src/declarative/qml/qdeclarativecomponent_p.h
branchGCC_SURGE
changeset 31 5daf16870df6
parent 30 5dc02b23752f
child 37 758a864f9613
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/declarative/qml/qdeclarativecomponent_p.h	Thu Jul 22 16:41:55 2010 +0100
@@ -0,0 +1,159 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 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_P_H
+#define QDECLARATIVECOMPONENT_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qdeclarativecomponent.h"
+
+#include "private/qdeclarativeengine_p.h"
+#include "private/qdeclarativecompositetypemanager_p.h"
+#include "private/qbitfield_p.h"
+#include "qdeclarativeerror.h"
+#include "qdeclarative.h"
+
+#include <QtCore/QString>
+#include <QtCore/QStringList>
+#include <QtCore/QList>
+
+#include <private/qobject_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeComponent;
+class QDeclarativeEngine;
+class QDeclarativeCompiledData;
+
+class QDeclarativeComponentAttached;
+class QDeclarativeComponentPrivate : public QObjectPrivate
+{
+    Q_DECLARE_PUBLIC(QDeclarativeComponent)
+        
+public:
+    QDeclarativeComponentPrivate() : typeData(0), progress(0.), start(-1), count(-1), cc(0), engine(0), creationContext(0) {}
+
+    QObject *create(QDeclarativeContextData *, const QBitField &);
+    QObject *beginCreate(QDeclarativeContextData *, const QBitField &);
+    void completeCreate();
+
+    QDeclarativeCompositeTypeData *typeData;
+    void typeDataReady();
+    void updateProgress(qreal);
+    
+    void fromTypeData(QDeclarativeCompositeTypeData *data);
+
+    QUrl url;
+    qreal progress;
+
+    int start;
+    int count;
+    QDeclarativeCompiledData *cc;
+
+    struct ConstructionState {
+        ConstructionState() : componentAttached(0), completePending(false) {}
+        QList<QDeclarativeEnginePrivate::SimpleList<QDeclarativeAbstractBinding> > bindValues;
+        QList<QDeclarativeEnginePrivate::SimpleList<QDeclarativeParserStatus> > parserStatus;
+        QList<QPair<QDeclarativeGuard<QObject>, int> > finalizedParserStatus;
+        QDeclarativeComponentAttached *componentAttached;
+        QList<QDeclarativeError> errors;
+        bool completePending;
+    };
+    ConstructionState state;
+
+    static QObject *begin(QDeclarativeContextData *ctxt, QDeclarativeEnginePrivate *enginePriv,
+                          QDeclarativeCompiledData *component, int start, int count,
+                          ConstructionState *state, const QBitField &bindings = QBitField());
+    static void beginDeferred(QDeclarativeEnginePrivate *enginePriv, QObject *object, 
+                              ConstructionState *state);
+    static void complete(QDeclarativeEnginePrivate *enginePriv, ConstructionState *state);
+
+    QDeclarativeEngine *engine;
+    QDeclarativeGuardedContextData creationContext;
+
+    void clear();
+
+    static QDeclarativeComponentPrivate *get(QDeclarativeComponent *c) {
+        return static_cast<QDeclarativeComponentPrivate *>(QObjectPrivate::get(c));
+    }
+};
+
+class QDeclarativeComponentAttached : public QObject
+{
+    Q_OBJECT
+public:
+    QDeclarativeComponentAttached(QObject *parent = 0);
+    ~QDeclarativeComponentAttached();
+
+    void add(QDeclarativeComponentAttached **a) {
+        prev = a; next = *a; *a = this;
+        if (next) next->prev = &next;
+    }
+    void rem() {
+        if (next) next->prev = prev;
+        *prev = next;
+        next = 0; prev = 0;
+    }
+    QDeclarativeComponentAttached **prev;
+    QDeclarativeComponentAttached *next;
+
+Q_SIGNALS:
+    void completed();
+    void destruction();
+
+private:
+    friend class QDeclarativeContextData;
+    friend class QDeclarativeComponentPrivate;
+};
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVECOMPONENT_P_H