extensions/source/ole/servprov.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 <functional>
  23
  24 #include <com/sun/star/lang/XInitialization.hpp>
  25 #include <com/sun/star/lang/XServiceInfo.hpp>
  26 #include <cppuhelper/implbase.hxx>
  27
  28 #include "ole2uno.hxx"
  29 #include "unoconversionutilities.hxx"
  30
  31 using namespace com::sun::star::bridge;
  32 using namespace cppu;
  33
  34 /// @throws Exception
  35 Reference< XInterface> ConverterProvider_CreateInstance2(  const Reference<XMultiServiceFactory> & xSMgr);
  36 /// @throws Exception
  37 Reference< XInterface> ConverterProvider_CreateInstanceVar1(   const Reference<XMultiServiceFactory> & xSMgr);
  38 /// @throws Exception
  39 Reference<XInterface> OleClient_CreateInstance( const Reference<XMultiServiceFactory> & xSMgr);
  40 /// @throws Exception
  41 Reference<XInterface> OleServer_CreateInstance( const Reference<XMultiServiceFactory> & xSMgr);
  42
  43 /*****************************************************************************
  44
  45     OneInstanceOleWrapper
  46
  47     Provides a single UNO object as OLE object.
  48
  49     Acts as a COM class factory. When IClassFactory::CreateInstance is being called
  50     then it maps the XInstance member it to a COM object.
  51
  52 *****************************************************************************/
  53
  54 class OneInstanceOleWrapper : public IClassFactory
  55 {
  56 public:
  57
  58     OneInstanceOleWrapper( const Reference<XMultiServiceFactory>& smgr,
  59                            std::function<const Reference<XInterface>()> xInstFunction );
  60     virtual ~OneInstanceOleWrapper();
  61
  62     bool registerClass(GUID const * pGuid);
  63     bool deregisterClass();
  64
  65     /* IUnknown methods */
  66     STDMETHOD(QueryInterface)(REFIID riid, void ** ppvObj) override;
  67     STDMETHOD_(ULONG, AddRef)() override;
  68     STDMETHOD_(ULONG, Release)() override;
  69
  70     /* IClassFactory methods */
  71     STDMETHOD(CreateInstance)(IUnknown* punkOuter, REFIID riid, void** ppv) override;
  72     STDMETHOD(LockServer)(BOOL fLock) override;
  73
  74 protected:
  75     oslInterlockedCount m_refCount;
  76     std::function<const Reference<XInterface>()> m_xInstFunction;
  77     DWORD               m_factoryHandle;
  78     Reference<XBridgeSupplier2> m_bridgeSupplier;
  79     Reference<XMultiServiceFactory> m_smgr;
  80 };
  81
  82 // Implementation of the UNO service com.sun.star.bridge.OleBridgeSupplier2.
  83
  84 // This class realizes the service com.sun.star.bridge.OleBridgeSupplier2 and
  85 // com.sun.star.bridge.OleBridgeSupplierVar1. The class implements XBridgeSupplier2 which
  86 // interface does not need a Machine Id in its createBridge function anymore,
  87 // If a UNO interface is to be converted then the member m_nUnoWrapperClass determines
  88 // what wrapper class is to be used. There are currently InterfaceOleWrapper and
  89 // UnoObjectWrapperRemoteOpt. The first is used for the OleBridgeSupplier2 and the
  90 // latter for OleBridgeSupplierVar1.
  91 // The m_nComWrapperClass specifies the class which is used as wrapper for COM interfaces.
  92 // Currently there is only one class available (IUnknownWrapper).
  93 class OleConverter : public WeakImplHelper<XBridgeSupplier2, XInitialization, css::lang::XServiceInfo>,
  94                             public UnoConversionUtilities<OleConverter>
  95 {
  96 public:
  97     explicit OleConverter( const Reference<XMultiServiceFactory>& smgr);
  98     OleConverter( const  Reference<XMultiServiceFactory>& smgr, sal_uInt8 unoWrapperClass, sal_uInt8 comWrapperClass );
  99     virtual ~OleConverter() override;
 100
 101     // XBridgeSupplier2 ---------------------------------------------------
 102
 103     Any SAL_CALL createBridge(const Any& modelDepObject,
 104                                 const Sequence<sal_Int8>& ProcessId,
 105                                 sal_Int16 sourceModelType,
 106                                 sal_Int16 destModelType) override;
 107
 108     // XInitialization
 109     void SAL_CALL initialize( const Sequence< Any >& aArguments ) override;
 110
 111     OUString SAL_CALL getImplementationName() override;
 112
 113     sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
 114
 115     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 116
 117     // UnoConversionUtilities
 118     Reference< XInterface > createUnoWrapperInstance() override;
 119     Reference< XInterface > createComWrapperInstance() override;
 120 protected:
 121
 122 };
 123
 124 // Implementation of the UNO service com.sun.star.bridge.OleObjectFactory.
 125
 126 class OleClient : public WeakImplHelper<XMultiServiceFactory, css::lang::XServiceInfo>,
 127                   public UnoConversionUtilities<OleClient>
 128 {
 129 public:
 130     explicit OleClient( const Reference<XMultiServiceFactory>& smgr);
 131     ~OleClient() override;
 132
 133     // XMultiServiceFactory
 134     Reference<XInterface> SAL_CALL createInstance(const OUString& ServiceSpecifier) override;
 135     Reference<XInterface> SAL_CALL createInstanceWithArguments(const OUString& ServiceSpecifier, const Sequence< Any >& Arguments) override;
 136     Sequence< OUString >    SAL_CALL getAvailableServiceNames() override;
 137
 138     OUString SAL_CALL getImplementationName() override;
 139
 140     sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
 141
 142     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 143
 144     // UnoConversionUtilities
 145     Reference< XInterface > createUnoWrapperInstance() override;
 146     Reference< XInterface > createComWrapperInstance() override;
 147
 148 protected:
 149     Reference<XBridgeSupplier2> m_bridgeSupplier;
 150 };
 151
 152 /*****************************************************************************
 153
 154     OleServer
 155
 156     Implementation of the UNO service com.sun.star.bridge.OleApplicationRegistration.
 157     Register the calling application as OLE automation server for
 158     standard OLE object. The objects will be registered while instantiating
 159     this implementation and deregistered, if this implementation is destroyed.
 160
 161 *****************************************************************************/
 162
 163 class OleServer : public cppu::WeakImplHelper<css::lang::XServiceInfo>
 164 {
 165 public:
 166     explicit OleServer( const Reference<XMultiServiceFactory> &smgr);
 167     ~OleServer() override;
 168
 169     OUString SAL_CALL getImplementationName() override;
 170
 171     sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
 172
 173     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 174
 175 protected:
 176     bool provideInstance(std::function<const Reference<XInterface>()> xInstFunction, GUID const * guid);
 177
 178     std::list< OneInstanceOleWrapper* > m_wrapperList;
 179     Reference< XBridgeSupplier2 >   m_bridgeSupplier;
 180
 181     Reference<XMultiServiceFactory> m_smgr;
 182 };
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */