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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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#include "WebContentViewWidget.h"
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#include "ScrollableWebContentView.h"
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#include "webpagecontroller.h"
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#include "WebView.h"
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#include "wrtbrowsercontainer.h"
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#include "webpagedata.h"
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#ifdef Q_WS_MAEMO_5
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#include "ContentViewContextMenu.h"
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#endif
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#include "GWebContentView.h"
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#include <QGraphicsLinearLayout>
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#include <QStyleOptionGraphicsItem>
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#include <QWebFrame>
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#include "QWebHistoryItem"
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namespace GVA {
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WebContentViewWidget::WebContentViewWidget(QObject* parent, GWebContentView* view, QWebPage* page):
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m_webContentView(view)
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{
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setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true);
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setParent(parent);
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m_webView = new WebView();
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m_webViewport = new ScrollableWebContentView(m_webView, this);
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if (page)
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setPage(page);
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//updatePreferredContentSize();
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//FIX ME : Should we have to delete layout??
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QGraphicsLinearLayout* layout = new QGraphicsLinearLayout(Qt::Vertical, this);
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layout->setContentsMargins(0,0,0,0);
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layout->setSpacing(0.);
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layout->addItem(m_webViewport);
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connect(m_webViewport
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, SIGNAL(updateZoomActions(bool,bool))
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, this
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, SIGNAL(updateZoomActions(bool,bool)));
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#ifdef Q_WS_MAEMO_5
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connect(m_webViewport
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, SIGNAL(contextEventObject(QWebHitTestResult*, QPointF))
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, this
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, SLOT(onContextEventObject(QWebHitTestResult*, QPointF)));
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#else
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connect(m_webViewport
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, SIGNAL(contextEventObject(QWebHitTestResult*, QPointF))
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, this
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, SIGNAL(contextEventObject(QWebHitTestResult*, QPointF)));
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#endif
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connect(m_webViewport
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, SIGNAL(viewScrolled(QPoint&, QPoint&))
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, this
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, SIGNAL(viewScrolled(QPoint&, QPoint&)));
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connect(m_webViewport
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, SIGNAL(contentViewMouseEvent(QEvent::Type))
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, this
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, SIGNAL(mouseEvent(QEvent::Type)));
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//To speed up painting.
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setFlag(QGraphicsItem::ItemHasNoContents, true);
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setAttribute(Qt::WA_OpaquePaintEvent, true);
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}
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WebContentViewWidget::~WebContentViewWidget()
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{
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delete m_webView;
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delete m_webViewport;
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}
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bool WebContentViewWidget::event(QEvent * e)
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{
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if (e->type() == QEvent::Gesture) {
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return m_webViewport->event(e);
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}
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return QGraphicsWidget::event(e);
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}
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void WebContentViewWidget::resizeEvent(QGraphicsSceneResizeEvent* event)
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{
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QGraphicsWidget::resizeEvent(event);
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// WTF? setGeometry(QRectF(pos(), size()));
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setPreferredSize(size());
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QSizeF vpSize = m_webViewport->size();
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if(vpSize.width() > size().width()) vpSize.setWidth(size().height());
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if(vpSize.height() > size().height()) vpSize.setHeight(size().height());
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QPointF vpPos = m_webViewport->pos();
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if(vpPos.x() + vpSize.width() > geometry().right())
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vpPos.setX(geometry().right() - vpSize.width());
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if(vpPos.y() + vpSize.height() > geometry().bottom())
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vpPos.setY(geometry().bottom() - vpSize.height());
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QRectF vpGeom(vpPos,vpSize);
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if(vpGeom != m_webViewport->geometry()) {
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// Should we center it here?
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m_webViewport->setGeometry(vpGeom);
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}
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}
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#ifdef Q_WS_MAEMO_5
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void WebContentViewWidget::onContextEventObject(QWebHitTestResult* hitTest, QPointF position) {
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if(m_webContentView->currentPageIsSuperPage()) {
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// Let the superpage handle the event.
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::WebViewEventContext *context = new ::WebViewEventContext(view()->type(), *hitTest);
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m_webContentView->currentSuperPage()->onContextEvent(context);
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}
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else {
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ContentViewContextMenu menu(hitTest, 0);
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menu.exec(position.toPoint());
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}
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}
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#endif
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QWebPage* WebContentViewWidget::page()
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{
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return m_webView->page();
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}
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void WebContentViewWidget::setPage(QWebPage* page)
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{
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QWebPage* oldPage = this->page();
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if(oldPage) {
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disconnect(this->page()->mainFrame(), SIGNAL(initialLayoutCompleted()), m_webViewport, SLOT(reset()));
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disconnect(this->page(), SIGNAL(restoreFrameStateRequested(QWebFrame*)), this, SLOT(restoreViewportFromHistory(QWebFrame*)));
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disconnect(this->page(), SIGNAL(saveFrameStateRequested(QWebFrame*,QWebHistoryItem*)), this, SLOT(saveViewportToHistory(QWebFrame*,QWebHistoryItem*)));
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disconnect(this->page()->mainFrame(), SIGNAL(contentsSizeChanged(const QSize &)), m_webViewport, SLOT(contentsSizeChanged(const QSize&)));
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disconnect(this->page(), SIGNAL(loadStarted()), m_webViewport, SLOT(pageLoadStarted()));
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disconnect(this->page(), SIGNAL(loadProgress(int)), m_webViewport, SLOT(pageLoadProgress(int)));
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disconnect(this->page(), SIGNAL(loadFinished(bool)), m_webViewport, SLOT(pageLoadFinished(bool)));
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}
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m_webViewport->setPage(page);
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connect(this->page()->mainFrame(), SIGNAL(initialLayoutCompleted()), m_webViewport, SLOT(reset()));
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connect(this->page(), SIGNAL(restoreFrameStateRequested(QWebFrame*)), this, SLOT(restoreViewportFromHistory(QWebFrame*)));
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connect(this->page(), SIGNAL(saveFrameStateRequested(QWebFrame*,QWebHistoryItem*)), this, SLOT(saveViewportToHistory(QWebFrame*,QWebHistoryItem*)));
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connect(this->page()->mainFrame(), SIGNAL(contentsSizeChanged(const QSize &)), m_webViewport, SLOT(contentsSizeChanged(const QSize&)));
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connect(this->page(), SIGNAL(loadStarted()), m_webViewport, SLOT(pageLoadStarted()));
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connect(this->page(), SIGNAL(loadProgress(int)), m_webViewport, SLOT(pageLoadProgress(int)));
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connect(this->page(), SIGNAL(loadFinished(bool)), m_webViewport, SLOT(pageLoadFinished(bool)));
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}
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QGraphicsWebView* WebContentViewWidget::webView() const
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{
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return m_webView;
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}
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QGraphicsWidget* WebContentViewWidget::viewPort() const
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{
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return m_webViewport;
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}
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WebPageData WebContentViewWidget::pageDataFromViewportInfo()
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{
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return m_webViewport->pageDataFromViewportInfo();
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}
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void WebContentViewWidget::setPageDataToViewportInfo(const WebPageData& data)
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{
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m_webViewport->setPageDataToViewportInfo(data);
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}
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WebPageData WebContentViewWidget::defaultZoomData()
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{
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return m_webViewport->defaultZoomData();
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}
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void WebContentViewWidget::setPageZoom(bool zoomIn)
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{
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Q_ASSERT(m_webViewport);
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m_webViewport->toggleZoom(zoomIn);
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}
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void WebContentViewWidget::showPage(bool isSuperPage)
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{
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if (!isSuperPage) {
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WRT::WrtBrowserContainer* wbc = WebPageController::getSingleton()->currentPage();
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setPage((QWebPage*)wbc); // static_cast here gives compiler error
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} else {
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//Its a super page
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m_webViewport->setSuperPage();
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}
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}
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void WebContentViewWidget::updatePreferredContentSize()
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{
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m_webViewport->updatePreferredContentSize();
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}
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void WebContentViewWidget::setGesturesEnabled(bool value)
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{
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m_webViewport->setGesturesEnabled(value);
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}
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bool WebContentViewWidget::gesturesEnabled()
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{
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return m_webViewport->gesturesEnabled();
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}
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void WebContentViewWidget::restoreViewportFromHistory(QWebFrame* frame)
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{
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WRT::WrtBrowserContainer* wbc = WebPageController::getSingleton()->currentPage();
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if(wbc->pageZoomMetaData()->isValid() && wbc->mainFrame() == frame) {
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WebPageData* d = wbc->pageZoomMetaData();
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m_webViewport->setPageDataToViewportInfo(*d);
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}
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}
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void WebContentViewWidget::saveViewportToHistory(QWebFrame* frame, QWebHistoryItem* item)
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{
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WRT::WrtBrowserContainer* wbc = WebPageController::getSingleton()->currentPage();
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if(wbc->mainFrame() == frame) {
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WebPageData d = m_webViewport->pageDataFromViewportInfo();
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if(d.isValid())
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item->setUserData(QVariant::fromValue(d));
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}
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}
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} // namespace GVA
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