88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "freespaceinfo.h"
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#include "support/utils.h"
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#ifdef ENABLE_KDE_SUPPORT
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#include <KDE/KDiskFreeSpaceInfo>
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#elif defined(Q_OS_UNIX)
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#include <sys/statvfs.h>
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#elif defined Q_OS_WIN
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#include "windows.h"
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#endif
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FreeSpaceInfo::FreeSpaceInfo(const QString &path)
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: location(path)
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, isDirty(true)
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, totalSize(0)
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, usedSpace(0)
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{
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}
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void FreeSpaceInfo::setPath(const QString &path)
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{
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if (location!=path) {
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location=Utils::fixPath(path);
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isDirty=true;
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}
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}
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qulonglong FreeSpaceInfo::size()
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{
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if (isDirty) {
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update();
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}
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return totalSize;
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}
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qulonglong FreeSpaceInfo::used()
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{
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if (isDirty) {
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update();
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}
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return usedSpace;
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}
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void FreeSpaceInfo::update()
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{
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#ifdef ENABLE_KDE_SUPPORT
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KDiskFreeSpaceInfo inf=KDiskFreeSpaceInfo::freeSpaceInfo(location);
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totalSize=inf.size();
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usedSpace=inf.used();
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#elif defined(Q_OS_UNIX)
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struct statvfs fs_info;
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if (0==statvfs(location.toLocal8Bit().constData(), &fs_info)) {
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totalSize=quint64(fs_info.f_blocks) * quint64(fs_info.f_bsize);
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usedSpace=totalSize-(quint64(fs_info.f_bavail) * quint64(fs_info.f_bsize));
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}
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#elif defined(Q_OS_WIN32)
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_ULARGE_INTEGER totalRet;
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_ULARGE_INTEGER freeRet;
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if (0!=GetDiskFreeSpaceEx(QDir::toNativeSeparators(location).toLocal8Bit().constData(), &freeRet, &totalRet, NULL)) {
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totalSize=totalRet.QuadPart;
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usedSpace=totalRet.QuadPart-freeRet.QuadPart;
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}
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#endif
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isDirty=false;
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}
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