Another attempt to fixing Mac compilation

src/misc.cpp

@@ -0,0 +1,469 @@
+/*
+ * Bittorrent Client using Qt4 and libtorrent.
+ * Copyright (C) 2006  Christophe Dumez
+ *
+ * This program 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 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link this program with the OpenSSL project's "OpenSSL" library (or with
+ * modified versions of it that use the same license as the "OpenSSL" library),
+ * and distribute the linked executables. You must obey the GNU General Public
+ * License in all respects for all of the code used other than "OpenSSL".  If you
+ * modify file(s), you may extend this exception to your version of the file(s),
+ * but you are not obligated to do so. If you do not wish to do so, delete this
+ * exception statement from your version.
+ *
+ * Contact : chris@qbittorrent.org
+ */
+
+#include "misc.h"
+
+#include <QUrl>
+#include <QDir>
+#include <QFileInfo>
+#include <QDateTime>
+#include <QByteArray>
+
+#ifdef DISABLE_GUI
+#include <QCoreApplication>
+#else
+#include <QApplication>
+#include <QDesktopWidget>
+#endif
+
+#ifdef Q_WS_WIN
+#include <shlobj.h>
+#endif
+
+#ifdef Q_WS_MAC
+#include <CoreServices/CoreServices.h>
+#endif
+
+#ifndef Q_WS_WIN
+#ifdef Q_WS_MAC
+#include <sys/param.h>
+#include <sys/mount.h>
+#else
+#include <sys/vfs.h>
+#endif
+#else
+#include <winbase.h>
+#endif
+
+QString misc::QDesktopServicesDataLocation() {
+#ifdef Q_WS_WIN
+#if defined Q_WS_WINCE
+  if (SHGetSpecialFolderPath(0, path, CSIDL_APPDATA, FALSE))
+#else
+    if (SHGetSpecialFolderPath(0, path, CSIDL_LOCAL_APPDATA, FALSE))
+#endif
+      result = QString::fromWCharArray(path);
+  if (!QCoreApplication::applicationName().isEmpty())
+    result = result + QLatin1String("\\") + qApp->applicationName();
+#else
+#ifdef Q_WS_MAC
+  // http://developer.apple.com/documentation/Carbon/Reference/Folder_Manager/Reference/reference.html
+  FSRef ref;
+  OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
+  if (err)
+    return QString();
+  QString path;
+  QByteArray ba(2048, 0);
+  if (FSRefMakePath(&ref, reinterpret_cast<UInt8 *>(ba.data()), ba.size()) == noErr)
+    path = QString::fromUtf8(ba).normalized(QString::NormalizationForm_C);
+  QString path = getFullPath(ref);
+  path += QLatin1Char('/') + qApp->applicationName();
+  return path;
+#else
+  QString xdgDataHome = QLatin1String(qgetenv("XDG_DATA_HOME"));
+  if (xdgDataHome.isEmpty())
+    xdgDataHome = QDir::homePath() + QLatin1String("/.local/share");
+  xdgDataHome += QLatin1String("/data/")
+                 + qApp->applicationName();
+  return xdgDataHome;
+#endif
+#endif
+}
+
+QString misc::QDesktopServicesCacheLocation() {
+#ifdef Q_WS_WIN
+  return QDesktopServicesDataLocation() + QLatin1String("\\cache");
+#else
+#ifdef Q_WS_MAC
+  // http://developer.apple.com/documentation/Carbon/Reference/Folder_Manager/Reference/reference.html
+  FSRef ref;
+  OSErr err = FSFindFolder(kUserDomain, kCachedDataFolderType, false, &ref);
+  if (err)
+    return QString();
+  QString path = getFullPath(ref);
+  path += QLatin1Char('/') + qApp->applicationName();
+  return path;
+#else
+  QString xdgCacheHome = QLatin1String(qgetenv("XDG_CACHE_HOME"));
+  if (xdgCacheHome.isEmpty())
+    xdgCacheHome = QDir::homePath() + QLatin1String("/.cache");
+  xdgCacheHome += QLatin1Char('/') + QCoreApplication::applicationName();
+  return xdgCacheHome;
+#endif
+#endif
+}
+
+long long misc::freeDiskSpaceOnPath(QString path) {
+  if(path.isEmpty()) return -1;
+  QDir dir_path(path);
+  if(!dir_path.exists()) {
+    if(!dir_path.cdUp()) return -1;
+  }
+  Q_ASSERT(dir_path.exists());
+#ifndef Q_WS_WIN
+  unsigned long long available;
+  struct statfs stats;
+  const QString &statfs_path = dir_path.path()+"/.";
+  const int ret = statfs (qPrintable(statfs_path), &stats) ;
+  if(ret == 0) {
+    available = ((unsigned long long)stats.f_bavail) *
+                ((unsigned long long)stats.f_bsize) ;
+    return available;
+  } else {
+    return -1;
+  }
+#else
+  typedef BOOL (WINAPI *GetDiskFreeSpaceEx_t)(LPCTSTR,
+                                              PULARGE_INTEGER,
+                                              PULARGE_INTEGER,
+                                              PULARGE_INTEGER);
+  GetDiskFreeSpaceEx_t
+      pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
+                            (
+                                ::GetModuleHandle(_T("kernel32.dll")),
+                                "GetDiskFreeSpaceExW"
+                                );
+  if ( pGetDiskFreeSpaceEx )
+  {
+    ULARGE_INTEGER bytesFree, bytesTotal;
+    unsigned long long *ret;
+    if (pGetDiskFreeSpaceEx((LPCTSTR)path.ucs2(), &bytesFree, &bytesTotal, NULL)) {
+      tmp = (unsigned long long*)&bytesFree
+            return ret;
+    } else {
+      return -1;
+    }
+  } else {
+    return -1;
+  }
+#endif
+}
+
+bool misc::sameFiles(QString path1, QString path2) {
+  QFile f1(path1);
+  if(!f1.exists()) return false;
+  QFile f2(path2);
+  if(!f2.exists()) return false;
+  QByteArray content1, content2;
+  if(f1.open(QIODevice::ReadOnly)) {
+    content1 = f1.readAll();
+    f1.close();
+  } else {
+    return false;
+  }
+  if(f2.open(QIODevice::ReadOnly)) {
+    content1 = f2.readAll();
+    f2.close();
+  } else {
+    return false;
+  }
+  return content1 == content2;
+}
+
+void misc::copyDir(QString src_path, QString dst_path) {
+  QDir sourceDir(src_path);
+  if(!sourceDir.exists()) return;
+  // Create destination directory
+  QDir destDir(dst_path);
+  if(!destDir.exists()) {
+    if(!destDir.mkpath(destDir.absolutePath())) return;
+  }
+  // List source directory
+  const QFileInfoList &content = sourceDir.entryInfoList();
+  foreach(const QFileInfo& child, content) {
+    if(child.fileName()[0] == '.') continue;
+    if(child.isDir()) {
+      copyDir(child.absoluteFilePath(), dst_path+QDir::separator()+QDir(child.absoluteFilePath()).dirName());
+      continue;
+    }
+    const QString &src_child_path = child.absoluteFilePath();
+    const QString &dest_child_path = destDir.absoluteFilePath(child.fileName());
+    // Copy the file from src to dest
+    QFile::copy(src_child_path, dest_child_path);
+    // Remove source file
+    QFile::remove(src_child_path);
+  }
+  // Remove source folder
+  const QString &dir_name = sourceDir.dirName();
+  if(sourceDir.cdUp()) {
+    sourceDir.rmdir(dir_name);
+  }
+}
+
+void misc::moveToXDGFolders() {
+  const QString &old_qBtPath = QDir::homePath()+QDir::separator()+QString::fromUtf8(".qbittorrent") + QDir::separator();
+  if(QDir(old_qBtPath).exists()) {
+    // Copy BT_backup folder
+    const QString &old_BTBackupPath = old_qBtPath + "BT_backup";
+    if(QDir(old_BTBackupPath).exists()) {
+      copyDir(old_BTBackupPath, BTBackupLocation());
+    }
+    // Copy search engine folder
+    const QString &old_searchPath = old_qBtPath + "search_engine";
+    if(QDir(old_searchPath).exists()) {
+      copyDir(old_searchPath, searchEngineLocation());
+    }
+    // Copy *_state files
+    if(QFile::exists(old_qBtPath+"dht_state")) {
+      QFile::copy(old_qBtPath+"dht_state", cacheLocation()+QDir::separator()+"dht_state");
+      QFile::remove(old_qBtPath+"dht_state");
+    }
+    if(QFile::exists(old_qBtPath+"ses_state")) {
+      QFile::copy(old_qBtPath+"ses_state", cacheLocation()+QDir::separator()+"ses_state");
+      QFile::remove(old_qBtPath+"ses_state");
+    }
+    // Remove .qbittorrent folder if empty
+    QDir::home().rmdir(".qbittorrent");
+  }
+}
+
+QString misc::toValidFileSystemName(QString filename) {
+  qDebug("toValidFSName: %s", qPrintable(filename));
+  filename = filename.replace("\\", "/").trimmed();
+  const QRegExp regex("[/:?\"*<>|]");
+  filename = filename.replace(regex, " ").trimmed();
+  qDebug("toValidFSName, result: %s", qPrintable(filename));
+  return filename;
+}
+
+bool misc::isValidFileSystemName(QString filename) {
+  filename = filename.replace("\\", "/").trimmed();
+  if(filename.isEmpty()) return false;
+  const QRegExp regex("[/:?\"*<>|]");
+  if(filename.contains(regex))
+    return false;
+  return true;
+}
+
+#ifndef DISABLE_GUI
+// Get screen center
+QPoint misc::screenCenter(QWidget *win) {
+  int scrn = 0;
+  const QWidget *w = win->window();
+
+  if(w)
+    scrn = QApplication::desktop()->screenNumber(w);
+  else if(QApplication::desktop()->isVirtualDesktop())
+    scrn = QApplication::desktop()->screenNumber(QCursor::pos());
+  else
+    scrn = QApplication::desktop()->screenNumber(win);
+
+  QRect desk(QApplication::desktop()->availableGeometry(scrn));
+  return QPoint((desk.width() - win->frameGeometry().width()) / 2, (desk.height() - win->frameGeometry().height()) / 2);
+}
+#endif
+
+QString misc::searchEngineLocation() {
+  const QString &location = QDir::cleanPath(QDesktopServicesDataLocation()
+                                            + QDir::separator() + "search_engine");
+  QDir locationDir(location);
+  if(!locationDir.exists())
+    locationDir.mkpath(locationDir.absolutePath());
+  return location;
+}
+
+QString misc::BTBackupLocation() {
+  const QString &location = QDir::cleanPath(QDesktopServicesDataLocation()
+                                            + QDir::separator() + "BT_backup");
+  QDir locationDir(location);
+  if(!locationDir.exists())
+    locationDir.mkpath(locationDir.absolutePath());
+  return location;
+}
+
+QString misc::cacheLocation() {
+  const QString &location = QDir::cleanPath(QDesktopServicesCacheLocation());
+  QDir locationDir(location);
+  if(!locationDir.exists())
+    locationDir.mkpath(locationDir.absolutePath());
+  return location;
+}
+
+long long misc::freeDiskSpaceOnPath(QString path);
+
+// return best userfriendly storage unit (B, KiB, MiB, GiB, TiB)
+// use Binary prefix standards from IEC 60027-2
+// see http://en.wikipedia.org/wiki/Kilobyte
+// value must be given in bytes
+QString misc::friendlyUnit(double val) {
+  if(val < 0)
+    return tr("Unknown", "Unknown (size)");
+  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)")};
+  char i = 0;
+  while(val >= 1024. && i++<6)
+    val /= 1024.;
+  return QString::number(val, 'f', 1) + " " + units[(int)i];
+}
+
+bool misc::isPreviewable(QString extension){
+  extension = extension.toUpper();
+  if(extension == "AVI") return true;
+  if(extension == "MP3") return true;
+  if(extension == "OGG") return true;
+  if(extension == "OGM") return true;
+  if(extension == "WMV") return true;
+  if(extension == "WMA") return true;
+  if(extension == "MPEG") return true;
+  if(extension == "MPG") return true;
+  if(extension == "ASF") return true;
+  if(extension == "QT") return true;
+  if(extension == "RM") return true;
+  if(extension == "RMVB") return true;
+  if(extension == "RMV") return true;
+  if(extension == "SWF") return true;
+  if(extension == "FLV") return true;
+  if(extension == "WAV") return true;
+  if(extension == "MOV") return true;
+  if(extension == "VOB") return true;
+  if(extension == "MID") return true;
+  if(extension == "AC3") return true;
+  if(extension == "MP4") return true;
+  if(extension == "MP2") return true;
+  if(extension == "AVI") return true;
+  if(extension == "FLAC") return true;
+  if(extension == "AU") return true;
+  if(extension == "MPE") return true;
+  if(extension == "MOV") return true;
+  if(extension == "MKV") return true;
+  if(extension == "AIF") return true;
+  if(extension == "AIFF") return true;
+  if(extension == "AIFC") return true;
+  if(extension == "RA") return true;
+  if(extension == "RAM") return true;
+  if(extension == "M4P") return true;
+  if(extension == "M4A") return true;
+  if(extension == "3GP") return true;
+  if(extension == "AAC") return true;
+  if(extension == "SWA") return true;
+  if(extension == "MPC") return true;
+  if(extension == "MPP") return true;
+  return false;
+}
+
+bool misc::removeEmptyTree(QString path) {
+  QDir dir(path);
+  foreach(const QString &child, dir.entryList(QDir::AllDirs)) {
+    if(child == "." || child == "..") continue;
+    return removeEmptyTree(dir.absoluteFilePath(child));
+  }
+  const QString &dir_name = dir.dirName();
+  if(dir.cdUp()) {
+    return dir.rmdir(dir_name);
+  }
+  return false;
+}
+
+QString misc::magnetUriToName(QString magnet_uri) {
+  QString name = "";
+  QRegExp regHex("dn=([^&]+)");
+  const int pos = regHex.indexIn(magnet_uri);
+  if(pos > -1) {
+    const QString &found = regHex.cap(1);
+    // URL decode
+    name = QUrl::fromPercentEncoding(found.toLocal8Bit()).replace("+", " ");
+  }
+  return name;
+}
+
+QString misc::magnetUriToHash(QString magnet_uri) {
+  QString hash = "";
+  QRegExp regHex("urn:btih:([0-9A-Za-z]+)");
+  // Hex
+  int pos = regHex.indexIn(magnet_uri);
+  if(pos > -1) {
+    const QString &found = regHex.cap(1);
+    if(found.length() == 40) {
+      const sha1_hash sha1(QString(QByteArray::fromHex(regHex.cap(1).toLocal8Bit())).toStdString());
+      qDebug("magnetUriToHash (Hex): hash: %s", qPrintable(misc::toQString(sha1)));
+      return misc::toQString(sha1);
+    }
+  }
+  // Base 32
+  QRegExp regBase32("urn:btih:([A-Za-z2-7=]+)");
+  pos = regBase32.indexIn(magnet_uri);
+  if(pos > -1) {
+    const QString &found = regBase32.cap(1);
+    if(found.length() > 20 && (found.length()*5)%40 == 0) {
+      const sha1_hash sha1(base32decode(regBase32.cap(1).toStdString()));
+      hash = misc::toQString(sha1);
+    }
+  }
+  qDebug("magnetUriToHash (base32): hash: %s", qPrintable(hash));
+  return hash;
+}
+
+QString misc::boostTimeToQString(const boost::optional<boost::posix_time::ptime> boostDate) {
+  if(!boostDate) return tr("Unknown");
+  struct std::tm tm = boost::posix_time::to_tm(*boostDate);
+  return QDateTime::fromTime_t(mktime(&tm)).toString(Qt::DefaultLocaleLongDate);
+}
+
+// Replace ~ in path
+QString misc::expandPath(QString path) {
+  path = path.trimmed();
+  if(path.isEmpty()) return path;
+  if(path.length() == 1) {
+    if(path[0] == '~' ) return QDir::homePath();
+  }
+  if(path[0] == '~' && path[1] == QDir::separator()) {
+    path = path.replace(0, 1, QDir::homePath());
+  } else {
+    if(QDir::isAbsolutePath(path)) {
+      path = QDir(path).absolutePath();
+    }
+  }
+  return QDir::cleanPath(path);
+}
+
+// Take a number of seconds and return an user-friendly
+// time duration like "1d 2h 10m".
+QString misc::userFriendlyDuration(qlonglong seconds) {
+  if(seconds < 0) {
+    return QString::fromUtf8("∞");
+  }
+  if(seconds < 60) {
+    return tr("< 1m", "< 1 minute");
+  }
+  int minutes = seconds / 60;
+  if(minutes < 60) {
+    return tr("%1m","e.g: 10minutes").arg(QString::number(minutes));
+  }
+  int hours = minutes / 60;
+  minutes = minutes - hours*60;
+  if(hours < 24) {
+    return tr("%1h%2m", "e.g: 3hours 5minutes").arg(QString::number(hours)).arg(QString::number(minutes));
+  }
+  int days = hours / 24;
+  hours = hours - days * 24;
+  if(days < 100) {
+    return tr("%1d%2h%3m", "e.g: 2days 10hours 2minutes").arg(QString::number(days)).arg(QString::number(hours)).arg(QString::number(minutes));
+  }
+  return QString::fromUtf8("∞");
+}

src/misc.h

@@ -32,47 +32,12 @@
 #define MISC_H
 
 #include <sstream>
-#include <stdexcept>
-#include <QObject>
 #include <QString>
-#include <QByteArray>
-#include <QFileInfo>
-#include <QDir>
-#include <QList>
-#include <QPair>
 #include <QThread>
-#include <QUrl>
 #include <ctime>
-#include <QDateTime>
 #include <boost/date_time/posix_time/posix_time_types.hpp>
 #include <boost/date_time/posix_time/conversion.hpp>
-
+#include <QPoint>
-#ifdef DISABLE_GUI
-#include <QCoreApplication>
-#else
-#include <QApplication>
-#include <QDesktopWidget>
-#endif
-
-#ifdef Q_WS_WIN
-#include <shlobj.h>
-#endif
-
-#ifdef Q_WS_MAC
-#include <CoreServices/CoreServices.h>
-#include <ApplicationServices/ApplicationServices.h>
-#endif
-
-#ifndef Q_WS_WIN
-#ifdef Q_WS_MAC
-#include <sys/param.h>
-#include <sys/mount.h>
-#else
-#include <sys/vfs.h>
-#endif
-#else
-#include <winbase.h>
-#endif
 
 #include <libtorrent/torrent_info.hpp>
 using namespace libtorrent;
@@ -103,426 +68,46 @@ public:
     return x;
   }
 
-  static bool sameFiles(QString path1, QString path2) {
+  static bool sameFiles(QString path1, QString path2);
-    QFile f1(path1);
+  static void copyDir(QString src_path, QString dst_path);
-    if(!f1.exists()) return false;
+  // Introduced in v2.1.0 for backward compatibility
-    QFile f2(path2);
-    if(!f2.exists()) return false;
-    QByteArray content1, content2;
-    if(f1.open(QIODevice::ReadOnly)) {
-      content1 = f1.readAll();
-      f1.close();
-    } else {
-      return false;
-    }
-    if(f2.open(QIODevice::ReadOnly)) {
-      content1 = f2.readAll();
-      f2.close();
-    } else {
-      return false;
-    }
-    return content1 == content2;
-  }
-
-  static void copyDir(QString src_path, QString dst_path) {
-    QDir sourceDir(src_path);
-    if(!sourceDir.exists()) return;
-    // Create destination directory
-    QDir destDir(dst_path);
-    if(!destDir.exists()) {
-      if(!destDir.mkpath(destDir.absolutePath())) return;
-    }
-    // List source directory
-    const QFileInfoList &content = sourceDir.entryInfoList();
-    foreach(const QFileInfo& child, content) {
-      if(child.fileName()[0] == '.') continue;
-      if(child.isDir()) {
-        copyDir(child.absoluteFilePath(), dst_path+QDir::separator()+QDir(child.absoluteFilePath()).dirName());
-        continue;
-      }
-      const QString &src_child_path = child.absoluteFilePath();
-      const QString &dest_child_path = destDir.absoluteFilePath(child.fileName());
-      // Copy the file from src to dest
-      QFile::copy(src_child_path, dest_child_path);
-      // Remove source file
-      QFile::remove(src_child_path);
-    }
-    // Remove source folder
-    const QString &dir_name = sourceDir.dirName();
-    if(sourceDir.cdUp()) {
-      sourceDir.rmdir(dir_name);
-    }
-  }
-
-  // Introduced in v2.1.0
-  // For backward compatibility
   // Remove after some releases
-  static void moveToXDGFolders() {
+  static void moveToXDGFolders();
-    const QString &old_qBtPath = QDir::homePath()+QDir::separator()+QString::fromUtf8(".qbittorrent") + QDir::separator();
+  static QString toValidFileSystemName(QString filename);
-    if(QDir(old_qBtPath).exists()) {
+  static bool isValidFileSystemName(QString filename);
-      // Copy BT_backup folder
-      const QString &old_BTBackupPath = old_qBtPath + "BT_backup";
-      if(QDir(old_BTBackupPath).exists()) {
-        copyDir(old_BTBackupPath, BTBackupLocation());
-      }
-      // Copy search engine folder
-      const QString &old_searchPath = old_qBtPath + "search_engine";
-      if(QDir(old_searchPath).exists()) {
-        copyDir(old_searchPath, searchEngineLocation());
-      }
-      // Copy *_state files
-      if(QFile::exists(old_qBtPath+"dht_state")) {
-        QFile::copy(old_qBtPath+"dht_state", cacheLocation()+QDir::separator()+"dht_state");
-        QFile::remove(old_qBtPath+"dht_state");
-      }
-      if(QFile::exists(old_qBtPath+"ses_state")) {
-        QFile::copy(old_qBtPath+"ses_state", cacheLocation()+QDir::separator()+"ses_state");
-        QFile::remove(old_qBtPath+"ses_state");
-      }
-      // Remove .qbittorrent folder if empty
-      QDir::home().rmdir(".qbittorrent");
-    }
-  }
-
-  static QString toValidFileSystemName(QString filename) {
-    qDebug("toValidFSName: %s", qPrintable(filename));
-    filename = filename.replace("\\", "/").trimmed();
-    const QRegExp regex("[/:?\"*<>|]");
-    filename = filename.replace(regex, " ").trimmed();
-    qDebug("toValidFSName, result: %s", qPrintable(filename));
-    return filename;
-  }
-
-  static bool isValidFileSystemName(QString filename) {
-    filename = filename.replace("\\", "/").trimmed();
-    if(filename.isEmpty()) return false;
-    const QRegExp regex("[/:?\"*<>|]");
-    if(filename.contains(regex))
-      return false;
-    return true;
-  }
-
-/* Ported from Qt4 to drop dependency on QtGui */
-
-#ifdef Q_WS_MAC
-  static QString getFullPath(const FSRef &ref)
-  {
-    QByteArray ba(2048, 0);
-    if (FSRefMakePath(&ref, reinterpret_cast<UInt8 *>(ba.data()), ba.size()) == noErr)
-      return QString::fromUtf8(ba).normalized(QString::NormalizationForm_C);
-    return QString();
-  }
-#endif
-
-  static QString QDesktopServicesDataLocation() {
-#ifdef Q_WS_WIN
-#if defined Q_WS_WINCE
-    if (SHGetSpecialFolderPath(0, path, CSIDL_APPDATA, FALSE))
-#else
-      if (SHGetSpecialFolderPath(0, path, CSIDL_LOCAL_APPDATA, FALSE))
-#endif
-        result = QString::fromWCharArray(path);
-    if (!QCoreApplication::applicationName().isEmpty())
-      result = result + QLatin1String("\\") + qApp->applicationName();
-#else
-#ifdef Q_WS_MAC
-    // http://developer.apple.com/documentation/Carbon/Reference/Folder_Manager/Reference/reference.html
-    FSRef ref;
-    OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
-    if (err)
-      return QString();
-    QString path = getFullPath(ref);
-    path += QLatin1Char('/') + qApp->applicationName();
-    return path;
-#else
-    QString xdgDataHome = QLatin1String(qgetenv("XDG_DATA_HOME"));
-    if (xdgDataHome.isEmpty())
-      xdgDataHome = QDir::homePath() + QLatin1String("/.local/share");
-    xdgDataHome += QLatin1String("/data/")
-                   + qApp->applicationName();
-    return xdgDataHome;
-#endif
-#endif
-  }
-
-  static QString QDesktopServicesCacheLocation() {
-#ifdef Q_WS_WIN
-    return QDesktopServicesDataLocation() + QLatin1String("\\cache");
-#else
-#ifdef Q_WS_MAC
-    // http://developer.apple.com/documentation/Carbon/Reference/Folder_Manager/Reference/reference.html
-    FSRef ref;
-    OSErr err = FSFindFolder(kUserDomain, kCachedDataFolderType, false, &ref);
-    if (err)
-      return QString();
-    QString path = getFullPath(ref);
-    path += QLatin1Char('/') + qApp->applicationName();
-    return path;
-#else
-    QString xdgCacheHome = QLatin1String(qgetenv("XDG_CACHE_HOME"));
-    if (xdgCacheHome.isEmpty())
-      xdgCacheHome = QDir::homePath() + QLatin1String("/.cache");
-    xdgCacheHome += QLatin1Char('/') + QCoreApplication::applicationName();
-    return xdgCacheHome;
-#endif
-#endif
-  }
 
+  /* Ported from Qt4 to drop dependency on QtGui */
+  static QString QDesktopServicesDataLocation();
+  static QString QDesktopServicesCacheLocation();
   /* End of Qt4 code */
 
 #ifndef DISABLE_GUI
   // Get screen center
-  static QPoint screenCenter(QWidget *win) {
+  static QPoint screenCenter(QWidget *win);
-    int scrn = 0;
-    const QWidget *w = win->window();
-
-    if(w)
-      scrn = QApplication::desktop()->screenNumber(w);
-    else if(QApplication::desktop()->isVirtualDesktop())
-      scrn = QApplication::desktop()->screenNumber(QCursor::pos());
-    else
-      scrn = QApplication::desktop()->screenNumber(win);
-
-    QRect desk(QApplication::desktop()->availableGeometry(scrn));
-    return QPoint((desk.width() - win->frameGeometry().width()) / 2, (desk.height() - win->frameGeometry().height()) / 2);
-  }
 #endif
-
+  static QString searchEngineLocation();
-  static QString searchEngineLocation() {
+  static QString BTBackupLocation();
-    const QString &location = QDir::cleanPath(QDesktopServicesDataLocation()
+  static QString cacheLocation();
-                                       + QDir::separator() + "search_engine");
+  static long long freeDiskSpaceOnPath(QString path);
-    QDir locationDir(location);
-    if(!locationDir.exists())
-      locationDir.mkpath(locationDir.absolutePath());
-    return location;
-  }
-
-  static QString BTBackupLocation() {
-    const QString &location = QDir::cleanPath(QDesktopServicesDataLocation()
-                                       + QDir::separator() + "BT_backup");
-    QDir locationDir(location);
-    if(!locationDir.exists())
-      locationDir.mkpath(locationDir.absolutePath());
-    return location;
-  }
-
-  static QString cacheLocation() {
-    const QString &location = QDir::cleanPath(QDesktopServicesCacheLocation());
-    QDir locationDir(location);
-    if(!locationDir.exists())
-      locationDir.mkpath(locationDir.absolutePath());
-    return location;
-  }
-
-  static long long freeDiskSpaceOnPath(QString path) {
-    if(path.isEmpty()) return -1;
-    QDir dir_path(path);
-    if(!dir_path.exists()) {
-      if(!dir_path.cdUp()) return -1;
-    }
-    Q_ASSERT(dir_path.exists());
-#ifndef Q_WS_WIN
-    unsigned long long available;
-    struct statfs stats;
-    const QString &statfs_path = dir_path.path()+"/.";
-    const int ret = statfs (qPrintable(statfs_path), &stats) ;
-    if(ret == 0) {
-      available = ((unsigned long long)stats.f_bavail) *
-                  ((unsigned long long)stats.f_bsize) ;
-      return available;
-    } else {
-      return -1;
-    }
-#else
-    typedef BOOL (WINAPI *GetDiskFreeSpaceEx_t)(LPCTSTR,
-                                                PULARGE_INTEGER,
-                                                PULARGE_INTEGER,
-                                                PULARGE_INTEGER);
-    GetDiskFreeSpaceEx_t
-        pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
-                              (
-                                  ::GetModuleHandle(_T("kernel32.dll")),
-                                  "GetDiskFreeSpaceExW"
-                                  );
-    if ( pGetDiskFreeSpaceEx )
-    {
-      ULARGE_INTEGER bytesFree, bytesTotal;
-      unsigned long long *ret;
-      if (pGetDiskFreeSpaceEx((LPCTSTR)path.ucs2(), &bytesFree, &bytesTotal, NULL)) {
-        tmp = (unsigned long long*)&bytesFree
-              return ret;
-      } else {
-        return -1;
-      }
-    } else {
-      return -1;
-    }
-#endif
-  }
-
   // return best userfriendly storage unit (B, KiB, MiB, GiB, TiB)
   // use Binary prefix standards from IEC 60027-2
   // see http://en.wikipedia.org/wiki/Kilobyte
   // value must be given in bytes
-  static QString friendlyUnit(double val) {
+  static QString friendlyUnit(double val);
-    if(val < 0)
+  static bool isPreviewable(QString extension);
-      return tr("Unknown", "Unknown (size)");
+  static bool removeEmptyTree(QString path);
-    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)")};
+  static QString magnetUriToName(QString magnet_uri);
-    char i = 0;
+  static QString magnetUriToHash(QString magnet_uri);
-    while(val >= 1024. && i++<6)
+  static QString boostTimeToQString(const boost::optional<boost::posix_time::ptime> boostDate);
-      val /= 1024.;
-    return QString::number(val, 'f', 1) + " " + units[(int)i];
-  }
-
-  static bool isPreviewable(QString extension){
-    extension = extension.toUpper();
-    if(extension == "AVI") return true;
-    if(extension == "MP3") return true;
-    if(extension == "OGG") return true;
-    if(extension == "OGM") return true;
-    if(extension == "WMV") return true;
-    if(extension == "WMA") return true;
-    if(extension == "MPEG") return true;
-    if(extension == "MPG") return true;
-    if(extension == "ASF") return true;
-    if(extension == "QT") return true;
-    if(extension == "RM") return true;
-    if(extension == "RMVB") return true;
-    if(extension == "RMV") return true;
-    if(extension == "SWF") return true;
-    if(extension == "FLV") return true;
-    if(extension == "WAV") return true;
-    if(extension == "MOV") return true;
-    if(extension == "VOB") return true;
-    if(extension == "MID") return true;
-    if(extension == "AC3") return true;
-    if(extension == "MP4") return true;
-    if(extension == "MP2") return true;
-    if(extension == "AVI") return true;
-    if(extension == "FLAC") return true;
-    if(extension == "AU") return true;
-    if(extension == "MPE") return true;
-    if(extension == "MOV") return true;
-    if(extension == "MKV") return true;
-    if(extension == "AIF") return true;
-    if(extension == "AIFF") return true;
-    if(extension == "AIFC") return true;
-    if(extension == "RA") return true;
-    if(extension == "RAM") return true;
-    if(extension == "M4P") return true;
-    if(extension == "M4A") return true;
-    if(extension == "3GP") return true;
-    if(extension == "AAC") return true;
-    if(extension == "SWA") return true;
-    if(extension == "MPC") return true;
-    if(extension == "MPP") return true;
-    return false;
-  }
-
-  static bool removeEmptyTree(QString path) {
-    QDir dir(path);
-    foreach(const QString &child, dir.entryList(QDir::AllDirs)) {
-      if(child == "." || child == "..") continue;
-      return removeEmptyTree(dir.absoluteFilePath(child));
-    }
-    const QString &dir_name = dir.dirName();
-    if(dir.cdUp()) {
-      return dir.rmdir(dir_name);
-    }
-    return false;
-  }
-
-  static QString magnetUriToName(QString magnet_uri) {
-    QString name = "";
-    QRegExp regHex("dn=([^&]+)");
-    const int pos = regHex.indexIn(magnet_uri);
-    if(pos > -1) {
-      const QString &found = regHex.cap(1);
-      // URL decode
-      name = QUrl::fromPercentEncoding(found.toLocal8Bit()).replace("+", " ");
-    }
-    return name;
-  }
-
-  static QString magnetUriToHash(QString magnet_uri) {
-    QString hash = "";
-    QRegExp regHex("urn:btih:([0-9A-Za-z]+)");
-    // Hex
-    int pos = regHex.indexIn(magnet_uri);
-    if(pos > -1) {
-      const QString &found = regHex.cap(1);
-      if(found.length() == 40) {
-        const sha1_hash sha1(QString(QByteArray::fromHex(regHex.cap(1).toLocal8Bit())).toStdString());
-        qDebug("magnetUriToHash (Hex): hash: %s", qPrintable(misc::toQString(sha1)));
-        return misc::toQString(sha1);
-      }
-    }
-    // Base 32
-    QRegExp regBase32("urn:btih:([A-Za-z2-7=]+)");
-    pos = regBase32.indexIn(magnet_uri);
-    if(pos > -1) {
-      const QString &found = regBase32.cap(1);
-      if(found.length() > 20 && (found.length()*5)%40 == 0) {
-        const sha1_hash sha1(base32decode(regBase32.cap(1).toStdString()));
-        hash = misc::toQString(sha1);
-      }
-    }
-    qDebug("magnetUriToHash (base32): hash: %s", qPrintable(hash));
-    return hash;
-  }
-
-  static QString boostTimeToQString(const boost::optional<boost::posix_time::ptime> boostDate) {
-    if(!boostDate) return tr("Unknown");
-    struct std::tm tm = boost::posix_time::to_tm(*boostDate);
-    return QDateTime::fromTime_t(mktime(&tm)).toString(Qt::DefaultLocaleLongDate);
-  }
-
   // Replace ~ in path
-  static QString expandPath(QString path) {
+  static QString expandPath(QString path);
-    path = path.trimmed();
-    if(path.isEmpty()) return path;
-    if(path.length() == 1) {
-      if(path[0] == '~' ) return QDir::homePath();
-    }
-    if(path[0] == '~' && path[1] == QDir::separator()) {
-      path = path.replace(0, 1, QDir::homePath());
-    } else {
-      if(QDir::isAbsolutePath(path)) {
-        path = QDir(path).absolutePath();
-      }
-    }
-    return QDir::cleanPath(path);
-  }
-
   // Take a number of seconds and return an user-friendly
   // time duration like "1d 2h 10m".
-  static QString userFriendlyDuration(qlonglong seconds) {
+  static QString userFriendlyDuration(qlonglong seconds);
-    if(seconds < 0) {
-      return QString::fromUtf8("∞");
-    }
-    if(seconds < 60) {
-      return tr("< 1m", "< 1 minute");
-    }
-    int minutes = seconds / 60;
-    if(minutes < 60) {
-      return tr("%1m","e.g: 10minutes").arg(QString::number(minutes));
-    }
-    int hours = minutes / 60;
-    minutes = minutes - hours*60;
-    if(hours < 24) {
-      return tr("%1h%2m", "e.g: 3hours 5minutes").arg(QString::number(hours)).arg(QString::number(minutes));
-    }
-    int days = hours / 24;
-    hours = hours - days * 24;
-    if(days < 100) {
-      return tr("%1d%2h%3m", "e.g: 2days 10hours 2minutes").arg(QString::number(days)).arg(QString::number(hours)).arg(QString::number(minutes));
-    }
-    return QString::fromUtf8("∞");
-  }
 };
 
 //  Trick to get a portable sleep() function
-class SleeperThread : public QThread{
+class SleeperThread : public QThread {
 public:
   static void msleep(unsigned long msecs)
   {

src/previewselect.h

@@ -35,6 +35,7 @@
 #include <QStandardItemModel>
 #include <QHeaderView>
 #include <QMessageBox>
+#include <QFile>
 #include <libtorrent/session.hpp>
 #include "ui_preview.h"
 #include "previewlistdelegate.h"

src/src.pro

@@ -274,7 +274,8 @@ SOURCES += main.cpp \
     httprequestparser.cpp \
     httpresponsegenerator.cpp \
     eventmanager.cpp \
-    scannedfoldersmodel.cpp
+    scannedfoldersmodel.cpp \
+    misc.cpp
 
 !contains(DEFINES, DISABLE_GUI):SOURCES += GUI.cpp \
                    options_imp.cpp \

src/supportedengines.h

@@ -38,6 +38,7 @@
 #include <QDomElement>
 #include <QProcess>
 #include <QSettings>
+#include <QDir>
 
 #include "misc.h"
 

src/torrentfilesmodel.h

@@ -36,6 +36,7 @@
 #include <QVariant>
 #include <QStringList>
 #include <QString>
+#include <QDir>
 #include <libtorrent/torrent_info.hpp>
 #include "proplistdelegate.h"
 #include "misc.h"

src/torrentpersistentdata.h

@@ -33,6 +33,7 @@
 
 #include <QSettings>
 #include <QVariant>
+#include <QDateTime>
 #include <libtorrent/magnet_uri.hpp>
 #include "qtorrenthandle.h"
 #include "misc.h"

src/transferlistdelegate.h

@@ -38,6 +38,7 @@
 #include <QStyleOptionViewItemV2>
 #include <QApplication>
 #include <QPainter>
+#include <QDateTime>
 #include "misc.h"
 
 // Defines for download list list columns