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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
****************************************************************************/
#include "explicitimagecacheimageprovider.h"
#include <asynchronousexplicitimagecache.h>
#include <QMetaObject>
#include <QQuickImageResponse>
namespace QmlDesigner {
class ImageRespose : public QQuickImageResponse
{
public:
ImageRespose(const QImage &defaultImage)
: m_image(defaultImage)
{}
QQuickTextureFactory *textureFactory() const override
{
return QQuickTextureFactory::textureFactoryForImage(m_image);
}
void setImage(const QImage &image)
{
m_image = image;
emit finished();
}
void abort() { emit finished(); }
private:
QImage m_image;
};
QQuickImageResponse *ExplicitImageCacheImageProvider::requestImageResponse(const QString &id,
const QSize &)
{
auto response = std::make_unique<ImageRespose>(m_defaultImage);
m_cache.requestImage(
id,
[response = QPointer<ImageRespose>(response.get())](const QImage &image) {
QMetaObject::invokeMethod(
response,
[response, image] {
if (response)
response->setImage(image);
},
Qt::QueuedConnection);
},
[response = QPointer<ImageRespose>(response.get())](ImageCache::AbortReason abortReason) {
QMetaObject::invokeMethod(
response,
[response, abortReason] {
switch (abortReason) {
case ImageCache::AbortReason::Failed:
if (response)
response->abort();
break;
case ImageCache::AbortReason::Abort:
response->cancel();
break;
}
},
Qt::QueuedConnection);
});
return response.release();
}
} // namespace QmlDesigner
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