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Diffstat (limited to 'ucb/source/ucp/tdoc/tdoc_stgelems.hxx')
| -rw-r--r-- | ucb/source/ucp/tdoc/tdoc_stgelems.hxx | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/ucb/source/ucp/tdoc/tdoc_stgelems.hxx b/ucb/source/ucp/tdoc/tdoc_stgelems.hxx new file mode 100644 index 000000000..4842a3711 --- /dev/null +++ b/ucb/source/ucp/tdoc/tdoc_stgelems.hxx @@ -0,0 +1,336 @@ +/* -*- 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 <rtl/ref.hxx> + +#include <cppuhelper/implbase.hxx> + +#include <com/sun/star/embed/XStorage.hpp> +#include <com/sun/star/embed/XTransactedObject.hpp> +#include <com/sun/star/io/XOutputStream.hpp> +#include <com/sun/star/io/XStream.hpp> +#include <com/sun/star/io/XTruncate.hpp> +#include <com/sun/star/lang/XComponent.hpp> +#include <com/sun/star/uno/XAggregation.hpp> + +#include "tdoc_storage.hxx" + +#include <mutex> + +namespace tdoc_ucp { + +class ParentStorageHolder +{ +public: + ParentStorageHolder( + const css::uno::Reference< css::embed::XStorage > & xParentStorage, + const OUString & rUri ); + + bool isParentARootStorage() const + { return m_bParentIsRootStorage; } + const css::uno::Reference< css::embed::XStorage >& + getParentStorage() const + { return m_xParentStorage; } + void setParentStorage( const css::uno::Reference< css::embed::XStorage > & xStg ) + { + std::scoped_lock aGuard( m_aMutex ); + m_xParentStorage = xStg; + } + +private: + std::mutex m_aMutex; + css::uno::Reference< css::embed::XStorage > m_xParentStorage; + bool m_bParentIsRootStorage; +}; + + +typedef + cppu::WeakImplHelper< + css::embed::XStorage, + css::embed::XTransactedObject > StorageUNOBase; + +class Storage : public StorageUNOBase, public ParentStorageHolder +{ +public: + Storage( + const css::uno::Reference< css::uno::XComponentContext > & rxContext, + const rtl::Reference< StorageElementFactory > & xFactory, + const OUString & rUri, + const css::uno::Reference< css::embed::XStorage > & xParentStorage, + const css::uno::Reference< css::embed::XStorage > & xStorageToWrap ); + virtual ~Storage() override; + + // XInterface + virtual css::uno::Any SAL_CALL queryInterface( + const css::uno::Type& aType ) override; + virtual void SAL_CALL acquire() + noexcept override; + virtual void SAL_CALL release() + noexcept override; + + // XTypeProvider (implemented by base, but needs to be overridden for + // delegating to aggregate) + virtual css::uno::Sequence< css::uno::Type > SAL_CALL + getTypes() override; + virtual css::uno::Sequence< sal_Int8 > SAL_CALL + getImplementationId() override; + + // XComponent ( one of XStorage bases ) + virtual void SAL_CALL + dispose() override; + virtual void SAL_CALL + addEventListener( const css::uno::Reference< css::lang::XEventListener > & xListener ) override; + virtual void SAL_CALL + removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override; + + // XNameAccess ( one of XStorage bases ) + 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; + + // XElementAccess (base of XNameAccess) + virtual css::uno::Type SAL_CALL + getElementType() override; + virtual sal_Bool SAL_CALL + hasElements() override; + + // XStorage + virtual void SAL_CALL + copyToStorage( const css::uno::Reference< css::embed::XStorage >& xDest ) override; + virtual css::uno::Reference< css::io::XStream > SAL_CALL + openStreamElement( const OUString& aStreamName, + sal_Int32 nOpenMode ) override; + virtual css::uno::Reference< css::io::XStream > SAL_CALL + openEncryptedStreamElement( const OUString& aStreamName, + sal_Int32 nOpenMode, + const OUString& aPassword ) override; + virtual css::uno::Reference< css::embed::XStorage > SAL_CALL + openStorageElement( const OUString& aStorName, + sal_Int32 nOpenMode ) override; + virtual css::uno::Reference< css::io::XStream > SAL_CALL + cloneStreamElement( const OUString& aStreamName ) override; + virtual css::uno::Reference< css::io::XStream > SAL_CALL + cloneEncryptedStreamElement( const OUString& aStreamName, + const OUString& aPassword ) override; + virtual void SAL_CALL + copyLastCommitTo( const css::uno::Reference< + css::embed::XStorage >& xTargetStorage ) override; + virtual void SAL_CALL + copyStorageElementLastCommitTo( const OUString& aStorName, + const css::uno::Reference< + css::embed::XStorage > & + xTargetStorage ) override; + virtual sal_Bool SAL_CALL + isStreamElement( const OUString& aElementName ) override; + virtual sal_Bool SAL_CALL + isStorageElement( const OUString& aElementName ) override; + virtual void SAL_CALL + removeElement( const OUString& aElementName ) override; + virtual void SAL_CALL + renameElement( const OUString& aEleName, + const OUString& aNewName ) override; + virtual void SAL_CALL + copyElementTo( const OUString& aElementName, + const css::uno::Reference< css::embed::XStorage >& xDest, + const OUString& aNewName ) override; + virtual void SAL_CALL + moveElementTo( const OUString& aElementName, + const css::uno::Reference< css::embed::XStorage >& xDest, + const OUString& rNewName ) override; + + // XTransactedObject + virtual void SAL_CALL commit() override; + virtual