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kmreaderwin.cpp

// -*- mode: C++; c-file-style: "gnu" -*-
// kmreaderwin.cpp
// Author: Markus Wuebben <markus.wuebben@kde.org>

// define this to copy all html that is written to the readerwindow to
// filehtmlwriter.out in the current working directory
//#define KMAIL_READER_HTML_DEBUG 1

#include <config.h>

#include "kmreaderwin.h"

#include "globalsettings.h"
#include "kmversion.h"
#include "kmmainwidget.h"
#include "kmreadermainwin.h"
#include "kmailicalifaceimpl.h"
#include <kpgpblock.h>
#include <libkdepim/kfileio.h>
#include "kmfolderindex.h"
#include "kmcommands.h"
#include "kmmsgpartdlg.h"
#include "mailsourceviewer.h"
using KMail::MailSourceViewer;
#include "partNode.h"
#include "kmmsgdict.h"
#include "kmsender.h"
#include "kcursorsaver.h"
#include "kmkernel.h"
#include "kmfolder.h"
#include "vcardviewer.h"
using KMail::VCardViewer;
#include "objecttreeparser.h"
using KMail::ObjectTreeParser;
#include "partmetadata.h"
using KMail::PartMetaData;
#include "attachmentstrategy.h"
using KMail::AttachmentStrategy;
#include "headerstrategy.h"
using KMail::HeaderStrategy;
#include "headerstyle.h"
using KMail::HeaderStyle;
#include "khtmlparthtmlwriter.h"
using KMail::HtmlWriter;
using KMail::KHtmlPartHtmlWriter;
#include "htmlstatusbar.h"
using KMail::HtmlStatusBar;
#include "folderjob.h"
using KMail::FolderJob;
#include "csshelper.h"
using KMail::CSSHelper;
#include "isubject.h"
using KMail::ISubject;
#include "urlhandlermanager.h"
using KMail::URLHandlerManager;
#include "interfaces/observable.h"

#include "broadcaststatus.h"

#include <kmime_mdn.h>
using namespace KMime;
#ifdef KMAIL_READER_HTML_DEBUG
#include "filehtmlwriter.h"
using KMail::FileHtmlWriter;
#include "teehtmlwriter.h"
using KMail::TeeHtmlWriter;
#endif

#include <mimelib/mimepp.h>
#include <mimelib/body.h>
#include <mimelib/utility.h>

// KABC includes
#include <kabc/addressee.h>
#include <kabc/vcardconverter.h>

// khtml headers
#include <khtml_part.h>
#include <khtmlview.h> // So that we can get rid of the frames
#include <dom/html_element.h>
#include <dom/html_block.h>
#include <dom/html_document.h>
#include <dom/dom_string.h>

#include <kapplication.h>
// for the click on attachment stuff (dnaber):
#include <kuserprofile.h>
#include <kcharsets.h>
#include <kpopupmenu.h>
#include <kstandarddirs.h>  // Sven's : for access and getpid
#include <kcursor.h>
#include <kdebug.h>
#include <kfiledialog.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kglobalsettings.h>
#include <krun.h>
#include <ktempfile.h>
#include <kprocess.h>
#include <kdialog.h>
#include <kaction.h>
#include <kiconloader.h>
#include <kmdcodec.h>

#include <qclipboard.h>
#include <qhbox.h>
#include <qtextcodec.h>
#include <qpaintdevicemetrics.h>
#include <qlayout.h>
#include <qlabel.h>
#include <qsplitter.h>
#include <qstyle.h>

// X headers...
#undef Never
#undef Always

#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>

#ifdef HAVE_PATHS_H
#include <paths.h>
#endif

class NewByteArray : public QByteArray
{
public:
    NewByteArray &appendNULL();
    NewByteArray &operator+=( const char * );
    NewByteArray &operator+=( const QByteArray & );
    NewByteArray &operator+=( const QCString & );
    QByteArray& qByteArray();
};

NewByteArray& NewByteArray::appendNULL()
{
    QByteArray::detach();
    uint len1 = size();
    if ( !QByteArray::resize( len1 + 1 ) )
        return *this;
    *(data() + len1) = '\0';
    return *this;
}
NewByteArray& NewByteArray::operator+=( const char * newData )
{
    if ( !newData )
        return *this;
    QByteArray::detach();
    uint len1 = size();
    uint len2 = qstrlen( newData );
    if ( !QByteArray::resize( len1 + len2 ) )
        return *this;
    memcpy( data() + len1, newData, len2 );
    return *this;
}
NewByteArray& NewByteArray::operator+=( const QByteArray & newData )
{
    if ( newData.isNull() )
        return *this;
    QByteArray::detach();
    uint len1 = size();
    uint len2 = newData.size();
    if ( !QByteArray::resize( len1 + len2 ) )
        return *this;
    memcpy( data() + len1, newData.data(), len2 );
    return *this;
}
NewByteArray& NewByteArray::operator+=( const QCString & newData )
{
    if ( newData.isEmpty() )
        return *this;
    QByteArray::detach();
    uint len1 = size();
    uint len2 = newData.length(); // forget about the trailing 0x00 !
    if ( !QByteArray::resize( len1 + len2 ) )
        return *this;
    memcpy( data() + len1, newData.data(), len2 );
    return *this;
}
QByteArray& NewByteArray::qByteArray()
{
    return *((QByteArray*)this);
}



// This function returns the complete data that were in this
// message parts - *after* all encryption has been removed that
// could be removed.
// - This is used to store the message in decrypted form.
void KMReaderWin::objectTreeToDecryptedMsg( partNode* node,
                                            NewByteArray& resultingData,
                                            KMMessage& theMessage,
                                            bool weAreReplacingTheRootNode,
                                            int recCount )
{
  kdDebug(5006) << QString("-------------------------------------------------" ) << endl;
  kdDebug(5006) << QString("KMReaderWin::objectTreeToDecryptedMsg( %1 )  START").arg( recCount ) << endl;
  if( node ) {
    partNode* curNode = node;
    partNode* dataNode = curNode;
    partNode * child = node->firstChild();
    bool bIsMultipart = false;

    switch( curNode->type() ){
      case DwMime::kTypeText: {
kdDebug(5006) << "* text *" << endl;
          switch( curNode->subType() ){
          case DwMime::kSubtypeHtml:
kdDebug(5006) << "html" << endl;
            break;
          case DwMime::kSubtypeXVCard:
kdDebug(5006) << "v-card" << endl;
            break;
          case DwMime::kSubtypeRichtext:
kdDebug(5006) << "rich text" << endl;
            break;
          case DwMime::kSubtypeEnriched:
kdDebug(5006) << "enriched " << endl;
            break;
          case DwMime::kSubtypePlain:
kdDebug(5006) << "plain " << endl;
            break;
          default:
kdDebug(5006) << "default " << endl;
            break;
          }
        }
        break;
      case DwMime::kTypeMultipart: {
kdDebug(5006) << "* multipart *" << endl;
          bIsMultipart = true;
          switch( curNode->subType() ){
          case DwMime::kSubtypeMixed:
kdDebug(5006) << "mixed" << endl;
            break;
          case DwMime::kSubtypeAlternative:
kdDebug(5006) << "alternative" << endl;
            break;
          case DwMime::kSubtypeDigest:
kdDebug(5006) << "digest" << endl;
            break;
          case DwMime::kSubtypeParallel:
kdDebug(5006) << "parallel" << endl;
            break;
          case DwMime::kSubtypeSigned:
kdDebug(5006) << "signed" << endl;
            break;
          case DwMime::kSubtypeEncrypted: {
kdDebug(5006) << "encrypted" << endl;
              if ( child ) {
                /*
                    ATTENTION: This code is to be replaced by the new 'auto-detect' feature. --------------------------------------
                */
                partNode* data =
                  child->findType( DwMime::kTypeApplication, DwMime::kSubtypeOctetStream, false, true );
                if ( !data )
                  data = child->findType( DwMime::kTypeApplication, DwMime::kSubtypePkcs7Mime, false, true );
                if ( data && data->firstChild() )
                  dataNode = data;
              }
            }
            break;
          default :
kdDebug(5006) << "(  unknown subtype  )" << endl;
            break;
          }
        }
        break;
      case DwMime::kTypeMessage: {
kdDebug(5006) << "* message *" << endl;
          switch( curNode->subType() ){
          case DwMime::kSubtypeRfc822: {
kdDebug(5006) << "RfC 822" << endl;
              if ( child )
                dataNode = child;
            }
            break;
          }
        }
        break;
      case DwMime::kTypeApplication: {
kdDebug(5006) << "* application *" << endl;
          switch( curNode->subType() ){
          case DwMime::kSubtypePostscript:
kdDebug(5006) << "postscript" << endl;
            break;
          case DwMime::kSubtypeOctetStream: {
kdDebug(5006) << "octet stream" << endl;
              if ( child )
                dataNode = child;
            }
            break;
          case DwMime::kSubtypePgpEncrypted:
kdDebug(5006) << "pgp encrypted" << endl;
            break;
          case DwMime::kSubtypePgpSignature:
kdDebug(5006) << "pgp signed" << endl;
            break;
          case DwMime::kSubtypePkcs7Mime: {
kdDebug(5006) << "pkcs7 mime" << endl;
              // note: subtype Pkcs7Mime can also be signed
              //       and we do NOT want to remove the signature!
              if ( child && curNode->encryptionState() != KMMsgNotEncrypted )
                dataNode = child;
            }
            break;
          }
        }
        break;
      case DwMime::kTypeImage: {
kdDebug(5006) << "* image *" << endl;
          switch( curNode->subType() ){
          case DwMime::kSubtypeJpeg:
kdDebug(5006) << "JPEG" << endl;
            break;
          case DwMime::kSubtypeGif:
kdDebug(5006) << "GIF" << endl;
            break;
          }
        }
        break;
      case DwMime::kTypeAudio: {
kdDebug(5006) << "* audio *" << endl;
          switch( curNode->subType() ){
          case DwMime::kSubtypeBasic:
kdDebug(5006) << "basic" << endl;
            break;
          }
        }
        break;
      case DwMime::kTypeVideo: {
kdDebug(5006) << "* video *" << endl;
          switch( curNode->subType() ){
          case DwMime::kSubtypeMpeg:
kdDebug(5006) << "mpeg" << endl;
            break;
          }
        }
        break;
      case DwMime::kTypeModel:
kdDebug(5006) << "* model *" << endl;
        break;
    }


    DwHeaders& rootHeaders( theMessage.headers() );
    DwBodyPart * part = dataNode->dwPart() ? dataNode->dwPart() : 0;
    DwHeaders * headers(
        (part && part->hasHeaders())
        ? &part->Headers()
        : (  (weAreReplacingTheRootNode || !dataNode->parentNode())
            ? &rootHeaders
            : 0 ) );
    if( dataNode == curNode ) {
kdDebug(5006) << "dataNode == curNode:  Save curNode without replacing it." << endl;

      // A) Store the headers of this part IF curNode is not the root node
      //    AND we are not replacing a node that already *has* replaced
      //    the root node in previous recursion steps of this function...
      if( headers ) {
        if( dataNode->parentNode() && !weAreReplacingTheRootNode ) {
kdDebug(5006) << "dataNode is NOT replacing the root node:  Store the headers." << endl;
          resultingData += headers->AsString().c_str();
        } else if( weAreReplacingTheRootNode && part->hasHeaders() ){
kdDebug(5006) << "dataNode replace the root node:  Do NOT store the headers but change" << endl;
kdDebug(5006) << "                                 the Message's headers accordingly." << endl;
kdDebug(5006) << "              old Content-Type = " << rootHeaders.ContentType().AsString().c_str() << endl;
kdDebug(5006) << "              new Content-Type = " << headers->ContentType(   ).AsString().c_str() << endl;
          rootHeaders.ContentType()             = headers->ContentType();
          theMessage.setContentTransferEncodingStr(
              headers->HasContentTransferEncoding()
            ? headers->ContentTransferEncoding().AsString().c_str()
            : "" );
          rootHeaders.ContentDescription() = headers->ContentDescription();
          rootHeaders.ContentDisposition() = headers->ContentDisposition();
          theMessage.setNeedsAssembly();
        }
      }

      // B) Store the body of this part.
      if( headers && bIsMultipart && dataNode->firstChild() )  {
kdDebug(5006) << "is valid Multipart, processing children:" << endl;
        QCString boundary = headers->ContentType().Boundary().c_str();
        curNode = dataNode->firstChild();
        // store children of multipart
        while( curNode ) {
kdDebug(5006) << "--boundary" << endl;
          if( resultingData.size() &&
              ( '\n' != resultingData.at( resultingData.size()-1 ) ) )
            resultingData += QCString( "\n" );
          resultingData += QCString( "\n" );
          resultingData += "--";
          resultingData += boundary;
          resultingData += "\n";
          // note: We are processing a harmless multipart that is *not*
          //       to be replaced by one of it's children, therefor
          //       we set their doStoreHeaders to true.
          objectTreeToDecryptedMsg( curNode,
                                    resultingData,
                                    theMessage,
                                    false,
                                    recCount + 1 );
          curNode = curNode->nextSibling();
        }
kdDebug(5006) << "--boundary--" << endl;
        resultingData += "\n--";
        resultingData += boundary;
        resultingData += "--\n\n";
kdDebug(5006) << "Multipart processing children - DONE" << endl;
      } else if( part ){
        // decrypt and store simple part
kdDebug(5006) << "is Simple part or invalid Multipart, processing single body (if inline encrypted):" << endl;
        // Problem: body text may be inline PGP encrypted, so we can not just dump it.
        // resultingData += part->Body().AsString().c_str();

        // Note: parseObjectTree() does no inline PGP decrypting anymore.
        ObjectTreeParser otp( 0, 0, false, false, true );
        dataNode->setProcessed( false, true );
        otp.setKeepEncryptions( false );
        otp.parseObjectTree( curNode );
        //resultingData += otp.rawReplyString();  // re-enable this, once ObjectTreeParser is updated.


        // Temporary solution, to be replaced by a Kleo::CryptoBackend job inside ObjectTreeParser:
        bool bDecryptedInlinePGP = false;
        QPtrList<Kpgp::Block> pgpBlocks;
        QStrList nonPgpBlocks;
        if ( Kpgp::Module::prepareMessageForDecryption( otp.rawReplyString(),
                                                        pgpBlocks,
                                                        nonPgpBlocks ) ) {
          if ( pgpBlocks.count() == 1 ) {
            Kpgp::Block * block = pgpBlocks.first();
            if ( block->type() == Kpgp::PgpMessageBlock ) {
              // try to decrypt this OpenPGP block
              block->decrypt();
              resultingData += nonPgpBlocks.first() + block->text() + nonPgpBlocks.last();
              bDecryptedInlinePGP = true;
            }
          }
        }
        if( !bDecryptedInlinePGP )
          resultingData += otp.rawReplyString();
        // end of temporary solution.


kdDebug(5006) << "decrypting of single body - DONE" << endl;
      }
    } else {
kdDebug(5006) << "dataNode != curNode:  Replace curNode by dataNode." << endl;
      bool rootNodeReplaceFlag = weAreReplacingTheRootNode || !curNode->parentNode();
      if( rootNodeReplaceFlag ) {
kdDebug(5006) << "                      Root node will be replaced." << endl;
      } else {
kdDebug(5006) << "                      Root node will NOT be replaced." << endl;
      }
      // store special data to replace the current part
      // (e.g. decrypted data or embedded RfC 822 data)
      objectTreeToDecryptedMsg( dataNode,
                                resultingData,
                                theMessage,
                                rootNodeReplaceFlag,
                                recCount + 1 );
    }
  }
  kdDebug(5006) << QString("\nKMReaderWin::objectTreeToDecryptedMsg( %1 )  END").arg( recCount ) << endl;
}


/*
 ===========================================================================


        E N D    O F     T E M P O R A R Y     M I M E     C O D E


 ===========================================================================
*/











void KMReaderWin::createWidgets() {
  QVBoxLayout * vlay = new QVBoxLayout( this );
  mSplitter = new QSplitter( Qt::Vertical, this, "mSplitter" );
  vlay->addWidget( mSplitter );
  mMimePartTree = new KMMimePartTree( this, mSplitter, "mMimePartTree" );
  mBox = new QHBox( mSplitter, "mBox" );
  setStyleDependantFrameWidth();
  mBox->setFrameStyle( mMimePartTree->frameStyle() );
  mColorBar = new HtmlStatusBar( mBox, "mColorBar" );
  mViewer = new KHTMLPart( mBox, "mViewer" );
  mSplitter->setOpaqueResize( KGlobalSettings::opaqueResize() );
  mSplitter->setResizeMode( mMimePartTree, QSplitter::KeepSize );
}

const int KMReaderWin::delay = 150;

//-----------------------------------------------------------------------------
KMReaderWin::KMReaderWin(QWidget *aParent,
                   QWidget *mainWindow,
                   KActionCollection* actionCollection,
                         const char *aName,
                         int aFlags )
  : QWidget(aParent, aName, aFlags | Qt::WDestructiveClose),
    mAttachmentStrategy( 0 ),
    mHeaderStrategy( 0 ),
    mHeaderStyle( 0 ),
    mOverrideCodec( 0 ),
    mCSSHelper( 0 ),
    mRootNode( 0 ),
    mMainWindow( mainWindow ),
    mHtmlWriter( 0 )
{
  mSplitterSizes << 180 << 100;
  mMimeTreeMode = 1;
  mMimeTreeAtBottom = true;
  mAutoDelete = false;
  mLastSerNum = 0;
  mWaitingForSerNum = 0;
  mMessage = 0;
  mLastStatus = KMMsgStatusUnknown;
  mMsgDisplay = true;
  mPrinting = false;
  mShowColorbar = false;
  mAtmUpdate = false;

  createWidgets();
  initHtmlWidget();
  readConfig();

  mHtmlOverride = false;

  connect( &updateReaderWinTimer, SIGNAL(timeout()),
         this, SLOT(updateReaderWin()) );
  connect( &mResizeTimer, SIGNAL(timeout()),
         this, SLOT(slotDelayedResize()) );
  connect( &mDelayedMarkTimer, SIGNAL(timeout()),
           this, SLOT(slotTouchMessage()) );

  createActions( actionCollection );
}

void KMReaderWin::createActions( KActionCollection * ac ) {
  if ( !ac )
      return;

  mMailToComposeAction = new KAction( i18n("New Message To..."), 0, this,
                            SLOT(slotMailtoCompose()), ac,
                            "mailto_compose" );
  mMailToReplyAction = new KAction( i18n("Reply To..."), 0, this,
                            SLOT(slotMailtoReply()), ac,
                            "mailto_reply" );
  mMailToForwardAction = new KAction( i18n("Forward To..."),
                            0, this, SLOT(slotMailtoForward()), ac,
                            "mailto_forward" );
  mAddAddrBookAction = new KAction( i18n("Add to Address Book"),
                            0, this, SLOT(slotMailtoAddAddrBook()),
                            ac, "add_addr_book" );
  mOpenAddrBookAction = new KAction( i18n("Open in Address Book"),
                            0, this, SLOT(slotMailtoOpenAddrBook()),
                            ac, "openin_addr_book" );
  mCopyAction = new KAction( i18n("Copy to Clipboard"), 0, this,
                       SLOT(slotUrlCopy()), ac, "copy_address" );
  mCopyURLAction = new KAction( i18n("Copy Link Address"), 0, this,
                        SLOT(slotUrlCopy()), ac, "copy_url" );
  mUrlOpenAction = new KAction( i18n("Open URL"), 0, this,
                       SLOT(slotUrlOpen()), ac, "open_url" );
  mAddBookmarksAction = new KAction( i18n("Bookmark This Link"),
                                     "bookmark_add",
                                     0, this, SLOT(slotAddBookmarks()),
                                     ac, "add_bookmarks" );
  mUrlSaveAsAction = new KAction( i18n("Save Link As..."), 0, this,
                       SLOT(slotUrlSave()), ac, "saveas_url" );
  mViewSourceAction = new KAction( i18n("&View Source"), Key_V, this,
                  SLOT(slotShowMsgSrc()), ac, "view_source" );

  mToggleFixFontAction = new KToggleAction( i18n("Use Fi&xed Font"),
                  Key_X, this, SLOT(slotToggleFixedFont()),
                  ac, "toggle_fixedfont" );

  mStartIMChatAction = new KAction( i18n("Chat &With..."), 0, this,
                            SLOT(slotIMChat()), ac, "start_im_chat" );
}


//-----------------------------------------------------------------------------
KMReaderWin::~KMReaderWin()
{
  delete mHtmlWriter; mHtmlWriter = 0;
  if (mAutoDelete) delete message();
  delete mRootNode; mRootNode = 0;
  removeTempFiles();
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotMessageArrived( KMMessage *msg )
{
  if (msg && ((KMMsgBase*)msg)->isMessage()) {
    if ( msg->getMsgSerNum() == mWaitingForSerNum ) {
      setMsg( msg, true );
    } else {
      kdDebug( 5006 ) <<  "KMReaderWin::slotMessageArrived - ignoring update" << endl;
    }
  }
}

//-----------------------------------------------------------------------------
void KMReaderWin::update( KMail::Interface::Observable * observable ) {
  if ( !mAtmUpdate ) {
    kdDebug(5006) << "KMReaderWin::update - message" << endl;
    updateReaderWin();
    return;
  }

  if ( !mRootNode )
    return;

  kdDebug(5006) << "KMReaderWin::update - attachment " << mAtmCurrentName << endl;
  partNode * node = mRootNode->findId( mAtmCurrent );
  if ( !node ) {
    kdWarning(5006) << "KMReaderWin::update - Could not find node for attachment!" << endl;
    return;
  }

  assert( dynamic_cast<KMMessage*>( observable ) != 0 );
  // if the assert ever fails, this curious construction needs to
  // be rethought:

  // replace the dwpart of the node
  node->setDwPart( static_cast<KMMessage*>( observable )->lastUpdatedPart() );
  // update the tmp file
  // we have to set it writeable temporarily
  ::chmod( QFile::encodeName( mAtmCurrentName ), S_IRWXU );
  KPIM::kByteArrayToFile( node->msgPart().bodyDecodedBinary(), mAtmCurrentName,
                false, false, true );
  ::chmod( QFile::encodeName( mAtmCurrentName ), S_IRUSR );

  // no need to redisplay here as we only replaced the tmp file so that
  // the desired function (e.g. save) can work with it
}

//-----------------------------------------------------------------------------
void KMReaderWin::removeTempFiles()
{
  for (QStringList::Iterator it = mTempFiles.begin(); it != mTempFiles.end();
    it++)
  {
    QFile::remove(*it);
  }
  mTempFiles.clear();
  for (QStringList::Iterator it = mTempDirs.begin(); it != mTempDirs.end();
    it++)
  {
    QDir(*it).rmdir(*it);
  }
  mTempDirs.clear();
}


//-----------------------------------------------------------------------------
bool KMReaderWin::event(QEvent *e)
{
  if (e->type() == QEvent::ApplicationPaletteChange)
  {
    delete mCSSHelper;
    mCSSHelper = new CSSHelper( QPaintDeviceMetrics( mViewer->view() ), this );
    if (message())
      message()->readConfig();
    update( true ); // Force update
    return true;
  }
  return QWidget::event(e);
}


//-----------------------------------------------------------------------------
void KMReaderWin::readConfig(void)
{
  const KConfigGroup mdnGroup( KMKernel::config(), "MDN" );
  /*should be: const*/ KConfigGroup reader( KMKernel::config(), "Reader" );

  delete mCSSHelper;
  mCSSHelper = new CSSHelper( QPaintDeviceMetrics( mViewer->view() ), this );

  mNoMDNsWhenEncrypted = mdnGroup.readBoolEntry( "not-send-when-encrypted", true );

  // initialize useFixedFont from the saved value; the corresponding toggle
  // action is initialized in the main window
  mUseFixedFont = reader.readBoolEntry( "useFixedFont", false );
  mHtmlMail = reader.readBoolEntry( "htmlMail", false );
  setHeaderStyleAndStrategy( HeaderStyle::create( reader.readEntry( "header-style", "fancy" ) ),
                       HeaderStrategy::create( reader.readEntry( "header-set-displayed", "rich" ) ) );

  mAttachmentStrategy =
    AttachmentStrategy::create( reader.readEntry( "attachment-strategy" ) );

  mViewer->setOnlyLocalReferences( !reader.readBoolEntry( "htmlLoadExternal", false ) );

  // if the user uses OpenPGP then the color bar defaults to enabled
  // else it defaults to disabled
  mShowColorbar = reader.readBoolEntry( "showColorbar", Kpgp::Module::getKpgp()->usePGP() );
  // if the value defaults to enabled and KMail (with color bar) is used for
  // the first time the config dialog doesn't know this if we don't save the
  // value now
  reader.writeEntry( "showColorbar", mShowColorbar );

  mMimeTreeAtBottom = reader.readEntry( "MimeTreeLocation", "bottom" ) != "top";
  const QString s = reader.readEntry( "MimeTreeMode", "smart" );
  if ( s == "never" )
    mMimeTreeMode = 0;
  else if ( s == "always" )
    mMimeTreeMode = 2;
  else
    mMimeTreeMode = 1;

  const int mimeH = reader.readNumEntry( "MimePaneHeight", 100 );
  const int messageH = reader.readNumEntry( "MessagePaneHeight", 180 );
  mSplitterSizes.clear();
  if ( mMimeTreeAtBottom )
    mSplitterSizes << messageH << mimeH;
  else
    mSplitterSizes << mimeH << messageH;

  adjustLayout();

  if (message())
    update();
  KMMessage::readConfig();
}


void KMReaderWin::adjustLayout() {
  if ( mMimeTreeAtBottom )
    mSplitter->moveToLast( mMimePartTree );
  else
    mSplitter->moveToFirst( mMimePartTree );
  mSplitter->setSizes( mSplitterSizes );

  if ( mMimeTreeMode == 2 && mMsgDisplay )
    mMimePartTree->show();
  else
    mMimePartTree->hide();

  if ( mShowColorbar && mMsgDisplay )
    mColorBar->show();
  else
    mColorBar->hide();
}


void KMReaderWin::saveSplitterSizes( KConfigBase & c ) const {
  if ( !mSplitter || !mMimePartTree )
    return;
  if ( mMimePartTree->isHidden() )
    return; // don't rely on QSplitter maintaining sizes for hidden widgets.

  c.writeEntry( "MimePaneHeight", mSplitter->sizes()[ mMimeTreeAtBottom ? 1 : 0 ] );
  c.writeEntry( "MessagePaneHeight", mSplitter->sizes()[ mMimeTreeAtBottom ? 0 : 1 ] );
}

//-----------------------------------------------------------------------------
void KMReaderWin::writeConfig( bool sync ) const {
  KConfigGroup reader( KMKernel::config(), "Reader" );

  reader.writeEntry( "useFixedFont", mUseFixedFont );
  if ( headerStyle() )
    reader.writeEntry( "header-style", headerStyle()->name() );
  if ( headerStrategy() )
    reader.writeEntry( "header-set-displayed", headerStrategy()->name() );
  if ( attachmentStrategy() )
    reader.writeEntry( "attachment-strategy", attachmentStrategy()->name() );

  saveSplitterSizes( reader );

  if ( sync )
    kmkernel->slotRequestConfigSync();
}

//-----------------------------------------------------------------------------
void KMReaderWin::initHtmlWidget(void)
{
  mViewer->widget()->setFocusPolicy(WheelFocus);
  // Let's better be paranoid and disable plugins (it defaults to enabled):
  mViewer->setPluginsEnabled(false);
  mViewer->setJScriptEnabled(false); // just make this explicit
  mViewer->setJavaEnabled(false);    // just make this explicit
  mViewer->setMetaRefreshEnabled(false);
  mViewer->setURLCursor(KCursor::handCursor());
  // Espen 2000-05-14: Getting rid of thick ugly frames
  mViewer->view()->setLineWidth(0);

  if ( !htmlWriter() )
#ifdef KMAIL_READER_HTML_DEBUG
    mHtmlWriter = new TeeHtmlWriter( new FileHtmlWriter( QString::null ),
                             new KHtmlPartHtmlWriter( mViewer, 0 ) );
#else
    mHtmlWriter = new KHtmlPartHtmlWriter( mViewer, 0 );
#endif

  connect(mViewer->browserExtension(),
          SIGNAL(openURLRequest(const KURL &, const KParts::URLArgs &)),this,
          SLOT(slotUrlOpen(const KURL &)));
  connect(mViewer->browserExtension(),
          SIGNAL(createNewWindow(const KURL &, const KParts::URLArgs &)),this,
          SLOT(slotUrlOpen(const KURL &)));
  connect(mViewer,SIGNAL(onURL(const QString &)),this,
          SLOT(slotUrlOn(const QString &)));
  connect(mViewer,SIGNAL(popupMenu(const QString &, const QPoint &)),
          SLOT(slotUrlPopup(const QString &, const QPoint &)));
  connect( kmkernel->imProxy(), SIGNAL( sigContactPresenceChanged( const QString & ) ),
          this, SLOT( contactStatusChanged( const QString & ) ) );
  connect( kmkernel->imProxy(), SIGNAL( sigPresenceInfoExpired() ),
          this, SLOT( updateReaderWin() ) );
}

void KMReaderWin::contactStatusChanged( const QString &uid)
{
      kdDebug( 5006 ) << k_funcinfo << " got a presence change for " << uid << endl;
      // get the list of nodes for this contact from the htmlView
      DOM::NodeList presenceNodes = mViewer->htmlDocument()
        .getElementsByName( DOM::DOMString( QString::fromLatin1("presence-") + uid ) );
      for ( unsigned int i = 0; i < presenceNodes.length(); ++i )
      {
            DOM::Node n =  presenceNodes.item( i );
            kdDebug( 5006 ) << "name is " << n.nodeName().string() << endl;
            kdDebug( 5006 ) << "value of content was " << n.firstChild().nodeValue().string() << endl;
        QString newPresence = kmkernel->imProxy()->presenceString( uid );
            if ( newPresence.isNull() ) // KHTML crashes if you setNodeValue( QString::null )
                  newPresence = QString::fromLatin1( "ENOIMRUNNING" );
            n.firstChild().setNodeValue( newPresence );
        kdDebug( 5006 ) << "value of content is now " << n.firstChild().nodeValue().string() << endl;
      }
      kdDebug( 5006 ) << "and we updated the above presence nodes" << uid << endl;
}

void KMReaderWin::setAttachmentStrategy( const AttachmentStrategy * strategy ) {
  mAttachmentStrategy = strategy ? strategy : AttachmentStrategy::smart() ;
  update( true );
}

void KMReaderWin::setHeaderStyleAndStrategy( const HeaderStyle * style,
                                   const HeaderStrategy * strategy ) {
  mHeaderStyle = style ? style : HeaderStyle::fancy() ;
  mHeaderStrategy = strategy ? strategy : HeaderStrategy::rich() ;
  update( true );
}

void KMReaderWin::setOverrideCodec( const QTextCodec * codec ) {
  if ( mOverrideCodec == codec )
    return;
  mOverrideCodec = codec;
  update( true );
}

//-----------------------------------------------------------------------------
void KMReaderWin::setMsg(KMMessage* aMsg, bool force)
{
  if (aMsg)
      kdDebug(5006) << "(" << aMsg->getMsgSerNum() << ", last " << mLastSerNum << ") " << aMsg->subject() << " "
        << aMsg->fromStrip() << ", readyToShow " << (aMsg->readyToShow()) << endl;

  bool complete = true;
  if ( aMsg &&
       !aMsg->readyToShow() &&
       (aMsg->getMsgSerNum() != mLastSerNum) &&
       !aMsg->isComplete() )
    complete = false;

  // If not forced and there is aMsg and aMsg is same as mMsg then return
  if (!force && aMsg && mLastSerNum != 0 && aMsg->getMsgSerNum() == mLastSerNum)
    return;

  // (de)register as observer
  if (aMsg && message())
    message()->detach( this );
  if (aMsg)
    aMsg->attach( this );
  mAtmUpdate = false;

  // connect to the updates if we have hancy headers

  mDelayedMarkTimer.stop();

  mLastSerNum = (aMsg) ? aMsg->getMsgSerNum() : 0;
  if ( !aMsg ) mWaitingForSerNum = 0; // otherwise it has been set

  // assume if a serial number exists it can be used to find the assoc KMMessage
  if (mLastSerNum <= 0)
    mMessage = aMsg;
  else
    mMessage = 0;
  if (message() != aMsg) {
    mMessage = aMsg;
    mLastSerNum = 0; // serial number was invalid
    Q_ASSERT(0);
  }

  if (aMsg) {
    aMsg->setOverrideCodec( overrideCodec() );
    aMsg->setDecodeHTML( htmlMail() );
    mLastStatus = aMsg->status();
    // FIXME: workaround to disable DND for IMAP load-on-demand
    if ( !aMsg->isComplete() )
      mViewer->setDNDEnabled( false );
    else
      mViewer->setDNDEnabled( true );
  } else {
    mLastStatus = KMMsgStatusUnknown;
  }

  // only display the msg if it is complete
  // otherwise we'll get flickering with progressively loaded messages
  if ( complete )
  {
    // Avoid flicker, somewhat of a cludge
    if (force) {
      // stop the timer to avoid calling updateReaderWin twice
      updateReaderWinTimer.stop();
      updateReaderWin();
    }
    else if (updateReaderWinTimer.isActive())
      updateReaderWinTimer.changeInterval( delay );
    else
      updateReaderWinTimer.start( 0, TRUE );
  }

  if ( GlobalSettings::delayedMarkAsRead() ) {
    if ( GlobalSettings::delayedMarkTime() != 0 )
      mDelayedMarkTimer.start( GlobalSettings::delayedMarkTime() * 1000, TRUE );
    else
      slotTouchMessage();
  }
}

//-----------------------------------------------------------------------------
void KMReaderWin::clearCache()
{
  updateReaderWinTimer.stop();
  clear();
  mDelayedMarkTimer.stop();
  mLastSerNum = 0;
  mWaitingForSerNum = 0;
  mMessage = 0;
}

// enter items for the "Important changes" list here:
static const char * const kmailChanges[] = {
  I18N_NOOP("Support for 3rd-party CryptPlugs has been discontinued. "
          "Support for the GnuPG cryptographic backend is now included "
          "directly in KMail.")
};
static const int numKMailChanges =
  sizeof kmailChanges / sizeof *kmailChanges;

// enter items for the "new features" list here, so the main body of
// the welcome page can be left untouched (probably much easier for
// the translators). Note that the <li>...</li> tags are added
// automatically below:
static const char * const kmailNewFeatures[] = {
  I18N_NOOP( "Antispam wizard" ),
  I18N_NOOP( "Filter log" ),
  I18N_NOOP( "Quick search" ),
  I18N_NOOP( "Automatic mailing-list detection" ),
  I18N_NOOP( "View/open message files" ),
  I18N_NOOP( "HTML message composing" ),
  I18N_NOOP( "New filter criteria: in address book, in category, has attachment" ),
  I18N_NOOP("Cryptographic backend auto-configuration"),
  I18N_NOOP("Sign/encrypt key separation"),
  I18N_NOOP("Per-identity S/MIME key preselection"),
  I18N_NOOP("Per-identity cryptographic message format preselection"),
  I18N_NOOP("Per-contact crypto preferences"),
  I18N_NOOP("List only opened IMAP folders"),
};
static const int numKMailNewFeatures =
  sizeof kmailNewFeatures / sizeof *kmailNewFeatures;


//-----------------------------------------------------------------------------
//static
QString KMReaderWin::newFeaturesMD5()
{
  QCString str;
  for ( int i = 0 ; i < numKMailChanges ; ++i )
    str += kmailChanges[i];
  for ( int i = 0 ; i < numKMailNewFeatures ; ++i )
    str += kmailNewFeatures[i];
  KMD5 md5( str );
  return md5.base64Digest();
}

//-----------------------------------------------------------------------------
void KMReaderWin::displayAboutPage()
{
  mMsgDisplay = false;
  adjustLayout();

  QString location = locate("data", "kmail/about/main.html");
  QString content = KPIM::kFileToString(location);
  mViewer->begin(KURL( location ));
  QString info =
    i18n("%1: KMail version; %2: help:// URL; %3: homepage URL; "
       "%4: prior KMail version; %5: prior KDE version; "
       "%6: generated list of new features; "
       "%7: First-time user text (only shown on first start); "
       "%8: prior KMail version; "
         "%9: generated list of important changes; "
       "--- end of comment ---",
       "<h2>Welcome to KMail %1</h2><p>KMail is the email client for the K "
       "Desktop Environment. It is designed to be fully compatible with "
       "Internet mailing standards including MIME, SMTP, POP3 and IMAP."
       "</p>\n"
       "<ul><li>KMail has many powerful features which are described in the "
       "<a href=\"%2\">documentation</a></li>\n"
       "<li>The <a href=\"%3\">KMail homepage</A> offers information about "
       "new versions of KMail</li></ul>\n"
         "<p><span style='font-size:125%; font-weight:bold;'>"
         "Important changes</span> (compared to KMail %8):</p>\n"
       "<ul>\n%9</ul>\n"
       "<p>Some of the new features in this release of KMail include "
       "(compared to KMail %4, which is part of KDE %5):</p>\n"
       "<ul>\n%6</ul>\n"
       "%7\n"
       "<p>We hope that you will enjoy KMail.</p>\n"
       "<p>Thank you,</p>\n"
       "<p>&nbsp; &nbsp; The KMail Team</p>")
    .arg(KMAIL_VERSION) // KMail version
    .arg("help:/kmail/index.html") // KMail help:// URL
    .arg("http://kmail.kde.org/") // KMail homepage URL
    .arg("1.6").arg("3.2"); // prior KMail and KDE version

  QString featureItems;
  for ( int i = 0 ; i < numKMailNewFeatures ; i++ )
    featureItems += i18n("<li>%1</li>\n").arg( i18n( kmailNewFeatures[i] ) );

  info = info.arg( featureItems );

  if( kmkernel->firstStart() ) {
    info = info.arg( i18n("<p>Please take a moment to fill in the KMail "
                    "configuration panel at Settings-&gt;Configure "
                    "KMail.\n"
                    "You need to create at least a default identity and "
                    "an incoming as well as outgoing mail account."
                    "</p>\n") );
  } else {
    info = info.arg( QString::null );
  }

  QString changesItems;
  for ( int i = 0 ; i < numKMailChanges ; i++ )
    changesItems += i18n("<li>%1</li>\n").arg( i18n( kmailChanges[i] ) );

  info = info.arg("1.6").arg( changesItems );

  mViewer->write(content.arg(pointsToPixel( mCSSHelper->bodyFont().pointSize() )).arg(info));
  mViewer->end();
}

void KMReaderWin::enableMsgDisplay() {
  mMsgDisplay = true;
  adjustLayout();
}


//-----------------------------------------------------------------------------

void KMReaderWin::updateReaderWin()
{
  if (!mMsgDisplay) return;

  htmlWriter()->reset();

  KMFolder* folder;
  if (message(&folder))
  {
    if( !kmkernel->iCalIface().isResourceImapFolder( folder ) ){
      if ( mShowColorbar )
        mColorBar->show();
      else
        mColorBar->hide();
      displayMessage();
    }
  }
  else
  {
    mColorBar->hide();
    mMimePartTree->hide();
    mMimePartTree->clear();
    htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
    htmlWriter()->write( mCSSHelper->htmlHead( isFixedFont() ) + "</body></html>" );
    htmlWriter()->end();
  }
}

//-----------------------------------------------------------------------------
int KMReaderWin::pointsToPixel(int pointSize) const
{
  const QPaintDeviceMetrics pdm(mViewer->view());

  return (pointSize * pdm.logicalDpiY() + 36) / 72;
}

//-----------------------------------------------------------------------------
void KMReaderWin::showHideMimeTree( bool isPlainTextTopLevel ) {
  if ( mMimeTreeMode == 2 ||
       ( mMimeTreeMode == 1 && !isPlainTextTopLevel ) )
    mMimePartTree->show();
  else {
    // don't rely on QSplitter maintaining sizes for hidden widgets:
    KConfigGroup reader( KMKernel::config(), "Reader" );
    saveSplitterSizes( reader );
    mMimePartTree->hide();
  }
}

void KMReaderWin::displayMessage() {
  KMMessage * msg = message();

  mMimePartTree->clear();
  showHideMimeTree( !msg || // treat no message as "text/plain"
                ( msg->type() == DwMime::kTypeText
                  && msg->subtype() == DwMime::kSubtypePlain ) );

  if ( !msg )
    return;

  msg->setOverrideCodec( overrideCodec() );

  htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
  htmlWriter()->queue( mCSSHelper->htmlHead( isFixedFont() ) );

  if (!parent())
    setCaption(msg->subject());

  removeTempFiles();

  mColorBar->setNeutralMode();

  parseMsg(msg);

  if( mColorBar->isNeutral() )
    mColorBar->setNormalMode();

  htmlWriter()->queue("</body></html>");
  htmlWriter()->flush();
}


//-----------------------------------------------------------------------------
void KMReaderWin::parseMsg(KMMessage* aMsg)
{
#ifndef NDEBUG
  kdDebug( 5006 )
    << "parseMsg(KMMessage* aMsg "
    << ( aMsg == message() ? "==" : "!=" )
    << " aMsg )" << endl;
#endif

  KMMessagePart msgPart;
  QCString subtype, contDisp;
  QByteArray str;

  assert(aMsg!=0);

  delete mRootNode;
  mRootNode = partNode::fromMessage( aMsg );
  const QCString mainCntTypeStr = mRootNode->typeString() + '/' + mRootNode->subTypeString();

  QString cntDesc = aMsg->subject();
  if( cntDesc.isEmpty() )
    cntDesc = i18n("( body part )");
  KIO::filesize_t cntSize = aMsg->msgSize();
  QString cntEnc;
  if( aMsg->contentTransferEncodingStr().isEmpty() )
    cntEnc = "7bit";
  else
    cntEnc = aMsg->contentTransferEncodingStr();

  // fill the MIME part tree viewer
  mRootNode->fillMimePartTree( 0,
                         mMimePartTree,
                         cntDesc,
                         mainCntTypeStr,
                         cntEnc,
                         cntSize );

  partNode* vCardNode = mRootNode->findType( DwMime::kTypeText, DwMime::kSubtypeXVCard );
  bool hasVCard = false;
  if( vCardNode ) {
    // ### FIXME: We should only do this if the vCard belongs to the sender,
    // ### i.e. if the sender's email address is contained in the vCard.
    const QString vcard = vCardNode->msgPart().bodyToUnicode( overrideCodec() );
    KABC::VCardConverter t;
    if ( !t.parseVCards( vcard ).empty() ) {
      hasVCard = true;
      kdDebug(5006) << "FOUND A VALID VCARD" << endl;
      writeMessagePartToTempFile( &vCardNode->msgPart(), vCardNode->nodeId() );
    }
  }
  htmlWriter()->queue( writeMsgHeader(aMsg, hasVCard) );

  // show message content
  ObjectTreeParser otp( this );
  otp.parseObjectTree( mRootNode );

  // store encrypted/signed status information in the KMMessage
  //  - this can only be done *after* calling parseObjectTree()
  KMMsgEncryptionState encryptionState = mRootNode->overallEncryptionState();
  KMMsgSignatureState  signatureState  = mRootNode->overallSignatureState();
  aMsg->setEncryptionState( encryptionState );
  aMsg->setSignatureState(  signatureState  );

  bool emitReplaceMsgByUnencryptedVersion = false;
  const KConfigGroup reader( KMKernel::config(), "Reader" );
  if ( reader.readBoolEntry( "store-displayed-messages-unencrypted", false ) ) {

    // Hack to make sure the S/MIME CryptPlugs follows the strict requirement
    // of german government:
    // --> All received encrypted messages *must* be stored in unencrypted form
    //     after they have been decrypted once the user has read them.
    //     ( "Aufhebung der Verschluesselung nach dem Lesen" )
    //
    // note: Since there is no configuration option for this, we do that for
    //       all kinds of encryption now - *not* just for S/MIME.
    //       This could be changed in the objectTreeToDecryptedMsg() function
    //       by deciding when (or when not, resp.) to set the 'dataNode' to
    //       something different than 'curNode'.

kdDebug(5006) << "\n\n\nKMReaderWin::parseMsg()  -  special post-encryption handling:\n1." << endl;
/*
kdDebug(5006) << "(aMsg == msg) = "                               << (aMsg == message()) << endl;
kdDebug(5006) << "   (KMMsgStatusUnknown & mLastStatus) = "           << (KMMsgStatusUnknown & mLastStatus) << endl;
kdDebug(5006) << "|| (KMMsgStatusNew     & mLastStatus) = "           << (KMMsgStatusNew     & mLastStatus) << endl;
kdDebug(5006) << "|| (KMMsgStatusUnread  & mLastStatus) = "           << (KMMsgStatusUnread  & mLastStatus) << endl;
kdDebug(5006) << "(mIdOfLastViewedMessage != aMsg->msgId()) = "    << (mIdOfLastViewedMessage != aMsg->msgId()) << endl;
kdDebug(5006) << "   (KMMsgFullyEncrypted == encryptionState) = "     << (KMMsgFullyEncrypted == encryptionState) << endl;
kdDebug(5006) << "|| (KMMsgPartiallyEncrypted == encryptionState) = " << (KMMsgPartiallyEncrypted == encryptionState) << endl;
*/
    // only proceed if we were called the normal way - not by
    // double click on the message (==not running in a separate window)
    if(    (aMsg == message())
          // only proceed if this message was not saved encryptedly before
          // to make sure only *new* messages are saved in decrypted form
        && ((KMMsgStatusUnknown | KMMsgStatusNew | KMMsgStatusUnread) & mLastStatus)
          // avoid endless recursions
        && (mIdOfLastViewedMessage != aMsg->msgId())
          // only proceed if this message is (at least partially) encrypted
        && (    (KMMsgFullyEncrypted == encryptionState)
             || (KMMsgPartiallyEncrypted == encryptionState) ) ) {

kdDebug(5006) << "KMReaderWin  -  calling objectTreeToDecryptedMsg()" << endl;

