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1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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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 "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 * Ixonos Plc |
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14 * |
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15 * Description: |
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16 * Control class for Clipart plugin. |
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17 * |
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18 */ |
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19 |
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20 |
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21 #ifndef IMAGEEDITORCROPCONTROL_H |
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22 #define IMAGEEDITORCROPCONTROL_H |
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23 |
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24 // INCLUDES |
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25 #include <coecntrl.h> |
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26 #include <eiklbo.h> |
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27 #include <coecobs.h> |
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28 #include <ConeResLoader.h> |
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29 |
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30 #include "PreviewControlBase.h" |
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31 #include "MTimerCallBack.h" |
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32 #include "ClipartSelectionDialog.h" |
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33 |
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34 // FORWARD DECLARATIONS |
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35 class CAknView; |
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36 class CFbsBitmap; |
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37 class CPluginInfo; |
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38 class CSystemParameters; |
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39 class CClipartSelectionGrid; |
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40 class CJPTimer; |
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41 class CAknInfoPopupNoteController; |
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42 |
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43 #ifdef RD_TACTILE_FEEDBACK |
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44 class MTouchFeedback; |
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45 #endif /* RD_TACTILE_FEEDBACK */ |
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46 |
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47 /* CLASS: CImageEditorClipartControl |
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48 * |
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49 * CImageEditorClipartControl is a control for clipart insertion plug-in. |
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50 * |
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51 */ |
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52 class CImageEditorClipartControl : public CPreviewControlBase, |
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53 public MCoeControlObserver, |
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54 public MEikListBoxObserver, |
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55 public MTimerCallBack |
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56 |
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57 { |
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58 |
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59 public: |
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60 |
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61 /** @name Methods:*/ |
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62 //@{ |
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63 |
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64 /** NewL factory method, pops cleanupstack |
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65 * |
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66 * @param aRect - control rectangle |
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67 * @param aParent - pointer to window owning control |
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68 * @return pointer to created CImageEditorClipartControl object |
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69 */ |
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70 static CImageEditorClipartControl * NewL ( |
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71 const TRect & aRect, |
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72 CCoeControl * aParent |
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73 ); |
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74 |
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75 /** Destructor |
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76 * |
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77 * @param - |
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78 * @return - |
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79 */ |
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80 virtual ~CImageEditorClipartControl (); |
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81 |
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82 /** Second phase constructor |
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83 * |
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84 * @see CImageEditorControlBase |
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85 * |
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86 */ |
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87 virtual void ConstructL ( |
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88 const TRect & aRect, |
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89 CCoeControl * aParent |
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90 ); |
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91 |
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92 /* Setter for view reference |
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93 * |
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94 * @see CImageEditorControlBase |
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95 * |
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96 */ |
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97 virtual void SetView (CAknView * aView); |
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98 |
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99 /* SetSelectedUiItem |
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100 * |
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101 * @see CImageEditorControlBase |
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102 * |
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103 */ |
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104 virtual void SetSelectedUiItemL (CPluginInfo * aItem); |
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105 |
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106 /** PrepareL |
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107 * |
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108 * @see CImageEditorControlBase |
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109 * |
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110 */ |
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111 virtual void PrepareL (); |
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112 |
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113 /* OfferKeyEventL |
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114 * |
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115 * @see CImageEditorControlBase |
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116 * |
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117 */ |
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118 virtual TKeyResponse OfferKeyEventL ( |
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119 const TKeyEvent & aKeyEvent, |
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120 TEventCode aType |
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121 ); |
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122 |
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123 /* HandlePluginCommandL |
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124 * |
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125 * @see CImageEditorControlBase |
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126 * |
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127 */ |
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128 virtual void HandlePluginCommandL (const TInt aCommand); |
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129 |
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130 /* GetSoftkeyIndexL |
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131 * |
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132 * @see CImageEditorControlBase |
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133 */ |
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134 virtual TInt GetSoftkeyIndexL(); |
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135 |
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136 /* GetContextMenuResourceId |
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137 * |
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138 * @see CImageEditorControlBase |
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139 */ |
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140 virtual TInt GetContextMenuResourceId(); |
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141 |
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142 /* GetDimmedMenuItems |
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143 * |
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144 * @see CImageEditorControlBase |
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145 */ |
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146 virtual TBitField GetDimmedMenuItems(); |
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147 |
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148 /* GetNaviPaneTextL |
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149 * |
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150 * @see CImageEditorControlBase |
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151 */ |
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152 virtual TPtrC GetNaviPaneTextL ( |
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153 TBool& aLeftNaviPaneScrollButtonVisibile, |
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154 TBool& aRightNaviPaneScrollButtonVisible); |
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155 |
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156 /* GetParam |
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157 * |
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158 * Gets pointer to the parameter struct. |
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159 * |
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160 * @param - |
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161 * @return - pointer to MIA parameter struct |
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162 */ |
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163 TDesC & GetParam (); |
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164 |
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165 /* SetSysteParameters |
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166 * |
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167 * Sets reference to system parameters to plug-in. |
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168 * |
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169 * @param aSysPars - System parameters instance |
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170 * @return - |
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171 */ |
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172 void SetSystemParameters (const CSystemParameters * aSysPars); |
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173 |
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174 /** IsReadyToRender |
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175 * |
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176 * Return ETrue if all parameters have valid value and filter |
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177 * can be rendered. |
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178 * |
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179 * @param - |
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180 * @return - ETrue if ready to render, otherwise EFalse |
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181 */ |
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182 TBool IsReadyToRender() const; |
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183 |
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184 /* GetHelpContext |
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185 * |
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186 * @see CCoeControl |
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187 * |
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188 */ |
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189 virtual void GetHelpContext(TCoeHelpContext& aContext) const; |
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190 |
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191 /* TimerCallBack |
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192 * |
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193 * @see MTimerCallBack |
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194 * |
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195 */ |
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196 virtual void TimerCallBack(); |
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197 |
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198 //@} |
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199 |
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200 protected: |
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201 |
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202 /** @name Methods:*/ |
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203 //@{ |
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204 |
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205 /* HandleListBoxEventL |
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206 * |
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207 * @see CImageEditorControlBase |
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208 * |
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209 */ |
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210 void HandleListBoxEventL(CEikListBox* aListBox, TListBoxEvent aEventType); |
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211 |
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212 /* HandleControlEventL |
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213 * |
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214 * @see CImageEditorControlBase |
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215 * |
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216 */ |
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217 void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType); |
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218 |
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219 /* SetBitmapL |
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220 * |
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221 * Sets clip-art bitmap to filter paramerters object |
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222 * |
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223 */ |
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224 void SetBitmapL(); |
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225 |
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226 /* SetBusy |
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227 * |
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228 * @see CImageEditorControlBase |
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229 * |
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230 */ |
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231 void SetBusy(); |
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232 |
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233 /* ResetBusy |
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234 * |
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235 * @see CImageEditorControlBase |
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236 * |
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237 */ |
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238 void ResetBusy(); |
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239 |
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240 /* HandlePointerEventL |
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241 * |
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242 * @see CImageEditorControlBase |
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243 * |
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244 */ |
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245 virtual void HandlePointerEventL( const TPointerEvent &aPointerEvent ); |
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246 |
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247 |
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248 //@} |
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249 |
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250 /** @name Members:*/ |
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251 //@{ |
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252 |
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253 //@} |
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254 |
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255 private: |
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256 |
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257 /** @name Methods:*/ |
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258 //@{ |
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259 |
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260 /** Default constructor |
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261 * |
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262 * @param - |
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263 * @return - |
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264 */ |
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265 CImageEditorClipartControl (); |
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266 |
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267 /** Draw |
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268 * |
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269 * @see CImageEditorControlBase |
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270 * |
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271 */ |
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272 virtual void Draw (const TRect & aRect) const; |
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273 |
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274 /** NaviDown |
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275 * |
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276 * Handles navi key down event. |
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277 * |
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278 * @param - |
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279 * @return - |
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280 */ |
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281 void NaviDown(); |
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282 |
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283 /** NaviUp |
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284 * |
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285 * Handles nave key up event. |
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286 * |
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287 * @param - |
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288 * @return - |
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289 */ |
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290 void NaviUp(); |
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291 |
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292 /** NaviRight |
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293 * |
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294 * Handles nave key right event. |
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295 * |
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296 * @param - |
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297 * @return - |
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298 */ |
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299 void NaviRight(); |
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300 |
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301 /** NaviLeft |
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302 * |
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303 * Handles nave key left event. |
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304 * |
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305 * @param - |
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306 * @return - |
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307 */ |
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308 void NaviLeft(); |
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309 |
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310 /** ToMoveState |
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311 * |
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312 * Handles transition to Move state. |
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313 * |
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314 * @param - |
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315 * @return - |
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316 */ |
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317 void ToMoveStateL(); |
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318 |
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319 /** ToResizeState |
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320 * |
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321 * Handles transition to Resize state. |
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322 * |
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323 * @param - |
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324 * @return - |
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325 */ |
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326 void ToResizeStateL(); |
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327 |
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328 /** ToRotateState |
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329 * |
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330 * Handles transition to Rotate state. |
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331 * |
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332 * @param - |
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333 * @return - |
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334 */ |
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335 void ToRotateStateL(); |
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336 |
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337 /** ToMainStateL |
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338 * |
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339 * Handles transition to Main state. |
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340 * |
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341 * @param - |
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342 * @return - |
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343 */ |
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344 void ToMainStateL(); |
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345 |
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346 /** StoreTempParams |
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347 * |
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348 * Store all parameters to temp variables. |
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349 * |
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350 * @param - |
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351 * @return - |
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352 */ |
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353 void StoreTempParams(); |
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354 |
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355 /** RestoreTempParams |
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356 * |
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357 * Restore parameters from temp variables. |
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358 * |
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359 * @param - |
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360 * @return - |
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361 */ |
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362 void RestoreTempParams(); |
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363 |
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364 /** SelectClipartL |
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365 * |
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366 * Select clipart and set to the parameter object |
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367 * |
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368 * @param - |
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369 * @return - |
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370 */ |
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371 void SelectClipartL(); |
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372 |
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373 /** LoadIndicatorL |
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374 * |
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375 * Loads indicator. |
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376 * |
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377 * @param aBitmapInd - indicator bitmap MBM index |
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378 * @param aMaskInd - indicator mask MBM index |
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379 * @return - |
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380 */ |
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381 void LoadIndicatorL ( |
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382 TInt aBitmapInd, |
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383 TInt aMaskInd |
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384 ); |
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385 |
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386 /** ComputeIndicatorPosition |
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387 * |
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388 * Computes indicator position. |
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389 * |
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390 * @param - |
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391 * @return - |
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392 */ |
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393 TPoint ComputeIndicatorPosition() const; |
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394 |
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395 /** StoreParameters |
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396 * |
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397 * Stores parameters to command line. |
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398 * |
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399 * @param - |
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400 * @return - |
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401 */ |
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402 void StoreParameters(); |
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403 |
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404 |
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405 /** StorePosAndScaleRelScreen |
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406 * |
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407 * Stores clipart position and scale relative to |
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408 * screen. |
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409 * |
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410 * @param - |
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411 * @return - |
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412 */ |
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413 void StorePosAndScaleRelScreen(); |
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414 |
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415 /** RestorePosAndScaleRelScreen |
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416 * |
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417 * Restores clipart position and scale relative to |
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418 * screen. |
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419 * |
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420 * @param - |
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421 * @return - |
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422 */ |
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423 void RestorePosAndScaleRelScreen(); |
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424 |
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425 /** StorePosAndScaleRelImage |
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426 * |
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427 * Stores scale and pan |
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428 * |
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429 * @param - |
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430 * @return - |
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431 */ |
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432 void StorePosAndScaleRelImage(); |
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433 |
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434 /** RestorePosAndScaleRelImage |
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435 * |
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436 * Stores scale and pan |
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437 * |
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438 * @param - |
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439 * @return - |
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440 */ |
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441 void RestorePosAndScaleRelImage(); |
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442 |
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443 /** ClipPosition |
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444 * |
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445 * Clips clipart position after screen mode change. |
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446 * |
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447 * @param - |
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448 * @return - |
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449 */ |
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450 void ClipPosition(); |
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451 |
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452 /** SetClipPosition |
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453 * |
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454 * Sets current clipart to a new position |
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455 * |
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456 * @param - aPointedPosition Middle point position on the screen where |
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457 * clip art should should be moved |
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458 * @return - |
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459 */ |
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460 void SetClipPosition( TPoint aPointedPosition ); |
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461 |
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462 /** ShowTooltip |
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463 * |
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464 * Show tooltip text on the screen. Tooltip text is set based |
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465 * on the current state. |
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466 * |
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467 * @param - |
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468 * @return - |
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469 */ |
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470 void ShowTooltip(); |
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471 |
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472 /** CalculateResize |
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473 * |
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474 * Function is used to calculate a new scale value when clipart is resized |
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475 * with touch. The value is calculated based on dragging start |
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476 * and end points. This function also changes scale variable member after |
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477 * calculation. |
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478 * |
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479 * @param - aStartPoint - A position where dragging started |
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480 * @param - aEndPoint - A position where dragging ended |
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481 * @return - TBool - ETrue if scale value is changed in the function |
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482 */ |
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483 TBool CalculateResize( TPoint aStartPoint, TPoint aEndPoint ); |
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484 |
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485 /** CalculateRotation |
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486 * |
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487 * Function is used to calculate rotation when clipart is rotated |
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488 * with touch. Needed rotation is calculated based on dragging start |
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489 * and end points. This function also changes rotation variables after |
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490 * calculation. |
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491 * |
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492 * @param - aStartPoint - A position where dragging started |
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493 * @param - aEndPoint - A position where dragging ended |
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494 * @return - TBool - ETrue if rotate value is changed in the function |
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495 */ |
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496 TBool CalculateRotation( TPoint aStartPoint, TPoint aEndPoint ); |
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497 |
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498 //@} |
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499 |
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500 /** @name Typedefs:*/ |
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501 //@{ |
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502 enum TInsertClipartState |
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503 { |
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504 // Invalid |
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505 EInsertClipartStateMin = 0, |
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506 // Select clipart |
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507 EInsertClipartStateSelect = 1<<1, |
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508 // Convert |
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509 EInsertClipartStateConvert = 1<<2, |
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510 // First time in main |
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511 EInsertClipartStateFirst = 1<<3, |
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512 // Main view |
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513 EInsertClipartStateMain = 1<<4, |
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514 // Move |
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515 EInsertClipartStateMove = 1<<5, |
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516 // Rotate |
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517 EInsertClipartStateRotate = 1<<6, |
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518 // Resize |
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519 EInsertClipartStateResize = 1<<7, |
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520 // Invalid |
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521 EInsertClipartStateMax = 1<<8 |
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522 } iState; |
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523 |
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524 //@} |
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525 |
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526 |
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527 /** @name Members:*/ |
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528 //@{ |
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529 |
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530 /// Editor view |
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531 CAknView * iEditorView; |
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532 |
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533 /// System parameters |
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534 const CSystemParameters* iSysPars; |
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535 |
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536 /// Plug-in info |
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537 CPluginInfo * iItem; |
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538 |
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539 /// Navigation pane text |
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540 TBuf<64> iNaviPaneText; |
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541 |
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542 /// Clipart x position |
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543 TInt iX; |
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544 /// Clipart y position |
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545 TInt iY; |
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546 /// Clipart scale |
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547 TInt iScale; |
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548 /// Clipart scale minimum |
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549 TInt iScaleMin; |
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550 /// Clipart scale maximum |
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551 TInt iScaleMax; |
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552 /// Clipart angle |
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553 TInt iAngle; |
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554 /// Do we scale clipart to maximum height |
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555 TBool iScaleToHeight; |
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556 |
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557 TInt iScaleOld; |
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558 TInt iPosXOld; |
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559 TInt iPosYOld; |
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560 |
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561 /// Temp params |
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562 TInt iTempX; |
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563 TInt iTempY; |
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564 TInt iTempScale; |
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565 TInt iTempAngle; |
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566 |
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567 /// Popup list |
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568 CClipartSelectionDialog* iPopupList; |
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569 |
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570 /// Clipart filename |
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571 TFileName iClipartFileName; |
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572 |
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573 /// Clipart filename index |
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574 TInt iClipartFileNameIndex; |
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575 |
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576 /// Resource reader |
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577 RConeResourceLoader iResLoader; |
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578 |
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579 /// Timer for fast key events |
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580 CJPTimer * iTimer; |
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581 TUint32 iKeyCode; |
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582 |
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583 /// Number of ticks since timer start |
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584 TInt iTickCount; |
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585 |
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586 /// Multiplier to control the navigation movement speed |
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587 TInt iNaviStepMultiplier; |
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588 |
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589 /// Showing Ok options menu, where some items are dimmed |
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590 TBool iDisplayingOkOptionsMenu; |
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591 |
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592 /// Plug-in is ready to render the image |
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593 TBool iReadyToRender; |
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594 |
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595 /// State indicator glyph |
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596 CFbsBitmap * iIndicator; |
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597 CFbsBitmap * iIndicatorMask; |
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598 |
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599 /// Clipart parameter |
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600 TBuf<256> iParam; |
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601 |
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602 |
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603 // Popup controller |
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604 CAknInfoPopupNoteController* iPopupController; |
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605 // Tooltip texts |
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606 HBufC * iTooltipResize; |
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607 HBufC * iTooltipMove; |
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608 HBufC * iTooltipRotate; |
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609 |
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610 // Previous pen position. Make touch rotating and resizing possible |
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611 TPoint iPointerPosition; |
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612 |
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613 // Feedback for screen touch: |
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614 #ifdef RD_TACTILE_FEEDBACK |
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615 MTouchFeedback* iTouchFeedBack; |
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616 #endif /* RD_TACTILE_FEEDBACK */ |
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617 |
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618 //@} |
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619 |
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620 }; |
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621 |
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622 |
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623 #endif |