ( iAppObserver ) |
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127 { |
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128 return iAppObserver->FetchImage( aUri, aSession, aFileHandle ); |
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129 } |
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130 else |
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131 { |
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132 return KErrNotFound; |
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133 } |
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134 |
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135 } |
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136 |
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137 TInt CSvgRenderFrameControl::FetchFont( const TDesC& /* aUri */, |
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138 RFs& /* aSession */, RFile& /* aFileHandle */ ) |
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139 { |
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140 return KErrNotSupported; |
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141 } |
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142 // ----------------------------------------------------------------------------- |
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143 // CSvgRenderFrameControl::GetSmilFitValue |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 void CSvgRenderFrameControl::GetSmilFitValue(TDes& /*aSmilValue*/) |
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147 { |
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148 } |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // CSvgRenderFrameControl::UpdatePresentation |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 void CSvgRenderFrameControl::UpdatePresentation( const TInt32& |
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155 /*aNoOfAnimation*/ ) |
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156 { |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CSvgRenderFrameControl::Draw |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 void CSvgRenderFrameControl::Draw(const TRect& /*aRect*/) const |
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164 { |
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165 |
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166 // Calculate rectangle for the whole bitmap |
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167 TRect bmpPieceRect(TPoint(0,0), iRect.Size() ); |
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168 |
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169 // Get the standard graphics context |
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170 CWindowGc& gc = SystemGc(); |
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171 |
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172 gc.SetBrushColor(CGraphicsContext::ENullBrush ); |
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173 gc.SetPenColor( CGraphicsContext::ENullPen ); |
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174 |
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175 gc.BitBlt( TPoint(0,0),iBitmapFrames[iCurrentFrame], |
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176 bmpPieceRect ); |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CSvgRenderFrameControl::SetTimer |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 void CSvgRenderFrameControl::SetTimer() |
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184 { |
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185 if ( !iRenderFrameTimer ) |
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186 { |
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187 TRAP_IGNORE( iRenderFrameTimer = |
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188 CSvgRenderFrameTimer::NewL( this ) ); |
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189 } |
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190 if ( iCanPlay ) |
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191 { |
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192 // Since the number of delay intervals is one less than |
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193 // the number of bitmaps need to have a bound check |
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194 iRenderFrameTimer->SetTimeOut( iDelayIntervals[ |
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195 iCurrentFrame >= iDelayIntervals.Count() ? 0 : iCurrentFrame] |
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196 * KConvertToMicroSecond ); |
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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 // CSvgRenderFrameControl::CancelTimer |
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202 // ----------------------------------------------------------------------------- |
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203 // |
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204 void CSvgRenderFrameControl::CancelTimer() |
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205 { |
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206 if (iRenderFrameTimer) |
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207 { |
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208 iRenderFrameTimer->Cancel(); |
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209 delete iRenderFrameTimer; |
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210 iRenderFrameTimer = NULL; |
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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 // CSvgRenderFrameControl::ProcessViewerCommandL |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 void CSvgRenderFrameControl::ProcessViewerCommandL( TInt aCommandId ) |
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219 { |
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220 if ( aCommandId == ESvgtDlgPlayCommand ) |
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221 { |
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222 _LIT(msg1, "start event " ); |
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223 PrintDebugMsg( msg1 ); |
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224 iCanPlay = ETrue; |
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225 SetTimer(); |
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226 } |
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227 if ( aCommandId == ESvgtDlgPauseCommand ) |
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228 { |
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229 _LIT(msg1, "end event " ); |
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230 PrintDebugMsg( msg1 ); |
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231 iCanPlay = EFalse; |
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232 CancelTimer(); |
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233 } |
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234 } |
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235 |
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236 // ----------------------------------------------------------------------------- |
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237 // CSvgRenderFrameControl::GetCurrentIndex |
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238 // ----------------------------------------------------------------------------- |
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239 // |
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240 TInt CSvgRenderFrameControl::GetCurrentIndex() const |
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241 { |
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242 return iCurrentFrame; |
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243 } |
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244 |
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245 // ----------------------------------------------------------------------------- |
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246 // CSvgRenderFrameControl::SetCurrentIndex |
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247 // ----------------------------------------------------------------------------- |
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248 // |
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249 void CSvgRenderFrameControl::SetCurrentIndex( TInt aIndex ) |
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250 { |
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251 iCurrentFrame = aIndex; |
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252 } |
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253 |
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254 // ----------------------------------------------------------------------------- |
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255 // CSvgRenderFrameControl::AnimationTimeOut |
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256 // ----------------------------------------------------------------------------- |
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257 // |
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258 void CSvgRenderFrameControl::AnimationTimeOut() |
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259 { |
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260 DrawNow(); |
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261 SetTimer(); |
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262 MoveIndex(); |
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263 } |
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264 |
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265 // ----------------------------------------------------------------------------- |
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266 // CSvgRenderFrameControl::InitializeEngineL |
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267 // ----------------------------------------------------------------------------- |
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268 // |
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269 void CSvgRenderFrameControl::InitializeEngineL( TBool aCheckFile, |
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270 MSvgRequestObserver* aObserver ) |
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271 { |
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272 |
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273 iBmap = new ( ELeave ) CFbsBitmap(); |
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274 TSize dummyScreenSize( 10,10 ); |
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275 iBmap->Create( dummyScreenSize, EColor16MU ); |
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276 |
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277 if ( !iSvgEngine ) |
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278 { |
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279 TInt fontId = KLatintFontId; |
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280 |
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281 switch ( AknLayoutUtils::Variant() ) |
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282 { |
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283 case EApacVariant: |
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284 { |
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285 fontId = KApacFontId; |
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286 } |
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287 break; |
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288 case EEuropeanVariant: |
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289 default: |
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290 break; |
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291 } |
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292 const CFont* font = AknLayoutUtils::FontFromId( fontId ); |
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293 TFontSpec spec = font->FontSpecInTwips(); |
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294 |
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295 iSvgEngine = CSvgEngineInterfaceImpl::NewL( iBmap, |
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296 aObserver, |
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297 spec ); |
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298 |
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299 if ( iSvgEngine && !iSvgDom ) |
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300 { |
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301 if ( aCheckFile ) |
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302 { |
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303 /* Set Thumbnail Mode if check file mode |
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304 * so that the rights wont be consumed |
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305 */ |
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306 iSvgEngine->SetThumbNailMode( ETrue ); |
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307 } |
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308 |
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309 MSvgError* parseResult = iSvgEngine->PrepareDom( *iFileHandle, |
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310 iSvgDom ); |
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311 |
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312 if ( aCheckFile ) |
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313 { |
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314 /* Reset Thumbnail Mode */ |
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315 iSvgEngine->SetThumbNailMode( EFalse ); |
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316 } |
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317 |
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318 if ( parseResult && |
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319 parseResult->HasError() && |
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320 !parseResult->IsWarning() ) |
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321 { |
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322 if ( parseResult->HasError() == ESvgNoMemory ) |
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323 { |
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324 User::Leave( KErrNoMemory ); |
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325 } |
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326 else |
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327 { |
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328 User::Leave( KErrGeneral ); |
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329 } |
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330 } |
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331 if ( !aCheckFile ) |
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332 { |
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333 MSvgError* pResult = iSvgEngine->UseDom( iSvgDom, iBmap ); |
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334 if ( pResult->HasError() && !pResult->IsWarning() ) |
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335 { |
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336 User::Leave( KErrGeneral ); |
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337 } |
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338 } |
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339 } |
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340 else |
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341 { |
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342 User::Leave( KErrGeneral ); |
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343 } |
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344 } |
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345 else |
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346 { |
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347 User::Leave( KErrGeneral ); |
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348 } |
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349 return; |
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350 |
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351 } |
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352 |
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353 // ----------------------------------------------------------------------------- |
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354 // CSvgRenderFrameControl::DeleteEngine |
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355 // ----------------------------------------------------------------------------- |
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356 // |
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357 void CSvgRenderFrameControl::DeleteEngine() |
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358 { |
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359 for ( TInt i = 0; i < iBitmapFrames.Count(); i++ ) |
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360 { |
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361 delete iBitmapFrames[i]; |
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362 } |
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363 |
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364 for ( TInt i = 0; i < iMaskFrames.Count(); i++ ) |
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365 { |
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366 delete iMaskFrames[i]; |
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367 } |
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368 |
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369 iBitmapFrames.Reset(); |
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370 iMaskFrames.Reset(); |
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371 iDelayIntervals.Reset(); |
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372 |
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373 iBitmapFrames.Close(); |
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374 iMaskFrames.Close(); |
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375 iDelayIntervals.Close(); |
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376 |
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377 iCurrentFrame = 0; |
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378 iDuration = 0; |
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379 |
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380 if ( iSvgDom ) |
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381 { |
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382 iSvgEngine->DeleteDom( iSvgDom ); |
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383 iSvgDom = 0; |
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384 } |
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385 delete iSvgEngine; |
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386 iSvgEngine = NULL; |
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387 |
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388 } |
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389 |
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390 // ----------------------------------------------------------------------------- |
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391 // CSvgRenderFrameControl::RenderMyFrames |
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392 // ----------------------------------------------------------------------------- |
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393 // |
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394 TInt CSvgRenderFrameControl::RenderMyFrames() |
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395 { |
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396 |
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397 TUint interval = iSvgEngine->Duration(); |
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398 |
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399 if ( interval == KIndefiniteDur || interval > KMaxTimeDuration ) |
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400 { |
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401 // Infinite content |
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402 // Dont try to handle using Render Frames |
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403 // return Error |
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404 return KErrGeneral; |
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405 } |
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406 |
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407 |
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408 |
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409 MSvgError* result = iSvgEngine->RenderFrames( |
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410 iSvgDom, |
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411 iRect.Size(), |
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412 0, |
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413 interval, |
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414 KMilliSecondsBetweenFrame, |
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415 EColor64K, EGray2, |
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416 iBitmapFrames, |
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417 iMaskFrames, |
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418 iDelayIntervals, |
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419 ETrue /*Remove redundant frames*/ ); |
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420 |
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421 |
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422 if ( result->HasError() && !result->IsWarning() ) |
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423 { |
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424 return KErrGeneral; |
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425 } |
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426 else |
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427 { |
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428 return KErrNone; |
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429 } |
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430 } |
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431 |
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432 |
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433 // ----------------------------------------------------------------------------- |
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434 // CSvgRenderFrameControl::MoveIndex |
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435 // ----------------------------------------------------------------------------- |
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436 // |
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437 void CSvgRenderFrameControl::MoveIndex() |
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438 { |
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439 |
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440 TBuf<64> buffer1; |
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441 _LIT(msg1, "Index is : %d" ); |
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442 buffer1.Format( msg1, iCurrentFrame ); |
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443 PrintDebugMsg( buffer1 ); |
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444 |
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445 iCurrentFrame++; |
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446 if ( iCurrentFrame == iBitmapFrames.Count() ) |
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447 { |
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448 iCurrentFrame = 0; |
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449 } |
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450 } |
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451 |
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452 // ----------------------------------------------------------------------------- |
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453 // CSvgRenderFrameControl::CSvgRenderFrameControl |
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454 // ----------------------------------------------------------------------------- |
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455 // |
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456 CSvgRenderFrameControl::CSvgRenderFrameControl( RFile& aFileHandle, |
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457 MSvgtAppObserver* aObserver ) |
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458 { |
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459 iCurrentFrame = 0; |
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460 iDuration = 0; |
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461 iSvgEngine = NULL; |
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462 iSvgDom = 0; |
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463 iFileHandle = &aFileHandle; |
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464 iCanPlay = EFalse; |
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465 iParent = NULL; |
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466 iAppObserver = aObserver; |
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467 } |
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468 |
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469 // ----------------------------------------------------------------------------- |
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470 // CSvgRenderFrameControl::ConstructL |
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471 // ----------------------------------------------------------------------------- |
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472 // |
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473 void CSvgRenderFrameControl::ConstructL( const CCoeControl* aParent ) |
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474 { |
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475 |
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476 if ( aParent ) |
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477 { |
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478 CreateWindowL(aParent); |
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479 iParent = aParent; |
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480 iRect = aParent->Rect(); |
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481 } |
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482 |
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483 InitializeEngineL( EFalse /*Not checkFile mode*/ , this ); |
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484 |
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485 User::LeaveIfError(RenderMyFrames()); |
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486 |
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487 SetRect( iRect ); |
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488 |
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489 ActivateL(); |
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490 |
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491 } |
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492 |
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493 // ----------------------------------------------------------------------------- |
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494 // CScreenSaverAnimPlugin::PrintDebugMsg |
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495 // ----------------------------------------------------------------------------- |
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496 // |
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497 #ifndef _DEBUG |
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498 void CSvgRenderFrameControl::PrintDebugMsg( const TDesC& /* aMsg */ ) const |
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499 #else |
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500 void CSvgRenderFrameControl::PrintDebugMsg( const TDesC& aMsg ) const |
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501 #endif |
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502 { |
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503 #ifdef _DEBUG |
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504 RFileLogger::Write( KFileLoggingDir, KFileLog, |
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505 EFileLoggingModeAppend, aMsg ); |
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506 #endif |
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507 } |
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508 |
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509 // End Of file. |
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510 |