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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QQMLCOMPONENT_P_H
#define QQMLCOMPONENT_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 "qqmlcomponent.h"
#include "qqmlengine_p.h"
#include "qqmltypeloader_p.h"
#include <private/qbitfield_p.h>
#include "qqmlvme_p.h"
#include "qqmlerror.h"
#include "qqml.h"
#include <private/qqmlobjectcreator_p.h>
#include <private/qqmltypedata_p.h>
#include <QtCore/QString>
#include <QtCore/QStringList>
#include <QtCore/QList>
#include <private/qobject_p.h>
QT_BEGIN_NAMESPACE
class QQmlComponent;
class QQmlEngine;
class QQmlComponentAttached;
class Q_QML_PRIVATE_EXPORT QQmlComponentPrivate : public QObjectPrivate, public QQmlTypeData::TypeDataCallback
{
Q_DECLARE_PUBLIC(QQmlComponent)
public:
QQmlComponentPrivate()
: progress(0.), start(-1), engine(nullptr), creationContext(nullptr) {}
void loadUrl(const QUrl &newUrl, QQmlComponent::CompilationMode mode = QQmlComponent::PreferSynchronous);
QObject *beginCreate(QQmlContextData *);
void completeCreate();
void initializeObjectWithInitialProperties(QV4::QmlContext *qmlContext, const QV4::Value &valuemap, QObject *toCreate, RequiredProperties &requiredProperties);
static void setInitialProperties(QV4::ExecutionEngine *engine, QV4::QmlContext *qmlContext, const QV4::Value &o, const QV4::Value &v, RequiredProperties &requiredProperties, QObject *createdComponent);
static QQmlError unsetRequiredPropertyToQQmlError(const RequiredPropertyInfo &unsetRequiredProperty);
virtual void incubateObject(
QQmlIncubator *incubationTask,
QQmlComponent *component,
QQmlEngine *engine,
QQmlContextData *context,
QQmlContextData *forContext);
QQmlRefPointer<QQmlTypeData> typeData;
void typeDataReady(QQmlTypeData *) override;
void typeDataProgress(QQmlTypeData *, qreal) override;
void fromTypeData(const QQmlRefPointer<QQmlTypeData> &data);
QUrl url;
qreal progress;
int start;
RequiredProperties& requiredProperties();
bool hadRequiredProperties() const;
QQmlRefPointer<QV4::ExecutableCompilationUnit> compilationUnit;
struct ConstructionState {
ConstructionState()
: completePending(false)
{}
~ConstructionState()
{
}
QScopedPointer<QQmlObjectCreator> creator;
QList<QQmlError> errors;
bool completePending;
};
ConstructionState state;
struct DeferredState {
~DeferredState() {
qDeleteAll(constructionStates);
constructionStates.clear();
}
QVector<ConstructionState *> constructionStates;
};
static void beginDeferred(QQmlEnginePrivate *enginePriv, QObject *object, DeferredState* deferredState);
static void completeDeferred(QQmlEnginePrivate *enginePriv, DeferredState *deferredState);
static void complete(QQmlEnginePrivate *enginePriv, ConstructionState *state);
static QQmlProperty removePropertyFromRequired(QObject *createdComponent, const QString &name, RequiredProperties& requiredProperties, bool *wasInRequiredProperties = nullptr);
QQmlEngine *engine;
QQmlGuardedContextData creationContext;
void clear();
static QQmlComponentPrivate *get(QQmlComponent *c) {
return static_cast<QQmlComponentPrivate *>(QObjectPrivate::get(c));
}
QObject *doBeginCreate(QQmlComponent *q, QQmlContext *context);
bool setInitialProperty(QObject *component, const QString &name, const QVariant& value);
};
QT_END_NAMESPACE
#endif // QQMLCOMPONENT_P_H
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