/***************************************************************************
* Copyright (C) 2018-2020 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* 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. *
***************************************************************************/
#include <QApplication>
#include <QStorageInfo>
#include <QActionGroup>
#include <QStyle>
#include <QDir>
#include <QSettings>
#include <qmmpui/playlistmanager.h>
#include <windows.h>
#include <dbt.h>
#include <qmmpui/uihelper.h>
#include "removablehelper.h"
RemovableHelper::RemovableHelper(QObject *parent): QObject(parent)
{
qApp->installNativeEventFilter(this);
m_actions = new QActionGroup(this);
connect(m_actions,SIGNAL(triggered(QAction *)), SLOT(processAction(QAction *)));
//load settings
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
settings.beginGroup("rdetect");
m_detectCDA = settings.value("cda", true).toBool();
m_detectRemovable = settings.value("removable", true).toBool();
m_addTracks = false; //do not load tracks on startup
m_addFiles = false;
//find existing devices
updateActions();
//load remaining settings
m_addTracks = settings.value("add_tracks", false).toBool();
m_removeTracks = settings.value("remove_tracks", false).toBool();
m_addFiles = settings.value("add_files", false).toBool();
m_removeFiles = settings.value("remove_files", false).toBool();
settings.endGroup();
}
RemovableHelper::~RemovableHelper()
{
qApp->removeNativeEventFilter(this);
}
bool RemovableHelper::nativeEventFilter(const QByteArray &eventType, void *message, long *result)
{
Q_UNUSED(result);
if(eventType == "windows_generic_MSG")
{
MSG *msg = static_cast<MSG *>(message);
if(msg->message == WM_DEVICECHANGE && msg->wParam == DBT_DEVICEARRIVAL)
{
PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)msg->lParam;
if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
updateActions();
return true;
}
}
else if(msg->message == WM_DEVICECHANGE && msg->wParam == DBT_DEVICEREMOVECOMPLETE)
{
PDEV_BROADCAST_HDR lpdb = (PDEV_BROADCAST_HDR)msg->lParam;
if(lpdb->dbch_devicetype == DBT_DEVTYP_VOLUME)
{
updateActions();
return true;
}
}
}
return false;
}
void RemovableHelper::processAction(QAction *action)
{
qDebug("RemovableHelper: action triggered: %s", qPrintable(action->data().toString()));
QString path = action->data().toString();
PlayListManager::instance()->selectedPlayList()->add(path);
}
void RemovableHelper::updateActions()
{
const QList<QStorageInfo> volumes = QStorageInfo::mountedVolumes();
for(const QStorageInfo &storage : qAsConst(volumes))
{
if(!storage.isValid() || !storage.isReady())
continue;
QString dev_path;
if(m_detectRemovable && storage.bytesTotal() < 40000000000LL &&
(storage.fileSystemType() == "NTFS" ||
storage.fileSystemType() == "FAT32" ||
storage.fileSystemType() == "UDF"))
{
dev_path = storage.rootPath();
}
else if(storage.fileSystemType() == "CDFS")
{
dev_path = storage.rootPath();
if(isAudioCd(dev_path))
{
dev_path = QString("cdda://%1").arg(dev_path);
dev_path = dev_path.left(dev_path.size() - 1); //remove trailing '/'
}
}
else
continue;
if(!findAction(dev_path))
{
QAction *action = new QAction(this);
QString actionText;
if (dev_path.startsWith("cdda"))
{
actionText = QString(tr("Add CD \"%1\"")).arg(storage.displayName());
}
else
{
actionText = QString(tr("Add Volume \"%1\"")).arg(storage.displayName());
}
if(storage.fileSystemType() == "CDFS")
action->setIcon(qApp->style()->standardIcon(QStyle::SP_DriveCDIcon));
else if(storage.fileSystemType() == "UDF")
action->setIcon(qApp->style()->standardIcon(QStyle::SP_DriveDVDIcon));
else
action->setIcon(qApp->style()->standardIcon(QStyle::SP_DriveHDIcon));
qDebug("RemovableHelper: added menu item: \"%s\"", qPrintable(dev_path));
action->setText(actionText);
action->setData(dev_path);
m_actions->addAction(action);
UiHelper::instance()->addAction(action, UiHelper::ADD_MENU);
addPath(dev_path);
}
}
// remove action if device is unmounted/removed
const QList<QAction *> actions = m_actions->actions();
for(QAction *action : qAsConst(actions))
{
bool found = false;
for(const QStorageInfo &storage : qAsConst(volumes))
{
QString dev_path = storage.rootPath();
if(isAudioCd(dev_path))
{
dev_path = QString("cdda://%1").arg(dev_path);
dev_path = dev_path.left(dev_path.size() - 1); //remove trailing '/'
}
if(dev_path == action->data().toString())
{
found = true;
break;
}
}
if (!found)
{
qDebug("RemovableHelper: removed menu item: \"%s\"", qPrintable(action->data().toString()));
m_actions->removeAction(action);
UiHelper::instance()->removeAction(action);
removePath(action->data().toString());
action->deleteLater();
}
}
}
QAction *RemovableHelper::findAction(const QString &dev_path)
{
for(QAction *action : m_actions->actions())
{
if (action->data().toString() == dev_path)
return action;
}
return nullptr;
}
void RemovableHelper::addPath(const QString &path)
{
PlayListModel *model = PlayListManager::instance()->selectedPlayList();
for(PlayListItem *item : model->items()) // Is it already exist?
{
if(item->isGroup())
continue;
if (dynamic_cast<PlayListTrack *>(item)->path().startsWith(path))
return;
}
if (path.startsWith("cdda://") && m_addTracks)
{
model->add(path);
return;
}
else if (!path.startsWith("cdda://") && m_addFiles)
model->add(path);
}
void RemovableHelper::removePath(const QString &path)
{
if ((path.startsWith("cdda://") && !m_removeTracks) ||
(!path.startsWith("cdda://") && !m_removeFiles)) //process settings
return;
PlayListModel *model = PlayListManager::instance()->selectedPlayList();
int i = 0;
while (model->count() > 0 && i < model->count())
{
if (model->isTrack(i) && model->track(i)->path().startsWith(path))
model->removeTrack(i);
else
++i;
}
}
bool RemovableHelper::isAudioCd(const QString &path)
{
QDir dir(path);
return !dir.entryInfoList(QStringList() << "*.cda").isEmpty();
}
