File indexing completed on 2024-04-14 03:52:52

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(), QStringLiteral("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 KIOCORE_EXPORT QString KIO::itemsSummaryString(uint items, uint files, uint dirs, KIO::filesize_t size, bool showSize)
0088 {
0089     if (files == 0 && dirs == 0 && items == 0) {
0090         return i18np("%1 Item", "%1 Items", 0);
0091     }
0092 
0093     QString summary;
0094     const QString foldersText = i18np("1 Folder", "%1 Folders", dirs);
0095     const QString filesText = i18np("1 File", "%1 Files", files);
0096     if (files > 0 && dirs > 0) {
0097         summary = showSize ? i18nc("folders, files (size)", "%1, %2 (%3)", foldersText, filesText, KIO::convertSize(size))
0098                            : i18nc("folders, files", "%1, %2", foldersText, filesText);
0099     } else if (files > 0) {
0100         summary = showSize ? i18nc("files (size)", "%1 (%2)", filesText, KIO::convertSize(size)) : filesText;
0101     } else if (dirs > 0) {
0102         summary = foldersText;
0103     }
0104 
0105     if (items > dirs + files) {
0106         const QString itemsText = i18np("%1 Item", "%1 Items", items);
0107         summary = summary.isEmpty() ? itemsText : i18nc("items: folders, files (size)", "%1: %2", itemsText, summary);
0108     }
0109 
0110     return summary;
0111 }
0112 
0113 KIOCORE_EXPORT QString KIO::encodeFileName(const QString &_str)
0114 {
0115     QString str(_str);
0116     str.replace(QLatin1Char('/'), QChar(0x2044)); // "Fraction slash"
0117     return str;
0118 }
0119 
0120 KIOCORE_EXPORT QString KIO::decodeFileName(const QString &_str)
0121 {
0122     // Nothing to decode. "Fraction slash" is fine in filenames.
0123     return _str;
0124 }
0125 
0126 /***************************************************************
0127  *
0128  * Utility functions
0129  *
0130  ***************************************************************/
0131 
0132 KIO::CacheControl KIO::parseCacheControl(const QString &cacheControl)
0133 {
0134     QString tmp = cacheControl.toLower();
0135 
0136     if (tmp == QLatin1String("cacheonly")) {
0137         return KIO::CC_CacheOnly;
0138     }
0139     if (tmp == QLatin1String("cache")) {
0140         return KIO::CC_Cache;
0141     }
0142     if (tmp == QLatin1String("verify")) {
0143         return KIO::CC_Verify;
0144     }
0145     if (tmp == QLatin1String("refresh")) {
0146         return KIO::CC_Refresh;
0147     }
0148     if (tmp == QLatin1String("reload")) {
0149         return KIO::CC_Reload;
0150     }
0151 
0152     qCDebug(KIO_CORE) << "unrecognized Cache control option:" << cacheControl;
0153     return KIO::CC_Verify;
0154 }
0155 
0156 QString KIO::getCacheControlString(KIO::CacheControl cacheControl)
0157 {
0158     if (cacheControl == KIO::CC_CacheOnly) {
0159         return QStringLiteral("CacheOnly");
0160     }
0161     if (cacheControl == KIO::CC_Cache) {
0162         return QStringLiteral("Cache");
0163     }
0164     if (cacheControl == KIO::CC_Verify) {
0165         return QStringLiteral("Verify");
0166     }
0167     if (cacheControl == KIO::CC_Refresh) {
0168         return QStringLiteral("Refresh");
0169     }
0170     if (cacheControl == KIO::CC_Reload) {
0171         return QStringLiteral("Reload");
0172     }
0173     qCDebug(KIO_CORE) << "unrecognized Cache control enum value:" << cacheControl;
0174     return QString();
0175 }
0176 
0177 QString KIO::favIconForUrl(const QUrl &url)
0178 {
0179     if (url.isLocalFile() || !url.scheme().startsWith(QLatin1String("http"))) {
0180         return QString();
0181     }
0182 
0183     return FavIconsCache::instance()->iconForUrl(url);
0184 }
0185 
0186 QString KIO::iconNameForUrl(const QUrl &url)
0187 {
0188     if (url.scheme().isEmpty()) { // empty URL or relative URL (e.g. '~')
0189         return QStringLiteral("unknown");
0190     }
0191     QMimeDatabase db;
0192     const QMimeType mt = db.mimeTypeForUrl(url);
0193     QString iconName;
0194 
0195     if (url.isLocalFile()) {
0196         // Check to see whether it's an xdg location (e.g. Pictures folder)
0197         if (mt.inherits(QStringLiteral("inode/directory"))) {
0198             iconName = KIOPrivate::iconForStandardPath(url.toLocalFile());
0199         }
0200 
0201         // Let KFileItem::iconName handle things for us
0202         if (iconName.isEmpty()) {
0203             const KFileItem item(url, mt.name());
0204             iconName = item.iconName();
0205         }
0206 
0207     } else {
0208         // It's non-local and maybe on a slow filesystem
0209 
0210         // Look for a favicon
0211         if (url.scheme().startsWith(QLatin1String("http"))) {
0212             iconName = favIconForUrl(url);
0213         }
0214 
0215         // Then handle the trash
0216         else if (url.scheme() == QLatin1String("trash")) {
0217             if (url.path().length() <= 1) { // trash:/ itself
0218                 KConfig trashConfig(QStringLiteral("trashrc"), KConfig::SimpleConfig);
0219                 iconName =
0220                     trashConfig.group(QStringLiteral("Status")).readEntry("Empty", true) ? QStringLiteral("user-trash") : QStringLiteral("user-trash-full");
0221             } else { // url.path().length() > 1, it's a file/folder under trash:/
0222                 iconName = mt.iconName();
0223             }
0224         }
0225 
0226         // and other protocols
0227         if (iconName.isEmpty() && (mt.isDefault() || url.path().size() <= 1)) {
0228             iconName = KProtocolInfo::icon(url.scheme());
0229         }
0230     }
0231     // if we found nothing, return QMimeType.iconName()
0232     // (which fallbacks to "application-octet-stream" when no MIME type could be determined)
0233     return !iconName.isEmpty() ? iconName : mt.iconName();
0234 }
0235 
0236 QUrl KIO::upUrl(const QUrl &url)
0237 {
0238     if (!url.isValid() || url.isRelative()) {
0239         return QUrl();
0240     }
0241 
0242     QUrl u(url);
0243     if (url.hasQuery()) {
0244         u.setQuery(QString());
0245         return u;
0246     }
0247     if (url.hasFragment()) {
0248         u.setFragment(QString());
0249     }
0250     u = u.adjusted(QUrl::StripTrailingSlash); /// don't combine with the line below
0251     return u.adjusted(QUrl::RemoveFilename);
0252 }