138 lines
4.8 KiB
C++
138 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* Version: MPL 1.1 / GPLv3+ / LGPLv3+
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Initial Developer of the Original Code is
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* [ Surendran Mahendran <surenspost@gmail.com>]
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
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* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
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* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
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* instead of those above.
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*/
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#include <svx/extedit.hxx>
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#include <svx/graphichelper.hxx>
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#include <sfx2/viewfrm.hxx>
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#include <sfx2/bindings.hxx>
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#include <osl/file.hxx>
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#include <osl/thread.hxx>
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#include <osl/process.h>
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#include <osl/time.h>
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#include <svtools/filter.hxx>
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#include <svtools/filechangedchecker.hxx>
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#include <svx/xoutbmp.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/graph.hxx>
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#include <vcl/cvtgrf.hxx>
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#include "com/sun/star/system/SystemShellExecute.hpp"
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#include "com/sun/star/system/SystemShellExecuteFlags.hpp"
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#include <comphelper/processfactory.hxx>
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#include <boost/bind.hpp>
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using namespace ::com::sun::star;
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ExternalToolEdit::ExternalToolEdit()
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{}
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ExternalToolEdit::~ExternalToolEdit()
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{}
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void ExternalToolEdit::HandleCloseEvent(ExternalToolEdit* pData)
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{
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Graphic newGraphic;
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//import the temp file image stream into the newGraphic
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SvStream* pStream = utl::UcbStreamHelper::CreateStream(pData->m_aFileName, STREAM_READ);
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if(pStream)
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{
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GraphicConverter::Import(*pStream, newGraphic);
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// Now update the Graphic in the shell by re-reading from the newGraphic
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pData->Update( newGraphic );
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delete(pStream);
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}
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}
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IMPL_LINK (ExternalToolEdit, StartListeningEvent, void*, pEvent)
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{
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//Start an event listener implemented via VCL timeout
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ExternalToolEdit* pData = ( ExternalToolEdit* )pEvent;
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String aURL( pData->m_aFileName );
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new FileChangedChecker(
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pData->m_aFileName,
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::boost::bind(&HandleCloseEvent, pData));
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return 0;
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}
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void ExternalToolEdit::threadWorker(void* pThreadData)
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{
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ExternalToolEdit* pData = (ExternalToolEdit*) pThreadData;
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// Make an asynchronous call to listen to the event of temporary image file
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// getting changed
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Application::PostUserEvent( LINK( NULL, ExternalToolEdit, StartListeningEvent ), pThreadData);
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uno::Reference< com::sun::star::system::XSystemShellExecute > xSystemShellExecute(
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com::sun::star::system::SystemShellExecute::create(::comphelper::getProcessComponentContext() ) );
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xSystemShellExecute->execute( pData->m_aFileName, rtl::OUString(), com::sun::star::system::SystemShellExecuteFlags::URIS_ONLY );
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}
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void ExternalToolEdit::Edit( GraphicObject* pGraphicObject )
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{
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//Get the graphic from the GraphicObject
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m_pGraphicObject = pGraphicObject;
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const Graphic aGraphic = pGraphicObject->GetGraphic();
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//get the Preferred File Extension for this graphic
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String fExtension;
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GraphicHelper::GetPreferedExtension(fExtension, aGraphic);
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//Create the temp File
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rtl::OUString tempFileBase, tempFileName;
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oslFileHandle pHandle;
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osl::FileBase::createTempFile(0, &pHandle, &tempFileBase);
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// Move it to a file name with image extension properly set
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tempFileName = tempFileBase + rtl::OUString('.') + rtl::OUString(fExtension);
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osl::File::move(tempFileBase, tempFileName);
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//Write Graphic to the Temp File
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GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
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sal_uInt16 nFilter(rGraphicFilter.GetExportFormatNumber(fExtension));
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String aFilter(rGraphicFilter.GetExportFormatShortName(nFilter));
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String sPath(tempFileName);
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// Write the Graphic to the file now
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XOutBitmap::WriteGraphic(aGraphic, sPath, aFilter, XOUTBMP_USE_NATIVE_IF_POSSIBLE|XOUTBMP_DONT_EXPAND_FILENAME);
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// There is a possiblity that sPath extnesion might have been changed if the
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// provided extension is not writable
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tempFileName = rtl::OUString(sPath);
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//Create a thread
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rtl_uString* aFileName = new rtl_uString();
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rtl_uString_newFromAscii(
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&aFileName,
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rtl::OUStringToOString(tempFileName, RTL_TEXTENCODING_UTF8).getStr());
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m_aFileName = aFileName;
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// Create the data that is needed by the thread later
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osl_createThread(ExternalToolEdit::threadWorker, this);
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}
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