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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /sfx2/source/appl/fileobj.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--sfx2/source/appl/fileobj.cxx435
1 files changed, 435 insertions, 0 deletions
diff --git a/sfx2/source/appl/fileobj.cxx b/sfx2/source/appl/fileobj.cxx
new file mode 100644
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+++ b/sfx2/source/appl/fileobj.cxx
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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 .
+ */
+
+#include <tools/urlobj.hxx>
+#include <tools/stream.hxx>
+#include <sot/formats.hxx>
+#include <sal/log.hxx>
+#include <sfx2/lnkbase.hxx>
+#include <sfx2/filedlghelper.hxx>
+#include <sot/exchange.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <sfx2/docfac.hxx>
+#include <com/sun/star/document/XTypeDetection.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <unotools/mediadescriptor.hxx>
+#include <comphelper/processfactory.hxx>
+#include <sfx2/linkmgr.hxx>
+#include <sfx2/opengrf.hxx>
+#include <sfx2/sfxresid.hxx>
+#include <sfx2/objsh.hxx>
+#include "fileobj.hxx"
+#include <sfx2/strings.hrc>
+#include <vcl/svapp.hxx>
+
+enum class SvFileObjectType
+{
+ Text = 1, Graphic = 2, Object = 3
+};
+
+SvFileObject::SvFileObject()
+ : nPostUserEventId(nullptr)
+ , nType(SvFileObjectType::Text)
+ , bLoadAgain(true)
+ , bSynchron(false)
+ , bLoadError(false)
+ , bWaitForData(false)
+ , bDataReady(false)
+ , bClearMedium(false)
+ , bStateChangeCalled(false)
+{
+}
+
+SvFileObject::~SvFileObject()
+{
+ if (xMed.is())
+ {
+ xMed->SetDoneLink( Link<void*,void>() );
+ xMed.clear();
+ }
+ if (nPostUserEventId)
+ Application::RemoveUserEvent(nPostUserEventId);
+}
+
+bool SvFileObject::GetData( css::uno::Any & rData,
+ const OUString & rMimeType,
+ bool /*bGetSynchron*/ )
+{
+ SotClipboardFormatId nFmt = SotExchange::RegisterFormatMimeType( rMimeType );
+ switch( nType )
+ {
+ case SvFileObjectType::Text:
+ if( SotClipboardFormatId::SIMPLE_FILE == nFmt )
+ {
+ // The media in the application must be opened to lookup the
+ // relative file links!! This is done through the link manager
+ // of the Storage.
+ rData <<= sFileNm;
+ }
+ break;
+
+ case SvFileObjectType::Graphic:
+ if (SotClipboardFormatId::GDIMETAFILE == nFmt
+ || SotClipboardFormatId::BITMAP == nFmt
+ || SotClipboardFormatId::SVXB == nFmt)
+ {
+ rData <<= sFileNm;
+ }
+ break;
+ case SvFileObjectType::Object:
+ // TODO/LATER: possibility to insert a new object
+ rData <<= sFileNm;
+ break;
+ }
+ return true/*0 != aTypeList.Count()*/;
+}
+
+bool SvFileObject::Connect( sfx2::SvBaseLink* pLink )
+{
+ if( !pLink || !pLink->GetLinkManager() )
+ return false;
+
+ // Test if not another link of the same connection already exists
+ sfx2::LinkManager::GetDisplayNames( pLink, nullptr, &sFileNm, nullptr, &sFilter );
+
+ if( sfx2::SvBaseLinkObjectType::ClientGraphic == pLink->GetObjType() )
+ {
+ SfxObjectShellRef pShell = pLink->GetLinkManager()->GetPersist();
+ if( pShell.is() )
+ {
+ if( pShell->IsAbortingImport() )
+ return false;
+
+ if( pShell->GetMedium() )
+ sReferer = pShell->GetMedium()->GetName();
+ }
+ }
+
+ switch( pLink->GetObjType() )
+ {
+ case sfx2::SvBaseLinkObjectType::ClientGraphic:
+ nType = SvFileObjectType::Graphic;
+ bSynchron = pLink->IsSynchron();
+ break;
+
+ case sfx2::SvBaseLinkObjectType::ClientFile:
+ nType = SvFileObjectType::Text;
+ break;
+
+ case sfx2::SvBaseLinkObjectType::ClientOle:
+ nType = SvFileObjectType::Object;
+ // TODO/LATER: introduce own type to be used for exchanging
+ break;
+
+ default:
+ return false;
+ }
+
+ SetUpdateTimeout( 0 );
+
+ // and now register by this or other found Pseudo-Object
+ AddDataAdvise( pLink, SotExchange::GetFormatMimeType( pLink->GetContentType()), 0 );
+ return true;
+}
+
+bool SvFileObject::LoadFile_Impl()
+{
+ // We are still at Loading!!
+ if( bWaitForData || !bLoadAgain || xMed.is() )
+ return false;
+
+ // at the moment on the current DocShell
+ xMed = new SfxMedium( sFileNm, sReferer, StreamMode::STD_READ );
+ SvLinkSource::StreamToLoadFrom aStreamToLoadFrom =
+ getStreamToLoadFrom();
+ xMed->setStreamToLoadFrom(
+ aStreamToLoadFrom.m_xInputStreamToLoadFrom,
+ aStreamToLoadFrom.m_bIsReadOnly);
+
+ if( !bSynchron )
+ {
+ bLoadAgain = bDataReady = false;
+ bWaitForData = true;
+
+ tools::SvRef<SfxMedium> xTmpMed = xMed;
+ xMed->Download( LINK( this, SvFileObject, LoadGrfReady_Impl ) );
+
+ bClearMedium = !xMed.is();
+ if( bClearMedium )
+ xMed = xTmpMed; // If already finished in Download
+ return bDataReady;
+ }
+
+ bWaitForData = true;
+ bDataReady = false;
+ xMed->Download();
+ bLoadAgain = !xMed->IsRemote();
+ bWaitForData = false;
+
+ // Graphic is finished, also send DataChanged of the Status change:
+ SendStateChg_Impl( xMed->GetInStream() && xMed->GetInStream()->GetError()
+ ? sfx2::LinkManager::STATE_LOAD_ERROR : sfx2::LinkManager::STATE_LOAD_OK );
+ return true;
+}
+
+
+/** detect the filter of the given file
+
+ @param _rURL
+ specifies the URL of the file which filter is to detected.<br/>
+ If the URL doesn't denote a valid (existent and accessible) file, the
+ request is silently dropped.
+*/
+static OUString impl_getFilter( const OUString& _rURL )
+{
+ OUString sFilter;
+ if ( _rURL.isEmpty() )
+ return sFilter;
+
+ try
+ {
+ css::uno::Reference< css::document::XTypeDetection > xTypeDetection(
+ ::comphelper::getProcessServiceFactory()->createInstance( "com.sun.star.document.TypeDetection" ),
+ css::uno::UNO_QUERY );
+ if ( xTypeDetection.is() )
+ {
+ utl::MediaDescriptor aDescr;
+ aDescr[ utl::MediaDescriptor::PROP_URL ] <<= _rURL;
+ css::uno::Sequence< css::beans::PropertyValue > aDescrList =
+ aDescr.getAsConstPropertyValueList();
+ OUString sType = xTypeDetection->queryTypeByDescriptor( aDescrList, true );
+ if ( !sType.isEmpty() )
+ {
+ // Honor a selected/detected filter.
+ for (const auto& rDescr : std::as_const(aDescrList))
+ {
+ if (rDescr.Name == "FilterName")
+ {
+ if (rDescr.Value >>= sFilter)
+ break;
+ }
+ }
+ if (sFilter.isEmpty())
+ {
+ css::uno::Reference< css::container::XNameAccess > xTypeCont( xTypeDetection,
+ css::uno::UNO_QUERY );
+ if ( xTypeCont.is() )
+ {
+ /* XXX: for fdo#69948 scenario the sequence returned by
+ * getByName() contains an empty PreferredFilter
+ * property value (since? expected?) */
+ ::comphelper::SequenceAsHashMap lTypeProps( xTypeCont->getByName( sType ) );
+ sFilter = lTypeProps.getUnpackedValueOrDefault(
+ "PreferredFilter", OUString() );
+ }
+ }
+ }
+ }
+ }
+ catch( const css::uno::Exception& )
+ {
+ }
+
+ return sFilter;
+}
+
+void SvFileObject::Edit(weld::Window* pParent, sfx2::SvBaseLink* pLink, const Link<const OUString&, void>& rEndEditHdl)
+{
+ aEndEditLink = rEndEditHdl;
+ OUString sFile, sRange, sTmpFilter;
+ if( !pLink || !pLink->GetLinkManager() )
+ return;
+
+ sfx2::LinkManager::GetDisplayNames( pLink, nullptr, &sFile, &sRange, &sTmpFilter );
+
+ switch( pLink->GetObjType() )
+ {
+ case sfx2::SvBaseLinkObjectType::ClientGraphic:
+ {
+ nType = SvFileObjectType::Graphic; // If not set already
+
+ SvxOpenGraphicDialog aDlg(SfxResId(RID_SVXSTR_EDITGRFLINK), pParent);
+ aDlg.EnableLink(false);
+ aDlg.SetPath( sFile, true );
+ aDlg.SetCurrentFilter( sTmpFilter );
+
+ if( !aDlg.Execute() )
+ {
+ sFile = aDlg.GetPath()
+ + OUStringChar(sfx2::cTokenSeparator)
+ + OUStringChar(sfx2::cTokenSeparator)
+ + aDlg.GetDetectedFilter();
+
+ aEndEditLink.Call( sFile );
+ }
+ else
+ sFile.clear();
+ }
+ break;
+
+ case sfx2::SvBaseLinkObjectType::ClientOle:
+ {
+ nType = SvFileObjectType::Object; // if not set already
+
+ ::sfx2::FileDialogHelper & rFileDlg =
+ pLink->GetInsertFileDialog( OUString() );
+ rFileDlg.SetContext(sfx2::FileDialogHelper::LinkClientOLE);
+ rFileDlg.StartExecuteModal(
+ LINK( this, SvFileObject, DialogClosedHdl ) );
+ }
+ break;
+
+ case sfx2::SvBaseLinkObjectType::ClientFile:
+ {
+ nType = SvFileObjectType::Text; // if not set already
+
+ OUString sFactory;
+ SfxObjectShell* pShell = pLink->GetLinkManager()->GetPersist();
+ if ( pShell )
+ sFactory = pShell->GetFactory().GetFactoryName();
+
+ ::sfx2::FileDialogHelper & rFileDlg =
+ pLink->GetInsertFileDialog(sFactory);
+ rFileDlg.SetContext(sfx2::FileDialogHelper::LinkClientFile);
+ rFileDlg.StartExecuteModal(
+ LINK( this, SvFileObject, DialogClosedHdl ) );
+ }
+ break;
+
+ default:
+ sFile.clear();
+ }
+}
+
+IMPL_LINK_NOARG( SvFileObject, LoadGrfReady_Impl, void*, void )
+{
+ // When we come from here there it can not be an error no more.
