Commit 468bddda authored by Laurent Montel's avatar Laurent Montel 😁

We need it for caching icons

parent 82fa598f
......@@ -37,6 +37,7 @@ set(akonadicontact_addresslocation_editor_SRCS
editor/addresseditor/addresseslocationviewer.cpp
editor/addresseditor/addresseslocationgrantleeformater.cpp
editor/addresseditor/addressgrantleeobject.cpp
editor/addresseditor/iconnamecache.cpp
)
set(akonadicontact_editor_SRCS
......
/* Copyright 2009 Thomas McGuire <mcguire@kde.org>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License or
( at your option ) version 3 or, at the discretion of KDE e.V.
( which shall act as a proxy as in section 14 of the GPLv3 ), 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "iconnamecache_p.h"
#include <KIconLoader>
Q_GLOBAL_STATIC(IconNameCache, s_iconNameCache)
IconNameCache *IconNameCache::instance()
{
return s_iconNameCache;
}
bool IconNameCache::Entry::operator < (const Entry &other) const
{
const int fileNameCompare = fileName.compare(other.fileName);
if (fileNameCompare != 0) {
return fileNameCompare < 0;
} else {
return size < other.size;
}
}
QString IconNameCache::iconPath(const QString &name, int size) const
{
Entry entry;
entry.fileName = name;
entry.size = size;
if (mCachedEntries.contains(entry)) {
return mCachedEntries.value(entry);
}
const QString fileName = KIconLoader::global()->iconPath(name, size);
mCachedEntries.insert(entry, fileName);
return fileName;
}
/* Copyright 2009 Thomas McGuire <mcguire@kde.org>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2 of the License or
( at your option ) version 3 or, at the discretion of KDE e.V.
( which shall act as a proxy as in section 14 of the GPLv3 ), 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef ICONNAMECACHE_H
#define ICONNAMECACHE_H
#include <QMap>
#include <QString>
/**
* This class is a replacement for KIconLoader::iconPath(), because the iconPath()
* function can be slow for non-existing icons or icons that fall back to a generic icon.
* Reason is that KIconLoader does slow system calls for finding the icons.
*
* The IconNameCache caches the result of iconPath() in a map and solves the slowness.
*/
class IconNameCache
{
public:
static IconNameCache *instance();
QString iconPath(const QString &name, int size) const;
private:
class Entry
{
public:
QString fileName;
int size;
bool operator < (const Entry &other) const;
};
mutable QMap<Entry, QString> mCachedEntries;
};
#endif
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