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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the demos of the Qt Toolkit.

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     9 ** $QT_BEGIN_LICENSE:LGPL$

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    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

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    20 ** packaging of this file.  Please review the following information to

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    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

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    38 ** $QT_END_LICENSE$

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    40 ****************************************************************************/

    41 

    42 #include "BrowserWindow.h"

    43 

    44 #include <QtCore>

    45 #include <QtGui>

    46 

    47 #include "BrowserView.h"

    48 #include "HomeView.h"

    49 

    50 BrowserWindow::BrowserWindow()

    51     : QWidget()

    52     , m_homeView(0)

    53     , m_browserView(0)

    54 {

    55     m_timeLine = new QTimeLine(300, this);

    56     m_timeLine->setCurveShape(QTimeLine::EaseInOutCurve);

    57     QTimer::singleShot(0, this, SLOT(initialize()));

    58 }

    59 

    60 void BrowserWindow::initialize()

    61 {

    62     m_homeView = new HomeView(this);

    63     m_browserView = new BrowserView(this);

    64 

    65     m_homeView->hide();

    66     m_homeView->resize(size());

    67     m_homeView->move(0, 0);

    68 

    69     m_browserView->hide();

    70     m_browserView->resize(size());

    71     m_browserView->move(0, 0);

    72 

    73     connect(m_homeView, SIGNAL(addressEntered(QString)), SLOT(gotoAddress(QString)));

    74     connect(m_homeView, SIGNAL(urlActivated(QUrl)), SLOT(navigate(QUrl)));

    75 

    76     connect(m_browserView, SIGNAL(menuButtonClicked()), SLOT(showHomeView()));

    77 

    78     m_homeView->setVisible(false);

    79     m_browserView->setVisible(false);

    80     slide(0);

    81 

    82     connect(m_timeLine, SIGNAL(frameChanged(int)), SLOT(slide(int)));

    83 }

    84 

    85 

    86 // from Demo Browser

    87 QUrl guessUrlFromString(const QString &string)

    88 {

    89     QString urlStr = string.trimmed();

    90     QRegExp test(QLatin1String("^[a-zA-Z]+\\:.*"));

    91 

    92     // Check if it looks like a qualified URL. Try parsing it and see.

    93     bool hasSchema = test.exactMatch(urlStr);

    94     if (hasSchema) {

    95         QUrl url = QUrl::fromEncoded(urlStr.toUtf8(), QUrl::TolerantMode);

    96         if (url.isValid())

    97             return url;

    98     }

    99 

   100     // Might be a file.

   101     if (QFile::exists(urlStr)) {

   102         QFileInfo info(urlStr);

   103         return QUrl::fromLocalFile(info.absoluteFilePath());

   104     }

   105 

   106     // Might be a shorturl - try to detect the schema.

   107     if (!hasSchema) {

   108         int dotIndex = urlStr.indexOf(QLatin1Char('.'));

   109         if (dotIndex != -1) {

   110             QString prefix = urlStr.left(dotIndex).toLower();

   111             QString schema = (prefix == QString("ftp")) ? prefix.toLatin1() : QString("http");

   112             QString location = schema + "://" + urlStr;

   113             QUrl url = QUrl::fromEncoded(location.toUtf8(), QUrl::TolerantMode);

   114             if (url.isValid())

   115                 return url;

   116         }

   117     }

   118 

   119     // Fall back to QUrl's own tolerant parser.

   120     QUrl url = QUrl::fromEncoded(string.toUtf8(), QUrl::TolerantMode);

   121 

   122     // finally for cases where the user just types in a hostname add http

   123     if (url.scheme().isEmpty())

   124         url = QUrl::fromEncoded("http://" + string.toUtf8(), QUrl::TolerantMode);

   125     return url;

   126 }

   127 

   128 void BrowserWindow::gotoAddress(const QString &address)

   129 {

   130     m_browserView->navigate(guessUrlFromString(address));

   131     showBrowserView();

   132 }

   133 

   134 void BrowserWindow::navigate(const QUrl &url)

   135 {

   136     m_browserView->navigate(url);

   137     showBrowserView();

   138 }

   139 

   140 void BrowserWindow::slide(int pos)

   141 {

   142     m_browserView->move(pos, 0);

   143     m_homeView->move(pos - width(), 0);

   144     m_browserView->show();

   145     m_homeView->show();

   146 }

   147 

   148 void BrowserWindow::showHomeView()

   149 {

   150     if (m_timeLine->state() != QTimeLine::NotRunning)

   151         return;

   152 

   153     m_timeLine->setFrameRange(0, width());

   154     m_timeLine->start();

   155     m_homeView->setFocus();

   156 }

   157 

   158 void BrowserWindow::showBrowserView()

   159 {

   160     if (m_timeLine->state() != QTimeLine::NotRunning)

   161         return;

   162 

   163     m_timeLine->setFrameRange(width(), 0);

   164     m_timeLine->start();

   165     m_browserView->setFocus();

   166 }

   167 

   168 void BrowserWindow::keyReleaseEvent(QKeyEvent *event)

   169 {

   170     QWidget::keyReleaseEvent(event);

   171 

   172     if (event->key() == Qt::Key_F3) {

   173         if (m_homeView->isVisible())

   174             showBrowserView();

   175         else

   176             showHomeView();

   177     }

   178 }

   179 

   180 void BrowserWindow::resizeEvent(QResizeEvent *event)

   181 {

   182     if (m_homeView)

   183         m_homeView->resize(size());

   184 

   185     if (m_browserView)

   186         m_browserView->resize(size());

   187 }