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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef APIBRIDGES_H
#define APIBRIDGES_H
#include <QtCore/qobject.h>
#include <QtQml/qjsengine.h>
#include <QtQml/qqml.h>
#include "color.h"
#include "colorsapi.h"
#include "credentials.h"
#include "usersapi.h"
//! [0]
struct ForeignColorsAPI
{
Q_GADGET
QML_FOREIGN(QtOpenAPI::ColorsApi)
QML_SINGLETON
QML_NAMED_ELEMENT(ColorsApi)
//! [0]
public:
inline static QtOpenAPI::ColorsApi *s_singletonInstance = nullptr;
static QtOpenAPI::ColorsApi *create(QQmlEngine *, QJSEngine *engine)
{
// The instance has to exist before it is used. We cannot replace it.
Q_ASSERT(s_singletonInstance);
// The engine has to have the same thread affinity as the singleton.
Q_ASSERT(engine->thread() == s_singletonInstance->thread());
// There can only be one engine accessing the singleton.
if (s_engine)
Q_ASSERT(engine == s_engine);
else
s_engine = engine;
// Explicitly specify C++ ownership so that the engine doesn't delete
// the instance.
QJSEngine::setObjectOwnership(s_singletonInstance,
QJSEngine::CppOwnership);
return s_singletonInstance;
}
private:
inline static QJSEngine *s_engine = nullptr;
//! [1]
};
//! [1]
struct ForeignUsersAPI
{
Q_GADGET
QML_FOREIGN(QtOpenAPI::UsersApi)
QML_SINGLETON
QML_NAMED_ELEMENT(UsersApi)
public:
inline static QtOpenAPI::UsersApi *s_singletonInstance = nullptr;
static QtOpenAPI::UsersApi *create(QQmlEngine *, QJSEngine *engine)
{
// The instance has to exist before it is used. We cannot replace it.
Q_ASSERT(s_singletonInstance);
// The engine has to have the same thread affinity as the singleton.
Q_ASSERT(engine->thread() == s_singletonInstance->thread());
// There can only be one engine accessing the singleton.
if (s_engine)
Q_ASSERT(engine == s_engine);
else
s_engine = engine;
// Explicitly specify C++ ownership so that the engine doesn't delete
// the instance.
QJSEngine::setObjectOwnership(s_singletonInstance,
QJSEngine::CppOwnership);
return s_singletonInstance;
}
private:
inline static QJSEngine *s_engine = nullptr;
};
//! [2]
class Credentials: public QObject
{
Q_OBJECT
QML_ELEMENT
QML_SINGLETON
public:
Q_INVOKABLE QtOpenAPI::Credentials create(const QString &email, const QString &password)
{
QtOpenAPI::Credentials credentials;
credentials.setEmail(email);
credentials.setPassword(password);
return credentials;
}
};
//! [2]
class Color: public QObject
{
Q_OBJECT
QML_ELEMENT
QML_SINGLETON
public:
Q_INVOKABLE QtOpenAPI::Color create(const QJsonObject &json)
{
QtOpenAPI::Color color;
color.fromJsonValue(json);
return color;
}
};
#endif // APIBRIDGES_H