khtml_part.cpp.orig

konqueror3 embedded版本, KDE环境下的当家浏览器的嵌入式版本源码包.

  d->m_paFindPrev->setWhatsThis( i18n( "Find previous<p>"
				       "Find the previous occurrence of the text that you "
				       "have found using the <b>Find Text</b> function" ) );

  d->m_paFindAheadText = new KAction( i18n("Find Text as You Type"), KShortcut( '/' ), this, SLOT( slotFindAheadText()),
      actionCollection(), "findAheadText");
  d->m_paFindAheadLinks = new KAction( i18n("Find Links as You Type"), KShortcut( '\'' ), this, SLOT( slotFindAheadLink()),
      actionCollection(), "findAheadLink");
  d->m_paFindAheadText->setEnabled( false );
  d->m_paFindAheadLinks->setEnabled( false );

  if ( parentPart() )
  {
      d->m_paFind->setShortcut( KShortcut() ); // avoid clashes
      d->m_paFindNext->setShortcut( KShortcut() ); // avoid clashes
      d->m_paFindPrev->setShortcut( KShortcut() ); // avoid clashes
      d->m_paFindAheadText->setShortcut( KShortcut());
      d->m_paFindAheadLinks->setShortcut( KShortcut());
  }

  d->m_paPrintFrame = new KAction( i18n( "Print Frame..." ), "frameprint", 0, this, SLOT( slotPrintFrame() ), actionCollection(), "printFrame" );
  d->m_paPrintFrame->setWhatsThis( i18n( "Print Frame<p>"
					 "Some pages have several frames. To print only a single frame, click "
					 "on it and then use this function." ) );

  d->m_paSelectAll = KStdAction::selectAll( this, SLOT( slotSelectAll() ), actionCollection(), "selectAll" );
  if ( parentPart() )
      d->m_paSelectAll->setShortcut( KShortcut() ); // avoid clashes

  d->m_paToggleCaretMode = new KToggleAction(i18n("Toggle Caret Mode"),
  				Key_F7, this, SLOT(slotToggleCaretMode()),
                                actionCollection(), "caretMode");
  d->m_paToggleCaretMode->setChecked(isCaretMode());
  if (parentPart())
      d->m_paToggleCaretMode->setShortcut(KShortcut()); // avoid clashes

  // set the default java(script) flags according to the current host.
  d->m_bOpenMiddleClick = d->m_settings->isOpenMiddleClickEnabled();
  d->m_bBackRightClick = d->m_settings->isBackRightClickEnabled();
  d->m_bJScriptEnabled = d->m_settings->isJavaScriptEnabled();
  setDebugScript( d->m_settings->isJavaScriptDebugEnabled() );
  d->m_bJavaEnabled = d->m_settings->isJavaEnabled();
  d->m_bPluginsEnabled = d->m_settings->isPluginsEnabled();

  // Set the meta-refresh flag...
  d->m_metaRefreshEnabled = d->m_settings->isAutoDelayedActionsEnabled ();

  connect( view, SIGNAL( zoomView( int ) ), SLOT( slotZoomView( int ) ) );

  connect( this, SIGNAL( completed() ),
           this, SLOT( updateActions() ) );
  connect( this, SIGNAL( completed( bool ) ),
           this, SLOT( updateActions() ) );
  connect( this, SIGNAL( started( KIO::Job * ) ),
           this, SLOT( updateActions() ) );

  d->m_popupMenuXML = KXMLGUIFactory::readConfigFile( locate( "data", "khtml/khtml_popupmenu.rc", KHTMLFactory::instance() ) );

  connect( khtml::Cache::loader(), SIGNAL( requestStarted( khtml::DocLoader*, khtml::CachedObject* ) ),
           this, SLOT( slotLoaderRequestStarted( khtml::DocLoader*, khtml::CachedObject* ) ) );
  connect( khtml::Cache::loader(), SIGNAL( requestDone( khtml::DocLoader*, khtml::CachedObject *) ),
           this, SLOT( slotLoaderRequestDone( khtml::DocLoader*, khtml::CachedObject *) ) );
  connect( khtml::Cache::loader(), SIGNAL( requestFailed( khtml::DocLoader*, khtml::CachedObject *) ),
           this, SLOT( slotLoaderRequestDone( khtml::DocLoader*, khtml::CachedObject *) ) );

  connect ( &d->m_progressUpdateTimer, SIGNAL( timeout() ), this, SLOT( slotProgressUpdate() ) );

  findTextBegin(); //reset find variables

  connect( &d->m_redirectionTimer, SIGNAL( timeout() ),
           this, SLOT( slotRedirect() ) );

  d->m_dcopobject = new KHTMLPartIface(this);

  // TODO KDE4 - load plugins now (see also the constructors)
  //if ( prof == BrowserViewGUI && !parentPart() )
  //        loadPlugins( partObject(), this, instance() );

  // "khtml" catalog does not exist, our translations are in kdelibs.
  // removing this catalog from KGlobal::locale() prevents problems
  // with changing the language in applications at runtime -Thomas Reitelbach
  KGlobal::locale()->removeCatalogue("khtml");
}

KHTMLPart::~KHTMLPart()
{
  //kdDebug(6050) << "KHTMLPart::~KHTMLPart " << this << endl;

  KConfig *config = KGlobal::config();
  config->setGroup( "HTML Settings" );
  config->writeEntry( "AutomaticDetectionLanguage", d->m_autoDetectLanguage );

  delete d->m_automaticDetection;
  delete d->m_manualDetection;

  slotWalletClosed();
  if (!parentPart()) { // only delete it if the top khtml_part closes
    removeJSErrorExtension();
    delete d->m_statusBarPopupLabel;
  }

  d->m_find = 0; // deleted by its parent, the view.

  if ( d->m_manager )
  {
    d->m_manager->setActivePart( 0 );
    // We specify "this" as parent qobject for d->manager, so no need to delete it.
  }

  stopAutoScroll();
  d->m_redirectionTimer.stop();

  if (!d->m_bComplete)
    closeURL();

  disconnect( khtml::Cache::loader(), SIGNAL( requestStarted( khtml::DocLoader*, khtml::CachedObject* ) ),
           this, SLOT( slotLoaderRequestStarted( khtml::DocLoader*, khtml::CachedObject* ) ) );
  disconnect( khtml::Cache::loader(), SIGNAL( requestDone( khtml::DocLoader*, khtml::CachedObject *) ),
           this, SLOT( slotLoaderRequestDone( khtml::DocLoader*, khtml::CachedObject *) ) );
  disconnect( khtml::Cache::loader(), SIGNAL( requestFailed( khtml::DocLoader*, khtml::CachedObject *) ),
           this, SLOT( slotLoaderRequestDone( khtml::DocLoader*, khtml::CachedObject *) ) );

  clear();

  if ( d->m_view )
  {
    d->m_view->hide();
    d->m_view->viewport()->hide();
    d->m_view->m_part = 0;
  }

  // Have to delete this here since we forward declare it in khtmlpart_p and
  // at least some compilers won't call the destructor in this case.
  delete d->m_jsedlg;
  d->m_jsedlg = 0;

  if (!parentPart()) // only delete d->m_frame if the top khtml_part closes
      delete d->m_frame;
  delete d; d = 0;
  KHTMLFactory::deregisterPart( this );
}

bool KHTMLPart::restoreURL( const KURL &url )
{
  kdDebug( 6050 ) << "KHTMLPart::restoreURL " << url.url() << endl;

  d->m_redirectionTimer.stop();

  /*
   * That's not a good idea as it will call closeURL() on all
   * child frames, preventing them from further loading. This
   * method gets called from restoreState() in case of a full frameset
   * restoral, and restoreState() calls closeURL() before restoring
   * anyway.
  kdDebug( 6050 ) << "closing old URL" << endl;
  closeURL();
  */

  d->m_bComplete = false;
  d->m_bLoadEventEmitted = false;
  d->m_workingURL = url;

  // set the java(script) flags according to the current host.
  d->m_bJScriptEnabled = KHTMLFactory::defaultHTMLSettings()->isJavaScriptEnabled(url.host());
  setDebugScript( KHTMLFactory::defaultHTMLSettings()->isJavaScriptDebugEnabled() );
  d->m_bJavaEnabled = KHTMLFactory::defaultHTMLSettings()->isJavaEnabled(url.host());
  d->m_bPluginsEnabled = KHTMLFactory::defaultHTMLSettings()->isPluginsEnabled(url.host());

  m_url = url;

  d->m_restoreScrollPosition = true;
  disconnect(d->m_view, SIGNAL(finishedLayout()), this, SLOT(restoreScrollPosition()));
  connect(d->m_view, SIGNAL(finishedLayout()), this, SLOT(restoreScrollPosition()));

  KHTMLPageCache::self()->fetchData( d->m_cacheId, this, SLOT(slotRestoreData(const QByteArray &)));

  emit started( 0L );

  return true;
}


bool KHTMLPart::openURL( const KURL &url )
{
  kdDebug( 6050 ) << "KHTMLPart(" << this << ")::openURL " << url.url() << endl;

  d->m_redirectionTimer.stop();

  // check to see if this is an "error://" URL. This is caused when an error
  // occurs before this part was loaded (e.g. KonqRun), and is passed to
  // khtmlpart so that it can display the error.
  if ( url.protocol() == "error" && url.hasSubURL() ) {
    closeURL();

    if(  d->m_bJScriptEnabled )
      d->m_statusBarText[BarOverrideText] = d->m_statusBarText[BarDefaultText] = QString::null;

    /**
     * The format of the error url is that two variables are passed in the query:
     * error = int kio error code, errText = QString error text from kio
     * and the URL where the error happened is passed as a sub URL.
     */
    KURL::List urls = KURL::split( url );
    //kdDebug(6050) << "Handling error URL. URL count:" << urls.count() << endl;

    if ( urls.count() > 1 ) {
      KURL mainURL = urls.first();
      int error = mainURL.queryItem( "error" ).toInt();
      // error=0 isn't a valid error code, so 0 means it's missing from the URL
      if ( error == 0 ) error = KIO::ERR_UNKNOWN;
      QString errorText = mainURL.queryItem( "errText", HINT_UTF8 );
      urls.pop_front();
      d->m_workingURL = KURL::join( urls );
      //kdDebug(6050) << "Emitting fixed URL " << d->m_workingURL.prettyURL() << endl;
      emit d->m_extension->setLocationBarURL( d->m_workingURL.prettyURL() );
      htmlError( error, errorText, d->m_workingURL );
      return true;
    }
  }

  if (!parentPart()) { // only do it for toplevel part
    QString host = url.isLocalFile() ? "localhost" : url.host();
    QString userAgent = KProtocolManager::userAgentForHost(host);
    if (userAgent != KProtocolManager::userAgentForHost(QString::null)) {
      if (!d->m_statusBarUALabel) {
        d->m_statusBarUALabel = new KURLLabel(d->m_statusBarExtension->statusBar());
        d->m_statusBarUALabel->setFixedHeight(instance()->iconLoader()->currentSize(KIcon::Small));
        d->m_statusBarUALabel->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
        d->m_statusBarUALabel->setUseCursor(false);
        d->m_statusBarExtension->addStatusBarItem(d->m_statusBarUALabel, 0, false);
        d->m_statusBarUALabel->setPixmap(SmallIcon("agent", instance()));
      } else {
        QToolTip::remove(d->m_statusBarUALabel);
      }
      QToolTip::add(d->m_statusBarUALabel, i18n("The fake user-agent '%1' is in use.").arg(userAgent));
    } else if (d->m_statusBarUALabel) {
      d->m_statusBarExtension->removeStatusBarItem(d->m_statusBarUALabel);
      delete d->m_statusBarUALabel;
      d->m_statusBarUALabel = 0L;
    }
  }

  KParts::URLArgs args( d->m_extension->urlArgs() );

  // in case
  // a) we have no frameset (don't test m_frames.count(), iframes get in there)
  // b) the url is identical with the currently displayed one (except for the htmlref!)
  // c) the url request is not a POST operation and
  // d) the caller did not request to reload the page
  // e) there was no HTTP redirection meanwhile (testcase: webmin's software/tree.cgi)
  // => we don't reload the whole document and
  // we just jump to the requested html anchor
  bool isFrameSet = false;
  if ( d->m_doc && d->m_doc->isHTMLDocument() ) {
      HTMLDocumentImpl* htmlDoc = static_cast<HTMLDocumentImpl*>(d->m_doc);
      isFrameSet = htmlDoc->body() && (htmlDoc->body()->id() == ID_FRAMESET);
  }

  if ( url.hasRef() && !isFrameSet )
  {
    bool noReloadForced = !args.reload && !args.redirectedRequest() && !args.doPost();
    if (noReloadForced && urlcmp( url.url(), m_url.url(), true, true ))
    {
        kdDebug( 6050 ) << "KHTMLPart::openURL, jumping to anchor. m_url = " << url.url() << endl;
        m_url = url;
        emit started( 0L );

        if ( !gotoAnchor( url.encodedHtmlRef()) )
          gotoAnchor( url.htmlRef() );

        d->m_bComplete = true;
        if (d->m_doc)
        d->m_doc->setParsing(false);

        kdDebug( 6050 ) << "completed..." << endl;
        emit completed();
        return true;
    }
  }

  // Save offset of viewport when page is reloaded to be compliant
  // to every other capable browser out there.
  if (args.reload) {
    args.xOffset = d->m_view->contentsX();
    args.yOffset = d->m_view->contentsY();
    d->m_extension->setURLArgs(args);
  }

  if (!d->m_restored)
    closeURL();

  d->m_restoreScrollPosition = d->m_restored;
  disconnect(d->m_view, SIGNAL(finishedLayout()), this, SLOT(restoreScrollPosition()));
  connect(d->m_view, SIGNAL(finishedLayout()), this, SLOT(restoreScrollPosition()));

  // initializing m_url to the new url breaks relative links when opening such a link after this call and _before_ begin() is called (when the first
  // data arrives) (Simon)
  m_url = url;
  if(m_url.protocol().startsWith( "http" ) && !m_url.host().isEmpty() &&
     m_url.path().isEmpty()) {
    m_url.setPath("/");
    emit d->m_extension->setLocationBarURL( m_url.prettyURL() );
  }
  // copy to m_workingURL after fixing m_url above
  d->m_workingURL = m_url;

  args.metaData().insert("main_frame_request", parentPart() == 0 ? "TRUE" : "FALSE" );
  args.metaData().insert("ssl_parent_ip", d->m_ssl_parent_ip);
  args.metaData().insert("ssl_parent_cert", d->m_ssl_parent_cert);
  args.metaData().insert("PropagateHttpHeader", "true");
  args.metaData().insert("ssl_was_in_use", d->m_ssl_in_use ? "TRUE" : "FALSE" );
  args.metaData().insert("ssl_activate_warnings", "TRUE" );
  args.metaData().insert("cross-domain", toplevelURL().url());

  if (d->m_restored)
  {
     args.metaData().insert("referrer", d->m_pageReferrer);
     d->m_cachePolicy = KIO::CC_Cache;
  }
  else if (args.reload)
     d->m_cachePolicy = KIO::CC_Reload;
  else
     d->m_cachePolicy = KProtocolManager::cacheControl();

  if ( args.doPost() && (m_url.protocol().startsWith("http")) )
  {
      d->m_job = KIO::http_post( m_url, args.postData, false );
      d->m_job->addMetaData("content-type", args.contentType() );
  }
  else
  {
      d->m_job = KIO::get( m_url, false, false );
      d->m_job->addMetaData("cache", KIO::getCacheControlString(d->m_cachePolicy));
  }

  if (widget())
     d->m_job->setWindow(widget()->topLevelWidget());
  d->m_job->addMetaData(args.metaData());

  connect( d->m_job, SIGNAL( result( KIO::Job* ) ),
           SLOT( slotFinished( KIO::Job* ) ) );
  connect( d->m_job, SIGNAL( data( KIO::Job*, const QByteArray& ) ),
           SLOT( slotData( KIO::Job*, const QByteArray& ) ) );
  connect ( d->m_job, SIGNAL( infoMessage( KIO::Job*, const QString& ) ),
           SLOT( slotInfoMessage(KIO::Job*, const QString& ) ) );
  connect( d->m_job, SIGNAL(redirection(KIO::Job*, const KURL& ) ),
           SLOT( slotRedirection(KIO::Job*, const KURL&) ) );

  d->m_bComplete = false;
  d->m_bLoadEventEmitted = false;

  // delete old status bar msg's from kjs (if it _was_ activated on last URL)
  if( d->m_bJScriptEnabled )
    d->m_statusBarText[BarOverrideText] = d->m_statusBarText[BarDefaultText] = QString::null;

  // set the javascript flags according to the current url
  d->m_bJScriptEnabled = KHTMLFactory::defaultHTMLSettings()->isJavaScriptEnabled(url.host());
  setDebugScript( KHTMLFactory::defaultHTMLSettings()->isJavaScriptDebugEnabled() );
  d->m_bJavaEnabled = KHTMLFactory::defaultHTMLSettings()->isJavaEnabled(url.host());
  d->m_bPluginsEnabled = KHTMLFactory::defaultHTMLSettings()->isPluginsEnabled(url.host());


  connect( d->m_job, SIGNAL( speed( KIO::Job*, unsigned long ) ),
           this, SLOT( slotJobSpeed( KIO::Job*, unsigned long ) ) );

  connect( d->m_job, SIGNAL( percent( KIO::Job*, unsigned long ) ),
           this, SLOT( slotJobPercent( KIO::Job*, unsigned long ) ) );

  connect( d->m_job, SIGNAL( result( KIO::Job* ) ),
           this, SLOT( slotJobDone( KIO::Job* ) ) );

  d->m_jobspeed = 0;

#ifndef KONQ_EMBEDDED
  // If this was an explicit reload and the user style sheet should be used,
  // do a stat to see whether the stylesheet was changed in the meanwhile.
  if ( args.reload && !settings()->userStyleSheet().isEmpty() ) {
    KURL url( settings()->userStyleSheet() );
    KIO::StatJob *job = KIO::stat( url, false /* don't show progress */ );
    connect( job, SIGNAL( result( KIO::Job * ) ),
             this, SLOT( slotUserSheetStatDone( KIO::Job * ) ) );
  }
#endif // KONQ_EMBEDDED
  emit started( 0L );

  return true;
}