diff options
author | Matthew Vogt <matthew.vogt@nokia.com> | 2012-02-16 14:43:03 +1000 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-02-24 04:51:31 +0100 |
commit | b855240b782395f94315f43ea3e7e182299fac48 (patch) | |
tree | bc594c04449be8cd14cd0ab0bb72dafc2be0ffb2 /src/qml/qml/qqmlcleanup.cpp | |
parent | 6a42a6e0a9a1abdda0d07a5a20b4ac7e45348684 (diff) |
Rename QDeclarative symbols to QQuick and QQml
Symbols beginning with QDeclarative are already exported
by the quick1 module.
Users can apply the bin/rename-qtdeclarative-symbols.sh
script to modify client code using the previous names of the
renamed symbols.
Task-number: QTBUG-23737
Change-Id: Ifaa482663767634931e8711a8e9bf6e404859e66
Reviewed-by: Martin Jones <martin.jones@nokia.com>
Diffstat (limited to 'src/qml/qml/qqmlcleanup.cpp')
-rw-r--r-- | src/qml/qml/qqmlcleanup.cpp | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlcleanup.cpp b/src/qml/qml/qqmlcleanup.cpp new file mode 100644 index 0000000000..21ea02ee17 --- /dev/null +++ b/src/qml/qml/qqmlcleanup.cpp @@ -0,0 +1,118 @@ +/**************************************************************************** +** +** 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 "qqmlcleanup_p.h" + +#include "qqmlengine_p.h" + +QT_BEGIN_NAMESPACE + +/*! +\internal +\class QQmlCleanup +\brief The QQmlCleanup provides a callback when a QQmlEngine is deleted. + +Any object that needs cleanup to occur before the QQmlEngine's V8 engine is +destroyed should inherit from QQmlCleanup. The clear() virtual method will be +called by QQmlEngine just before it destroys the context. +*/ + + +/* +Create a QQmlCleanup that is not associated with any engine. +*/ +QQmlCleanup::QQmlCleanup() +: prev(0), next(0), engine(0) +{ +} + +/*! +Create a QQmlCleanup for \a engine +*/ +QQmlCleanup::QQmlCleanup(QQmlEngine *engine) +: prev(0), next(0), engine(0) +{ + if (!engine) + return; + + addToEngine(engine); +} + +/*! +Adds this object to \a engine's cleanup list. hasEngine() must be false +before calling this method. +*/ +void QQmlCleanup::addToEngine(QQmlEngine *engine) +{ + Q_ASSERT(engine); + Q_ASSERT(QQmlEnginePrivate::isEngineThread(engine)); + + this->engine = engine; + + QQmlEnginePrivate *p = QQmlEnginePrivate::get(engine); + + if (p->cleanup) next = p->cleanup; + p->cleanup = this; + prev = &p->cleanup; + if (next) next->prev = &next; +} + +/*! +\fn bool QQmlCleanup::hasEngine() const + +Returns true if this QQmlCleanup is associated with an engine, otherwise false. +*/ + +/*! +\internal +*/ +QQmlCleanup::~QQmlCleanup() +{ + Q_ASSERT(!prev || engine); + Q_ASSERT(!prev || QQmlEnginePrivate::isEngineThread(engine)); + + if (prev) *prev = next; + if (next) next->prev = prev; + prev = 0; + next = 0; +} + +QT_END_NAMESPACE |