kmail

kmreaderwin.cpp

00001 // -*- mode: C++; c-file-style: "gnu" -*-
00002 // kmreaderwin.cpp
00003 // Author: Markus Wuebben <markus.wuebben@kde.org>
00004 
00005 // define this to copy all html that is written to the readerwindow to
00006 // filehtmlwriter.out in the current working directory
00007 //#define KMAIL_READER_HTML_DEBUG 1
00008 
00009 #include <config.h>
00010 
00011 #include "kmreaderwin.h"
00012 
00013 #include "globalsettings.h"
00014 #include "kmversion.h"
00015 #include "kmmainwidget.h"
00016 #include "kmreadermainwin.h"
00017 #include <libkdepim/kfileio.h>
00018 #include "kmfolderindex.h"
00019 #include "kmcommands.h"
00020 #include "kmmsgpartdlg.h"
00021 #include "mailsourceviewer.h"
00022 using KMail::MailSourceViewer;
00023 #include "partNode.h"
00024 #include "kmmsgdict.h"
00025 #include "messagesender.h"
00026 #include "kcursorsaver.h"
00027 #include "kmfolder.h"
00028 #include "vcardviewer.h"
00029 using KMail::VCardViewer;
00030 #include "objecttreeparser.h"
00031 using KMail::ObjectTreeParser;
00032 #include "partmetadata.h"
00033 using KMail::PartMetaData;
00034 #include "attachmentstrategy.h"
00035 using KMail::AttachmentStrategy;
00036 #include "headerstrategy.h"
00037 using KMail::HeaderStrategy;
00038 #include "headerstyle.h"
00039 using KMail::HeaderStyle;
00040 #include "khtmlparthtmlwriter.h"
00041 using KMail::HtmlWriter;
00042 using KMail::KHtmlPartHtmlWriter;
00043 #include "htmlstatusbar.h"
00044 using KMail::HtmlStatusBar;
00045 #include "folderjob.h"
00046 using KMail::FolderJob;
00047 #include "csshelper.h"
00048 using KMail::CSSHelper;
00049 #include "isubject.h"
00050 using KMail::ISubject;
00051 #include "urlhandlermanager.h"
00052 using KMail::URLHandlerManager;
00053 #include "interfaces/observable.h"
00054 #include "util.h"
00055 #include "kmheaders.h"
00056 
00057 #include "broadcaststatus.h"
00058 
00059 #include <kmime_mdn.h>
00060 using namespace KMime;
00061 #ifdef KMAIL_READER_HTML_DEBUG
00062 #include "filehtmlwriter.h"
00063 using KMail::FileHtmlWriter;
00064 #include "teehtmlwriter.h"
00065 using KMail::TeeHtmlWriter;
00066 #endif
00067 
00068 #include <kasciistringtools.h>
00069 #include <kstringhandler.h>
00070 
00071 #include <mimelib/mimepp.h>
00072 #include <mimelib/body.h>
00073 #include <mimelib/utility.h>
00074 
00075 #include <kleo/specialjob.h>
00076 #include <kleo/cryptobackend.h>
00077 #include <kleo/cryptobackendfactory.h>
00078 
00079 // KABC includes
00080 #include <kabc/addressee.h>
00081 #include <kabc/vcardconverter.h>
00082 
00083 // khtml headers
00084 #include <khtml_part.h>
00085 #include <khtmlview.h> // So that we can get rid of the frames
00086 #include <dom/html_element.h>
00087 #include <dom/html_block.h>
00088 #include <dom/html_document.h>
00089 #include <dom/dom_string.h>
00090 #include <dom/dom_exception.h>
00091 
00092 #include <kapplication.h>
00093 // for the click on attachment stuff (dnaber):
00094 #include <kuserprofile.h>
00095 #include <kcharsets.h>
00096 #include <kpopupmenu.h>
00097 #include <kstandarddirs.h>  // Sven's : for access and getpid
00098 #include <kcursor.h>
00099 #include <kdebug.h>
00100 #include <kfiledialog.h>
00101 #include <klocale.h>
00102 #include <kmessagebox.h>
00103 #include <kglobalsettings.h>
00104 #include <krun.h>
00105 #include <ktempfile.h>
00106 #include <kprocess.h>
00107 #include <kdialog.h>
00108 #include <kaction.h>
00109 #include <kiconloader.h>
00110 #include <kmdcodec.h>
00111 #include <kasciistricmp.h>
00112 #include <kurldrag.h>
00113 
00114 #include <qclipboard.h>
00115 #include <qhbox.h>
00116 #include <qtextcodec.h>
00117 #include <qpaintdevicemetrics.h>
00118 #include <qlayout.h>
00119 #include <qlabel.h>
00120 #include <qsplitter.h>
00121 #include <qstyle.h>
00122 
00123 // X headers...
00124 #undef Never
00125 #undef Always
00126 
00127 #include <unistd.h>
00128 #include <stdlib.h>
00129 #include <sys/stat.h>
00130 #include <errno.h>
00131 #include <stdio.h>
00132 #include <ctype.h>
00133 #include <string.h>
00134 
00135 #ifdef HAVE_PATHS_H
00136 #include <paths.h>
00137 #endif
00138 
00139 class NewByteArray : public QByteArray
00140 {
00141 public:
00142     NewByteArray &appendNULL();
00143     NewByteArray &operator+=( const char * );
00144     NewByteArray &operator+=( const QByteArray & );
00145     NewByteArray &operator+=( const QCString & );
00146     QByteArray& qByteArray();
00147 };
00148 
00149 NewByteArray& NewByteArray::appendNULL()
00150 {
00151     QByteArray::detach();
00152     uint len1 = size();
00153     if ( !QByteArray::resize( len1 + 1 ) )
00154         return *this;
00155     *(data() + len1) = '\0';
00156     return *this;
00157 }
00158 NewByteArray& NewByteArray::operator+=( const char * newData )
00159 {
00160     if ( !newData )
00161         return *this;
00162     QByteArray::detach();
00163     uint len1 = size();
00164     uint len2 = qstrlen( newData );
00165     if ( !QByteArray::resize( len1 + len2 ) )
00166         return *this;
00167     memcpy( data() + len1, newData, len2 );
00168     return *this;
00169 }
00170 NewByteArray& NewByteArray::operator+=( const QByteArray & newData )
00171 {
00172     if ( newData.isNull() )
00173         return *this;
00174     QByteArray::detach();
00175     uint len1 = size();
00176     uint len2 = newData.size();
00177     if ( !QByteArray::resize( len1 + len2 ) )
00178         return *this;
00179     memcpy( data() + len1, newData.data(), len2 );
00180     return *this;
00181 }
00182 NewByteArray& NewByteArray::operator+=( const QCString & newData )
00183 {
00184     if ( newData.isEmpty() )
00185         return *this;
00186     QByteArray::detach();
00187     uint len1 = size();
00188     uint len2 = newData.length(); // forget about the trailing 0x00 !
00189     if ( !QByteArray::resize( len1 + len2 ) )
00190         return *this;
00191     memcpy( data() + len1, newData.data(), len2 );
00192     return *this;
00193 }
00194 QByteArray& NewByteArray::qByteArray()
00195 {
00196     return *((QByteArray*)this);
00197 }
00198 
00199 // This function returns the complete data that were in this
00200 // message parts - *after* all encryption has been removed that
00201 // could be removed.
00202 // - This is used to store the message in decrypted form.
00203 bool KMReaderWin::objectTreeToDecryptedMsg( partNode* node,
00204                                             NewByteArray& resultingData,
00205                                             DwMessage *currentDwMessage,
00206                                             bool weAreReplacingAMessageNode,
00207                                             int recCount )
00208 {
00209   bool somethingWasChanged = false;
00210   kdDebug(5006) << QString("-------------------------------------------------" ) << endl;
00211   kdDebug(5006) << QString("KMReaderWin::objectTreeToDecryptedMsg( %1 )  START").arg( recCount ) << endl;
00212   if( node ) {
00213 
00214     kdDebug(5006) << node->typeString() << '/' << node->subTypeString() << endl;
00215 
00216     partNode* curNode = node;
00217     partNode* dataNode = curNode;
00218     partNode * child = node->firstChild();
00219     const bool bIsMultipart = node->type() == DwMime::kTypeMultipart;
00220     const bool isEncapsulatedMessage = node->type() == DwMime::kTypeMessage && node->parentNode();
00221     const bool isFirstChildOfMessage = !node->parentNode() || node->parentNode()->type() == DwMime::kTypeMessage;
00222     bool bKeepPartAsIs = false;
00223 
00224     switch( curNode->type() ){
00225       case DwMime::kTypeMultipart: {
00226           switch( curNode->subType() ){
00227           case DwMime::kSubtypeSigned: {
00228               bKeepPartAsIs = true;
00229             }
00230             break;
00231           case DwMime::kSubtypeEncrypted: {
00232               if ( child )
00233                   dataNode = child;
00234             }
00235             break;
00236           }
00237         }
00238         break;
00239       case DwMime::kTypeApplication: {
00240           switch( curNode->subType() ){
00241           case DwMime::kSubtypeOctetStream: {
00242               if ( child )
00243                 dataNode = child;
00244             }
00245             break;
00246           case DwMime::kSubtypePkcs7Signature: {
00247               // note: subtype Pkcs7Signature specifies a signature part
00248               //       which we do NOT want to remove!
00249               bKeepPartAsIs = true;
00250             }
00251             break;
00252           case DwMime::kSubtypePkcs7Mime: {
00253               // note: subtype Pkcs7Mime can also be signed
00254               //       and we do NOT want to remove the signature!
00255               if ( child && curNode->encryptionState() != KMMsgNotEncrypted )
00256                 dataNode = child;
00257             }
00258             break;
00259           }
00260         }
00261         break;
00262     }
00263 
00264 
00265     DwHeaders& messageHeaders( currentDwMessage->Headers() );
00266     DwBodyPart * part = dataNode->dwPart();
00267     DwHeaders * headers(
00268         (part && part->hasHeaders())
00269         ? &part->Headers()
00270         : (  (weAreReplacingAMessageNode || isFirstChildOfMessage)
00271             ? &messageHeaders
00272             : 0 ) );
00273     if( dataNode == curNode ) {
00274       kdDebug(5006) << "dataNode == curNode:  Save curNode without replacing it." << endl;
00275 
00276       // A) Store the headers of this part IF curNode is not a message node
00277       //    AND we are not replacing a node that already *has* replaced
00278       //    a message node in previous recursion steps of this function...
00279       if( headers ) {
00280         if( dataNode->parentNode() && !weAreReplacingAMessageNode ) {
00281           kdDebug(5006) << "dataNode is NOT replacing a message node:  Store the headers." << endl;
00282           resultingData += headers->AsString().c_str();
00283           resultingData += QCString( "\n" );
00284         } else if( weAreReplacingAMessageNode && part && part->hasHeaders() ){
00285           kdDebug(5006) << "dataNode replace a message node:  Do NOT store the headers but change" << endl;
00286           kdDebug(5006) << "                                  the Message's headers accordingly." << endl;
00287           kdDebug(5006) << "              old Content-Type = " << messageHeaders.ContentType().AsString().c_str() << endl;
00288           kdDebug(5006) << "              new Content-Type = " << headers->ContentType().AsString().c_str() << endl;
00289           messageHeaders.ContentType() = headers->ContentType();
00290           messageHeaders.FindField( "Content-Type" )->SetModified();
00291           if ( headers->HasContentTransferEncoding() ) {
00292             messageHeaders.ContentTransferEncoding() = headers->ContentTransferEncoding();
00293             messageHeaders.FindField( "Content-Transfer-Encoding" )->SetModified();
00294           } else if ( messageHeaders.HasContentTransferEncoding() ) {
00295             messageHeaders.RemoveField( messageHeaders.FindField( "Content-Transfer-Encoding" ) );
00296           }
00297           messageHeaders.ContentDescription() = headers->ContentDescription();
00298           messageHeaders.FindField( "Content-Description" )->SetModified();
00299           messageHeaders.ContentDisposition() = headers->ContentDisposition();
00300           messageHeaders.FindField( "Content-Disposition" )->SetModified();
00301           messageHeaders.SetModified();
00302           messageHeaders.Assemble();
00303           somethingWasChanged = true;
00304         }
00305       }
00306 
00307       if ( bKeepPartAsIs ) {
00308         kdDebug(5006) << "keeping body as is." << endl;
00309         resultingData += dataNode->encodedBody();
00310       } else {
00311 
00312         // B) Store the body of this part
00313         if ( isEncapsulatedMessage && part && part->Body().Message() ) {
00314           kdDebug(5006) << "is a valid Message, processing it." << endl;
00315           DwMessage * const message = part->Body().Message();
00316 
00317           // We first get the body, and afterwards add the headers and the body to resultingData.
00318           // This is because objectTreeToDecryptedMsg() might change the headers.
00319           NewByteArray messageContents;
00320           const bool changed = objectTreeToDecryptedMsg( curNode->firstChild(), messageContents,
00321                                                          message, false, recCount + 1 );
00322           if ( !somethingWasChanged ) {
00323             somethingWasChanged = changed;
00324           }
00325 
00326           resultingData += message->Headers().AsString().c_str();
00327           resultingData += QCString( "\n" );
00328           resultingData += messageContents;
00329         }
00330         else if( headers && bIsMultipart && dataNode->firstChild() )  {
00331           kdDebug(5006) << "is valid Multipart, processing children:" << endl;
00332           QCString boundary = headers->ContentType().Boundary().c_str();
00333           curNode = dataNode->firstChild();
00334           // store children of multipart
00335           while( curNode ) {
00336             kdDebug(5006) << "--boundary" << endl;
00337             if( resultingData.size() &&
00338                 ( '\n' != resultingData.at( resultingData.size()-1 ) ) )
00339               resultingData += QCString( "\n" );
00340             resultingData += QCString( "\n" );
00341             resultingData += "--";
00342             resultingData += boundary;
00343             resultingData += "\n";
00344             // note: We are processing a harmless multipart that is *not*
00345             //       to be replaced by one of it's children, therefor
00346             //       we set their doStoreHeaders to true.
