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Diffstat (limited to 'src/declarative/qml/qdeclarativecomponent.h')
-rw-r--r-- | src/declarative/qml/qdeclarativecomponent.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativecomponent.h b/src/declarative/qml/qdeclarativecomponent.h new file mode 100644 index 0000000000..9a60a8b4f7 --- /dev/null +++ b/src/declarative/qml/qdeclarativecomponent.h @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtDeclarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QDECLARATIVECOMPONENT_H +#define QDECLARATIVECOMPONENT_H + +#include <QtDeclarative/qdeclarative.h> +#include <QtDeclarative/qdeclarativeerror.h> + +#include <QtCore/qobject.h> +#include <QtCore/qstring.h> +#include <QtScript/qscriptvalue.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class QDeclarativeCompiledData; +class QByteArray; +class QDeclarativeComponentPrivate; +class QDeclarativeEngine; +class QDeclarativeComponentAttached; +class Q_DECLARATIVE_EXPORT QDeclarativeComponent : public QObject +{ + Q_OBJECT + Q_DECLARE_PRIVATE(QDeclarativeComponent) + + Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged) + Q_PROPERTY(Status status READ status NOTIFY statusChanged) + Q_PROPERTY(QUrl url READ url CONSTANT) + +public: + QDeclarativeComponent(QObject *parent = 0); + QDeclarativeComponent(QDeclarativeEngine *, QObject *parent=0); + QDeclarativeComponent(QDeclarativeEngine *, const QString &fileName, QObject *parent = 0); + QDeclarativeComponent(QDeclarativeEngine *, const QUrl &url, QObject *parent = 0); + virtual ~QDeclarativeComponent(); + + Q_ENUMS(Status) + enum Status { Null, Ready, Loading, Error }; + Status status() const; + + bool isNull() const; + bool isReady() const; + bool isError() const; + bool isLoading() const; + + QList<QDeclarativeError> errors() const; + Q_INVOKABLE QString errorString() const; + + qreal progress() const; + + QUrl url() const; + + virtual QObject *create(QDeclarativeContext *context = 0); + virtual QObject *beginCreate(QDeclarativeContext *); + virtual void completeCreate(); + + void loadUrl(const QUrl &url); + void setData(const QByteArray &, const QUrl &baseUrl); + + QDeclarativeContext *creationContext() const; + + static QDeclarativeComponentAttached *qmlAttachedProperties(QObject *); + +Q_SIGNALS: + void statusChanged(QDeclarativeComponent::Status); + void progressChanged(qreal); + +protected: + QDeclarativeComponent(QDeclarativeComponentPrivate &dd, QObject* parent); + Q_INVOKABLE QScriptValue createObject(QObject* parent); + Q_INVOKABLE Q_REVISION(1) QScriptValue createObject(QObject* parent, const QScriptValue& valuemap); //XXX Versioning + +private: + QDeclarativeComponent(QDeclarativeEngine *, QDeclarativeCompiledData *, int, int, QObject *parent); + + Q_DISABLE_COPY(QDeclarativeComponent) + friend class QDeclarativeVME; + friend class QDeclarativeCompositeTypeData; + friend class QDeclarativeTypeData; +}; + +QT_END_NAMESPACE + +Q_DECLARE_METATYPE(QDeclarativeComponent::Status) +QML_DECLARE_TYPE(QDeclarativeComponent) +QML_DECLARE_TYPEINFO(QDeclarativeComponent, QML_HAS_ATTACHED_PROPERTIES) + +QT_END_HEADER + +#endif // QDECLARATIVECOMPONENT_H |