strawberry-audio-player-win.../src/core/utilities.cpp

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/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
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*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
#include "config.h"
#include <memory>
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#include <cstdlib>
#include <iconv.h>
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#include <QtGlobal>
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#include <QApplication>
#include <QCoreApplication>
#include <QWindow>
#include <QWidget>
#include <QObject>
#include <QIODevice>
#include <QByteArray>
#include <QMetaObject>
#include <QChar>
#include <QCryptographicHash>
#include <QDate>
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#include <QDateTime>
#include <QDesktopServices>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QProcess>
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#include <QList>
#include <QMap>
#include <QString>
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#include <QStringList>
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#include <QUrl>
#include <QRegularExpression>
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#include <QRegularExpressionMatch>
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#include <QSize>
#include <QColor>
#include <QRegion>
#include <QMetaEnum>
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#include <QXmlStreamReader>
#include <QSettings>
#include <QtEvents>
#include <QMessageBox>
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#include <QNetworkInterface>
#include <QMimeDatabase>
#include <QtDebug>
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
# include <QRandomGenerator>
#endif
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#include <cstdio>
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#ifdef Q_OS_LINUX
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# include <unistd.h>
# include <sys/syscall.h>
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#endif
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#ifdef Q_OS_MACOS
# include <sys/resource.h>
# include <sys/sysctl.h>
# include <sys/param.h>
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#endif
#if defined(Q_OS_UNIX)
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# include <sys/statvfs.h>
#elif defined(Q_OS_WIN)
# include <windows.h>
# include <dwmapi.h>
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#endif
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#ifdef Q_OS_MACOS
# include "CoreServices/CoreServices.h"
# include "IOKit/ps/IOPSKeys.h"
# include "IOKit/ps/IOPowerSources.h"
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#endif
#include "core/logging.h"
#include "core/song.h"
#include "utilities.h"
#include "timeconstants.h"
#include "application.h"
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#ifdef Q_OS_MACOS
# include "mac_startup.h"
# include "mac_utilities.h"
# include "scoped_cftyperef.h"
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#endif
namespace Utilities {
static QString tr(const char *str) {
return QCoreApplication::translate("", str);
}
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QString PrettyTimeDelta(const int seconds) {
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return (seconds >= 0 ? "+" : "-") + PrettyTime(seconds);
}
QString PrettyTime(int seconds) {
// last.fm sometimes gets the track length wrong, so you end up with negative times.
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seconds = qAbs(seconds);
int hours = seconds / (60 * 60);
int minutes = (seconds / 60) % 60;
seconds %= 60;
QString ret;
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if (hours > 0) ret = QString::asprintf("%d:%02d:%02d", hours, minutes, seconds);
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else ret = QString::asprintf("%d:%02d", minutes, seconds);
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return ret;
}
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QString PrettyTimeNanosec(const qint64 nanoseconds) {
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return PrettyTime(static_cast<int>(nanoseconds / kNsecPerSec));
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}
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QString WordyTime(const quint64 seconds) {
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quint64 days = seconds / (60 * 60 * 24);
// TODO: Make the plural rules translatable
QStringList parts;
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if (days > 0) parts << (days == 1 ? tr("1 day") : tr("%1 days").arg(days));
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parts << PrettyTime(static_cast<int>(seconds - days * 60 * 60 * 24));
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return parts.join(" ");
}
QString WordyTimeNanosec(const quint64 nanoseconds) {
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return WordyTime(nanoseconds / kNsecPerSec);
}
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QString Ago(const qint64 seconds_since_epoch, const QLocale &locale) {
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const QDateTime now = QDateTime::currentDateTime();
const QDateTime then = QDateTime::fromSecsSinceEpoch(seconds_since_epoch);
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const qint64 days_ago = then.date().daysTo(now.date());
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const QString time = then.time().toString(locale.timeFormat(QLocale::ShortFormat));
if (days_ago == 0) return tr("Today") + " " + time;
if (days_ago == 1) return tr("Yesterday") + " " + time;
if (days_ago <= 7) return tr("%1 days ago").arg(days_ago);
return then.date().toString(locale.dateFormat(QLocale::ShortFormat));
}
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QString PrettyFutureDate(const QDate date) {
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const QDate now = QDate::currentDate();
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const qint64 delta_days = now.daysTo(date);
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if (delta_days < 0) return QString();
if (delta_days == 0) return tr("Today");
if (delta_days == 1) return tr("Tomorrow");
if (delta_days <= 7) return tr("In %1 days").arg(delta_days);
if (delta_days <= 14) return tr("Next week");
return tr("In %1 weeks").arg(delta_days / 7);
}
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QString PrettySize(const quint64 bytes) {
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QString ret;
if (bytes > 0) {
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if (bytes <= 1000) {
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ret = QString::number(bytes) + " bytes";
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}
else if (bytes <= 1000 * 1000) {
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ret = QString::asprintf("%.1f KB", float(bytes) / 1000);
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}
else if (bytes <= 1000 * 1000 * 1000) {
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ret = QString::asprintf("%.1f MB", float(bytes) / (1000 * 1000));
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}
else {
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ret = QString::asprintf("%.1f GB", float(bytes) / (1000 * 1000 * 1000));
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}
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}
return ret;
}
quint64 FileSystemCapacity(const QString &path) {
#if defined(Q_OS_UNIX)
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struct statvfs fs_info {};
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if (statvfs(path.toLocal8Bit().constData(), &fs_info) == 0)
return quint64(fs_info.f_blocks) * quint64(fs_info.f_bsize);
#elif defined(Q_OS_WIN32)
_ULARGE_INTEGER ret;
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ScopedWCharArray wchar(QDir::toNativeSeparators(path));
if (GetDiskFreeSpaceEx(wchar.get(), nullptr, &ret, nullptr) != 0)
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return ret.QuadPart;
#endif
return 0;
}
quint64 FileSystemFreeSpace(const QString &path) {
#if defined(Q_OS_UNIX)
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struct statvfs fs_info {};
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if (statvfs(path.toLocal8Bit().constData(), &fs_info) == 0)
return quint64(fs_info.f_bavail) * quint64(fs_info.f_bsize);
#elif defined(Q_OS_WIN32)
_ULARGE_INTEGER ret;
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ScopedWCharArray wchar(QDir::toNativeSeparators(path));
if (GetDiskFreeSpaceEx(wchar.get(), &ret, nullptr, nullptr) != 0)
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return ret.QuadPart;
#endif
return 0;
}
bool MoveToTrashRecursive(const QString &path) {
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
QDir dir(path);
for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs | QDir::Hidden)) {
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if (!MoveToTrashRecursive(path + "/" + child)) {
return false;
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}
}
for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Files | QDir::Hidden)) {
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if (!QFile::moveToTrash(path + "/" + child)) {
return false;
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}
}
return dir.rmdir(path);
#else
Q_UNUSED(path)
return false;
#endif
}
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bool RemoveRecursive(const QString &path) {
QDir dir(path);
for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs | QDir::Hidden)) {
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if (!RemoveRecursive(path + "/" + child)) {
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return false;
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}
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}
for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Files | QDir::Hidden)) {
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if (!QFile::remove(path + "/" + child)) {
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return false;
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}
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}
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return dir.rmdir(path);
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}
bool CopyRecursive(const QString &source, const QString &destination) {
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// Make the destination directory
QString dir_name = source.section('/', -1, -1);
QString dest_path = destination + "/" + dir_name;
QDir().mkpath(dest_path);
QDir dir(source);
for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs)) {
if (!CopyRecursive(source + "/" + child, dest_path)) {
qLog(Warning) << "Failed to copy dir" << source + "/" + child << "to" << dest_path;
return false;
}
}
for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Files)) {
if (!QFile::copy(source + "/" + child, dest_path + "/" + child)) {
qLog(Warning) << "Failed to copy file" << source + "/" + child << "to" << dest_path;
return false;
}
}
return true;
}
bool Copy(QIODevice *source, QIODevice *destination) {
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if (!source->open(QIODevice::ReadOnly)) return false;
if (!destination->open(QIODevice::WriteOnly)) return false;
const qint64 bytes = source->size();
std::unique_ptr<char[]> data(new char[bytes]);
qint64 pos = 0;
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qint64 bytes_read = 0;
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do {
bytes_read = source->read(data.get() + pos, bytes - pos);
if (bytes_read == -1) return false;
pos += bytes_read;
} while (bytes_read > 0 && pos != bytes);
pos = 0;
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qint64 bytes_written = 0;
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do {
bytes_written = destination->write(data.get() + pos, bytes - pos);
if (bytes_written == -1) return false;
pos += bytes_written;
} while (bytes_written > 0 && pos != bytes);
return true;
}
QString ColorToRgba(const QColor &c) {
return QString("rgba(%1, %2, %3, %4)")
.arg(c.red())
.arg(c.green())
.arg(c.blue())
.arg(c.alpha());
}
#if defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)
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void OpenInFileManager(const QString &path, const QUrl &url);
void OpenInFileManager(const QString &path, const QUrl &url) {
if (!url.isLocalFile()) return;
QProcess proc;
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
proc.startCommand("xdg-mime query default inode/directory");
#else
proc.start("xdg-mime", QStringList() << "query" << "default" << "inode/directory");
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#endif
proc.waitForFinished();
QString desktop_file = proc.readLine().simplified();
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QStringList data_dirs = QString(qgetenv("XDG_DATA_DIRS")).split(":");
QString command;
QStringList command_params;
for (const QString &data_dir : data_dirs) {
QString desktop_file_path = QString("%1/applications/%2").arg(data_dir, desktop_file);
if (!QFile::exists(desktop_file_path)) continue;
QSettings setting(desktop_file_path, QSettings::IniFormat);
setting.beginGroup("Desktop Entry");
if (setting.contains("Exec")) {
QString cmd = setting.value("Exec").toString();
if (cmd.isEmpty()) break;
cmd = cmd.remove(QRegularExpression("[%][a-zA-Z]*( |$)", QRegularExpression::CaseInsensitiveOption));
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
command_params = cmd.split(' ', Qt::SkipEmptyParts);
#else
command_params = cmd.split(' ', QString::SkipEmptyParts);
#endif
command = command_params.first();
command_params.removeFirst();
}
setting.endGroup();
if (!command.isEmpty()) break;
}
if (command.startsWith("/usr/bin/")) {
command = command.split("/").last();
}
if (command.isEmpty() || command == "exo-open") {
QDesktopServices::openUrl(QUrl::fromLocalFile(path));
}
else if (command.startsWith("nautilus")) {
proc.startDetached(command, QStringList() << command_params << "--select" << url.toLocalFile());
}
else if (command.startsWith("dolphin") || command.startsWith("konqueror") || command.startsWith("kfmclient")) {
proc.startDetached(command, QStringList() << command_params << "--select" << "--new-window" << url.toLocalFile());
}
else if (command.startsWith("caja")) {
proc.startDetached(command, QStringList() << command_params << "--no-desktop" << path);
}
else if (command.startsWith("pcmanfm") || command.startsWith("thunar")) {
proc.startDetached(command, QStringList() << command_params << path);
}
else {
proc.startDetached(command, QStringList() << command_params << url.toLocalFile());
}
}
#endif
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#ifdef Q_OS_MACOS
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// Better than openUrl(dirname(path)) - also highlights file at path
void RevealFileInFinder(const QString &path) {
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QProcess::execute("/usr/bin/open", QStringList() << "-R" << path);
}
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#endif // Q_OS_MACOS
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#ifdef Q_OS_WIN
void ShowFileInExplorer(const QString &path);
void ShowFileInExplorer(const QString &path) {
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QProcess::execute("explorer.exe", QStringList() << "/select," << QDir::toNativeSeparators(path));
}
#endif
void OpenInFileBrowser(const QList<QUrl> &urls) {
QMap<QString, QUrl> dirs;
for (const QUrl &url : urls) {
if (!url.isLocalFile()) {
continue;
}
QString path = url.toLocalFile();
if (!QFile::exists(path)) continue;
const QString directory = QFileInfo(path).dir().path();
if (dirs.contains(directory)) continue;
dirs.insert(directory, url);
}
if (dirs.count() > 50) {
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QMessageBox messagebox(QMessageBox::Critical, tr("Show in file browser"), tr("Too many songs selected."));
messagebox.exec();
return;
}
if (dirs.count() > 5) {
QMessageBox messagebox(QMessageBox::Information, tr("Show in file browser"), tr("%1 songs in %2 different directories selected, are you sure you want to open them all?").arg(urls.count()).arg(dirs.count()), QMessageBox::Open|QMessageBox::Cancel);
messagebox.setTextFormat(Qt::RichText);
int result = messagebox.exec();
switch (result) {
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case QMessageBox::Open:
break;
case QMessageBox::Cancel:
default:
return;
}
}
QMap<QString, QUrl>::iterator i;
for (i = dirs.begin(); i != dirs.end(); ++i) {
#if defined(Q_OS_UNIX) && !defined(Q_OS_MACOS)
OpenInFileManager(i.key(), i.value());
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#elif defined(Q_OS_MACOS)
// Revealing multiple files in the finder only opens one window, so it also makes sense to reveal at most one per directory
RevealFileInFinder(i.value().toLocalFile());
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#elif defined(Q_OS_WIN32)
ShowFileInExplorer(i.value().toLocalFile());
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#endif
}
}
QByteArray Hmac(const QByteArray &key, const QByteArray &data, const QCryptographicHash::Algorithm method) {
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const int kBlockSize = 64; // bytes
Q_ASSERT(key.length() <= kBlockSize);
QByteArray inner_padding(kBlockSize, char(0x36));
QByteArray outer_padding(kBlockSize, char(0x5c));
for (int i = 0; i < key.length(); ++i) {
inner_padding[i] = inner_padding[i] ^ key[i];
outer_padding[i] = outer_padding[i] ^ key[i];
}
QByteArray part;
part.append(inner_padding);
part.append(data);
QByteArray total;
total.append(outer_padding);
total.append(QCryptographicHash::hash(part, method));
return QCryptographicHash::hash(total, method);
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}
QByteArray HmacSha256(const QByteArray &key, const QByteArray &data) {
return Hmac(key, data, QCryptographicHash::Sha256);
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}
QByteArray HmacMd5(const QByteArray &key, const QByteArray &data) {
return Hmac(key, data, QCryptographicHash::Md5);
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}
QByteArray HmacSha1(const QByteArray &key, const QByteArray &data) {
return Hmac(key, data, QCryptographicHash::Sha1);
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}
QByteArray Sha1CoverHash(const QString &artist, const QString &album) {
QCryptographicHash hash(QCryptographicHash::Sha1);
hash.addData(artist.toLower().toUtf8().constData());
hash.addData(album.toLower().toUtf8().constData());
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return hash.result();
}
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QString PrettySize(const QSize size) {
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return QString::number(size.width()) + "x" + QString::number(size.height());
}
void ConsumeCurrentElement(QXmlStreamReader *reader) {
int level = 1;
while (level != 0 && !reader->atEnd()) {
switch (reader->readNext()) {
case QXmlStreamReader::StartElement: ++level; break;
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case QXmlStreamReader::EndElement: --level; break;
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default: break;
}
}
}
bool ParseUntilElement(QXmlStreamReader *reader, const QString &name) {
while (!reader->atEnd()) {
QXmlStreamReader::TokenType type = reader->readNext();
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if (type == QXmlStreamReader::StartElement && reader->name() == name) {
return true;
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}
}
return false;
}
bool ParseUntilElementCI(QXmlStreamReader *reader, const QString &name) {
while (!reader->atEnd()) {
QXmlStreamReader::TokenType type = reader->readNext();
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if (type == QXmlStreamReader::StartElement) {
QString element = reader->name().toString().toLower();
if (element == name) {
return true;
}
}
}
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return false;
}
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QDateTime ParseRFC822DateTime(const QString &text) {
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QRegularExpression regexp("(\\d{1,2}) (\\w{3,12}) (\\d+) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})");
QRegularExpressionMatch re_match = regexp.match(text);
if (!re_match.hasMatch()) {
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return QDateTime();
}
enum class MatchNames { DAYS = 1, MONTHS, YEARS, HOURS, MINUTES, SECONDS };
QMap<QString, int> monthmap;
monthmap["Jan"] = 1;
monthmap["Feb"] = 2;
monthmap["Mar"] = 3;
monthmap["Apr"] = 4;
monthmap["May"] = 5;
monthmap["Jun"] = 6;
monthmap["Jul"] = 7;
monthmap["Aug"] = 8;
monthmap["Sep"] = 9;
monthmap["Oct"] = 10;
monthmap["Nov"] = 11;
monthmap["Dec"] = 12;
monthmap["January"] = 1;
monthmap["February"] = 2;
monthmap["March"] = 3;
monthmap["April"] = 4;
monthmap["May"] = 5;
monthmap["June"] = 6;
monthmap["July"] = 7;
monthmap["August"] = 8;
monthmap["September"] = 9;
monthmap["October"] = 10;
monthmap["November"] = 11;
monthmap["December"] = 12;
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const QDate date(re_match.captured(static_cast<int>(MatchNames::YEARS)).toInt(), monthmap[re_match.captured(static_cast<int>(MatchNames::MONTHS))], re_match.captured(static_cast<int>(MatchNames::DAYS)).toInt());
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const QTime time(re_match.captured(static_cast<int>(MatchNames::HOURS)).toInt(), re_match.captured(static_cast<int>(MatchNames::MINUTES)).toInt(), re_match.captured(static_cast<int>(MatchNames::SECONDS)).toInt());
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return QDateTime(date, time);
}
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const char *EnumToString(const QMetaObject &meta, const char *name, const int value) {
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int index = meta.indexOfEnumerator(name);
if (index == -1) return "[UnknownEnum]";
QMetaEnum metaenum = meta.enumerator(index);
const char *result = metaenum.valueToKey(value);
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if (!result) return "[UnknownEnumValue]";
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return result;
}
QStringList Prepend(const QString &text, const QStringList &list) {
QStringList ret(list);
for (int i = 0; i < ret.count(); ++i) ret[i].prepend(text);
return ret;
}
QStringList Updateify(const QStringList &list) {
QStringList ret(list);
for (int i = 0; i < ret.count(); ++i) ret[i].prepend(ret[i] + " = :");
return ret;
}
QString DecodeHtmlEntities(const QString &text) {
QString copy(text);
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copy.replace("&amp;", "&")
.replace("&#38;", "&")
.replace("&quot;", "\"")
.replace("&#34;", "\"")
.replace("&apos;", "'")
.replace("&#39;", "'")
.replace("&lt;", "<")
.replace("&#60;", "<")
.replace("&gt;", ">")
.replace("&#62;", ">");
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return copy;
}
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int SetThreadIOPriority(const IoPriority priority) {
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#ifdef Q_OS_LINUX
return syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, GetThreadId(), 4 | priority << IOPRIO_CLASS_SHIFT);
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#elif defined(Q_OS_MACOS)
return setpriority(PRIO_DARWIN_THREAD, 0, priority == IOPRIO_CLASS_IDLE ? PRIO_DARWIN_BG : 0);
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#else
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Q_UNUSED(priority);
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return 0;
#endif
}
int GetThreadId() {
#ifdef Q_OS_LINUX
return syscall(SYS_gettid);
#else
return 0;
#endif
}
QString PathWithoutFilenameExtension(const QString &filename) {
if (filename.section('/', -1, -1).contains('.')) return filename.section('.', 0, -2);
return filename;
}
QString FiddleFileExtension(const QString &filename, const QString &new_extension) {
return PathWithoutFilenameExtension(filename) + "." + new_extension;
}
QString GetEnv(const QString &key) {
return QString::fromLocal8Bit(qgetenv(key.toLocal8Bit()));
}
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void SetEnv(const char *key, const QString &value) {
#ifdef Q_OS_WIN32
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_putenv(QString("%1=%2").arg(key, value).toLocal8Bit().constData());
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#else
setenv(key, value.toLocal8Bit().constData(), 1);
#endif
}
void IncreaseFDLimit() {
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#ifdef Q_OS_MACOS
// Bump the soft limit for the number of file descriptors from the default of 256 to the maximum (usually 10240).
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struct rlimit limit;
getrlimit(RLIMIT_NOFILE, &limit);
// getrlimit() lies about the hard limit so we have to check sysctl.
int max_fd = 0;
size_t len = sizeof(max_fd);
sysctlbyname("kern.maxfilesperproc", &max_fd, &len, nullptr, 0);
limit.rlim_cur = max_fd;
int ret = setrlimit(RLIMIT_NOFILE, &limit);
if (ret == 0) {
qLog(Debug) << "Max fd:" << max_fd;
}
#endif
}
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QString GetRandomStringWithChars(const int len) {
const QString UseCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
return GetRandomString(len, UseCharacters);
}
QString GetRandomStringWithCharsAndNumbers(const int len) {
const QString UseCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
return GetRandomString(len, UseCharacters);
}
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QString CryptographicRandomString(const int len) {
const QString UseCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~");
return GetRandomString(len, UseCharacters);
}
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QString GetRandomString(const int len, const QString &UseCharacters) {
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QString randstr;
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for (int i = 0; i < len; ++i) {
#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
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const int index = QRandomGenerator::global()->bounded(0, UseCharacters.length());
#else
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const int index = qrand() % UseCharacters.length();
#endif
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QChar nextchar = UseCharacters.at(index);
randstr.append(nextchar);
}
return randstr;
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}
QString DesktopEnvironment() {
const QString de = GetEnv("XDG_CURRENT_DESKTOP");
if (!de.isEmpty()) return de;
if (!qEnvironmentVariableIsEmpty("KDE_FULL_SESSION")) return "KDE";
if (!qEnvironmentVariableIsEmpty("GNOME_DESKTOP_SESSION_ID")) return "Gnome";
QString session = GetEnv("DESKTOP_SESSION");
int slash = session.lastIndexOf('/');
if (slash != -1) {
QSettings desktop_file(QString(session + ".desktop"), QSettings::IniFormat);
desktop_file.beginGroup("Desktop Entry");
QString name = desktop_file.value("DesktopNames").toString();
desktop_file.endGroup();
if (!name.isEmpty()) return name;
session = session.mid(slash + 1);
}
if (session == "kde") return "KDE";
else if (session == "gnome") return "Gnome";
else if (session == "xfce") return "XFCE";
return "Unknown";
}
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QString UnicodeToAscii(QString unicode) {
#ifdef _MSC_VER
return unicode
.replace(QChar(229), "a")
.replace(QChar(197), 'A')
.replace(QChar(230), "ae")
.replace(QChar(198), "AE")
.replace(QChar(248), 'o')
.replace(QChar(216), 'O');
#else
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#ifdef LC_ALL
setlocale(LC_ALL, "");
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#endif
iconv_t conv = iconv_open("ASCII//TRANSLIT", "UTF-8");
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if (conv == reinterpret_cast<iconv_t>(-1)) return unicode;
QByteArray utf8 = unicode.toUtf8();
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size_t input_len = utf8.length() + 1;
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char *input_ptr = new char[input_len];
char *input = input_ptr;
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size_t output_len = input_len * 2;
char *output_ptr = new char[output_len];
char *output = output_ptr;
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snprintf(input, input_len, "%s", utf8.constData());
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iconv(conv, &input, &input_len, &output, &output_len);
iconv_close(conv);
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QString ret(output_ptr);
delete[] input_ptr;
delete[] output_ptr;
return ret;
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#endif // _MSC_VER
}
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QString MacAddress() {
QString ret;
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for (QNetworkInterface &netif : QNetworkInterface::allInterfaces()) {
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if (
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(netif.hardwareAddress() == "00:00:00:00:00:00") ||
(netif.flags() & QNetworkInterface::IsLoopBack) ||
!(netif.flags() & QNetworkInterface::IsUp) ||
!(netif.flags() & QNetworkInterface::IsRunning)
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) { continue; }
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if (ret.isEmpty()
#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
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|| netif.type() == QNetworkInterface::Ethernet || netif.type() == QNetworkInterface::Wifi
