Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * Version: MPL 1.1 / GPLv3+ / LGPLv3+
       4             :  *
       5             :  * The contents of this file are subject to the Mozilla Public License Version
       6             :  * 1.1 (the "License"); you may not use this file except in compliance with
       7             :  * the License. You may obtain a copy of the License at
       8             :  * http://www.mozilla.org/MPL/
       9             :  *
      10             :  * Software distributed under the License is distributed on an "AS IS" basis,
      11             :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12             :  * for the specific language governing rights and limitations under the
      13             :  * License.
      14             :  *
      15             :  * The Initial Developer of the Original Code is
      16             :  *       [ Surendran Mahendran <surenspost@gmail.com>]
      17             :  *
      18             :  * Alternatively, the contents of this file may be used under the terms of
      19             :  * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
      20             :  * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
      21             :  * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
      22             :  * instead of those above.
      23             :  */
      24             : 
      25             : #include <svx/extedit.hxx>
      26             : #include <svx/graphichelper.hxx>
      27             : #include <sfx2/viewfrm.hxx>
      28             : #include <sfx2/bindings.hxx>
      29             : #include <osl/file.hxx>
      30             : #include <osl/thread.hxx>
      31             : #include <osl/process.h>
      32             : #include <osl/time.h>
      33             : #include <svtools/filter.hxx>
      34             : #include <svtools/filechangedchecker.hxx>
      35             : #include <svx/xoutbmp.hxx>
      36             : #include <unotools/ucbstreamhelper.hxx>
      37             : #include <vcl/svapp.hxx>
      38             : #include <vcl/graph.hxx>
      39             : #include <vcl/cvtgrf.hxx>
      40             : 
      41             : #include "com/sun/star/system/SystemShellExecute.hpp"
      42             : #include "com/sun/star/system/SystemShellExecuteFlags.hpp"
      43             : #include <comphelper/processfactory.hxx>
      44             : 
      45             : #include <boost/bind.hpp>
      46             : 
      47             : using namespace ::com::sun::star;
      48           0 : ExternalToolEdit::ExternalToolEdit()
      49           0 : {}
      50             : 
      51           0 : ExternalToolEdit::~ExternalToolEdit()
      52           0 : {}
      53             : 
      54           0 : void ExternalToolEdit::HandleCloseEvent(ExternalToolEdit* pData)
      55             : {
      56           0 :     Graphic newGraphic;
      57             : 
      58             :     //import the temp file image stream into the newGraphic
      59           0 :     SvStream* pStream = utl::UcbStreamHelper::CreateStream(pData->m_aFileName, STREAM_READ);
      60           0 :     if(pStream)
      61             :     {
      62           0 :         GraphicConverter::Import(*pStream, newGraphic);
      63             : 
      64             :         // Now update the Graphic in the shell by re-reading from the newGraphic
      65           0 :         pData->Update( newGraphic );
      66             : 
      67           0 :         delete(pStream);
      68           0 :     }
      69           0 : }
      70             : 
      71           0 : IMPL_LINK (ExternalToolEdit, StartListeningEvent, void*, pEvent)
      72             : {
      73             :     //Start an event listener implemented via VCL timeout
      74           0 :     ExternalToolEdit* pData = ( ExternalToolEdit* )pEvent;
      75           0 :     String aURL( pData->m_aFileName );
      76             : 
      77             :     new FileChangedChecker(
      78             :         pData->m_aFileName,
      79           0 :         ::boost::bind(&HandleCloseEvent, pData));
      80             : 
      81           0 :     return 0;
      82             : }
      83             : 
      84           0 : void ExternalToolEdit::threadWorker(void* pThreadData)
      85             : {
      86           0 :     ExternalToolEdit* pData = (ExternalToolEdit*) pThreadData;
      87             : 
      88             :     // Make an asynchronous call to listen to the event of temporary image file
      89             :     // getting changed
      90           0 :     Application::PostUserEvent( LINK( NULL, ExternalToolEdit, StartListeningEvent ), pThreadData);
      91             : 
      92             :     uno::Reference< com::sun::star::system::XSystemShellExecute > xSystemShellExecute(
      93           0 :         com::sun::star::system::SystemShellExecute::create(::comphelper::getProcessComponentContext() ) );
      94           0 :     xSystemShellExecute->execute( pData->m_aFileName, rtl::OUString(),  com::sun::star::system::SystemShellExecuteFlags::URIS_ONLY );
      95           0 : }
      96             : 
      97           0 : void ExternalToolEdit::Edit( GraphicObject* pGraphicObject )
      98             : {
      99             :     //Get the graphic from the GraphicObject
     100           0 :     m_pGraphicObject = pGraphicObject;
     101           0 :     const Graphic aGraphic = pGraphicObject->GetGraphic();
     102             : 
     103             :     //get the Preferred File Extension for this graphic
     104           0 :     String fExtension;
     105           0 :     GraphicHelper::GetPreferedExtension(fExtension, aGraphic);
     106             : 
     107             :     //Create the temp File
     108           0 :     rtl::OUString tempFileBase, tempFileName;
     109             :     oslFileHandle pHandle;
     110           0 :     osl::FileBase::createTempFile(0, &pHandle, &tempFileBase);
     111             : 
     112             :     // Move it to a file name with image extension properly set
     113           0 :     tempFileName = tempFileBase + rtl::OUString('.') + rtl::OUString(fExtension);
     114           0 :     osl::File::move(tempFileBase, tempFileName);
     115             : 
     116             :     //Write Graphic to the Temp File
     117           0 :     GraphicFilter& rGraphicFilter = GraphicFilter::GetGraphicFilter();
     118           0 :     sal_uInt16 nFilter(rGraphicFilter.GetExportFormatNumber(fExtension));
     119           0 :     String aFilter(rGraphicFilter.GetExportFormatShortName(nFilter));
     120           0 :     String sPath(tempFileName);
     121             : 
     122             :     // Write the Graphic to the file now
     123           0 :     XOutBitmap::WriteGraphic(aGraphic, sPath, aFilter, XOUTBMP_USE_NATIVE_IF_POSSIBLE|XOUTBMP_DONT_EXPAND_FILENAME);
     124             : 
     125             :     // There is a possiblity that sPath extnesion might have been changed if the
     126             :     // provided extension is not writable
     127           0 :     tempFileName = rtl::OUString(sPath);
     128             : 
     129             :     //Create a thread
     130           0 :     rtl_uString* aFileName = new rtl_uString();
     131             :     rtl_uString_newFromAscii(
     132             :         &aFileName,
     133           0 :         rtl::OUStringToOString(tempFileName, RTL_TEXTENCODING_UTF8).getStr());
     134           0 :     m_aFileName = aFileName;
     135             :     // Create the data that is needed by the thread later
     136           0 :     osl_createThread(ExternalToolEdit::threadWorker, this);
     137          63 : }