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 #ifndef INCLUDED_COMPHELPER_SOURCE_MISC_INSTANCELOCKER_HXX 21 #define INCLUDED_COMPHELPER_SOURCE_MISC_INSTANCELOCKER_HXX 22 23 #include <com/sun/star/lang/XComponent.hpp> 24 #include <com/sun/star/util/XCloseListener.hpp> 25 #include <com/sun/star/frame/XTerminateListener.hpp> 26 #include <com/sun/star/lang/XInitialization.hpp> 27 #include <com/sun/star/lang/XServiceInfo.hpp> 28 #include <cppuhelper/weakref.hxx> 29 #include <osl/mutex.hxx> 30 #include <cppuhelper/implbase.hxx> 31 #include <rtl/ref.hxx> 32 #include <memory> 33 34 namespace com::sun::star::embed { class XActionsApproval; } 35 namespace comphelper { class OInterfaceContainerHelper2; } 36 37 38 class OLockListener; 39 40 // the service is implemented as a wrapper to be able to die by refcount 41 // the disposing mechanics is required for java related scenarios 42 class OInstanceLocker : public ::cppu::WeakImplHelper< css::lang::XComponent, 43 css::lang::XInitialization, 44 css::lang::XServiceInfo > 45 { 46 ::osl::Mutex m_aMutex; 47 48 rtl::Reference< OLockListener > m_xLockListener; 49 50 std::unique_ptr<::comphelper::OInterfaceContainerHelper2> m_pListenersContainer; // list of listeners 51 52 bool m_bDisposed; 53 bool m_bInitialized; 54 55 public: 56 explicit OInstanceLocker(); 57 virtual ~OInstanceLocker() override; 58 59 // XComponent 60 virtual void SAL_CALL dispose() override; 61 virtual void SAL_CALL addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override; 62 virtual void SAL_CALL removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override; 63 64 // XInitialization 65 virtual void SAL_CALL initialize( const css::uno::Sequence< css::uno::Any >& aArguments ) override; 66 67 // XServiceInfo 68 virtual OUString SAL_CALL getImplementationName( ) override; 69 virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; 70 virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override; 71 72 }; 73 74 75 class OLockListener : public ::cppu::WeakImplHelper< css::util::XCloseListener, 76 css::frame::XTerminateListener > 77 { 78 ::osl::Mutex m_aMutex; 79 css::uno::Reference< css::uno::XInterface > m_xInstance; 80 css::uno::Reference< css::embed::XActionsApproval > m_xApproval; 81 82 css::uno::WeakReference< css::lang::XComponent > m_xWrapper; 83 84 bool m_bDisposed; 85 bool m_bInitialized; 86 87 sal_Int32 m_nMode; 88 89 public: 90 OLockListener( const css::uno::WeakReference< css::lang::XComponent >& xWrapper, 91 const css::uno::Reference< css::uno::XInterface >& xInstance, 92 sal_Int32 nMode, 93 const css::uno::Reference< css::embed::XActionsApproval >& rApproval ); 94 95 virtual ~OLockListener() override; 96 97 void Init(); 98 void Dispose(); 99 100 // XEventListener 101 virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override; 102 103 // XCloseListener 104 virtual void SAL_CALL queryClosing( const css::lang::EventObject& Source, sal_Bool GetsOwnership ) override; 105 virtual void SAL_CALL notifyClosing( const css::lang::EventObject& Source ) override; 106 107 // XTerminateListener 108 virtual void SAL_CALL queryTermination( const css::lang::EventObject& Event ) override; 109 virtual void SAL_CALL notifyTermination( const css::lang::EventObject& Event ) override; 110 111 }; 112 113 #endif 114 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 116