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#endif
) {
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ret = netif.hardwareAddress();
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}
}
if (ret.isEmpty()) ret = "00:00:00:00:00:00";
return ret;
}
QString ReplaceMessage(const QString &message, const Song &song, const QString &newline, const bool html_escaped) {
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QRegularExpression variable_replacer("[%][a-z]+[%]");
QString copy(message);
// Replace the first line
int pos = 0;
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QRegularExpressionMatch match;
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for (match = variable_replacer.match(message, pos); match.hasMatch(); match = variable_replacer.match(message, pos)) {
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pos = match.capturedStart();
QStringList captured = match.capturedTexts();
copy.replace(captured[0], ReplaceVariable(captured[0], song, newline, html_escaped));
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pos += match.capturedLength();
}
int index_of = copy.indexOf(QRegularExpression(" - (>|$)"));
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if (index_of >= 0) copy = copy.remove(index_of, 3);
return copy;
}
QString ReplaceVariable(const QString &variable, const Song &song, const QString &newline, const bool html_escaped) {
QString value = variable;
if (variable == "%title%") {
value = song.PrettyTitle();
}
else if (variable == "%album%") {
value = song.album();
}
else if (variable == "%artist%") {
value = song.artist();
}
else if (variable == "%albumartist%") {
value = song.effective_albumartist();
}
else if (variable == "%track%") {
value.setNum(song.track());
}
else if (variable == "%disc%") {
value.setNum(song.disc());
}
else if (variable == "%year%") {
value = song.PrettyYear();
}
else if (variable == "%originalyear%") {
value = song.PrettyOriginalYear();
}
else if (variable == "%genre%") {
value = song.genre();
}
else if (variable == "%composer%") {
value = song.composer();
}
else if (variable == "%performer%") {
value = song.performer();
}
else if (variable == "%grouping%") {
value = song.grouping();
}
else if (variable == "%length%") {
value = song.PrettyLength();
}
else if (variable == "%filename%") {
value = song.basefilename();
}
else if (variable == "%url%") {
value = song.url().toString();
}
else if (variable == "%playcount%") {
value.setNum(song.playcount());
}
else if (variable == "%skipcount%") {
value.setNum(song.skipcount());
}
else if (variable == "%rating%") {
value = song.PrettyRating();
}
else if (variable == "%newline%") {
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return QString(newline); // No HTML escaping, return immediately.
}
if (html_escaped) {
value = value.toHtmlEscaped();
}
return value;
}
bool IsColorDark(const QColor &color) {
return ((30 * color.red() + 59 * color.green() + 11 * color.blue()) / 100) <= 130;
}
QByteArray ReadDataFromFile(const QString &filename) {
QFile file(filename);
QByteArray data;
if (file.open(QIODevice::ReadOnly)) {
data = file.readAll();
file.close();
}
else {
qLog(Error) << "Failed to open file" << filename << "for reading:" << file.errorString();
}
return data;
}
QString MimeTypeFromData(const QByteArray &data) {
if (data.isEmpty()) return QString();
return QMimeDatabase().mimeTypeForData(data).name();
}
#ifdef Q_OS_WIN
HRGN qt_RectToHRGN(const QRect &rc);
HRGN qt_RectToHRGN(const QRect &rc) {
return CreateRectRgn(rc.left(), rc.top(), rc.right() + 1, rc.bottom() + 1);
}
HRGN toHRGN(const QRegion &region);
HRGN toHRGN(const QRegion &region) {
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
return region.toHRGN();
#else
const int rect_count = region.rectCount();
if (rect_count == 0) {
return nullptr;
}
HRGN resultRgn = nullptr;
QRegion::const_iterator rects = region.begin();
resultRgn = qt_RectToHRGN(rects[0]);
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for (int i = 1; i < rect_count; ++i) {
HRGN tmpRgn = qt_RectToHRGN(rects[i]);
const int res = CombineRgn(resultRgn, resultRgn, tmpRgn, RGN_OR);
if (res == ERROR) qWarning("Error combining HRGNs.");
DeleteObject(tmpRgn);
}
return resultRgn;
#endif // Qt 6
}
void enableBlurBehindWindow(QWindow *window, const QRegion &region) {
DWM_BLURBEHIND dwmbb = {0, 0, nullptr, 0};
dwmbb.dwFlags = DWM_BB_ENABLE;
dwmbb.fEnable = TRUE;
HRGN rgn = nullptr;
if (!region.isNull()) {
rgn = toHRGN(region);
if (rgn) {
dwmbb.hRgnBlur = rgn;
dwmbb.dwFlags |= DWM_BB_BLURREGION;
}
}
DwmEnableBlurBehindWindow(reinterpret_cast<HWND>(window->winId()), &dwmbb);
if (rgn) {
DeleteObject(rgn);
}
}
#endif // Q_OS_WIN
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} // namespace Utilities
ScopedWCharArray::ScopedWCharArray(const QString &str)
: chars_(str.length()), data_(new wchar_t[chars_ + 1]) {
str.toWCharArray(data_.get());
data_[chars_] = '\0';
}