WebKitTools/MiniBrowser/qt/BrowserWindow.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 17 Sep 2010 09:02:29 +0300
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/*
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 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
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 * Copyright (C) 2010 University of Szeged
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 *
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 *
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 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#include "BrowserWindow.h"
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#include <WebKit2/WKPageNamespace.h>
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#include <WebKit2/qwkpage.h>
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static QWKPage* createNewPage(QWKPage* page)
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{
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    return page;
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}
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BrowserView::BrowserView(QWidget* parent)
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    : QGraphicsView(parent)
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    , m_item(0)
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{
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    m_context.adopt(WKContextGetSharedProcessContext());
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    WKRetainPtr<WKPageNamespaceRef> pageNamespace(AdoptWK, WKPageNamespaceCreate(m_context.get()));
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    m_item = new QGraphicsWKView(pageNamespace.get(), QGraphicsWKView::Simple, 0);
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    setScene(new QGraphicsScene(this));
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    scene()->addItem(m_item);
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    setFrameShape(QFrame::NoFrame);
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    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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    connect(m_item, SIGNAL(titleChanged(QString)), this, SLOT(setWindowTitle(QString)));
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    m_item->page()->setCreateNewPageFunction(createNewPage);
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}
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void BrowserView::resizeEvent(QResizeEvent* event)
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{
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    QGraphicsView::resizeEvent(event);
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    QRectF rect(QPoint(0, 0), event->size());
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    m_item->setGeometry(rect);
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    scene()->setSceneRect(rect);
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}
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void BrowserView::load(const QUrl& url)
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{
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#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
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    return m_item->load(QUrl::fromUserInput(url.toString()));
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#else
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    return m_item->load(url);
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#endif
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}
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QGraphicsWKView* BrowserView::view() const
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{
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    return m_item;
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}
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BrowserWindow::BrowserWindow()
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{
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    m_menu = new QMenuBar();
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    m_browser = new BrowserView();
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    m_addressBar = new QLineEdit();
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    m_menu->addAction("Quit", this, SLOT(close()));
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    m_browser->setFocus(Qt::OtherFocusReason);
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    connect(m_addressBar, SIGNAL(returnPressed()), SLOT(changeLocation()));
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    connect(m_browser->view(), SIGNAL(loadProgress(int)), SLOT(loadProgress(int)));
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    connect(m_browser->view(), SIGNAL(titleChanged(const QString&)), SLOT(titleChanged(const QString&)));
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    connect(m_browser->view(), SIGNAL(urlChanged(const QUrl&)), SLOT(urlChanged(const QUrl&)));
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    QToolBar* bar = addToolBar("Navigation");
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    bar->addAction(m_browser->view()->page()->action(QWKPage::Back));
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    bar->addAction(m_browser->view()->page()->action(QWKPage::Forward));
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    bar->addAction(m_browser->view()->page()->action(QWKPage::Reload));
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    bar->addAction(m_browser->view()->page()->action(QWKPage::Stop));
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    bar->addWidget(m_addressBar);
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    this->setMenuBar(m_menu);
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    this->setCentralWidget(m_browser);
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    m_browser->setFocus(Qt::OtherFocusReason);
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}
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void BrowserWindow::load(const QString& url)
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{
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    m_addressBar->setText(url);
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    m_browser->load(QUrl(url));
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}
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void BrowserWindow::changeLocation()
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{
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    QString string = m_addressBar->text();
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    m_browser->load(string);
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}
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void BrowserWindow::loadProgress(int progress)
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{
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    QColor backgroundColor = QApplication::palette().color(QPalette::Base);
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    QColor progressColor = QColor(120, 180, 240);
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    QPalette pallete = m_addressBar->palette();
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    if (progress <= 0 || progress >= 100)
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        pallete.setBrush(QPalette::Base, backgroundColor);
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    else {
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        QLinearGradient gradient(0, 0, width(), 0);
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        gradient.setColorAt(0, progressColor);
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        gradient.setColorAt(((double) progress) / 100, progressColor);
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        if (progress != 100)
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            gradient.setColorAt((double) progress / 100 + 0.001, backgroundColor);
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        pallete.setBrush(QPalette::Base, gradient);
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    }
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    m_addressBar->setPalette(pallete);
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}
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void BrowserWindow::titleChanged(const QString& title)
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{
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    setWindowTitle(title);
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}
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void BrowserWindow::urlChanged(const QUrl& url)
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{
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    m_addressBar->setText(url.toString());
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}
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BrowserWindow::~BrowserWindow()
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{
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    delete m_addressBar;
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    delete m_browser;
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    delete m_menu;
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}