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1 /* |
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2 * Copyright (c) 2010 Kanrikogaku Kenkyusho, Ltd. |
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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 the License "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 * Kanrikogaku Kenkyusho, Ltd. - Initial contribution |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * {Description of the file} |
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16 * |
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17 */ |
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18 |
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19 // Protection against nested includes |
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20 #ifndef __DIRECTPRINTPREVIEWCONTROL_H__ |
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21 #define __DIRECTPRINTPREVIEWCONTROL_H__ |
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22 |
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23 // System includes |
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24 #include <eikbctrl.h> |
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25 #include <prnprev.h> |
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26 |
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27 // Forward declarations |
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28 class CPrintSetup; |
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29 class TPrintPreviewFormat; |
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30 class MPageRegionPrinter; |
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31 class MPrintProcessObserver; |
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32 |
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33 // Class declaration |
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34 /** |
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35 * Preview control class |
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36 * more_complete_description |
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37 */ |
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38 class CDirectPrintPreviewControl : public CEikBorderedControl |
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39 , public MCoeControlObserver |
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40 { |
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41 public: |
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42 // Data types |
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43 /** The index of zoom level */ |
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44 enum TPreviewZoomLevel |
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45 { |
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46 EPreviewZoomLevel1, // display into view area |
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47 EPreviewZoomLevel2, |
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48 EPreviewZoomLevel3, |
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49 EPreviewZoomLevel4, |
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50 EPreviewZoomLevel5, |
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51 EPreviewZoomLevelMax |
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52 }; |
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53 |
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54 public: |
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55 /** Constructors */ |
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56 static CDirectPrintPreviewControl* NewL(const CCoeControl* aParent); |
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57 static CDirectPrintPreviewControl* NewLC(const CCoeControl* aParent); |
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58 /** Destructor */ |
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59 virtual ~CDirectPrintPreviewControl(); |
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60 |
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61 public: |
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62 /** |
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63 * Set observer. |
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64 * |
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65 * @param aObserver Pointer to observer. |
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66 */ |
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67 void SetPreviewImageObserver(MPrintProcessObserver* aObserver); |
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68 |
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69 /** |
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70 * Initialize display format. |
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71 * |
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72 * @param aPrintSetup Setup information. |
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73 * @param aBodyPrinter Body printer. |
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74 * @param aFormat Display format information. |
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75 * @param aNumPagesInDoc Number of all pages. |
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76 * @param aFirstPageToDisplay Page number of first display. |
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77 * @param aNumPagesToView Number of pages to view. |
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78 * @param aMarginState Margin information. |
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79 */ |
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80 void InitializeFormat( CPrintSetup& aPrintSetup, |
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81 MPageRegionPrinter& aBodyPrinter, |
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82 TPrintPreviewFormat& aFormat, |
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83 TInt& aNumPagesInDoc, |
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84 TInt& aFirstPageToDisplay, |
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85 TInt aNumPagesToView, |
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86 CPrintPreviewImage::TMarginState& aMarginState); |
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87 /** |
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88 * Set display format. |
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89 * |
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90 * @param aFirstPageToDisplay Page number of first display. |
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91 * @param aNumPagesToView Count of pages to view. |
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92 */ |
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93 void SetFormatAndDrawL(TInt& aFirstPageToDisplay,TInt& aNumPagesToView); |
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94 /** |
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95 * Set margin. |
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96 * |
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97 * @param aMarginState Margin information. |
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98 */ |
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99 void SetMarginAndDrawL(CPrintPreviewImage::TMarginState aMarginState); |
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100 /** |
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101 * Set number of bands. |
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102 * |
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103 * @param aNumBands Number of bands. |
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104 */ |
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105 void SetNumBands(TInt aNumBands); |
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106 /** |
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107 * Set page number. |
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108 * |
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109 * @param aNumPagesInDoc Number of all pages. |
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110 * @param aFirstPageToDisplay Page number of first display. |
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111 * @param aNumPagesToView Number of pages to view. |
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112 */ |
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113 void SetNumPagesInDoc(TInt aNumPagesInDoc,TInt aFirstPageToDisplay,TInt aNumPagesToView); |
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114 |
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115 public: // from CCoeControl |
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116 /** |
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117 * From CCoeControl. |
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118 * Activate. |
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119 */ |
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120 void ActivateL(); |
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121 /** |
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122 * From CCoeControl. |
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123 * Draw display. |
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124 * |
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125 * @param aRect Rect to draw. |
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126 */ |
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127 void Draw(const TRect& aRect) const; |
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128 |
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129 /** |
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130 * From CCoeControl. |
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131 * Handles key events. |
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132 * |
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133 * @param aKeyEvent The code of key event. |
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134 * @param aType The code of event. |
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135 * @return The code of key response. |
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136 */ |
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137 TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType); |
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138 /** |
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139 * From CCoeControl. |
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140 * Constructor. |
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141 * |
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142 * @param aReader ResourceReader. |
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143 */ |
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144 // void ConstructFromResourceL(TResourceReader& aReader); |
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145 /** |
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146 * Set flag. |
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147 * |
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148 * @param aDraw Draw flag. |
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149 */ |
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150 void SetDrawFlag(TBool aDraw); |
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151 /** |
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152 * Get flag. |
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153 * |
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154 * @return Draw flag. |
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155 */ |
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156 TBool DrawFlag(); |
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157 /** |
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158 * From CCoeControl. |
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159 * Get input capabilities. |
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160 * |
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161 * @return Input capabilities. |
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162 */ |
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163 TCoeInputCapabilities InputCapabilities() const; |
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164 |
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165 // for zoom |
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166 /** |
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167 * Set zoom level. |
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168 * |
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169 * @param aZoomLevel Zoom level. |
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170 */ |
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171 void SetZoomLevel(TInt aZoomLevel); |
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172 /** |
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173 * Get zoom level. |
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174 * |
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175 * @return Zoom level. |
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176 */ |
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177 TInt GetZoomLebel(); |
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178 /** |
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179 * Increment zoom level. |
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180 */ |
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181 void IncrementZoomLevel(); |
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182 /** |
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183 * Decrement zoom level. |
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184 */ |
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185 void DecrementZoomLevel(); |
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186 |
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187 protected: // from CCoeControl |
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188 void SizeChanged(); |
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189 TInt CountComponentControls() const; |
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190 CCoeControl* ComponentControl(TInt aIndex) const; |
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191 |
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192 void WriteInternalStateL(RWriteStream& aWriteStream) const; |
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193 |
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194 /** |
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195 * From CoeControl, HandlePointerEventL. |
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196 * Called by framework when a pointer touch event occurs. |
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197 * Note: although this method is compatible with earlier SDKs, |
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198 * it will not be called in SDKs without Touch support. |
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199 * @param aPointerEvent the information about this event |
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200 */ |
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201 virtual void HandlePointerEventL(const TPointerEvent& aPointerEvent); |
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202 |
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203 private: // from CCoeControl |
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204 // void SetContainerWindowL(const CCoeControl& aParent); |
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205 |
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206 private: // from MCoeControlObserver |
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207 void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEvent); |
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208 |
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209 private: |
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210 CDirectPrintPreviewControl(); |
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211 void ConstructL(const CCoeControl* aParent); |
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212 |
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213 private: |
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214 void CreateScrollButtonsL(); |
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215 void DrawPreview(const TRect& aRect); |
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216 void SwitchFirstPageToDisplayL(TInt& aNewFirstPageToDisplay); |
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217 void DrawButtons() const; |
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218 void SetZoomLevelAndDispalyRect(TInt aZoomLevel); |
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219 void CreatePreviewImageL(); |
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220 |
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221 private: |
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222 /** Pointer to button controls. */ |
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223 // CEikScrollButton* iButton[2]; |
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224 /** Pointer to image. */ |
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225 CPrintPreviewImage* iPreview; |
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226 /** Pointer to setup information. */ |
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227 CPrintSetup* iPrintSetup; |
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228 /** Pointer to body printer. */ |
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229 MPageRegionPrinter* iBodyPrinter; |
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230 /** Pointer to format information. */ |
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231 TPrintPreviewFormat* iPrintPreviewFormat; |
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232 /** Pointer to page number. */ |
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233 TInt* iFirstPageToDisplay; |
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234 /** Number of all pages. */ |
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235 TInt iNumPagesInDoc; |
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236 /** Number of pages to view. */ |
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237 TInt iNumPagesToView; |
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238 /** Number of bands. */ |
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239 TInt iNumBands; |
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240 /** Margin information. */ |
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241 CPrintPreviewImage::TMarginState iMarginState; |
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242 /** Display rect. */ |
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243 TRect iDisplayRect; |
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244 /** Draw flag. */ |
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245 TBool iPreviewDraw; |
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246 /** Display point. */ |
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247 TPoint iDisplayPoint; |
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248 /** Position of pointer. */ |
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249 TPoint iPointerDownPos; |
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250 /** Zoom level. */ |
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251 TInt iZoomLevel; // set TPreviewZoomLevel |
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252 }; |
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253 |
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254 #endif // __DIRECTPRINTPREVIEWCONTROL_H__ |