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1 | /**************************************************************************** |
---|---|
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
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 Digia. For licensing terms and |
14 | ** conditions see http://qt.digia.com/licensing. For further information |
15 | ** use the contact form at http://qt.digia.com/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 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
32 | ** Foundation and appearing in the file LICENSE.GPL included in the |
33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
35 | ** met: http://www.gnu.org/copyleft/gpl.html. |
36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QDECLARATIVECOMPONENT_H |
43 | #define QDECLARATIVECOMPONENT_H |
44 | |
45 | #include <QtDeclarative/qdeclarative.h> |
46 | #include <QtDeclarative/qdeclarativeerror.h> |
47 | |
48 | #include <QtCore/qobject.h> |
49 | #include <QtCore/qstring.h> |
50 | #include <QtScript/qscriptvalue.h> |
51 | |
52 | QT_BEGIN_HEADER |
53 | |
54 | QT_BEGIN_NAMESPACE |
55 | |
56 | QT_MODULE(Declarative) |
57 | |
58 | class QDeclarativeCompiledData; |
59 | class QByteArray; |
60 | class QDeclarativeComponentPrivate; |
61 | class QDeclarativeEngine; |
62 | class QDeclarativeComponentAttached; |
63 | class Q_DECLARATIVE_EXPORT QDeclarativeComponent : public QObject |
64 | { |
65 | Q_OBJECT |
66 | Q_DECLARE_PRIVATE(QDeclarativeComponent) |
67 | |
68 | Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged) |
69 | Q_PROPERTY(Status status READ status NOTIFY statusChanged) |
70 | Q_PROPERTY(QUrl url READ url CONSTANT) |
71 | |
72 | public: |
73 | QDeclarativeComponent(QObject *parent = 0); |
74 | QDeclarativeComponent(QDeclarativeEngine *, QObject *parent=0); |
75 | QDeclarativeComponent(QDeclarativeEngine *, const QString &fileName, QObject *parent = 0); |
76 | QDeclarativeComponent(QDeclarativeEngine *, const QUrl &url, QObject *parent = 0); |
77 | virtual ~QDeclarativeComponent(); |
78 | |
79 | Q_ENUMS(Status) |
80 | enum Status { Null, Ready, Loading, Error }; |
81 | Status status() const; |
82 | |
83 | bool isNull() const; |
84 | bool isReady() const; |
85 | bool isError() const; |
86 | bool isLoading() const; |
87 | |
88 | QList<QDeclarativeError> errors() const; |
89 | Q_INVOKABLE QString errorString() const; |
90 | |
91 | qreal progress() const; |
92 | |
93 | QUrl url() const; |
94 | |
95 | virtual QObject *create(QDeclarativeContext *context = 0); |
96 | virtual QObject *beginCreate(QDeclarativeContext *); |
97 | virtual void completeCreate(); |
98 | |
99 | void loadUrl(const QUrl &url); |
100 | void setData(const QByteArray &, const QUrl &baseUrl); |
101 | |
102 | QDeclarativeContext *creationContext() const; |
103 | |
104 | static QDeclarativeComponentAttached *qmlAttachedProperties(QObject *); |
105 | |
106 | Q_SIGNALS: |
107 | void statusChanged(QDeclarativeComponent::Status); |
108 | void progressChanged(qreal); |
109 | |
110 | protected: |
111 | QDeclarativeComponent(QDeclarativeComponentPrivate &dd, QObject* parent); |
112 | Q_INVOKABLE QScriptValue createObject(QObject* parent); |
113 | Q_INVOKABLE Q_REVISION(1) QScriptValue createObject(QObject* parent, const QScriptValue& valuemap); //XXX Versioning |
114 | |
115 | private: |
116 | QDeclarativeComponent(QDeclarativeEngine *, QDeclarativeCompiledData *, int, int, QObject *parent); |
117 | |
118 | Q_DISABLE_COPY(QDeclarativeComponent) |
119 | friend class QDeclarativeVME; |
120 | friend class QDeclarativeCompositeTypeData; |
121 | friend class QDeclarativeTypeData; |
122 | }; |
123 | |
124 | QT_END_NAMESPACE |
125 | |
126 | Q_DECLARE_METATYPE(QDeclarativeComponent::Status) |
127 | QML_DECLARE_TYPE(QDeclarativeComponent) |
128 | QML_DECLARE_TYPEINFO(QDeclarativeComponent, QML_HAS_ATTACHED_PROPERTIES) |
129 | |
130 | QT_END_HEADER |
131 | |
132 | #endif // QDECLARATIVECOMPONENT_H |
133 |
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