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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 <QtCore/qrunnable.h>
#include <QtCore/qthreadpool.h>
#include <QtGui/qimage.h>
#include <QtQuick/qquickimageprovider.h>
QT_BEGIN_NAMESPACE
class QQuickWebEngineView;
class FaviconImageResponseRunnable : public QObject, public QRunnable
{
Q_OBJECT
public:
FaviconImageResponseRunnable(const QString &id, const QSize &requestedSize,
QList<QQuickWebEngineView *> *views);
void run() override;
void iconRequestDone(const QIcon &icon);
signals:
void done(QPixmap pixmap);
private:
int tryNextView();
void requestIconOnUIThread(QQuickWebEngineView *view);
QString m_id;
QSize m_requestedSize;
QList<QQuickWebEngineView *> *m_views;
int m_nextViewIndex = 0;
};
class FaviconImageResponse : public QQuickImageResponse
{
public:
FaviconImageResponse();
FaviconImageResponse(const QString &id, const QSize &requestedSize,
QList<QQuickWebEngineView *> *views, QThreadPool *pool);
~FaviconImageResponse();
void handleDone(QPixmap pixmap);
QQuickTextureFactory *textureFactory() const override;
private:
void startRunnable(const QString &id, const QSize &requestedSize,
QList<QQuickWebEngineView *> *views, QThreadPool *pool);
FaviconImageResponseRunnable *m_runnable = nullptr;
QImage m_image;
};
class Q_WEBENGINEQUICK_PRIVATE_EXPORT QQuickWebEngineFaviconProvider : public QQuickAsyncImageProvider
{
public:
static QString identifier();
static QUrl faviconProviderUrl(const QUrl &);
QQuickWebEngineFaviconProvider();
~QQuickWebEngineFaviconProvider();
void attach(QQuickWebEngineView *view) { m_views.append(view); }
void detach(QQuickWebEngineView *view) { m_views.removeAll(view); }
QQuickImageResponse *requestImageResponse(const QString &id,
const QSize &requestedSize) override;
private:
QThreadPool m_pool;
QList<QQuickWebEngineView *> m_views;
};
QT_END_NAMESPACE
#endif // QQUICKWEBENGINEFAVICONPROVIDER_P_P_H
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