151 lines
4.9 KiB
C++
151 lines
4.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtQml module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QQMLCOMPONENT_P_H
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#define QQMLCOMPONENT_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "qqmlcomponent.h"
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#include "qqmlengine_p.h"
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#include "qqmltypeloader_p.h"
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#include <private/qbitfield_p.h>
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#include "qqmlvme_p.h"
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#include "qqmlerror.h"
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#include "qqml.h"
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#include <private/qqmlobjectcreator_p.h>
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#include <private/qqmltypedata_p.h>
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#include <QtCore/QString>
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#include <QtCore/QStringList>
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#include <QtCore/QList>
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#include <private/qobject_p.h>
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QT_BEGIN_NAMESPACE
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class QQmlComponent;
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class QQmlEngine;
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class QQmlComponentAttached;
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class Q_QML_PRIVATE_EXPORT QQmlComponentPrivate : public QObjectPrivate, public QQmlTypeData::TypeDataCallback
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{
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Q_DECLARE_PUBLIC(QQmlComponent)
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public:
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QQmlComponentPrivate()
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: progress(0.), start(-1), engine(nullptr), creationContext(nullptr) {}
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void loadUrl(const QUrl &newUrl, QQmlComponent::CompilationMode mode = QQmlComponent::PreferSynchronous);
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QObject *beginCreate(QQmlContextData *);
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void completeCreate();
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void initializeObjectWithInitialProperties(QV4::QmlContext *qmlContext, const QV4::Value &valuemap, QObject *toCreate);
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static void setInitialProperties(QV4::ExecutionEngine *engine, QV4::QmlContext *qmlContext, const QV4::Value &o, const QV4::Value &v);
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virtual void incubateObject(
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QQmlIncubator *incubationTask,
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QQmlComponent *component,
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QQmlEngine *engine,
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QQmlContextData *context,
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QQmlContextData *forContext);
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QQmlRefPointer<QQmlTypeData> typeData;
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void typeDataReady(QQmlTypeData *) override;
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void typeDataProgress(QQmlTypeData *, qreal) override;
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void fromTypeData(const QQmlRefPointer<QQmlTypeData> &data);
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QUrl url;
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qreal progress;
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int start;
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QQmlRefPointer<QV4::ExecutableCompilationUnit> compilationUnit;
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struct ConstructionState {
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ConstructionState()
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: completePending(false)
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{}
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~ConstructionState()
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{
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}
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QScopedPointer<QQmlObjectCreator> creator;
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QList<QQmlError> errors;
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bool completePending;
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};
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ConstructionState state;
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struct DeferredState {
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~DeferredState() {
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qDeleteAll(constructionStates);
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constructionStates.clear();
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}
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QVector<ConstructionState *> constructionStates;
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};
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static void beginDeferred(QQmlEnginePrivate *enginePriv, QObject *object, DeferredState* deferredState);
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static void completeDeferred(QQmlEnginePrivate *enginePriv, DeferredState *deferredState);
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static void complete(QQmlEnginePrivate *enginePriv, ConstructionState *state);
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QQmlEngine *engine;
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QQmlGuardedContextData creationContext;
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void clear();
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static QQmlComponentPrivate *get(QQmlComponent *c) {
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return static_cast<QQmlComponentPrivate *>(QObjectPrivate::get(c));
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}
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};
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QT_END_NAMESPACE
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#endif // QQMLCOMPONENT_P_H
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