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Diffstat (limited to 'src/qml/qml/qqmlabstractexpression_p.h')
-rw-r--r-- | src/qml/qml/qqmlabstractexpression_p.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/src/qml/qml/qqmlabstractexpression_p.h b/src/qml/qml/qqmlabstractexpression_p.h deleted file mode 100644 index 82ba010434..0000000000 --- a/src/qml/qml/qqmlabstractexpression_p.h +++ /dev/null @@ -1,116 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the QtQml module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL21$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** 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 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QQMLABSTRACTEXPRESSION_P_H -#define QQMLABSTRACTEXPRESSION_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 <private/qqmlcontext_p.h> -#include <private/qfieldlist_p.h> -#include <private/qflagpointer_p.h> - -QT_BEGIN_NAMESPACE - -class Q_QML_PRIVATE_EXPORT QQmlAbstractExpression -{ -public: - QQmlAbstractExpression(); - virtual ~QQmlAbstractExpression(); - - bool isValid() const; - - QQmlContextData *context() const; - void setContext(QQmlContextData *); - - virtual void refresh(); - - class DeleteWatcher { - public: - inline DeleteWatcher(QQmlAbstractExpression *); - inline ~DeleteWatcher(); - inline bool wasDeleted() const; - private: - friend class QQmlAbstractExpression; - QQmlContextData *_c; - QQmlAbstractExpression **_w; - QQmlAbstractExpression *_s; - }; - -private: - friend class QQmlContext; - friend class QQmlContextData; - friend class QQmlContextPrivate; - - QBiPointer<QQmlContextData, DeleteWatcher> m_context; - QQmlAbstractExpression **m_prevExpression; - QQmlAbstractExpression *m_nextExpression; -}; - -QQmlAbstractExpression::DeleteWatcher::DeleteWatcher(QQmlAbstractExpression *e) -: _c(0), _w(0), _s(e) -{ - if (e->m_context.isT1()) { - _w = &_s; - _c = e->m_context.asT1(); - e->m_context = this; - } else { - // Another watcher is already registered - _w = &e->m_context.asT2()->_s; - } -} - -QQmlAbstractExpression::DeleteWatcher::~DeleteWatcher() -{ - Q_ASSERT(*_w == 0 || (*_w == _s && _s->m_context.isT2())); - if (*_w && _s->m_context.asT2() == this) - _s->m_context = _c; -} - -bool QQmlAbstractExpression::DeleteWatcher::wasDeleted() const -{ - return *_w == 0; -} - -QT_END_NAMESPACE - -#endif // QQMLABSTRACTEXPRESSION_P_H |