File indexing completed on 2024-04-28 11:40:55

0001 /*
0002     This file is part of the KDE libraries
0003     SPDX-FileCopyrightText: 2000 David Faure <faure@kde.org>
0004 
0005     SPDX-License-Identifier: LGPL-2.0-only
0006 */
0007 
0008 #include "global.h"
0009 #include "faviconscache_p.h"
0010 #include "kioglobal_p.h"
0011 
0012 #include <KConfig>
0013 #include <KConfigGroup>
0014 #include <KFileUtils>
0015 #include <KFormat>
0016 #include <KLocalizedString>
0017 #include <KSharedConfig>
0018 #include <QMimeDatabase>
0019 #include <QUrl>
0020 #include <kfileitem.h>
0021 #include <kprotocolinfo.h>
0022 
0023 #include "kiocoredebug.h"
0024 
0025 KFormat::BinaryUnitDialect _k_loadBinaryDialect();
0026 Q_GLOBAL_STATIC_WITH_ARGS(KFormat::BinaryUnitDialect, _k_defaultBinaryDialect, (_k_loadBinaryDialect()))
0027 
0028 KFormat::BinaryUnitDialect _k_loadBinaryDialect()
0029 {
0030     KConfigGroup mainGroup(KSharedConfig::openConfig(), "Locale");
0031 
0032     KFormat::BinaryUnitDialect dialect(KFormat::BinaryUnitDialect(mainGroup.readEntry("BinaryUnitDialect", int(KFormat::DefaultBinaryDialect))));
0033     dialect = static_cast<KFormat::BinaryUnitDialect>(mainGroup.readEntry("BinaryUnitDialect", int(dialect)));
0034 
0035     // Error checking
0036     if (dialect <= KFormat::DefaultBinaryDialect || dialect > KFormat::LastBinaryDialect) {
0037         dialect = KFormat::IECBinaryDialect;
0038     }
0039 
0040     return dialect;
0041 }
0042 
0043 KIOCORE_EXPORT QString KIO::convertSize(KIO::filesize_t fileSize)
0044 {
0045     const KFormat::BinaryUnitDialect dialect = *_k_defaultBinaryDialect();
0046 
0047     return KFormat().formatByteSize(fileSize, 1, dialect);
0048 }
0049 
0050 KIOCORE_EXPORT QString KIO::convertSizeFromKiB(KIO::filesize_t kibSize)
0051 {
0052     return convertSize(kibSize * 1024);
0053 }
0054 
0055 KIOCORE_EXPORT QString KIO::number(KIO::filesize_t size)
0056 {
0057     char charbuf[256];
0058     sprintf(charbuf, "%lld", size);
0059     return QLatin1String(charbuf);
0060 }
0061 
0062 KIOCORE_EXPORT unsigned int KIO::calculateRemainingSeconds(KIO::filesize_t totalSize, KIO::filesize_t processedSize, KIO::filesize_t speed)
0063 {
0064     if ((speed != 0) && (totalSize != 0)) {
0065         return (totalSize - processedSize) / speed;
0066     } else {
0067         return 0;
0068     }
0069 }
0070 
0071 KIOCORE_EXPORT QString KIO::convertSeconds(unsigned int seconds)
0072 {
0073     unsigned int days = seconds / 86400;
0074     unsigned int hours = (seconds - (days * 86400)) / 3600;
0075     unsigned int mins = (seconds - (days * 86400) - (hours * 3600)) / 60;
0076     seconds = (seconds - (days * 86400) - (hours * 3600) - (mins * 60));
0077 
0078     const QTime time(hours, mins, seconds);
0079     const QString timeStr(time.toString(QStringLiteral("hh:mm:ss")));
0080     if (days > 0) {
0081         return i18np("1 day %2", "%1 days %2", days, timeStr);
0082     } else {
0083         return timeStr;
0084     }
0085 }
0086 
0087 #if KIOCORE_BUILD_DEPRECATED_SINCE(3, 4)
0088 KIOCORE_EXPORT QTime KIO::calculateRemaining(KIO::filesize_t totalSize, KIO::filesize_t processedSize, KIO::filesize_t speed)
0089 {
0090     QTime remainingTime;
0091 
0092     if (speed != 0) {
0093         KIO::filesize_t secs;
0094         if (totalSize == 0) {
0095             secs = 0;
0096         } else {
0097             secs = (totalSize - processedSize) / speed;
0098         }
0099         if (secs >= (24 * 60 * 60)) { // Limit to 23:59:59
0100             secs = (24 * 60 * 60) - 1;
0101         }
0102         int hr = secs / (60 * 60);
0103         int mn = (secs - hr * 60 * 60) / 60;
0104         int sc = (secs - hr * 60 * 60 - mn * 60);
0105 
0106         remainingTime.setHMS(hr, mn, sc);
0107     }
0108 
0109     return remainingTime;
0110 }
0111 #endif
0112 
0113 KIOCORE_EXPORT QString KIO::itemsSummaryString(uint items, uint files, uint dirs, KIO::filesize_t size, bool showSize)
0114 {
0115     if (files == 0 && dirs == 0 && items == 0) {
0116         return i18np("%1 Item", "%1 Items", 0);
0117     }
0118 
0119     QString summary;
0120     const QString foldersText = i18np("1 Folder", "%1 Folders", dirs);
0121     const QString filesText = i18np("1 File", "%1 Files", files);
0122     if (files > 0 && dirs > 0) {
0123         summary = showSize ? i18nc("folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KIO::convertSize(size))
0124                            : i18nc("folders, files", "%1, %2", foldersText, filesText);
0125     } else if (files > 0) {
0126         summary = showSize ? i18nc("files (size)", "%1 (%2)", filesText, KIO::convertSize(size)) : filesText;
0127     } else if (dirs > 0) {
0128         summary = foldersText;
0129     }
0130 
0131     if (items > dirs + files) {
0132         const QString itemsText = i18np("%1 Item", "%1 Items", items);
0133         summary = summary.isEmpty() ? itemsText : i18nc("items: folders, files (size)", "%1: %2", itemsText, summary);
0134     }
0135 
0136     return summary;
0137 }
0138 
0139 KIOCORE_EXPORT QString KIO::encodeFileName(const QString &_str)
0140 {
0141     QString str(_str);
0142     str.replace(QLatin1Char('/'), QChar(0x2044)); // "Fraction slash"
0143     return str;
0144 }
0145 
0146 KIOCORE_EXPORT QString KIO::decodeFileName(const QString &_str)
0147 {
0148     // Nothing to decode. "Fraction slash" is fine in filenames.
0149     return _str;
0150 }
0151 
0152 /***************************************************************
0153  *
0154  * Utility functions
0155  *
0156  ***************************************************************/
0157 
0158 KIO::CacheControl KIO::parseCacheControl(const QString &cacheControl)
0159 {
0160     QString tmp = cacheControl.toLower();
0161 
0162     if (tmp == QLatin1String("cacheonly")) {
0163         return KIO::CC_CacheOnly;
0164     }
0165     if (tmp == QLatin1String("cache")) {
0166         return KIO::CC_Cache;
0167     }
0168     if (tmp == QLatin1String("verify")) {
0169         return KIO::CC_Verify;
0170     }
0171     if (tmp == QLatin1String("refresh")) {
0172         return KIO::CC_Refresh;
0173     }
0174     if (tmp == QLatin1String("reload")) {
0175         return KIO::CC_Reload;
0176     }
0177 
0178     qCDebug(KIO_CORE) << "unrecognized Cache control option:" << cacheControl;
0179     return KIO::CC_Verify;
0180 }
0181 
0182 QString KIO::getCacheControlString(KIO::CacheControl cacheControl)
0183 {
0184     if (cacheControl == KIO::CC_CacheOnly) {
0185         return QStringLiteral("CacheOnly");
0186     }
0187     if (cacheControl == KIO::CC_Cache) {
0188         return QStringLiteral("Cache");
0189     }
0190     if (cacheControl == KIO::CC_Verify) {
0191         return QStringLiteral("Verify");
0192     }
0193     if (cacheControl == KIO::CC_Refresh) {
0194         return QStringLiteral("Refresh");
0195     }
0196     if (cacheControl == KIO::CC_Reload) {
0197         return QStringLiteral("Reload");
0198     }
0199     qCDebug(KIO_CORE) << "unrecognized Cache control enum value:" << cacheControl;
0200     return QString();
0201 }
0202 
0203 QString KIO::favIconForUrl(const QUrl &url)
0204 {
0205     if (url.isLocalFile() || !url.scheme().startsWith(QLatin1String("http"))) {
0206         return QString();
0207     }
0208 
0209     return FavIconsCache::instance()->iconForUrl(url);
0210 }
0211 
0212 QString KIO::iconNameForUrl(const QUrl &url)
0213 {
0214     if (url.scheme().isEmpty()) { // empty URL or relative URL (e.g. '~')
0215         return QStringLiteral("unknown");
0216     }
0217     QMimeDatabase db;
0218     const QMimeType mt = db.mimeTypeForUrl(url);
0219     QString iconName;
0220 
0221     if (url.isLocalFile()) {
0222         // Check to see whether it's an xdg location (e.g. Pictures folder)
0223         if (mt.inherits(QStringLiteral("inode/directory"))) {
0224             iconName = KIOPrivate::iconForStandardPath(url.toLocalFile());
0225         }
0226 
0227         // Let KFileItem::iconName handle things for us
0228         if (iconName.isEmpty()) {
0229             const KFileItem item(url, mt.name());
0230             iconName = item.iconName();
0231         }
0232 
0233     } else {
0234         // It's non-local and maybe on a slow filesystem
0235 
0236         // Look for a favicon
0237         if (url.scheme().startsWith(QLatin1String("http"))) {
0238             iconName = favIconForUrl(url);
0239         }
0240 
0241         // Then handle the trash
0242         else if (url.scheme() == QLatin1String("trash")) {
0243             if (url.path().length() <= 1) { // trash:/ itself
0244                 KConfig trashConfig(QStringLiteral("trashrc"), KConfig::SimpleConfig);
0245                 iconName = trashConfig.group("Status").readEntry("Empty", true) ? QStringLiteral("user-trash") : QStringLiteral("user-trash-full");
0246             } else { // url.path().length() > 1, it's a file/folder under trash:/
0247                 iconName = mt.iconName();
0248             }
0249         }
0250 
0251         // and other protocols
0252         if (iconName.isEmpty() && (mt.isDefault() || url.path().size() <= 1)) {
0253             iconName = KProtocolInfo::icon(url.scheme());
0254         }
0255     }
0256     // if we found nothing, return QMimeType.iconName()
0257     // (which fallbacks to "application-octet-stream" when no MIME type could be determined)
0258     return !iconName.isEmpty() ? iconName : mt.iconName();
0259 }
0260 
0261 QUrl KIO::upUrl(const QUrl &url)
0262 {
0263     if (!url.isValid() || url.isRelative()) {
0264         return QUrl();
0265     }
0266 
0267     QUrl u(url);
0268     if (url.hasQuery()) {
0269         u.setQuery(QString());
0270         return u;
0271     }
0272     if (url.hasFragment()) {
0273         u.setFragment(QString());
0274     }
0275     u = u.adjusted(QUrl::StripTrailingSlash); /// don't combine with the line below
0276     return u.adjusted(QUrl::RemoveFilename);
0277 }
0278 
0279 #if KIOCORE_BUILD_DEPRECATED_SINCE(5, 61)
0280 QString KIO::suggestName(const QUrl &baseURL, const QString &oldName)
0281 {
0282     return KFileUtils::suggestName(baseURL, oldName);
0283 }
0284 #endif