376 lines
10 KiB
C++
376 lines
10 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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 3 of the License, or
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(at your option) any later version.
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Clementine 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "timeconstants.h"
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#include "utilities.h"
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#include "core/logging.h"
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#include "sha2.h"
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#include <QApplication>
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#include <QDateTime>
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#include <QDesktopServices>
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#include <QDir>
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#include <QIODevice>
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#include <QMouseEvent>
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#include <QStringList>
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#include <QTemporaryFile>
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#include <QUrl>
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#include <QWidget>
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#include <QtDebug>
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#include <QtGlobal>
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#if defined(Q_OS_UNIX)
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# include <sys/statvfs.h>
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#elif defined(Q_OS_WIN32)
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# include <windows.h>
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#endif
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#ifdef Q_OS_DARWIN
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# include "core/mac_startup.h"
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#endif
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#include <boost/scoped_array.hpp>
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namespace Utilities {
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static QString tr(const char* str) {
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return QCoreApplication::translate("", str);
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}
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QString PrettyTimeDelta(int seconds) {
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return (seconds >= 0 ? "+" : "-") + PrettyTime(seconds);
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}
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QString PrettyTime(int seconds) {
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// last.fm sometimes gets the track length wrong, so you end up with
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// negative times.
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seconds = qAbs(seconds);
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int hours = seconds / (60*60);
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int minutes = (seconds / 60) % 60;
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seconds %= 60;
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QString ret;
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if (hours)
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ret.sprintf("%d:%02d:%02d", hours, minutes, seconds);
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else
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ret.sprintf("%d:%02d", minutes, seconds);
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return ret;
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}
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QString PrettyTimeNanosec(qint64 nanoseconds) {
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return PrettyTime(nanoseconds / kNsecPerSec);
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}
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QString WordyTime(quint64 seconds) {
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quint64 days = seconds / (60*60*24);
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// TODO: Make the plural rules translatable
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QStringList parts;
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if (days)
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parts << (days == 1 ? tr("1 day") : tr("%1 days").arg(days));
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parts << PrettyTime(seconds - days*60*60*24);
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return parts.join(" ");
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}
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QString WordyTimeNanosec(qint64 nanoseconds) {
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return WordyTime(nanoseconds / kNsecPerSec);
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}
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QString Ago(int seconds_since_epoch, const QLocale& locale) {
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const QDateTime now = QDateTime::currentDateTime();
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const QDateTime then = QDateTime::fromTime_t(seconds_since_epoch);
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const int days_ago = then.date().daysTo(now.date());
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const QString time = then.time().toString(locale.timeFormat(QLocale::ShortFormat));
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if (days_ago == 0)
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return tr("Today") + " " + time;
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if (days_ago == 1)
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return tr("Yesterday") + " " + time;
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if (days_ago <= 7)
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return tr("%1 days ago").arg(days_ago);
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return then.date().toString(locale.dateFormat());
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}
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QString PrettySize(quint64 bytes) {
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QString ret;
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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.sprintf("%.1f KB", float(bytes) / 1000);
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else if (bytes <= 1000*1000*1000)
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ret.sprintf("%.1f MB", float(bytes) / (1000*1000));
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else
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ret.sprintf("%.1f GB", float(bytes) / (1000*1000*1000));
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}
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return ret;
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}
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quint64 FileSystemCapacity(const QString& path) {
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#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)
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return quint64(fs_info.f_blocks) * quint64(fs_info.f_bsize);
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#elif defined(Q_OS_WIN32)
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_ULARGE_INTEGER ret;
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if (GetDiskFreeSpaceEx(QDir::toNativeSeparators(path).toLocal8Bit().constData(),
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NULL, &ret, NULL) != 0)
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return ret.QuadPart;
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#endif
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return 0;
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}
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quint64 FileSystemFreeSpace(const QString& path) {
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#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)
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return quint64(fs_info.f_bavail) * quint64(fs_info.f_bsize);
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#elif defined(Q_OS_WIN32)
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_ULARGE_INTEGER ret;
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if (GetDiskFreeSpaceEx(QDir::toNativeSeparators(path).toLocal8Bit().constData(),
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&ret, NULL, NULL) != 0)
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return ret.QuadPart;
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#endif
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return 0;
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}
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QString MakeTempDir(const QString template_name) {
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QString path;
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{
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QTemporaryFile tempfile;
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if (!template_name.isEmpty())
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tempfile.setFileTemplate(template_name);
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tempfile.open();
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path = tempfile.fileName();
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}
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QDir d;
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d.mkdir(path);
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return path;
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}
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void RemoveRecursive(const QString& path) {
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QDir dir(path);
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foreach (const QString& child, dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs | QDir::Hidden))
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RemoveRecursive(path + "/" + child);
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foreach (const QString& child, dir.entryList(QDir::NoDotAndDotDot | QDir::Files | QDir::Hidden))
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QFile::remove(path + "/" + child);
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dir.rmdir(path);
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}
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bool CopyRecursive(const QString& source, const QString& destination) {
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// Make the destination directory
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QString dir_name = source.section('/', -1, -1);
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QString dest_path = destination + "/" + dir_name;
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QDir().mkpath(dest_path);
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QDir dir(source);
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foreach (const QString& child, dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs)) {
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if (!CopyRecursive(source + "/" + child, dest_path)) {
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qLog(Warning) << "Failed to copy dir" << source + "/" + child << "to" << dest_path;
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return false;
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}
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}
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foreach (const QString& child, dir.entryList(QDir::NoDotAndDotDot | QDir::Files)) {
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if (!QFile::copy(source + "/" + child, dest_path + "/" + child)) {
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qLog(Warning) << "Failed to copy file" << source + "/" + child << "to" << dest_path;
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return false;
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}
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}
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return true;
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}
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bool Copy(QIODevice* source, QIODevice* destination) {
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if (!source->open(QIODevice::ReadOnly))
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return false;
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if (!destination->open(QIODevice::WriteOnly))
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return false;
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const qint64 bytes = source->size();
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boost::scoped_array<char> data(new char[bytes]);
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qint64 pos = 0;
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qint64 bytes_read;
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do {
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bytes_read = source->read(data.get() + pos, bytes - pos);
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if (bytes_read == -1)
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return false;
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pos += bytes_read;
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} while (bytes_read > 0 && pos != bytes);
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pos = 0;
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qint64 bytes_written;
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do {
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bytes_written = destination->write(data.get() + pos, bytes - pos);
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if (bytes_written == -1)
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return false;
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pos += bytes_written;
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} while (bytes_written > 0 && pos != bytes);
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return true;
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}
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QString ColorToRgba(const QColor& c) {
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return QString("rgba(%1, %2, %3, %4)")
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.arg(c.red()).arg(c.green()).arg(c.blue()).arg(c.alpha());
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}
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QString GetConfigPath(ConfigPath config) {
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switch (config) {
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case Path_Root: {
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#ifdef Q_OS_DARWIN
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return mac::GetApplicationSupportPath() + "/" + QCoreApplication::organizationName();
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#else
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return QString("%1/.config/%2").arg(QDir::homePath(), QCoreApplication::organizationName());
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#endif
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}
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break;
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case Path_AlbumCovers:
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return GetConfigPath(Path_Root) + "/albumcovers";
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case Path_NetworkCache:
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return GetConfigPath(Path_Root) + "/networkcache";
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case Path_GstreamerRegistry:
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return GetConfigPath(Path_Root) +
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QString("/gst-registry-%1-bin").arg(QCoreApplication::applicationVersion());
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case Path_DefaultMusicLibrary:
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#ifdef Q_OS_DARWIN
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return mac::GetMusicDirectory();
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#else
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return QDir::homePath();
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#endif
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case Path_LocalSpotifyBlob:
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return GetConfigPath(Path_Root) + "/spotifyblob";
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default:
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qFatal("%s", Q_FUNC_INFO);
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return QString::null;
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}
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}
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void OpenInFileBrowser(const QStringList& filenames) {
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QSet<QString> dirs;
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foreach (const QString& filename, filenames) {
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QUrl url(filename);
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if (url.scheme() != "file") {
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continue;
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}
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QString path = url.toLocalFile();
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if (!QFile::exists(path))
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continue;
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const QString directory = QFileInfo(path).dir().path();
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if (dirs.contains(directory))
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continue;
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dirs.insert(directory);
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QDesktopServices::openUrl(QUrl::fromLocalFile(directory));
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}
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}
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QByteArray Hmac(const QByteArray& key, const QByteArray& data, HashFunction method) {
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const int kBlockSize = 64; // bytes
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Q_ASSERT(key.length() <= kBlockSize);
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QByteArray inner_padding(kBlockSize, char(0x36));
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QByteArray outer_padding(kBlockSize, char(0x5c));
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for (int i=0 ; i<key.length() ; ++i) {
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inner_padding[i] = inner_padding[i] ^ key[i];
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outer_padding[i] = outer_padding[i] ^ key[i];
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}
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if (Md5_Algo == method) {
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return QCryptographicHash::hash(outer_padding +
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QCryptographicHash::hash(inner_padding + data,
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QCryptographicHash::Md5),
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QCryptographicHash::Md5);
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} else { // Sha256_Algo, currently default
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return Sha256(outer_padding + Sha256(inner_padding + data));
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}
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}
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QByteArray HmacSha256(const QByteArray& key, const QByteArray& data) {
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return Hmac(key, data, Sha256_Algo);
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}
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QByteArray HmacMd5(const QByteArray& key, const QByteArray& data) {
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return Hmac(key, data, Md5_Algo);
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}
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QByteArray Sha256(const QByteArray& data) {
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SHA256_CTX context;
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SHA256_Init(&context);
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SHA256_Update(&context, reinterpret_cast<const u_int8_t*>(data.constData()),
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data.length());
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QByteArray ret(SHA256_DIGEST_LENGTH, '\0');
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SHA256_Final(reinterpret_cast<u_int8_t*>(ret.data()), &context);
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return ret;
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}
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QString PrettySize(const QSize& size) {
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return QString::number(size.width()) + "x" +
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QString::number(size.height());
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}
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void ForwardMouseEvent(const QMouseEvent* e, QWidget* target) {
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QMouseEvent c(e->type(), target->mapFromGlobal(e->globalPos()),
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e->globalPos(), e->button(), e->buttons(), e->modifiers());
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QApplication::sendEvent(target, &c);
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}
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bool IsMouseEventInWidget(const QMouseEvent* e, const QWidget* widget) {
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return widget->rect().contains(widget->mapFromGlobal(e->globalPos()));
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}
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} // namespace Utilities
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ScopedWCharArray::ScopedWCharArray(const QString& str)
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: chars_(str.length()),
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data_(new wchar_t[chars_ + 1])
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{
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str.toWCharArray(data_.get());
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data_[chars_] = '\0';
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}
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