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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKWEBENGINEFAVICONPROVIDER_P_P_H
#define QQUICKWEBENGINEFAVICONPROVIDER_P_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtWebEngineQuick/private/qtwebenginequickglobal_p.h>
#include <QtCore/qlist.h>
#include <QtGui/qimage.h>
#include <QtQuick/qquickimageprovider.h>
QT_BEGIN_NAMESPACE
class QQuickWebEngineView;
class FaviconImageResponse : public QQuickImageResponse
{
Q_OBJECT
public:
FaviconImageResponse(const QUrl &imageSource, const QSize &requestedSize);
QQuickTextureFactory *textureFactory() const override;
const QUrl &imageSource() const { return m_imageSource; }
const QSize &requestedSize() const { return m_requestedSize; }
public slots:
void handleDone(QPixmap pixmap);
private:
QImage m_image;
QUrl m_imageSource;
QSize m_requestedSize;
};
class FaviconImageRequester : public QObject
{
Q_OBJECT
public:
FaviconImageRequester(const QUrl &imageSource, const QSize &requestedSize);
void start();
public slots:
void iconRequestDone(const QIcon &icon);
signals:
void done(QPixmap pixmap);
private:
bool tryNextView();
void requestFaviconFromDatabase(QPointer<QQuickWebEngineView> view);
QPointer<QQuickWebEngineView> getNextViewForProcessing();
QUrl m_imageSource;
QSize m_requestedSize;
QList<QPointer<QQuickWebEngineView>> m_processedViews;
};
class Q_WEBENGINEQUICK_EXPORT QQuickWebEngineFaviconProvider : public QQuickAsyncImageProvider
{
Q_OBJECT
public:
static QString identifier();
static QUrl faviconProviderUrl(const QUrl &);
QQuickWebEngineFaviconProvider();
QQuickImageResponse *requestImageResponse(const QString &id,
const QSize &requestedSize) override;
signals:
void imageResponseRequested(QPointer<FaviconImageResponse> faviconResponse);
};
class Q_WEBENGINEQUICK_EXPORT FaviconProviderHelper : public QObject
{
Q_OBJECT
public:
static FaviconProviderHelper *instance();
void attach(QPointer<QQuickWebEngineView> view);
void detach(QPointer<QQuickWebEngineView> view);
const QList<QPointer<QQuickWebEngineView>> &views() const { return m_views; }
public slots:
void handleImageRequest(QPointer<FaviconImageResponse> faviconResponse);
private:
FaviconProviderHelper();
void startFaviconRequest(QPointer<FaviconImageResponse> faviconResponse);
QPointer<QQuickWebEngineView> findViewByImageSource(const QUrl &imageSource) const;
QList<QPointer<QQuickWebEngineView>> m_views;
};
QT_END_NAMESPACE
#endif // QQUICKWEBENGINEFAVICONPROVIDER_P_P_H
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