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// Copyright (C) 2016 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 QQMLENGINE_H
#define QQMLENGINE_H
#include <QtCore/qurl.h>
#include <QtCore/qobject.h>
#include <QtCore/qmap.h>
#include <QtQml/qjsengine.h>
#include <QtQml/qqml.h>
#include <QtQml/qqmlerror.h>
#include <QtQml/qqmlabstracturlinterceptor.h>
QT_BEGIN_NAMESPACE
class Q_QML_EXPORT QQmlImageProviderBase : public QObject
{
Q_OBJECT
public:
enum ImageType : int {
Invalid = 0,
Image,
Pixmap,
Texture,
ImageResponse,
};
enum Flag {
ForceAsynchronousImageLoading = 0x01
};
Q_DECLARE_FLAGS(Flags, Flag)
virtual ~QQmlImageProviderBase();
virtual ImageType imageType() const = 0;
virtual Flags flags() const = 0;
private:
friend class QQuickImageProvider;
QQmlImageProviderBase();
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QQmlImageProviderBase::Flags)
class QQmlComponent;
class QQmlEnginePrivate;
class QQmlExpression;
class QQmlContext;
class QQmlType;
class QUrl;
#if QT_CONFIG(qml_network)
class QNetworkAccessManager;
class QQmlNetworkAccessManagerFactory;
#endif
class QQmlIncubationController;
class Q_QML_EXPORT QQmlEngine : public QJSEngine
{
Q_PROPERTY(QString offlineStoragePath READ offlineStoragePath WRITE setOfflineStoragePath NOTIFY offlineStoragePathChanged)
Q_OBJECT
public:
explicit QQmlEngine(QObject *p = nullptr);
~QQmlEngine() override;
QQmlContext *rootContext() const;
void clearComponentCache();
void trimComponentCache();
void clearSingletons();
QStringList importPathList() const;
void setImportPathList(const QStringList &paths);
void addImportPath(const QString& dir);
QStringList pluginPathList() const;
void setPluginPathList(const QStringList &paths);
void addPluginPath(const QString& dir);
#if QT_DEPRECATED_SINCE(6, 0)
QT_DEPRECATED bool addNamedBundle(const QString &, const QString &) { return false; }
#endif
#if QT_CONFIG(library)
#if QT_DEPRECATED_SINCE(6, 4)
QT_DEPRECATED_VERSION_X_6_4("Import the module from QML instead")
bool importPlugin(const QString &filePath, const QString &uri, QList<QQmlError> *errors);
#endif
#endif
#if QT_CONFIG(qml_network)
void setNetworkAccessManagerFactory(QQmlNetworkAccessManagerFactory *);
QQmlNetworkAccessManagerFactory *networkAccessManagerFactory() const;
QNetworkAccessManager *networkAccessManager() const;
#endif
#if QT_DEPRECATED_SINCE(6, 0)
QT_DEPRECATED void setUrlInterceptor(QQmlAbstractUrlInterceptor* urlInterceptor)
{
addUrlInterceptor(urlInterceptor);
}
QT_DEPRECATED QQmlAbstractUrlInterceptor *urlInterceptor() const;
#endif
void addUrlInterceptor(QQmlAbstractUrlInterceptor *urlInterceptor);
void removeUrlInterceptor(QQmlAbstractUrlInterceptor *urlInterceptor);
QList<QQmlAbstractUrlInterceptor *> urlInterceptors() const;
QUrl interceptUrl(const QUrl &url, QQmlAbstractUrlInterceptor::DataType type) const;
void addImageProvider(const QString &id, QQmlImageProviderBase *);
QQmlImageProviderBase *imageProvider(const QString &id) const;
void removeImageProvider(const QString &id);
void setIncubationController(QQmlIncubationController *);
QQmlIncubationController *incubationController() const;
void setOfflineStoragePath(const QString& dir);
QString offlineStoragePath() const;
QString offlineStorageDatabaseFilePath(const QString &databaseName) const;
QUrl baseUrl() const;
void setBaseUrl(const QUrl &);
bool outputWarningsToStandardError() const;
void setOutputWarningsToStandardError(bool);
void markCurrentFunctionAsTranslationBinding();
template<typename T>
T singletonInstance(int qmlTypeId);
template<typename T>
T singletonInstance(QAnyStringView moduleName, QAnyStringView typeName);
void captureProperty(QObject *object, const QMetaProperty &property) const;
public Q_SLOTS:
void retranslate();
Q_SIGNALS:
void offlineStoragePathChanged();
public:
static QQmlContext *contextForObject(const QObject *);
static void setContextForObject(QObject *, QQmlContext *);
protected:
QQmlEngine(QQmlEnginePrivate &dd, QObject *p);
bool event(QEvent *) override;
Q_SIGNALS:
void quit();
void exit(int retCode);
void warnings(const QList<QQmlError> &warnings);
private:
Q_DISABLE_COPY(QQmlEngine)
Q_DECLARE_PRIVATE(QQmlEngine)
};
template<>
Q_QML_EXPORT QJSValue QQmlEngine::singletonInstance<QJSValue>(int qmlTypeId);
template<typename T>
T QQmlEngine::singletonInstance(int qmlTypeId) {
return qobject_cast<T>(singletonInstance<QJSValue>(qmlTypeId).toQObject());
}
template<>
Q_QML_EXPORT QJSValue QQmlEngine::singletonInstance<QJSValue>(QAnyStringView uri, QAnyStringView typeName);
template<typename T>
T QQmlEngine::singletonInstance(QAnyStringView uri, QAnyStringView typeName)
{
return qobject_cast<T>(singletonInstance<QJSValue>(uri, typeName).toQObject());
}
QT_END_NAMESPACE
#endif // QQMLENGINE_H
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