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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "explicitimagecacheimageprovider.h"
#include <asynchronousexplicitimagecache.h>
#include <QMetaObject>
#include <QQuickImageResponse>
namespace {
class ImageResponse : public QQuickImageResponse
{
public:
ImageResponse(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;
};
} // namespace
namespace QmlDesigner {
QQuickImageResponse *ExplicitImageCacheImageProvider::requestImageResponse(const QString &id,
const QSize &)
{
auto response = std::make_unique<::ImageResponse>(m_defaultImage);
m_cache.requestImage(
id,
[response = QPointer<::ImageResponse>(response.get())](const QImage &image) {
QMetaObject::invokeMethod(
response,
[response, image] {
if (response)
response->setImage(image);
},
Qt::QueuedConnection);
},
[response = QPointer<::ImageResponse>(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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