1 /*

     2  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)

     3  * Copyright (C) 2010 University of Szeged

     4  *

     5  * All rights reserved.

     6  *

     7  * Redistribution and use in source and binary forms, with or without

     8  * modification, are permitted provided that the following conditions

     9  * are met:

    10  * 1. Redistributions of source code must retain the above copyright

    11  *    notice, this list of conditions and the following disclaimer.

    12  * 2. Redistributions in binary form must reproduce the above copyright

    13  *    notice, this list of conditions and the following disclaimer in the

    14  *    documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    27  */

    28 

    29 #include "BrowserWindow.h"

    30 #include <WebKit2/WKPageNamespace.h>

    31 #include <WebKit2/qwkpage.h>

    32 

    33 static QWKPage* createNewPage(QWKPage* page)

    34 {

    35     return page;

    36 }

    37 

    38 BrowserView::BrowserView(QWidget* parent)

    39     : QGraphicsView(parent)

    40     , m_item(0)

    41 {

    42     m_context.adopt(WKContextGetSharedProcessContext());

    43 

    44     WKRetainPtr<WKPageNamespaceRef> pageNamespace(AdoptWK, WKPageNamespaceCreate(m_context.get()));

    45 

    46     m_item = new QGraphicsWKView(pageNamespace.get(), QGraphicsWKView::Simple, 0);

    47     setScene(new QGraphicsScene(this));

    48     scene()->addItem(m_item);

    49 

    50     setFrameShape(QFrame::NoFrame);

    51     setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

    52     setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);

    53 

    54     connect(m_item, SIGNAL(titleChanged(QString)), this, SLOT(setWindowTitle(QString)));

    55     m_item->page()->setCreateNewPageFunction(createNewPage);

    56 }

    57 

    58 void BrowserView::resizeEvent(QResizeEvent* event)

    59 {

    60     QGraphicsView::resizeEvent(event);

    61     QRectF rect(QPoint(0, 0), event->size());

    62     m_item->setGeometry(rect);

    63     scene()->setSceneRect(rect);

    64 }

    65 

    66 void BrowserView::load(const QUrl& url)

    67 {

    68 #if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)

    69     return m_item->load(QUrl::fromUserInput(url.toString()));

    70 #else

    71     return m_item->load(url);

    72 #endif

    73 }

    74 

    75 QGraphicsWKView* BrowserView::view() const

    76 {

    77     return m_item;

    78 }

    79 

    80 BrowserWindow::BrowserWindow()

    81 {

    82     m_menu = new QMenuBar();

    83     m_browser = new BrowserView();

    84     m_addressBar = new QLineEdit();

    85 

    86     m_menu->addAction("Quit", this, SLOT(close()));

    87 

    88     m_browser->setFocus(Qt::OtherFocusReason);

    89 

    90     connect(m_addressBar, SIGNAL(returnPressed()), SLOT(changeLocation()));

    91     connect(m_browser->view(), SIGNAL(loadProgress(int)), SLOT(loadProgress(int)));

    92     connect(m_browser->view(), SIGNAL(titleChanged(const QString&)), SLOT(titleChanged(const QString&)));

    93     connect(m_browser->view(), SIGNAL(urlChanged(const QUrl&)), SLOT(urlChanged(const QUrl&)));

    94 

    95     QToolBar* bar = addToolBar("Navigation");

    96     bar->addAction(m_browser->view()->page()->action(QWKPage::Back));

    97     bar->addAction(m_browser->view()->page()->action(QWKPage::Forward));

    98     bar->addAction(m_browser->view()->page()->action(QWKPage::Reload));

    99     bar->addAction(m_browser->view()->page()->action(QWKPage::Stop));

   100     bar->addWidget(m_addressBar);

   101 

   102     this->setMenuBar(m_menu);

   103     this->setCentralWidget(m_browser);

   104 

   105     m_browser->setFocus(Qt::OtherFocusReason);

   106 }

   107 

   108 void BrowserWindow::load(const QString& url)

   109 {

   110     m_addressBar->setText(url);

   111     m_browser->load(QUrl(url));

   112 }

   113 

   114 void BrowserWindow::changeLocation()

   115 {

   116     QString string = m_addressBar->text();

   117     m_browser->load(string);

   118 }

   119 

   120 void BrowserWindow::loadProgress(int progress)

   121 {

   122     QColor backgroundColor = QApplication::palette().color(QPalette::Base);

   123     QColor progressColor = QColor(120, 180, 240);

   124     QPalette pallete = m_addressBar->palette();

   125 

   126     if (progress <= 0 || progress >= 100)

   127         pallete.setBrush(QPalette::Base, backgroundColor);

   128     else {

   129         QLinearGradient gradient(0, 0, width(), 0);

   130         gradient.setColorAt(0, progressColor);

   131         gradient.setColorAt(((double) progress) / 100, progressColor);

   132         if (progress != 100)

   133             gradient.setColorAt((double) progress / 100 + 0.001, backgroundColor);

   134         pallete.setBrush(QPalette::Base, gradient);

   135     }

   136     m_addressBar->setPalette(pallete);

   137 }

   138 

   139 void BrowserWindow::titleChanged(const QString& title)

   140 {

   141     setWindowTitle(title);

   142 }

   143 

   144 void BrowserWindow::urlChanged(const QUrl& url)

   145 {

   146     m_addressBar->setText(url.toString());

   147 }

   148 

   149 BrowserWindow::~BrowserWindow()

   150 {

   151     delete m_addressBar;

   152     delete m_browser;

   153     delete m_menu;

   154 }