00347             const bool changed = objectTreeToDecryptedMsg( curNode, resultingData, currentDwMessage,
00348                                                            false, recCount + 1 );
00349             if ( !somethingWasChanged ) {
00350               somethingWasChanged = changed;
00351             }
00352             curNode = curNode->nextSibling();
00353           }
00354           kdDebug(5006) << "--boundary--" << endl;
00355           resultingData += "\n--";
00356           resultingData += boundary;
00357           resultingData += "--\n\n";
00358           kdDebug(5006) << "Multipart processing children - DONE" << endl;
00359         } else if( part ){
00360           // store simple part
00361           kdDebug(5006) << "is Simple part or invalid Multipart, storing body data .. DONE" << endl;
00362           resultingData += part->Body().AsString().c_str();
00363         }
00364       }
00365     } else {
00366       kdDebug(5006) << "dataNode != curNode:  Replace curNode by dataNode." << endl;
00367       bool messageNodeReplaceFlag = weAreReplacingAMessageNode || isFirstChildOfMessage;
00368       if( messageNodeReplaceFlag ) {
00369         kdDebug(5006) << "                      A message node will be replaced." << endl;
00370       } else {
00371         kdDebug(5006) << "                      A message will NOT be replaced." << endl;
00372       }
00373       // store special data to replace the current part
00374       // (e.g. decrypted data or embedded RfC 822 data)
00375       somethingWasChanged = objectTreeToDecryptedMsg( dataNode, resultingData, currentDwMessage,
00376                                                       messageNodeReplaceFlag, recCount + 1 );
00377       Q_ASSERT( somethingWasChanged );
00378     }
00379   }
00380   kdDebug(5006) << QString("\nKMReaderWin::objectTreeToDecryptedMsg( %1 )  END").arg( recCount ) << endl;
00381   return somethingWasChanged;
00382 }
00383 
00384 
00385 /*
00386  ===========================================================================
00387 
00388 
00389         E N D    O F     T E M P O R A R Y     M I M E     C O D E
00390 
00391 
00392  ===========================================================================
00393 */
00394 
00395 
00396 
00397 
00398 
00399 
00400 
00401 
00402 
00403 
00404 
00405 void KMReaderWin::createWidgets() {
00406   QVBoxLayout * vlay = new QVBoxLayout( this );
00407   mSplitter = new QSplitter( Qt::Vertical, this, "mSplitter" );
00408   vlay->addWidget( mSplitter );
00409   mMimePartTree = new KMMimePartTree( this, mSplitter, "mMimePartTree" );
00410   mBox = new QHBox( mSplitter, "mBox" );
00411   setStyleDependantFrameWidth();
00412   mBox->setFrameStyle( mMimePartTree->frameStyle() );
00413   mColorBar = new HtmlStatusBar( mBox, "mColorBar" );
00414   mViewer = new KHTMLPart( mBox, "mViewer" );
00415   mSplitter->setOpaqueResize( KGlobalSettings::opaqueResize() );
00416   mSplitter->setResizeMode( mMimePartTree, QSplitter::KeepSize );
00417 }
00418 
00419 const int KMReaderWin::delay = 150;
00420 
00421 //-----------------------------------------------------------------------------
00422 KMReaderWin::KMReaderWin(QWidget *aParent,
00423              QWidget *mainWindow,
00424              KActionCollection* actionCollection,
00425                          const char *aName,
00426                          int aFlags )
00427   : QWidget(aParent, aName, aFlags | Qt::WDestructiveClose),
00428     mSerNumOfOriginalMessage( 0 ),
00429     mNodeIdOffset( -1 ),
00430     mAttachmentStrategy( 0 ),
00431     mHeaderStrategy( 0 ),
00432     mHeaderStyle( 0 ),
00433     mUpdateReaderWinTimer( 0, "mUpdateReaderWinTimer" ),
00434     mResizeTimer( 0, "mResizeTimer" ),
00435     mDelayedMarkTimer( 0, "mDelayedMarkTimer" ),
00436     mOldGlobalOverrideEncoding( "---" ), // init with dummy value
00437     mCSSHelper( 0 ),
00438     mRootNode( 0 ),
00439     mMainWindow( mainWindow ),
00440     mActionCollection( actionCollection ),
00441     mMailToComposeAction( 0 ),
00442     mMailToReplyAction( 0 ),
00443     mMailToForwardAction( 0 ),
00444     mAddAddrBookAction( 0 ),
00445     mOpenAddrBookAction( 0 ),
00446     mCopyAction( 0 ),
00447     mCopyURLAction( 0 ),
00448     mUrlOpenAction( 0 ),
00449     mUrlSaveAsAction( 0 ),
00450     mAddBookmarksAction( 0 ),
00451     mStartIMChatAction( 0 ),
00452     mSelectAllAction( 0 ),
00453     mHeaderOnlyAttachmentsAction( 0 ),
00454     mSelectEncodingAction( 0 ),
00455     mToggleFixFontAction( 0 ),
00456     mCanStartDrag( false ),
00457     mHtmlWriter( 0 ),
00458     mSavedRelativePosition( 0 ),
00459     mDecrytMessageOverwrite( false ),
00460     mShowSignatureDetails( false ),
00461     mShowAttachmentQuicklist( true ),
00462     mShowRawToltecMail( false )
00463 {
00464   mExternalWindow  = (aParent == mainWindow );
00465   mSplitterSizes << 180 << 100;
00466   mMimeTreeMode = 1;
00467   mMimeTreeAtBottom = true;
00468   mAutoDelete = false;
00469   mLastSerNum = 0;
00470   mWaitingForSerNum = 0;
00471   mMessage = 0;
00472   mMsgDisplay = true;
00473   mPrinting = false;
00474   mShowColorbar = false;
00475   mAtmUpdate = false;
00476 
00477   createWidgets();
00478   createActions( actionCollection );
00479   initHtmlWidget();
00480   readConfig();
00481 
00482   mHtmlOverride = false;
00483   mHtmlLoadExtOverride = false;
00484 
00485   mLevelQuote = GlobalSettings::self()->collapseQuoteLevelSpin() - 1;
00486 
00487   connect( &mUpdateReaderWinTimer, SIGNAL(timeout()),
00488        this, SLOT(updateReaderWin()) );
00489   connect( &mResizeTimer, SIGNAL(timeout()),
00490        this, SLOT(slotDelayedResize()) );
00491   connect( &mDelayedMarkTimer, SIGNAL(timeout()),
00492            this, SLOT(slotTouchMessage()) );
00493 
00494 }
00495 
00496 void KMReaderWin::createActions( KActionCollection * ac ) {
00497   if ( !ac )
00498       return;
00499 
00500   KRadioAction *raction = 0;
00501 
00502   // header style
00503   KActionMenu *headerMenu =
00504     new KActionMenu( i18n("View->", "&Headers"), ac, "view_headers" );
00505   headerMenu->setToolTip( i18n("Choose display style of message headers") );
00506 
00507   connect( headerMenu, SIGNAL(activated()),
00508            this, SLOT(slotCycleHeaderStyles()) );
00509 
00510   raction = new KRadioAction( i18n("View->headers->", "&Enterprise Headers"), 0,
00511                               this, SLOT(slotEnterpriseHeaders()),
00512                               ac, "view_headers_enterprise" );
00513   raction->setToolTip( i18n("Show the list of headers in Enterprise style") );
00514   raction->setExclusiveGroup( "view_headers_group" );
00515   headerMenu->insert(raction);
00516 
00517   raction = new KRadioAction( i18n("View->headers->", "&Fancy Headers"), 0,
00518                               this, SLOT(slotFancyHeaders()),
00519                               ac, "view_headers_fancy" );
00520   raction->setToolTip( i18n("Show the list of headers in a fancy format") );
00521   raction->setExclusiveGroup( "view_headers_group" );
00522   headerMenu->insert( raction );
00523 
00524   raction = new KRadioAction( i18n("View->headers->", "&Brief Headers"), 0,
00525                               this, SLOT(slotBriefHeaders()),
00526                               ac, "view_headers_brief" );
00527   raction->setToolTip( i18n("Show brief list of message headers") );
00528   raction->setExclusiveGroup( "view_headers_group" );
00529   headerMenu->insert( raction );
00530 
00531   raction = new KRadioAction( i18n("View->headers->", "&Standard Headers"), 0,
00532                               this, SLOT(slotStandardHeaders()),
00533                               ac, "view_headers_standard" );
00534   raction->setToolTip( i18n("Show standard list of message headers") );
00535   raction->setExclusiveGroup( "view_headers_group" );
00536   headerMenu->insert( raction );
00537 
00538   raction = new KRadioAction( i18n("View->headers->", "&Long Headers"), 0,
00539                               this, SLOT(slotLongHeaders()),
00540                               ac, "view_headers_long" );
00541   raction->setToolTip( i18n("Show long list of message headers") );
00542   raction->setExclusiveGroup( "view_headers_group" );
00543   headerMenu->insert( raction );
00544 
00545   raction = new KRadioAction( i18n("View->headers->", "&All Headers"), 0,
00546                               this, SLOT(slotAllHeaders()),
00547                               ac, "view_headers_all" );
00548   raction->setToolTip( i18n("Show all message headers") );
00549   raction->setExclusiveGroup( "view_headers_group" );
00550   headerMenu->insert( raction );
00551 
00552   // attachment style
00553   KActionMenu *attachmentMenu =
00554     new KActionMenu( i18n("View->", "&Attachments"), ac, "view_attachments" );
00555   attachmentMenu->setToolTip( i18n("Choose display style of attachments") );
00556   connect( attachmentMenu, SIGNAL(activated()),
00557            this, SLOT(slotCycleAttachmentStrategy()) );
00558 
00559   raction = new KRadioAction( i18n("View->attachments->", "&As Icons"), 0,
00560                               this, SLOT(slotIconicAttachments()),
00561                               ac, "view_attachments_as_icons" );
00562   raction->setToolTip( i18n("Show all attachments as icons. Click to see them.") );
00563   raction->setExclusiveGroup( "view_attachments_group" );
00564   attachmentMenu->insert( raction );
00565 
00566   raction = new KRadioAction( i18n("View->attachments->", "&Smart"), 0,
00567                               this, SLOT(slotSmartAttachments()),
00568                               ac, "view_attachments_smart" );
00569   raction->setToolTip( i18n("Show attachments as suggested by sender.") );
00570   raction->setExclusiveGroup( "view_attachments_group" );
00571   attachmentMenu->insert( raction );
00572 
00573   raction = new KRadioAction( i18n("View->attachments->", "&Inline"), 0,
00574                               this, SLOT(slotInlineAttachments()),
00575                               ac, "view_attachments_inline" );
00576   raction->setToolTip( i18n("Show all attachments inline (if possible)") );
00577   raction->setExclusiveGroup( "view_attachments_group" );
00578   attachmentMenu->insert( raction );
00579 
00580   raction = new KRadioAction( i18n("View->attachments->", "&Hide"), 0,
00581                               this, SLOT(slotHideAttachments()),
00582                               ac, "view_attachments_hide" );
00583   raction->setToolTip( i18n("Do not show attachments in the message viewer") );
00584   raction->setExclusiveGroup( "view_attachments_group" );
00585   attachmentMenu->insert( raction );
00586 
00587   mHeaderOnlyAttachmentsAction = new KRadioAction( i18n( "View->attachments->", "In Header &Only" ), 0,
00588                               this, SLOT( slotHeaderOnlyAttachments() ),
00589                               ac, "view_attachments_headeronly" );
00590   mHeaderOnlyAttachmentsAction->setToolTip( i18n( "Show Attachments only in the header of the mail" ) );
00591   mHeaderOnlyAttachmentsAction->setExclusiveGroup( "view_attachments_group" );
00592   attachmentMenu->insert( mHeaderOnlyAttachmentsAction );
00593 
00594   // Set Encoding submenu
00595   mSelectEncodingAction = new KSelectAction( i18n( "&Set Encoding" ), "charset", 0,
00596                                  this, SLOT( slotSetEncoding() ),
00597                                  ac, "encoding" );
00598   QStringList encodings = KMMsgBase::supportedEncodings( false );
00599   encodings.prepend( i18n( "Auto" ) );
00600   mSelectEncodingAction->setItems( encodings );
00601   mSelectEncodingAction->setCurrentItem( 0 );
00602 
00603   mMailToComposeAction = new KAction( i18n("New Message To..."), "mail_new",
00604                                       0, this, SLOT(slotMailtoCompose()), ac,
00605                                       "mailto_compose" );
00606   mMailToReplyAction = new KAction( i18n("Reply To..."), "mail_reply",
00607                                     0, this, SLOT(slotMailtoReply()), ac,
00608                     "mailto_reply" );
00609   mMailToForwardAction = new KAction( i18n("Forward To..."), "mail_forward",
00610                                       0, this, SLOT(slotMailtoForward()), ac,
00611                                       "mailto_forward" );
00612   mAddAddrBookAction = new KAction( i18n("Add to Address Book"),
00613                     0, this, SLOT(slotMailtoAddAddrBook()),
00614                     ac, "add_addr_book" );
00615   mOpenAddrBookAction = new KAction( i18n("Open in Address Book"),
00616                                      0, this, SLOT(slotMailtoOpenAddrBook()),
00617                                      ac, "openin_addr_book" );
00618   mCopyAction = KStdAction::copy( this, SLOT(slotCopySelectedText()), ac, "kmail_copy");
00619   mSelectAllAction = new KAction( i18n("Select All Text"), CTRL+SHIFT+Key_A, this,
00620                                   SLOT(selectAll()), ac, "mark_all_text" );
00621   mCopyURLAction = new KAction( i18n("Copy Link Address"), 0, this,
00622                 SLOT(slotUrlCopy()), ac, "copy_url" );
00623   mUrlOpenAction = new KAction( i18n("Open URL"), 0, this,
00624                                 SLOT(slotUrlOpen()), ac, "open_url" );
00625   mAddBookmarksAction = new KAction( i18n("Bookmark This Link"),
00626                                      "bookmark_add",
00627                                      0, this, SLOT(slotAddBookmarks()),
00628                                      ac, "add_bookmarks" );
00629   mUrlSaveAsAction = new KAction( i18n("Save Link As..."), 0, this,
00630                                   SLOT(slotUrlSave()), ac, "saveas_url" );
00631 
00632   mToggleFixFontAction = new KToggleAction( i18n("Use Fi&xed Font"),
00633                                             Key_X, this, SLOT(slotToggleFixedFont()),
00634                                             ac, "toggle_fixedfont" );
00635 
00636   mStartIMChatAction = new KAction( i18n("Chat &With..."), 0, this,
00637                     SLOT(slotIMChat()), ac, "start_im_chat" );
00638 }
00639 
00640 // little helper function
00641 KRadioAction *KMReaderWin::actionForHeaderStyle( const HeaderStyle * style, const HeaderStrategy * strategy ) {
00642   if ( !mActionCollection )
00643     return 0;
00644   const char * actionName = 0;
00645   if ( style == HeaderStyle::enterprise() )
00646     actionName = "view_headers_enterprise";
00647   if ( style == HeaderStyle::fancy() )
00648     actionName = "view_headers_fancy";
00649   else if ( style == HeaderStyle::brief() )
00650     actionName = "view_headers_brief";
00651   else if ( style == HeaderStyle::plain() ) {
00652     if ( strategy == HeaderStrategy::standard() )
00653       actionName = "view_headers_standard";
00654     else if ( strategy == HeaderStrategy::rich() )
00655       actionName = "view_headers_long";
00656     else if ( strategy == HeaderStrategy::all() )
00657       actionName = "view_headers_all";
00658   }
00659   if ( actionName )
00660     return static_cast<KRadioAction*>(mActionCollection->action(actionName));
00661   else
00662     return 0;
00663 }
00664 
00665 KRadioAction *KMReaderWin::actionForAttachmentStrategy( const AttachmentStrategy * as ) {
00666   if ( !mActionCollection )
00667     return 0;
00668   const char * actionName = 0;
00669   if ( as == AttachmentStrategy::iconic() )
00670     actionName = "view_attachments_as_icons";
00671   else if ( as == AttachmentStrategy::smart() )
00672     actionName = "view_attachments_smart";
00673   else if ( as == AttachmentStrategy::inlined() )
00674     actionName = "view_attachments_inline";
00675   else if ( as == AttachmentStrategy::hidden() )
00676     actionName = "view_attachments_hide";
00677   else if ( as == AttachmentStrategy::headerOnly() )
00678     actionName = "view_attachments_headeronly";
00679 
00680   if ( actionName )
00681     return static_cast<KRadioAction*>(mActionCollection->action(actionName));
00682   else
00683     return 0;
00684 }
00685 
00686 void KMReaderWin::slotEnterpriseHeaders() {
00687   setHeaderStyleAndStrategy( HeaderStyle::enterprise(),
00688                              HeaderStrategy::rich() );
00689   if( !mExternalWindow )
00690      writeConfig();
00691 }
00692 
00693 void KMReaderWin::slotFancyHeaders() {
00694   setHeaderStyleAndStrategy( HeaderStyle::fancy(),
00695                              HeaderStrategy::rich() );
00696   if( !mExternalWindow )
00697      writeConfig();
00698 }
00699 
00700 void KMReaderWin::slotBriefHeaders() {
00701   setHeaderStyleAndStrategy( HeaderStyle::brief(),
00702                              HeaderStrategy::brief() );
00703   if( !mExternalWindow )
00704      writeConfig();
00705 }
00706 
00707 void KMReaderWin::slotStandardHeaders() {
00708   setHeaderStyleAndStrategy( HeaderStyle::plain(),
00709                              HeaderStrategy::standard());
00710   writeConfig();
00711 }
00712 
00713 void KMReaderWin::slotLongHeaders() {
00714   setHeaderStyleAndStrategy( HeaderStyle::plain(),
00715                              HeaderStrategy::rich() );
00716   if( !mExternalWindow )
00717      writeConfig();
00718 }
00719 
00720 void KMReaderWin::slotAllHeaders() {
00721   setHeaderStyleAndStrategy( HeaderStyle::plain(),
00722                              HeaderStrategy::all() );
00723   if( !mExternalWindow )
00724      writeConfig();
00725 }
00726 
00727 void KMReaderWin::slotLevelQuote( int l )
00728 {
00729   mLevelQuote = l;
00730   saveRelativePosition();
00731   update(true);
00732 }
00733 
00734 void KMReaderWin::slotCycleHeaderStyles() {
00735   const HeaderStrategy * strategy = headerStrategy();
00736   const HeaderStyle * style = headerStyle();
00737 
00738   const char * actionName = 0;
00739   if ( style == HeaderStyle::enterprise() ) {
00740     slotFancyHeaders();
00741     actionName = "view_headers_fancy";
00742   }
00743   if ( style == HeaderStyle::fancy() ) {
00744     slotBriefHeaders();
00745     actionName = "view_headers_brief";
00746   } else if ( style == HeaderStyle::brief() ) {
00747     slotStandardHeaders();
00748     actionName = "view_headers_standard";
00749   } else if ( style == HeaderStyle::plain() ) {
00750     if ( strategy == HeaderStrategy::standard() ) {
00751       slotLongHeaders();
00752       actionName = "view_headers_long";
00753     } else if ( strategy == HeaderStrategy::rich() ) {
00754       slotAllHeaders();
00755       actionName = "view_headers_all";
00756     } else if ( strategy == HeaderStrategy::all() ) {
00757       slotEnterpriseHeaders();
00758       actionName = "view_headers_enterprise";
00759     }
00760   }
00761 
00762   if ( actionName )
00763     static_cast<KRadioAction*>( mActionCollection->action( actionName ) )->setChecked( true );
00764 }
00765 
00766 
00767 void KMReaderWin::slotIconicAttachments() {
00768   setAttachmentStrategy( AttachmentStrategy::iconic() );
00769 }
00770 
00771 void KMReaderWin::slotSmartAttachments() {
00772   setAttachmentStrategy( AttachmentStrategy::smart() );
00773 }
00774 
00775 void KMReaderWin::slotInlineAttachments() {
00776   setAttachmentStrategy( AttachmentStrategy::inlined() );
00777 }
00778 
00779 void KMReaderWin::slotHideAttachments() {
00780   setAttachmentStrategy( AttachmentStrategy::hidden() );
00781 }
00782 
00783 void KMReaderWin::slotHeaderOnlyAttachments() {
00784   setAttachmentStrategy( AttachmentStrategy::headerOnly() );
00785 }
00786 
00787 void KMReaderWin::slotCycleAttachmentStrategy() {
00788   setAttachmentStrategy( attachmentStrategy()->next() );
00789   KRadioAction * action = actionForAttachmentStrategy( attachmentStrategy() );
00790   assert( action );
00791   action->setChecked( true );
00792 }
00793 
00794 
00795 //-----------------------------------------------------------------------------
00796 KMReaderWin::~KMReaderWin()
00797 {
00798   clearBodyPartMementos();
00799   delete mHtmlWriter; mHtmlWriter = 0;
00800   delete mCSSHelper;
00801   if (mAutoDelete) delete message();
00802   delete mRootNode; mRootNode = 0;
00803   removeTempFiles();
00804 }
00805 
00806 
00807 //-----------------------------------------------------------------------------
00808 void KMReaderWin::slotMessageArrived( KMMessage *msg )
00809 {
00810   if (msg && ((KMMsgBase*)msg)->isMessage()) {
00811     if ( msg->getMsgSerNum() == mWaitingForSerNum ) {
00812       setMsg( msg, true );
00813     } else {
00814       //kdDebug( 5006 ) <<  "KMReaderWin::slotMessageArrived - ignoring update" << endl;
00815     }
00816   }
00817 }
00818 
00819 //-----------------------------------------------------------------------------
00820 void KMReaderWin::update( KMail::Interface::Observable * observable )
00821 {
00822   if ( !mAtmUpdate ) {
00823     // reparse the msg
00824     //kdDebug(5006) << "KMReaderWin::update - message" << endl;
00825     updateReaderWin();
00826     return;
00827   }
00828 
00829   if ( !mRootNode )
00830     return;
00831 
00832   KMMessage* msg = static_cast<KMMessage*>( observable );
00833   assert( msg != 0 );
00834 
00835   // find our partNode and update it
00836   if ( !msg->lastUpdatedPart() ) {
00837     kdDebug(5006) << "KMReaderWin::update - no updated part" << endl;
00838     return;
00839   }
00840   partNode* node = mRootNode->findNodeForDwPart( msg->lastUpdatedPart() );
00841   if ( !node ) {
00842     kdDebug(5006) << "KMReaderWin::update - can't find node for part" << endl;
00843     return;
00844   }
00845   node->setDwPart( msg->lastUpdatedPart() );
00846 
00847   // update the tmp file
00848   // we have to set it writeable temporarily
00849   ::chmod( QFile::encodeName( mAtmCurrentName ), S_IRWXU );
00850   QByteArray data = node->msgPart().bodyDecodedBinary();
00851   size_t size = data.size();
00852   if ( node->msgPart().type() == DwMime::kTypeText && size) {
00853     size = KMail::Util::crlf2lf( data.data(), size );
00854   }
00855   KPIM::kBytesToFile( data.data(), size, mAtmCurrentName, false, false, false );
00856   ::chmod( QFile::encodeName( mAtmCurrentName ), S_IRUSR );
00857 
00858   mAtmUpdate = false;
00859 }
00860 
00861 //-----------------------------------------------------------------------------
00862 void KMReaderWin::removeTempFiles()
00863 {
00864   for (QStringList::Iterator it = mTempFiles.begin(); it != mTempFiles.end();
00865     it++)
00866   {
00867     QFile::remove(*it);
00868   }
00869   mTempFiles.clear();
00870   for (QStringList::Iterator it = mTempDirs.begin(); it != mTempDirs.end();
00871     it++)
00872   {
00873     QDir(*it).rmdir(*it);
00874   }
00875   mTempDirs.clear();
00876 }
00877 
00878 
00879 //-----------------------------------------------------------------------------
00880 bool KMReaderWin::event(QEvent *e)
00881 {
00882   if (e->type() == QEvent::ApplicationPaletteChange)
00883   {
00884     delete mCSSHelper;
00885     mCSSHelper = new KMail::CSSHelper(  QPaintDeviceMetrics( mViewer->view() ) );
00886     if (message())
00887       message()->readConfig();
00888     update( true ); // Force update
00889     return true;
00890   }
00891   return QWidget::event(e);
00892 }
00893 
00894 
00895 //-----------------------------------------------------------------------------
00896 void KMReaderWin::readConfig(void)
00897 {
00898   const KConfigGroup mdnGroup( KMKernel::config(), "MDN" );
00899   /*should be: const*/ KConfigGroup reader( KMKernel::config(), "Reader" );
00900 
00901   delete mCSSHelper;
00902   mCSSHelper = new KMail::CSSHelper( QPaintDeviceMetrics( mViewer->view() ) );
00903 
00904   mNoMDNsWhenEncrypted = mdnGroup.readBoolEntry( "not-send-when-encrypted", true );
00905 
00906   mUseFixedFont = reader.readBoolEntry( "useFixedFont", false );
00907   if ( mToggleFixFontAction )
00908     mToggleFixFontAction->setChecked( mUseFixedFont );
00909 
00910   mHtmlMail = reader.readBoolEntry( "htmlMail", false );
00911   mHtmlLoadExternal = reader.readBoolEntry( "htmlLoadExternal", false );
00912 
00913   setHeaderStyleAndStrategy( HeaderStyle::create( reader.readEntry( "header-style", "fancy" ) ),
00914                  HeaderStrategy::create( reader.readEntry( "header-set-displayed", "rich" ) ) );
00915   KRadioAction *raction = actionForHeaderStyle( headerStyle(), headerStrategy() );
00916   if ( raction )
00917     raction->setChecked( true );
00918 
00919   setAttachmentStrategy( AttachmentStrategy::create( reader.readEntry( "attachment-strategy", "smart" ) ) );
00920   raction = actionForAttachmentStrategy( attachmentStrategy() );
00921   if ( raction )
00922     raction->setChecked( true );
00923 
00924   // if the user uses OpenPGP then the color bar defaults to enabled
00925   // else it defaults to disabled
00926   mShowColorbar = reader.readBoolEntry( "showColorbar", Kpgp::Module::getKpgp()->usePGP() );
00927   // if the value defaults to enabled and KMail (with color bar) is used for
00928   // the first time the config dialog doesn't know this if we don't save the
00929   // value now
00930   reader.writeEntry( "showColorbar", mShowColorbar );
00931 
00932   mMimeTreeAtBottom = reader.readEntry( "MimeTreeLocation", "bottom" ) != "top";
00933   const QString s = reader.readEntry( "MimeTreeMode", "smart" );
00934   if ( s == "never" )
00935     mMimeTreeMode = 0;
00936   else if ( s == "always" )
00937     mMimeTreeMode = 2;
00938   else
00939     mMimeTreeMode = 1;
00940 
00941   const int mimeH = reader.readNumEntry( "MimePaneHeight", 100 );
00942   const int messageH = reader.readNumEntry( "MessagePaneHeight", 180 );
00943   mSplitterSizes.clear();
00944   if ( mMimeTreeAtBottom )
00945     mSplitterSizes << messageH << mimeH;
00946   else
00947     mSplitterSizes << mimeH << messageH;
00948 
00949   adjustLayout();
00950 
00951   readGlobalOverrideCodec();
00952 
00953   if (message())
00954     update();
00955   KMMessage::readConfig();
00956 }
00957 
00958 
00959 void KMReaderWin::adjustLayout() {
00960   if ( mMimeTreeAtBottom )
00961     mSplitter->moveToLast( mMimePartTree );
00962   else
00963     mSplitter->moveToFirst( mMimePartTree );
00964   mSplitter->setSizes( mSplitterSizes );
00965 
00966   if ( mMimeTreeMode == 2 && mMsgDisplay )
00967     mMimePartTree->show();
00968   else
00969     mMimePartTree->hide();
00970 
00971   if ( mShowColorbar && mMsgDisplay )
00972     mColorBar->show();
00973   else
00974     mColorBar->hide();
00975 }
00976 
00977 
00978 void KMReaderWin::saveSplitterSizes( KConfigBase & c ) const {
00979   if ( !mSplitter || !mMimePartTree )
00980     return;
00981   if ( mMimePartTree->isHidden() )
00982     return; // don't rely on QSplitter maintaining sizes for hidden widgets.
00983 
00984   c.writeEntry( "MimePaneHeight", mSplitter->sizes()[ mMimeTreeAtBottom ? 1 : 0 ] );
00985   c.writeEntry( "MessagePaneHeight", mSplitter->sizes()[ mMimeTreeAtBottom ? 0 : 1 ] );
00986 }
00987 
00988 //-----------------------------------------------------------------------------
00989 void KMReaderWin::writeConfig( bool sync ) const {
00990   KConfigGroup reader( KMKernel::config(), "Reader" );
00991 
00992   reader.writeEntry( "useFixedFont", mUseFixedFont );
00993   if ( headerStyle() )
00994     reader.writeEntry( "header-style", headerStyle()->name() );
00995   if ( headerStrategy() )
00996     reader.writeEntry( "header-set-displayed", headerStrategy()->name() );
00997   if ( attachmentStrategy() )
00998     reader.writeEntry( "attachment-strategy", attachmentStrategy()->name() );
00999 
01000   saveSplitterSizes( reader );
01001 
01002   if ( sync )
01003     kmkernel->slotRequestConfigSync();
01004 }
01005 
01006 //-----------------------------------------------------------------------------
01007 void KMReaderWin::initHtmlWidget(void)
01008 {
01009   mViewer->widget()->setFocusPolicy(WheelFocus);
01010   // Let's better be paranoid and disable plugins (it defaults to enabled):
01011   mViewer->setPluginsEnabled(false);
01012   mViewer->setJScriptEnabled(false); // just make this explicit
01013   mViewer->setJavaEnabled(false);    // just make this explicit
01014   mViewer->setMetaRefreshEnabled(false);
01015   mViewer->setURLCursor(KCursor::handCursor());
01016   // Espen 2000-05-14: Getting rid of thick ugly frames
01017   mViewer->view()->setLineWidth(0);
01018   // register our own event filter for shift-click
01019   mViewer->view()->viewport()->installEventFilter( this );
01020 
01021   if ( !htmlWriter() )
01022 #ifdef KMAIL_READER_HTML_DEBUG
01023     mHtmlWriter = new TeeHtmlWriter( new FileHtmlWriter( QString::null ),
01024                      new KHtmlPartHtmlWriter( mViewer, 0 ) );
01025 #else
01026     mHtmlWriter = new KHtmlPartHtmlWriter( mViewer, 0 );
01027 #endif
01028 
01029   connect(mViewer->browserExtension(),
01030           SIGNAL(openURLRequest(const KURL &, const KParts::URLArgs &)),this,
01031           SLOT(slotUrlOpen(const KURL &)));
01032   connect(mViewer->browserExtension(),
01033           SIGNAL(createNewWindow(const KURL &, const KParts::URLArgs &)),this,
01034           SLOT(slotUrlOpen(const KURL &)));
01035   connect(mViewer,SIGNAL(popupMenu(const QString &, const QPoint &)),
01036           SLOT(slotUrlPopup(const QString &, const QPoint &)));
01037   connect( kmkernel->imProxy(), SIGNAL( sigContactPresenceChanged( const QString & ) ),
01038           this, SLOT( contactStatusChanged( const QString & ) ) );
01039   connect( kmkernel->imProxy(), SIGNAL( sigPresenceInfoExpired() ),
01040           this, SLOT( updateReaderWin() ) );
01041 }
01042 
01043 void KMReaderWin::contactStatusChanged( const QString &uid)
01044 {
01045 //  kdDebug( 5006 ) << k_funcinfo << " got a presence change for " << uid << endl;
01046   // get the list of nodes for this contact from the htmlView
01047   DOM::NodeList presenceNodes = mViewer->htmlDocument()
01048     .getElementsByName( DOM::DOMString( QString::fromLatin1("presence-") + uid ) );
01049   for ( unsigned int i = 0; i < presenceNodes.length(); ++i ) {
01050     DOM::Node n =  presenceNodes.item( i );
01051     kdDebug( 5006 ) << "name is " << n.nodeName().string() << endl;
01052     kdDebug( 5006 ) << "value of content was " << n.firstChild().nodeValue().string() << endl;
01053     QString newPresence = kmkernel->imProxy()->presenceString( uid );
01054     if ( newPresence.isNull() ) // KHTML crashes if you setNodeValue( QString::null )
01055       newPresence = QString::fromLatin1( "ENOIMRUNNING" );
01056     n.firstChild().setNodeValue( newPresence );
01057 //    kdDebug( 5006 ) << "value of content is now " << n.firstChild().nodeValue().string() << endl;
01058   }
01059 //  kdDebug( 5006 ) << "and we updated the above presence nodes" << uid << endl;
01060 }
01061 
01062 void KMReaderWin::setAttachmentStrategy( const AttachmentStrategy * strategy ) {
01063   mAttachmentStrategy = strategy ? strategy : AttachmentStrategy::smart();
01064   update( true );
01065 }
01066 
01067 void KMReaderWin::setHeaderStyleAndStrategy( const HeaderStyle * style,
01068                          const HeaderStrategy * strategy ) {
01069   mHeaderStyle = style ? style : HeaderStyle::fancy();
01070   mHeaderStrategy = strategy ? strategy : HeaderStrategy::rich();
01071   if ( mHeaderOnlyAttachmentsAction ) {
01072     const bool styleHasAttachmentQuickList = mHeaderStyle == HeaderStyle::fancy() ||
01073                                              mHeaderStyle == HeaderStyle::enterprise();
01074     mHeaderOnlyAttachmentsAction->setEnabled( styleHasAttachmentQuickList );
01075     if ( !styleHasAttachmentQuickList && mAttachmentStrategy == AttachmentStrategy::headerOnly() ) {
01076       // Style changed to something without an attachment quick list, need to change attachment
01077       // strategy
01078       setAttachmentStrategy( AttachmentStrategy::smart() );
01079     }
01080   }
01081   update( true );
01082 }
01083 
01084 //-----------------------------------------------------------------------------
01085 void KMReaderWin::setOverrideEncoding( const QString & encoding )
01086 {
01087   if ( encoding == mOverrideEncoding )
01088     return;
01089 
01090   mOverrideEncoding = encoding;
01091   if ( mSelectEncodingAction ) {
01092     if ( encoding.isEmpty() ) {
01093       mSelectEncodingAction->setCurrentItem( 0 );
01094     }
01095     else {
01096       QStringList encodings = mSelectEncodingAction->items();
01097       uint i = 0;
01098       for ( QStringList::const_iterator it = encodings.begin(), end = encodings.end(); it != end; ++it, ++i ) {
01099         if ( KGlobal::charsets()->encodingForName( *it ) == encoding ) {
01100           mSelectEncodingAction->setCurrentItem( i );
01101           break;
01102         }
01103       }
01104       if ( i == encodings.size() ) {
01105         // the value of encoding is unknown => use Auto
01106         kdWarning(5006) << "Unknown override character encoding \"" << encoding
01107                         << "\". Using Auto instead." << endl;
01108         mSelectEncodingAction->setCurrentItem( 0 );
01109         mOverrideEncoding = QString::null;
01110       }
01111     }
01112   }
01113   update( true );
01114 }
01115 
01116 
01117 void KMReaderWin::setPrintFont( const QFont& font )
01118 {
01119 
01120   mCSSHelper->setPrintFont( font );
01121 }
01122 
01123 //-----------------------------------------------------------------------------
01124 const QTextCodec * KMReaderWin::overrideCodec() const
01125 {
01126   if ( mOverrideEncoding.isEmpty() || mOverrideEncoding == "Auto" ) // Auto
01127     return 0;
01128   else
01129     return KMMsgBase::codecForName( mOverrideEncoding.latin1() );
01130 }
01131 
01132 //-----------------------------------------------------------------------------
01133 void KMReaderWin::slotSetEncoding()
01134 {
01135   if ( mSelectEncodingAction->currentItem() == 0 ) // Auto
01136     mOverrideEncoding = QString();
01137   else
01138     mOverrideEncoding = KGlobal::charsets()->encodingForName( mSelectEncodingAction->currentText() );
01139   update( true );
01140 }
01141 
01142 //-----------------------------------------------------------------------------
01143 void KMReaderWin::readGlobalOverrideCodec()
01144 {
01145   // if the global character encoding wasn't changed then there's nothing to do
01146   if ( GlobalSettings::self()->overrideCharacterEncoding() == mOldGlobalOverrideEncoding )
01147     return;
01148 
01149   setOverrideEncoding( GlobalSettings::self()->overrideCharacterEncoding() );
01150   mOldGlobalOverrideEncoding = GlobalSettings::self()->overrideCharacterEncoding();
01151 }
01152 
01153 //-----------------------------------------------------------------------------
01154 void KMReaderWin::setOriginalMsg( unsigned long serNumOfOriginalMessage, int nodeIdOffset )
01155 {
01156   mSerNumOfOriginalMessage = serNumOfOriginalMessage;
01157   mNodeIdOffset = nodeIdOffset;
01158 }
01159 
01160 //-----------------------------------------------------------------------------
01161 void KMReaderWin::setMsg( KMMessage* aMsg, bool force, bool updateOnly )
01162 {
01163   if ( aMsg ) {
01164     kdDebug(5006) << "(" << aMsg->getMsgSerNum() << ", last " << mLastSerNum << ") " << aMsg->subject() << " "
01165                   << aMsg->fromStrip() << ", readyToShow " << (aMsg->readyToShow()) << endl;
01166   }
01167 
01168   // Reset message-transient state
01169   if ( aMsg && aMsg->getMsgSerNum() != mLastSerNum && !updateOnly ){
01170     mLevelQuote = GlobalSettings::self()->collapseQuoteLevelSpin()-1;
01171     mShowRawToltecMail = !GlobalSettings::self()->showToltecReplacementText();
01172     clearBodyPartMementos();
01173   }
01174   if ( mPrinting )
01175     mLevelQuote = -1;
01176 
01177   bool complete = true;
01178   if ( aMsg &&
01179        !aMsg->readyToShow() &&
01180        (aMsg->getMsgSerNum() != mLastSerNum) &&
01181        !aMsg->isComplete() )
01182     complete = false;
01183 
01184   // If not forced and there is aMsg and aMsg is same as mMsg then return
01185   if (!force && aMsg && mLastSerNum != 0 && aMsg->getMsgSerNum() == mLastSerNum)
01186     return;
01187 
01188   // (de)register as observer
01189   if (aMsg && message())
01190     message()->detach( this );
01191   if (aMsg)
01192     aMsg->attach( this );
01193   mAtmUpdate = false;
01194 
01195   // connect to the updates if we have hancy headers
01196 
01197   mDelayedMarkTimer.stop();
01198 
01199   mMessage = 0;
01200   if ( !aMsg ) {
01201     mWaitingForSerNum = 0; // otherwise it has been set
01202     mLastSerNum = 0;
01203   } else {
01204     mLastSerNum = aMsg->getMsgSerNum();
01205     // Check if the serial number can be used to find the assoc KMMessage
01206     // If so, keep only the serial number (and not mMessage), to avoid a dangling mMessage
01207     // when going to another message in the mainwindow.
01208     // Otherwise, keep only mMessage, this is fine for standalone KMReaderMainWins since
01209     // we're working on a copy of the KMMessage, which we own.
01210     if (message() != aMsg) {
01211       mMessage = aMsg;
01212       mLastSerNum = 0;
01213     }
01214   }
01215 
01216   if (aMsg) {
01217     aMsg->setOverrideCodec( overrideCodec() );
01218     aMsg->setDecodeHTML( htmlMail() );
01219     // FIXME: workaround to disable DND for IMAP load-on-demand
01220     if ( !aMsg->isComplete() )
01221       mViewer->setDNDEnabled( false );
01222     else
01223       mViewer->setDNDEnabled( true );
01224   }
01225 
01226   const KMMessage * const oldMessage = message();
01227 
01228   // only display the msg if it is complete
01229   // otherwise we'll get flickering with progressively loaded messages
01230   if ( complete )
01231   {
01232     // Avoid flicker, somewhat of a cludge
01233     if (force) {
01234       // stop the timer to avoid calling updateReaderWin twice
01235       mUpdateReaderWinTimer.stop();
01236       updateReaderWin();
01237     }
01238     else if (mUpdateReaderWinTimer.isActive())
01239       mUpdateReaderWinTimer.changeInterval( delay );
01240     else
01241       mUpdateReaderWinTimer.start( 0, true );
01242   }
01243 
01244   const bool messageChangedDuringUpdate = message() != oldMessage;
01245 
01246   // The message can change during updateReaderWin() because of a recursive setMsg() call that
01247   // is triggered by KMMainWidget::slotReplaceMsgByUnencryptedVersion.
01248   // Don't touch aMsg in this case, since that pointer will be invalid.
01249   if ( !messageChangedDuringUpdate ) {
01250     if ( aMsg && (aMsg->isUnread() || aMsg->isNew()) && GlobalSettings::self()->delayedMarkAsRead() ) {
01251       if ( GlobalSettings::self()->delayedMarkTime() != 0 )
01252         mDelayedMarkTimer.start( GlobalSettings::self()->delayedMarkTime() * 1000, true );
01253       else
01254         slotTouchMessage();
01255     }
01256   }
01257 }
01258 
01259 //-----------------------------------------------------------------------------
01260 void KMReaderWin::clearCache()
01261 {
01262   mUpdateReaderWinTimer.stop();
01263   clear();
01264   mDelayedMarkTimer.stop();
01265   mLastSerNum = 0;
01266   mWaitingForSerNum = 0;
01267   mMessage = 0;
01268 }
01269 
01270 // enter items for the "Important changes" list here:
01271 static const char * const kmailChanges[] = {
01272   ""
01273 };
01274 static const int numKMailChanges =
01275   sizeof kmailChanges / sizeof *kmailChanges;
01276 
01277 // enter items for the "new features" list here, so the main body of
01278 // the welcome page can be left untouched (probably much easier for
01279 // the translators). Note that the <li>...</li> tags are added
01280 // automatically below:
01281 static const char * const kmailNewFeatures[] = {
01282   I18N_NOOP("Full namespace support for IMAP"),
01283   I18N_NOOP("Offline mode"),
01284   I18N_NOOP("Sieve script management and editing"),
01285   I18N_NOOP("Account specific filtering"),
01286   I18N_NOOP("Filtering of incoming mail for online IMAP accounts"),
01287   I18N_NOOP("Online IMAP folders can be used when filtering into folders"),
01288   I18N_NOOP("Automatically delete older mails on POP servers")
01289 };
01290 static const int numKMailNewFeatures =
01291   sizeof kmailNewFeatures / sizeof *kmailNewFeatures;
01292 
01293 
01294 //-----------------------------------------------------------------------------
01295 //static
01296 QString KMReaderWin::newFeaturesMD5()
01297 {
01298   QCString str;
01299   for ( int i = 0 ; i < numKMailChanges ; ++i )
01300     str += kmailChanges[i];
01301   for ( int i = 0 ; i < numKMailNewFeatures ; ++i )
01302     str += kmailNewFeatures[i];
01303   KMD5 md5( str );
01304   return md5.base64Digest();
01305 }
01306 
01307 //-----------------------------------------------------------------------------
01308 void KMReaderWin::displaySplashPage( const QString &info )
01309 {
01310   mMsgDisplay = false;
01311   adjustLayout();
01312 
01313   QString location = locate("data", "kmail/about/main.html");
01314   QString content = KPIM::kFileToString(location);
01315   content = content.arg( locate( "data", "libkdepim/about/kde_infopage.css" ) );
01316   if ( kapp->reverseLayout() )
01317     content = content.arg( "@import \"%1\";" ).arg( locate( "data", "libkdepim/about/kde_infopage_rtl.css" ) );
01318   else
01319     content = content.arg( "" );
01320 
01321   mViewer->begin(KURL( location ));
01322 
01323   QString fontSize = QString::number( pointsToPixel( mCSSHelper->bodyFont().pointSize() ) );
01324   QString appTitle = i18n("KMail");
01325   QString catchPhrase = ""; //not enough space for a catch phrase at default window size i18n("Part of the Kontact Suite");
01326   QString quickDescription = i18n("The email client for the K Desktop Environment.");
01327   mViewer->write(content.arg(fontSize).arg(appTitle).arg(catchPhrase).arg(quickDescription).arg(info));
01328   mViewer->end();
01329 }
01330 
01331 void KMReaderWin::displayBusyPage()
01332 {
01333   QString info =
01334     i18n( "<h2 style='margin-top: 0px;'>Retrieving Folder Contents</h2><p>Please wait . . .</p>&nbsp;" );
01335 
01336   displaySplashPage( info );
01337 }
01338 
01339 void KMReaderWin::displayOfflinePage()
01340 {
01341   QString info =
01342     i18n( "<h2 style='margin-top: 0px;'>Offline</h2><p>KMail is currently in offline mode. "
01343         "Click <a href=\"kmail:goOnline\">here</a> to go online . . .</p>&nbsp;" );
01344 
01345   displaySplashPage( info );
01346 }
01347 
01348 
01349 //-----------------------------------------------------------------------------
01350 void KMReaderWin::displayAboutPage()
01351 {
01352   QString info =
01353     i18n("%1: KMail version; %2: help:// URL; %3: homepage URL; "
01354      "%4: prior KMail version; %5: prior KDE version; "
01355      "%6: generated list of new features; "
01356      "%7: First-time user text (only shown on first start); "
01357          "%8: generated list of important changes; "
01358      "--- end of comment ---",
01359      "<h2 style='margin-top: 0px;'>Welcome to KMail %1</h2><p>KMail is the email client for the K "
01360      "Desktop Environment. It is designed to be fully compatible with "
01361      "Internet mailing standards including MIME, SMTP, POP3 and IMAP."
01362      "</p>\n"
01363      "<ul><li>KMail has many powerful features which are described in the "
01364      "<a href=\"%2\">documentation</a></li>\n"
01365      "<li>The <a href=\"%3\">KMail homepage</A> offers information about "
01366      "new versions of KMail</li></ul>\n"
01367          "%8\n" // important changes
01368      "<p>Some of the new features in this release of KMail include "
01369      "(compared to KMail %4, which is part of KDE %5):</p>\n"
01370      "<ul>\n%6</ul>\n"
01371      "%7\n"
01372      "<p>We hope that you will enjoy KMail.</p>\n"
01373      "<p>Thank you,</p>\n"
01374          "<p style='margin-bottom: 0px'>&nbsp; &nbsp; The KMail Team</p>")
01375     .arg(KMAIL_VERSION) // KMail version
01376     .arg("help:/kmail/index.html") // KMail help:// URL
01377     .arg("http://kontact.kde.org/kmail/") // KMail homepage URL
01378     .arg("1.8").arg("3.4"); // prior KMail and KDE version
01379 
01380   QString featureItems;
01381   for ( int i = 0 ; i < numKMailNewFeatures ; i++ )
01382     featureItems += i18n("<li>%1</li>\n").arg( i18n( kmailNewFeatures[i] ) );
01383 
01384   info = info.arg( featureItems );
01385 
01386   if( kmkernel->firstStart() ) {
01387     info = info.arg( i18n("<p>Please take a moment to fill in the KMail "
01388               "configuration panel at Settings-&gt;Configure "
01389               "KMail.\n"
01390               "You need to create at least a default identity and "
01391               "an incoming as well as outgoing mail account."
01392               "</p>\n") );
01393   } else {
01394     info = info.arg( QString::null );
01395   }
01396 
01397   if ( ( numKMailChanges > 1 ) || ( numKMailChanges == 1 && strlen(kmailChanges[0]) > 0 ) ) {
01398     QString changesText =
01399       i18n("<p><span style='font-size:125%; font-weight:bold;'>"
01400            "Important changes</span> (compared to KMail %1):</p>\n")
01401       .arg("1.8");
01402     changesText += "<ul>\n";
01403     for ( int i = 0 ; i < numKMailChanges ; i++ )
01404       changesText += i18n("<li>%1</li>\n").arg( i18n( kmailChanges[i] ) );
01405     changesText += "</ul>\n";
01406     info = info.arg( changesText );
01407   }
01408   else
01409     info = info.arg(""); // remove the %8
01410 
01411   displaySplashPage( info );
01412 }
01413 
01414 void KMReaderWin::enableMsgDisplay() {
01415   mMsgDisplay = true;
01416   adjustLayout();
01417 }
01418 
01419 
01420 //-----------------------------------------------------------------------------
01421 
01422 void KMReaderWin::updateReaderWin()
01423 {
01424   if (!mMsgDisplay) return;
01425 
01426   mViewer->setOnlyLocalReferences(!htmlLoadExternal());
01427 
01428   htmlWriter()->reset();
01429 
01430   KMFolder* folder = 0;
01431   if (message(&folder))
01432   {
01433     if ( mShowColorbar )
01434       mColorBar->show();
01435     else
01436       mColorBar->hide();
01437     displayMessage();
01438   }
01439   else
01440   {
01441     mColorBar->hide();
01442     mMimePartTree->hide();
01443     mMimePartTree->clear();
01444     htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
01445     htmlWriter()->write( mCSSHelper->htmlHead( isFixedFont() ) + "</body></html>" );
01446     htmlWriter()->end();
01447   }
01448 
01449   if (mSavedRelativePosition)
01450   {
01451     QScrollView * scrollview = static_cast<QScrollView *>(mViewer->widget());
01452     scrollview->setContentsPos( 0,
01453       qRound( scrollview->contentsHeight() * mSavedRelativePosition ) );
01454     mSavedRelativePosition = 0;
01455   }
01456 }
01457 
01458 //-----------------------------------------------------------------------------
01459 int KMReaderWin::pointsToPixel(int pointSize) const
01460 {
01461   const QPaintDeviceMetrics pdm(mViewer->view());
01462 
01463   return (pointSize * pdm.logicalDpiY() + 36) / 72;
01464 }
01465 
01466 //-----------------------------------------------------------------------------
01467 void KMReaderWin::showHideMimeTree( bool isPlainTextTopLevel ) {
01468   if ( mMimeTreeMode == 2 ||
01469        ( mMimeTreeMode == 1 && !isPlainTextTopLevel ) )
01470     mMimePartTree->show();
01471   else {
01472     // don't rely on QSplitter maintaining sizes for hidden widgets:
01473     KConfigGroup reader( KMKernel::config(), "Reader" );
01474     saveSplitterSizes( reader );
01475     mMimePartTree->hide();
01476   }
01477 }
01478 
01479 void KMReaderWin::displayMessage() {
01480   KMMessage * msg = message();
01481 
01482   mMimePartTree->clear();
01483   showHideMimeTree( !msg || // treat no message as "text/plain"
01484             ( msg->type() == DwMime::kTypeText
01485               && msg->subtype() == DwMime::kSubtypePlain ) );
01486 
01487   if ( !msg )
01488     return;
01489 
01490   msg->setOverrideCodec( overrideCodec() );
01491 
01492   htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
01493   htmlWriter()->queue( mCSSHelper->htmlHead( isFixedFont() ) );
01494 
01495   if (!parent())
01496     setCaption(msg->subject());
01497 
01498   removeTempFiles();
01499 
01500   mColorBar->setNeutralMode();
01501 
01502   parseMsg(msg);
01503 
01504   if( mColorBar->isNeutral() )
01505     mColorBar->setNormalMode();
01506 
01507   htmlWriter()->queue("</body></html>");
01508   htmlWriter()->flush();
01509 
01510   QTimer::singleShot( 1, this, SLOT(injectAttachments()) );
01511 }
01512 
01513 static bool message_was_saved_decrypted_before( const KMMessage * msg ) {
01514   if ( !msg )
01515     return false;
01516   //kdDebug(5006) << "msgId = " << msg->msgId() << endl;
01517   return msg->msgId().stripWhiteSpace().startsWith( "<DecryptedMsg." );
01518 }
01519 
01520 //-----------------------------------------------------------------------------
01521 bool KMReaderWin::saveDecryptedMessage( KMMessage* aMsg, ObjectTreeParser *otp,
01522                                         KMMsgEncryptionState encryptionState )
01523 {
01524   bool messageWasReplaced = false;
01525   const KConfigGroup reader( KMKernel::config(), "Reader" );
01526   if ( reader.readBoolEntry( "store-displayed-messages-unencrypted", false ) ) {
01527 
01528     // Hack to make sure the S/MIME CryptPlugs follows the strict requirement
01529     // of german government:
01530     // --> All received encrypted messages *must* be stored in unencrypted form
01531     //     after they have been decrypted once the user has read them.
01532     //     ( "Aufhebung der Verschluesselung nach dem Lesen" )
01533     //
01534     // note: Since there is no configuration option for this, we do that for
01535     //       all kinds of encryption now - *not* just for S/MIME.
01536     //       This could be changed in the objectTreeToDecryptedMsg() function
01537     //       by deciding when (or when not, resp.) to set the 'dataNode' to
01538     //       something different than 'curNode'.
01539 
01540 
01541     kdDebug(5006) << "\n\n\nKMReaderWin::parseMsg()  -  special post-encryption handling:\n1." << endl;
01542     kdDebug(5006) << "(aMsg == msg) = "                               << (aMsg == message()) << endl;
01543     kdDebug(5006) << "aMsg->parent() && aMsg->parent() != kmkernel->outboxFolder() = " << (aMsg->parent() && aMsg->parent() != kmkernel->outboxFolder()) << endl;
01544     kdDebug(5006) << "message_was_saved_decrypted_before( aMsg ) = " << message_was_saved_decrypted_before( aMsg ) << endl;
01545     kdDebug(5006) << "this->decryptMessage() = " << decryptMessage() << endl;
01546     kdDebug(5006) << "otp.hasPendingAsyncJobs() = " << otp->hasPendingAsyncJobs() << endl;
01547     kdDebug(5006) << "   (KMMsgFullyEncrypted == encryptionState) = "     << (KMMsgFullyEncrypted == encryptionState) << endl;
01548     kdDebug(5006) << "|| (KMMsgPartiallyEncrypted == encryptionState) = " << (KMMsgPartiallyEncrypted == encryptionState) << endl;
01549            // only proceed if we were called the normal way - not by
01550            // double click on the message (==not running in a separate window)
01551     if(    (aMsg == message())
01552            // don't remove encryption in the outbox folder :)
01553         && ( aMsg->parent() && aMsg->parent() != kmkernel->outboxFolder() )
01554            // only proceed if this message was not saved encryptedly before
01555         && !message_was_saved_decrypted_before( aMsg )
01556            // only proceed if the message has actually been decrypted
01557         && decryptMessage()
01558            // only proceed if no pending async jobs are running:
01559         && !otp->hasPendingAsyncJobs()
01560            // only proceed if this message is (at least partially) encrypted
01561         && (    (KMMsgFullyEncrypted == encryptionState)
01562              || (KMMsgPartiallyEncrypted == encryptionState) ) ) {
01563 
01564       kdDebug(5006) << "KMReaderWin  -  calling objectTreeToDecryptedMsg()" << endl;
01565 
01566       NewByteArray decryptedData;
01567       // note: The following call may change the message's headers.
01568       const bool messageWasChanged =
01569           objectTreeToDecryptedMsg( mRootNode, decryptedData, aMsg->getTopLevelPart() );
01570       // add a \0 to the data
01571       decryptedData.appendNULL();
01572       QCString resultString( decryptedData.data() );
01573       //kdDebug(5006) << "KMReaderWin  -  resulting data:" << resultString << endl;
01574 
01575       if( !resultString.isEmpty() && messageWasChanged ) {
01576         kdDebug(5006) << "KMReaderWin  -  composing unencrypted message" << endl;
01577         // try this:
01578         aMsg->setBody( resultString );
01579         KMMessage* unencryptedMessage = new KMMessage( *aMsg );
01580         unencryptedMessage->setParent( 0 );
01581         // because this did not work:
01582         /*
01583         DwMessage dwMsg( aMsg->asDwString() );
01584         dwMsg.Body() = DwBody( DwString( resultString.data() ) );
01585         dwMsg.Body().Parse();
01586         KMMessage* unencryptedMessage = new KMMessage( &dwMsg );
01587         */
01588         //kdDebug(5006) << "KMReaderWin  -  resulting message:" << unencryptedMessage->asString() << endl;
01589         kdDebug(5006) << "KMReaderWin  -  attach unencrypted message to aMsg" << endl;
01590         aMsg->setUnencryptedMsg( unencryptedMessage );
01591         messageWasReplaced = true;
01592       }
01593     }
01594   }
01595   return messageWasReplaced;
01596 }
01597 
01598 //-----------------------------------------------------------------------------
01599 void KMReaderWin::parseMsg(KMMessage* aMsg)
01600 {
01601   KMMessagePart msgPart;
01602   QCString subtype, contDisp;
01603   QByteArray str;
01604 
01605   assert(aMsg!=0);
01606 
01607   aMsg->setIsBeingParsed( true );
01608 
01609   if ( mRootNode && !mRootNode->processed() )
01610   {
01611     kdWarning() << "The root node is not yet processed! Danger!\n";
01612     return;
01613   } else
01614     delete mRootNode;
01615   mRootNode = partNode::fromMessage( aMsg, this );
01616   const QCString mainCntTypeStr = mRootNode->typeString() + '/' + mRootNode->subTypeString();
01617 
01618   QString cntDesc = aMsg->subject();
01619   if( cntDesc.isEmpty() )
01620     cntDesc = i18n("( body part )");
01621   KIO::filesize_t cntSize = aMsg->msgSize();
01622   QString cntEnc;
01623   if( aMsg->contentTransferEncodingStr().isEmpty() )
01624     cntEnc = "7bit";
01625   else
01626     cntEnc = aMsg->contentTransferEncodingStr();
01627 
01628   // fill the MIME part tree viewer
01629   mRootNode->fillMimePartTree( 0,
01630                    mMimePartTree,
01631                    cntDesc,
01632                    mainCntTypeStr,
01633                    cntEnc,
01634                    cntSize );
01635 
01636   partNode* vCardNode = mRootNode->findType( DwMime::kTypeText, DwMime::kSubtypeXVCard );
01637   bool hasVCard = false;
01638   if( vCardNode ) {
01639     // ### FIXME: We should only do this if the vCard belongs to the sender,
01640     // ### i.e. if the sender's email address is contained in the vCard.
01641     KABC::VCardConverter t;
01642 #if defined(KABC_VCARD_ENCODING_FIX)
01643     const QByteArray vcard = vCardNode->msgPart().bodyDecodedBinary();
01644     if ( !t.parseVCardsRaw( vcard.data() ).empty() ) {
01645 #else
01646     const QString vcard = vCardNode->msgPart().bodyToUnicode( overrideCodec() );
01647     if ( !t.parseVCards( vcard ).empty() ) {
01648 #endif
01649       hasVCard = true;
01650       writeMessagePartToTempFile( &vCardNode->msgPart(), vCardNode->nodeId() );
01651     }
01652   }
01653 
01654   if ( !mRootNode || !mRootNode->isToltecMessage() || mShowRawToltecMail ) {
01655     htmlWriter()->queue( writeMsgHeader(aMsg, hasVCard ? vCardNode : 0, true ) );
01656   }
01657 
01658   // show message content
01659   ObjectTreeParser otp( this );
01660   otp.setAllowAsync( true );
01661   otp.setShowRawToltecMail( mShowRawToltecMail );
01662   otp.parseObjectTree( mRootNode );
01663 
01664   // store encrypted/signed status information in the KMMessage
01665   //  - this can only be done *after* calling parseObjectTree()
01666   KMMsgEncryptionState encryptionState = mRootNode->overallEncryptionState();
01667   KMMsgSignatureState  signatureState  = mRootNode->overallSignatureState();
01668   // Don't crash when switching message while GPG passphrase entry dialog is shown #53185
01669   if (aMsg != message()) {
01670     displayMessage();
01671     return;
01672   }
01673   aMsg->setEncryptionState( encryptionState );
01674   // Don't reset the signature state to "not signed" (e.g. if one canceled the
01675   // decryption of a signed messages which has already been decrypted before).
01676   if ( signatureState != KMMsgNotSigned ||
01677        aMsg->signatureState() == KMMsgSignatureStateUnknown ) {
01678     aMsg->setSignatureState( signatureState );
01679   }
01680 
01681   // Note that saveDecryptedMessage will delete aMsg, we can not use it afterwards anymore!
01682   const bool messageWasReplaced = saveDecryptedMessage( aMsg, &otp, encryptionState );
01683 
01684   if( messageWasReplaced ) {
01685     kdDebug(5006) << "KMReaderWin  -  invoke saving in decrypted form:" << endl;
01686     emit replaceMsgByUnencryptedVersion();
01687   } else {
01688     kdDebug(5006) << "KMReaderWin  -  finished parsing and displaying of message." << endl;
01689 
01690     // store message id to avoid endless recursions
01691     setIdOfLastViewedMessage( aMsg->msgId() );
01692 
01693     // save current main Content-Type before deleting mRootNode
01694     const int rootNodeCntType = mRootNode ? mRootNode->type() : DwMime::kTypeText;
01695     const int rootNodeCntSubtype = mRootNode ? mRootNode->subType() : DwMime::kSubtypePlain;
01696     showHideMimeTree( rootNodeCntType == DwMime::kTypeText &&
01697                       rootNodeCntSubtype == DwMime::kSubtypePlain );
01698     aMsg->setIsBeingParsed( false );
01699   }
01700 }
01701 
01702 
01703 //-----------------------------------------------------------------------------
01704 QString KMReaderWin::writeMsgHeader( KMMessage* aMsg, partNode *vCardNode, bool topLevel )
01705 {
01706   kdFatal( !headerStyle(), 5006 )
01707     << "trying to writeMsgHeader() without a header style set!" << endl;
01708   kdFatal( !headerStrategy(), 5006 )
01709     << "trying to writeMsgHeader() without a header strategy set!" << endl;
01710   QString href;
01711   if ( vCardNode )
01712     href = vCardNode->asHREF( "body" );
01713 
01714   return headerStyle()->format( aMsg, headerStrategy(), href, mPrinting, topLevel );
01715 }
01716 
01717 
01718 
01719 //-----------------------------------------------------------------------------
01720 QString KMReaderWin::writeMessagePartToTempFile( KMMessagePart* aMsgPart,
01721                                                  int aPartNum )
01722 {
01723   QString fileName = aMsgPart->fileName();
01724   if( fileName.isEmpty() )
01725     fileName = aMsgPart->name();
01726 
01727   //--- Sven's save attachments to /tmp start ---
01728   QString fname = createTempDir( QString::number( aPartNum ) );
01729   if ( fname.isEmpty() )
01730     return QString();
01731 
01732   // strip off a leading path
01733   int slashPos = fileName.findRev( '/' );
01734   if( -1 != slashPos )
01735     fileName = fileName.mid( slashPos + 1 );
01736   if( fileName.isEmpty() )
01737     fileName = "unnamed";
01738   fname += "/" + fileName;
01739 
01740   QByteArray data = aMsgPart->bodyDecodedBinary();
01741   size_t size = data.size();
01742   if ( aMsgPart->type() == DwMime::kTypeText && size) {
01743     // convert CRLF to LF before writing text attachments to disk
01744     size = KMail::Util::crlf2lf( data.data(), size );
01745   }
01746   if( !KPIM::kBytesToFile( data.data(), size, fname, false, false, false ) )
01747     return QString::null;
01748 
01749   mTempFiles.append( fname );
01750   // make file read-only so that nobody gets the impression that he might
01751   // edit attached files (cf. bug #52813)
01752   ::chmod( QFile::encodeName( fname ), S_IRUSR );
01753 
01754   return fname;
01755 }
01756 
01757 QString KMReaderWin::createTempDir( const QString &param )
01758 {
01759   KTempFile *tempFile = new KTempFile( QString::null, "." + param );
01760   tempFile->setAutoDelete( true );
01761   QString fname = tempFile->name();
01762   delete tempFile;
01763 
01764   if( ::access( QFile::encodeName( fname ), W_OK ) != 0 )
01765     // Not there or not writable
01766     if( ::mkdir( QFile::encodeName( fname ), 0 ) != 0
01767         || ::chmod( QFile::encodeName( fname ), S_IRWXU ) != 0 )
01768       return QString::null; //failed create
01769 
01770   assert( !fname.isNull() );
01771 
01772   mTempDirs.append( fname );
01773   return fname;
01774 }
01775 
01776 //-----------------------------------------------------------------------------
01777 void KMReaderWin::showVCard( KMMessagePart *msgPart )
01778 {
01779 #if defined(KABC_VCARD_ENCODING_FIX)
01780   const QByteArray vCard = msgPart->bodyDecodedBinary();
01781 #else
01782   const QString vCard = msgPart->bodyToUnicode( overrideCodec() );
01783 #endif
01784   VCardViewer *vcv = new VCardViewer( this, vCard, "vCardDialog" );
01785   vcv->show();
01786 }
01787 
01788 //-----------------------------------------------------------------------------
01789 void KMReaderWin::printMsg()
01790 {
01791   if (!message()) return;
01792   mViewer->view()->print();
01793 }
01794 
01795 
01796 //-----------------------------------------------------------------------------
01797 int KMReaderWin::msgPartFromUrl(const KURL &aUrl)
01798 {
01799   if (aUrl.isEmpty()) return -1;
01800   if (!aUrl.isLocalFile()) return -1;
01801 
01802   QString path = aUrl.path();
01803   uint right = path.findRev('/');
01804   uint left = path.findRev('.', right);
01805 
01806   bool ok;
01807   int res = path.mid(left + 1, right - left - 1).toInt(&ok);
01808   return (ok) ? res : -1;
01809 }
01810 
01811 
01812 //-----------------------------------------------------------------------------
01813 void KMReaderWin::resizeEvent(QResizeEvent *)
01814 {
01815   if( !mResizeTimer.isActive() )
01816   {
01817     //
01818     // Combine all resize operations that are requested as long a
01819     // the timer runs.
01820     //
01821     mResizeTimer.start( 100, true );
01822   }
01823 }
01824 
01825 
01826 //-----------------------------------------------------------------------------
01827 void KMReaderWin::slotDelayedResize()
01828 {
01829   mSplitter->setGeometry(0, 0, width(), height());
01830 }
01831 
01832 
01833 //-----------------------------------------------------------------------------
01834 void KMReaderWin::slotTouchMessage()
01835 {
01836   if ( !message() )
01837     return;
01838 
01839   if ( !message()->isNew() && !message()->isUnread() )
01840     return;
01841 
01842   SerNumList serNums;
01843   serNums.append( message()->getMsgSerNum() );
01844   KMCommand *command = new KMSetStatusCommand( KMMsgStatusRead, serNums );
01845   command->start();
01846 
01847   // should we send an MDN?
01848   if ( mNoMDNsWhenEncrypted &&
01849        message()->encryptionState() != KMMsgNotEncrypted &&
01850        message()->encryptionState() != KMMsgEncryptionStateUnknown )
01851     return;
01852 
01853   KMFolder *folder = message()->parent();
01854   if (folder &&
01855      (folder->isOutbox() || folder->isSent() || folder->isTrash() ||
01856       folder->isDrafts() || folder->isTemplates() ) )
01857     return;
01858 
01859   if ( KMMessage * receipt = message()->createMDN( MDN::ManualAction,
01860                            MDN::Displayed,
01861                            true /* allow GUI */ ) )
01862     if ( !kmkernel->msgSender()->send( receipt ) ) // send or queue
01863       KMessageBox::error( this, i18n("Could not send MDN.") );
01864 }
01865 
01866 
01867 //-----------------------------------------------------------------------------
01868 void KMReaderWin::closeEvent(QCloseEvent *e)
01869 {
01870   QWidget::closeEvent(e);
01871   writeConfig();
01872 }
01873 
01874 
01875 bool foundSMIMEData( const QString aUrl,
01876                      QString& displayName,
01877                      QString& libName,
01878                      QString& keyId )
01879 {
01880   static QString showCertMan("showCertificate#");
01881   displayName = "";
01882   libName = "";
01883   keyId = "";
01884   int i1 = aUrl.find( showCertMan );
01885   if( -1 < i1 ) {
01886     i1 += showCertMan.length();
01887     int i2 = aUrl.find(" ### ", i1);
01888     if( i1 < i2 )
01889     {
01890       displayName = aUrl.mid( i1, i2-i1 );
01891       i1 = i2+5;
01892       i2 = aUrl.find(" ### ", i1);
01893       if( i1 < i2 )
01894       {
01895         libName = aUrl.mid( i1, i2-i1 );
01896         i2 += 5;
01897 
01898         keyId = aUrl.mid( i2 );
01899         /*
01900         int len = aUrl.length();
01901         if( len > i2+1 ) {
01902           keyId = aUrl.mid( i2, 2 );
01903           i2 += 2;
01904           while( len > i2+1 ) {
01905             keyId += ':';
01906             keyId += aUrl.mid( i2, 2 );
01907             i2 += 2;
01908           }
01909         }
01910         */
01911       }
01912     }
01913   }
01914   return !keyId.isEmpty();
01915 }
01916 
01917 
01918 //-----------------------------------------------------------------------------
01919 void KMReaderWin::slotUrlOn(const QString &aUrl)
01920 {
01921   const KURL url(aUrl);
01922 
01923   if ( url.protocol() == "kmail" || url.protocol() == "x-kmail" || url.protocol() == "attachment"
01924        || (url.protocol().isEmpty() && url.path().isEmpty()) ) {
01925     mViewer->setDNDEnabled( false );
01926   } else {
01927     mViewer->setDNDEnabled( true );
01928   }
01929 
01930   if ( aUrl.stripWhiteSpace().isEmpty() ) {
01931     KPIM::BroadcastStatus::instance()->reset();
01932     mHoveredUrl = KURL();
01933     mLastClickImagePath = QString();
01934     return;
01935   }
01936 
01937   mHoveredUrl = url;
01938 
01939   const QString msg = URLHandlerManager::instance()->statusBarMessage( url, this );
01940 
01941   kdWarning( msg.isEmpty(), 5006 ) << "KMReaderWin::slotUrlOn(): Unhandled URL hover!" << endl;
01942   KPIM::BroadcastStatus::instance()->setTransientStatusMsg( msg );
01943 }
01944 
01945 
01946 //-----------------------------------------------------------------------------
01947 void KMReaderWin::slotUrlOpen(const KURL &aUrl, const KParts::URLArgs &)
01948 {
01949   mClickedUrl = aUrl;
01950 
01951   if ( URLHandlerManager::instance()->handleClick( aUrl, this ) )
01952     return;
01953 
01954   kdWarning( 5006 ) << "KMReaderWin::slotOpenUrl(): Unhandled URL click!" << endl;
01955   emit urlClicked( aUrl, Qt::LeftButton );
01956 }
01957 
01958 //-----------------------------------------------------------------------------
01959 void KMReaderWin::slotUrlPopup(const QString &aUrl, const QPoint& aPos)
01960 {
01961   const KURL url( aUrl );
01962   mClickedUrl = url;
01963 
01964   if ( url.protocol() == "mailto" ) {
01965     mCopyURLAction->setText( i18n( "Copy Email Address" ) );
01966   } else {
01967     mCopyURLAction->setText( i18n( "Copy Link Address" ) );
01968   }
01969 
01970   if ( URLHandlerManager::instance()->handleContextMenuRequest( url, aPos, this ) )
01971     return;
01972 
01973   if ( message() ) {
01974     kdWarning( 5006 ) << "KMReaderWin::slotUrlPopup(): Unhandled URL right-click!" << endl;
01975     emitPopupMenu( url, aPos );
01976   }
01977 }
01978 
01979 // Checks if the given node has a parent node that is a DIV which has an ID attribute
01980 // with the value specified here
01981 static bool hasParentDivWithId( const DOM::Node &start, const QString &id )
01982 {
01983   if ( start.isNull() )
01984     return false;
01985 
01986   if ( start.nodeName().string() == "div" ) {
01987     for ( unsigned int i = 0; i < start.attributes().length(); i++ ) {
01988       if ( start.attributes().item( i ).nodeName().string() == "id" &&
01989            start.attributes().item( i ).nodeValue().string() == id )
01990         return true;
01991     }
01992   }
01993 
01994   if ( !start.parentNode().isNull() )
01995     return hasParentDivWithId( start.parentNode(), id );
01996   else return false;
01997 }
01998 
01999 //-----------------------------------------------------------------------------
02000 void KMReaderWin::showAttachmentPopup( int id, const QString & name, const QPoint & p )
02001 {
02002   mAtmCurrent = id;
02003   mAtmCurrentName = name;
02004   KPopupMenu *menu = new KPopupMenu();
02005   menu->insertItem(SmallIcon("fileopen"),i18n("to open", "Open"), 1);
02006   menu->insertItem(i18n("Open With..."), 2);
02007   menu->insertItem(i18n("to view something", "View"), 3);
02008   menu->insertItem(SmallIcon("filesaveas"),i18n("Save As..."), 4);
02009   menu->insertItem(SmallIcon("editcopy"), i18n("Copy"), 9 );
02010   const bool canChange = message()->parent() ? !message()->parent()->isReadOnly() : false;
02011   if ( GlobalSettings::self()->allowAttachmentEditing() && canChange )
02012     menu->insertItem(SmallIcon("edit"), i18n("Edit Attachment"), 8 );
02013   if ( GlobalSettings::self()->allowAttachmentDeletion() && canChange )
02014     menu->insertItem(SmallIcon("editdelete"), i18n("Delete Attachment"), 7 );
02015   if ( name.endsWith( ".xia", false ) &&
02016        Kleo::CryptoBackendFactory::instance()->protocol( "Chiasmus" ) )
02017     menu->insertItem( i18n( "Decrypt With Chiasmus..." ), 6 );
02018   menu->insertItem(i18n("Properties"), 5);
02019 
02020   const bool attachmentInHeader = hasParentDivWithId( mViewer->nodeUnderMouse(), "attachmentInjectionPoint" );
02021   const bool hasScrollbar = mViewer->view()->verticalScrollBar()->isVisible();
02022   if ( attachmentInHeader && hasScrollbar ) {
02023     menu->insertItem( i18n("Scroll To"), 10 );
02024   }
02025 
02026   connect(menu, SIGNAL(activated(int)), this, SLOT(slotHandleAttachment(int)));
02027   menu->exec( p ,0 );
02028   delete menu;
02029 }
02030 
02031 //-----------------------------------------------------------------------------
02032 void KMReaderWin::setStyleDependantFrameWidth()
02033 {
02034   if ( !mBox )
02035     return;
02036   // set the width of the frame to a reasonable value for the current GUI style
02037   int frameWidth;
02038   if( style().isA("KeramikStyle") )
02039     frameWidth = style().pixelMetric( QStyle::PM_DefaultFrameWidth ) - 1;
02040   else
02041     frameWidth = style().pixelMetric( QStyle::PM_DefaultFrameWidth );
02042   if ( frameWidth < 0 )
02043     frameWidth = 0;
02044   if ( frameWidth != mBox->lineWidth() )
02045     mBox->setLineWidth( frameWidth );
02046 }
02047 
02048 //-----------------------------------------------------------------------------
02049 void KMReaderWin::styleChange( QStyle& oldStyle )
02050 {
02051   setStyleDependantFrameWidth();
02052   QWidget::styleChange( oldStyle );
02053 }
02054 
02055 //-----------------------------------------------------------------------------
02056 void KMReaderWin::slotHandleAttachment( int choice )
02057 {
02058   mAtmUpdate = true;
02059   partNode* node = mRootNode ? mRootNode->findId( mAtmCurrent ) : 0;
02060   if ( mAtmCurrentName.isEmpty() && node )
02061     mAtmCurrentName = tempFileUrlFromPartNode( node ).path();
02062   if ( choice < 7 ) {
02063   KMHandleAttachmentCommand* command = new KMHandleAttachmentCommand(
02064       node, message(), mAtmCurrent, mAtmCurrentName,
02065       KMHandleAttachmentCommand::AttachmentAction( choice ), 0, this );
02066   connect( command, SIGNAL( showAttachment( int, const QString& ) ),
02067       this, SLOT( slotAtmView( int, const QString& ) ) );
02068   command->start();
02069   } else if ( choice == 7 ) {
02070     slotDeleteAttachment( node );
02071   } else if ( choice == 8 ) {
02072     slotEditAttachment( node );
02073   } else if ( choice == 9 ) {
02074     if ( !node ) return;
02075     KURL::List urls;
02076     KURL url = tempFileUrlFromPartNode( node );
02077     if (!url.isValid() ) return;
02078     urls.append( url );
02079     KURLDrag* drag = new KURLDrag( urls, this );
02080     QApplication::clipboard()->setData( drag, QClipboard::Clipboard );
02081   } else if ( choice == 10 ) { // Scroll To
02082     scrollToAttachment( node );
02083   }
02084 }
02085 
02086 //-----------------------------------------------------------------------------
02087 void KMReaderWin::slotFind()
02088 {
02089   mViewer->findText();
02090 }
02091 
02092 //-----------------------------------------------------------------------------
02093 void KMReaderWin::slotFindNext()
02094 {
02095   mViewer->findTextNext();
02096 }
02097 
02098 //-----------------------------------------------------------------------------
02099 void KMReaderWin::slotToggleFixedFont()
02100 {
02101   mUseFixedFont = !mUseFixedFont;
02102   saveRelativePosition();
02103   update(true);
02104 }
02105 
02106 
02107 //-----------------------------------------------------------------------------
02108 void KMReaderWin::slotCopySelectedText()
02109 {
02110   kapp->clipboard()->setText( mViewer->selectedText() );
02111 }
02112 
02113 
02114 //-----------------------------------------------------------------------------
02115 void KMReaderWin::atmViewMsg( KMMessagePart* aMsgPart, int nodeId )
02116 {
02117   assert(aMsgPart!=0);
02118   KMMessage* msg = new KMMessage;
02119   msg->fromString(aMsgPart->bodyDecoded());
02120   assert(msg != 0);
02121   msg->setMsgSerNum( 0 ); // because lookups will fail
02122   // some information that is needed for imap messages with LOD
02123   msg->setParent( message()->parent() );
02124   msg->setUID(message()->UID());
02125   msg->setReadyToShow(true);
02126   KMReaderMainWin *win = new KMReaderMainWin();
02127   win->showMsg( overrideEncoding(), msg, message()->getMsgSerNum(), nodeId );
02128   win->show();
02129 }
02130 
02131 
02132 void KMReaderWin::setMsgPart( partNode * node ) {
02133   htmlWriter()->reset();
02134   mColorBar->hide();
02135   htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
02136   htmlWriter()->write( mCSSHelper->htmlHead( isFixedFont() ) );
02137   // end ###
02138   if ( node ) {
02139     ObjectTreeParser otp( this, 0, true );
02140     otp.parseObjectTree( node );
02141   }
02142   // ### this, too
02143   htmlWriter()->queue( "</body></html>" );
02144   htmlWriter()->flush();
02145 }
02146 
02147 //-----------------------------------------------------------------------------
02148 void KMReaderWin::setMsgPart( KMMessagePart* aMsgPart, bool aHTML,
02149                   const QString& aFileName, const QString& pname )
02150 {
02151   KCursorSaver busy(KBusyPtr::busy());
02152   if (kasciistricmp(aMsgPart->typeStr(), "message")==0) {
02153       // if called from compose win
02154       KMMessage* msg = new KMMessage;
02155       assert(aMsgPart!=0);
02156       msg->fromString(aMsgPart->bodyDecoded());
02157       mMainWindow->setCaption(msg->subject());
02158       setMsg(msg, true);
02159       setAutoDelete(true);
02160   } else if (kasciistricmp(aMsgPart->typeStr(), "text")==0) {
02161       if (kasciistricmp(aMsgPart->subtypeStr(), "x-vcard") == 0) {
02162         showVCard( aMsgPart );
02163     return;
02164       }
02165       htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
02166       htmlWriter()->queue( mCSSHelper->htmlHead( isFixedFont() ) );
02167 
02168       if (aHTML && (kasciistricmp(aMsgPart->subtypeStr(), "html")==0)) { // HTML
02169         // ### this is broken. It doesn't stip off the HTML header and footer!
02170         htmlWriter()->queue( aMsgPart->bodyToUnicode( overrideCodec() ) );
02171         mColorBar->setHtmlMode();
02172       } else { // plain text
02173         const QCString str = aMsgPart->bodyDecoded();
02174         ObjectTreeParser otp( this );
02175         otp.writeBodyStr( str,
02176                           overrideCodec() ? overrideCodec() : aMsgPart->codec(),
02177                           message() ? message()->from() : QString::null );
02178       }
02179       htmlWriter()->queue("</body></html>");
02180       htmlWriter()->flush();
02181       mMainWindow->setCaption(i18n("View Attachment: %1").arg(pname));
02182   } else if (kasciistricmp(aMsgPart->typeStr(), "image")==0 ||
02183              (kasciistricmp(aMsgPart->typeStr(), "application")==0 &&
02184               kasciistricmp(aMsgPart->subtypeStr(), "postscript")==0))
02185   {
02186       if (aFileName.isEmpty()) return;  // prevent crash
02187       // Open the window with a size so the image fits in (if possible):
02188       QImageIO *iio = new QImageIO();
02189       iio->setFileName(aFileName);
02190       if( iio->read() ) {
02191           QImage img = iio->image();
02192           QRect desk = KGlobalSettings::desktopGeometry(mMainWindow);
02193           // determine a reasonable window size
02194           int width, height;
02195           if( img.width() < 50 )
02196               width = 70;
02197           else if( img.width()+20 < desk.width() )
02198               width = img.width()+20;
02199           else
02200               width = desk.width();
02201           if( img.height() < 50 )
02202               height = 70;
02203           else if( img.height()+20 < desk.height() )
02204               height = img.height()+20;
02205           else
02206               height = desk.height();
02207           mMainWindow->resize( width, height );
02208       }
02209       // Just write the img tag to HTML:
02210       htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
02211       htmlWriter()->write( mCSSHelper->htmlHead( isFixedFont() ) );
02212       htmlWriter()->write( "<img src=\"file:" +
02213                            KURL::encode_string( aFileName ) +
02214                            "\" border=\"0\">\n"
02215                            "</body></html>\n" );
02216       htmlWriter()->end();
02217       setCaption( i18n("View Attachment: %1").arg( pname ) );
02218       show();
02219       delete iio;
02220   } else {
02221     htmlWriter()->begin( mCSSHelper->cssDefinitions( isFixedFont() ) );
02222     htmlWriter()->queue( mCSSHelper->htmlHead( isFixedFont() ) );
02223     htmlWriter()->queue( "<pre>" );
02224 
02225     QString str = aMsgPart->bodyDecoded();
02226     // A QString cannot handle binary data. So if it's shorter than the
02227     // attachment, we assume the attachment is binary:
02228     if( str.length() < (unsigned) aMsgPart->decodedSize() ) {
02229       str.prepend( i18n("[KMail: Attachment contains binary data. Trying to show first character.]",
02230           "[KMail: Attachment contains binary data. Trying to show first %n characters.]",
02231           str.length()) + QChar('\n') );
02232     }
02233     htmlWriter()->queue( QStyleSheet::escape( str ) );
02234     htmlWriter()->queue( "</pre>" );
02235     htmlWriter()->queue("</body></html>");
02236     htmlWriter()->flush();
02237     mMainWindow->setCaption(i18n("View Attachment: %1").arg(pname));
02238   }
02239   // ---Sven's view text, html and image attachments in html widget end ---
02240 }
02241 
02242 
02243 //-----------------------------------------------------------------------------
02244 void KMReaderWin::slotAtmView( int id, const QString& name )
02245 {
02246   partNode* node = mRootNode ? mRootNode->findId( id ) : 0;
02247   if( node ) {
02248     mAtmCurrent = id;
02249     mAtmCurrentName = name;
02250     if ( mAtmCurrentName.isEmpty() )
02251       mAtmCurrentName = tempFileUrlFromPartNode( node ).path();
02252 
02253     KMMessagePart& msgPart = node->msgPart();
02254     QString pname = msgPart.fileName();
02255     if (pname.isEmpty()) pname=msgPart.name();
02256     if (pname.isEmpty()) pname=msgPart.contentDescription();
02257     if (pname.isEmpty()) pname="unnamed";
02258     // image Attachment is saved already
02259     if (kasciistricmp(msgPart.typeStr(), "message")==0) {
02260       atmViewMsg( &msgPart,id );
02261     } else if ((kasciistricmp(msgPart.typeStr(), "text")==0) &&
02262            (kasciistricmp(msgPart.subtypeStr(), "x-vcard")==0)) {
02263       setMsgPart( &msgPart, htmlMail(), name, pname );
02264     } else {
02265       KMReaderMainWin *win = new KMReaderMainWin(&msgPart, htmlMail(),
02266           name, pname, overrideEncoding() );
02267       win->show();
02268     }
02269   }
02270 }
02271 
02272 //-----------------------------------------------------------------------------
02273 void KMReaderWin::openAttachment( int id, const QString & name )
02274 {
02275   mAtmCurrentName = name;
02276   mAtmCurrent = id;
02277 
02278   QString str, pname, cmd, fileName;
02279 
02280   partNode* node = mRootNode ? mRootNode->findId( id ) : 0;
02281   if( !node ) {
02282     kdWarning(5006) << "KMReaderWin::openAttachment - could not find node " << id << endl;
02283     return;
02284   }
02285   if ( mAtmCurrentName.isEmpty() )
02286     mAtmCurrentName = tempFileUrlFromPartNode( node ).path();
02287 
02288   KMMessagePart& msgPart = node->msgPart();
02289   if (kasciistricmp(msgPart.typeStr(), "message")==0)
02290   {
02291     atmViewMsg( &msgPart, id );
02292     return;
02293   }
02294 
02295   QCString contentTypeStr( msgPart.typeStr() + '/' + msgPart.subtypeStr() );
02296   KPIM::kAsciiToLower( contentTypeStr.data() );
02297 
02298   if ( qstrcmp( contentTypeStr, "text/x-vcard" ) == 0 ) {
02299     showVCard( &msgPart );
02300     return;
02301   }
02302 
02303   // determine the MIME type of the attachment
02304   KMimeType::Ptr mimetype;
02305   // prefer the value of the Content-Type header
02306   mimetype = KMimeType::mimeType( QString::fromLatin1( contentTypeStr ) );
02307   if ( mimetype->name() == "application/octet-stream" ) {
02308     // consider the filename if Content-Type is application/octet-stream
02309     mimetype = KMimeType::findByPath( name, 0, true /* no disk access */ );
02310   }
02311   if ( ( mimetype->name() == "application/octet-stream" )
02312        && msgPart.isComplete() ) {
02313     // consider the attachment's contents if neither the Content-Type header
02314     // nor the filename give us a clue
02315     mimetype = KMimeType::findByFileContent( name );
02316   }
02317 
02318   KService::Ptr offer =
02319     KServiceTypeProfile::preferredService( mimetype->name(), "Application" );
02320 
02321   QString open_text;
02322   QString filenameText = msgPart.fileName();
02323   if ( filenameText.isEmpty() )
02324     filenameText = msgPart.name();
02325   if ( offer ) {
02326     open_text = i18n("&Open with '%1'").arg( offer->name() );
02327   } else {
02328     open_text = i18n("&Open With...");
02329   }
02330   const QString text = i18n("Open attachment '%1'?\n"
02331                             "Note that opening an attachment may compromise "
02332                             "your system's security.")
02333                        .arg( filenameText );
02334   const int choice = KMessageBox::questionYesNoCancel( this, text,
02335       i18n("Open Attachment?"), KStdGuiItem::saveAs(), open_text,
02336       QString::fromLatin1("askSave") + mimetype->name() ); // dontAskAgainName
02337 
02338   if( choice == KMessageBox::Yes ) {        // Save
02339     mAtmUpdate = true;
02340     KMHandleAttachmentCommand* command = new KMHandleAttachmentCommand( node,
02341         message(), mAtmCurrent, mAtmCurrentName, KMHandleAttachmentCommand::Save,
02342         offer, this );
02343     connect( command, SIGNAL( showAttachment( int, const QString& ) ),
02344         this, SLOT( slotAtmView( int, const QString& ) ) );
02345     command->start();
02346   }
02347   else if( choice == KMessageBox::No ) {    // Open
02348     KMHandleAttachmentCommand::AttachmentAction action = ( offer ?
02349         KMHandleAttachmentCommand::Open : KMHandleAttachmentCommand::OpenWith );
02350     mAtmUpdate = true;
02351     KMHandleAttachmentCommand* command = new KMHandleAttachmentCommand( node,
02352         message(), mAtmCurrent, mAtmCurrentName, action, offer, this );
02353     connect( command, SIGNAL( showAttachment( int, const QString& ) ),
02354         this, SLOT( slotAtmView( int, const QString& ) ) );
02355     command->start();
02356   } else {                  // Cancel
02357     kdDebug(5006) << "Canceled opening attachment" << endl;
02358   }
02359 }
02360 
02361 //-----------------------------------------------------------------------------
02362 void KMReaderWin::slotScrollUp()
02363 {
02364   static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, -10);
02365 }
02366 
02367 
02368 //-----------------------------------------------------------------------------
02369 void KMReaderWin::slotScrollDown()
02370 {
02371   static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, 10);
02372 }
02373 
02374 bool KMReaderWin::atBottom() const
02375 {
02376     const QScrollView *view = static_cast<const QScrollView *>(mViewer->widget());
02377     return view->contentsY() + view->visibleHeight() >= view->contentsHeight();
02378 }
02379 
02380 //-----------------------------------------------------------------------------
02381 void KMReaderWin::slotJumpDown()
02382 {
02383     QScrollView *view = static_cast<QScrollView *>(mViewer->widget());
02384     int offs = (view->clipper()->height() < 30) ? view->clipper()->height() : 30;
02385     view->scrollBy( 0, view->clipper()->height() - offs );
02386 }
02387 
02388 //-----------------------------------------------------------------------------
02389 void KMReaderWin::slotScrollPrior()
02390 {
02391   static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, -(int)(height()*0.8));
02392 }
02393 
02394 
02395 //-----------------------------------------------------------------------------
02396 void KMReaderWin::slotScrollNext()
02397 {
02398   static_cast<QScrollView *>(mViewer->widget())->scrollBy(0, (int)(height()*0.8));
02399 }
02400 
02401 //-----------------------------------------------------------------------------
02402 void KMReaderWin::slotDocumentChanged()
02403 {
02404 
02405 }
02406 
02407 
02408 //-----------------------------------------------------------------------------
02409 void KMReaderWin::slotTextSelected(bool)
02410 {
02411   QString temp = mViewer->selectedText();
02412   kapp->clipboard()->setText(temp);
02413 }
02414 
02415 //-----------------------------------------------------------------------------
02416 void KMReaderWin::selectAll()
02417 {
02418   mViewer->selectAll();
02419 }
02420 
02421 //-----------------------------------------------------------------------------
02422 QString KMReaderWin::copyText()
02423 {
02424   QString temp = mViewer->selectedText();
02425   return temp;
02426 }
02427 
02428 
02429 //-----------------------------------------------------------------------------
02430 void KMReaderWin::slotDocumentDone()
02431 {
02432   // mSbVert->setValue(0);
02433 }
02434 
02435 
02436 //-----------------------------------------------------------------------------
02437 void KMReaderWin::setHtmlOverride(bool override)
02438 {
02439   mHtmlOverride = override;
02440   if (message())
02441       message()->setDecodeHTML(htmlMail());
02442 }
02443 
02444 
02445 //-----------------------------------------------------------------------------
02446 void KMReaderWin::setHtmlLoadExtOverride(bool override)
02447 {
02448   mHtmlLoadExtOverride = override;
02449   //if (message())
02450   //    message()->setDecodeHTML(htmlMail());
02451 }
02452 
02453 
02454 //-----------------------------------------------------------------------------
02455 bool KMReaderWin::htmlMail()
02456 {
02457   return ((mHtmlMail && !mHtmlOverride) || (!mHtmlMail && mHtmlOverride));
02458 }
02459 
02460 
02461 //-----------------------------------------------------------------------------
02462 bool KMReaderWin::htmlLoadExternal()
02463 {
02464   return ((mHtmlLoadExternal && !mHtmlLoadExtOverride) ||
02465           (!mHtmlLoadExternal && mHtmlLoadExtOverride));
02466 }
02467 
02468 
02469 //-----------------------------------------------------------------------------
02470 void KMReaderWin::saveRelativePosition()
02471 {
02472   const QScrollView * scrollview = static_cast<QScrollView *>( mViewer->widget() );
02473   mSavedRelativePosition =
02474     static_cast<float>( scrollview->contentsY() ) / scrollview->contentsHeight();
02475 }
02476 
02477 
02478 //-----------------------------------------------------------------------------
02479 void KMReaderWin::update( bool force )
02480 {
02481   KMMessage* msg = message();
02482   if ( msg )
02483     setMsg( msg, force, true /* updateOnly */ );
02484 }
02485 
02486 
02487 //-----------------------------------------------------------------------------
02488 KMMessage* KMReaderWin::message( KMFolder** aFolder ) const
02489 {
02490   KMFolder*  tmpFolder;
02491   KMFolder*& folder = aFolder ? *aFolder : tmpFolder;
02492   folder = 0;
02493   if (mMessage)
02494       return mMessage;
02495   if (mLastSerNum) {
02496     KMMessage *message = 0;
02497     int index;
02498     KMMsgDict::instance()->getLocation( mLastSerNum, &folder, &index );
02499     if (folder )
02500       message = folder->getMsg( index );
02501     if (!message)
02502       kdWarning(5006) << "Attempt to reference invalid serial number " << mLastSerNum << "\n" << endl;
02503     return message;
02504   }
02505   return 0;
02506 }
02507 
02508 
02509 
02510 //-----------------------------------------------------------------------------
02511 void KMReaderWin::slotUrlClicked()
02512 {
02513   KMMainWidget *mainWidget = dynamic_cast<KMMainWidget*>(mMainWindow);
02514   uint identity = 0;
02515   if ( message() && message()->parent() ) {
02516     identity = message()->parent()->identity();
02517   }
02518 
02519   KMCommand *command = new KMUrlClickedCommand( mClickedUrl, identity, this,
02520                         false, mainWidget );
02521   command->start();
02522 }
02523 
02524 //-----------------------------------------------------------------------------
02525 void KMReaderWin::slotMailtoCompose()
02526 {
02527   KMCommand *command = new KMMailtoComposeCommand( mClickedUrl, message() );
02528   command->start();
02529 }
02530 
02531 //-----------------------------------------------------------------------------
02532 void KMReaderWin::slotMailtoForward()
02533 {
02534   KMCommand *command = new KMMailtoForwardCommand( mMainWindow, mClickedUrl,
02535                            message() );
02536   command->start();
02537 }
02538 
02539 //-----------------------------------------------------------------------------
02540 void KMReaderWin::slotMailtoAddAddrBook()
02541 {
02542   KMCommand *command = new KMMailtoAddAddrBookCommand( mClickedUrl,
02543                                mMainWindow);
02544   command->start();
02545 }
02546 
02547 //-----------------------------------------------------------------------------
02548 void KMReaderWin::slotMailtoOpenAddrBook()
02549 {
02550   KMCommand *command = new KMMailtoOpenAddrBookCommand( mClickedUrl,
02551                             mMainWindow );
02552   command->start();
02553 }
02554 
02555 //-----------------------------------------------------------------------------
02556 void KMReaderWin::slotUrlCopy()
02557 {
02558   // we don't necessarily need a mainWidget for KMUrlCopyCommand so
02559   // it doesn't matter if the dynamic_cast fails.
02560   KMCommand *command =
02561     new KMUrlCopyCommand( mClickedUrl,
02562                           dynamic_cast<KMMainWidget*>( mMainWindow ) );
02563   command->start();
02564 }
02565 
02566 //-----------------------------------------------------------------------------
02567 void KMReaderWin::slotUrlOpen( const KURL &url )
02568 {
02569   if ( !url.isEmpty() )
02570     mClickedUrl = url;
02571   KMCommand *command = new KMUrlOpenCommand( mClickedUrl, this );
02572   command->start();
02573 }
02574 
02575 //-----------------------------------------------------------------------------
02576 void KMReaderWin::slotAddBookmarks()
02577 {
02578     KMCommand *command = new KMAddBookmarksCommand( mClickedUrl, this );
02579     command->start();
02580 }
02581 
02582 //-----------------------------------------------------------------------------
02583 void KMReaderWin::slotUrlSave()
02584 {
02585   KMCommand *command = new KMUrlSaveCommand( mClickedUrl, mMainWindow );
02586   command->start();
02587 }
02588 
02589 //-----------------------------------------------------------------------------
02590 void KMReaderWin::slotMailtoReply()
02591 {
02592   KMCommand *command = new KMMailtoReplyCommand( mMainWindow, mClickedUrl,
02593                                                  message(), copyText() );
02594   command->start();
02595 }
02596 
02597 //-----------------------------------------------------------------------------
02598 partNode * KMReaderWin::partNodeFromUrl( const KURL & url ) {
02599   return mRootNode ? mRootNode->findId( msgPartFromUrl( url ) ) : 0 ;
02600 }
02601 
02602 partNode * KMReaderWin::partNodeForId( int id ) {
02603   return mRootNode ? mRootNode->findId( id ) : 0 ;
02604 }
02605 
02606 
02607 KURL KMReaderWin::tempFileUrlFromPartNode( const partNode * node )
02608 {
02609   if (!node) return KURL();
02610   QStringList::const_iterator it = mTempFiles.begin();
02611   QStringList::const_iterator end = mTempFiles.end();
02612 
02613   while ( it != end ) {
02614       QString path = *it;
02615       it++;
02616       uint right = path.findRev('/');
02617       uint left = path.findRev('.', right);
02618 
02619       bool ok;
02620       int res = path.mid(left + 1, right - left - 1).toInt(&ok);
02621       if ( res == node->nodeId() )
02622           return KURL( path );
02623   }
02624   return KURL();
02625 }
02626 
02627 //-----------------------------------------------------------------------------
02628 void KMReaderWin::slotSaveAttachments()
02629 {
02630   mAtmUpdate = true;
02631   KMSaveAttachmentsCommand *saveCommand = new KMSaveAttachmentsCommand( mMainWindow,
02632                                                                         message() );
02633   saveCommand->start();
02634 }
02635 
02636 //-----------------------------------------------------------------------------
02637 void KMReaderWin::saveAttachment( const KURL &tempFileName )
02638 {
02639   mAtmCurrent = msgPartFromUrl( tempFileName );
02640   mAtmCurrentName = mClickedUrl.path();
02641   slotHandleAttachment( KMHandleAttachmentCommand::Save ); // save
02642 }
02643 
02644 //-----------------------------------------------------------------------------
02645 void KMReaderWin::slotSaveMsg()
02646 {
02647   KMSaveMsgCommand *saveCommand = new KMSaveMsgCommand( mMainWindow, message() );
02648 
02649   if (saveCommand->url().isEmpty())
02650     delete saveCommand;
02651   else
02652     saveCommand->start();
02653 }
02654 //-----------------------------------------------------------------------------
02655 void KMReaderWin::slotIMChat()
02656 {
02657   KMCommand *command = new KMIMChatCommand( mClickedUrl, message() );
02658   command->start();
02659 }
02660 
02661 //-----------------------------------------------------------------------------
02662 static QString linkForNode( const DOM::Node &node )
02663 {
02664   try {
02665     if ( node.isNull() )
02666       return QString();
02667 
02668     const DOM::NamedNodeMap attributes = node.attributes();
02669     if ( !attributes.isNull() ) {
02670       const DOM::Node href = attributes.getNamedItem( DOM::DOMString( "href" ) );
02671       if ( !href.isNull() ) {
02672         return href.nodeValue().string();
02673       }
02674     }
02675     if ( !node.parentNode().isNull() ) {
02676       return linkForNode( node.parentNode() );
02677     } else {
02678       return QString();
02679     }
02680   } catch ( DOM::DOMException &e ) {
02681     kdWarning(5006) << "Got an exception when trying to determine link under cursor!" << endl;
02682     return QString();
02683   }
02684 }
02685 
02686 //-----------------------------------------------------------------------------
02687 bool KMReaderWin::eventFilter( QObject *, QEvent *e )
02688 {
02689   if ( e->type() == QEvent::MouseButtonPress ) {
02690     QMouseEvent* me = static_cast<QMouseEvent*>(e);
02691     if ( me->button() == LeftButton && ( me->state() & ShiftButton ) ) {
02692       // special processing for shift+click
02693       URLHandlerManager::instance()->handleShiftClick( mHoveredUrl, this );
02694       return true;
02695     }
02696 
02697     if ( me->button() == LeftButton ) {
02698 
02699       QString imagePath;
02700       const DOM::Node nodeUnderMouse = mViewer->nodeUnderMouse();
02701       if ( !nodeUnderMouse.isNull() ) {
02702         const DOM::NamedNodeMap attributes = nodeUnderMouse.attributes();
02703         if ( !attributes.isNull() ) {
02704           const DOM::Node src = attributes.getNamedItem( DOM::DOMString( "src" ) );
02705           if ( !src.isNull() ) {
02706             imagePath = src.nodeValue().string();
02707           }
02708         }
02709       }
02710 
02711       mCanStartDrag = URLHandlerManager::instance()->willHandleDrag( mHoveredUrl, imagePath, this );
02712       mLastClickPosition = me->pos();
02713       mLastClickImagePath = imagePath;
02714     }
02715   }
02716 
02717   if ( e->type() ==  QEvent::MouseButtonRelease ) {
02718     mCanStartDrag = false;
02719   }
02720 
02721   if ( e->type() == QEvent::MouseMove ) {
02722     QMouseEvent* me = static_cast<QMouseEvent*>( e );
02723 
02724     // Handle this ourselves instead of connecting to mViewer::onURL(), since KHTML misses some
02725     // notifications in case we started a drag ourselves
02726     slotUrlOn( linkForNode( mViewer->nodeUnderMouse() ) );
02727 
02728     if ( ( mLastClickPosition - me->pos() ).manhattanLength() > KGlobalSettings::dndEventDelay() ) {
02729       if ( mCanStartDrag && ( !( mHoveredUrl.isEmpty() && mLastClickImagePath.isEmpty() ) ) ) {
02730         if ( URLHandlerManager::instance()->handleDrag( mHoveredUrl, mLastClickImagePath, this ) ) {
02731           mCanStartDrag = false;
02732           slotUrlOn( QString() );
02733 
02734           // HACK: Send a mouse release event to the KHTMLView, as otherwise that will be missed in
02735           //       case we started a drag. If the event is missed, the HTML view gets into a wrong
02736           //       state, in which funny things like unsolicited drags start to happen.
