Import the demo browser into widget examples.

Import the sources as-is, without adding it to the build, to allow
performing diffs later on the changes that were needed to port it
to use QtWebEngine and manage source compatibility issues.

Change-Id: Icf8a284881ce2153e9b5a1ba97dbe77096f1b88d
Reviewed-by: Andras Becsi <andras.becsi@digia.com>

1 files changed, 119 insertions, 0 deletions

diff --git a/examples/widgets/browser/webview.h b/examples/widgets/browser/webview.h
new file mode 100644
index 000000000..4fd04aca9
--- /dev/null
+++ b/examples/widgets/browser/webview.h
@@ -0,0 +1,119 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef WEBVIEW_H
+#define WEBVIEW_H
+
+#include <QWebView>
+
+QT_BEGIN_NAMESPACE
+class QAuthenticator;
+class QMouseEvent;
+class QNetworkProxy;
+class QNetworkReply;
+class QSslError;
+QT_END_NAMESPACE
+
+class BrowserMainWindow;
+class WebPage : public QWebPage {
+    Q_OBJECT
+
+signals:
+    void loadingUrl(const QUrl &url);
+
+public:
+    WebPage(QObject *parent = 0);
+    BrowserMainWindow *mainWindow();
+
+protected:
+    bool acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type);
+    QWebPage *createWindow(QWebPage::WebWindowType type);
+#if !defined(QT_NO_UITOOLS)
+    QObject *createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues);
+#endif
+
+private slots:
+    void handleUnsupportedContent(QNetworkReply *reply);
+
+private:
+    friend class WebView;
+
+    // set the webview mousepressedevent
+    Qt::KeyboardModifiers m_keyboardModifiers;
+    Qt::MouseButtons m_pressedButtons;
+    bool m_openInNewTab;
+    QUrl m_loadingUrl;
+};
+
+class WebView : public QWebView {
+    Q_OBJECT
+
+public:
+    WebView(QWidget *parent = 0);
+    WebPage *webPage() const { return m_page; }
+
+    void loadUrl(const QUrl &url);
+    QUrl url() const;
+
+    QString lastStatusBarText() const;
+    inline int progress() const { return m_progress; }
+
+protected:
+    void mousePressEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    void contextMenuEvent(QContextMenuEvent *event);
+    void wheelEvent(QWheelEvent *event);
+
+private slots:
+    void setProgress(int progress);
+    void loadFinished();
+    void setStatusBarText(const QString &string);
+    void downloadRequested(const QNetworkRequest &request);
+    void openLinkInNewTab();
+
+private:
+    QString m_statusBarText;
+    QUrl m_initialUrl;
+    int m_progress;
+    WebPage *m_page;
+};
+
+#endif