Remove DemoBrowser

[ChangeLog][Examples] Removed WebEngine Demo Browser example, which got
superseded by the improved WebEngine Widgets Simple Browser.

Task-number: QTBUG-59819
Change-Id: I214e6f5f3a946ed617a9f4d628d3259a69874ca1
Reviewed-by: Kai Koehne <kai.koehne@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 0 insertions, 1012 deletions

diff --git a/examples/webenginewidgets/demobrowser/tabwidget.cpp b/examples/webenginewidgets/demobrowser/tabwidget.cpp
deleted file mode 100644
index aa730d1b6..000000000
--- a/examples/webenginewidgets/demobrowser/tabwidget.cpp
+++ /dev/null
@@ -1,1012 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the demonstration applications of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-**   * Redistributions of source code must retain the above copyright
-**     notice, this list of conditions and the following disclaimer.
-**   * Redistributions in binary form must reproduce the above copyright
-**     notice, this list of conditions and the following disclaimer in
-**     the documentation and/or other materials provided with the
-**     distribution.
-**   * Neither the name of The Qt Company Ltd nor the names of its
-**     contributors may be used to endorse or promote products derived
-**     from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "tabwidget.h"
-
-#include "browserapplication.h"
-#include "browsermainwindow.h"
-#include "downloadmanager.h"
-#include "fullscreennotification.h"
-#include "history.h"
-#include "savepagedialog.h"
-#include "urllineedit.h"
-#include "webview.h"
-
-#include <QWebEngineDownloadItem>
-#include <QWebEngineProfile>
-#include <QWebEngineFullScreenRequest>
-#include <QtCore/QMimeData>
-#include <QtGui/QClipboard>
-#include <QtWidgets/QCompleter>
-#include <QtWidgets/QListView>
-#include <QtWidgets/QMenu>
-#include <QtWidgets/QMessageBox>
-#include <QtGui/QDrag>
-#include <QtGui/QMouseEvent>
-#include <QtWidgets/QStackedWidget>
-#include <QtWidgets/QStyle>
-#include <QtWidgets/QToolButton>
-
-#include <QtCore/QDebug>
-
-TabBar::TabBar(QWidget *parent)
-    : QTabBar(parent)
-{
-    setContextMenuPolicy(Qt::CustomContextMenu);
-    setAcceptDrops(true);
-    connect(this, SIGNAL(customContextMenuRequested(QPoint)),
-            this, SLOT(contextMenuRequested(QPoint)));
-
-    QString ctrl = QLatin1String("Ctrl+%1");
-    for (int i = 1; i < 10; ++i) {
-        QShortcut *shortCut = new QShortcut(ctrl.arg(i), this);
-        m_tabShortcuts.append(shortCut);
-        connect(shortCut, SIGNAL(activated()), this, SLOT(selectTabAction()));
-    }
-    setTabsClosable(true);
-    connect(this, SIGNAL(tabCloseRequested(int)),
-            this, SIGNAL(closeTab(int)));
-    setSelectionBehaviorOnRemove(QTabBar::SelectPreviousTab);
-    setMovable(true);
-}
-
-void TabBar::selectTabAction()
-{
-    if (QShortcut *shortCut = qobject_cast<QShortcut*>(sender())) {
-        int index = m_tabShortcuts.indexOf(shortCut);
-        setCurrentIndex(index);
-    }
-}
-
-void TabBar::contextMenuRequested(const QPoint &position)
-{
-    QMenu menu;
-    menu.addAction(tr("New &Tab"), this, SIGNAL(newTab()), QKeySequence::AddTab);
-    int index = tabAt(position);
-    if (-1 != index) {
-        QAction *action = menu.addAction(tr("Clone Tab"),
-                this, SLOT(cloneTab()));
-        action->setData(index);
-
-        menu.addSeparator();
-
-        action = menu.addAction(tr("&Close Tab"),
-                this, SLOT(closeTab()), QKeySequence::Close);
-        action->setData(index);
-
-        action = menu.addAction(tr("Close &Other Tabs"),
-                this, SLOT(closeOtherTabs()));
-        action->setData(index);
-
-        menu.addSeparator();
-
-        action = menu.addAction(tr("Reload Tab"),
-                this, SLOT(reloadTab()), QKeySequence::Refresh);
-        action->setData(index);
-
-        // Audio mute / unmute.
-        action = menu.addAction(tr("Mute tab"),
-                this, SLOT(muteTab()));
-        action->setData(index);
-
-        action = menu.addAction(tr("Unmute tab"),
-                this, SLOT(unmuteTab()));
-        action->setData(index);
-    } else {
-        menu.addSeparator();
-    }
-    menu.addAction(tr("Reload All Tabs"), this, SIGNAL(reloadAllTabs()));
-    menu.exec(QCursor::pos());
-}
-
-void TabBar::cloneTab()
-{
-    if (QAction *action = qobject_cast<QAction*>(sender())) {
-        int index = action->data().toInt();
-        emit cloneTab(index);
-    }
-}
-
-void TabBar::closeTab()
-{
-    if (QAction *action = qobject_cast<QAction*>(sender())) {
-        int index = action->data().toInt();
-        emit closeTab(index);
-    }
-}
-
-void TabBar::closeOtherTabs()
-{
-    if (QAction *action = qobject_cast<QAction*>(sender())) {
-        int index = action->data().toInt();
-        emit closeOtherTabs(index);
-    }
-}
-
-void TabBar::mousePressEvent(QMouseEvent *event)
-{
-    if (event->button() == Qt::LeftButton)
-        m_dragStartPos = event->pos();
-
-    QTabBar::mousePressEvent(event);
-
-    // Middle click on tab should close it.
-    if (event->button() == Qt::MiddleButton) {
-        const QPoint pos = event->pos();
-        int index = tabAt(pos);
-        if (index != -1) {
-            emit closeTab(index);
-        }
-    }
-}
-
-void TabBar::mouseMoveEvent(QMouseEvent *event)
-{
-    if (event->buttons() == Qt::LeftButton) {
-        int diffX = event->pos().x() - m_dragStartPos.x();
-        int diffY = event->pos().y() - m_dragStartPos.y();
-        if ((event->pos() - m_dragStartPos).manhattanLength() > QApplication::startDragDistance()
-            && diffX < 3 && diffX > -3
-            && diffY < -10) {
-            QDrag *drag = new QDrag(this);
-            QMimeData *mimeData = new QMimeData;
-            QList<QUrl> urls;
-            int index = tabAt(event->pos());
-            QUrl url = tabData(index).toUrl();
-            urls.append(url);
-            mimeData->setUrls(urls);
-            mimeData->setText(tabText(index));
-            mimeData->setData(QLatin1String("action"), "tab-reordering");
-            drag->setMimeData(mimeData);
-            drag->exec();
-        }
-    }
-    QTabBar::mouseMoveEvent(event);
-}
-
-// When index is -1 index chooses the current tab
-void TabWidget::reloadTab(int index)
-{
-    if (index < 0)
-        index = currentIndex();
-    if (index < 0 || index >= count())
-        return;
-
-    QWidget *widget = this->widget(index);
-    if (WebView *tab = qobject_cast<WebView*>(widget))
-        tab->reload();
-}
-
-void TabBar::reloadTab()
-{
-    if (QAction *action = qobject_cast<QAction*>(sender())) {
-        int index = action->data().toInt();
-        emit reloadTab(index);
-    }
-}
-
-void TabBar::muteTab()
-{
-    if (QAction *action = qobject_cast<QAction*>(sender())) {
-        int index = action->data().toInt();
-        emit muteTab(index, true);
-    }
-}
-
-void TabBar::unmuteTab()
-{
-    if (QAction *action = qobject_cast<QAction*>(sender())) {
-        int index = action->data().toInt();
-        emit muteTab(index, false);
-    }
-}
-
-TabWidget::TabWidget(QWidget *parent)
-    : QTabWidget(parent)
-    , m_recentlyClosedTabsAction(0)
-    , m_newTabAction(0)
-    , m_closeTabAction(0)
-    , m_nextTabAction(0)
-    , m_previousTabAction(0)
-    , m_recentlyClosedTabsMenu(0)
-    , m_lineEditCompleter(0)
-    , m_lineEdits(0)
-    , m_tabBar(new TabBar(this))
-    , m_profile(QWebEngineProfile::defaultProfile())
-    , m_fullScreenView(0)
-    , m_fullScreenNotification(0)
-{
-    setElideMode(Qt::ElideRight);
-
-    connect(m_tabBar, SIGNAL(newTab()), this, SLOT(newTab()));
-    connect(m_tabBar, SIGNAL(closeTab(int)), this, SLOT(requestCloseTab(int)));
-    connect(m_tabBar, SIGNAL(cloneTab(int)), this, SLOT(cloneTab(int)));
-    connect(m_tabBar, SIGNAL(closeOtherTabs(int)), this, SLOT(closeOtherTabs(int)));
-    connect(m_tabBar, SIGNAL(reloadTab(int)), this, SLOT(reloadTab(int)));
-    connect(m_tabBar, SIGNAL(reloadAllTabs()), this, SLOT(reloadAllTabs()));
-    connect(m_tabBar, SIGNAL(tabMoved(int,int)), this, SLOT(moveTab(int,int)));
-    connect(m_tabBar, SIGNAL(tabBarDoubleClicked(int)), this, SLOT(handleTabBarDoubleClicked(int)));
-    connect(m_tabBar, SIGNAL(muteTab(int,bool)), this, SLOT(setAudioMutedForTab(int,bool)));
-    setTabBar(m_tabBar);
-    setDocumentMode(true);
-
-    // Actions
-    m_newTabAction = new QAction(QIcon(QLatin1String(":addtab.png")), tr("New &Tab"), this);
-    m_newTabAction->setShortcuts(QKeySequence::AddTab);
-    m_newTabAction->setIconVisibleInMenu(false);
-    connect(m_newTabAction, SIGNAL(triggered()), this, SLOT(newTab()));
-
-    m_closeTabAction = new QAction(QIcon(QLatin1String(":closetab.png")), tr("&Close Tab"), this);
-    m_closeTabAction->setShortcuts(QKeySequence::Close);
-    m_closeTabAction->setIconVisibleInMenu(false);
-    connect(m_closeTabAction, SIGNAL(triggered()), this, SLOT(requestCloseTab()));
-
-    m_nextTabAction = new QAction(tr("Show Next Tab"), this);
-    QList<QKeySequence> shortcuts;
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceRight));
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageDown));
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BracketRight));
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Less));
-    m_nextTabAction->setShortcuts(shortcuts);
-    connect(m_nextTabAction, SIGNAL(triggered()), this, SLOT(nextTab()));
-
-    m_previousTabAction = new QAction(tr("Show Previous Tab"), this);
-    shortcuts.clear();
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceLeft));
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageUp));
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BracketLeft));
-    shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Greater));
-    m_previousTabAction->setShortcuts(shortcuts);
-    connect(m_previousTabAction, SIGNAL(triggered()), this, SLOT(previousTab()));
-
-    m_recentlyClosedTabsMenu = new QMenu(this);
-    connect(m_recentlyClosedTabsMenu, SIGNAL(aboutToShow()),
-            this, SLOT(aboutToShowRecentTabsMenu()));
-    connect(m_recentlyClosedTabsMenu, SIGNAL(triggered(QAction*)),
-            this, SLOT(aboutToShowRecentTriggeredAction(QAction*)));
-    m_recentlyClosedTabsAction = new QAction(tr("Recently Closed Tabs"), this);
-    m_recentlyClosedTabsAction->setMenu(m_recentlyClosedTabsMenu);
-    m_recentlyClosedTabsAction->setEnabled(false);
-
-    connect(this, SIGNAL(currentChanged(int)),
-            this, SLOT(currentChanged(int)));
-
-    m_lineEdits = new QStackedWidget(this);
-}
-
-TabWidget::~TabWidget()
-{
-    if (m_fullScreenView)
-        delete m_fullScreenView;
-}
-
-void TabWidget::clear()
-{
-    // clear the recently closed tabs
-    m_recentlyClosedTabs.clear();
-    // clear the line edit history
-    for (int i = 0; i < m_lineEdits->count(); ++i) {
-        QLineEdit *qLineEdit = lineEdit(i);
-        qLineEdit->setText(qLineEdit->text());
-    }
-}
-
-void TabWidget::moveTab(int fromIndex, int toIndex)
-{
-    QWidget *lineEdit = m_lineEdits->widget(fromIndex);
-    m_lineEdits->removeWidget(lineEdit);
-    m_lineEdits->insertWidget(toIndex, lineEdit);
-}
-
-void TabWidget::setAudioMutedForTab(int index, bool mute)
-{
-    if (index < 0)
-        index = currentIndex();
-    if (index < 0 || index >= count())
-        return;
-
-    QWidget *widget = this->widget(index);
-    if (WebView *tab = qobject_cast<WebView*>(widget))
-        tab->page()->setAudioMuted(mute);
-}
-
-void TabWidget::addWebAction(QAction *action, QWebEnginePage::WebAction webAction)
-{
-    if (!action)
-        return;
-    m_actions.append(new WebActionMapper(action, webAction, this));
-}
-
-void TabWidget::currentChanged(int index)
-{
-    WebView *webView = this->webView(index);
-    if (!webView)
-        return;
-
-    Q_ASSERT(m_lineEdits->count() == count());
-
-    WebView *oldWebView = this->webView(m_lineEdits->currentIndex());
-    if (oldWebView) {
-#if defined(QWEBENGINEVIEW_STATUSBARMESSAGE)
-        disconnect(oldWebView, SIGNAL(statusBarMessage(QString)),
-                this, SIGNAL(showStatusBarMessage(QString)));
-#endif
-        disconnect(oldWebView->page(), SIGNAL(linkHovered(const QString&)),
-                this, SIGNAL(linkHovered(const QString&)));
-        disconnect(oldWebView, SIGNAL(loadProgress(int)),
-                this, SIGNAL(loadProgress(int)));
-        disconnect(oldWebView->page()->profile(), SIGNAL(downloadRequested(QWebEngineDownloadItem*)),
-                this, SLOT(downloadRequested(QWebEngineDownloadItem*)));
-        disconnect(oldWebView->page(), SIGNAL(fullScreenRequested(QWebEngineFullScreenRequest)),
-                this, SLOT(fullScreenRequested(QWebEngineFullScreenRequest)));
-    }
-
-#if defined(QWEBENGINEVIEW_STATUSBARMESSAGE)
-    connect(webView, SIGNAL(statusBarMessage(QString)),
-            this, SIGNAL(showStatusBarMessage(QString)));
-#endif
-    connect(webView->page(), SIGNAL(linkHovered(const QString&)),
-            this, SIGNAL(linkHovered(const QString&)));
-    connect(webView, SIGNAL(loadProgress(int)),
-            this, SIGNAL(loadProgress(int)));
-    connect(webView->page()->profile(), SIGNAL(downloadRequested(QWebEngineDownloadItem*)),
-            this, SLOT(downloadRequested(QWebEngineDownloadItem*)));
-    connect(webView->page(), SIGNAL(fullScreenRequested(QWebEngineFullScreenRequest)),
-            this, SLOT(fullScreenRequested(QWebEngineFullScreenRequest)));
-
-    for (int i = 0; i < m_actions.count(); ++i) {
-        WebActionMapper *mapper = m_actions[i];
-        mapper->updateCurrent(webView->page());
-    }
-    emit setCurrentTitle(webView->title());
-    m_lineEdits->setCurrentIndex(index);
-    emit loadProgress(webView->progress());
-    emit showStatusBarMessage(webView->lastStatusBarText());
-    if (webView->url().isEmpty())
-        m_lineEdits->currentWidget()->setFocus();
-    else
-        webView->setFocus();
-}
-
-void TabWidget::fullScreenRequested(QWebEngineFullScreenRequest request)
-{
-    WebPage *webPage = qobject_cast<WebPage*>(sender());
-    if (request.toggleOn()) {
-        if (!m_fullScreenView) {
-            m_fullScreenView = new QWebEngineView();
-            m_fullScreenNotification = new FullScreenNotification(m_fullScreenView);
-
-            QAction *exitFullScreenAction = new QAction(m_fullScreenView);
-            exitFullScreenAction->setShortcut(Qt::Key_Escape);
-            connect(exitFullScreenAction, &QAction::triggered, [webPage] {
-                webPage->triggerAction(QWebEnginePage::ExitFullScreen);
-            });
-            m_fullScreenView->addAction(exitFullScreenAction);
-        }
-        m_oldWindowGeometry = window()->geometry();
-        m_fullScreenView->setGeometry(m_oldWindowGeometry);
-        webPage->setView(m_fullScreenView);
-        request.accept();
-        m_fullScreenView->showFullScreen();
-        m_fullScreenNotification->show();
-        window()->hide();
-    } else {
-        if (!m_fullScreenView)
-            return;
-        WebView *oldWebView = this->webView(m_lineEdits->currentIndex());
-        webPage->setView(oldWebView);
-        request.accept();
-        delete m_fullScreenView;
-        m_fullScreenView = 0;
-        window()->show();
-        window()->setGeometry(m_oldWindowGeometry);
-    }
-}
-
-void TabWidget::handleTabBarDoubleClicked(int index)
-{
-    if (index != -1) return;
-    newTab();
-}
-
-QAction *TabWidget::newTabAction() const
-{
-    return m_newTabAction;
-}
-
-QAction *TabWidget::closeTabAction() const
-{
-    return m_closeTabAction;
-}
-
-QAction *TabWidget::recentlyClosedTabsAction() const
-{
-    return m_recentlyClosedTabsAction;
-}
-
-QAction *TabWidget::nextTabAction() const
-{
-    return m_nextTabAction;
-}
-
-QAction *TabWidget::previousTabAction() const
-{
-    return m_previousTabAction;
-}
-
-QWidget *TabWidget::lineEditStack() const
-{
-    return m_lineEdits;
-}
-
-QLineEdit *TabWidget::currentLineEdit() const
-{
-    return lineEdit(m_lineEdits->currentIndex());
-}
-
-WebView *TabWidget::currentWebView() const
-{
-    return webView(currentIndex());
-}
-
-QLineEdit *TabWidget::lineEdit(int index) const
-{
-    UrlLineEdit *urlLineEdit = qobject_cast<UrlLineEdit*>(m_lineEdits->widget(index));
-    if (urlLineEdit)
-        return urlLineEdit->lineEdit();
-    return 0;
-}
-
-WebView *TabWidget::webView(int index) const
-{
-    QWidget *widget = this->widget(index);
-    if (WebView *webView = qobject_cast<WebView*>(widget)) {
-        return webView;
-    } else {
-        // optimization to delay creating the first webview
-        if (count() == 1) {
-            TabWidget *that = const_cast<TabWidget*>(this);
-            that->setUpdatesEnabled(false);
-            that->newTab();
-            that->closeTab(0);
-            that->setUpdatesEnabled(true);
-            return currentWebView();
-        }
-    }
-    return 0;
-}
-
-int TabWidget::webViewIndex(WebView *webView) const
-{
-    int index = indexOf(webView);
-    return index;
-}
-
-void TabWidget::setupPage(QWebEnginePage* page)
-{
-    connect(page, SIGNAL(windowCloseRequested()),
-            this, SLOT(windowCloseRequested()));
-    connect(page, SIGNAL(geometryChangeRequested(QRect)),
-            this, SIGNAL(geometryChangeRequested(QRect)));
-#if defined(QWEBENGINEPAGE_PRINTREQUESTED)
-    connect(page, SIGNAL(printRequested(QWebEngineFrame*)),
-            this, SIGNAL(printRequested(QWebEngineFrame*)));
-#endif
-#if defined(QWEBENGINEPAGE_MENUBARVISIBILITYCHANGEREQUESTED)
-    connect(page, SIGNAL(menuBarVisibilityChangeRequested(bool)),
-            this, SIGNAL(menuBarVisibilityChangeRequested(bool)));
-#endif
-#if defined(QWEBENGINEPAGE_STATUSBARVISIBILITYCHANGEREQUESTED)
-    connect(page, SIGNAL(statusBarVisibilityChangeRequested(bool)),
-            this, SIGNAL(statusBarVisibilityChangeRequested(bool)));
-#endif
-#if defined(QWEBENGINEPAGE_TOOLBARVISIBILITYCHANGEREQUESTED)
-    connect(page, SIGNAL(toolBarVisibilityChangeRequested(bool)),
-            this, SIGNAL(toolBarVisibilityChangeRequested(bool)));
-#endif
-
-    // webview actions
-    for (int i = 0; i < m_actions.count(); ++i) {
-        WebActionMapper *mapper = m_actions[i];
-        mapper->addChild(page->action(mapper->webAction()));
-    }
-}
-
-WebView *TabWidget::newTab(bool makeCurrent)
-{
-    // line edit
-    UrlLineEdit *urlLineEdit = new UrlLineEdit;
-    QLineEdit *lineEdit = urlLineEdit->lineEdit();
-    if (!m_lineEditCompleter && count() > 0) {
-        HistoryCompletionModel *completionModel = new HistoryCompletionModel(this);
-        completionModel->setSourceModel(BrowserApplication::historyManager()->historyFilterModel());
-        m_lineEditCompleter = new QCompleter(completionModel, this);
-        // Should this be in Qt by default?
-        QAbstractItemView *popup = m_lineEditCompleter->popup();
-        QListView *listView = qobject_cast<QListView*>(popup);
-        if (listView)
-            listView->setUniformItemSizes(true);
-    }
-    lineEdit->setCompleter(m_lineEditCompleter);
-    connect(lineEdit, SIGNAL(returnPressed()), this, SLOT(lineEditReturnPressed()));
-    m_lineEdits->addWidget(urlLineEdit);
-    m_lineEdits->setSizePolicy(lineEdit->sizePolicy());
-
-    // optimization to delay creating the more expensive WebView, history, etc
-    if (count() == 0) {
-        QWidget *emptyWidget = new QWidget;
-        QPalette p = emptyWidget->palette();
-        p.setColor(QPalette::Window, palette().color(QPalette::Base));
-        emptyWidget->setPalette(p);
-        emptyWidget->setAutoFillBackground(true);
-        disconnect(this, SIGNAL(currentChanged(int)),
-            this, SLOT(currentChanged(int)));
-        addTab(emptyWidget, tr("(Untitled)"));
-        connect(this, SIGNAL(currentChanged(int)),
-            this, SLOT(currentChanged(int)));
-        return 0;
-    }
-
-    // webview
-    WebView *webView = new WebView;
-    webView->setPage(new WebPage(m_profile, webView));
-    urlLineEdit->setWebView(webView);
-    connect(webView, SIGNAL(loadStarted()),
-            this, SLOT(webViewLoadStarted()));
-    connect(webView, SIGNAL(iconChanged(QIcon)),
-            this, SLOT(webViewIconChanged(QIcon)));
-    connect(webView, SIGNAL(titleChanged(QString)),
-            this, SLOT(webViewTitleChanged(QString)));
-    connect(webView->page(), SIGNAL(audioMutedChanged(bool)),
-            this, SLOT(webPageMutedOrAudibleChanged()));
-    connect(webView->page(), SIGNAL(recentlyAudibleChanged(bool)),
-            this, SLOT(webPageMutedOrAudibleChanged()));
-    connect(webView, SIGNAL(urlChanged(QUrl)),
-            this, SLOT(webViewUrlChanged(QUrl)));
-
-
-    addTab(webView, tr("(Untitled)"));
-    if (makeCurrent)
-        setCurrentWidget(webView);
-
-    setupPage(webView->page());
-
-    if (count() == 1)
-        currentChanged(currentIndex());
-    emit tabsChanged();
-    return webView;
-}
-
-void TabWidget::reloadAllTabs()
-{
-    for (int i = 0; i < count(); ++i) {
-        QWidget *tabWidget = widget(i);
-        if (WebView *tab = qobject_cast<WebView*>(tabWidget)) {
-            tab->reload();
-        }
-    }
-}
-
-void TabWidget::lineEditReturnPressed()
-{
-    if (QLineEdit *lineEdit = qobject_cast<QLineEdit*>(sender())) {
-        emit loadPage(lineEdit->text());
-        if (m_lineEdits->currentWidget() == lineEdit)
-            currentWebView()->setFocus();
-    }
-}
-
-void TabWidget::windowCloseRequested()
-{
-    WebPage *webPage = qobject_cast<WebPage*>(sender());
-    WebView *webView = qobject_cast<WebView*>(webPage->view());
-    int index = webViewIndex(webView);
-    if (index >= 0)
-        closeTab(index);
-}
-
-void TabWidget::closeOtherTabs(int index)
-{
-    if (-1 == index)
-        return;
-    for (int i = count() - 1; i > index; --i)
-        closeTab(i);
-    for (int i = index - 1; i >= 0; --i)
-        closeTab(i);
-}
-
-// When index is -1 index chooses the current tab
-void TabWidget::cloneTab(int index)
-{
-    if (index < 0)
-        index = currentIndex();
-    if (index < 0 || index >= count())
-        return;
-    WebView *tab = newTab(false);
-    tab->setUrl(webView(index)->url());
-}
-
-// When index is -1 index chooses the current tab
-void TabWidget::requestCloseTab(int index)
-{
-    if (index < 0)
-        index = currentIndex();
-    if (index < 0 || index >= count())
-        return;
-    WebView *tab = webView(index);
-    if (!tab)
-        return;
-    tab->page()->triggerAction(QWebEnginePage::RequestClose);
-}
-
-void TabWidget::closeTab(int index)
-{
-    if (index < 0 || index >= count())
-        return;
-
-    bool hasFocus = false;
-    if (WebView *tab = webView(index)) {
-        hasFocus = tab->hasFocus();
-
-        if (m_profile == QWebEngineProfile::defaultProfile()) {
-            m_recentlyClosedTabsAction->setEnabled(true);
-            m_recentlyClosedTabs.prepend(tab->url());
-            if (m_recentlyClosedTabs.size() >= TabWidget::m_recentlyClosedTabsSize)
-                m_recentlyClosedTabs.removeLast();
-        }
-    }
-    QWidget *lineEdit = m_lineEdits->widget(index);
-    m_lineEdits->removeWidget(lineEdit);
-    lineEdit->deleteLater();
-    QWidget *webView = widget(index);
-    removeTab(index);
-    webView->deleteLater();
-    emit tabsChanged();
-    if (hasFocus && count() > 0)
-        currentWebView()->setFocus();
-    if (count() == 0)
-        emit lastTabClosed();
-}
-
-void TabWidget::setProfile(QWebEngineProfile *profile)
-{
-    m_profile = profile;
-    for (int i = 0; i < count(); ++i) {
-        QWidget *tabWidget = widget(i);
-        if (WebView *tab = qobject_cast<WebView*>(tabWidget)) {
-            WebPage* webPage = new WebPage(m_profile, tab);
-            setupPage(webPage);
-            webPage->load(tab->page()->url());
-            tab->setPage(webPage);
-        }
-    }
-}
-
-void TabWidget::webViewLoadStarted()
-{
-    WebView *webView = qobject_cast<WebView*>(sender());
-    int index = webViewIndex(webView);
-    if (-1 != index) {
-        QIcon icon(QLatin1String(":loading.gif"));
-        setTabIcon(index, icon);
-    }
-}
-
-void TabWidget::webViewIconChanged(const QIcon &icon)
-{
-    WebView *webView = qobject_cast<WebView*>(sender());
-    int index = webViewIndex(webView);
-    if (-1 != index)
-        setTabIcon(index, icon);
-}
-
-void TabWidget::webViewTitleChanged(const QString &title)
-{
-    WebView *webView = qobject_cast<WebView*>(sender());
-    int index = webViewIndex(webView);
-    if (-1 != index) {
-        setTabText(index, title);
-    }
-    if (currentIndex() == index)
-        emit setCurrentTitle(title);
-    BrowserApplication::historyManager()->updateHistoryItem(webView->url(), title);
-}
-
-void TabWidget::webPageMutedOrAudibleChanged() {
-    QWebEnginePage* webPage = qobject_cast<QWebEnginePage*>(sender());
-    WebView *webView = qobject_cast<WebView*>(webPage->view());
-
-    int index = webViewIndex(webView);
-    if (-1 != index) {
-        QString title = webView->title();
-
-        bool muted = webPage->isAudioMuted();
-        bool audible = webPage->recentlyAudible();
-        if (muted) title += tr(" (muted)");
-        else if (audible) title += tr(" (audible)");
-
-        setTabText(index, title);
-    }
-}
-
-void TabWidget::webViewUrlChanged(const QUrl &url)
-{
-    WebView *webView = qobject_cast<WebView*>(sender());
-    int index = webViewIndex(webView);
-    if (-1 != index) {
-        m_tabBar->setTabData(index, url);
-        HistoryManager *manager = BrowserApplication::historyManager();
-        if (url.isValid())
-            manager->addHistoryEntry(url.toString());
-    }
-    emit tabsChanged();
-}
-
-void TabWidget::aboutToShowRecentTabsMenu()
-{
-    m_recentlyClosedTabsMenu->clear();
-    for (int i = 0; i < m_recentlyClosedTabs.count(); ++i) {
-        QAction *action = new QAction(m_recentlyClosedTabsMenu);
-        action->setData(m_recentlyClosedTabs.at(i));
-        QIcon icon = BrowserApplication::instance()->icon(m_recentlyClosedTabs.at(i));
-        action->setIcon(icon);
-        action->setText(m_recentlyClosedTabs.at(i).toString());
-        m_recentlyClosedTabsMenu->addAction(action);
-    }
-}
-
-void TabWidget::aboutToShowRecentTriggeredAction(QAction *action)
-{
-    QUrl url = action->data().toUrl();
-    loadUrlInCurrentTab(url);
-}
-
-void TabWidget::mouseDoubleClickEvent(QMouseEvent *event)
-{
-    if (!childAt(event->pos())
-            // Remove the line below when QTabWidget does not have a one pixel frame
-            && event->pos().y() < (tabBar()->y() + tabBar()->height())) {
-        newTab();
-        return;
-    }
-    QTabWidget::mouseDoubleClickEvent(event);
-}
-
-void TabWidget::contextMenuEvent(QContextMenuEvent *event)
-{
-    if (!childAt(event->pos())) {
-        m_tabBar->contextMenuRequested(event->pos());
-        return;
-    }
-    QTabWidget::contextMenuEvent(event);
-}
-
-void TabWidget::mouseReleaseEvent(QMouseEvent *event)
-{
-    if (event->button() == Qt::MidButton && !childAt(event->pos())
-            // Remove the line below when QTabWidget does not have a one pixel frame
-            && event->pos().y() < (tabBar()->y() + tabBar()->height())) {
-        QUrl url(QApplication::clipboard()->text(QClipboard::Selection));
-        if (!url.isEmpty() && url.isValid() && !url.scheme().isEmpty()) {
-            WebView *webView = newTab();
-            webView->setUrl(url);
-        }
-    }
-}
-
-void TabWidget::loadUrlInCurrentTab(const QUrl &url)
-{
-    WebView *webView = currentWebView();
-    if (webView) {
-        webView->loadUrl(url);
-        webView->setFocus();
-    }
-}
-
-void TabWidget::nextTab()
-{
-    int next = currentIndex() + 1;
-    if (next == count())
-        next = 0;
-    setCurrentIndex(next);
-}
-
-void TabWidget::previousTab()
-{
-    int next = currentIndex() - 1;
-    if (next < 0)
-        next = count() - 1;
-    setCurrentIndex(next);
-}
-
-static const qint32 TabWidgetMagic = 0xaa;
-
-QByteArray TabWidget::saveState() const
-{
-    int version = 1;
-    QByteArray data;
-    QDataStream stream(&data, QIODevice::WriteOnly);
-
-    stream << qint32(TabWidgetMagic);
-    stream << qint32(version);
-
-    QStringList tabs;
-    for (int i = 0; i < count(); ++i) {
-        if (WebView *tab = qobject_cast<WebView*>(widget(i))) {
-            tabs.append(tab->url().toString());
-        } else {
-            tabs.append(QString());
-        }
-    }
-    stream << tabs;
-    stream << currentIndex();
-    return data;
-}
-
-bool TabWidget::restoreState(const QByteArray &state)
-{
-    int version = 1;
-    QByteArray sd = state;
-    QDataStream stream(&sd, QIODevice::ReadOnly);
-    if (stream.atEnd())
-        return false;
-
-    qint32 marker;
-    qint32 v;
-    stream >> marker;
-    stream >> v;
-    if (marker != TabWidgetMagic || v != version)
-        return false;
-
-    QStringList openTabs;
-    stream >> openTabs;
-
-    for (int i = 0; i < openTabs.count(); ++i) {
-        if (i != 0)
-            newTab();
-        loadPage(openTabs.at(i));
-    }
-
-    int currentTab;
-    stream >> currentTab;
-    setCurrentIndex(currentTab);
-
-    return true;
-}
-
-void TabWidget::downloadRequested(QWebEngineDownloadItem *download)
-{
-    if (download->savePageFormat() != QWebEngineDownloadItem::UnknownSaveFormat) {
-        SavePageDialog dlg(this, download->savePageFormat(), download->path());
-        if (dlg.exec() != SavePageDialog::Accepted)
-            return;
-        download->setSavePageFormat(dlg.pageFormat());
-        download->setPath(dlg.filePath());
-    }
-
-    BrowserApplication::downloadManager()->download(download);
-    download->accept();
-}
-
-WebActionMapper::WebActionMapper(QAction *root, QWebEnginePage::WebAction webAction, QObject *parent)
-    : QObject(parent)
-    , m_currentParent(0)
-    , m_root(root)
-    , m_webAction(webAction)
-{
-    if (!m_root)
-        return;
-    connect(m_root, SIGNAL(triggered()), this, SLOT(rootTriggered()));
-    connect(root, SIGNAL(destroyed(QObject*)), this, SLOT(rootDestroyed()));
-    root->setEnabled(false);
-}
-
-void WebActionMapper::rootDestroyed()
-{
-    m_root = 0;
-}
-
-void WebActionMapper::currentDestroyed()
-{
-    updateCurrent(0);
-}
-
-void WebActionMapper::addChild(QAction *action)
-{
-    if (!action)
-        return;
-    connect(action, SIGNAL(changed()), this, SLOT(childChanged()));
-}
-
-QWebEnginePage::WebAction WebActionMapper::webAction() const
-{
-    return m_webAction;
-}
-
-void WebActionMapper::rootTriggered()
-{
-    if (m_currentParent) {
-        QAction *gotoAction = m_currentParent->action(m_webAction);
-        gotoAction->trigger();
-    }
-}
-
-void WebActionMapper::childChanged()
-{
-    if (QAction *source = qobject_cast<QAction*>(sender())) {
-        if (m_root
-            && m_currentParent
-            && source->parent() == m_currentParent) {
-            m_root->setChecked(source->isChecked());
-            m_root->setEnabled(source->isEnabled());
-        }
-    }
-}
-
-void WebActionMapper::updateCurrent(QWebEnginePage *currentParent)
-{
-    if (m_currentParent)
-        disconnect(m_currentParent, SIGNAL(destroyed(QObject*)),
-                   this, SLOT(currentDestroyed()));
-
-    m_currentParent = currentParent;
-    if (!m_root)
-        return;
-    if (!m_currentParent) {
-        m_root->setEnabled(false);
-        m_root->setChecked(false);
-        return;
-    }
-    QAction *source = m_currentParent->action(m_webAction);
-    m_root->setChecked(source->isChecked());
-    m_root->setEnabled(source->isEnabled());
-    connect(m_currentParent, SIGNAL(destroyed(QObject*)),
-            this, SLOT(currentDestroyed()));
-}