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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "stylemanager.h"
#include <QStyleFactory>
#include <QApplication>
#include <QStyle>
namespace QmlDesigner {
namespace Internal {
// TODO KAI: REMOVE THIS CLASS
//### if we use this pattern often: make a template out of this!
class StyleManagerGuard { //This guard destroys the singleton in its destructor
public: //This should avoid that a memory leak is reported
~StyleManagerGuard() {
if (StyleManager::m_instance != 0)
delete StyleManager::m_instance;
}
};
} //namespace Internal
StyleManager* StyleManager::m_instance = 0;
void StyleManager::addView(NodeInstanceView* view)
{
instance()->m_views.append(view);
}
void StyleManager::removeView(NodeInstanceView* view)
{
instance()->m_views.removeAll(view);
}
QStringList StyleManager::styles()
{
return QStyleFactory::keys();
}
void StyleManager::setStyle(const QString &styleName)
{
QStyle *style = QStyleFactory::create(styleName);
if (style) {
foreach (NodeInstanceView* view, instance()->m_views)
view->setStyle(style);
}
}
StyleManager* StyleManager::instance()
{
static Internal::StyleManagerGuard guard; //The destructor destroys the singleton. See above
if (m_instance == 0)
m_instance = new StyleManager();
return m_instance;
}
QString StyleManager::applicationStyle()
{
QStyle *applicationStyle = qApp->style();
QStyle *style;
if (applicationStyle)
foreach(const QString &name, styles())
if ((style = QStyleFactory::create(name)) &&
(applicationStyle->metaObject()->className() ==
style->metaObject()->className()))
return name;
return QString();
}
} //namespace QmlDesigner
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