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// Copyright (C) 2016 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 <QtCore/qmimedata.h>
#include "qutimimeconverter.h"
#include "qmacmimeregistry_p.h"
#include "qguiapplication.h"
#include "private/qcore_mac_p.h"
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
namespace QMacMimeRegistry {
typedef QList<QUtiMimeConverter*> MimeList;
Q_GLOBAL_STATIC(MimeList, globalMimeList)
Q_GLOBAL_STATIC(QStringList, globalDraggedTypesList)
// implemented in qutimimeconverter.mm
void registerBuiltInTypes();
void registerDraggedTypes(const QStringList &types)
{
(*globalDraggedTypesList()) += types;
}
const QStringList& enabledDraggedTypes()
{
return (*globalDraggedTypesList());
}
/*****************************************************************************
QDnD debug facilities
*****************************************************************************/
//#define DEBUG_MIME_MAPS
/*!
\class QMacMimeRegistry
\internal
\ingroup draganddrop
*/
/*!
\internal
This is an internal function.
*/
void initializeMimeTypes()
{
if (globalMimeList()->isEmpty())
registerBuiltInTypes();
}
/*!
\internal
*/
void destroyMimeTypes()
{
MimeList *mimes = globalMimeList();
while (!mimes->isEmpty())
delete mimes->takeFirst();
}
/*
Returns a MIME type of for scope \a scope for \a uti, or \nullptr if none exists.
*/
QString flavorToMime(QUtiMimeConverter::HandlerScope scope, const QString &uti)
{
const MimeList &mimes = *globalMimeList();
for (const auto &mime : mimes) {
const bool relevantScope = mime->scope() & scope;
#ifdef DEBUG_MIME_MAPS
qDebug("QMacMimeRegistry::flavorToMime: attempting (%d) for uti %s [%s]",
relevantScope, qPrintable(uti), qPrintable((*it)->mimeForUti(uti)));
#endif
if (relevantScope) {
const QString mimeType = mime->mimeForUti(uti);
if (!mimeType.isNull())
return mimeType;
}
}
return QString();
}
void registerMimeConverter(QUtiMimeConverter *macMime)
{
// globalMimeList is in decreasing priority order. Recently added
// converters take prioity over previously added converters: prepend
// to the list.
globalMimeList()->prepend(macMime);
}
void unregisterMimeConverter(QUtiMimeConverter *macMime)
{
if (!QGuiApplication::closingDown())
globalMimeList()->removeAll(macMime);
}
/*
Returns a list of all currently defined QUtiMimeConverter objects for scope \a scope.
*/
QList<QUtiMimeConverter *> all(QUtiMimeConverter::HandlerScope scope)
{
MimeList ret;
const MimeList &mimes = *globalMimeList();
for (const auto &mime : mimes) {
if (mime->scope() & scope)
ret.append(mime);
}
return ret;
}
} // namespace QMacMimeRegistry
QT_END_NAMESPACE
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