02737           QMouseEvent mouseEvent( QEvent::MouseButtonRelease, me->pos(), Qt::NoButton, Qt::NoButton );
02738           static_cast<QObject*>( mViewer->view() )->eventFilter( mViewer->view()->viewport(),
02739                                                                  &mouseEvent );
02740           return true;
02741         }
02742       }
02743     }
02744   }
02745 
02746   // standard event processing
02747   return false;
02748 }
02749 
02750 void KMReaderWin::fillCommandInfo( partNode *node, KMMessage **msg, int *nodeId )
02751 {
02752   Q_ASSERT( msg && nodeId );
02753 
02754   if ( mSerNumOfOriginalMessage != 0 ) {
02755     KMFolder *folder = 0;
02756     int index = -1;
02757     KMMsgDict::instance()->getLocation( mSerNumOfOriginalMessage, &folder, &index );
02758     if ( folder && index != -1 )
02759       *msg = folder->getMsg( index );
02760 
02761     if ( !( *msg ) ) {
02762       kdWarning( 5006 ) << "Unable to find the original message, aborting attachment deletion!" << endl;
02763       return;
02764     }
02765 
02766     *nodeId = node->nodeId() + mNodeIdOffset;
02767   }
02768   else {
02769     *nodeId = node->nodeId();
02770     *msg = message();
02771   }
02772 }
02773 
02774 void KMReaderWin::slotDeleteAttachment(partNode * node)
02775 {
02776   if ( KMessageBox::warningContinueCancel( this,
02777        i18n("Deleting an attachment might invalidate any digital signature on this message."),
02778        i18n("Delete Attachment"), KStdGuiItem::del(), "DeleteAttachmentSignatureWarning" )
02779      != KMessageBox::Continue ) {
02780     return;
02781   }
02782 
02783   int nodeId = -1;
02784   KMMessage *msg = 0;
02785   fillCommandInfo( node, &msg, &nodeId );
02786   if ( msg && nodeId != -1 ) {
02787     KMDeleteAttachmentCommand* command = new KMDeleteAttachmentCommand( nodeId, msg, this );
02788     command->start();
02789     connect( command, SIGNAL( completed( KMCommand * ) ),
02790              this, SLOT( updateReaderWin() ) );
02791     connect( command, SIGNAL( completed( KMCommand * ) ),
02792              this, SLOT( disconnectMsgAdded() ) );
02793 
02794     // ### HACK: Since the command will do delete + add, a new message will arrive. However, we don't
02795     // want the selection to change. Therefore, as soon as a new message arrives, select it, and then
02796     // disconnect.
02797     // Of course the are races, another message can arrive before ours, but we take the risk.
02798     // And it won't work properly with multiple main windows
02799     const KMHeaders * const headers = KMKernel::self()->getKMMainWidget()->headers();
02800     connect( headers, SIGNAL( msgAddedToListView( QListViewItem* ) ),
02801              this, SLOT( msgAdded( QListViewItem* ) ) );
02802   }
02803 
02804   // If we are operating on a copy of parts of the message, make sure to update the copy as well.
02805   if ( mSerNumOfOriginalMessage != 0 && message() ) {
02806     message()->deleteBodyPart( node->nodeId() );
02807     update( true );
02808   }
02809 }
02810 
02811 void KMReaderWin::msgAdded( QListViewItem *item )
02812 {
02813   // A new message was added to the message list view. Select it.
02814   // This is only connected right after we started a attachment delete command, so we expect a new
02815   // message. Disconnect right afterwards, we only want this particular message to be selected.
02816   disconnectMsgAdded();
02817   KMHeaders * const headers = KMKernel::self()->getKMMainWidget()->headers();
02818   headers->setCurrentItem( item );
02819   headers->clearSelection();
02820   headers->setSelected( item, true );
02821 }
02822 
02823 void KMReaderWin::disconnectMsgAdded()
02824 {
02825   const KMHeaders *const headers = KMKernel::self()->getKMMainWidget()->headers();
02826   disconnect( headers, SIGNAL( msgAddedToListView( QListViewItem* ) ),
02827               this, SLOT( msgAdded( QListViewItem* ) ) );
02828 }
02829 
02830 void KMReaderWin::slotEditAttachment(partNode * node)
02831 {
02832   if ( KMessageBox::warningContinueCancel( this,
02833         i18n("Modifying an attachment might invalidate any digital signature on this message."),
02834         i18n("Edit Attachment"), KGuiItem( i18n("Edit"), "edit" ), "EditAttachmentSignatureWarning" )
02835         != KMessageBox::Continue ) {
02836     return;
02837   }
02838 
02839   int nodeId = -1;
02840   KMMessage *msg = 0;
02841   fillCommandInfo( node, &msg, &nodeId );
02842   if ( msg && nodeId != -1 ) {
02843     KMEditAttachmentCommand* command = new KMEditAttachmentCommand( nodeId, msg, this );
02844     command->start();
02845   }
02846 
02847   // FIXME: If we are operating on a copy of parts of the message, make sure to update the copy as well.
02848 }
02849 
02850 KMail::CSSHelper* KMReaderWin::cssHelper()
02851 {
02852   return mCSSHelper;
02853 }
02854 
02855 bool KMReaderWin::decryptMessage() const
02856 {
02857   if ( !GlobalSettings::self()->alwaysDecrypt() )
02858     return mDecrytMessageOverwrite;
02859   return true;
02860 }
02861 
02862 void KMReaderWin::scrollToAttachment( const partNode *node )
02863 {
02864   DOM::Document doc = mViewer->htmlDocument();
02865 
02866   // The anchors for this are created in ObjectTreeParser::parseObjectTree()
02867   mViewer->gotoAnchor( QString::fromLatin1( "att%1" ).arg( node->nodeId() ) );
02868 
02869   // Remove any old color markings which might be there
02870   const partNode *root = node->topLevelParent();
02871   for ( int i = 0; i <= root->totalChildCount() + 1; i++ ) {
02872     DOM::Element attachmentDiv = doc.getElementById( QString( "attachmentDiv%1" ).arg( i + 1 ) );
02873     if ( !attachmentDiv.isNull() )
02874       attachmentDiv.removeAttribute( "style" );
02875   }
02876 
02877   // Don't mark hidden nodes, that would just produce a strange yellow line
02878   if ( node->isDisplayedHidden() )
02879     return;
02880 
02881   // Now, color the div of the attachment in yellow, so that the user sees what happened.
02882   // We created a special marked div for this in writeAttachmentMarkHeader() in ObjectTreeParser,
02883   // find and modify that now.
02884   DOM::Element attachmentDiv = doc.getElementById( QString( "attachmentDiv%1" ).arg( node->nodeId() ) );
02885   if ( attachmentDiv.isNull() ) {
02886     kdWarning( 5006 ) << "Could not find attachment div for attachment " << node->nodeId() << endl;
02887     return;
02888   }
02889 
02890   attachmentDiv.setAttribute( "style", QString( "border:2px solid %1" )
02891       .arg( cssHelper()->pgpWarnColor().name() ) );
02892 
02893   // Update rendering, otherwise the rendering is not updated when the user clicks on an attachment
02894   // that causes scrolling and the open attachment dialog
02895   doc.updateRendering();
02896 }
02897 
02898 void KMReaderWin::injectAttachments()
02899 {
02900   // inject attachments in header view
02901   // we have to do that after the otp has run so we also see encrypted parts
02902   DOM::Document doc = mViewer->htmlDocument();
02903   DOM::Element injectionPoint = doc.getElementById( "attachmentInjectionPoint" );
02904   if ( injectionPoint.isNull() )
02905     return;
02906 
02907   QString imgpath( locate("data","kmail/pics/") );
02908   QString visibility;
02909   QString urlHandle;
02910   QString imgSrc;
02911   if( !showAttachmentQuicklist() ) {
02912     urlHandle.append( "kmail:showAttachmentQuicklist" );
02913     imgSrc.append( "attachmentQuicklistClosed.png" );
02914   } else {
02915     urlHandle.append( "kmail:hideAttachmentQuicklist" );
02916     imgSrc.append( "attachmentQuicklistOpened.png" );
02917   }
02918 
02919   QString html = renderAttachments( mRootNode, QApplication::palette().active().background() );
02920   if ( html.isEmpty() )
02921     return;
02922 
02923   QString link("");
02924   if ( headerStyle() == HeaderStyle::fancy() ) {
02925     link += "<div style=\"text-align: left;\"><a href=\"" + urlHandle + "\"><img src=\"" +
02926             imgpath + imgSrc + "\"/></a></div>";
02927     html.prepend( link );
02928     html.prepend( QString::fromLatin1( "<div style=\"float:left;\">%1&nbsp;</div>" ).
02929                   arg( i18n( "Attachments:" ) ) );
02930   } else {
02931     link += "<div style=\"text-align: right;\"><a href=\"" + urlHandle + "\"><img src=\"" +
02932             imgpath + imgSrc + "\"/></a></div>";
02933     html.prepend( link );
02934   }
02935 
02936   assert( injectionPoint.tagName() == "div" );
02937   static_cast<DOM::HTMLElement>( injectionPoint ).setInnerHTML( html );
02938 }
02939 
02940 static QColor nextColor( const QColor & c )
02941 {
02942   int h, s, v;
02943   c.hsv( &h, &s, &v );
02944   return QColor( (h + 50) % 360, QMAX(s, 64), v, QColor::Hsv );
02945 }
02946 
02947 QString KMReaderWin::renderAttachments(partNode * node, const QColor &bgColor )
02948 {
02949   if ( !node )
02950     return QString();
02951 
02952   QString html;
02953   if ( node->firstChild() ) {
02954     QString subHtml = renderAttachments( node->firstChild(), nextColor( bgColor ) );
02955     if ( !subHtml.isEmpty() ) {
02956 
02957       QString visibility;
02958       if ( !showAttachmentQuicklist() ) {
02959         visibility.append( "display:none;" );
02960       }
02961 
02962       QString margin;
02963       if ( node != mRootNode || headerStyle() != HeaderStyle::enterprise() )
02964         margin = "padding:2px; margin:2px; ";
02965       QString align = "left";
02966       if ( headerStyle() == HeaderStyle::enterprise() )
02967         align = "right";
02968       if ( node->msgPart().typeStr().lower() == "message" || node == mRootNode )
02969         html += QString::fromLatin1("<div style=\"background:%1; %2"
02970                 "vertical-align:middle; float:%3; %4\">").arg( bgColor.name() ).arg( margin )
02971                                                          .arg( align ).arg( visibility );
02972       html += subHtml;
02973       if ( node->msgPart().typeStr().lower() == "message" || node == mRootNode )
02974         html += "</div>";
02975     }
02976   } else {
02977     partNode::AttachmentDisplayInfo info = node->attachmentDisplayInfo();
02978     if ( info.displayInHeader ) {
02979       html += "<div style=\"float:left;\">";
02980       html += QString::fromLatin1( "<span style=\"white-space:nowrap; border-width: 0px; border-left-width: 5px; border-color: %1; 2px; border-left-style: solid;\">" ).arg( bgColor.name() );
02981       QString fileName = writeMessagePartToTempFile( &node->msgPart(), node->nodeId() );
02982       QString href = node->asHREF( "header" );
02983       html += QString::fromLatin1( "<a href=\"" ) + href +
02984               QString::fromLatin1( "\">" );
02985       html += "<img style=\"vertical-align:middle;\" src=\"" + info.icon + "\"/>&nbsp;";
02986       if ( headerStyle() == HeaderStyle::enterprise() ) {
02987         QFont bodyFont = mCSSHelper->bodyFont( isFixedFont() );
02988         QFontMetrics fm( bodyFont );
02989         html += KStringHandler::rPixelSqueeze( info.label, fm, 140 );
02990       } else if ( headerStyle() == HeaderStyle::fancy() ) {
02991         QFont bodyFont = mCSSHelper->bodyFont( isFixedFont() );
02992         QFontMetrics fm( bodyFont );
02993         html += KStringHandler::rPixelSqueeze( info.label, fm, 640 );
02994       } else {
02995         html += info.label;
02996       }
02997       html += "</a></span></div> ";
02998     }
02999   }
03000 
03001   html += renderAttachments( node->nextSibling(), nextColor ( bgColor ) );
03002   return html;
03003 }
03004 
03005 using namespace KMail::Interface;
03006 
03007 void KMReaderWin::setBodyPartMemento( const partNode * node, const QCString & which, BodyPartMemento * memento )
03008 {
03009   const QCString index = node->path() + ':' + which.lower();
03010 
03011   const std::map<QCString,BodyPartMemento*>::iterator it = mBodyPartMementoMap.lower_bound( index );
03012   if ( it != mBodyPartMementoMap.end() && it->first == index ) {
03013 
03014     if ( memento && memento == it->second )
03015       return;
03016 
03017     delete it->second;
03018 
03019     if ( memento ) {
03020       it->second = memento;
03021     }
03022     else {
03023       mBodyPartMementoMap.erase( it );
03024     }
03025 
03026   } else {
03027     if ( memento ) {
03028       mBodyPartMementoMap.insert( it, std::make_pair( index, memento ) );
03029     }
03030   }
03031 
03032   if ( Observable * o = memento ? memento->asObservable() : 0 )
03033     o->attach( this );
03034 }
03035 
03036 BodyPartMemento * KMReaderWin::bodyPartMemento( const partNode * node, const QCString & which ) const
03037 {
03038   const QCString index = node->path() + ':' + which.lower();
03039   const std::map<QCString,BodyPartMemento*>::const_iterator it = mBodyPartMementoMap.find( index );
03040   if ( it == mBodyPartMementoMap.end() ) {
03041     return 0;
03042   }
03043   else {
03044     return it->second;
03045   }
03046 }
03047 
03048 static void detach_and_delete( BodyPartMemento * memento, KMReaderWin * obs ) {
03049   if ( Observable * const o = memento ? memento->asObservable() : 0 )
03050     o->detach( obs );
03051   delete memento;
03052 }
03053 
03054 void KMReaderWin::clearBodyPartMementos()
03055 {
03056   for ( std::map<QCString,BodyPartMemento*>::const_iterator it = mBodyPartMementoMap.begin(), end = mBodyPartMementoMap.end() ; it != end ; ++it )
03057     // Detach the memento from the reader. When cancelling it, it might trigger an update of the
03058     // reader, which we are not interested in, and which is dangerous, since half the mementos are
03059     // already deleted.
03060     // https://issues.kolab.org/issue4187
03061     detach_and_delete( it->second, this );
03062 
03063   mBodyPartMementoMap.clear();
03064 }
03065 
03066 #include "kmreaderwin.moc"
03067 
03068 
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