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author | Warwick Allison <warwick.allison@nokia.com> | 2010-02-24 02:42:00 (GMT) |
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committer | Warwick Allison <warwick.allison@nokia.com> | 2010-02-24 02:42:00 (GMT) |
commit | 7c76abb0dc4204043bec9b6fa315f9753a7986ae (patch) | |
tree | cee303672cfd138790645e731f2d69472564d4b7 /src/declarative/qml/qdeclarativeexpression_p.h | |
parent | 4066e60e859853cfe3240245ba05271e79839506 (diff) | |
download | Qt-7c76abb0dc4204043bec9b6fa315f9753a7986ae.zip Qt-7c76abb0dc4204043bec9b6fa315f9753a7986ae.tar.gz Qt-7c76abb0dc4204043bec9b6fa315f9753a7986ae.tar.bz2 |
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.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/declarative/qml/qdeclarativeexpression_p.h b/src/declarative/qml/qdeclarativeexpression_p.h new file mode 100644 index 0000000..91ac4c0 --- /dev/null +++ b/src/declarative/qml/qdeclarativeexpression_p.h @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** 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 |