      NewByteArray decryptedData;
      // note: The following call may change the message's headers.
      objectTreeToDecryptedMsg( mRootNode, decryptedData, *aMsg );
      // add a \0 to the data
      decryptedData.appendNULL();
      QCString resultString( decryptedData.data() );
kdDebug(5006) << "KMReaderWin  -  resulting data:" << resultString << endl;

      if( !resultString.isEmpty() ) {
kdDebug(5006) << "KMReaderWin  -  composing unencrypted message" << endl;
        // try this:
        aMsg->setBody( resultString );
        KMMessage* unencryptedMessage = new KMMessage( *aMsg );
        // because this did not work:
        /*
        DwMessage dwMsg( DwString( aMsg->asString() ) );
        dwMsg.Body() = DwBody( DwString( resultString.data() ) );
        dwMsg.Body().Parse();
        KMMessage* unencryptedMessage = new KMMessage( &dwMsg );
        */
kdDebug(5006) << "KMReaderWin  -  resulting message:" << unencryptedMessage->asString() << endl;
kdDebug(5006) << "KMReaderWin  -  attach unencrypted message to aMsg" << endl;
        aMsg->setUnencryptedMsg( unencryptedMessage );
        emitReplaceMsgByUnencryptedVersion = true;
      }
    }
  }

  // save current main Content-Type before deleting mRootNode
  const int rootNodeCntType = mRootNode ? mRootNode->type() : DwMime::kTypeText;
  const int rootNodeCntSubtype = mRootNode ? mRootNode->subType() : DwMime::kSubtypePlain;

  // store message id to avoid endless recursions
  setIdOfLastViewedMessage( aMsg->msgId() );

  if( emitReplaceMsgByUnencryptedVersion ) {
    kdDebug(5006) << "KMReaderWin  -  invoce saving in decrypted form:" << endl;
    emit replaceMsgByUnencryptedVersion();
  } else {
    kdDebug(5006) << "KMReaderWin  -  finished parsing and displaying of message." << endl;
    showHideMimeTree( rootNodeCntType == DwMime::kTypeText &&
                  rootNodeCntSubtype == DwMime::kSubtypePlain );
  }
}


//-----------------------------------------------------------------------------
QString KMReaderWin::writeMsgHeader(KMMessage* aMsg, bool hasVCard)
{
  kdFatal( !headerStyle(), 5006 )
    << "trying to writeMsgHeader() without a header style set!" << endl;
  kdFatal( !headerStrategy(), 5006 )
    << "trying to writeMsgHeader() without a header strategy set!" << endl;
  QString href;
  if (hasVCard)
    href = QString("file:") + KURL::encode_string( mTempFiles.last() );

  return headerStyle()->format( aMsg, headerStrategy(), href, mPrinting );
}



//-----------------------------------------------------------------------------
QString KMReaderWin::writeMessagePartToTempFile( KMMessagePart* aMsgPart,
                                                 int aPartNum )
{
  QString fileName = aMsgPart->fileName();
  if( fileName.isEmpty() )
    fileName = aMsgPart->name();

  //--- Sven's save attachments to /tmp start ---
  KTempFile *tempFile = new KTempFile( QString::null,
                                       "." + QString::number( aPartNum ) );
  tempFile->setAutoDelete( true );
  QString fname = tempFile->name();
  delete tempFile;

  if( ::access( QFile::encodeName( fname ), W_OK ) != 0 )
    // Not there or not writable
    if( ::mkdir( QFile::encodeName( fname ), 0 ) != 0
        || ::chmod( QFile::encodeName( fname ), S_IRWXU ) != 0 )
      return QString::null; //failed create

  assert( !fname.isNull() );

  mTempDirs.append( fname );
  // strip off a leading path
  int slashPos = fileName.findRev( '/' );
  if( -1 != slashPos )
    fileName = fileName.mid( slashPos + 1 );
  if( fileName.isEmpty() )
    fileName = "unnamed";
  fname += "/" + fileName;

  QByteArray data = aMsgPart->bodyDecodedBinary();
  size_t size = data.size();
  if ( aMsgPart->type() == DwMime::kTypeText && size) {
    // convert CRLF to LF before writing text attachments to disk
    size = KMFolder::crlf2lf( data.data(), size );
  }
  if( !KPIM::kBytesToFile( data.data(), size, fname, false, false, false ) )
    return QString::null;

  mTempFiles.append( fname );
  // make file read-only so that nobody gets the impression that he might
  // edit attached files (cf. bug #52813)
  ::chmod( QFile::encodeName( fname ), S_IRUSR );

  return fname;
}


//-----------------------------------------------------------------------------
void KMReaderWin::showVCard( KMMessagePart * msgPart ) {
  const QString vCard = msgPart->bodyToUnicode( overrideCodec() );

  VCardViewer *vcv = new VCardViewer(this, vCard, "vCardDialog");
  vcv->show();
}

//-----------------------------------------------------------------------------
void KMReaderWin::printMsg()
{
  if (!message()) return;
  mViewer->view()->print();
}


//-----------------------------------------------------------------------------
int KMReaderWin::msgPartFromUrl(const KURL &aUrl)
{
  if (aUrl.isEmpty()) return -1;

  if (!aUrl.isLocalFile()) return -1;

  QString path = aUrl.path();
  uint right = path.findRev('/');
  uint left = path.findRev('.', right);

  bool ok;
  int res = path.mid(left + 1, right - left - 1).toInt(&ok);
  return (ok) ? res : -1;
}


//-----------------------------------------------------------------------------
void KMReaderWin::resizeEvent(QResizeEvent *)
{
  if( !mResizeTimer.isActive() )
  {
    //
    // Combine all resize operations that are requested as long a
    // the timer runs.
    //
    mResizeTimer.start( 100, true );
  }
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotDelayedResize()
{
  mSplitter->setGeometry(0, 0, width(), height());
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotTouchMessage()
{
  if ( !message() )
    return;

  if ( !message()->isNew() && !message()->isUnread() )
    return;

  SerNumList serNums;
  serNums.append( message()->getMsgSerNum() );
  KMCommand *command = new KMSetStatusCommand( KMMsgStatusRead, serNums );
  command->start();
  if ( mNoMDNsWhenEncrypted &&
       message()->encryptionState() != KMMsgNotEncrypted &&
       message()->encryptionState() != KMMsgEncryptionStateUnknown )
    return;
  if ( KMMessage * receipt = message()->createMDN( MDN::ManualAction,
                                       MDN::Displayed,
                                       true /* allow GUI */ ) )
    if ( !kmkernel->msgSender()->send( receipt ) ) // send or queue
      KMessageBox::error( this, i18n("Could not send MDN.") );
}


//-----------------------------------------------------------------------------
void KMReaderWin::closeEvent(QCloseEvent *e)
{
  QWidget::closeEvent(e);
  writeConfig();
}


bool foundSMIMEData( const QString aUrl,
                     QString& displayName,
                     QString& libName,
                     QString& keyId )
{
  static QString showCertMan("showCertificate#");
  displayName = "";
  libName = "";
  keyId = "";
  int i1 = aUrl.find( showCertMan );
  if( -1 < i1 ) {
    i1 += showCertMan.length();
    int i2 = aUrl.find(" ### ", i1);
    if( i1 < i2 )
    {
      displayName = aUrl.mid( i1, i2-i1 );
      i1 = i2+5;
      i2 = aUrl.find(" ### ", i1);
      if( i1 < i2 )
      {
        libName = aUrl.mid( i1, i2-i1 );
        i2 += 5;

        keyId = aUrl.mid( i2 );
        /*
        int len = aUrl.length();
        if( len > i2+1 ) {
          keyId = aUrl.mid( i2, 2 );
          i2 += 2;
          while( len > i2+1 ) {
            keyId += ':';
            keyId += aUrl.mid( i2, 2 );
            i2 += 2;
          }
        }
        */
      }
    }
  }
  return !keyId.isEmpty();
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotUrlOn(const QString &aUrl)
{
  if ( aUrl.stripWhiteSpace().isEmpty() ) {
    KPIM::BroadcastStatus::instance()->reset();
    return;
  }

  const KURL url(aUrl);
  mUrlClicked = url;

  const QString msg = URLHandlerManager::instance()->statusBarMessage( url, this );

  kdWarning( msg.isEmpty(), 5006 ) << "KMReaderWin::slotUrlOn(): Unhandled URL hover!" << endl;
  KPIM::BroadcastStatus::instance()->setTransientStatusMsg( msg );
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotUrlOpen(const KURL &aUrl, const KParts::URLArgs &)
{
  mUrlClicked = aUrl;

  if ( URLHandlerManager::instance()->handleClick( aUrl, this ) )
    return;

  kdWarning( 5006 ) << "KMReaderWin::slotOpenUrl(): Unhandled URL click!" << endl;
  emit urlClicked( aUrl, Qt::LeftButton );
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotUrlPopup(const QString &aUrl, const QPoint& aPos)
{
  const KURL url( aUrl );
  mUrlClicked = url;

  if ( URLHandlerManager::instance()->handleContextMenuRequest( url, aPos, this ) )
    return;

  if ( message() ) {
    kdWarning( 5006 ) << "KMReaderWin::slotUrlPopup(): Unhandled URL right-click!" << endl;
    emit popupMenu( *message(), url, aPos );
  }
}

void KMReaderWin::showAttachmentPopup( int id, const QString & name, const QPoint & p ) {
  mAtmCurrent = id;
  mAtmCurrentName = name;
  KPopupMenu *menu = new KPopupMenu();
  menu->insertItem(SmallIcon("fileopen"),i18n("Open"), 1);
  menu->insertItem(i18n("Open With..."), 2);
  menu->insertItem(i18n("to view something", "View"), 3);
  menu->insertItem(SmallIcon("filesaveas"),i18n("Save As..."), 4);
  menu->insertItem(i18n("Properties"), 5);
  connect(menu, SIGNAL(activated(int)), this, SLOT(slotAtmLoadPart(int)));
  menu->exec( p ,0 );
  delete menu;
}

//-----------------------------------------------------------------------------
void KMReaderWin::setStyleDependantFrameWidth()
{
  if ( !mBox )
    return;
  // set the width of the frame to a reasonable value for the current GUI style
  int frameWidth;
  if( style().isA("KeramikStyle") )
    frameWidth = style().pixelMetric( QStyle::PM_DefaultFrameWidth ) - 1;
  else
    frameWidth = style().pixelMetric( QStyle::PM_DefaultFrameWidth );
  if ( frameWidth < 0 )
    frameWidth = 0;
  if ( frameWidth != mBox->lineWidth() )
    mBox->setLineWidth( frameWidth );
}

//-----------------------------------------------------------------------------
void KMReaderWin::styleChange( QStyle& oldStyle )
{
  setStyleDependantFrameWidth();
  QWidget::styleChange( oldStyle );
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotAtmLoadPart( int choice )
{
  mChoice = choice;

  partNode* node = mRootNode ? mRootNode->findId( mAtmCurrent ) : 0;
  if ( node && !node->msgPart().isComplete() )
  {
    // load the part
    mAtmUpdate = true;
    KMLoadPartsCommand *command = new KMLoadPartsCommand( node, message() );
    connect( command, SIGNAL( partsRetrieved() ),
        this, SLOT( slotAtmDistributeClick() ) );
    command->start();
  } else
    slotAtmDistributeClick();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotAtmDistributeClick()
{
  switch ( mChoice )
  {
    case 1:
      slotAtmOpen();
      break;
    case 2:
      slotAtmOpenWith();
      break;
    case 3:
      slotAtmView();
      break;
    case 4:
      slotAtmSave();
      break;
    case 5:
      slotAtmProperties();
      break;
    default: kdWarning(5006) << "unknown menu item " << mChoice << endl;
  }
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotFind()
{
  //dnaber:
  KAction *act = mViewer->actionCollection()->action("find");
  if( act )
    act->activate();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotToggleFixedFont()
{
  mUseFixedFont = !mUseFixedFont;
  update(true);
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotCopySelectedText()
{
  kapp->clipboard()->setText( mViewer->selectedText() );
}


//-----------------------------------------------------------------------------
void KMReaderWin::atmViewMsg(KMMessagePart* aMsgPart)
{
  assert(aMsgPart!=0);
  partNode* node = mRootNode ? mRootNode->findId( mAtmCurrent ) : 0;
  KMMessage* msg;
  if (node && node->dwPart()->Body().Message()) {
    // make a deep copy
    msg = new KMMessage( new DwMessage(*node->dwPart()->Body().Message()) );
  } else {
    msg = new KMMessage;
    msg->fromString(aMsgPart->bodyDecoded());
  }
  assert(msg != 0);
  // some information that is needed for imap messages with LOD
  msg->setParent( message()->parent() );
  msg->setUID(message()->UID());
  msg->setReadyToShow(true);
  KMReaderMainWin *win = new KMReaderMainWin();
  win->showMsg( overrideCodec(), msg );
  win->show();
}


void KMReaderWin::setMsgPart( partNode * node ) {
  htmlWriter()->reset();
  mColorBar->hide();
  htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
  htmlWriter()->write( mCSSHelper->htmlHead( isFixedFont() ) );
  // end ###
  if ( node ) {
    ObjectTreeParser otp( this, 0, true );
    otp.parseObjectTree( node );
  }
  // ### this, too
  htmlWriter()->queue( "</body></html>" );
  htmlWriter()->flush();
}

//-----------------------------------------------------------------------------
void KMReaderWin::setMsgPart( KMMessagePart* aMsgPart, bool aHTML,
                        const QString& aFileName, const QString& pname )
{
  KCursorSaver busy(KBusyPtr::busy());
  if (qstricmp(aMsgPart->typeStr(), "message")==0) {
      // if called from compose win
      KMMessage* msg = new KMMessage;
      assert(aMsgPart!=0);
      msg->fromString(aMsgPart->bodyDecoded());
      mMainWindow->setCaption(msg->subject());
      setMsg(msg, true);
      setAutoDelete(true);
  } else if (qstricmp(aMsgPart->typeStr(), "text")==0) {
      if (qstricmp(aMsgPart->subtypeStr(), "x-vcard") == 0) {
        showVCard( aMsgPart );
      return;
      }
      htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
      htmlWriter()->queue( mCSSHelper->htmlHead( isFixedFont() ) );

      if (aHTML && (qstricmp(aMsgPart->subtypeStr(), "html")==0)) { // HTML
      // ### this is broken. It doesn't stip off the HTML header and footer!
      htmlWriter()->queue( aMsgPart->bodyToUnicode( overrideCodec() ) );
      mColorBar->setHtmlMode();
      } else { // plain text
      const QCString str = aMsgPart->bodyDecoded();
      ObjectTreeParser otp( this );
      otp.writeBodyStr( str,
                    overrideCodec() ? overrideCodec() : aMsgPart->codec(),
                    message() ? message()->from() : QString::null );
      }
      htmlWriter()->queue("</body></html>");
      htmlWriter()->flush();
      mMainWindow->setCaption(i18n("View Attachment: %1").arg(pname));
  } else if (qstricmp(aMsgPart->typeStr(), "image")==0 ||
             (qstricmp(aMsgPart->typeStr(), "application")==0 &&
              qstricmp(aMsgPart->subtypeStr(), "postscript")==0))
  {
      if (aFileName.isEmpty()) return;  // prevent crash
      // Open the window with a size so the image fits in (if possible):
      QImageIO *iio = new QImageIO();
      iio->setFileName(aFileName);
      if( iio->read() ) {
          QImage img = iio->image();
          QRect desk = KGlobalSettings::desktopGeometry(mMainWindow);
          // determine a reasonable window size
          int width, height;
          if( img.width() < 50 )
              width = 70;
          else if( img.width()+20 < desk.width() )
              width = img.width()+20;
          else
              width = desk.width();
          if( img.height() < 50 )
              height = 70;
          else if( img.height()+20 < desk.height() )
              height = img.height()+20;
          else
              height = desk.height();
          mMainWindow->resize( width, height );
      }
      // Just write the img tag to HTML:
      htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
      htmlWriter()->write( mCSSHelper->htmlHead( isFixedFont() ) );
      htmlWriter()->write( "<img src=\"file:" +
                     KURL::encode_string( aFileName ) +
                     "\" border=\"0\">\n"
                     "</body></html>\n" );
      htmlWriter()->end();
      setCaption( i18n("View Attachment: %1").arg( pname ) );
      show();
  } else {
      MailSourceViewer *viewer = new MailSourceViewer(); // deletes itself
      QString str = aMsgPart->bodyDecoded();
      // A QString cannot handle binary data. So if it's shorter than the
      // attachment, we assume the attachment is binary:
      if( str.length() < (unsigned) aMsgPart->decodedSize() ) {
        str += QString::fromLatin1("\n") + i18n("[KMail: Attachment contains binary data. Trying to show first character.]",
                    "[KMail: Attachment contains binary data. Trying to show first %n characters.]",
                    str.length());
      }
      viewer->setText(str);
      viewer->resize(500, 550);
      viewer->show();
  }
  // ---Sven's view text, html and image attachments in html widget end ---
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotAtmView()
{
  partNode* node = mRootNode ? mRootNode->findId( mAtmCurrent ) : 0;
  if( node ) {
    KMMessagePart& msgPart = node->msgPart();
    QString pname = msgPart.fileName();
    if (pname.isEmpty()) pname=msgPart.name();
    if (pname.isEmpty()) pname=msgPart.contentDescription();
    if (pname.isEmpty()) pname="unnamed";
    // image Attachment is saved already
    if (qstricmp(msgPart.typeStr(), "message")==0) {
      atmViewMsg(&msgPart);
    } else if ((qstricmp(msgPart.typeStr(), "text")==0) &&
             (qstricmp(msgPart.subtypeStr(), "x-vcard")==0)) {
      setMsgPart( &msgPart, htmlMail(), mAtmCurrentName, pname );
    } else {
      KMReaderMainWin *win = new KMReaderMainWin(&msgPart, htmlMail(),
      mAtmCurrentName, pname, overrideCodec() );
      win->show();
    }
  }
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotAtmOpen()
{
  openAttachment( mAtmCurrent, mAtmCurrentName );
}

void KMReaderWin::openAttachment( int id, const QString & name ) {
  mAtmCurrentName = name;
  mAtmCurrent = id;

  QString str, pname, cmd, fileName;

  partNode* node = mRootNode ? mRootNode->findId( id ) : 0;
  if( !node ) {
    kdWarning(5006) << "KMReaderWin::openAttachment - could not find node " << id << endl;
    return;
  }

  KMMessagePart& msgPart = node->msgPart();
  if (qstricmp(msgPart.typeStr(), "message")==0)
  {
    atmViewMsg(&msgPart);
    return;
  }

  const QString contentTypeStr =
    ( msgPart.typeStr() + '/' + msgPart.subtypeStr() ).lower();

  if ( contentTypeStr == "text/x-vcard"  ) {
    showVCard( &msgPart );
    return;
  }

  // determine the MIME type of the attachment
  KMimeType::Ptr mimetype;
  // prefer the value of the Content-Type header
  mimetype = KMimeType::mimeType( contentTypeStr );
  if ( mimetype->name() == "application/octet-stream" ) {
    // consider the filename if Content-Type is application/octet-stream
    mimetype = KMimeType::findByPath( name, 0, true /* no disk access */ );
  }
  if ( ( mimetype->name() == "application/octet-stream" )
       && msgPart.isComplete() ) {
    // consider the attachment's contents if neither the Content-Type header
    // nor the filename give us a clue
    mimetype = KMimeType::findByFileContent( name );
  }

  KService::Ptr offer =
    KServiceTypeProfile::preferredService( mimetype->name(), "Application" );

  // remember for slotDoAtmOpen; FIXME, this is ugly
  mOffer = offer;
  QString open_text;
  QString filenameText = msgPart.fileName();
  if ( filenameText.isEmpty() )
    filenameText = msgPart.name();
  if ( offer ) {
    open_text = i18n("&Open with '%1'").arg( offer->name() );
  } else {
    open_text = i18n("&Open With...");
  }
  const QString text = i18n("Open attachment '%1'?\n"
                            "Note that opening an attachment may compromise "
                            "your system's security.")
                       .arg( filenameText );
  const int choice = KMessageBox::questionYesNoCancel( this, text,
      i18n("Open Attachment?"), KStdGuiItem::saveAs(), open_text,
      QString::fromLatin1("askSave") + mimetype->name() ); // dontAskAgainName

  if( choice == KMessageBox::Yes ) {            // Save
    slotAtmLoadPart( 4 );
  }
  else if( choice == KMessageBox::No ) {  // Open
    // this load-part is duplicated from slotAtmLoadPart but is needed here
    // to first display the choice before the attachment is actually downloaded
    if ( !msgPart.isComplete() ) {
      // load the part
      mAtmUpdate = true;
      KMLoadPartsCommand *command = new KMLoadPartsCommand( node, message() );
      connect( command, SIGNAL( partsRetrieved() ),
          this, SLOT( slotDoAtmOpen() ) );
      command->start();
    } else {
      slotDoAtmOpen();
    }
  } else {                          // Cancel
    kdDebug(5006) << "Canceled opening attachment" << endl;
  }
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotDoAtmOpen()
{
  if ( !mOffer ) {
    slotAtmOpenWith();
    return;
  }

  KURL url;
  url.setPath( mAtmCurrentName );
  KURL::List lst;
  lst.append( url );
  KRun::run( *mOffer, lst );
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotAtmOpenWith()
{
  // It makes sense to have an extra "Open with..." entry in the menu
  // so the user can change filetype associations.

    KURL::List lst;
    KURL url;
    url.setPath(mAtmCurrentName);
    lst.append(url);
    KRun::displayOpenWithDialog(lst);
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotAtmSave()
{
  if ( !mRootNode )
    return;

  partNode * node = mRootNode->findId( mAtmCurrent );
  if ( !node ) {
    kdWarning(5006) << "KMReaderWin::slotAtmSave - could not find node " << mAtmCurrent << endl;
    return;
  }

  QPtrList<partNode> parts;
  parts.append( node );
  // save, do not leave encoded
  KMSaveAttachmentsCommand *command =
    new KMSaveAttachmentsCommand( this, parts, message(), false );
  command->start();
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotAtmProperties()
{
    KMMsgPartDialogCompat dlg(0,TRUE);

    partNode* node = mRootNode ? mRootNode->findId( mAtmCurrent ) : 0;
    if( node ) {
        KMMessagePart& msgPart = node->msgPart();

        dlg.setMsgPart(&msgPart);
        dlg.exec();
    }
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotScrollUp()
{
  static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, -10);
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotScrollDown()
{
  static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, 10);
}

bool KMReaderWin::atBottom() const
{
    const QScrollView *view = static_cast<const QScrollView *>(mViewer->widget());
    return view->contentsY() + view->visibleHeight() >= view->contentsHeight();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotJumpDown()
{
    QScrollView *view = static_cast<QScrollView *>(mViewer->widget());
    int offs = (view->clipper()->height() < 30) ? view->clipper()->height() : 30;
    view->scrollBy( 0, view->clipper()->height() - offs );
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotScrollPrior()
{
  static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, -(int)(height()*0.8));
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotScrollNext()
{
  static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, (int)(height()*0.8));
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotDocumentChanged()
{

}


//-----------------------------------------------------------------------------
void KMReaderWin::slotTextSelected(bool)
{
  QString temp = mViewer->selectedText();
  kapp->clipboard()->setText(temp);
}

//-----------------------------------------------------------------------------
void KMReaderWin::selectAll()
{
  mViewer->selectAll();
}

//-----------------------------------------------------------------------------
QString KMReaderWin::copyText()
{
  QString temp = mViewer->selectedText();
  return temp;
}


//-----------------------------------------------------------------------------
void KMReaderWin::slotDocumentDone()
{
  // mSbVert->setValue(0);
}


//-----------------------------------------------------------------------------
void KMReaderWin::setHtmlOverride(bool override)
{
  mHtmlOverride = override;
  if (message())
      message()->setDecodeHTML(htmlMail());
}


//-----------------------------------------------------------------------------
bool KMReaderWin::htmlMail()
{
  return ((mHtmlMail && !mHtmlOverride) || (!mHtmlMail && mHtmlOverride));
}


//-----------------------------------------------------------------------------
void KMReaderWin::update( bool force )
{
  KMMessage* msg = message();
  if ( msg )
    setMsg( msg, force );
}


//-----------------------------------------------------------------------------
KMMessage* KMReaderWin::message( KMFolder** aFolder ) const
{
  KMFolder*  tmpFolder;
  KMFolder*& folder = aFolder ? *aFolder : tmpFolder;
  folder = 0;
  if (mMessage)
      return mMessage;
  if (mLastSerNum) {
    KMMessage *message = 0;
    int index;
    kmkernel->msgDict()->getLocation( mLastSerNum, &folder, &index );
    if (folder )
      message = folder->getMsg( index );
    if (!message)
      kdWarning(5006) << "Attempt to reference invalid serial number " << mLastSerNum << "\n" << endl;
    return message;
  }
  return 0;
}



//-----------------------------------------------------------------------------
void KMReaderWin::slotUrlClicked()
{
  KMMainWidget *mainWidget = dynamic_cast<KMMainWidget*>(mMainWindow);
  uint identity = 0;
  if ( message() && message()->parent() ) {
    identity = message()->parent()->identity();
  }

  KMCommand *command = new KMUrlClickedCommand( mUrlClicked, identity, this,
                                    false, mainWidget );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotMailtoCompose()
{
  KMCommand *command = new KMMailtoComposeCommand( mUrlClicked, message() );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotMailtoForward()
{
  KMCommand *command = new KMMailtoForwardCommand( mMainWindow, mUrlClicked,
                                       message() );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotMailtoAddAddrBook()
{
  KMCommand *command = new KMMailtoAddAddrBookCommand( mUrlClicked,
                                           mMainWindow);
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotMailtoOpenAddrBook()
{
  KMCommand *command = new KMMailtoOpenAddrBookCommand( mUrlClicked,
                                          mMainWindow );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotUrlCopy()
{
  // we don't necessarily need a mainWidget for KMUrlCopyCommand so
  // it doesn't matter if the dynamic_cast fails.
  KMCommand *command =
    new KMUrlCopyCommand( mUrlClicked,
                          dynamic_cast<KMMainWidget*>( mMainWindow ) );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotUrlOpen( const KURL &url )
{
  if ( !url.isEmpty() )
    mUrlClicked = url;
  KMCommand *command = new KMUrlOpenCommand( mUrlClicked, this );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotAddBookmarks()
{
    KMCommand *command = new KMAddBookmarksCommand( mUrlClicked, this );
    command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotUrlSave()
{
  KMCommand *command = new KMUrlSaveCommand( mUrlClicked, mMainWindow );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotMailtoReply()
{
  KMCommand *command = new KMMailtoReplyCommand( mMainWindow, mUrlClicked,
    message(), copyText() );
  command->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotShowMsgSrc()
{
  KMMessage *msg = message();
  if ( !msg )
    return;
  KMShowMsgSrcCommand *command = new KMShowMsgSrcCommand( msg, isFixedFont() );
  command->start();
}

//-----------------------------------------------------------------------------
partNode * KMReaderWin::partNodeFromUrl( const KURL & url ) {
  return mRootNode ? mRootNode->findId( msgPartFromUrl( url ) ) : 0 ;
}

partNode * KMReaderWin::partNodeForId( int id ) {
  return mRootNode ? mRootNode->findId( id ) : 0 ;
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotSaveAttachments()
{
  mAtmUpdate = true;
  KMSaveAttachmentsCommand *saveCommand = new KMSaveAttachmentsCommand( mMainWindow,
                                                                        message() );
  saveCommand->start();
}

//-----------------------------------------------------------------------------
void KMReaderWin::slotSaveMsg()
{
  KMSaveMsgCommand *saveCommand = new KMSaveMsgCommand( mMainWindow, message() );

  if (saveCommand->url().isEmpty())
    delete saveCommand;
  else
    saveCommand->start();
}
//-----------------------------------------------------------------------------
void KMReaderWin::slotIMChat()
{
  KMCommand *command = new KMIMChatCommand( mUrlClicked, message() );
  command->start();
}

#include "kmreaderwin.moc"



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