Line data    Source code

       1              : /*
       2              :  * SPDX-License-Identifier: GPL-3.0-only
       3              :  * MuseScore-CLA-applies
       4              :  *
       5              :  * MuseScore Studio
       6              :  * Music Composition & Notation
       7              :  *
       8              :  * Copyright (C) 2021 MuseScore Limited and others
       9              :  *
      10              :  * This program is free software: you can redistribute it and/or modify
      11              :  * it under the terms of the GNU General Public License version 3 as
      12              :  * published by the Free Software Foundation.
      13              :  *
      14              :  * This program is distributed in the hope that it will be useful,
      15              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17              :  * GNU General Public License for more details.
      18              :  *
      19              :  * You should have received a copy of the GNU General Public License
      20              :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      21              :  */
      22              : 
      23              : #include "filesystemwatcher.h"
      24              : 
      25              : #ifndef NO_QT_SUPPORT
      26              : #include <QFileSystemWatcher>
      27              : #endif
      28              : 
      29              : namespace muse::io {
      30              : #ifndef NO_QT_SUPPORT
      31              : 
      32            0 : FileSystemWatcher::FileSystemWatcher()
      33            0 :     : m_watcher(std::make_unique<QFileSystemWatcher>())
      34              : {
      35            0 :     QObject::connect(m_watcher.get(), &QFileSystemWatcher::fileChanged,
      36            0 :                      [this](const QString& path) {
      37            0 :         m_fileChannel.send(path.toStdString());
      38            0 :     });
      39              : 
      40            0 :     QObject::connect(m_watcher.get(), &QFileSystemWatcher::directoryChanged,
      41            0 :                      [this](const QString& path) {
      42            0 :         m_directoryChannel.send(path.toStdString());
      43            0 :     });
      44            0 : }
      45              : 
      46            0 : FileSystemWatcher::~FileSystemWatcher() = default;
      47              : 
      48            0 : void FileSystemWatcher::startWatching(const std::string& path)
      49              : {
      50            0 :     m_watcher->addPath(QString::fromStdString(path));
      51            0 : }
      52              : 
      53            0 : void FileSystemWatcher::stopWatching(const std::string& path)
      54              : {
      55            0 :     if (path.empty()) {
      56            0 :         const auto watchedPaths = m_watcher->files();
      57            0 :         if (!watchedPaths.isEmpty()) {
      58            0 :             m_watcher->removePaths(watchedPaths);
      59              :         }
      60            0 :         const auto watchedDirs = m_watcher->directories();
      61            0 :         if (!watchedDirs.isEmpty()) {
      62            0 :             m_watcher->removePaths(watchedDirs);
      63              :         }
      64            0 :         return;
      65            0 :     }
      66            0 :     m_watcher->removePath(QString::fromStdString(path));
      67              : }
      68              : 
      69              : #else
      70              : 
      71              : FileSystemWatcher::FileSystemWatcher() = default;
      72              : FileSystemWatcher::~FileSystemWatcher() = default;
      73              : 
      74              : void FileSystemWatcher::startWatching(const std::string&) {}
      75              : void FileSystemWatcher::stopWatching(const std::string&) {}
      76              : 
      77              : #endif
      78              : 
      79            0 : muse::async::Channel<std::string> FileSystemWatcher::fileChanged() const
      80              : {
      81            0 :     return m_fileChannel;
      82              : }
      83              : 
      84            0 : muse::async::Channel<std::string> FileSystemWatcher::directoryChanged() const
      85              : {
      86            0 :     return m_directoryChannel;
      87              : }
      88              : }