1 files changed, 112 insertions, 0 deletions
diff --git a/ucb/source/ucp/hierarchy/hierarchyprovider.hxx b/ucb/source/ucp/hierarchy/hierarchyprovider.hxx
new file mode 100644
index 000000000..cbd2911d4
--- /dev/null
+++ b/ucb/source/ucp/hierarchy/hierarchyprovider.hxx
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <ucbhelper/providerhelper.hxx>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <unordered_map>
+
+namespace com::sun::star {
+    namespace container {
+        class XHierarchicalNameAccess;
+    }
+    namespace util {
+        class XOfficeInstallationDirectories;
+    }
+}
+
+namespace hierarchy_ucp {
+
+
+#define HIERARCHY_URL_SCHEME \
+                "vnd.sun.star.hier"
+#define HIERARCHY_URL_SCHEME_LENGTH 17
+
+inline constexpr OUStringLiteral HIERARCHY_FOLDER_CONTENT_TYPE =
+                u"application/" HIERARCHY_URL_SCHEME "-folder";
+inline constexpr OUStringLiteral HIERARCHY_LINK_CONTENT_TYPE =
+                u"application/" HIERARCHY_URL_SCHEME "-link";
+
+struct ConfigProviderMapEntry
+{
+    css::uno::Reference< css::lang::XMultiServiceFactory > xConfigProvider;
+    css::uno::Reference< css::container::XHierarchicalNameAccess > xRootReadAccess;
+    bool bTriedToGetRootReadAccess;
+
+    ConfigProviderMapEntry() : bTriedToGetRootReadAccess( false ) {}
+};
+
+typedef std::unordered_map
+<
+    OUString,  // service specifier
+    ConfigProviderMapEntry
+>
+ConfigProviderMap;
+
+class HierarchyContentProvider : public ::ucbhelper::ContentProviderImplHelper,
+                                 public css::lang::XInitialization
+{
+    ConfigProviderMap   m_aConfigProviderMap;
+    css::uno::Reference< css::util::XOfficeInstallationDirectories > m_xOfficeInstDirs;
+
+public:
+    explicit HierarchyContentProvider(
+                const css::uno::Reference< css::uno::XComponentContext >& rxContext );
+    virtual ~HierarchyContentProvider() override;
+
+    // XInterface
+    virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
+    virtual void SAL_CALL acquire()
+        noexcept override;
+    virtual void SAL_CALL release()
+        noexcept override;
+
+    // XTypeProvider
+    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
+    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+    virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+    // XContentProvider
+    virtual css::uno::Reference< css::ucb::XContent > SAL_CALL
+    queryContent( const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier ) override;
+
+    // XInitialization
+    virtual void SAL_CALL
+    initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
+
+    // Non-Interface methods
+    css::uno::Reference< css::lang::XMultiServiceFactory >
+    getConfigProvider( const OUString & rServiceSpecifier );
+    css::uno::Reference< css::container::XHierarchicalNameAccess >
+    getRootConfigReadNameAccess( const OUString & rServiceSpecifier );
+
+    // Note: may return an empty reference.
+    css::uno::Reference< css::util::XOfficeInstallationDirectories >
+    getOfficeInstallationDirectories();
+};
+
+} // namespace hierarchy_ucp
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */