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131 lines
4.6 KiB
C++
131 lines
4.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtDeclarative 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 http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://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 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.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 QDECLARATIVECOMPONENT_H
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#define QDECLARATIVECOMPONENT_H
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#include <QtDeclarative/qdeclarative.h>
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#include <QtDeclarative/qdeclarativeerror.h>
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#include <QtCore/qobject.h>
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#include <QtCore/qstring.h>
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#include <QtScript/qscriptvalue.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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class QDeclarativeCompiledData;
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class QByteArray;
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class QDeclarativeComponentPrivate;
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class QDeclarativeEngine;
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class QDeclarativeComponentAttached;
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class Q_DECLARATIVE_EXPORT QDeclarativeComponent : public QObject
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QDeclarativeComponent)
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Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
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Q_PROPERTY(Status status READ status NOTIFY statusChanged)
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Q_PROPERTY(QUrl url READ url CONSTANT)
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public:
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QDeclarativeComponent(QObject *parent = 0);
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QDeclarativeComponent(QDeclarativeEngine *, QObject *parent=0);
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QDeclarativeComponent(QDeclarativeEngine *, const QString &fileName, QObject *parent = 0);
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QDeclarativeComponent(QDeclarativeEngine *, const QUrl &url, QObject *parent = 0);
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virtual ~QDeclarativeComponent();
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Q_ENUMS(Status)
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enum Status { Null, Ready, Loading, Error };
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Status status() const;
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bool isNull() const;
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bool isReady() const;
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bool isError() const;
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bool isLoading() const;
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QList<QDeclarativeError> errors() const;
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Q_INVOKABLE QString errorString() const;
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qreal progress() const;
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QUrl url() const;
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virtual QObject *create(QDeclarativeContext *context = 0);
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virtual QObject *beginCreate(QDeclarativeContext *);
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virtual void completeCreate();
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void loadUrl(const QUrl &url);
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void setData(const QByteArray &, const QUrl &baseUrl);
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QDeclarativeContext *creationContext() const;
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static QDeclarativeComponentAttached *qmlAttachedProperties(QObject *);
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Q_SIGNALS:
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void statusChanged(QDeclarativeComponent::Status);
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void progressChanged(qreal);
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protected:
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QDeclarativeComponent(QDeclarativeComponentPrivate &dd, QObject* parent);
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Q_INVOKABLE QScriptValue createObject(QObject* parent);
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Q_INVOKABLE Q_REVISION(1) QScriptValue createObject(QObject* parent, const QScriptValue& valuemap); //XXX Versioning
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private:
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QDeclarativeComponent(QDeclarativeEngine *, QDeclarativeCompiledData *, int, int, QObject *parent);
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Q_DISABLE_COPY(QDeclarativeComponent)
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friend class QDeclarativeVME;
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friend class QDeclarativeCompositeTypeData;
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friend class QDeclarativeTypeData;
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};
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QT_END_NAMESPACE
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Q_DECLARE_METATYPE(QDeclarativeComponent::Status)
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QML_DECLARE_TYPE(QDeclarativeComponent)
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QML_DECLARE_TYPEINFO(QDeclarativeComponent, QML_HAS_ATTACHED_PROPERTIES)
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QT_END_HEADER
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#endif // QDECLARATIVECOMPONENT_H
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