617 lines
20 KiB
C++
617 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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/**************************************************************************
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TODO
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**************************************************************************
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*************************************************************************/
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#include "rtl/ustrbuf.hxx"
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#include "com/sun/star/container/XNameAccess.hpp"
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#include "com/sun/star/embed/XStorage.hpp"
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#include "comphelper/processfactory.hxx"
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#include "ucbhelper/contentidentifier.hxx"
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#include "tdoc_provider.hxx"
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#include "tdoc_content.hxx"
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#include "tdoc_uri.hxx"
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#include "tdoc_docmgr.hxx"
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#include "tdoc_storage.hxx"
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using namespace com::sun::star;
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using namespace tdoc_ucp;
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//=========================================================================
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//=========================================================================
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//
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// ContentProvider Implementation.
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//
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//=========================================================================
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//=========================================================================
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ContentProvider::ContentProvider(
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const uno::Reference< uno::XComponentContext >& rxContext )
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: ::ucbhelper::ContentProviderImplHelper( rxContext ),
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m_xDocsMgr( new OfficeDocumentsManager( rxContext, this ) ),
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m_xStgElemFac( new StorageElementFactory( rxContext, m_xDocsMgr ) )
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{
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}
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//=========================================================================
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// virtual
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ContentProvider::~ContentProvider()
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{
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if ( m_xDocsMgr.is() )
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m_xDocsMgr->destroy();
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}
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//=========================================================================
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//
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// XInterface methods.
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//
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//=========================================================================
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XINTERFACE_IMPL_4( ContentProvider,
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lang::XTypeProvider,
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lang::XServiceInfo,
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ucb::XContentProvider,
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frame::XTransientDocumentsDocumentContentFactory );
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//=========================================================================
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//
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// XTypeProvider methods.
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//
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//=========================================================================
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XTYPEPROVIDER_IMPL_4( ContentProvider,
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lang::XTypeProvider,
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lang::XServiceInfo,
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ucb::XContentProvider,
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frame::XTransientDocumentsDocumentContentFactory );
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//=========================================================================
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//
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// XServiceInfo methods.
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//
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//=========================================================================
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XSERVICEINFO_IMPL_1_CTX(
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ContentProvider,
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OUString( "com.sun.star.comp.ucb.TransientDocumentsContentProvider" ),
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OUString( TDOC_CONTENT_PROVIDER_SERVICE_NAME ) );
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//=========================================================================
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//
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// Service factory implementation.
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//
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//=========================================================================
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ONE_INSTANCE_SERVICE_FACTORY_IMPL( ContentProvider );
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//=========================================================================
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//
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// XContentProvider methods.
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//
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//=========================================================================
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// virtual
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uno::Reference< ucb::XContent > SAL_CALL
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ContentProvider::queryContent(
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const uno::Reference< ucb::XContentIdentifier >& Identifier )
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throw( ucb::IllegalIdentifierException, uno::RuntimeException )
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{
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Uri aUri( Identifier->getContentIdentifier() );
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if ( !aUri.isValid() )
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throw ucb::IllegalIdentifierException(
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rtl::OUString( "Invalid URL!" ),
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Identifier );
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// Normalize URI.
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uno::Reference< ucb::XContentIdentifier > xCanonicId
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= new ::ucbhelper::ContentIdentifier( aUri.getUri() );
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osl::MutexGuard aGuard( m_aMutex );
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// Check, if a content with given id already exists...
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uno::Reference< ucb::XContent > xContent
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= queryExistingContent( xCanonicId ).get();
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if ( !xContent.is() )
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{
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// Create a new content.
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xContent = Content::create( m_xContext, this, xCanonicId );
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registerNewContent( xContent );
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}
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return xContent;
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}
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//=========================================================================
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//
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// XTransientDocumentsDocumentContentFactory methods.
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//
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//=========================================================================
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// virtual
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uno::Reference< ucb::XContent > SAL_CALL
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ContentProvider::createDocumentContent(
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const uno::Reference< frame::XModel >& Model )
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throw ( lang::IllegalArgumentException, uno::RuntimeException )
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{
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// model -> id -> content identifier -> queryContent
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if ( m_xDocsMgr.is() )
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{
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rtl::OUString aDocId = m_xDocsMgr->queryDocumentId( Model );
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if ( !aDocId.isEmpty() )
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{
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rtl::OUStringBuffer aBuffer;
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aBuffer.appendAscii( TDOC_URL_SCHEME ":/" );
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aBuffer.append( aDocId );
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uno::Reference< ucb::XContentIdentifier > xId
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= new ::ucbhelper::ContentIdentifier( aBuffer.makeStringAndClear() );
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osl::MutexGuard aGuard( m_aMutex );
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// Check, if a content with given id already exists...
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uno::Reference< ucb::XContent > xContent
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= queryExistingContent( xId ).get();
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if ( !xContent.is() )
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{
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// Create a new content.
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xContent = Content::create( m_xContext, this, xId );
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}
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if ( xContent.is() )
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return xContent;
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// no content.
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throw lang::IllegalArgumentException(
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rtl::OUString(
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"Illegal Content Identifier!" ),
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static_cast< cppu::OWeakObject * >( this ),
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1 );
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}
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else
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{
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throw lang::IllegalArgumentException(
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rtl::OUString(
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"Unable to obtain document id from model!" ),
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static_cast< cppu::OWeakObject * >( this ),
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1 );
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}
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}
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else
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{
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throw lang::IllegalArgumentException(
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rtl::OUString(
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"No Document Manager!" ),
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static_cast< cppu::OWeakObject * >( this ),
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1 );
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}
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}
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//=========================================================================
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//
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// interface OfficeDocumentsEventListener
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//
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//=========================================================================
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// virtual
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void ContentProvider::notifyDocumentClosed( const rtl::OUString & rDocId )
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{
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osl::MutexGuard aGuard( getContentListMutex() );
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::ucbhelper::ContentRefList aAllContents;
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queryExistingContents( aAllContents );
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::ucbhelper::ContentRefList::const_iterator it = aAllContents.begin();
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::ucbhelper::ContentRefList::const_iterator end = aAllContents.end();
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// Notify all content objects related to the closed doc.
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bool bFoundDocumentContent = false;
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rtl::Reference< Content > xRoot;
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while ( it != end )
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{
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Uri aUri( (*it)->getIdentifier()->getContentIdentifier() );
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OSL_ENSURE( aUri.isValid(),
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"ContentProvider::notifyDocumentClosed - Invalid URI!" );
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if ( !bFoundDocumentContent )
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{
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if ( aUri.isRoot() )
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{
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xRoot = static_cast< Content * >( (*it).get() );
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}
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else if ( aUri.isDocument() )
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{
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if ( aUri.getDocumentId() == rDocId )
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{
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bFoundDocumentContent = true;
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// document content will notify removal of child itself;
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// no need for the root to propagate this.
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xRoot.clear();
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}
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}
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}
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if ( aUri.getDocumentId() == rDocId )
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{
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// Inform content.
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rtl::Reference< Content > xContent
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= static_cast< Content * >( (*it).get() );
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xContent->notifyDocumentClosed();
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}
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++it;
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}
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if ( xRoot.is() )
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{
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// No document content found for rDocId but root content
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// instanciated. Root content must announce document removal
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// to content event listeners.
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xRoot->notifyChildRemoved( rDocId );
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}
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}
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//=========================================================================
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// virtual
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void ContentProvider::notifyDocumentOpened( const rtl::OUString & rDocId )
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{
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osl::MutexGuard aGuard( getContentListMutex() );
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::ucbhelper::ContentRefList aAllContents;
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queryExistingContents( aAllContents );
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::ucbhelper::ContentRefList::const_iterator it = aAllContents.begin();
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::ucbhelper::ContentRefList::const_iterator end = aAllContents.end();
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// Find root content. If instanciated let it propagate document insertion.
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while ( it != end )
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{
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Uri aUri( (*it)->getIdentifier()->getContentIdentifier() );
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OSL_ENSURE( aUri.isValid(),
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"ContentProvider::notifyDocumentOpened - Invalid URI!" );
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if ( aUri.isRoot() )
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{
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rtl::Reference< Content > xRoot
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= static_cast< Content * >( (*it).get() );
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xRoot->notifyChildInserted( rDocId );
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// Done.
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break;
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}
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++it;
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}
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}
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//=========================================================================
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//
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// Non-UNO
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//
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//=========================================================================
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uno::Reference< embed::XStorage >
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ContentProvider::queryStorage( const rtl::OUString & rUri,
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StorageAccessMode eMode ) const
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{
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if ( m_xStgElemFac.is() )
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{
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try
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{
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return m_xStgElemFac->createStorage( rUri, eMode );
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}
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catch ( embed::InvalidStorageException const & )
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{
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OSL_FAIL( "Caught InvalidStorageException!" );
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}
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catch ( lang::IllegalArgumentException const & )
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{
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OSL_FAIL( "Caught IllegalArgumentException!" );
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}
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catch ( io::IOException const & )
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{
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// Okay to happen, for instance when the storage does not exist.
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//OSL_ENSURE( false, "Caught IOException!" );
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}
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catch ( embed::StorageWrappedTargetException const & )
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{
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OSL_FAIL( "Caught embed::StorageWrappedTargetException!" );
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}
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}
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return uno::Reference< embed::XStorage >();
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}
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//=========================================================================
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uno::Reference< embed::XStorage >
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ContentProvider::queryStorageClone( const rtl::OUString & rUri ) const
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{
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if ( m_xStgElemFac.is() )
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{
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try
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{
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Uri aUri( rUri );
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uno::Reference< embed::XStorage > xParentStorage
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= m_xStgElemFac->createStorage( aUri.getParentUri(), READ );
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uno::Reference< embed::XStorage > xStorage
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= m_xStgElemFac->createTemporaryStorage();
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xParentStorage->copyStorageElementLastCommitTo(
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aUri.getDecodedName(), xStorage );
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return xStorage;
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}
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catch ( embed::InvalidStorageException const & )
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{
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OSL_FAIL( "Caught InvalidStorageException!" );
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}
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catch ( lang::IllegalArgumentException const & )
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{
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OSL_FAIL( "Caught IllegalArgumentException!" );
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}
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catch ( io::IOException const & )
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{
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// Okay to happen, for instance when the storage does not exist.
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//OSL_ENSURE( false, "Caught IOException!" );
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}
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catch ( embed::StorageWrappedTargetException const & )
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{
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OSL_FAIL( "Caught embed::StorageWrappedTargetException!" );
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}
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}
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return uno::Reference< embed::XStorage >();
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}
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//=========================================================================
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uno::Reference< io::XInputStream >
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ContentProvider::queryInputStream( const rtl::OUString & rUri,
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const rtl::OUString & rPassword ) const
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throw ( packages::WrongPasswordException )
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{
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if ( m_xStgElemFac.is() )
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{
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try
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{
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return m_xStgElemFac->createInputStream( rUri, rPassword );
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}
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catch ( embed::InvalidStorageException const & )
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{
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OSL_FAIL( "Caught InvalidStorageException!" );
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}
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catch ( lang::IllegalArgumentException const & )
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{
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OSL_FAIL( "Caught IllegalArgumentException!" );
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}
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catch ( io::IOException const & )
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{
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OSL_FAIL( "Caught IOException!" );
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}
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catch ( embed::StorageWrappedTargetException const & )
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{
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OSL_FAIL( "Caught embed::StorageWrappedTargetException!" );
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}
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// catch ( packages::WrongPasswordException const & )
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// {
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// // the key provided is wrong; rethrow; to be handled by caller.
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// throw;
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// }
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}
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return uno::Reference< io::XInputStream >();
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}
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//=========================================================================
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uno::Reference< io::XOutputStream >
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ContentProvider::queryOutputStream( const rtl::OUString & rUri,
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const rtl::OUString & rPassword,
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bool bTruncate ) const
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throw ( packages::WrongPasswordException )
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{
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if ( m_xStgElemFac.is() )
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{
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try
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{
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return
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m_xStgElemFac->createOutputStream( rUri, rPassword, bTruncate );
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}
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catch ( embed::InvalidStorageException const & )
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{
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OSL_FAIL( "Caught InvalidStorageException!" );
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}
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catch ( lang::IllegalArgumentException const & )
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{
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OSL_FAIL( "Caught IllegalArgumentException!" );
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}
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catch ( io::IOException const & )
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{
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// Okay to happen, for instance when the storage does not exist.
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//OSL_ENSURE( false, "Caught IOException!" );
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}
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catch ( embed::StorageWrappedTargetException const & )
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{
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OSL_FAIL( "Caught embed::StorageWrappedTargetException!" );
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}
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// catch ( packages::WrongPasswordException const & )
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// {
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// // the key provided is wrong; rethrow; to be handled by caller.
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// throw;
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// }
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}
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return uno::Reference< io::XOutputStream >();
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}
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//=========================================================================
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uno::Reference< io::XStream >
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ContentProvider::queryStream( const rtl::OUString & rUri,
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const rtl::OUString & rPassword,
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bool bTruncate ) const
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throw ( packages::WrongPasswordException )
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{
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if ( m_xStgElemFac.is() )
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{
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try
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{
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return m_xStgElemFac->createStream( rUri, rPassword, bTruncate );
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}
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catch ( embed::InvalidStorageException const & )
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{
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OSL_FAIL( "Caught InvalidStorageException!" );
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}
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catch ( lang::IllegalArgumentException const & )
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{
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OSL_FAIL( "Caught IllegalArgumentException!" );
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}
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catch ( io::IOException const & )
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{
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// Okay to happen, for instance when the storage does not exist.
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//OSL_ENSURE( false, "Caught IOException!" );
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}
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catch ( embed::StorageWrappedTargetException const & )
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{
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OSL_FAIL( "Caught embed::StorageWrappedTargetException!" );
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}
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// catch ( packages::WrongPasswordException const & )
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// {
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// // the key provided is wrong; rethrow; to be handled by caller.
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// throw;
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// }
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}
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return uno::Reference< io::XStream >();
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}
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//=========================================================================
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bool ContentProvider::queryNamesOfChildren(
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const rtl::OUString & rUri, uno::Sequence< rtl::OUString > & rNames ) const
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{
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Uri aUri( rUri );
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if ( aUri.isRoot() )
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{
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// special handling for root, which has no storage, but children.
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if ( m_xDocsMgr.is() )
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{
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rNames = m_xDocsMgr->queryDocuments();
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return true;
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}
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}
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else
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{
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if ( m_xStgElemFac.is() )
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{
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try
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{
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uno::Reference< embed::XStorage > xStorage
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= m_xStgElemFac->createStorage( rUri, READ );
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OSL_ENSURE( xStorage.is(), "Got no Storage!" );
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if ( xStorage.is() )
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{
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uno::Reference< container::XNameAccess > xNA(
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xStorage, uno::UNO_QUERY );
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OSL_ENSURE( xNA.is(), "Got no css.container.XNameAccess!" );
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if ( xNA.is() )
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{
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rNames = xNA->getElementNames();
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return true;
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}
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}
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}
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catch ( embed::InvalidStorageException const & )
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{
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OSL_FAIL( "Caught InvalidStorageException!" );
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}
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catch ( lang::IllegalArgumentException const & )
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{
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OSL_FAIL( "Caught IllegalArgumentException!" );
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}
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catch ( io::IOException const & )
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{
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// Okay to happen, for instance if the storage does not exist.
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//OSL_ENSURE( false, "Caught IOException!" );
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}
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catch ( embed::StorageWrappedTargetException const & )
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{
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OSL_FAIL( "Caught embed::StorageWrappedTargetException!" );
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}
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}
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}
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return false;
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}
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//=========================================================================
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rtl::OUString
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ContentProvider::queryStorageTitle( const rtl::OUString & rUri ) const
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{
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rtl::OUString aTitle;
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Uri aUri( rUri );
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if ( aUri.isRoot() )
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{
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// always empty.
|
|
aTitle = rtl::OUString();
|
|
}
|
|
else if ( aUri.isDocument() )
|
|
{
|
|
// for documents, title shall not be derived from URL. It shall
|
|
// be somethimg more 'speaking' than just the document UID.
|
|
if ( m_xDocsMgr.is() )
|
|
aTitle = m_xDocsMgr->queryStorageTitle( aUri.getDocumentId() );
|
|
}
|
|
else
|
|
{
|
|
// derive title from URL
|
|
aTitle = aUri.getDecodedName();
|
|
}
|
|
|
|
OSL_ENSURE( !aTitle.isEmpty() || aUri.isRoot(),
|
|
"ContentProvider::queryStorageTitle - empty title!" );
|
|
return aTitle;
|
|
}
|
|
|
|
//=========================================================================
|
|
uno::Reference< frame::XModel >
|
|
ContentProvider::queryDocumentModel( const rtl::OUString & rUri ) const
|
|
{
|
|
uno::Reference< frame::XModel > xModel;
|
|
|
|
if ( m_xDocsMgr.is() )
|
|
{
|
|
Uri aUri( rUri );
|
|
xModel = m_xDocsMgr->queryDocumentModel( aUri.getDocumentId() );
|
|
}
|
|
|
|
OSL_ENSURE( xModel.is(),
|
|
"ContentProvider::queryDocumentModel - no model!" );
|
|
return xModel;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|