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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* Razor - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2010-2011 Razor team
* Authors:
* Alexander Sokoloff <sokoloff.a@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "xdgicon.h"
#include <QString>
#include <QDebug>
#include <QDir>
#include <QStringList>
#include <QFileInfo>
#include <QCache>
#include "internal/qiconloader_p.h"
#include <QCoreApplication>
/************************************************
************************************************/
static void qt_cleanup_icon_cache();
typedef QCache<QString, QIcon> IconCache;
namespace
{
struct QtIconCache : public IconCache
{
QtIconCache()
{
qAddPostRoutine(qt_cleanup_icon_cache);
}
};
}
Q_GLOBAL_STATIC(IconCache, qtIconCache)
static void qt_cleanup_icon_cache()
{
qtIconCache()->clear();
}
/************************************************
************************************************/
XdgIcon::XdgIcon()
{
}
/************************************************
************************************************/
XdgIcon::~XdgIcon()
{
}
/************************************************
Returns the name of the current icon theme.
************************************************/
QString XdgIcon::themeName()
{
return QIcon::themeName();
}
/************************************************
Sets the current icon theme to name.
************************************************/
void XdgIcon::setThemeName(const QString &themeName)
{
QIcon::setThemeName(themeName);
QtXdg::QIconLoader::instance()->updateSystemTheme();
}
/************************************************
Returns the QIcon corresponding to name in the current icon theme. If no such icon
is found in the current theme fallback is return instead.
************************************************/
QIcon XdgIcon::fromTheme(const QString &iconName, const QIcon &fallback)
{
if (iconName.isEmpty())
return fallback;
bool isAbsolute = (iconName[0] == '/');
QString name = QFileInfo(iconName).fileName();
if (name.endsWith(".png", Qt::CaseInsensitive) ||
name.endsWith(".svg", Qt::CaseInsensitive) ||
name.endsWith(".xpm", Qt::CaseInsensitive))
{
name.truncate(name.length() - 4);
}
QIcon icon;
if (qtIconCache()->contains(name))
{
icon = *qtIconCache()->object(name);
}
else
{
QIcon *cachedIcon;
if (!isAbsolute)
cachedIcon = new QIcon(new QtXdg::QIconLoaderEngineFixed(name));
else
cachedIcon = new QIcon(iconName);
qtIconCache()->insert(name, cachedIcon);
icon = *cachedIcon;
}
// Note the qapp check is to allow lazy loading of static icons
// Supporting fallbacks will not work for this case.
if (qApp && !isAbsolute && icon.availableSizes().isEmpty())
{
return fallback;
}
return icon;
}
/************************************************
Returns the QIcon corresponding to names in the current icon theme. If no such icon
is found in the current theme fallback is return instead.
************************************************/
QIcon XdgIcon::fromTheme(const QStringList &iconNames, const QIcon &fallback)
{
foreach (QString iconName, iconNames)
{
QIcon icon = fromTheme(iconName);
if (!icon.isNull())
return icon;
}
return fallback;
}
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