ucb/source/ucp/hierarchy/hierarchyprovider.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <ucbhelper/providerhelper.hxx>
  23 #include <com/sun/star/lang/XInitialization.hpp>
  24 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  25 #include <unordered_map>
  26
  27 namespace com::sun::star {
  28     namespace container {
  29         class XHierarchicalNameAccess;
  30     }
  31     namespace util {
  32         class XOfficeInstallationDirectories;
  33     }
  34 }
  35
  36 namespace hierarchy_ucp {
  37
  38
  39 #define HIERARCHY_URL_SCHEME \
  40                 "vnd.sun.star.hier"
  41 #define HIERARCHY_URL_SCHEME_LENGTH 17
  42
  43 inline constexpr OUString HIERARCHY_FOLDER_CONTENT_TYPE =
  44                 u"application/" HIERARCHY_URL_SCHEME "-folder"_ustr;
  45 inline constexpr OUString HIERARCHY_LINK_CONTENT_TYPE =
  46                 u"application/" HIERARCHY_URL_SCHEME "-link"_ustr;
  47
  48 struct ConfigProviderMapEntry
  49 {
  50     css::uno::Reference< css::lang::XMultiServiceFactory > xConfigProvider;
  51     css::uno::Reference< css::container::XHierarchicalNameAccess > xRootReadAccess;
  52     bool bTriedToGetRootReadAccess;
  53
  54     ConfigProviderMapEntry() : bTriedToGetRootReadAccess( false ) {}
  55 };
  56
  57 typedef std::unordered_map
  58 <
  59     OUString,  // service specifier
  60     ConfigProviderMapEntry
  61 >
  62 ConfigProviderMap;
  63
  64 typedef cppu::ImplInheritanceHelper< ::ucbhelper::ContentProviderImplHelper, css::lang::XInitialization> HierarchyContentProvider_Base;
  65 class HierarchyContentProvider : public HierarchyContentProvider_Base
  66 {
  67     ConfigProviderMap   m_aConfigProviderMap;
  68     css::uno::Reference< css::util::XOfficeInstallationDirectories > m_xOfficeInstDirs;
  69
  70 public:
  71     explicit HierarchyContentProvider(
  72                 const css::uno::Reference< css::uno::XComponentContext >& rxContext );
  73     virtual ~HierarchyContentProvider() override;
  74
  75     // XServiceInfo
  76     virtual OUString SAL_CALL getImplementationName() override;
  77     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  78     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  79
  80     // XContentProvider
  81     virtual css::uno::Reference< css::ucb::XContent > SAL_CALL
  82     queryContent( const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier ) override;
  83
  84     // XInitialization
  85     virtual void SAL_CALL
  86     initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
  87
  88     // Non-Interface methods
  89     css::uno::Reference< css::lang::XMultiServiceFactory >
  90     getConfigProvider( const OUString & rServiceSpecifier );
  91     css::uno::Reference< css::container::XHierarchicalNameAccess >
  92     getRootConfigReadNameAccess( const OUString & rServiceSpecifier );
  93
  94     // Note: may return an empty reference.
  95     css::uno::Reference< css::util::XOfficeInstallationDirectories >
  96     getOfficeInstallationDirectories();
  97 };
  98
  99 } // namespace hierarchy_ucp
 100
 101 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */