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1 /* |
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2 * Copyright (c) 2008 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: Popup control adapter |
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15 * |
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16 */ |
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17 |
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18 // System includes |
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19 #include <e32base.h> |
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20 #include <e32const.h> |
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21 #include <coecntrl.h> |
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22 #include <aknstyluspopupmenu.h> |
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23 |
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24 // User includes |
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25 #include "xnappuiadapter.h" |
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26 #include "xnviewadapter.h" |
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27 #include "xnkeyeventdispatcher.h" |
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28 #include "xnviewmanager.h" |
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29 #include "xnviewdata.h" |
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30 #include "xnplugindata.h" |
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31 #include "xnproperty.h" |
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32 #include "xncontroladapter.h" |
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33 #include "xndomnode.h" |
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34 #include "xnnodepluginif.h" |
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35 #include "xnnode.h" |
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36 #include "xntype.h" |
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37 #include "xnuiengine.h" |
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38 #include "xneditor.h" |
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39 #include "xnfocuscontrol.h" |
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40 |
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41 #include "xnpopupcontroladapter.h" |
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42 |
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43 // Constants |
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44 _LIT8( KMenuItem, "menuitem" ); |
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45 _LIT8( KDynMenuItem, "dynmenuitem" ); |
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46 _LIT8( KWidgetMenuItem, "widgetmenuitem" ); |
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47 _LIT8( KMenuExtension, "menuextension" ); |
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48 |
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49 _LIT8( KSource, "source" ); |
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50 _LIT8( KTarget, "target" ); |
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51 |
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52 // ============================ LOCAL FUNCTIONS =============================== |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // FindWidgetMenuItemL |
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56 // |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 static CXnNode* FindWidgetMenuItemL( CXnPluginData& aPlugin, |
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60 const TDesC8& aSource ) |
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61 { |
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62 if ( !aPlugin.Occupied() ) |
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63 { |
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64 return NULL; |
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65 } |
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66 |
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67 CXnNode* widget( aPlugin.Node()->LayoutNode() ); |
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68 |
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69 RPointerArray< CXnNode >& children( widget->Children() ); |
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70 |
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71 for ( TInt i = children.Count() - 1; i >= 0; i-- ) |
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72 { |
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73 if ( children[i]->Type()->Type() == KMenuExtension ) |
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74 { |
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75 RPointerArray< CXnNode >& items( children[i]->Children() ); |
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76 |
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77 for ( TInt i = 0; i < items.Count(); i++ ) |
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78 { |
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79 CXnProperty* prop( items[i]->GetPropertyL( KTarget ) ); |
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80 |
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81 if ( prop && prop->StringValue() == aSource ) |
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82 { |
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83 return items[i]; |
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84 } |
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85 } |
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86 |
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87 break; |
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88 } |
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89 } |
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90 |
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91 return NULL; |
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92 } |
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93 |
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94 // ============================ MEMBER FUNCTIONS =============================== |
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95 |
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96 // ----------------------------------------------------------------------------- |
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97 // CXnPopupControlAdapter::NewL |
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98 // Two-phased constructor. Can leave. |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 CXnPopupControlAdapter* CXnPopupControlAdapter::NewL( CXnNodePluginIf& aNode ) |
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102 { |
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103 CXnPopupControlAdapter* self = |
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104 new ( ELeave ) CXnPopupControlAdapter(); |
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105 |
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106 CleanupStack::PushL( self ); |
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107 |
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108 self->ConstructL( aNode ); |
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109 |
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110 CleanupStack::Pop( self ); |
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111 |
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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 // CXnPopupControlAdapter::~CXnPopupControlAdapter |
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117 // Destructor. |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 CXnPopupControlAdapter::~CXnPopupControlAdapter() |
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121 { |
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122 delete iStylusPopupMenu; |
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123 |
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124 iMenuItems.Reset(); |
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125 } |
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126 |
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127 // ----------------------------------------------------------------------------- |
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128 // CXnPopupControlAdapter::CXnPopupControlAdapter |
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129 // C++ default constructor. Must not leave. |
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130 // ----------------------------------------------------------------------------- |
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131 // |
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132 CXnPopupControlAdapter::CXnPopupControlAdapter() |
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133 { |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CXnPopupControlAdapter::ConstructL |
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138 // 2nd phase constructor. Can leave. |
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139 // ----------------------------------------------------------------------------- |
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140 // |
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141 void CXnPopupControlAdapter::ConstructL( CXnNodePluginIf& aNode ) |
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142 { |
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143 CXnControlAdapter::ConstructL( aNode ); |
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144 |
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145 iNode = &aNode.Node(); |
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146 iUiEngine = iNode->UiEngine(); |
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147 |
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148 iMenuShown = EFalse; |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CXnPopupControlAdapter::ProcessCommandL |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 void CXnPopupControlAdapter::ProcessCommandL( TInt aCommandId ) |
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156 { |
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157 // Resolve selected item |
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158 for ( TInt i = 0; aCommandId != KErrCancel && i < iMenuItems.Count(); i++ ) |
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159 { |
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160 if ( i == aCommandId ) |
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161 { |
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162 // Do the actual item selection |
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163 iMenuItems[i]->SetStateL( |
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164 XnPropertyNames::style::common::KActive ); |
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165 |
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166 break; |
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167 } |
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168 } |
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169 |
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170 iUiEngine->Editor()->SetTargetPlugin( NULL ); |
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171 |
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172 iMenuItems.Reset(); |
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173 iCommandId = 0; |
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174 |
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175 iMenuShown = EFalse; |
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176 } |
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177 |
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178 // ----------------------------------------------------------------------------- |
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179 // CXnPopupControlAdapter::SetEmphasis |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 void CXnPopupControlAdapter::SetEmphasis( CCoeControl* /*aMenuControl*/, |
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183 TBool /*aEmphasis*/ ) |
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184 { |
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185 } |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // CXnPopupControlAdapter::SetObserver |
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189 // ----------------------------------------------------------------------------- |
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190 // |
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191 void CXnPopupControlAdapter::SetObserver( |
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192 XnMenuInterface::MXnMenuObserver& aObserver ) |
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193 { |
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194 iObserver = &aObserver; |
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195 } |
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196 |
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197 // ----------------------------------------------------------------------------- |
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198 // CXnPopupControlAdapter::TryDisplayingStylusPopupL |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 void CXnPopupControlAdapter::TryDisplayingStylusPopupL( CXnNode& aPlugin ) |
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202 { |
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203 HideMenuL(); |
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204 |
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205 CXnViewManager* manager( iUiEngine->ViewManager() ); |
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206 CXnPluginData* plugin( manager->ActiveViewData().Plugin( &aPlugin ) ); |
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207 |
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208 if ( !plugin ) |
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209 { |
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210 return; |
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211 } |
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212 |
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213 CXnViewAdapter& adapter( iUiEngine->AppUiAdapter().ViewAdapter() ); |
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214 |
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215 const TPointerEvent& event( adapter.EventDispatcher()->PointerEvent() ); |
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216 |
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217 delete iStylusPopupMenu; |
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218 iStylusPopupMenu = NULL; |
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219 |
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220 // Popup is positioned relatively to screen |
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221 iStylusPopupMenu = CAknStylusPopUpMenu::NewL( this, event.iParentPosition ); |
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222 |
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223 RPointerArray< CXnNode >& children( iNode->Children() ); |
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224 |
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225 for ( TInt i = 0; i < children.Count(); i++ ) |
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226 { |
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227 PopulateMenuL( *plugin, children[i] ); |
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228 } |
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229 |
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230 ShowMenuL( *plugin, event.iParentPosition ); |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 // CXnPopupControlAdapter::HandleScreenDeviceChangedL |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 void CXnPopupControlAdapter::HandleScreenDeviceChangedL() |
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238 { |
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239 HideMenuL(); |
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240 } |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // CXnPopupControlAdapter::PopulateMenuL |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 void CXnPopupControlAdapter::PopulateMenuL( CXnPluginData& aPlugin, |
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247 CXnNode* aItem ) |
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248 { |
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249 CXnNode* menuitem( NULL ); |
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250 CXnProperty* prop( NULL ); |
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251 |
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252 TBool mappedItem( EFalse ); |
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253 |
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254 // Map widget menuitem first |
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255 if ( aItem->Type()->Type() == KWidgetMenuItem ) |
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256 { |
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257 // Widget menuitem is shown if a widget defined by the "aPlugin" |
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258 // defines a proper source - target menuitem pairing |
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259 CXnProperty* source( aItem->GetPropertyL( KSource ) ); |
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260 |
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261 if ( source ) |
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262 { |
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263 CXnNode* widgetItem( |
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264 FindWidgetMenuItemL( aPlugin, source->StringValue() ) ); |
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265 |
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266 if ( widgetItem ) |
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267 { |
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268 mappedItem = ETrue; |
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269 |
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270 // Get label from the view item |
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271 prop = aItem->LabelL(); |
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272 |
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273 if ( !prop ) |
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274 { |
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275 // no localization in view, check from widget |
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276 prop = widgetItem->LabelL(); |
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277 } |
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278 |
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279 // Pretend the original item is this widget item |
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280 aItem = widgetItem; |
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281 } |
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282 } |
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283 } |
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284 |
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285 const TDesC8& type( aItem->Type()->Type() ); |
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286 |
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287 if ( type == KMenuItem ) |
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288 { |
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289 // By default plain menuitems are always shown |
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290 menuitem = aItem; |
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291 } |
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292 else if ( type == KDynMenuItem && iObserver ) |
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293 { |
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294 CXnNode* plugin( aPlugin.Owner()->LayoutNode() ); |
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295 |
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296 // Let observer decide whether dynmenuitem is visible or not |
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297 if ( iObserver->DynInitMenuItemL( aItem->AppIfL(), &plugin->AppIfL() ) ) |
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298 { |
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299 menuitem = aItem; |
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300 } |
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301 } |
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302 |
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303 if ( menuitem ) |
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304 { |
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305 CXnProperty* display( menuitem->DisplayL() ); |
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306 |
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307 if ( display && display->StringValue() == |
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308 XnPropertyNames::style::common::display::KNone ) |
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309 { |
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310 return; |
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311 } |
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312 |
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313 if ( !mappedItem ) |
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314 { |
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315 prop = menuitem->LabelL(); |
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316 } |
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317 |
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318 if ( prop ) |
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319 { |
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320 HBufC* label( prop->StringValueL() ); |
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321 CleanupStack::PushL( label ); |
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322 |
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323 iStylusPopupMenu->AddMenuItemL( *label, iCommandId++ ); |
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324 iMenuItems.AppendL( menuitem ); |
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325 |
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326 CleanupStack::PopAndDestroy( label ); |
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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 // CXnPopupControlAdapter::ShowMenuL |
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333 // ----------------------------------------------------------------------------- |
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334 // |
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335 void CXnPopupControlAdapter::ShowMenuL( CXnPluginData& aPlugin, |
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336 TPoint aPosition ) |
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337 { |
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338 if ( iMenuItems.Count() > 0 && !iMenuShown ) |
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339 { |
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340 iUiEngine->AppUiAdapter().HideFocus(); |
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341 |
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342 CXnNode* plugin( aPlugin.Owner()->LayoutNode() ); |
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343 |
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344 iUiEngine->Editor()->SetTargetPlugin( plugin ); |
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345 |
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346 iStylusPopupMenu->SetPosition( aPosition, |
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347 CAknStylusPopUpMenu::EPositionTypeRightBottom ); |
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348 |
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349 iStylusPopupMenu->ShowMenu(); |
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350 iMenuShown = ETrue; |
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351 } |
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352 } |
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353 |
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354 // ----------------------------------------------------------------------------- |
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355 // CXnPopupControlAdapter::HideMenuL |
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356 // ----------------------------------------------------------------------------- |
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357 // |
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358 void CXnPopupControlAdapter::HideMenuL() |
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359 { |
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360 if ( iMenuShown ) |
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361 { |
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362 ProcessCommandL( KErrCancel ); |
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363 |
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364 delete iStylusPopupMenu; |
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365 iStylusPopupMenu = NULL; |
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366 |
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367 iMenuShown = EFalse; |
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368 } |
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369 } |
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370 |
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371 |
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372 // End of file |