void SAL_CALL revert() override; + +private: + rtl::Reference< StorageElementFactory > m_xFactory; + css::uno::Reference< css::uno::XAggregation > m_xAggProxy; + css::uno::Reference< css::embed::XStorage > m_xWrappedStorage; + css::uno::Reference< css::embed::XTransactedObject > m_xWrappedTransObj; + css::uno::Reference< css::lang::XComponent > m_xWrappedComponent; + css::uno::Reference< css::lang::XTypeProvider > m_xWrappedTypeProv; + bool m_bIsDocumentStorage; + + StorageElementFactory::StorageMap::iterator m_aContainerIt; + + friend class StorageElementFactory; +}; + + +typedef + cppu::WeakImplHelper< + css::io::XOutputStream, + css::lang::XComponent > OutputStreamUNOBase; + +class OutputStream : public OutputStreamUNOBase, public ParentStorageHolder +{ +public: + OutputStream( + const css::uno::Reference< css::uno::XComponentContext > & rxContext, + const OUString & rUri, + const css::uno::Reference< css::embed::XStorage > & xParentStorage, + const css::uno::Reference< css::io::XOutputStream > & xStreamToWrap ); + virtual ~OutputStream() override; + + // XInterface + virtual css::uno::Any SAL_CALL + queryInterface( const css::uno::Type& aType ) override; + + // XTypeProvider (implemented by base, but needs to be overridden for + // delegating to aggregate) + virtual css::uno::Sequence< css::uno::Type > SAL_CALL + getTypes() override; + virtual css::uno::Sequence< sal_Int8 > SAL_CALL + getImplementationId() override; + + // XOutputStream + virtual void SAL_CALL + writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override; + virtual void SAL_CALL + flush( ) override; + // Note: We need to intercept this one. + virtual void SAL_CALL + closeOutput( ) override; + + // XComponent + // Note: We need to intercept this one. + virtual void SAL_CALL + dispose() override; + virtual void SAL_CALL + addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override; + virtual void SAL_CALL + removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override; + +private: + css::uno::Reference< + css::uno::XAggregation > m_xAggProxy; + css::uno::Reference< + css::io::XOutputStream > m_xWrappedStream; + css::uno::Reference< + css::lang::XComponent > m_xWrappedComponent; + css::uno::Reference< + css::lang::XTypeProvider > m_xWrappedTypeProv; +}; + + +typedef cppu::WeakImplHelper< css::io::XStream, + css::io::XOutputStream, + css::io::XTruncate, + css::io::XInputStream, + css::lang::XComponent > + StreamUNOBase; + +class Stream : public StreamUNOBase, public ParentStorageHolder +{ +public: + Stream( + const css::uno::Reference< css::uno::XComponentContext > & rxContext, + const OUString & rUri, + const css::uno::Reference< css::embed::XStorage > & xParentStorage, + const css::uno::Reference< css::io::XStream > & xStreamToWrap ); + + virtual ~Stream() override; + + // XInterface + virtual css::uno::Any SAL_CALL + queryInterface( const css::uno::Type& aType ) override; + + // XTypeProvider (implemented by base, but needs to be overridden for + // delegating to aggregate) + virtual css::uno::Sequence< css::uno::Type > SAL_CALL + getTypes() override; + virtual css::uno::Sequence< sal_Int8 > SAL_CALL + getImplementationId() override; + + // XStream + virtual css::uno::Reference< css::io::XInputStream > SAL_CALL + getInputStream() override; + + virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL + getOutputStream() override; + + // XOutputStream + virtual void SAL_CALL + writeBytes( const css::uno::Sequence< sal_Int8 >& aData ) override; + + virtual void SAL_CALL + flush() override; + + virtual void SAL_CALL + closeOutput() override; + + // XTruncate + virtual void SAL_CALL + truncate() override; + + // XInputStream + virtual sal_Int32 SAL_CALL + readBytes( css::uno::Sequence< sal_Int8 >& aData, + sal_Int32 nBytesToRead ) override; + + virtual sal_Int32 SAL_CALL + readSomeBytes( css::uno::Sequence< sal_Int8 >& aData, + sal_Int32 nMaxBytesToRead ) override; + + virtual void SAL_CALL + skipBytes( sal_Int32 nBytesToSkip ) override; + + virtual sal_Int32 SAL_CALL + available() override; + + virtual void SAL_CALL + closeInput() override; + + // XComponent + // Note: We need to intercept this one. + virtual void SAL_CALL + dispose() override; + virtual void SAL_CALL + addEventListener( const css::uno::Reference< css::lang::XEventListener >& xListener ) override; + virtual void SAL_CALL + removeEventListener( const css::uno::Reference< css::lang::XEventListener >& aListener ) override; + +private: + /// @throws css::io::IOException + void commitChanges(); + + css::uno::Reference< + css::uno::XAggregation > m_xAggProxy; + css::uno::Reference< + css::io::XStream > m_xWrappedStream; + css::uno::Reference< + css::io::XOutputStream > m_xWrappedOutputStream; + css::uno::Reference< + css::io::XTruncate > m_xWrappedTruncate; + css::uno::Reference< + css::io::XInputStream > m_xWrappedInputStream; + css::uno::Reference< + css::lang::XComponent > m_xWrappedComponent; + css::uno::Reference< + css::lang::XTypeProvider > m_xWrappedTypeProv; +}; + +} // namespace tdoc_ucp + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |