1 /* |
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2 * Copyright (c) 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: |
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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 "webhtmltabbednavigation.h" |
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20 #include "qwebpage.h" |
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21 #include "qwebframe.h" |
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22 #include "qwebelement.h" |
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23 #include <QDebug> |
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24 |
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25 namespace WRT { |
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26 |
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27 /*! |
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28 \class WebHtmlTabIndexedNavigation |
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29 \since cwrt 1.0 |
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30 \brief cwrt navigation. |
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31 |
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32 \sa WebNavigation, WebTouchNavigation, WebCursorNavigation, WebDirectionalNavigation |
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33 */ |
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34 WebHtmlTabIndexedNavigation::WebHtmlTabIndexedNavigation(QWebPage* webPage,QObject* view) : m_webPage(webPage) |
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35 , m_view(view) |
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36 , m_radioKeyPressed(Qt::Key_Down) |
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37 , m_radioGroupFocused(false) |
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38 { |
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39 install(); |
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40 } |
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41 |
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42 /*! |
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43 */ |
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44 WebHtmlTabIndexedNavigation::~WebHtmlTabIndexedNavigation() |
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45 { |
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46 uninstall(); |
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47 } |
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48 |
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49 void WebHtmlTabIndexedNavigation::install() |
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50 { |
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51 m_view->installEventFilter(this); |
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52 } |
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53 |
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54 void WebHtmlTabIndexedNavigation::uninstall() |
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55 { |
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56 m_view->removeEventFilter(this); |
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57 } |
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58 |
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59 bool WebHtmlTabIndexedNavigation::eventFilter(QObject *object, QEvent *event) |
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60 { |
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61 if (object == m_view) { |
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62 switch (event->type()) { |
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63 case QEvent::KeyPress: { |
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64 QKeyEvent* ev = static_cast<QKeyEvent*>(event); |
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65 keyPressEvent(ev); |
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66 return ev->isAccepted(); |
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67 } |
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68 case QEvent::KeyRelease: { |
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69 QKeyEvent* ev = static_cast<QKeyEvent*>(event); |
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70 keyReleaseEvent(ev); |
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71 return ev->isAccepted(); |
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72 } |
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73 default: |
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74 break; |
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75 } |
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76 } |
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77 return false; |
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78 } |
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79 |
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80 /*! |
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81 If the key is directional up or left sends a tab key press with a shift modifier to QWebPage |
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82 If the key is directional right or down sends a tab key press with out a shift modifer to QWebPage |
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83 Otherwise sends the key press event to QWebPage |
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84 */ |
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85 void WebHtmlTabIndexedNavigation::keyPressEvent(QKeyEvent* ev) |
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86 { |
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87 switch (ev->key()) { |
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88 case Qt::Key_Up: |
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89 case Qt::Key_Left: { |
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90 QKeyEvent tabEvent(QEvent::KeyPress, Qt::Key_Tab, Qt::ShiftModifier); |
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91 m_webPage->event(&tabEvent); |
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92 } |
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93 break; |
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94 case Qt::Key_Down: |
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95 case Qt::Key_Right: { |
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96 QKeyEvent tabEvent(QEvent::KeyPress, Qt::Key_Tab, Qt::NoModifier); |
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97 m_webPage->event(&tabEvent); |
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98 } |
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99 break; |
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100 case Qt::Key_Return: |
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101 case Qt::Key_Enter: |
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102 case Qt::Key_Select: { |
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103 QWebElement webElement = m_webPage->mainFrame()->findFirstElement(":focus"); |
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104 QString attribute = webElement.attribute("type"); |
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105 if (attribute.toLower().compare("checkbox")==0) { |
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106 QKeyEvent spaceEvent(QEvent::KeyPress, Qt::Key_Space, Qt::NoModifier); |
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107 m_webPage->event(&spaceEvent); |
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108 } else if (attribute.toLower().compare("radio")==0) { |
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109 m_radioKeyPressed = (m_radioGroupFocused) ? Qt::Key_Down : Qt::Key_Up; |
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110 QKeyEvent keyevent(QEvent::KeyPress, m_radioKeyPressed, Qt::NoModifier); |
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111 m_webPage->event(&keyevent); |
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112 m_radioGroupFocused = (webElement.document().findFirst(":checked") != webElement) ? m_radioGroupFocused : !m_radioGroupFocused; |
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113 } else if (webElement.tagName().toLower().compare("select")==0) { |
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114 QKeyEvent keyevent(QEvent::KeyPress, Qt::Key_Down, Qt::NoModifier); |
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115 m_webPage->event(&keyevent); |
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116 } |
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117 } |
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118 break; |
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119 default: |
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120 if (m_webPage) |
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121 m_webPage->event(ev); |
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122 break; |
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123 }; |
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124 } |
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125 |
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126 /*! |
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127 If the key is directional up or left sends a tab key release with a shift modifier to QWebPage |
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128 If the key is directional right or down sends a tab key release with out a shift modifer to QWebPage |
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129 Otherwise sends the key press event to QWebPage |
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130 */ |
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131 void WebHtmlTabIndexedNavigation::keyReleaseEvent(QKeyEvent* ev) |
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132 { |
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133 switch (ev->key()) { |
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134 case Qt::Key_Up: |
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135 case Qt::Key_Left: { |
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136 QKeyEvent tabEvent(QEvent::KeyRelease, Qt::Key_Tab, Qt::ShiftModifier); |
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137 m_webPage->event(&tabEvent); |
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138 } |
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139 break; |
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140 case Qt::Key_Down: |
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141 case Qt::Key_Right: { |
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142 QKeyEvent tabEvent(QEvent::KeyRelease, Qt::Key_Tab, Qt::NoModifier); |
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143 m_webPage->event(&tabEvent); |
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144 } |
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145 break; |
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146 case Qt::Key_Return: |
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147 case Qt::Key_Enter: |
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148 case Qt::Key_Select: { |
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149 QWebElement webElement = m_webPage->mainFrame()->findFirstElement(":focus"); |
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150 QString attribute = webElement.attribute("type"); |
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151 if (attribute.toLower().compare("checkbox")==0) { |
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152 QKeyEvent spaceEvent(QEvent::KeyRelease, Qt::Key_Space, Qt::NoModifier); |
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153 m_webPage->event(&spaceEvent); |
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154 } else if (attribute.toLower().compare("radio")==0 || attribute.toLower().compare("select")==0) { |
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155 QKeyEvent keyevent(QEvent::KeyRelease, m_radioKeyPressed, Qt::NoModifier); |
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156 m_webPage->event(&keyevent); |
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157 } else if (webElement.tagName().toLower().compare("select")==0) { |
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158 QKeyEvent keyevent(QEvent::KeyRelease, Qt::Key_Down, Qt::NoModifier); |
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159 m_webPage->event(&keyevent); |
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160 } |
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161 } |
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162 default: |
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163 if (m_webPage) |
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164 m_webPage->event(ev); |
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165 break; |
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166 }; |
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167 } |
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168 |
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169 } |
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