Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 277 insertions, 0 deletions

diff --git a/svx/source/svdraw/svdotxln.cxx b/svx/source/svdraw/svdotxln.cxx
new file mode 100644
index 000000000..01055b45a
--- /dev/null
+++ b/svx/source/svdraw/svdotxln.cxx
@@ -0,0 +1,277 @@
+/* -*- 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 <sal/config.h>
+
+#include <comphelper/processfactory.hxx>
+#include <osl/file.hxx>
+#include <osl/thread.h>
+#include <unotools/ucbstreamhelper.hxx>
+#include <ucbhelper/content.hxx>
+#include <unotools/datetime.hxx>
+#include <svx/svdotext.hxx>
+#include <svx/svdmodel.hxx>
+#include <editeng/editdata.hxx>
+#include <sfx2/lnkbase.hxx>
+#include <sfx2/linkmgr.hxx>
+#include <tools/urlobj.hxx>
+#include <tools/debug.hxx>
+#include <tools/tenccvt.hxx>
+#include <memory>
+
+class ImpSdrObjTextLink: public ::sfx2::SvBaseLink
+{
+    SdrTextObj*                 pSdrObj;
+
+public:
+    explicit ImpSdrObjTextLink( SdrTextObj* pObj1 )
+        : ::sfx2::SvBaseLink( ::SfxLinkUpdateMode::ONCALL, SotClipboardFormatId::SIMPLE_FILE ),
+            pSdrObj( pObj1 )
+    {}
+
+    virtual void Closed() override;
+    virtual ::sfx2::SvBaseLink::UpdateResult DataChanged(
+        const OUString& rMimeType, const css::uno::Any & rValue ) override;
+};
+
+void ImpSdrObjTextLink::Closed()
+{
+    if (pSdrObj )
+    {
+        // set pLink of the object to NULL, because we are destroying the link instance now
+        ImpSdrObjTextLinkUserData* pData=pSdrObj->GetLinkUserData();
+        if (pData!=nullptr) pData->pLink=nullptr;
+        pSdrObj->ReleaseTextLink();
+    }
+    SvBaseLink::Closed();
+}
+
+
+::sfx2::SvBaseLink::UpdateResult ImpSdrObjTextLink::DataChanged(
+    const OUString& /*rMimeType*/, const css::uno::Any & /*rValue */)
+{
+    bool bForceReload = false;
+    SdrModel* pModel(pSdrObj ? &pSdrObj->getSdrModelFromSdrObject() : nullptr);
+    sfx2::LinkManager* pLinkManager(pModel ? pModel->GetLinkManager() : nullptr);
+
+    if( pLinkManager )
+    {
+        ImpSdrObjTextLinkUserData* pData=pSdrObj->GetLinkUserData();
+        if( pData )
+        {
+            OUString aFile;
+            OUString aFilter;
+            sfx2::LinkManager::GetDisplayNames( this, nullptr,&aFile, nullptr, &aFilter );
+
+            if( pData->aFileName != aFile ||
+                pData->aFilterName != aFilter )
+            {
+                pData->aFileName = aFile;
+                pData->aFilterName = aFilter;
+                pSdrObj->SetChanged();
+                bForceReload = true;
+            }
+        }
+    }
+    if (pSdrObj )
+        pSdrObj->ReloadLinkedText( bForceReload );
+
+    return SUCCESS;
+}
+
+
+ImpSdrObjTextLinkUserData::ImpSdrObjTextLinkUserData():
+    SdrObjUserData(SdrInventor::Default,SDRUSERDATA_OBJTEXTLINK),
+    aFileDate0( DateTime::EMPTY ),
+    eCharSet(RTL_TEXTENCODING_DONTKNOW)
+{
+}
+
+ImpSdrObjTextLinkUserData::~ImpSdrObjTextLinkUserData()
+{
+}
+
+std::unique_ptr<SdrObjUserData> ImpSdrObjTextLinkUserData::Clone(SdrObject* ) const
+{
+    ImpSdrObjTextLinkUserData* pData=new ImpSdrObjTextLinkUserData;
+    pData->aFileName  =aFileName;
+    pData->aFilterName=aFilterName;
+    pData->aFileDate0 =aFileDate0;
+    pData->eCharSet   =eCharSet;
+    pData->pLink=nullptr;
+    return std::unique_ptr<SdrObjUserData>(pData);
+}
+
+
+void SdrTextObj::SetTextLink(const OUString& rFileName, const OUString& rFilterName)
+{
+    rtl_TextEncoding eCharSet = osl_getThreadTextEncoding();
+
+    ImpSdrObjTextLinkUserData* pData=GetLinkUserData();
+    if (pData!=nullptr) {
+        ReleaseTextLink();
+    }
+    pData=new ImpSdrObjTextLinkUserData;
+    pData->aFileName=rFileName;
+    pData->aFilterName=rFilterName;
+    pData->eCharSet=eCharSet;
+    AppendUserData(std::unique_ptr<SdrObjUserData>(pData));
+    ImpRegisterLink();
+}
+
+void SdrTextObj::ReleaseTextLink()
+{
+    ImpDeregisterLink();
+    sal_uInt16 nCount=GetUserDataCount();
+    for (sal_uInt16 nNum=nCount; nNum>0;) {
+        nNum--;
+        SdrObjUserData* pData=GetUserData(nNum);
+        if (pData->GetInventor()==SdrInventor::Default && pData->GetId()==SDRUSERDATA_OBJTEXTLINK) {
+            DeleteUserData(nNum);
+        }
+    }
+}
+
+bool SdrTextObj::ReloadLinkedText( bool bForceLoad)
+{
+    ImpSdrObjTextLinkUserData*  pData = GetLinkUserData();
+    bool                        bRet = true;
+
+    if( pData )
+    {
+        DateTime                    aFileDT( DateTime::EMPTY );
+        bool                        bExists = true;
+
+        try
+        {
+            INetURLObject aURL( pData->aFileName );
+            DBG_ASSERT( aURL.GetProtocol() != INetProtocol::NotValid, "invalid URL" );
+
+            ::ucbhelper::Content aCnt( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), css::uno::Reference< css::ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext() );
+            css::uno::Any aAny( aCnt.getPropertyValue("DateModified") );
+            css::util::DateTime aDateTime;
+
+            aAny >>= aDateTime;
+            ::utl::typeConvert( aDateTime, aFileDT );
+        }
+        catch( ... )
+        {
+            bExists = false;
+        }
+
+        if( bExists )
+        {
+            bool bLoad = false;
+            if( bForceLoad )
+                bLoad = true;
+            else
+                bLoad = ( aFileDT > pData->aFileDate0 );
+
+            if( bLoad )
+            {
+                bRet = LoadText( pData->aFileName, pData->eCharSet );
+            }
+
+            pData->aFileDate0 = aFileDT;
+        }
+    }
+
+    return bRet;
+}
+
+bool SdrTextObj::LoadText(const OUString& rFileName, rtl_TextEncoding eCharSet)
+{
+    INetURLObject   aFileURL( rFileName );
+    bool            bRet = false;
+
+    if( aFileURL.GetProtocol() == INetProtocol::NotValid )
+    {
+        OUString aFileURLStr;
+
+        if( osl::FileBase::getFileURLFromSystemPath( rFileName, aFileURLStr ) == osl::FileBase::E_None )
+            aFileURL = INetURLObject( aFileURLStr );
+        else
+            aFileURL.SetSmartURL( rFileName );
+    }
+
+    DBG_ASSERT( aFileURL.GetProtocol() != INetProtocol::NotValid, "invalid URL" );
+
+    std::unique_ptr<SvStream> pIStm(::utl::UcbStreamHelper::CreateStream( aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), StreamMode::READ ));
+
+    if( pIStm )
+    {
+        pIStm->SetStreamCharSet(GetSOLoadTextEncoding(eCharSet));
+
+        char cRTF[5];
+        cRTF[4] = 0;
+        pIStm->ReadBytes(cRTF, 5);
+
+        bool bRTF = cRTF[0] == '{' && cRTF[1] == '\\' && cRTF[2] == 'r' && cRTF[3] == 't' && cRTF[4] == 'f';
+
+        pIStm->Seek(0);
+
+        if( !pIStm->GetError() )
+        {
+            SetText( *pIStm, aFileURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), bRTF ? EETextFormat::Rtf : EETextFormat::Text );
+            bRet = true;
+        }
+    }
+
+    return bRet;
+}
+
+ImpSdrObjTextLinkUserData* SdrTextObj::GetLinkUserData() const
+{
+    sal_uInt16 nCount=GetUserDataCount();
+    for (sal_uInt16 nNum=nCount; nNum>0;) {
+        nNum--;
+        SdrObjUserData * pData=GetUserData(nNum);
+        if (pData->GetInventor() == SdrInventor::Default
+            && pData->GetId() == SDRUSERDATA_OBJTEXTLINK)
+        {
+            return static_cast<ImpSdrObjTextLinkUserData *>(pData);
+        }
+    }
+    return nullptr;
+}
+
+void SdrTextObj::ImpRegisterLink()
+{
+    ImpSdrObjTextLinkUserData* pData=GetLinkUserData();
+    sfx2::LinkManager* pLinkManager(getSdrModelFromSdrObject().GetLinkManager());
+    if (pLinkManager!=nullptr && pData!=nullptr && pData->pLink==nullptr) { // don't register twice
+        pData->pLink = new ImpSdrObjTextLink(this);
+        pLinkManager->InsertFileLink(*pData->pLink,sfx2::SvBaseLinkObjectType::ClientFile,pData->aFileName,
+                                     !pData->aFilterName.isEmpty() ?
+                                      &pData->aFilterName : nullptr);
+    }
+}
+
+void SdrTextObj::ImpDeregisterLink()
+{
+    ImpSdrObjTextLinkUserData* pData=GetLinkUserData();
+    sfx2::LinkManager* pLinkManager(getSdrModelFromSdrObject().GetLinkManager());
+    if (pLinkManager!=nullptr && pData!=nullptr && pData->pLink!=nullptr) { // don't register twice
+        // when doing Remove, *pLink is deleted implicitly
+        pLinkManager->Remove( pData->pLink.get() );
+        pData->pLink=nullptr;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */