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author | Warwick Allison <warwick.allison@nokia.com> | 2009-10-26 04:47:03 (GMT) |
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committer | Warwick Allison <warwick.allison@nokia.com> | 2009-10-26 04:47:03 (GMT) |
commit | 64ca67183569a1a3b9dc1410dac5bbe8d5f56bb5 (patch) | |
tree | 2f6b2af80225ab3903f0cd53b9774783a652f760 /src/declarative/qml/qmlcleanup.cpp | |
parent | 570fa7aece0ce149c22f7b804093f70c7cb1c999 (diff) | |
parent | bace980199f6578ef453c57128fe7f0659bfeddf (diff) | |
download | Qt-64ca67183569a1a3b9dc1410dac5bbe8d5f56bb5.zip Qt-64ca67183569a1a3b9dc1410dac5bbe8d5f56bb5.tar.gz Qt-64ca67183569a1a3b9dc1410dac5bbe8d5f56bb5.tar.bz2 |
Merge branch 'kinetic-declarativeui' of git@scm.dev.nokia.troll.no:qt/kinetic into kinetic-declarativeui
Diffstat (limited to 'src/declarative/qml/qmlcleanup.cpp')
-rw-r--r-- | src/declarative/qml/qmlcleanup.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/declarative/qml/qmlcleanup.cpp b/src/declarative/qml/qmlcleanup.cpp new file mode 100644 index 0000000..7799cfc --- /dev/null +++ b/src/declarative/qml/qmlcleanup.cpp @@ -0,0 +1,82 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmlcleanup_p.h" +#include <private/qmlengine_p.h> + +/*! +\internal +\class QmlCleanup +\brief The QmlCleanup provides a callback when a QmlEngine is deleted. + +Any object that needs cleanup to occur before the QmlEngine's QScriptEngine is +destroyed should inherit from QmlCleanup. The clear() virtual method will be +called by QmlEngine just before it deletes the QScriptEngine. +*/ + +/*! +\internal + +Create a QmlCleanup for \a engine +*/ +QmlCleanup::QmlCleanup(QmlEngine *engine) +: prev(0), next(0) +{ + Q_ASSERT(engine); + QmlEnginePrivate *p = QmlEnginePrivate::get(engine); + + if (p->cleanup) next = p->cleanup; + p->cleanup = this; + prev = &p->cleanup; + if (next) next->prev = &next; +} + +/*! +\internal +*/ +QmlCleanup::~QmlCleanup() +{ + if (prev) *prev = next; + if (next) next->prev = prev; + prev = 0; + next = 0; +} + |