1 files changed, 118 insertions, 0 deletions
diff --git a/src/gui/platform/darwin/qmacmimeregistry.mm b/src/gui/platform/darwin/qmacmimeregistry.mm
new file mode 100644
index 0000000000..6710a0656f
--- /dev/null
+++ b/src/gui/platform/darwin/qmacmimeregistry.mm
@@ -0,0 +1,118 @@
+// 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