author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:03:49 +0300 | |
changeset 6 | 1c3b8676e58c |
parent 5 | 0f2326c2a325 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as published by |
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* the Free Software Foundation, version 2.1 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, |
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* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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* |
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* Description: |
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* |
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*/ |
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|
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#include "PageItem.h" |
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#include "GWebTouchNavigation.h" |
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#include "Utilities.h" |
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#include "GSuperWebPage.h" |
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#include "ChromeWidget.h" |
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#include <QGraphicsWebView> |
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#include <QTimer> |
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namespace GVA { |
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/// Helper web view class that disables the default context menu. |
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class PageItemWebView : public QGraphicsWebView { |
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public: |
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PageItemWebView(QGraphicsItem * parent = 0) |
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: QGraphicsWebView(parent) |
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{} |
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void contextMenuEvent(QGraphicsSceneContextMenuEvent* event) { |
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// Do nothing. |
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event->accept(); |
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} |
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}; |
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// --------------------------------- |
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PageItem::PageItem(ChromeSnippet * snippet, ChromeWidget* chrome) |
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: NativeChromeItem(snippet, chrome->layout()), |
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m_webView(0), |
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m_touchNavigation(0), |
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m_superPage(0), |
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m_page(0), |
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m_chrome(chrome), |
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m_cleanupTimer(0), |
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m_isInstantiated(false) |
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{ |
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setVisible(false); |
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} |
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PageItem::~PageItem() { |
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if (!m_isInstantiated) return; |
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cleanUp(); |
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} |
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void PageItem::instantiate() { |
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if (m_isInstantiated) { |
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m_cleanupTimer->stop(); // make sure cleanup not scheduled |
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return; |
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} |
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// Create the web page. |
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m_page = new WebPageWrapper(this, "Page snippet javascript error"); |
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m_page->mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff); |
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m_page->mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff); |
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// Change page item base brush to transparent - |
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// this allows HTML to set the background color. |
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QPalette pagePalette = palette(); |
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pagePalette.setBrush(QPalette::Base, Qt::transparent); |
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m_page->setPalette(pagePalette); |
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// Use a super page here because they know how to inject our javascript objects |
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// into their javascript engines. |
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m_superPage = new GSuperWebPage(m_page, m_chrome); |
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// Create the web view. |
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m_webView = new PageItemWebView(this); |
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m_webView->setPage(m_page); |
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m_touchNavigation = new GWebTouchNavigation(m_page, m_webView); |
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// create and setup timer to delay cleanup |
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m_cleanupTimer = new QTimer(); |
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m_cleanupTimer->setSingleShot(true); |
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m_cleanupTimer->setInterval(0); |
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connect(m_cleanupTimer, SIGNAL(timeout()), this, SLOT(cleanUp())); |
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if (!m_url.isEmpty()) |
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m_webView->setUrl(m_url); |
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else if (!m_html.isEmpty()) { |
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m_webView->setHtml(m_html); |
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m_html = QString::null; |
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|
103 |
} |
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|
104 |
|
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|
105 |
m_isInstantiated = true; |
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|
106 |
} |
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|
107 |
|
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|
108 |
void PageItem::cleanUpOnTimer() { |
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|
109 |
if (!m_isInstantiated) return; |
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|
110 |
|
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|
111 |
m_cleanupTimer->start(); |
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|
112 |
} |
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|
113 |
|
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|
114 |
void PageItem::cleanUp() { // slot |
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|
115 |
delete m_cleanupTimer; |
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116 |
m_cleanupTimer = 0; |
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|
117 |
delete m_touchNavigation; |
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118 |
m_touchNavigation = 0; |
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119 |
delete m_webView; |
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120 |
m_webView = 0; |
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121 |
delete m_superPage; |
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122 |
m_superPage = 0; |
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123 |
m_isInstantiated = false; |
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124 |
} |
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|
125 |
|
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126 |
void PageItem::resizeEvent(::QGraphicsSceneResizeEvent *event) { |
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127 |
setWebViewSize(event->newSize()); |
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128 |
} |
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129 |
|
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130 |
void PageItem::setSize(const QSizeF &size) { |
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131 |
resize(size); |
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132 |
setWebViewSize(size); |
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133 |
} |
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|
134 |
|
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135 |
void PageItem::setWebViewSize(const QSizeF &size) { |
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136 |
if (m_webView) { |
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137 |
m_webView->resize(size); |
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138 |
m_webView->page()->setViewportSize(size.toSize()); |
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139 |
} |
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140 |
} |
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|
141 |
|
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142 |
void PageItem::showEvent(QShowEvent *event) { |
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143 |
instantiate(); |
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144 |
NativeChromeItem::showEvent(event); |
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|
145 |
} |
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|
146 |
|
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147 |
void PageItem::setUrl(const QString &value) { |
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Revision: 201024
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|
148 |
m_url = value; |
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|
149 |
if (m_webView) |
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150 |
m_webView->setUrl(value); |
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|
151 |
} |
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|
152 |
|
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|
153 |
QString PageItem::url() const { |
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|
154 |
if (m_webView) { |
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|
155 |
return m_webView->url().toString(); |
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|
156 |
} |
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|
157 |
return QString(); |
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|
158 |
} |
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|
159 |
|
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|
160 |
void PageItem::setHtml(const QString &value) { |
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161 |
if (m_webView) |
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|
162 |
m_webView->setHtml(value); |
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|
163 |
else |
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|
164 |
m_html = value; |
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|
165 |
} |
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|
166 |
|
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Revision: 201024
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|
167 |
QString PageItem::html() const { |
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|
168 |
if (m_webView) { |
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Revision: 201024
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|
169 |
QWebFrame *frame = m_webView->page()->mainFrame(); |
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Revision: 201024
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|
170 |
if (frame) |
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Revision: 201024
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|
171 |
return frame->toHtml(); |
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|
172 |
} |
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Revision: 201024
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|
173 |
return QString(); |
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Revision: 201024
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|
174 |
} |
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|
175 |
|
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Revision: 201024
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|
176 |
//void PageItem::paint(QPainter* painter, const QStyleOptionGraphicsItem* opt, QWidget* widget) { |
0f2326c2a325
Revision: 201024
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|
177 |
// Q_UNUSED(opt) |
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Revision: 201024
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|
178 |
// Q_UNUSED(widget) |
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Revision: 201024
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|
179 |
// |
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Revision: 201024
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|
180 |
// // Paint the background. |
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Revision: 201024
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|
181 |
// painter->fillRect(QRectF(0,0, geometry().width(), geometry().height()), Qt::blue); |
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Revision: 201024
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|
182 |
//} |
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|
183 |
|
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Revision: 201024
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|
184 |
QVariant PageItem::evaluateJavaScript(const QString &expression) { |
0f2326c2a325
Revision: 201024
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|
185 |
if (m_webView) { |
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Revision: 201024
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|
186 |
QWebFrame *frame = m_webView->page()->mainFrame(); |
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Revision: 201024
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|
187 |
if (frame) |
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Revision: 201024
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|
188 |
return frame->evaluateJavaScript(expression); |
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Revision: 201024
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|
189 |
} |
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Revision: 201024
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|
190 |
return QVariant(); |
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Revision: 201024
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|
191 |
} |
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Revision: 201024
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diff
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|
192 |
|
0f2326c2a325
Revision: 201024
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|
193 |
} // GVA namespace |