1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtDeclarative module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QDECLARATIVECONTEXT_H 43 #define QDECLARATIVECONTEXT_H 44 45 #include <QtCore/qurl.h> 46 #include <QtCore/qobject.h> 47 #include <QtScript/qscriptvalue.h> 48 #include <QtCore/qmetatype.h> 49 #include <QtCore/qvariant.h> 50 51 QT_BEGIN_HEADER 52 53 QT_BEGIN_NAMESPACE 54 55 QT_MODULE(Declarative) 56 57 class QString; 58 class QDeclarativeEngine; 59 class QDeclarativeRefCount; 60 class QDeclarativeContextPrivate; 61 class QDeclarativeCompositeTypeData; 62 class QDeclarativeContextData; 63 64 class Q_DECLARATIVE_EXPORT QDeclarativeContext : public QObject 65 { 66 Q_OBJECT 67 Q_DECLARE_PRIVATE(QDeclarativeContext) 68 69 public: 70 QDeclarativeContext(QDeclarativeEngine *parent, QObject *objParent=0); 71 QDeclarativeContext(QDeclarativeContext *parent, QObject *objParent=0); 72 virtual ~QDeclarativeContext(); 73 74 bool isValid() const; 75 76 QDeclarativeEngine *engine() const; 77 QDeclarativeContext *parentContext() const; 78 79 QObject *contextObject() const; 80 void setContextObject(QObject *); 81 82 QVariant contextProperty(const QString &) const; 83 void setContextProperty(const QString &, QObject *); 84 void setContextProperty(const QString &, const QVariant &); 85 86 QUrl resolvedUrl(const QUrl &); 87 88 void setBaseUrl(const QUrl &); 89 QUrl baseUrl() const; 90 91 private: 92 friend class QDeclarativeVME; 93 friend class QDeclarativeEngine; 94 friend class QDeclarativeEnginePrivate; 95 friend class QDeclarativeExpression; 96 friend class QDeclarativeExpressionPrivate; 97 friend class QDeclarativeContextScriptClass; 98 friend class QDeclarativeObjectScriptClass; 99 friend class QDeclarativeComponent; 100 friend class QDeclarativeComponentPrivate; 101 friend class QDeclarativeScriptPrivate; 102 friend class QDeclarativeBoundSignalProxy; 103 friend class QDeclarativeContextData; 104 QDeclarativeContext(QDeclarativeContextData *); 105 QDeclarativeContext(QDeclarativeEngine *, bool); 106 Q_DISABLE_COPY(QDeclarativeContext) 107 }; 108 QT_END_NAMESPACE 109 110 Q_DECLARE_METATYPE(QList<QObject*>) 111 112 QT_END_HEADER 113 114 #endif // QDECLARATIVECONTEXT_H 115