alkwebpage.h

/*
    SPDX-FileCopyrightText: 2018, 2024 Ralf Habacker ralf.habacker @freenet.de
 
    This file is part of libalkimia.
 
    SPDX-License-Identifier: LGPL-2.1-or-later
*/
 
#ifndef ALKWEBPAGE_H
#define ALKWEBPAGE_H
 
#include <alkimia/alk_export.h>
 
#include <QObject>
 
class QUrl;
 
#if defined(BUILD_WITH_WEBENGINE)
 
#include <QWebEnginePage>
 
/**
 * The AlkWebPage class provides an object for loading
 * web documents in order to offer functionality such
 * as AlkWebView in a widgetless environment.
 *
 * @author Ralf Habacker ralf.habacker @freenet.de
 */
class ALK_EXPORT AlkWebPage : public QWebEnginePage
{
    Q_OBJECT
public:
    explicit AlkWebPage(QWidget *parent = nullptr);
    virtual ~AlkWebPage();
 
    void load(const QUrl &url, const QString &acceptLanguage);
    QString toHtml();
    QStringList getAllElements(const QString &symbol);
    QString getFirstElement(const QString &symbol);
    /// Set timeout [ms] for AlkWebPage::toHtml()
    void setTimeout(int timeout = -1);
    int timeout();
 
Q_SIGNALS:
    void loadRedirectedTo(const QUrl &url);
 
private:
    class Private;
    Private *d;
 
    bool acceptNavigationRequest(const QUrl &url, NavigationType type, bool isMainFrame) override;
};
 
#elif defined(BUILD_WITH_WEBKIT)
 
#include <QWebPage>
 
/**
 * The AlkWebPage class provides an object for loading
 * web documents in order to offer functionality such
 * as AlkWebView in a widgetless environment.
 *
 * @author Ralf Habacker ralf.habacker @freenet.de
 */
class ALK_EXPORT AlkWebPage : public QWebPage
{
    Q_OBJECT
public:
    explicit AlkWebPage(QObject *parent = nullptr);
    virtual ~AlkWebPage();
 
    void load(const QUrl &url, const QString &acceptLanguage);
    void setHtml(const QString &data);
    QString toHtml();
    QStringList getAllElements(const QString &symbol);
    QString getFirstElement(const QString &symbol);
    void setTimeout(int timeout = -1) { Q_UNUSED(timeout) }
    int timeout() { return -1; }
 
Q_SIGNALS:
    void loadRedirectedTo(const QUrl&);
 
private:
    class Private;
    Private *d;
};
 
#else
 
#include <QTextBrowser>
 
/**
 * The AlkWebPage class provides an object to load
 * and view web documents to provide functionality
 * like AlkWebView in a widget-less environment.
 *
 * @author Ralf Habacker ralf.habacker @freenet.de
 */
class ALK_EXPORT AlkWebPage : public QTextBrowser
{
    Q_OBJECT
public:
    explicit AlkWebPage(QWidget *parent = nullptr);
    virtual ~AlkWebPage();
 
    void load(const QUrl &url, const QString &acceptLanguage);
    void setUrl(const QUrl &url);
    QStringList getAllElements(const QString &symbol);
    QString getFirstElement(const QString &symbol);
    void setTimeout(int timeout = -1) { Q_UNUSED(timeout) }
    int timeout() { return -1; }
 
Q_SIGNALS:
    void loadStarted();
    void loadFinished(bool);
    void loadRedirectedTo(const QUrl&);
 
private:
    class Private;
    Private *d;
    QVariant loadResource(int type, const QUrl &name) override;
};
#endif
 
#endif // ALKWEBPAGE_H