88 lines
1.9 KiB
C++
88 lines
1.9 KiB
C++
#include "diskinfo.hpp"
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namespace ZShell::services {
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namespace {
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constexpr qreal kKib = 1024.0;
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} // namespace
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DiskInfo::DiskInfo(
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QString mount,
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quint64 usedBytes,
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quint64 totalBytes,
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bool hasRoot,
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QObject* parent)
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: QObject(parent)
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, m_mount(std::move(mount))
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, m_usedBytes(usedBytes)
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, m_totalBytes(totalBytes)
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, m_hasRoot(hasRoot) {}
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QString DiskInfo::mount() const {
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return m_mount;
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}
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// Display label. mount stays the full path because it is the identity used to
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// match entries across ticks, so this only shortens what the UI shows. For
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// physical disks mount is already the device name and is returned unchanged.
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QString DiskInfo::name() const {
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const qsizetype slash = m_mount.lastIndexOf(QLatin1Char('/'));
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if (slash < 0) {
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return m_mount;
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}
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const QString leaf = m_mount.mid(slash + 1);
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return leaf.isEmpty() ? m_mount : leaf;
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}
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qreal DiskInfo::used() const {
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return static_cast<qreal>(m_usedBytes) / kKib;
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}
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qreal DiskInfo::total() const {
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return static_cast<qreal>(m_totalBytes) / kKib;
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}
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qreal DiskInfo::free() const {
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const quint64 freeBytes =
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m_totalBytes > m_usedBytes ? m_totalBytes - m_usedBytes : 0;
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return static_cast<qreal>(freeBytes) / kKib;
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}
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qreal DiskInfo::perc() const {
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return m_totalBytes > 0 ? static_cast<qreal>(m_usedBytes) /
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static_cast<qreal>(m_totalBytes)
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: 0.0;
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}
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bool DiskInfo::hasRoot() const {
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return m_hasRoot;
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}
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void DiskInfo::update(quint64 usedBytes, quint64 totalBytes, bool hasRoot) {
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const bool usedDiff = usedBytes != m_usedBytes;
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const bool totalDiff = totalBytes != m_totalBytes;
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const bool rootDiff = hasRoot != m_hasRoot;
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m_usedBytes = usedBytes;
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m_totalBytes = totalBytes;
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m_hasRoot = hasRoot;
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if (usedDiff) {
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Q_EMIT usedChanged();
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}
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if (totalDiff) {
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Q_EMIT totalChanged();
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}
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if (usedDiff || totalDiff) {
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Q_EMIT freeChanged();
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Q_EMIT percChanged();
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}
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if (rootDiff) {
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Q_EMIT hasRootChanged();
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}
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}
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} // namespace ZShell::services
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