From 5013d53d9400f61699f8edb1dc20f06e19a26a3d Mon Sep 17 00:00:00 2001
From: Aaron Kennedy <aaron.kennedy@nokia.com>
Date: Thu, 8 Mar 2012 14:25:50 +0100
Subject: Move binding and expression classes to separate files

Change-Id: Ia9c6996a606e140f31681ecd26d93b1b0fdedf02
Reviewed-by: Roberto Raggi <roberto.raggi@nokia.com>
---
 src/qml/qml/qqmlabstractexpression.cpp | 101 +++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/qml/qml/qqmlabstractexpression.cpp

(limited to 'src/qml/qml/qqmlabstractexpression.cpp')

diff --git a/src/qml/qml/qqmlabstractexpression.cpp b/src/qml/qml/qqmlabstractexpression.cpp
new file mode 100644
index 0000000000..8319f7a619
--- /dev/null
+++ b/src/qml/qml/qqmlabstractexpression.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qqmlabstractexpression_p.h"
+
+QT_BEGIN_NAMESPACE
+
+QQmlAbstractExpression::QQmlAbstractExpression()
+: m_prevExpression(0), m_nextExpression(0)
+{
+}
+
+QQmlAbstractExpression::~QQmlAbstractExpression()
+{
+    if (m_prevExpression) {
+        *m_prevExpression = m_nextExpression;
+        if (m_nextExpression)
+            m_nextExpression->m_prevExpression = m_prevExpression;
+    }
+
+    if (m_context.isT2())
+        m_context.asT2()->_s = 0;
+}
+
+QQmlContextData *QQmlAbstractExpression::context() const
+{
+    if (m_context.isT1()) return m_context.asT1();
+    else return m_context.asT2()->_c;
+}
+
+void QQmlAbstractExpression::setContext(QQmlContextData *context)
+{
+    if (m_prevExpression) {
+        *m_prevExpression = m_nextExpression;
+        if (m_nextExpression)
+            m_nextExpression->m_prevExpression = m_prevExpression;
+        m_prevExpression = 0;
+        m_nextExpression = 0;
+    }
+
+    if (m_context.isT1()) m_context = context;
+    else m_context.asT2()->_c = context;
+
+    if (context) {
+        m_nextExpression = context->expressions;
+        if (m_nextExpression)
+            m_nextExpression->m_prevExpression = &m_nextExpression;
+        m_prevExpression = &context->expressions;
+        context->expressions = this;
+    }
+}
+
+void QQmlAbstractExpression::refresh()
+{
+}
+
+bool QQmlAbstractExpression::isValid() const
+{
+    return context() != 0;
+}
+
+QT_END_NAMESPACE
+
-- 
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