+ bLoadError = false;
+ bWaitForData = false;
+
+ if( !bDataReady )
+ {
+ // Graphic is finished, also send DataChanged from Status change
+ bDataReady = true;
+ SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_OK );
+
+ // and then send the data again
+ NotifyDataChanged();
+ }
+
+ if( bDataReady )
+ {
+ bLoadAgain = true;
+ if( xMed.is() )
+ {
+ xMed->SetDoneLink( Link<void*,void>() );
+ mxDelMed = xMed;
+ nPostUserEventId = Application::PostUserEvent(
+ LINK( this, SvFileObject, DelMedium_Impl ));
+ xMed.clear();
+ }
+ }
+}
+
+IMPL_LINK_NOARG( SvFileObject, DelMedium_Impl, void*, void )
+{
+ nPostUserEventId = nullptr;
+ mxDelMed.clear();
+}
+
+IMPL_LINK( SvFileObject, DialogClosedHdl, sfx2::FileDialogHelper*, _pFileDlg, void )
+{
+ OUString sFile;
+
+ if ( SvFileObjectType::Text == nType || SvFileObjectType::Object == nType )
+ {
+ if ( _pFileDlg && _pFileDlg->GetError() == ERRCODE_NONE )
+ {
+ OUString sURL( _pFileDlg->GetPath() );
+ sFile = sURL + OUStringChar(sfx2::cTokenSeparator)
+ + OUStringChar(sfx2::cTokenSeparator)
+ + impl_getFilter( sURL );
+ }
+ }
+ else
+ {
+ SAL_WARN( "sfx.appl", "SvFileObject::DialogClosedHdl(): wrong file type" );
+ }
+
+ aEndEditLink.Call( sFile );
+}
+
+/*
+ The method determines whether the data-object can be read from a DDE.
+*/
+bool SvFileObject::IsPending() const
+{
+ return SvFileObjectType::Graphic == nType && !bLoadError && bWaitForData;
+}
+
+bool SvFileObject::IsDataComplete() const
+{
+ bool bRet = false;
+ if( SvFileObjectType::Graphic != nType )
+ bRet = true;
+ else if( !bLoadError && !bWaitForData )
+ {
+ SvFileObject* pThis = const_cast<SvFileObject*>(this);
+ if( bDataReady ||
+ ( bSynchron && pThis->LoadFile_Impl() && xMed.is() ) )
+ bRet = true;
+ else
+ {
+ INetURLObject aUrl( sFileNm );
+ if( aUrl.HasError() ||
+ INetProtocol::NotValid == aUrl.GetProtocol() )
+ bRet = true;
+ }
+ }
+ return bRet;
+}
+
+
+void SvFileObject::CancelTransfers()
+{
+ // unsubscribe from the cache if in the middle of loading
+ if( !bDataReady )
+ {
+ // Do not set-up again
+ bLoadAgain = false;
+ bDataReady = bLoadError = bWaitForData = true;
+ SendStateChg_Impl( sfx2::LinkManager::STATE_LOAD_ABORT );
+ }
+}
+
+
+void SvFileObject::SendStateChg_Impl( sfx2::LinkManager::LinkState nState )
+{
+ if( !bStateChangeCalled && HasDataLinks() )
+ {
+ DataChanged( SotExchange::GetFormatName(
+ sfx2::LinkManager::RegisterStatusInfoId()), css::uno::Any(OUString::number( nState )) );
+ bStateChangeCalled = true;
+ }
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */