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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 * Container class that handles/forwards keyevents and pointer |
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17 * events to other controls. |
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18 * |
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19 */ |
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20 |
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21 |
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22 // INCLUDE FILES |
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23 #include <fbs.h> |
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24 #include <eikenv.h> |
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25 #include <eikspane.h> |
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26 #include <aknsbasicbackgroundcontrolcontext.h> |
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27 #include <aknsdrawutils.h> |
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28 |
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29 #include "ImageEditorUIContainer.h" |
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30 #include "ImageEditorControlBase.h" |
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31 #include "ImageEditorUI.hrh" |
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32 |
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33 #include "WaitIndicator.h" |
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34 |
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35 #ifdef RD_TACTILE_FEEDBACK |
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36 #include <touchfeedback.h> |
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37 #endif /* RD_TACTILE_FEEDBACK */ |
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38 |
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39 const TInt KTouchPanTotalMoveThreshold = 5; |
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40 |
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41 //============================================================================= |
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42 void CImageEditorUIContainer::ConstructL(const TRect & aRect) |
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43 { |
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44 // Create window |
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45 CreateWindowL(); |
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46 |
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47 iWaitIndicator = CWaitIndicator::NewL(); |
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48 iWaitIndicator->SetParent( this); |
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49 |
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50 #ifdef RD_TACTILE_FEEDBACK |
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51 iTouchFeedBack = MTouchFeedback::Instance(); |
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52 #endif /* RD_TACTILE_FEEDBACK */ |
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53 |
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54 // Set window rectangle |
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55 SetRect(aRect); |
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56 |
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57 // Set busy |
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58 SetBusy(); |
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59 |
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60 SetCanDrawOutsideRect(); |
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61 iBgContext = CAknsBasicBackgroundControlContext::NewL( |
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62 KAknsIIDQsnBgAreaMain, Rect(), EFalse); |
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63 |
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64 EnableDragEvents(); |
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65 |
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66 // Activate container control |
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67 ActivateL(); |
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68 } |
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69 |
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70 //============================================================================= |
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71 CImageEditorUIContainer::~CImageEditorUIContainer() |
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72 { |
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73 delete iWaitIndicator; |
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74 delete iBgContext; |
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75 iEditorView = NULL; |
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76 iPreview = NULL; |
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77 iControl = NULL; |
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78 } |
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79 |
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80 //============================================================================= |
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81 void CImageEditorUIContainer::SetImageL(CFbsBitmap * aBitmap) |
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82 { |
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83 iPreview = aBitmap; |
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84 if (iControl) |
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85 { |
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86 ((CImageEditorControlBase*)iControl)->SetImageL(iPreview); |
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87 } |
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88 DrawDeferred(); |
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89 } |
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90 |
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91 //============================================================================= |
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92 void CImageEditorUIContainer::SetControl(CCoeControl * aControl) |
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93 { |
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94 iControl = aControl; |
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95 if (iControl) |
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96 { |
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97 ((CImageEditorControlBase *)iControl)->SetView(iEditorView); |
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98 iControl->SetRect(Rect() ); |
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99 } |
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100 DrawDeferred(); |
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101 } |
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102 |
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103 //============================================================================= |
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104 void CImageEditorUIContainer::SetView(CImageEditorUIView * aView) |
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105 { |
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106 if (iControl) |
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107 { |
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108 ((CImageEditorControlBase *)iControl)->SetView(aView); |
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109 } |
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110 iEditorView = aView; |
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111 } |
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112 |
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113 //============================================================================= |
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114 TKeyResponse CImageEditorUIContainer::OfferKeyEventL( |
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115 const TKeyEvent & aKeyEvent, TEventCode aType) |
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116 { |
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117 if (Busy() ) |
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118 { |
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119 return EKeyWasConsumed; |
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120 } |
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121 else |
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122 { |
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123 TKeyResponse res = EKeyWasNotConsumed; |
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124 if (iControl) |
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125 { |
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126 res = ((CCoeControl*)iControl)->OfferKeyEventL(aKeyEvent, |
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127 aType); |
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128 } |
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129 return res; |
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130 } |
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131 } |
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132 |
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133 //============================================================================= |
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134 void CImageEditorUIContainer::SizeChanged() |
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135 { |
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136 if (iBgContext) |
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137 { |
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138 iBgContext->SetRect(Rect() ); |
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139 } |
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140 |
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141 if (iControl) |
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142 { |
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143 iControl->SetRect(Rect() ); |
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144 } |
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145 |
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146 iWaitIndicator->SetItemRect(Rect() ); |
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147 } |
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148 |
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149 //============================================================================= |
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150 void CImageEditorUIContainer::HandlePointerEventL( |
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151 const TPointerEvent &aPointerEvent) |
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152 { |
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153 if (Busy() ) |
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154 { |
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155 return; |
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156 } |
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157 else |
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158 { |
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159 if (iControl) |
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160 { |
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161 ((CCoeControl*)iControl)->HandlePointerEventL(aPointerEvent); |
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162 } |
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163 else |
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164 { |
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165 |
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166 switch (aPointerEvent.iType) |
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167 { |
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168 case TPointerEvent::EButton1Down: |
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169 { |
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170 |
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171 #ifdef RD_TACTILE_FEEDBACK |
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172 if ( iTouchFeedBack ) |
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173 { |
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174 iTouchFeedBack->InstantFeedback( ETouchFeedbackBasic ); |
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175 RDebug::Printf( "ImageEditor::ImageEditorUIContainer: ETouchFeedback" ); |
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176 } |
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177 #endif /* RD_TACTILE_FEEDBACK */ |
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178 |
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179 if ( !iEditorView->InZoomingState() ) |
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180 { |
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181 iEditorView->HandleCommandL(EImageEditorMenuCmdApplyEffect); |
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182 } |
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183 else |
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184 { |
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185 iTappedPosition = aPointerEvent.iPosition; |
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186 } |
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187 break; |
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188 } |
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189 case TPointerEvent::EDrag: |
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190 { |
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191 iXDirChange = iTappedPosition.iX |
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192 - aPointerEvent.iPosition.iX; |
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193 iYDirChange = iTappedPosition.iY |
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194 - aPointerEvent.iPosition.iY; |
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195 |
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196 // Compare total change in pixels (absolute value) to |
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197 // threshold value. This is to prevent calling engine's |
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198 // Pan-function in every minimal movement |
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199 if ( (Abs(iXDirChange) + Abs(iYDirChange) ) |
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200 > KTouchPanTotalMoveThreshold) |
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201 { |
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202 iTappedPosition = aPointerEvent.iPosition; |
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203 iEditorView->HandleCommandL(EImageEditorCmdTouchPan); |
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204 } |
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205 |
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206 break; |
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207 } |
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208 case TPointerEvent::EButton1Up: |
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209 { |
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210 iTappedPosition = aPointerEvent.iPosition; |
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211 break; |
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212 } |
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213 |
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214 default: |
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215 { |
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216 break; |
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217 } |
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218 } |
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219 |
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220 } |
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221 |
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222 } |
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223 |
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224 } |
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225 |
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226 //============================================================================= |
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227 TInt CImageEditorUIContainer::CountComponentControls() const |
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228 { |
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229 TInt count = 0; |
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230 if (iControl) |
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231 { |
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232 ++count; |
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233 } |
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234 return count; |
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235 } |
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236 |
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237 //============================================================================= |
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238 CCoeControl * CImageEditorUIContainer::ComponentControl(TInt aIndex) const |
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239 { |
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240 switch (aIndex) |
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241 { |
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242 case 0: |
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243 { |
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244 return iControl; |
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245 } |
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246 default: |
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247 { |
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248 return 0; |
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249 } |
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250 } |
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251 } |
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252 |
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253 //============================================================================= |
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254 void CImageEditorUIContainer::SetBusy() |
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255 { |
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256 if (iControl) |
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257 { |
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258 ((CImageEditorControlBase *)iControl)->SetBusy(); |
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259 } |
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260 iBusy = ETrue; |
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261 } |
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262 |
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263 //============================================================================= |
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264 void CImageEditorUIContainer::ResetBusy() |
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265 { |
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266 if (iControl) |
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267 { |
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268 ((CImageEditorControlBase *)iControl)->ResetBusy(); |
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269 } |
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270 iBusy = EFalse; |
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271 } |
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272 |
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273 //============================================================================= |
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274 TBool CImageEditorUIContainer::Busy() const |
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275 { |
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276 return iBusy; |
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277 } |
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278 |
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279 //============================================================================= |
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280 void CImageEditorUIContainer::SetFullScreen() |
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281 { |
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282 iFullScreen = ETrue; |
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283 } |
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284 |
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285 //============================================================================= |
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286 void CImageEditorUIContainer::ResetFullScreen() |
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287 { |
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288 iFullScreen = EFalse; |
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289 } |
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290 |
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291 //============================================================================= |
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292 void CImageEditorUIContainer::Draw(const TRect & /*aRect*/) const |
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293 { |
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294 // Get graphics context |
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295 CWindowGc & gc = SystemGc(); |
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296 |
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297 // If there is a plug-in control, it is responsible |
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298 // for drawing the preview image (to avoid flicker) |
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299 if (!iControl) |
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300 { |
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301 gc.SetBrushStyle(CGraphicsContext::ESolidBrush); |
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302 gc.SetBrushColor(KRgbWhite); |
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303 gc.SetPenStyle(CGraphicsContext::ESolidPen); |
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304 gc.SetPenColor(KRgbWhite); |
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305 |
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306 if (iPreview && iPreview->Handle() ) |
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307 { |
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308 gc.DrawBitmap(Rect(), iPreview); |
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309 } |
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310 else |
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311 { |
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312 // Draw skin background |
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313 MAknsSkinInstance* skin = AknsUtils::SkinInstance(); |
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314 MAknsControlContext* cc = AknsDrawUtils::ControlContext( this); |
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315 AknsDrawUtils::DrawBackground(skin, cc, this, gc, TPoint(0, 0), |
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316 Rect(), KAknsDrawParamDefault); |
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317 |
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318 } |
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319 } |
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320 |
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321 iWaitIndicator->DrawItem(gc); |
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322 } |
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323 |
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324 //============================================================================= |
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325 void CImageEditorUIContainer::HandleControlEventL(CCoeControl * /*aControl*/, |
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326 TCoeEvent /*aEventType*/ |
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327 ) |
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328 { |
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329 |
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330 } |
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331 |
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332 //============================================================================= |
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333 void CImageEditorUIContainer::GetHelpContext(TCoeHelpContext& aContext) const |
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334 { |
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335 if (iControl) |
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336 { |
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337 iControl->GetHelpContext(aContext); |
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338 } |
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339 } |
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340 |
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341 //============================================================================= |
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342 void CImageEditorUIContainer::GetDragDirections(TInt& xMovement, TInt& yMovement) |
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343 { |
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344 xMovement = iXDirChange; |
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345 yMovement = iYDirChange; |
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346 } |
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347 |
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348 //============================================================================= |
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349 void CImageEditorUIContainer::HandleNaviDecoratorEventL(TInt aEventID) |
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350 { |
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351 if (aEventID == EAknNaviDecoratorEventRightTabArrow) |
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352 { |
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353 // A right arrow key event is simulated |
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354 TKeyEvent key; |
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355 key.iRepeats = 0; |
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356 key.iCode = EKeyRightArrow; |
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357 key.iModifiers = 0; |
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358 CEikonEnv::Static()->SimulateKeyEventL(key, EEventKey); |
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359 } |
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360 else |
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361 if (aEventID == EAknNaviDecoratorEventLeftTabArrow) |
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362 { |
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363 // A left arrow key event is simulated |
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364 TKeyEvent key; |
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365 key.iRepeats = 0; |
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366 key.iCode = EKeyLeftArrow; |
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367 key.iModifiers = 0; |
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368 CEikonEnv::Static()->SimulateKeyEventL(key, EEventKey); |
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369 } |
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370 } |
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371 |
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372 //============================================================================= |
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373 TTypeUid::Ptr CImageEditorUIContainer::MopSupplyObject(TTypeUid aId) |
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374 { |
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375 if (aId.iUid == MAknsControlContext::ETypeId && iBgContext) |
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376 { |
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377 return MAknsControlContext::SupplyMopObject(aId, iBgContext); |
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378 } |
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379 return CCoeControl::MopSupplyObject(aId); |
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380 } |
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381 |
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382 //============================================================================= |
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383 void CImageEditorUIContainer::HideWaitNote() |
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384 { |
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385 iWaitIndicator->Hide(); |
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386 } |
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387 |
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388 //============================================================================= |
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389 void CImageEditorUIContainer::ShowWaitNote() |
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390 { |
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391 iWaitIndicator->Show(); |
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392 } |
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393 |
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394 // End of File |