Files
cantata/devices/umsdevice.cpp
2017-04-08 10:35:31 +01:00

330 lines
9.5 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2017 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "umsdevice.h"
#include "support/utils.h"
#include "devicepropertiesdialog.h"
#include "devicepropertieswidget.h"
#include "actiondialog.h"
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include "solid-lite/storagedrive.h"
static const QLatin1String constSettingsFile("/.is_audio_player");
static const QLatin1String constMusicFolderKey("audio_folder");
static const QLatin1String constCollectionNameKey("collection_name");
UmsDevice::UmsDevice(MusicLibraryModel *m, Solid::Device &dev)
: FsDevice(m, dev)
, access(dev.as<Solid::StorageAccess>())
{
spaceInfo.setPath(access->filePath());
QString details=QLatin1String(" (")+Utils::formatByteSize(spaceInfo.size());
QStringList udiParts=dev.udi().split(QLatin1Char('/'), QString::SkipEmptyParts);
if (udiParts.length()>1) {
details+=QLatin1String(" - ")+udiParts.last();
}
if (!details.isEmpty()) {
details+=QLatin1Char(')');
}
defaultName=data()+details;
setData(defaultName);
setup();
icn=Icon(QStringList() << "drive-removable-media-usb-pendrive" << "drive-removable-media-usb"
<< "multimedia-player");
}
UmsDevice::~UmsDevice()
{
}
void UmsDevice::connectionStateChanged()
{
if (isConnected()) {
spaceInfo.setPath(access->filePath());
setup();
if (opts.autoScan || scanned){ // Only scan if we are set to auto scan, or we have already scanned before...
rescan(false); // Read from cache if we have it!
} else {
setStatusMessage(tr("Not Scanned"));
}
} else {
clear();
}
}
void UmsDevice::toggle()
{
if (solidDev.isValid() && access && access->isValid()) {
if (access->isAccessible()) {
stopScanner();
access->teardown();
} else {
access->setup();
}
}
}
bool UmsDevice::isConnected() const
{
return solidDev.isValid() && access && access->isValid() && access->isAccessible();
}
double UmsDevice::usedCapacity()
{
if (cacheProgress>-1) {
return (cacheProgress*1.0)/100.0;
}
if (!isConnected()) {
return -1.0;
}
return spaceInfo.size()>0 ? (spaceInfo.used()*1.0)/(spaceInfo.size()*1.0) : -1.0;
}
QString UmsDevice::capacityString()
{
if (cacheProgress>-1) {
return statusMessage();
}
if (!isConnected()) {
return tr("Not Connected");
}
return tr("%1 free").arg(Utils::formatByteSize(spaceInfo.size()-spaceInfo.used()));
}
qint64 UmsDevice::freeSpace()
{
if (!isConnected()) {
return 0;
}
return spaceInfo.size()-spaceInfo.used();
}
void UmsDevice::setup()
{
if (!isConnected()) {
return;
}
QString path=spaceInfo.path();
audioFolder = path;
QFile file(path+constSettingsFile);
QString audioFolderSetting;
QString n=data();
bool haveOpts=FsDevice::readOpts(path+constCantataSettingsFile, opts, false);
if (file.open(QIODevice::ReadOnly|QIODevice::Text)) {
configured=true;
QTextStream in(&file);
while (!in.atEnd()) {
QString line = in.readLine();
if (line.startsWith(constMusicFolderKey+"=")) {
audioFolderSetting=audioFolder=Utils::cleanPath(path+'/'+line.section('=', 1, 1));
if (!QDir(audioFolder).exists()) {
audioFolder = path;
}
} else if (line.startsWith(constMusicFilenameSchemeKey+"=")) {
QString scheme = line.section('=', 1, 1);
//protect against empty setting.
if( !scheme.isEmpty() ) {
opts.scheme = scheme;
}
} else if (line.startsWith(constVfatSafeKey+"=")) {
opts.vfatSafe = QLatin1String("true")==line.section('=', 1, 1);
} else if (line.startsWith(constAsciiOnlyKey+"=")) {
opts.asciiOnly = QLatin1String("true")==line.section('=', 1, 1);
} else if (line.startsWith(constIgnoreTheKey+"=")) {
opts.ignoreThe = QLatin1String("true")==line.section('=', 1, 1);
} else if (line.startsWith(constReplaceSpacesKey+"=")) {
opts.replaceSpaces = QLatin1String("true")==line.section('=', 1, 1);
} else if (line.startsWith(constCollectionNameKey+"=")) {
opts.name = line.section('=', 1, 1).trimmed();
} else {
unusedParams+=line;
}
}
}
if (!configured) {
configured=haveOpts;
}
if (opts.coverName.isEmpty()) {
opts.coverName=constDefCoverFileName;
}
// No setting, see if any standard dirs exist in path...
if (audioFolderSetting.isEmpty() || audioFolderSetting!=audioFolder) {
QStringList dirs;
dirs << QLatin1String("Music") << QLatin1String("MUSIC")
<< QLatin1String("Albums") << QLatin1String("ALBUMS");
foreach (const QString &d, dirs) {
if (QDir(path+d).exists()) {
audioFolder=path+d;
break;
}
}
}
if (!audioFolder.endsWith('/')) {
audioFolder+='/';
}
if (opts.autoScan || scanned){ // Only scan if we are set to auto scan, or we have already scanned before...
rescan(false); // Read from cache if we have it!
} else {
setStatusMessage(tr("Not Scanned"));
}
if (!opts.name.isEmpty() && opts.name!=n) {
setData(opts.name);
emit renamed();
}
}
void UmsDevice::configure(QWidget *parent)
{
if (!isIdle()) {
return;
}
DevicePropertiesDialog *dlg=new DevicePropertiesDialog(parent);
connect(dlg, SIGNAL(updatedSettings(const QString &, const DeviceOptions &)), SLOT(saveProperties(const QString &, const DeviceOptions &)));
if (!configured) {
connect(dlg, SIGNAL(cancelled()), SLOT(saveProperties()));
}
DeviceOptions o=opts;
if (o.name.isEmpty()) {
o.name=data();
}
dlg->show(audioFolder, o, DevicePropertiesWidget::Prop_All,
qobject_cast<ActionDialog *>(parent) ? DevicePropertiesWidget::Prop_Folder : 0);
}
void UmsDevice::saveProperties()
{
saveProperties(audioFolder, opts);
}
static inline QString toString(bool b)
{
return b ? QLatin1String("true") : QLatin1String("false");
}
void UmsDevice::saveOptions()
{
if (!isConnected()) {
return;
}
QString path=spaceInfo.path();
QFile file(path+constSettingsFile);
QString fixedPath(audioFolder);
if (fixedPath.startsWith(path)) {
fixedPath=QLatin1String("./")+fixedPath.mid(path.length());
}
DeviceOptions def;
if (file.open(QIODevice::WriteOnly|QIODevice::Text)) {
QTextStream out(&file);
if (!fixedPath.isEmpty()) {
out << constMusicFolderKey << '=' << fixedPath << '\n';
}
if (opts.scheme!=def.scheme) {
out << constMusicFilenameSchemeKey << '=' << opts.scheme << '\n';
}
if (opts.scheme!=def.scheme) {
out << constVfatSafeKey << '=' << toString(opts.vfatSafe) << '\n';
}
if (opts.asciiOnly!=def.asciiOnly) {
out << constAsciiOnlyKey << '=' << toString(opts.asciiOnly) << '\n';
}
if (opts.ignoreThe!=def.ignoreThe) {
out << constIgnoreTheKey << '=' << toString(opts.ignoreThe) << '\n';
}
if (opts.replaceSpaces!=def.replaceSpaces) {
out << constReplaceSpacesKey << '=' << toString(opts.replaceSpaces) << '\n';
}
if (!opts.name.isEmpty() && opts.name!=defaultName) {
out << constCollectionNameKey << '=' << opts.name << '\n';
}
foreach (const QString &u, unusedParams) {
out << u << '\n';
}
}
}
void UmsDevice::saveProperties(const QString &newPath, const DeviceOptions &newOpts)
{
QString nPath=Utils::fixPath(newPath);
if (configured && opts==newOpts && nPath==audioFolder) {
return;
}
configured=true;
QString newName=newOpts.name.isEmpty() ? defaultName : newOpts.name;
bool diffName=opts.name!=newName;
bool diffCacheSettings=opts.useCache!=newOpts.useCache;
opts=newOpts;
if (diffName) {
setData(newName);
}
if (diffCacheSettings) {
if (opts.useCache) {
saveCache();
} else {
removeCache();
}
}
emit configurationChanged();
QString oldPath=audioFolder;
if (!isConnected()) {
return;
}
audioFolder=nPath;
saveOptions();
FsDevice::writeOpts(spaceInfo.path()+constCantataSettingsFile, opts, false);
if (oldPath!=audioFolder) {
rescan(); // Path changed, so we can ignore cache...
}
if (diffName) {
emit renamed();
}
}