Some work about adaptive color scheme for Web UI (PR #19901)
http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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538 lines
17 KiB
538 lines
17 KiB
/* |
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* Bittorrent Client using Qt4 and libtorrent. |
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* Copyright (C) 2006 Christophe Dumez |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program 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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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* |
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* In addition, as a special exception, the copyright holders give permission to |
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* link this program with the OpenSSL project's "OpenSSL" library (or with |
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* modified versions of it that use the same license as the "OpenSSL" library), |
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* and distribute the linked executables. You must obey the GNU General Public |
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* License in all respects for all of the code used other than "OpenSSL". If you |
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* modify file(s), you may extend this exception to your version of the file(s), |
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* but you are not obligated to do so. If you do not wish to do so, delete this |
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* exception statement from your version. |
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* |
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* Contact : chris@qbittorrent.org |
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*/ |
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#ifndef MISC_H |
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#define MISC_H |
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#include <sstream> |
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#include <stdexcept> |
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#include <QObject> |
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#include <QString> |
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#include <QByteArray> |
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#include <QFileInfo> |
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#include <QDir> |
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#include <QList> |
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#include <QPair> |
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#include <QThread> |
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#include <QUrl> |
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#include <ctime> |
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#include <QDateTime> |
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#include <boost/date_time/posix_time/posix_time_types.hpp> |
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#include <boost/date_time/posix_time/conversion.hpp> |
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#ifdef DISABLE_GUI |
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#include <QCoreApplication> |
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#else |
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#include <QApplication> |
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#include <QDesktopWidget> |
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#endif |
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#ifdef Q_WS_WIN |
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#include <shlobj.h> |
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#endif |
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#ifdef Q_WS_MAC |
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#include <Files.h> |
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#include <Folders.h> |
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#endif |
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#ifndef Q_WS_WIN |
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#ifdef Q_WS_MAC |
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#include <sys/param.h> |
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#include <sys/mount.h> |
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#else |
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#include <sys/vfs.h> |
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#endif |
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#else |
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#include <winbase.h> |
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#endif |
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#include <libtorrent/torrent_info.hpp> |
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using namespace libtorrent; |
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/* Miscellaneaous functions that can be useful */ |
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class misc : public QObject{ |
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Q_OBJECT |
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public: |
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static inline QString toQString(std::string str) { |
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return QString::fromLocal8Bit(str.c_str()); |
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} |
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static inline QString toQString(char* str) { |
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return QString::fromLocal8Bit(str); |
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} |
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static inline QString toQString(sha1_hash hash) { |
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std::ostringstream o; |
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if(!(o<<hash)) { |
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throw std::runtime_error("::toString()"); |
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} |
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return QString::fromLocal8Bit(o.str().c_str()); |
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//return QString::fromLocal8Bit(hash.to_string().c_str()); |
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} |
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static inline sha1_hash QStringToSha1(const QString& s) { |
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sha1_hash x; |
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std::istringstream i(s.toStdString()); |
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if(!(i>>x)) { |
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throw std::runtime_error("::fromString()"); |
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} |
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return x; |
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} |
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static bool sameFiles(QString path1, QString path2) { |
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QFile f1(path1); |
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if(!f1.exists()) return false; |
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QFile f2(path2); |
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if(!f2.exists()) return false; |
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QByteArray content1, content2; |
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if(f1.open(QIODevice::ReadOnly)) { |
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content1 = f1.readAll(); |
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f1.close(); |
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} else { |
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return false; |
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} |
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if(f2.open(QIODevice::ReadOnly)) { |
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content1 = f2.readAll(); |
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f2.close(); |
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} else { |
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return false; |
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} |
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return content1 == content2; |
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} |
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static void copyDir(QString src_path, QString dst_path) { |
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QDir sourceDir(src_path); |
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if(!sourceDir.exists()) return; |
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// Create destination directory |
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QDir destDir(dst_path); |
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if(!destDir.exists()) { |
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if(!destDir.mkpath(destDir.absolutePath())) return; |
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} |
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// List source directory |
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const QFileInfoList &content = sourceDir.entryInfoList(); |
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foreach(const QFileInfo& child, content) { |
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if(child.fileName()[0] == '.') continue; |
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if(child.isDir()) { |
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copyDir(child.absoluteFilePath(), dst_path+QDir::separator()+QDir(child.absoluteFilePath()).dirName()); |
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continue; |
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} |
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const QString &src_child_path = child.absoluteFilePath(); |
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const QString &dest_child_path = destDir.absoluteFilePath(child.fileName()); |
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// Copy the file from src to dest |
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QFile::copy(src_child_path, dest_child_path); |
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// Remove source file |
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QFile::remove(src_child_path); |
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} |
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// Remove source folder |
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const QString &dir_name = sourceDir.dirName(); |
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if(sourceDir.cdUp()) { |
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sourceDir.rmdir(dir_name); |
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} |
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} |
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// Introduced in v2.1.0 |
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// For backward compatibility |
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// Remove after some releases |
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static void moveToXDGFolders() { |
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const QString &old_qBtPath = QDir::homePath()+QDir::separator()+QString::fromUtf8(".qbittorrent") + QDir::separator(); |
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if(QDir(old_qBtPath).exists()) { |
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// Copy BT_backup folder |
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const QString &old_BTBackupPath = old_qBtPath + "BT_backup"; |
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if(QDir(old_BTBackupPath).exists()) { |
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copyDir(old_BTBackupPath, BTBackupLocation()); |
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} |
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// Copy search engine folder |
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const QString &old_searchPath = old_qBtPath + "search_engine"; |
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if(QDir(old_searchPath).exists()) { |
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copyDir(old_searchPath, searchEngineLocation()); |
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} |
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// Copy *_state files |
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if(QFile::exists(old_qBtPath+"dht_state")) { |
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QFile::copy(old_qBtPath+"dht_state", cacheLocation()+QDir::separator()+"dht_state"); |
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QFile::remove(old_qBtPath+"dht_state"); |
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} |
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if(QFile::exists(old_qBtPath+"ses_state")) { |
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QFile::copy(old_qBtPath+"ses_state", cacheLocation()+QDir::separator()+"ses_state"); |
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QFile::remove(old_qBtPath+"ses_state"); |
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} |
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// Remove .qbittorrent folder if empty |
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QDir::home().rmdir(".qbittorrent"); |
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} |
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} |
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static QString toValidFileSystemName(QString filename) { |
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qDebug("toValidFSName: %s", qPrintable(filename)); |
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filename = filename.replace("\\", "/").trimmed(); |
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const QRegExp regex("[/:?\"*<>|]"); |
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filename = filename.replace(regex, " ").trimmed(); |
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qDebug("toValidFSName, result: %s", qPrintable(filename)); |
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return filename; |
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} |
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static bool isValidFileSystemName(QString filename) { |
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filename = filename.replace("\\", "/").trimmed(); |
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if(filename.isEmpty()) return false; |
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const QRegExp regex("[/:?\"*<>|]"); |
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if(filename.contains(regex)) |
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return false; |
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return true; |
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} |
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/* Ported from Qt4 to drop dependency on QtGui */ |
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#ifdef Q_WS_MAC |
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static QString getFullPath(const FSRef &ref) |
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{ |
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QByteArray ba(2048, 0); |
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if (FSRefMakePath(&ref, reinterpret_cast<UInt8 *>(ba.data()), ba.size()) == noErr) |
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return QString::fromUtf8(ba).normalized(QString::NormalizationForm_C); |
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return QString(); |
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} |
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#endif |
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static QString QDesktopServicesDataLocation() { |
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#ifdef Q_WS_WIN |
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#if defined Q_WS_WINCE |
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if (SHGetSpecialFolderPath(0, path, CSIDL_APPDATA, FALSE)) |
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#else |
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if (SHGetSpecialFolderPath(0, path, CSIDL_LOCAL_APPDATA, FALSE)) |
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#endif |
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result = QString::fromWCharArray(path); |
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if (!QCoreApplication::applicationName().isEmpty()) |
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result = result + QLatin1String("\\") + qApp->applicationName(); |
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#else |
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#ifdef Q_WS_MAC |
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// http://developer.apple.com/documentation/Carbon/Reference/Folder_Manager/Reference/reference.html |
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FSRef ref; |
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OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref); |
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if (err) |
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return QString(); |
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QString path = getFullPath(ref); |
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path += QLatin1Char('/') + qApp->applicationName(); |
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return path; |
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#else |
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QString xdgDataHome = QLatin1String(qgetenv("XDG_DATA_HOME")); |
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if (xdgDataHome.isEmpty()) |
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xdgDataHome = QDir::homePath() + QLatin1String("/.local/share"); |
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xdgDataHome += QLatin1String("/data/") |
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+ qApp->applicationName(); |
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return xdgDataHome; |
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#endif |
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#endif |
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} |
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static QString QDesktopServicesCacheLocation() { |
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#ifdef Q_WS_WIN |
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return QDesktopServicesDataLocation() + QLatin1String("\\cache"); |
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#else |
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#ifdef Q_WS_MAC |
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// http://developer.apple.com/documentation/Carbon/Reference/Folder_Manager/Reference/reference.html |
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FSRef ref; |
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OSErr err = FSFindFolder(kUserDomain, kCachedDataFolderType, false, &ref); |
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if (err) |
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return QString(); |
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QString path = getFullPath(ref); |
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path += QLatin1Char('/') + qApp->applicationName(); |
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return path; |
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#else |
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QString xdgCacheHome = QLatin1String(qgetenv("XDG_CACHE_HOME")); |
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if (xdgCacheHome.isEmpty()) |
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xdgCacheHome = QDir::homePath() + QLatin1String("/.cache"); |
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xdgCacheHome += QLatin1Char('/') + QCoreApplication::applicationName(); |
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return xdgCacheHome; |
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#endif |
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#endif |
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} |
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/* End of Qt4 code */ |
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#ifndef DISABLE_GUI |
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// Get screen center |
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static QPoint screenCenter(QWidget *win) { |
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int scrn = 0; |
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const QWidget *w = win->window(); |
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if(w) |
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scrn = QApplication::desktop()->screenNumber(w); |
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else if(QApplication::desktop()->isVirtualDesktop()) |
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scrn = QApplication::desktop()->screenNumber(QCursor::pos()); |
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else |
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scrn = QApplication::desktop()->screenNumber(win); |
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QRect desk(QApplication::desktop()->availableGeometry(scrn)); |
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return QPoint((desk.width() - win->frameGeometry().width()) / 2, (desk.height() - win->frameGeometry().height()) / 2); |
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} |
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#endif |
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static QString searchEngineLocation() { |
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const QString &location = QDir::cleanPath(QDesktopServicesDataLocation() |
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+ QDir::separator() + "search_engine"); |
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QDir locationDir(location); |
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if(!locationDir.exists()) |
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locationDir.mkpath(locationDir.absolutePath()); |
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return location; |
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} |
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static QString BTBackupLocation() { |
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const QString &location = QDir::cleanPath(QDesktopServicesDataLocation() |
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+ QDir::separator() + "BT_backup"); |
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QDir locationDir(location); |
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if(!locationDir.exists()) |
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locationDir.mkpath(locationDir.absolutePath()); |
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return location; |
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} |
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static QString cacheLocation() { |
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const QString &location = QDir::cleanPath(QDesktopServicesCacheLocation()); |
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QDir locationDir(location); |
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if(!locationDir.exists()) |
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locationDir.mkpath(locationDir.absolutePath()); |
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return location; |
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} |
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static long long freeDiskSpaceOnPath(QString path) { |
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if(path.isEmpty()) return -1; |
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QDir dir_path(path); |
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if(!dir_path.exists()) { |
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if(!dir_path.cdUp()) return -1; |
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} |
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Q_ASSERT(dir_path.exists()); |
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#ifndef Q_WS_WIN |
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unsigned long long available; |
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struct statfs stats; |
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const QString &statfs_path = dir_path.path()+"/."; |
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const int ret = statfs (qPrintable(statfs_path), &stats) ; |
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if(ret == 0) { |
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available = ((unsigned long long)stats.f_bavail) * |
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((unsigned long long)stats.f_bsize) ; |
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return available; |
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} else { |
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return -1; |
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} |
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#else |
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typedef BOOL (WINAPI *GetDiskFreeSpaceEx_t)(LPCTSTR, |
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PULARGE_INTEGER, |
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PULARGE_INTEGER, |
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PULARGE_INTEGER); |
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GetDiskFreeSpaceEx_t |
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pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress |
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( |
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::GetModuleHandle(_T("kernel32.dll")), |
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"GetDiskFreeSpaceExW" |
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); |
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if ( pGetDiskFreeSpaceEx ) |
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{ |
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ULARGE_INTEGER bytesFree, bytesTotal; |
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unsigned long long *ret; |
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if (pGetDiskFreeSpaceEx((LPCTSTR)path.ucs2(), &bytesFree, &bytesTotal, NULL)) { |
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tmp = (unsigned long long*)&bytesFree |
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return ret; |
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} else { |
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return -1; |
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} |
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} else { |
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return -1; |
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} |
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#endif |
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} |
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// return best userfriendly storage unit (B, KiB, MiB, GiB, TiB) |
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// use Binary prefix standards from IEC 60027-2 |
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// see http://en.wikipedia.org/wiki/Kilobyte |
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// value must be given in bytes |
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static QString friendlyUnit(double val) { |
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if(val < 0) |
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return tr("Unknown", "Unknown (size)"); |
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const QString units[5] = {tr("B", "bytes"), tr("KiB", "kibibytes (1024 bytes)"), tr("MiB", "mebibytes (1024 kibibytes)"), tr("GiB", "gibibytes (1024 mibibytes)"), tr("TiB", "tebibytes (1024 gibibytes)")}; |
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char i = 0; |
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while(val >= 1024. && i++<6) |
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val /= 1024.; |
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return QString::number(val, 'f', 1) + " " + units[(int)i]; |
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} |
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static bool isPreviewable(QString extension){ |
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extension = extension.toUpper(); |
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if(extension == "AVI") return true; |
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if(extension == "MP3") return true; |
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if(extension == "OGG") return true; |
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if(extension == "OGM") return true; |
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if(extension == "WMV") return true; |
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if(extension == "WMA") return true; |
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if(extension == "MPEG") return true; |
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if(extension == "MPG") return true; |
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if(extension == "ASF") return true; |
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if(extension == "QT") return true; |
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if(extension == "RM") return true; |
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if(extension == "RMVB") return true; |
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if(extension == "RMV") return true; |
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if(extension == "SWF") return true; |
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if(extension == "FLV") return true; |
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if(extension == "WAV") return true; |
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if(extension == "MOV") return true; |
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if(extension == "VOB") return true; |
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if(extension == "MID") return true; |
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if(extension == "AC3") return true; |
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if(extension == "MP4") return true; |
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if(extension == "MP2") return true; |
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if(extension == "AVI") return true; |
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if(extension == "FLAC") return true; |
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if(extension == "AU") return true; |
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if(extension == "MPE") return true; |
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if(extension == "MOV") return true; |
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if(extension == "MKV") return true; |
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if(extension == "AIF") return true; |
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if(extension == "AIFF") return true; |
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if(extension == "AIFC") return true; |
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if(extension == "RA") return true; |
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if(extension == "RAM") return true; |
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if(extension == "M4P") return true; |
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if(extension == "M4A") return true; |
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if(extension == "3GP") return true; |
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if(extension == "AAC") return true; |
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if(extension == "SWA") return true; |
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if(extension == "MPC") return true; |
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if(extension == "MPP") return true; |
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return false; |
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} |
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static bool removeEmptyTree(QString path) { |
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QDir dir(path); |
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foreach(const QString &child, dir.entryList(QDir::AllDirs)) { |
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if(child == "." || child == "..") continue; |
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return removeEmptyTree(dir.absoluteFilePath(child)); |
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} |
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const QString &dir_name = dir.dirName(); |
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if(dir.cdUp()) { |
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return dir.rmdir(dir_name); |
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} |
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return false; |
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} |
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static QString magnetUriToName(QString magnet_uri) { |
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QString name = ""; |
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QRegExp regHex("dn=([^&]+)"); |
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const int pos = regHex.indexIn(magnet_uri); |
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if(pos > -1) { |
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const QString &found = regHex.cap(1); |
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// URL decode |
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name = QUrl::fromPercentEncoding(found.toLocal8Bit()).replace("+", " "); |
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} |
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return name; |
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} |
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static QString magnetUriToHash(QString magnet_uri) { |
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QString hash = ""; |
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QRegExp regHex("urn:btih:([0-9A-Za-z]+)"); |
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// Hex |
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int pos = regHex.indexIn(magnet_uri); |
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if(pos > -1) { |
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const QString &found = regHex.cap(1); |
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if(found.length() == 40) { |
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const sha1_hash sha1(QString(QByteArray::fromHex(regHex.cap(1).toLocal8Bit())).toStdString()); |
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qDebug("magnetUriToHash (Hex): hash: %s", qPrintable(misc::toQString(sha1))); |
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return misc::toQString(sha1); |
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} |
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} |
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// Base 32 |
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QRegExp regBase32("urn:btih:([A-Za-z2-7=]+)"); |
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pos = regBase32.indexIn(magnet_uri); |
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if(pos > -1) { |
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const QString &found = regBase32.cap(1); |
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if(found.length() > 20 && (found.length()*5)%40 == 0) { |
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const sha1_hash sha1(base32decode(regBase32.cap(1).toStdString())); |
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hash = misc::toQString(sha1); |
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} |
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} |
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qDebug("magnetUriToHash (base32): hash: %s", qPrintable(hash)); |
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return hash; |
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} |
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static QString boostTimeToQString(const boost::optional<boost::posix_time::ptime> boostDate) { |
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if(!boostDate) return tr("Unknown"); |
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struct std::tm tm = boost::posix_time::to_tm(*boostDate); |
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return QDateTime::fromTime_t(mktime(&tm)).toString(Qt::DefaultLocaleLongDate); |
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} |
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// Replace ~ in path |
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static QString expandPath(QString path) { |
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path = path.trimmed(); |
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if(path.isEmpty()) return path; |
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if(path.length() == 1) { |
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if(path[0] == '~' ) return QDir::homePath(); |
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} |
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if(path[0] == '~' && path[1] == QDir::separator()) { |
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path = path.replace(0, 1, QDir::homePath()); |
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} else { |
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if(QDir::isAbsolutePath(path)) { |
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path = QDir(path).absolutePath(); |
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} |
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} |
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return QDir::cleanPath(path); |
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} |
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|
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// Take a number of seconds and return an user-friendly |
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// time duration like "1d 2h 10m". |
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static QString userFriendlyDuration(qlonglong seconds) { |
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if(seconds < 0) { |
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return QString::fromUtf8("∞"); |
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} |
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if(seconds < 60) { |
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return tr("< 1m", "< 1 minute"); |
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} |
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int minutes = seconds / 60; |
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if(minutes < 60) { |
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return tr("%1m","e.g: 10minutes").arg(QString::number(minutes)); |
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} |
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int hours = minutes / 60; |
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minutes = minutes - hours*60; |
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if(hours < 24) { |
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return tr("%1h%2m", "e.g: 3hours 5minutes").arg(QString::number(hours)).arg(QString::number(minutes)); |
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} |
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int days = hours / 24; |
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hours = hours - days * 24; |
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if(days < 100) { |
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return tr("%1d%2h%3m", "e.g: 2days 10hours 2minutes").arg(QString::number(days)).arg(QString::number(hours)).arg(QString::number(minutes)); |
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} |
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return QString::fromUtf8("∞"); |
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} |
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}; |
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|
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// Trick to get a portable sleep() function |
|
class SleeperThread : public QThread{ |
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public: |
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static void msleep(unsigned long msecs) |
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{ |
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QThread::msleep(msecs); |
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} |
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}; |
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|
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#endif
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