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| -rw-r--r-- | forms/source/inc/InterfaceContainer.hxx | 301 |
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diff --git a/forms/source/inc/InterfaceContainer.hxx b/forms/source/inc/InterfaceContainer.hxx new file mode 100644 index 000000000..66135a02e --- /dev/null +++ b/forms/source/inc/InterfaceContainer.hxx @@ -0,0 +1,301 @@ +/* -*- 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 <comphelper/uno3.hxx> +#include <com/sun/star/container/XNameContainer.hpp> +#include <com/sun/star/lang/EventObject.hpp> +#include <com/sun/star/container/XEnumerationAccess.hpp> +#include <com/sun/star/io/XPersistObject.hpp> +#include <com/sun/star/beans/XPropertyChangeListener.hpp> +#include <com/sun/star/beans/PropertyChangeEvent.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/script/XEventAttacherManager.hpp> +#include <com/sun/star/script/ScriptEventDescriptor.hpp> +#include <com/sun/star/container/XContainer.hpp> +#include <com/sun/star/container/XIndexContainer.hpp> +#include <com/sun/star/form/XFormComponent.hpp> +#include <com/sun/star/util/XCloneable.hpp> +#include <osl/mutex.hxx> +#include <comphelper/interfacecontainer3.hxx> +#include <cppuhelper/component.hxx> +#include <cppuhelper/implbase1.hxx> +#include <cppuhelper/implbase8.hxx> +#include <unordered_map> + +namespace com::sun::star::uno { class XComponentContext; } + +using namespace comphelper; + + +namespace frm +{ + + + struct ElementDescription + { + public: + css::uno::Reference< css::uno::XInterface > xInterface; + css::uno::Reference< css::beans::XPropertySet > xPropertySet; + css::uno::Reference< css::container::XChild > xChild; + css::uno::Any aElementTypeInterface; + + public: + ElementDescription( ); + + private: + ElementDescription( const ElementDescription& ) = delete; + ElementDescription& operator=( const ElementDescription& ) = delete; + }; + +typedef std::vector<css::uno::Reference<css::uno::XInterface>> OInterfaceArray; +typedef std::unordered_multimap< OUString, css::uno::Reference<css::uno::XInterface> > OInterfaceMap; + + +// OInterfaceContainer +// implements a container for form components + +typedef ::cppu::ImplHelper8 < css::container::XNameContainer + , css::container::XIndexContainer + , css::container::XContainer + , css::container::XEnumerationAccess + , css::script::XEventAttacherManager + , css::beans::XPropertyChangeListener + , css::io::XPersistObject + , css::util::XCloneable + > OInterfaceContainer_BASE; + +class OInterfaceContainer : public OInterfaceContainer_BASE +{ +protected: + ::osl::Mutex& m_rMutex; + + OInterfaceArray m_aItems; + OInterfaceMap m_aMap; + ::comphelper::OInterfaceContainerHelper3<css::container::XContainerListener> m_aContainerListeners; + + const css::uno::Type m_aElementType; + + css::uno::Reference< css::uno::XComponentContext> m_xContext; + + + // EventManager + css::uno::Reference< css::script::XEventAttacherManager> m_xEventAttacher; + +public: + OInterfaceContainer( + const css::uno::Reference< css::uno::XComponentContext>& _rxFactory, + ::osl::Mutex& _rMutex, + const css::uno::Type& _rElementType); + + OInterfaceContainer( ::osl::Mutex& _rMutex, const OInterfaceContainer& _cloneSource ); + + // late constructor for cloning + /// @throws css::uno::RuntimeException + void clonedFrom(const OInterfaceContainer& _cloneSource); + +protected: + virtual ~OInterfaceContainer(); + +public: +// css::io::XPersistObject + virtual OUString SAL_CALL getServiceName( ) override = 0; + virtual void SAL_CALL write( const css::uno::Reference< css::io::XObjectOutputStream >& OutStream ) override; + virtual void SAL_CALL read( const css::uno::Reference< css::io::XObjectInputStream >& InStream ) override; + +// css::lang::XEventListener + virtual void SAL_CALL disposing(const css::lang::EventObject& _rSource) override; + +// css::beans::XPropertyChangeListener + virtual void SAL_CALL propertyChange(const css::beans::PropertyChangeEvent& evt) override; + +// css::container::XElementAccess + virtual css::uno::Type SAL_CALL getElementType() override ; + virtual sal_Bool SAL_CALL hasElements() override; + +// css::container::XEnumerationAccess + virtual css::uno::Reference< css::container::XEnumeration> SAL_CALL createEnumeration() override; + +// css::container::XNameAccess + virtual css::uno::Any SAL_CALL getByName( const OUString& aName ) override; + virtual css::uno::Sequence<OUString> SAL_CALL getElementNames( ) override; + virtual sal_Bool SAL_CALL hasByName( const OUString& aName ) override; + +// css::container::XNameReplace + virtual void SAL_CALL replaceByName(const OUString& Name, const css::uno::Any& _rElement) override; + +// css::container::XNameContainer + virtual void SAL_CALL insertByName(const OUString& Name, const css::uno::Any& _rElement) override; + virtual void SAL_CALL removeByName(const OUString& Name) override; + +// css::container::XIndexAccess + virtual sal_Int32 SAL_CALL getCount() override; + virtual css::uno::Any SAL_CALL getByIndex(sal_Int32 _nIndex) override; + +// css::container::XIndexReplace + virtual void SAL_CALL replaceByIndex(sal_Int32 _nIndex, const css::uno::Any& _rElement) override; + +// css::container::XIndexContainer + virtual void SAL_CALL insertByIndex(sal_Int32 _nIndex, const css::uno::Any& Element) override; + virtual void SAL_CALL removeByIndex(sal_Int32 _nIndex) override; + +// css::container::XContainer + virtual void SAL_CALL addContainerListener(const css::uno::Reference< css::container::XContainerListener>& _rxListener) override; + virtual void SAL_CALL removeContainerListener(const css::uno::Reference< css::container::XContainerListener>& _rxListener) override; + +// css::script::XEventAttacherManager + virtual void SAL_CALL registerScriptEvent( sal_Int32 nIndex, const css::script::ScriptEventDescriptor& aScriptEvent ) override; + virtual void SAL_CALL registerScriptEvents( sal_Int32 nIndex, const css::uno::Sequence< css::script::ScriptEventDescriptor >& aScriptEvents ) override; + virtual void SAL_CALL revokeScriptEvent( sal_Int32 nIndex, const OUString& aListenerType, const OUString& aEventMethod, const OUString& aRemoveListenerParam ) override; + virtual void SAL_CALL revokeScriptEvents( sal_Int32 nIndex ) override; + virtual void SAL_CALL insertEntry( sal_Int32 nIndex ) override; + virtual void SAL_CALL removeEntry( sal_Int32 nIndex ) override; + virtual css::uno::Sequence< css::script::ScriptEventDescriptor > SAL_CALL getScriptEvents( sal_Int32 Index ) override; + virtual void SAL_CALL attach( sal_Int32 nIndex, const css::uno::Reference< css::uno::XInterface >& xObject, const css::uno::Any& aHelper ) override; + virtual void SAL_CALL detach( sal_Int32 nIndex, const css::uno::Reference< css::uno::XInterface >& xObject ) override; + virtual void SAL_CALL addScriptListener( const css::uno::Reference< css::script::XScriptListener >& xListener ) override; + virtual void SAL_CALL removeScriptListener( const css::uno::Reference< css::script::XScriptListener >& Listener ) override; + +protected: + // helper + virtual void SAL_CALL disposing(); + void removeElementsNoEvents(); + + /** to be overridden if elements which are to be inserted into the container shall be checked + + <p>the ElementDescription given can be used to cache information about the object - it will be passed + later on to implInserted/implReplaced.