1 files changed, 81 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlpluginimporter_p.h b/src/qml/qml/qqmlpluginimporter_p.h
new file mode 100644
index 0000000000..b0056e8e33
--- /dev/null
+++ b/src/qml/qml/qqmlpluginimporter_p.h
@@ -0,0 +1,81 @@
+// 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
+
+#ifndef QQMLPLUGINIMPORTER_P_H
+#define QQMLPLUGINIMPORTER_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <private/qtqmlglobal_p.h>
+#include <private/qqmlimport_p.h>
+#include <private/qqmltypeloaderqmldircontent_p.h>
+
+#include <QtCore/qjsonarray.h>
+#include <QtCore/qplugin.h>
+#include <QtCore/qversionnumber.h>
+
+QT_BEGIN_NAMESPACE
+
+class QQmlPluginImporter
+{
+    Q_DISABLE_COPY_MOVE(QQmlPluginImporter)
+
+public:
+    QQmlPluginImporter(const QString &uri, QTypeRevision version, QQmlImportDatabase *database,
+                   const QQmlTypeLoaderQmldirContent *qmldir, QQmlTypeLoader *typeLoader,
+                   QList<QQmlError> *errors)
+        : uri(uri)
+        , qmldirPath(truncateToDirectory(qmldir->qmldirLocation()))
+        , qmldir(qmldir)
+        , database(database)
+        , typeLoader(typeLoader)
+        , errors(errors)
+        , version(version)
+    {}
+
+    ~QQmlPluginImporter() = default;
+
+    QTypeRevision importDynamicPlugin(
+            const QString &filePath, const QString &pluginId, bool optional);
+    QTypeRevision importStaticPlugin(QObject *instance, const QString &pluginId);
+    QTypeRevision importPlugins();
+
+    static bool removePlugin(const QString &pluginId);
+    static QStringList plugins();
+
+private:
+    struct StaticPluginData {
+        QStaticPlugin plugin;
+        QJsonArray uriList;
+    };
+
+    static QString truncateToDirectory(const QString &qmldirFilePath);
+    bool populatePluginDataVector(QVector<StaticPluginData> &result,
+                                  const QStringList &versionUris);
+
+    QString resolvePlugin(const QString &qmldirPluginPath, const QString &baseName);
+    void finalizePlugin(QObject *instance, const QString &path);
+
+    const QString uri;
+    const QString qmldirPath;
+
+    const QQmlTypeLoaderQmldirContent *qmldir = nullptr;
+    QQmlImportDatabase *database = nullptr;
+    QQmlTypeLoader *typeLoader = nullptr;
+    QList<QQmlError> *errors = nullptr;
+
+    const QTypeRevision version;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLPLUGINIMPORTER_P_H