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.

  KJSProxy *proxy = jScript();

  if (!proxy || proxy->paused())
    return QVariant();

  KJS::Completion comp;

  QVariant ret = proxy->evaluate(filename, baseLine, script, n, &comp);

  /*
   *  Error handling
   */
  if (comp.complType() == KJS::Throw && !comp.value().isNull()) {
    KJSErrorDlg *dlg = jsErrorExtension();
    if (dlg) {
      KJS::UString msg = comp.value().toString(proxy->interpreter()->globalExec());
      dlg->addError(i18n("<b>Error</b>: %1: %2").arg(filename, msg.qstring()));
    }
  }

  // Handle immediate redirects now (e.g. location='foo')
  if ( !d->m_redirectURL.isEmpty() && d->m_delayRedirect == -1 )
  {
    kdDebug(6070) << "executeScript done, handling immediate redirection NOW" << endl;
    // Must abort tokenizer, no further script must execute.
    khtml::Tokenizer* t = d->m_doc->tokenizer();
    if(t)
      t->abort();
    d->m_redirectionTimer.start( 0, true );
  }

  return ret;
}

QVariant KHTMLPart::executeScript( const QString &script )
{
    return executeScript( DOM::Node(), script );
}

QVariant KHTMLPart::executeScript( const DOM::Node &n, const QString &script )
{
#ifdef KJS_VERBOSE
  kdDebug(6070) << "KHTMLPart::executeScript caller='" << name() << "' node=" << n.nodeName().string().latin1() << "(" << (n.isNull() ? 0 : n.nodeType()) << ") " /* << script */ << endl;
#endif
  KJSProxy *proxy = jScript();

  if (!proxy || proxy->paused())
    return QVariant();
  ++(d->m_runningScripts);
  KJS::Completion comp;
  const QVariant ret = proxy->evaluate( QString::null, 1, script, n, &comp );
  --(d->m_runningScripts);

  /*
   *  Error handling
   */
  if (comp.complType() == KJS::Throw && !comp.value().isNull()) {
    KJSErrorDlg *dlg = jsErrorExtension();
    if (dlg) {
      KJS::UString msg = comp.value().toString(proxy->interpreter()->globalExec());
      dlg->addError(i18n("<b>Error</b>: node %1: %2").arg(n.nodeName().string()).arg(msg.qstring()));
    }
  }

  if (!d->m_runningScripts && d->m_doc && !d->m_doc->parsing() && d->m_submitForm )
      submitFormAgain();

#ifdef KJS_VERBOSE
  kdDebug(6070) << "KHTMLPart::executeScript - done" << endl;
#endif
  return ret;
}

bool KHTMLPart::scheduleScript(const DOM::Node &n, const QString& script)
{
    //kdDebug(6050) << "KHTMLPart::scheduleScript "<< script << endl;

    d->scheduledScript = script;
    d->scheduledScriptNode = n;

    return true;
}

QVariant KHTMLPart::executeScheduledScript()
{
  if( d->scheduledScript.isEmpty() )
    return QVariant();

  //kdDebug(6050) << "executing delayed " << d->scheduledScript << endl;

  QVariant ret = executeScript( d->scheduledScriptNode, d->scheduledScript );
  d->scheduledScript = QString();
  d->scheduledScriptNode = DOM::Node();

  return ret;
}

void KHTMLPart::setJavaEnabled( bool enable )
{
  d->m_bJavaForce = enable;
  d->m_bJavaOverride = true;
}

bool KHTMLPart::javaEnabled() const
{
  if (onlyLocalReferences()) return false;

#ifndef Q_WS_QWS
  if( d->m_bJavaOverride )
      return d->m_bJavaForce;
  return d->m_bJavaEnabled;
#else
  return false;
#endif
}

KJavaAppletContext *KHTMLPart::javaContext()
{
  return 0;
}

KJavaAppletContext *KHTMLPart::createJavaContext()
{
  return 0;
}

void KHTMLPart::setPluginsEnabled( bool enable )
{
  d->m_bPluginsForce = enable;
  d->m_bPluginsOverride = true;
}

bool KHTMLPart::pluginsEnabled() const
{
  if (onlyLocalReferences()) return false;

  if ( d->m_bPluginsOverride )
      return d->m_bPluginsForce;
  return d->m_bPluginsEnabled;
}

static int s_DOMTreeIndentLevel = 0;

void KHTMLPart::slotDebugDOMTree()
{
  if ( d->m_doc && d->m_doc->firstChild() )
    qDebug("%s", d->m_doc->firstChild()->toString().string().latin1());

  // Now print the contents of the frames that contain HTML

  const int indentLevel = s_DOMTreeIndentLevel++;

  ConstFrameIt it = d->m_frames.begin();
  const ConstFrameIt end = d->m_frames.end();
  for (; it != end; ++it )
    if ( !( *it )->m_part.isNull() && (*it)->m_part->inherits( "KHTMLPart" ) ) {
      KParts::ReadOnlyPart* const p = ( *it )->m_part;
      kdDebug(6050) << QString().leftJustify(s_DOMTreeIndentLevel*4,' ') << "FRAME " << p->name() << " " << endl;
      static_cast<KHTMLPart*>( p )->slotDebugDOMTree();
    }
  s_DOMTreeIndentLevel = indentLevel;
}

void KHTMLPart::slotDebugScript()
{
  if (jScript())
    jScript()->showDebugWindow();
}

void KHTMLPart::slotDebugRenderTree()
{
#ifndef NDEBUG
  if ( d->m_doc ) {
    d->m_doc->renderer()->printTree();
    // dump out the contents of the rendering & DOM trees
//    QString dumps;
//    QTextStream outputStream(dumps,IO_WriteOnly);
//    d->m_doc->renderer()->layer()->dump( outputStream );
//    kdDebug() << "dump output:" << "\n" + dumps;
  }
#endif
}

void KHTMLPart::slotStopAnimations()
{
  stopAnimations();
}

void KHTMLPart::setAutoloadImages( bool enable )
{
  if ( d->m_doc && d->m_doc->docLoader()->autoloadImages() == enable )
    return;

  if ( d->m_doc )
    d->m_doc->docLoader()->setAutoloadImages( enable );

  unplugActionList( "loadImages" );

  if ( enable ) {
    delete d->m_paLoadImages;
    d->m_paLoadImages = 0;
  }
  else if ( !d->m_paLoadImages )
    d->m_paLoadImages = new KAction( i18n( "Display Images on Page" ), "images_display", 0, this, SLOT( slotLoadImages() ), actionCollection(), "loadImages" );

  if ( d->m_paLoadImages ) {
    QPtrList<KAction> lst;
    lst.append( d->m_paLoadImages );
    plugActionList( "loadImages", lst );
  }
}

bool KHTMLPart::autoloadImages() const
{
  if ( d->m_doc )
    return d->m_doc->docLoader()->autoloadImages();

  return true;
}

void KHTMLPart::clear()
{
  if ( d->m_bCleared )
    return;

  d->m_bCleared = true;

  d->m_bClearing = true;

  {
    ConstFrameIt it = d->m_frames.begin();
    const ConstFrameIt end = d->m_frames.end();
    for(; it != end; ++it )
    {
      // Stop HTMLRun jobs for frames
      if ( (*it)->m_run )
        (*it)->m_run->abort();
    }
  }

  {
    ConstFrameIt it = d->m_objects.begin();
    const ConstFrameIt end = d->m_objects.end();
    for(; it != end; ++it )
    {
      // Stop HTMLRun jobs for objects
      if ( (*it)->m_run )
        (*it)->m_run->abort();
    }
  }


  findTextBegin(); // resets d->m_findNode and d->m_findPos
  d->m_mousePressNode = DOM::Node();


  if ( d->m_doc )
  {
    if (d->m_doc->attached()) //the view may have detached it already
	d->m_doc->detach();
  }

  // Moving past doc so that onUnload works.
  if ( d->m_frame && d->m_frame->m_jscript )
    d->m_frame->m_jscript->clear();

  // stopping marquees
  if (d->m_doc && d->m_doc->renderer() && d->m_doc->renderer()->layer())
      d->m_doc->renderer()->layer()->suspendMarquees();

  if ( d->m_view )
    d->m_view->clear();

  // do not dereference the document before the jscript and view are cleared, as some destructors
  // might still try to access the document.
  if ( d->m_doc ) {
    d->m_doc->deref();
  }
  d->m_doc = 0;

  delete d->m_decoder;
  d->m_decoder = 0;

  // We don't want to change between parts if we are going to delete all of them anyway
  disconnect( partManager(), SIGNAL( activePartChanged( KParts::Part * ) ),
               this, SLOT( slotActiveFrameChanged( KParts::Part * ) ) );

  if (d->m_frames.count())
  {
    KHTMLFrameList frames = d->m_frames;
    d->m_frames.clear();
    ConstFrameIt it = frames.begin();
    const ConstFrameIt end = frames.end();
    for(; it != end; ++it )
    {
      if ( (*it)->m_part )
      {
        partManager()->removePart( (*it)->m_part );
        delete (KParts::ReadOnlyPart *)(*it)->m_part;
      }
      delete *it;
    }
  }
  d->m_suppressedPopupOriginParts.clear();

  if (d->m_objects.count())
  {
    KHTMLFrameList objects = d->m_objects;
    d->m_objects.clear();
    ConstFrameIt oi = objects.begin();
    const ConstFrameIt oiEnd = objects.end();

    for (; oi != oiEnd; ++oi )
      delete *oi;
  }

  // Listen to part changes again
  connect( partManager(), SIGNAL( activePartChanged( KParts::Part * ) ),
             this, SLOT( slotActiveFrameChanged( KParts::Part * ) ) );

  d->m_delayRedirect = 0;
  d->m_redirectURL = QString::null;
  d->m_redirectionTimer.stop();
  d->m_redirectLockHistory = true;
  d->m_bClearing = false;
  d->m_frameNameId = 1;
  d->m_bFirstData = true;

  d->m_bMousePressed = false;

  d->m_selectionStart = DOM::Node();
  d->m_selectionEnd = DOM::Node();
  d->m_startOffset = 0;
  d->m_endOffset = 0;
#ifndef QT_NO_CLIPBOARD
  connect( kapp->clipboard(), SIGNAL( selectionChanged()), SLOT( slotClearSelection()));
#endif

  d->m_jobPercent = 0;

  if ( !d->m_haveEncoding )
    d->m_encoding = QString::null;
#ifdef SPEED_DEBUG
  d->m_parsetime.restart();
#endif
}

bool KHTMLPart::openFile()
{
  return true;
}

DOM::HTMLDocumentImpl *KHTMLPart::docImpl() const
{
    if ( d && d->m_doc && d->m_doc->isHTMLDocument() )
        return static_cast<HTMLDocumentImpl*>(d->m_doc);
    return 0;
}

DOM::DocumentImpl *KHTMLPart::xmlDocImpl() const
{
    if ( d )
        return d->m_doc;
    return 0;
}

void KHTMLPart::slotInfoMessage(KIO::Job* kio_job, const QString& msg)
{
  assert(d->m_job == kio_job);

  if (!parentPart())
    setStatusBarText(msg, BarDefaultText);
}

void KHTMLPart::setPageSecurity( PageSecurity sec )
{
#ifndef KONQ_EMBEDDED
  emit d->m_extension->setPageSecurity( sec );
  if ( sec != NotCrypted && !d->m_statusBarIconLabel && !parentPart() ) {
    d->m_statusBarIconLabel = new KURLLabel( d->m_statusBarExtension->statusBar() );
    d->m_statusBarIconLabel->setFixedHeight( instance()->iconLoader()->currentSize(KIcon::Small) );
    d->m_statusBarIconLabel->setSizePolicy(QSizePolicy( QSizePolicy::Fixed, QSizePolicy::Fixed ));
    d->m_statusBarIconLabel->setUseCursor( false );
    d->m_statusBarExtension->addStatusBarItem( d->m_statusBarIconLabel, 0, false );
    connect( d->m_statusBarIconLabel, SIGNAL( leftClickedURL() ), SLOT( slotSecurity() ) );
  } else if (d->m_statusBarIconLabel) {
    QToolTip::remove(d->m_statusBarIconLabel);