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1 /* |
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2 * Copyright (c) 2003 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: Main include file for plugin |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef C_CBMPANIMSCRPLUGIN_H |
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21 #define C_CBMPANIMSCRPLUGIN_H |
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22 |
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23 #include <e32base.h> |
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24 #include <fbs.h> |
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25 #include <eikenv.h> |
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26 #include <coecntrl.h> |
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27 #include <coeccntx.h> |
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28 |
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29 #include <ScreensaverpluginIntDef.h> |
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30 |
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31 #include "CBmpAnimModel.h" |
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32 #include "CBmpAnimItem.h" |
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33 #include "CBmpAnimSettings.h" |
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34 |
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35 // The screensaver plugin implementation must inherit from |
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36 // CScreensaverPluginInterfaceDefinition |
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37 class CBmpAnimScrPlugin : public CScreensaverPluginInterfaceDefinition |
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38 { |
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39 enum TPluginState |
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40 { |
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41 EPluginStateLoading = 0, |
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42 EPluginStateInitializing, |
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43 EPluginStateAnimation, |
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44 EPluginStateStoppingAnimation, |
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45 }; |
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46 |
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47 enum TLoadedAnimation |
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48 { |
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49 ENone, |
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50 EPortrait, |
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51 ELandscape, |
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52 EPortraitRotated |
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53 }; |
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54 |
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55 public: |
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56 // Class instance creation |
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57 static CBmpAnimScrPlugin* NewL(); |
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58 |
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59 private: |
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60 // Construction |
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61 CBmpAnimScrPlugin(); |
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62 |
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63 public: |
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64 // Destruction |
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65 ~CBmpAnimScrPlugin(); |
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66 |
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67 public: // from MScreensaverPlugin |
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68 TInt InitializeL(MScreensaverPluginHost *aHost); |
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69 TInt Draw(CWindowGc& aGc); |
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70 const TDesC16& Name() const; |
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71 TInt HandleScreensaverEventL(TScreensaverEvent aEvent, TAny* aData); |
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72 TInt Capabilities(); |
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73 TInt PluginFunction(TScPluginCaps aFunction, TAny* aParam); |
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74 |
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75 private: |
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76 // Draws centered items |
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77 void DrawCentered(CWindowGc& aGc, CBmpAnimItem* aItem); |
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78 |
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79 // Loads the animation into the model |
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80 void LoadAnimationL(TBool aLandscape = EFalse, TBool aRotate = EFalse); |
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81 |
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82 // Re-loads the animation when display changes, if needed |
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83 void ReloadAnimationL(); |
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84 |
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85 // Starts the display timer |
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86 void StartDisplayTimer(); |
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87 |
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88 // Stops the display timer |
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89 void StopDisplayTimer(); |
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90 |
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91 // Display timer callback |
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92 static TInt DisplayTimerCallback(TAny* aPtr); |
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93 |
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94 // Starts the lights timer |
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95 void StartLightsTimer(); |
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96 |
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97 // Stops the lights |
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98 void StopLightsTimer(); |
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99 |
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100 // Lights timer callback |
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101 static TInt LightsTimerCallback(TAny* aPtr); |
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102 |
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103 // Advances the plugin state |
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104 void HandlePluginState(); |
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105 |
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106 // Requests a suitable display mode from host |
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107 void SetDisplayMode(); |
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108 |
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109 void Lights(TInt aSecs); |
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110 |
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111 // Configures the plugin |
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112 TInt ConfigureL(TAny* aParam); |
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113 |
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114 // Sets sizes of bitmaps |
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115 TInt ScaleBitmap(CFbsBitmap* aBmp, TBool aRotate = EFalse); |
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116 |
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117 // Returns ETrue if reload of the animation is needed |
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118 TBool ReloadNeeded(); |
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119 |
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120 // Returns ETrue if display is landscape |
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121 TBool DisplayIsLandscape(); |
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122 |
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123 // Returns ETrue if graphics should be rotated |
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124 TBool RotateNeeded(); |
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125 |
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126 // Returns ETrue if landscape graphics should be loaded |
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127 TBool LoadLandscape(); |
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128 |
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129 // Updates the saved display information |
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130 void UpdateDisplayInfo(); |
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131 |
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132 // Sets bitmap size and rotation (used instead of AknIconUtils function) |
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133 // Actually an "Easy Leaving :)" wrapper around the L-version |
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134 TInt SetSizeAndRotation(CFbsBitmap* aBmp, TSize aSize, TInt aAngle); |
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135 |
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136 // Sets bitmap size and rotation (used instead of AknIconUtils function) |
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137 void SetSizeAndRotationL(CFbsBitmap* aBmp, TSize aSize, TInt aAngle); |
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138 |
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139 // Rotates and scales a source bitmap into target bitmap |
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140 void RotateAndScaleBitmapL( |
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141 const TRect& aTrgRect, |
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142 CFbsBitmap* aTrgBitmap, |
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143 CFbsBitmap* aSrcBitmap, |
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144 TInt aAngle); |
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145 |
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146 private: |
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147 // Plugin host interface |
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148 MScreensaverPluginHost* iHost; |
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149 |
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150 // Plugin state |
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151 TInt iState; |
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152 |
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153 // Needed to retrieve bitmaps from files |
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154 CEikonEnv* iEikEnv; |
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155 |
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156 // Animator model, stores and serves animation items |
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157 CBmpAnimModel* iModel; |
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158 |
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159 // Animator settings. Created and deleted here, but used and managed by |
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160 // the model. Creating here enables retrieving the plugin name |
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161 // in non-plugin-host applications (such as Themes) |
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162 CBmpAnimSettings* iSettings; |
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163 |
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164 // Timer to control how long the animation is displayed |
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165 CPeriodic* iDisplayTimer; |
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166 |
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167 // Flag to control animation stop. Changed from display timer callback |
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168 TInt iStopDisplaying; |
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169 |
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170 TScreensaverDisplayInfo iDi; |
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171 |
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172 TLoadedAnimation iLoadedAnimation; |
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173 }; |
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174 |
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175 |
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176 #endif // C_CBMPANIMSCRPLUGIN_H |
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177 |
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178 // End of file |