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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qmediastoragelocation_p.h"
#include <QStandardPaths>
#include <QUrl>
QT_BEGIN_NAMESPACE
QDir QMediaStorageLocation::defaultDirectory(QStandardPaths::StandardLocation type)
{
QStringList dirCandidates;
#if QT_CONFIG(mmrenderer)
dirCandidates << QLatin1String("shared/camera");
#endif
dirCandidates << QStandardPaths::writableLocation(type);
dirCandidates << QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
dirCandidates << QDir::homePath();
dirCandidates << QDir::currentPath();
dirCandidates << QDir::tempPath();
for (const QString &path : std::as_const(dirCandidates)) {
QDir dir(path);
if (dir.exists() && QFileInfo(path).isWritable())
return dir;
}
return QDir();
}
static QString generateFileName(const QDir &dir, const QString &prefix, const QString &extension)
{
auto lastMediaIndex = 0;
const auto list = dir.entryList({ QStringLiteral("%1*.%2").arg(prefix, extension) });
for (const QString &fileName : list) {
auto mediaIndex = QStringView{fileName}.mid(prefix.size(), fileName.size() - prefix.size() - extension.size() - 1).toInt();
lastMediaIndex = qMax(lastMediaIndex, mediaIndex);
}
const QString name = QStringLiteral("%1%2.%3")
.arg(prefix)
.arg(lastMediaIndex + 1, 4, 10, QLatin1Char('0'))
.arg(extension);
return dir.absoluteFilePath(name);
}
QString QMediaStorageLocation::generateFileName(const QString &requestedName,
QStandardPaths::StandardLocation type,
const QString &extension)
{
using namespace Qt::StringLiterals;
if (QUrl(requestedName).scheme() == "content"_L1)
return requestedName;
auto prefix = "clip_"_L1;
switch (type) {
case QStandardPaths::PicturesLocation: prefix = "image_"_L1; break;
case QStandardPaths::MoviesLocation: prefix = "video_"_L1; break;
case QStandardPaths::MusicLocation: prefix = "record_"_L1; break;
default: break;
}
if (requestedName.isEmpty())
return generateFileName(defaultDirectory(type), prefix, extension);
QString path = requestedName;
if (QFileInfo(path).isRelative() && QUrl(path).isRelative())
path = defaultDirectory(type).absoluteFilePath(path);
if (QFileInfo(path).isDir())
return generateFileName(QDir(path), prefix, extension);
if (!path.endsWith(extension))
path.append(QStringLiteral(".%1").arg(extension));
return path;
}
QT_END_NAMESPACE
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