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/XSingleServiceFactory.hpp>
  25 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  26 #include <unordered_map>
  27
  28 namespace com::sun::star {
  29     namespace container {
  30         class XHierarchicalNameAccess;
  31     }
  32     namespace util {
  33         class XOfficeInstallationDirectories;
  34     }
  35 }
  36
  37 namespace hierarchy_ucp {
  38
  39
  40 #define HIERARCHY_URL_SCHEME \
  41                 "vnd.sun.star.hier"
  42 #define HIERARCHY_URL_SCHEME_LENGTH 17
  43
  44 #define HIERARCHY_FOLDER_CONTENT_TYPE \
  45                 "application/" HIERARCHY_URL_SCHEME "-folder"
  46 #define HIERARCHY_LINK_CONTENT_TYPE \
  47                 "application/" HIERARCHY_URL_SCHEME "-link"
  48
  49 struct ConfigProviderMapEntry
  50 {
  51     css::uno::Reference< css::lang::XMultiServiceFactory > xConfigProvider;
  52     css::uno::Reference< css::container::XHierarchicalNameAccess > xRootReadAccess;
  53     bool bTriedToGetRootReadAccess;
  54
  55     ConfigProviderMapEntry() : bTriedToGetRootReadAccess( false ) {}
  56 };
  57
  58 typedef std::unordered_map
  59 <
  60     OUString,  // service specifier
  61     ConfigProviderMapEntry
  62 >
  63 ConfigProviderMap;
  64
  65 class HierarchyContentProvider : public ::ucbhelper::ContentProviderImplHelper,
  66                                  public css::lang::XInitialization
  67 {
  68     ConfigProviderMap   m_aConfigProviderMap;
  69     css::uno::Reference< css::util::XOfficeInstallationDirectories > m_xOfficeInstDirs;
  70
  71 public:
  72     explicit HierarchyContentProvider(
  73                 const css::uno::Reference< css::uno::XComponentContext >& rxContext );
  74     virtual ~HierarchyContentProvider() override;
  75
  76     // XInterface
  77     virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type & rType ) override;
  78     virtual void SAL_CALL acquire()
  79         noexcept override;
  80     virtual void SAL_CALL release()
  81         noexcept override;
  82
  83     // XTypeProvider
  84     virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId() override;
  85     virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes() override;
  86
  87     // XServiceInfo
  88     virtual OUString SAL_CALL getImplementationName() override;
  89     virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
  90     virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  91
  92     // XContentProvider
  93     virtual css::uno::Reference< css::ucb::XContent > SAL_CALL
  94     queryContent( const css::uno::Reference< css::ucb::XContentIdentifier >& Identifier ) override;
  95
  96     // XInitialization
  97     virtual void SAL_CALL
  98     initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override;
  99
 100     // Non-Interface methods
 101     css::uno::Reference< css::lang::XMultiServiceFactory >
 102     getConfigProvider( const OUString & rServiceSpecifier );
 103     css::uno::Reference< css::container::XHierarchicalNameAccess >
 104     getRootConfigReadNameAccess( const OUString & rServiceSpecifier );
 105
 106     // Note: may return an empty reference.
 107     css::uno::Reference< css::util::XOfficeInstallationDirectories >
 108     getOfficeInstallationDirectories();
 109 };
 110
 111 } // namespace hierarchy_ucp
 112
 113 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */