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1 /* |
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2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Interface for controlling stylus popup menu. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <AknPreviewPopUpController.h> |
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20 #include <eikmobs.h> |
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21 #include <AknUtils.h> |
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22 #include <barsread.h> |
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23 #include <aknlayoutscalable_avkon.cdl.h> |
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24 #include <eikapp.h> |
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25 #include <aknappui.h> |
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26 #include <AknDef.h> |
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27 |
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28 #include "aknstyluspopupmenu.h" |
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29 #include "aknstyluspopupmenucontent.h" |
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30 |
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31 const TInt KDefaultPopUpShowDelay = 0; |
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32 const TInt KDefaultPopUpHideDelay = 6000000; // 6 seconds |
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33 |
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34 enum TStylusPopUpFlags |
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35 { |
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36 EIdleDisabled // usage of iControllerIdle is disabled |
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37 }; |
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38 |
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39 // ======== MEMBER FUNCTIONS ======== |
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40 |
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41 // --------------------------------------------------------------------------- |
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42 // Default constructor |
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43 // --------------------------------------------------------------------------- |
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44 // |
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45 CAknStylusPopUpMenu::CAknStylusPopUpMenu( MEikMenuObserver* aObserver, |
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46 const TPoint& aPoint, |
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47 CAknPreviewPopUpController* aPopup ) |
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48 : iPosition ( aPoint ), |
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49 iMenuObserver( aObserver ), |
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50 iPreviewPopup( aPopup ), |
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51 iPositionType( EPositionTypeLeftTop ) |
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52 { |
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53 } |
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54 |
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55 |
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56 // --------------------------------------------------------------------------- |
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57 // CAknStylusPopUpMenu::ConstructL |
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58 // --------------------------------------------------------------------------- |
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59 // |
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60 |
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61 void CAknStylusPopUpMenu::ConstructL() |
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62 { |
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63 iContent = CAknStylusPopUpMenuContent::NewL( *this ); |
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64 |
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65 iContent->SetObserver(this); |
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66 } |
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67 |
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68 |
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69 // --------------------------------------------------------------------------- |
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70 // CAknStylusPopUpMenu::NewL |
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71 // --------------------------------------------------------------------------- |
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72 // |
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73 EXPORT_C CAknStylusPopUpMenu* CAknStylusPopUpMenu::NewL( |
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74 MEikMenuObserver* aObserver, const TPoint& aPoint, |
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75 CAknPreviewPopUpController* aPopup ) |
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76 { |
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77 CAknStylusPopUpMenu* self = CAknStylusPopUpMenu::NewLC( aObserver, |
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78 aPoint, |
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79 aPopup ); |
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80 CleanupStack::Pop( self ); |
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81 return self; |
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82 } |
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83 |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // CAknStylusPopUpMenu::NewL |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 EXPORT_C CAknStylusPopUpMenu* CAknStylusPopUpMenu::NewL( |
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90 MEikMenuObserver* aObserver, const TPoint& aPoint ) |
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91 { |
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92 CAknStylusPopUpMenu* self = CAknStylusPopUpMenu::NewLC( aObserver, |
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93 aPoint, NULL ); |
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94 CleanupStack::Pop( self ); |
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95 return self; |
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96 } |
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97 |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // CAknStylusPopUpMenu::NewLC |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 EXPORT_C CAknStylusPopUpMenu* CAknStylusPopUpMenu::NewLC( |
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104 MEikMenuObserver* aObserver, const TPoint& aPoint, |
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105 CAknPreviewPopUpController* aPopup ) |
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106 { |
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107 CAknStylusPopUpMenu* self = new ( ELeave ) CAknStylusPopUpMenu( aObserver, |
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108 aPoint, |
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109 aPopup ); |
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110 CleanupStack::PushL( self ); |
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111 self->ConstructL(); |
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112 return self; |
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113 } |
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114 |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // Destructor |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 CAknStylusPopUpMenu::~CAknStylusPopUpMenu() |
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121 { |
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122 if ( iIsDeleted ) |
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123 { |
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124 *iIsDeleted = ETrue; |
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125 iIsDeleted = NULL; |
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126 } |
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127 |
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128 if ( iControllerIdle ) |
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129 { |
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130 iControllerIdle->Cancel(); |
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131 } |
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132 delete iControllerIdle; |
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133 delete iController; |
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134 delete iContent; |
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135 } |
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136 |
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137 |
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138 // --------------------------------------------------------------------------- |
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139 // CAknStylusPopUpMenu::AddMenuItemL |
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140 // --------------------------------------------------------------------------- |
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141 // |
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142 EXPORT_C void CAknStylusPopUpMenu::AddMenuItemL( const TDesC& aItem, |
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143 const TInt aCommandId ) |
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144 { |
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145 iContent->AddMenuItemL( aItem, aCommandId ); |
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146 } |
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147 |
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148 |
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149 // --------------------------------------------------------------------------- |
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150 // CAknStylusPopUpMenu::RemoveMenuItem |
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151 // --------------------------------------------------------------------------- |
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152 // |
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153 EXPORT_C void CAknStylusPopUpMenu::RemoveMenuItem( const TInt aCommandId ) |
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154 { |
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155 iContent->RemoveMenuItem( aCommandId ); |
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156 } |
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157 |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 // CAknStylusPopUpMenu::SetItemDimmed |
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161 // --------------------------------------------------------------------------- |
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162 // |
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163 EXPORT_C void CAknStylusPopUpMenu::SetItemDimmed( const TInt aCommandId, const TBool aDimmed ) |
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164 { |
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165 iContent->SetItemDimmed( aCommandId, aDimmed ); |
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166 } |
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167 |
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168 |
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169 // --------------------------------------------------------------------------- |
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170 // CAknStylusPopUpMenu::ShowMenu |
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171 // --------------------------------------------------------------------------- |
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172 // |
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173 EXPORT_C void CAknStylusPopUpMenu::ShowMenu() |
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174 { |
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175 TRAPD( err, |
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176 iController = CAknPreviewPopUpController::NewL( *iContent, |
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177 CAknPreviewPopUpController::ELayoutSubMenu | |
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178 CAknPreviewPopUpController::EAutoMirror | |
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179 CAknPreviewPopUpController::EDontClose ) ); |
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180 if ( err ) |
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181 { |
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182 return; |
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183 } |
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184 |
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185 iController->SetPopUpShowDelay( KDefaultPopUpShowDelay ); |
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186 iController->SetPopUpHideDelay( KDefaultPopUpHideDelay ); |
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187 iContent->Parent()->DrawableWindow()->SetNonFading(ETrue); |
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188 |
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189 TSize size(iController->Size()); |
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190 iController->ShowPopUp(); |
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191 |
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192 if ( size.iWidth == 0 && size.iHeight == 0 ) |
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193 { |
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194 if ( iPositionType != KErrNotFound ) |
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195 { |
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196 SetPosition( iPosition, TPositionType( iPositionType ) ); |
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197 } |
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198 else |
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199 { |
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200 SetPosition( iPosition ); |
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201 } |
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202 } |
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203 else |
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204 { |
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205 //position already adjusted. |
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206 iController->SetPosition( iPosition ); |
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207 } |
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208 |
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209 } |
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210 |
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211 |
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212 // --------------------------------------------------------------------------- |
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213 // CAknStylusPopUpMenu::SetPosition |
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214 // --------------------------------------------------------------------------- |
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215 // |
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216 EXPORT_C void CAknStylusPopUpMenu::SetPosition( const TPoint& aPoint ) |
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217 { |
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218 SetPosition( aPoint, EPositionTypeLeftTop ); |
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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 // CAknStylusPopUpMenu::SetPosition |
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224 // --------------------------------------------------------------------------- |
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225 // |
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226 EXPORT_C void CAknStylusPopUpMenu::SetPosition( const TPoint& aPoint, TPositionType aPosType ) |
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227 { |
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228 TPoint adjustedPoint( aPoint ); |
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229 if ( !iController ) |
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230 { |
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231 iPosition = aPoint; |
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232 iPositionType = aPosType; |
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233 return; |
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234 } |
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235 iController->UpdateContentSize(); |
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236 TSize menuSize = iController->Size(); |
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237 // calculate to right-top corner by aPosType and popup menu size |
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238 switch ( aPosType ) |
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239 { |
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240 case EPositionTypeRightTop: |
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241 break; |
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242 case EPositionTypeLeftTop: |
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243 if( AknLayoutUtils::LayoutMirrored() ) |
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244 { |
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245 adjustedPoint.iX -= menuSize.iWidth; |
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246 } |
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247 else |
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248 { |
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249 adjustedPoint.iX += menuSize.iWidth; |
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250 } |
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251 break; |
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252 case EPositionTypeRightBottom: |
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253 adjustedPoint.iY -= menuSize.iHeight; |
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254 break; |
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255 case EPositionTypeLeftBottom: |
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256 if( AknLayoutUtils::LayoutMirrored() ) |
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257 { |
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258 adjustedPoint.iX -= menuSize.iWidth; |
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259 } |
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260 else |
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261 { |
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262 adjustedPoint.iX += menuSize.iWidth; |
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263 } |
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264 adjustedPoint.iY -= menuSize.iHeight; |
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265 break; |
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266 default: |
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267 break; |
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268 |
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269 } |
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270 iPosition = adjustedPoint; |
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271 iController->SetPosition( adjustedPoint ); |
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272 } |
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273 |
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274 |
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275 // --------------------------------------------------------------------------- |
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276 // CAknStylusPopUpMenu::ConstructFromResourceL |
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277 // --------------------------------------------------------------------------- |
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278 // |
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279 EXPORT_C void CAknStylusPopUpMenu::ConstructFromResourceL( TResourceReader& |
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280 aReader ) |
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281 { |
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282 TInt count = aReader.ReadInt16(); |
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283 TInt commandId; |
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284 for ( TInt i = 0; i < count; i++ ) |
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285 { |
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286 TPtrC text = aReader.ReadTPtrC(); |
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287 commandId = aReader.ReadInt32(); |
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288 iContent->AddMenuItemL( text, commandId ); |
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289 aReader.ReadInt32(); // extension link |
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290 } |
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291 } |
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292 |
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293 |
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294 // --------------------------------------------------------------------------- |
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295 // From class MCoeControlObserver. |
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296 // Handles stylus tap events by forwarding the event to the observer. |
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297 // --------------------------------------------------------------------------- |
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298 // |
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299 EXPORT_C void CAknStylusPopUpMenu::HandleControlEventL( CCoeControl* aControl, |
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300 TCoeEvent aEventType ) |
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301 { |
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302 if ( aControl && aEventType == EEventStateChanged ) |
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303 { |
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304 if ( iPreviewPopup ) |
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305 { |
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306 iPreviewPopup->HidePopUp(); |
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307 } |
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308 if ( iController ) |
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309 { |
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310 iController->HidePopUp(); |
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311 } |
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312 |
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313 if ( iMenuObserver ) |
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314 { |
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315 iFlags.Set( EIdleDisabled ); |
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316 TBool isDeleted = EFalse; |
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317 iIsDeleted = &isDeleted; |
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318 |
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319 iMenuObserver->ProcessCommandL( iContent->CurrentCommandId() ); |
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320 |
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321 if ( isDeleted ) |
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322 { |
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323 return; |
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324 } |
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325 |
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326 iIsDeleted = NULL; |
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327 iFlags.Clear( EIdleDisabled ); |
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328 } |
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329 |
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330 StartControllerIdleL(); |
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331 } |
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332 else if ( aControl && aEventType == EEventRequestExit ) |
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333 { |
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334 if ( iPreviewPopup ) |
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335 { |
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336 iPreviewPopup->HidePopUp(); |
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337 } |
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338 if ( iController ) |
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339 { |
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340 iController->HidePopUp(); |
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341 } |
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342 |
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343 StartControllerIdleL(); |
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344 } |
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345 else if ( aControl && aEventType == EEventRequestCancel ) |
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346 { |
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347 if ( iMenuObserver ) |
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348 { |
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349 iFlags.Set( EIdleDisabled ); |
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350 iMenuObserver->ProcessCommandL( KErrCancel ); |
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351 iFlags.Clear( EIdleDisabled ); |
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352 } |
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353 |
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354 StartControllerIdleL(); |
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355 } |
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356 } |
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357 |
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358 |
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359 // --------------------------------------------------------------------------- |
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360 // CAknStylusPopUpMenu::UpdatePosition |
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361 // --------------------------------------------------------------------------- |
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362 // |
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363 void CAknStylusPopUpMenu::UpdatePosition() |
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364 { |
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365 SetPosition( iPosition ); |
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366 } |
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367 |
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368 |
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369 // --------------------------------------------------------------------------- |
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370 // CAknStylusPopUpMenu::Clear |
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371 // --------------------------------------------------------------------------- |
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372 // |
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373 void CAknStylusPopUpMenu::Clear() |
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374 { |
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375 iContent->Clear(); |
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376 if ( iController ) |
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377 { |
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378 iController->UpdateContentSize(); |
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379 } |
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380 } |
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381 |
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382 // ----------------------------------------------------------------------------- |
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383 // CAknStylusPopUpMenu::StartControllerIdleL |
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384 // ----------------------------------------------------------------------------- |
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385 // |
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386 void CAknStylusPopUpMenu::StartControllerIdleL() |
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387 { |
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388 if ( !iFlags.IsSet( EIdleDisabled ) ) |
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389 { |
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390 if ( !iControllerIdle ) |
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391 { |
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392 iControllerIdle = CIdle::NewL( CActive::EPriorityIdle ); |
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393 } |
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394 |
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395 if ( !iControllerIdle->IsActive() && iController ) |
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396 { |
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397 iControllerIdle->Start( TCallBack( ControllerCallBack, this ) ); |
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398 } |
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399 } |
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400 } |
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401 |
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402 // ----------------------------------------------------------------------------- |
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403 // CAknStylusPopUpMenu::ControllerCallBack |
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404 // ----------------------------------------------------------------------------- |
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405 // |
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406 TInt CAknStylusPopUpMenu::ControllerCallBack( TAny* aThis ) |
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407 { |
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408 CAknStylusPopUpMenu* self = static_cast<CAknStylusPopUpMenu*>( aThis ); |
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409 self->RemoveController(); |
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410 self->iFlags.Clear( EIdleDisabled ); |
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411 |
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412 return KErrNone; |
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413 } |
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414 |
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415 // ----------------------------------------------------------------------------- |
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416 // CAknStylusPopUpMenu::RemoveController |
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417 // ----------------------------------------------------------------------------- |
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418 // |
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419 void CAknStylusPopUpMenu::RemoveController() |
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420 { |
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421 if ( iController ) |
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422 { |
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423 delete iController; |
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424 iController = NULL; |
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425 } |
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426 } |