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 ** GNU Lesser General Public License Usage
11 ** This file may be used under the terms of the GNU Lesser General Public
12 ** License version 2.1 as published by the Free Software Foundation and
13 ** appearing in the file LICENSE.LGPL included in the packaging of this
14 ** file. Please review the following information to ensure the GNU Lesser
15 ** General Public License version 2.1 requirements will be met:
16 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
18 ** In addition, as a special exception, Nokia gives you certain additional
19 ** rights. These rights are described in the Nokia Qt LGPL Exception
20 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
22 ** GNU General Public License Usage
23 ** Alternatively, this file may be used under the terms of the GNU General
24 ** Public License version 3.0 as published by the Free Software Foundation
25 ** and appearing in the file LICENSE.GPL included in the packaging of this
26 ** file. Please review the following information to ensure the GNU General
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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/qv8_p.h>
59 #include "qdeclarativeengine_p.h"
60 #include "qdeclarativetypeloader_p.h"
61 #include <private/qbitfield_p.h>
62 #include "qdeclarativevme_p.h"
63 #include "qdeclarativeerror.h"
64 #include "qdeclarative.h"
66 #include <QtCore/QString>
67 #include <QtCore/QStringList>
68 #include <QtCore/QList>
70 #include <private/qobject_p.h>
76 class QDeclarativeComponent;
77 class QDeclarativeEngine;
78 class QDeclarativeCompiledData;
80 class QDeclarativeComponentAttached;
81 class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeComponentPrivate : public QObjectPrivate, public QDeclarativeTypeData::TypeDataCallback
83 Q_DECLARE_PUBLIC(QDeclarativeComponent)
86 QDeclarativeComponentPrivate() : typeData(0), progress(0.), start(-1), cc(0), engine(0), creationContext(0) {}
88 QObject *beginCreate(QDeclarativeContextData *);
89 void completeCreate();
90 void initializeObjectWithInitialProperties(v8::Handle<v8::Object> qmlGlobal, v8::Handle<v8::Object> valuemap, QObject *toCreate);
92 QDeclarativeTypeData *typeData;
93 virtual void typeDataReady(QDeclarativeTypeData *);
94 virtual void typeDataProgress(QDeclarativeTypeData *, qreal);
96 void fromTypeData(QDeclarativeTypeData *data);
102 QDeclarativeCompiledData *cc;
104 struct ConstructionState {
105 ConstructionState() : completePending(false) {}
108 QList<QDeclarativeError> errors;
109 bool completePending;
111 ConstructionState state;
113 static void beginDeferred(QDeclarativeEnginePrivate *enginePriv, QObject *object,
114 ConstructionState *state);
115 static void complete(QDeclarativeEnginePrivate *enginePriv, ConstructionState *state);
117 QDeclarativeEngine *engine;
118 QDeclarativeGuardedContextData creationContext;
122 static QDeclarativeComponentPrivate *get(QDeclarativeComponent *c) {
123 return static_cast<QDeclarativeComponentPrivate *>(QObjectPrivate::get(c));
127 class Q_AUTOTEST_EXPORT QDeclarativeComponentAttached : public QObject
131 QDeclarativeComponentAttached(QObject *parent = 0);
132 ~QDeclarativeComponentAttached();
134 void add(QDeclarativeComponentAttached **a) {
135 prev = a; next = *a; *a = this;
136 if (next) next->prev = &next;
139 if (next) next->prev = prev;
143 QDeclarativeComponentAttached **prev;
144 QDeclarativeComponentAttached *next;
151 friend class QDeclarativeVME;
152 friend class QDeclarativeContextData;
157 #endif // QDECLARATIVECOMPONENT_P_H