1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** No Commercial Usage
11 ** This file contains pre-release code and may not be distributed.
12 ** You may use this file in accordance with the terms and conditions
13 ** contained in the Technology Preview License Agreement accompanying
16 ** GNU Lesser General Public License Usage
17 ** Alternatively, this file may be used under the terms of the GNU Lesser
18 ** General Public License version 2.1 as published by the Free Software
19 ** Foundation and appearing in the file LICENSE.LGPL included in the
20 ** packaging of this file. Please review the following information to
21 ** ensure the GNU Lesser General Public License version 2.1 requirements
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 ** In addition, as a special exception, Nokia gives you certain additional
25 ** rights. These rights are described in the Nokia Qt LGPL Exception
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 ** If you have questions regarding the use of this file, please contact
29 ** Nokia at qt-info@nokia.com.
40 ****************************************************************************/
42 #ifndef QDECLARATIVECOMPONENT_P_H
43 #define QDECLARATIVECOMPONENT_P_H
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
56 #include "qdeclarativecomponent.h"
58 #include "private/qdeclarativeengine_p.h"
59 #include "private/qdeclarativetypeloader_p.h"
60 #include "private/qbitfield_p.h"
61 #include "qdeclarativeerror.h"
62 #include "qdeclarative.h"
64 #include <QtCore/QString>
65 #include <QtCore/QStringList>
66 #include <QtCore/QList>
68 #include <private/qobject_p.h>
72 class QDeclarativeComponent;
73 class QDeclarativeEngine;
74 class QDeclarativeCompiledData;
76 class QDeclarativeComponentAttached;
77 class Q_AUTOTEST_EXPORT QDeclarativeComponentPrivate : public QObjectPrivate, public QDeclarativeTypeData::TypeDataCallback
79 Q_DECLARE_PUBLIC(QDeclarativeComponent)
82 QDeclarativeComponentPrivate() : typeData(0), progress(0.), start(-1), cc(0), engine(0), creationContext(0) {}
84 QObject *beginCreate(QDeclarativeContextData *, const QBitField &);
85 void completeCreate();
87 QDeclarativeTypeData *typeData;
88 virtual void typeDataReady(QDeclarativeTypeData *);
89 virtual void typeDataProgress(QDeclarativeTypeData *, qreal);
91 void fromTypeData(QDeclarativeTypeData *data);
97 QDeclarativeCompiledData *cc;
99 struct ConstructionState {
100 ConstructionState() : componentAttached(0), completePending(false) {}
101 QList<QDeclarativeEnginePrivate::SimpleList<QDeclarativeAbstractBinding> > bindValues;
102 QList<QDeclarativeEnginePrivate::SimpleList<QDeclarativeParserStatus> > parserStatus;
103 QList<QPair<QDeclarativeGuard<QObject>, int> > finalizedParserStatus;
104 QDeclarativeComponentAttached *componentAttached;
105 QList<QDeclarativeError> errors;
106 bool completePending;
108 ConstructionState state;
110 static QObject *begin(QDeclarativeContextData *parentContext, QDeclarativeContextData *componentCreationContext,
111 QDeclarativeCompiledData *component, int start,
112 ConstructionState *state, QList<QDeclarativeError> *errors,
113 const QBitField &bindings = QBitField());
114 static void beginDeferred(QDeclarativeEnginePrivate *enginePriv, QObject *object,
115 ConstructionState *state);
116 static void complete(QDeclarativeEnginePrivate *enginePriv, ConstructionState *state);
118 QScriptValue createObject(QObject *publicParent, const QScriptValue valuemap);
120 QDeclarativeEngine *engine;
121 QDeclarativeGuardedContextData creationContext;
125 static QDeclarativeComponentPrivate *get(QDeclarativeComponent *c) {
126 return static_cast<QDeclarativeComponentPrivate *>(QObjectPrivate::get(c));
130 class QDeclarativeComponentAttached : public QObject
134 QDeclarativeComponentAttached(QObject *parent = 0);
135 ~QDeclarativeComponentAttached();
137 void add(QDeclarativeComponentAttached **a) {
138 prev = a; next = *a; *a = this;
139 if (next) next->prev = &next;
142 if (next) next->prev = prev;
146 QDeclarativeComponentAttached **prev;
147 QDeclarativeComponentAttached *next;
154 friend class QDeclarativeContextData;
155 friend class QDeclarativeComponentPrivate;
160 #endif // QDECLARATIVECOMPONENT_P_H