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/* -*- 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: */
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