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authorWarwick Allison <warwick.allison@nokia.com>2010-02-24 12:42:00 +1000
committerWarwick Allison <warwick.allison@nokia.com>2010-02-24 12:42:00 +1000
commit7c76abb0dc4204043bec9b6fa315f9753a7986ae (patch)
treecee303672cfd138790645e731f2d69472564d4b7 /src/declarative/qml/qdeclarativeexpression_p.h
parent4066e60e859853cfe3240245ba05271e79839506 (diff)
Change class prefix to from QmlXXX to QDeclarativeXXX, QmlGraphicsXXX to QDeclarativeXXX.
Diffstat (limited to 'src/declarative/qml/qdeclarativeexpression_p.h')
-rw-r--r--src/declarative/qml/qdeclarativeexpression_p.h189
1 files changed, 189 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeexpression_p.h b/src/declarative/qml/qdeclarativeexpression_p.h
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+/****************************************************************************
+**
+** 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 QDECLARATIVEEXPRESSION_P_H
+#define QDECLARATIVEEXPRESSION_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 "qdeclarativeexpression.h"
+
+#include "qdeclarativeengine_p.h"
+#include "qdeclarativeguard_p.h"
+
+#include <QtScript/qscriptvalue.h>
+
+QT_BEGIN_NAMESPACE
+
+class QDeclarativeAbstractExpression
+{
+public:
+ QDeclarativeAbstractExpression();
+ virtual ~QDeclarativeAbstractExpression();
+
+ bool isValid() const;
+
+ QDeclarativeContext *context() const;
+ void setContext(QDeclarativeContext *);
+
+ virtual void refresh();
+
+private:
+ friend class QDeclarativeContext;
+ friend class QDeclarativeContextPrivate;
+ QDeclarativeContext *m_context;
+ QDeclarativeAbstractExpression **m_prevExpression;
+ QDeclarativeAbstractExpression *m_nextExpression;
+};
+
+class QDeclarativeDelayedError
+{
+public:
+ inline QDeclarativeDelayedError() : nextError(0), prevError(0) {}
+ inline ~QDeclarativeDelayedError() { removeError(); }
+
+ QDeclarativeError error;
+
+ bool addError(QDeclarativeEnginePrivate *);
+
+ inline void removeError() {
+ if (!prevError) return;
+ if (nextError) nextError->prevError = prevError;
+ *prevError = nextError;
+ nextError = 0;
+ prevError = 0;
+ }
+
+private:
+ QDeclarativeDelayedError *nextError;
+ QDeclarativeDelayedError **prevError;
+};
+
+class QDeclarativeExpressionData : public QDeclarativeAbstractExpression, public QDeclarativeDelayedError, public QDeclarativeRefCount
+{
+public:
+ QDeclarativeExpressionData();
+ virtual ~QDeclarativeExpressionData();
+
+ QDeclarativeExpressionPrivate *q;
+
+ QDeclarativeRefCount *dataRef;
+ QString expression;
+ bool expressionFunctionValid:1;
+ bool expressionRewritten:1;
+ QScriptValue expressionFunction;
+
+ QObject *me;
+ bool trackChange;
+
+ bool isShared;
+
+ QString url; // This is a QString for a reason. QUrls are slooooooow...
+ int line;
+
+ struct SignalGuard : public QDeclarativeGuard<QObject> {
+ SignalGuard() : isDuplicate(false), notifyIndex(-1) {}
+
+ SignalGuard &operator=(QObject *obj) {
+ QDeclarativeGuard<QObject>::operator=(obj);
+ return *this;
+ }
+ SignalGuard &operator=(const SignalGuard &o) {
+ QDeclarativeGuard<QObject>::operator=(o);
+ isDuplicate = o.isDuplicate;
+ notifyIndex = o.notifyIndex;
+ return *this;
+ }
+
+ bool isDuplicate:1;
+ int notifyIndex:31;
+ };
+ SignalGuard *guardList;
+ int guardListLength;
+};
+
+class QDeclarativeExpression;
+class QString;
+class QDeclarativeExpressionPrivate : public QObjectPrivate
+{
+ Q_DECLARE_PUBLIC(QDeclarativeExpression)
+public:
+ QDeclarativeExpressionPrivate();
+ QDeclarativeExpressionPrivate(QDeclarativeExpressionData *);
+ ~QDeclarativeExpressionPrivate();
+
+ void init(QDeclarativeContext *, const QString &, QObject *);
+ void init(QDeclarativeContext *, void *, QDeclarativeRefCount *, QObject *, const QString &, int);
+
+ QDeclarativeExpressionData *data;
+
+ QVariant value(QObject *secondaryScope = 0, bool *isUndefined = 0);
+ QVariant evalQtScript(QObject *secondaryScope, bool *isUndefined = 0);
+
+ void updateGuards(const QPODVector<QDeclarativeEnginePrivate::CapturedProperty> &properties);
+ void clearGuards();
+
+ static QDeclarativeExpressionPrivate *get(QDeclarativeExpression *expr) {
+ return static_cast<QDeclarativeExpressionPrivate *>(QObjectPrivate::get(expr));
+ }
+ static QDeclarativeExpression *get(QDeclarativeExpressionPrivate *expr) {
+ return expr->q_func();
+ }
+
+ virtual void emitValueChanged();
+
+ static void exceptionToError(QScriptEngine *, QDeclarativeError &);
+ static QScriptValue evalInObjectScope(QDeclarativeContext *, QObject *, const QString &);
+ static QScriptValue evalInObjectScope(QDeclarativeContext *, QObject *, const QScriptProgram &);
+};
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVEEXPRESSION_P_H