</p> + */ + virtual void approveNewElement( + const css::uno::Reference< css::beans::XPropertySet >& _rxObject, + ElementDescription* _pElement + ); + + virtual ElementDescription* createElementMetaData( ); + + /** inserts an object into our internal structures + + @param _nIndex + the index at which position it should be inserted + @param _bEvents + if <TRUE/>, event knittings will be done + @param _pApprovalResult + must contain the result of an approveNewElement call. Can be <NULL/>, in this case, the approval + is done within implInsert. + @param _bFire + if <TRUE/>, a notification about the insertion will be fired + @throws css::lang::IllegalArgumentException + */ + void implInsert( + sal_Int32 _nIndex, + const css::uno::Reference< css::beans::XPropertySet >& _rxObject, + bool _bEvents /* = sal_True */, + ElementDescription* _pApprovalResult /* = NULL */ , + bool _bFire /* = sal_True */ + ); + + // called after the object is inserted, but before the "real listeners" are notified + virtual void implInserted( const ElementDescription* _pElement ); + // called after the object is removed, but before the "real listeners" are notified + virtual void implRemoved(const css::uno::Reference<css::uno::XInterface>& _rxObject); + + /** called after an object was replaced. The default implementation notifies our listeners, after releasing + the instance lock. + */ + virtual void impl_replacedElement( + const css::container::ContainerEvent& _rEvent, + ::osl::ClearableMutexGuard& _rInstanceLock + ); + + void SAL_CALL writeEvents(const css::uno::Reference< css::io::XObjectOutputStream>& _rxOutStream); + void SAL_CALL readEvents(const css::uno::Reference< css::io::XObjectInputStream>& _rxInStream); + + /** replace an element, specified by position + + @precond <arg>_nIndex</arg> is a valid index + @precond our mutex is locked exactly once, by the guard specified with <arg>_rClearBeforeNotify</arg> + + */ + void implReplaceByIndex( + const sal_Int32 _nIndex, + const css::uno::Any& _rNewElement, + ::osl::ClearableMutexGuard& _rClearBeforeNotify + ); + + /** removes an element, specified by position + + @precond <arg>_nIndex</arg> is a valid index + @precond our mutex is locked exactly once, by the guard specified with <arg>_rClearBeforeNotify</arg> + + */ + void implRemoveByIndex( + const sal_Int32 _nIndex, + ::osl::ClearableMutexGuard& _rClearBeforeNotify + ); + + /** validates the given index + @throws css::lang::IndexOutOfBoundsException + if the given index does not denote a valid position in our children array + */ + void implCheckIndex( const sal_Int32 _nIndex ); + +private: + // hack for Vba Events + void impl_addVbEvents_nolck_nothrow( const sal_Int32 i_nIndex ); + + void transformEvents(); + + void impl_createEventAttacher_nothrow(); +}; + +typedef ::cppu::ImplHelper1< css::form::XFormComponent> OFormComponents_BASE; +class OFormComponents :public ::cppu::OComponentHelper + ,public OInterfaceContainer + ,public OFormComponents_BASE +{ +protected: + ::osl::Mutex m_aMutex; + css::uno::Reference<css::uno::XInterface> m_xParent; + +public: + OFormComponents(const css::uno::Reference< css::uno::XComponentContext>& _rxFactory); + OFormComponents( const OFormComponents& _cloneSource ); + virtual ~OFormComponents() override; + + DECLARE_UNO3_AGG_DEFAULTS(OFormComponents, ::cppu::OComponentHelper) + + virtual css::uno::Any SAL_CALL queryAggregation(const css::uno::Type& _rType) override; + virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes( ) override; + +// OComponentHelper + virtual void SAL_CALL disposing() override; + +// css::form::XFormComponent + virtual css::uno::Reference<css::uno::XInterface> SAL_CALL getParent() override; + virtual void SAL_CALL setParent(const css::uno::Reference<css::uno::XInterface>& Parent) override; + + // XEventListener + using OInterfaceContainer::disposing; +}; + +} // namespace frm + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |