C++ KHTMLPart::browserExtension方法代码示例

void HTMLLinkElementImpl::process()
{
    if (!inDocument())
        return;

    QString type = m_type.string().lower();
    QString rel = m_rel.string().lower();

    KHTMLPart* part = getDocument()->part();

    // IE extension: location of small icon for locationbar / bookmarks
#if APPLE_CHANGES
    if ( part && rel == "shortcut icon" && !m_url.isEmpty() && !part->parentPart())
    	part->browserExtension()->setIconURL( KURL(m_url.string()) );

    // Mozilla extension to IE extension: icon specified with type
    if ( part && rel == "icon" && !m_url.isEmpty() && !part->parentPart())
    	part->browserExtension()->setTypedIconURL( KURL(m_url.string()), type );
#else
    // Uses both "shortcut icon" and "icon"
   
    if ( part && rel.contains("icon") && !m_url.isEmpty() && !part->parentPart())
        part->browserExtension()->setIconURL( KURL(m_url.string()) );
#endif

    // Stylesheet
    // This was buggy and would incorrectly match <link rel="alternate">, which has a different specified meaning. -dwh
    if(m_disabledState != 2 && (type.contains("text/css") || rel == "stylesheet" || (rel.contains("alternate") && rel.contains("stylesheet"))) && getDocument()->part()) {
        // no need to load style sheets which aren't for the screen output
        // ### there may be in some situations e.g. for an editor or script to manipulate
	// also, don't load style sheets for standalone documents
        if( m_media.isNull() || m_media.contains("screen") || m_media.contains("all") || m_media.contains("print") ) {
            m_loading = true;

            // Add ourselves as a pending sheet, but only if we aren't an alternate 
            // stylesheet.  Alternate stylesheets don't hold up render tree construction.
            m_alternate = rel.contains("alternate");
            if (!isAlternate())
                getDocument()->addPendingSheet();
            
            QString chset = getAttribute( ATTR_CHARSET ).string();
            if (m_cachedSheet)
                m_cachedSheet->deref(this);
            m_cachedSheet = getDocument()->docLoader()->requestStyleSheet(m_url, chset);
            if (m_cachedSheet)
                m_cachedSheet->ref(this);
        }
    }
    else if (m_sheet) {
        // we no longer contain a stylesheet, e.g. perhaps rel or type was changed
        m_sheet->deref();
        m_sheet = 0;
        getDocument()->updateStyleSelector();
    }
}

Value MozillaSidebarExtensionFunc::tryCall(ExecState *exec, Object &thisObj, const List &args)
{
    KJS_CHECK_THIS(KJS::MozillaSidebarExtension, thisObj);
    MozillaSidebarExtension *mse = static_cast< MozillaSidebarExtension * >(thisObj.imp());

    KHTMLPart *part = mse->part();
    if(!part)
        return Undefined();

    // addPanel()  id == 0
    KParts::BrowserExtension *ext = part->browserExtension();
    if(ext)
    {
        QString url, name;
        if(args.size() == 1)
        {   // I've seen this, don't know if it's legal.
            name = QString::null;
            url = args[0].toString(exec).qstring();
        }
        else if(args.size() == 2 || args.size() == 3)
        {
            name = args[0].toString(exec).qstring();
            url = args[1].toString(exec).qstring();
            // 2 is the "CURL" which I don't understand and don't think we need.
        }
        else
        {
            return Boolean(false);
        }
        emit ext->addWebSideBar(KURL(url), name);
        return Boolean(true);
    }

    return Undefined();
}

void BrowserWindow::GoHistory( int nStep )
{

//	if ( nStep != 0 ) {
//	UpdateHistory();
//	}
	m_nCurHistoryPos += nStep;
	HistoryEntry* pcCurrent = HistoryCurrent();
	if ( pcCurrent != NULL ) {
		GlobalMutex::PushLooper( this );
		m_pcHTMLPart->browserExtension()->restoreState( pcCurrent->m_cState );
		m_pcURLView->Set( pcCurrent->m_cURL.c_str(), false );
		GlobalMutex::PopLooper();
	}
	if ( m_nCurHistoryPos == 0 ) {
	m_pcToolBar->EnableButton( BI_BACK, false );
	} else {
	m_pcToolBar->EnableButton( BI_BACK, true );
	}
	if ( m_nCurHistoryPos >= int(m_cHistory.size()) - 1 ) {
	m_pcToolBar->EnableButton( BI_FORWARD, false );
	} else {
	m_pcToolBar->EnableButton( BI_FORWARD, true );
	}
}

void HTMLLinkElementImpl::process()
{
    if(!inDocument())
        return;

    QString type = getAttribute(ATTR_TYPE).string().lower();
    QString rel = getAttribute(ATTR_REL).string().lower();

    KHTMLPart *part = getDocument()->view() ? getDocument()->view()->part() : 0;

    // IE extension: location of small icon for locationbar / bookmarks
    // Uses both "shortcut icon" and "icon"
    if(part && rel.contains("icon") && !m_url.isEmpty() && !part->parentPart())
        part->browserExtension()->setIconURL(KURL(m_url.string()));

    // Stylesheet
    else if(!m_isDisabled && (type.contains("text/css") || rel.contains("stylesheet")))
    {
        // no need to load style sheets which aren't for the screen output
        // ### there may be in some situations e.g. for an editor or script to manipulate
        if(m_media.isNull() || m_media.contains("screen") || m_media.contains("all") || m_media.contains("print"))
        {
            m_loading = true;
            // Add ourselves as a pending sheet, but only if we aren't an alternate
            // stylesheet.  Alternate stylesheets don't hold up render tree construction.
            m_alternate = rel.contains("alternate");
            if(!isAlternate())
                getDocument()->addPendingSheet();

            QString chset = getAttribute(ATTR_CHARSET).string();
            // set chset to charset of referring document when attribute CHARSET is absent.
            // http://www.w3.org/TR/CSS21/syndata.html(4.4)
            if(chset.isEmpty() && part)
                chset = part->encoding();
            if(m_cachedSheet)
                m_cachedSheet->deref(this);
            m_cachedSheet = getDocument()->docLoader()->requestStyleSheet(m_url, chset);
            if(m_cachedSheet)
            {
                m_isCSSSheet = true;
                m_cachedSheet->ref(this);
            }
            else if(!isAlternate())
            {
                // Error requesting sheet; decrement pending sheet count
                getDocument()->styleSheetLoaded();
            }
        }
    }
    else if(m_sheet)
    {
        // we no longer contain a stylesheet, e.g. perhaps rel or type was changed
        m_sheet->deref();
        m_sheet = 0;
        m_isCSSSheet = false;
        getDocument()->updateStyleSelector();
    }
}

KHTMLImage::KHTMLImage(QWidget *parentWidget, const char *widgetName, QObject *parent, const char *name, KHTMLPart::GUIProfile prof)
    : KParts::ReadOnlyPart(parent, name), m_image(0)
{
    KHTMLPart *parentPart = ::qt_cast< KHTMLPart * >(parent);
    setInstance(KHTMLImageFactory::instance(), prof == KHTMLPart::BrowserViewGUI && !parentPart);

    QVBox *box = new QVBox(parentWidget, widgetName);

    m_khtml = new KHTMLPart(box, widgetName, this, "htmlimagepart", prof);
    m_khtml->setAutoloadImages(true);
    m_khtml->widget()->installEventFilter(this);
    connect(m_khtml->view(), SIGNAL(finishedLayout()), this, SLOT(restoreScrollPosition()));

    setWidget(box);

    // VBox can't take focus, so pass it on to sub-widget
    box->setFocusProxy(m_khtml->widget());

    m_ext = new KHTMLImageBrowserExtension(this, "be");

    // Remove unnecessary actions.
    KAction *encodingAction = actionCollection()->action("setEncoding");
    if(encodingAction)
    {
        encodingAction->unplugAll();
        delete encodingAction;
    }
    KAction *viewSourceAction = actionCollection()->action("viewDocumentSource");
    if(viewSourceAction)
    {
        viewSourceAction->unplugAll();
        delete viewSourceAction;
    }

    KAction *selectAllAction = actionCollection()->action("selectAll");
    if(selectAllAction)
    {
        selectAllAction->unplugAll();
        delete selectAllAction;
    }

    // forward important signals from the khtml part

    // forward opening requests to parent frame (if existing)
    KHTMLPart *p = ::qt_cast< KHTMLPart * >(parent);
    KParts::BrowserExtension *be = p ? p->browserExtension() : m_ext;
    connect(m_khtml->browserExtension(), SIGNAL(openURLRequestDelayed(const KURL &, const KParts::URLArgs &)), be,
            SIGNAL(openURLRequestDelayed(const KURL &, const KParts::URLArgs &)));

    connect(m_khtml->browserExtension(),
            SIGNAL(popupMenu(KXMLGUIClient *, const QPoint &, const KURL &, const KParts::URLArgs &, KParts::BrowserExtension::PopupFlags, mode_t)),
            m_ext,
            SIGNAL(popupMenu(KXMLGUIClient *, const QPoint &, const KURL &, const KParts::URLArgs &, KParts::BrowserExtension::PopupFlags, mode_t)));

    connect(m_khtml->browserExtension(), SIGNAL(enableAction(const char *, bool)), m_ext, SIGNAL(enableAction(const char *, bool)));

    m_ext->setURLDropHandlingEnabled(true);
}

void BrowserWindow::OpenURL( const std::string& cURL, const KParts::URLArgs& cArgs )
{
//	GlobalMutex::Lock();
	
//	m_pcURLView->Set( cURL.c_str(), false );
	m_pcURLView->SetText( cURL.c_str() );
	m_pcHTMLPart->browserExtension()->setURLArgs( cArgs );

	m_pcHTMLPart->openURL( cURL.c_str() );
//	GlobalMutex::Unlock();
	
}

KHTMLImage::KHTMLImage( QWidget *parentWidget,
                        QObject *parent, KHTMLPart::GUIProfile prof )
    : KParts::ReadOnlyPart( parent ), m_image( 0 )
{
    KHTMLPart* parentPart = qobject_cast<KHTMLPart*>( parent );
    setComponentData( KHTMLImageFactory::componentData(), prof == KHTMLPart::BrowserViewGUI && !parentPart );

    KVBox *box = new KVBox( parentWidget );
    box->setAcceptDrops( true );

    m_khtml = new KHTMLPart( box, this, prof );
    m_khtml->setAutoloadImages( true );

    // We do not want our subpart to be destroyed when its widget is,
    // since that may cause all KHTMLParts to die when we're dealing
    // with
    m_khtml->setAutoDeletePart( false );

    connect( m_khtml->view(), SIGNAL(finishedLayout()), this, SLOT(restoreScrollPosition()) );

    setWidget( box );

    // VBox can't take focus, so pass it on to sub-widget
    box->setFocusProxy( m_khtml->widget() );

    m_ext = new KHTMLImageBrowserExtension( this );
    m_ext->setObjectName( "be" );

    m_sbExt = new KParts::StatusBarExtension( this );
    m_sbExt->setObjectName( "sbe" );

    // Remove unnecessary actions.
    delete actionCollection()->action( "setEncoding" );
    delete actionCollection()->action( "viewDocumentSource" );
    delete actionCollection()->action( "selectAll" );

    // forward important signals from the khtml part

    // forward opening requests to parent frame (if existing)
    KHTMLPart *p = qobject_cast<KHTMLPart*>(parent);
    KParts::BrowserExtension *be = p ? p->browserExtension() : m_ext;
    connect(m_khtml->browserExtension(), SIGNAL(openUrlRequestDelayed(KUrl,KParts::OpenUrlArguments,KParts::BrowserArguments)),
               be, SIGNAL(openUrlRequestDelayed(KUrl,KParts::OpenUrlArguments,KParts::BrowserArguments)));

    connect(m_khtml->browserExtension(), SIGNAL(popupMenu(QPoint,KUrl,mode_t,KParts::OpenUrlArguments,KParts::BrowserArguments,KParts::BrowserExtension::PopupFlags,KParts::BrowserExtension::ActionGroupMap)),
            this, SLOT(slotPopupMenu(QPoint,KUrl,mode_t,KParts::OpenUrlArguments,KParts::BrowserArguments,KParts::BrowserExtension::PopupFlags,KParts::BrowserExtension::ActionGroupMap)));

    connect( m_khtml->browserExtension(), SIGNAL(enableAction(const char*,bool)),
             m_ext, SIGNAL(enableAction(const char*,bool)) );

    m_ext->setURLDropHandlingEnabled( true );
}

void RenderPartObject::slotPartLoadingErrorNotify()
{
#if APPLE_CHANGES
    // FIXME: What are we going to do for this case?
#else
    // First we need to find out the servicetype - again - this code is too duplicated !
    HTMLEmbedElementImpl *embed = 0;
    QString serviceType;
    if( element()->id()==ID_OBJECT ) {

        // check for embed child object
        HTMLObjectElementImpl *o = static_cast<HTMLObjectElementImpl *>(element());
        serviceType = o->serviceType;
        NodeImpl *child = o->firstChild();
        while ( child ) {
            if ( child->id() == ID_EMBED )
                embed = static_cast<HTMLEmbedElementImpl *>( child );

            child = child->nextSibling();
        }

    } else if( element()->id()==ID_EMBED ) {
        embed = static_cast<HTMLEmbedElementImpl *>(element());
    }
    if ( embed )
	serviceType = embed->serviceType;

    KHTMLPart *part = static_cast<KHTMLView *>(m_view)->part();
    KParts::BrowserExtension *ext = part->browserExtension();
    if( embed && !embed->pluginPage.isEmpty() && ext ) {
        // Prepare the mimetype to show in the question (comment if available, name as fallback)
        QString mimeName = serviceType;
        KMimeType::Ptr mime = KMimeType::mimeType(serviceType);
        if ( mime->name() != KMimeType::defaultMimeType() )
            mimeName = mime->comment();
        // Prepare the URL to show in the question (host only if http, to make it short)
        KURL pluginPageURL( embed->pluginPage );
        QString shortURL = pluginPageURL.protocol() == "http" ? pluginPageURL.host() : pluginPageURL.prettyURL();
        int res = KMessageBox::questionYesNo( m_view,
            i18n("No plugin found for '%1'.\nDo you want to download one from %2?").arg(mimeName).arg(shortURL),
	    i18n("Missing plugin"), QString::null, QString::null, QString("plugin-")+serviceType);
	if ( res == KMessageBox::Yes )
	{
          // Display vendor download page
          ext->createNewWindow( pluginPageURL );
	}
    }
#endif // APPLE_CHANGES
}

void BrowserWindow::UpdateHistory()
{	
	HistoryEntry* pcCurrent = HistoryCurrent();
	if ( pcCurrent == NULL ) {
		pcCurrent = new HistoryEntry;
		m_nCurHistoryPos = m_cHistory.size();
		m_cHistory.push_back( pcCurrent );
	} else {
		pcCurrent->m_cState.MakeEmpty();
	}
	GlobalMutex::PushLooper( this );
	m_pcHTMLPart->browserExtension()->saveState( &pcCurrent->m_cState );
	pcCurrent->m_cURL = m_pcHTMLPart->url().prettyURL().utf8().data(); // m_pcURLView->GetBuffer()[0];
	GlobalMutex::PopLooper();
}

void BrowserWindow::MessageReceived( BMessage* pcMsg )
{
	switch( pcMsg->what )
	{
	case ID_URL_CHANGED:
	{

		std::string cURL = m_pcURLView->Text();

		for ( uint i = 0 ; i <= cURL.size() ; ++i ) {
			if ( i == cURL.size() || isalnum( cURL[i] ) == false ) {
				if ( i == cURL.size() || cURL[i] != ':' ) {
					std::string cTmp = cURL;
					cURL = "http://";
					for ( uint j = 0 ; j < cTmp.size() ; ++j ) {
						if ( cTmp[j] != '/' ) {
							cURL.insert( cURL.end(), cTmp.begin() + j, cTmp.end() );
							break;
						}
					}
				}
				break;
			}
		}
		m_pcHTMLPart->view()->MakeFocus();
		OpenURL( cURL, KParts::URLArgs() );
//----------------------------------------------
#if 0
		uint32 nEvents = 0;
		pcMsg->FindInt( "events", &nEvents );
		
		if ( nEvents & os::TextView::EI_ESC_PRESSED ) {
			m_pcURLView->Set( m_pcHTMLPart->url().prettyURL().utf8().data() );
			m_pcHTMLPart->view()->MakeFocus();
		break;
		}
		if ( nEvents & os::TextView::EI_ENTER_PRESSED ) {
		std::string cURL = m_pcURLView->GetBuffer()[0];

		for ( uint i = 0 ; i <= cURL.size() ; ++i ) {
			if ( i == cURL.size() || isalnum( cURL[i] ) == false ) {
				if ( i == cURL.size() || cURL[i] != ':' ) {
					std::string cTmp = cURL;
					cURL = "http://";
					for ( uint j = 0 ; j < cTmp.size() ; ++j ) {
						if ( cTmp[j] != '/' ) {
							cURL.insert( cURL.end(), cTmp.begin() + j, cTmp.end() );
							break;
						}
					}
				}
				break;
			}
		}
		UpdateHistory();
		AddHistoryEntry();
		m_pcHTMLPart->view()->MakeFocus();
		OpenURL( cURL, KParts::URLArgs() );
		UpdateHistory();
		}
#endif
		break;
	}
	case ID_ACTIVATE_URLEDIT:
		m_pcURLView->MakeFocus( true );
#if 0
		m_pcURLView->SetCursor( -1, 0 );
#endif
		m_pcURLView->TextView()->SelectAll();
		break;
	case ID_RELOAD:
	{
		KParts::URLArgs cArgs;
		cArgs.reload = true;
		cArgs.xOffset = m_pcHTMLPart->browserExtension()->xOffset();
		cArgs.yOffset = m_pcHTMLPart->browserExtension()->yOffset();
#if 0
		OpenURL( m_pcURLView->GetBuffer()[0], cArgs );
#endif
		OpenURL( m_pcURLView->Text(), cArgs );
		break;
	}
	case ID_NEW_WINDOW:
	{
		BrowserWindow* pcNewWindow = new BrowserWindow( Frame().OffsetByCopy( 30.0f, 30.0f ), false );
		pcNewWindow->Show();
#if 0
		UpdateHistory();
		std::vector<HistoryEntry*> cHistory = m_cHistory;
		cHistory.resize( m_nCurHistoryPos + 1 );
		BrowserWindow* pcNewWindow = new BrowserWindow( GetFrame() + os::Point( 30.0f, 30.0f ), &cHistory, false );
		pcNewWindow->GoHistory(0);
		pcNewWindow->Show( true );
		pcNewWindow->MakeFocus( true );	
#endif
		break;
	}
	case ID_OPEN_LINK:
	{
		BString cURL;
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{

    KCmdLineArgs::init(argc, argv, "Testkhtml", "a basic web browser using the KHTML library", "1.0");
    KCmdLineArgs::addCmdLineOptions(options);

    KApplication a;
    KCmdLineArgs *args = KCmdLineArgs::parsedArgs( );
    if ( args->count() == 0 ) {
	KCmdLineArgs::usage();
	::exit( 1 );
    }

    KHTMLFactory *fac = new KHTMLFactory();

    KMainWindow *toplevel = new KMainWindow();
    KHTMLPart *doc = new KHTMLPart( toplevel, 0, toplevel, 0, KHTMLPart::BrowserViewGUI );

    Dummy *dummy = new Dummy( doc );
    QObject::connect( doc->browserExtension(), SIGNAL( openURLRequest( const KURL &, const KParts::URLArgs & ) ),
		      dummy, SLOT( slotOpenURL( const KURL&, const KParts::URLArgs & ) ) );

    if (args->url(0).url().right(4).find(".xml", 0, false) == 0) {
        KParts::URLArgs ags(doc->browserExtension()->urlArgs());
        ags.serviceType = "text/xml";
        doc->browserExtension()->setURLArgs(ags);
    }

    doc->openURL( args->url(0) );

//     DOMTreeView * dtv = new DOMTreeView(0, doc, "DomTreeView");
//     dtv->show();

    toplevel->setCentralWidget( doc->widget() );
    toplevel->resize( 640, 800);

//     dtv->resize(toplevel->width()/2, toplevel->height());

    QDomDocument d = doc->domDocument();
    QDomElement viewMenu = d.documentElement().firstChild().childNodes().item( 2 ).toElement();
    QDomElement e = d.createElement( "action" );
    e.setAttribute( "name", "debugRenderTree" );
    viewMenu.appendChild( e );
    e = d.createElement( "action" );
    e.setAttribute( "name", "debugDOMTree" );
    viewMenu.appendChild( e );
    QDomElement toolBar = d.documentElement().firstChild().nextSibling().toElement();
    e = d.createElement( "action" );
    e.setAttribute( "name", "reload" );
    toolBar.insertBefore( e, toolBar.firstChild() );
    e = d.createElement( "action" );
    e.setAttribute( "name", "print" );
    toolBar.insertBefore( e, toolBar.firstChild() );

    (void)new KAction( "Reload", "reload", Qt::Key_F5, dummy, SLOT( reload() ), doc->actionCollection(), "reload" );
    KAction* kprint = new KAction( "Print", "print", 0, doc->browserExtension(), SLOT( print() ), doc->actionCollection(), "print" );
    kprint->setEnabled(true);

    toplevel->guiFactory()->addClient( doc );

    doc->setJScriptEnabled(true);
    doc->setJavaEnabled(true);
    doc->setURLCursor(QCursor(Qt::PointingHandCursor));
    a.setTopWidget(doc->widget());
    QWidget::connect(doc, SIGNAL(setWindowCaption(const QString &)),
		     doc->widget(), SLOT(setCaption(const QString &)));
    doc->widget()->show();
    toplevel->show();
    ((QScrollView *)doc->widget())->viewport()->show();


    int ret = a.exec();
    
    //delete doc;
    //delete dtv;

    khtml::Cache::clear();
    khtml::CSSStyleSelector::clear();
    khtml::RenderStyle::cleanup();

    delete fac;
    return ret;
}

int main(int argc, char *argv[])
{
    KCmdLineOptions options;
    options.add("+file", ki18n("URL to open"));

    KCmdLineArgs::init(argc, argv, "testkhtml", 0, ki18n("Testkhtml"),
            "1.0", ki18n("a basic web browser using the KHTML library"));
    KCmdLineArgs::addCmdLineOptions(options);

    KApplication a;
    KCmdLineArgs *args = KCmdLineArgs::parsedArgs( );
    if ( args->count() == 0 ) {
	KCmdLineArgs::usage();
	::exit( 1 );
    }

    new KHTMLGlobal;

    KXmlGuiWindow *toplevel = new KXmlGuiWindow();
    KHTMLPart *doc = new KHTMLPart( toplevel, toplevel, KHTMLPart::BrowserViewGUI );

    Dummy *dummy = new Dummy( doc );
    QObject::connect( doc->browserExtension(), SIGNAL(openUrlRequest(KUrl,KParts::OpenUrlArguments,KParts::BrowserArguments)),
		      dummy, SLOT(slotOpenURL(KUrl,KParts::OpenUrlArguments,KParts::BrowserArguments)) );

    QObject::connect( doc, SIGNAL(completed()), dummy, SLOT(handleDone()) );

    if (args->url(0).url().right(4).toLower() == ".xml") {
        KParts::OpenUrlArguments args(doc->arguments());
        args.setMimeType("text/xml");
        doc->setArguments(args);
    }

    doc->openUrl( args->url(0) );

    toplevel->setCentralWidget( doc->widget() );
    toplevel->resize( 800, 600);

    QDomDocument d = doc->domDocument();
    QDomElement viewMenu = d.documentElement().firstChild().childNodes().item( 2 ).toElement();
    QDomElement e = d.createElement( "action" );
    e.setAttribute( "name", "debugRenderTree" );
    viewMenu.appendChild( e );
    e = d.createElement( "action" );
    e.setAttribute( "name", "debugDOMTree" );
    viewMenu.appendChild( e );
    e = d.createElement( "action" );
    e.setAttribute( "name", "debugDoBenchmark" );
    viewMenu.appendChild( e );

    QDomElement toolBar = d.documentElement().firstChild().nextSibling().toElement();
    e = d.createElement( "action" );
    e.setAttribute( "name", "editable" );
    toolBar.insertBefore( e, toolBar.firstChild() );
    e = d.createElement( "action" );
    e.setAttribute( "name", "navigable" );
    toolBar.insertBefore( e, toolBar.firstChild() );
    e = d.createElement( "action" );
    e.setAttribute( "name", "reload" );
    toolBar.insertBefore( e, toolBar.firstChild() );
    e = d.createElement( "action" );
    e.setAttribute( "name", "print" );
    toolBar.insertBefore( e, toolBar.firstChild() );

    KAction *action = new KAction(KIcon("view-refresh"),  "Reload", doc );
    doc->actionCollection()->addAction( "reload", action );
    QObject::connect(action, SIGNAL(triggered(bool)), dummy, SLOT(reload()));
    action->setShortcut(Qt::Key_F5);

    KAction *bench = new KAction( KIcon(), "Benchmark...", doc );
    doc->actionCollection()->addAction( "debugDoBenchmark", bench );
    QObject::connect(bench, SIGNAL(triggered(bool)), dummy, SLOT(doBenchmark()));

    KAction *kprint = new KAction(KIcon("document-print"),  "Print", doc );
    doc->actionCollection()->addAction( "print", kprint );
    QObject::connect(kprint, SIGNAL(triggered(bool)), doc->browserExtension(), SLOT(print()));
    kprint->setEnabled(true);
    KToggleAction *ta = new KToggleAction( KIcon("edit-rename"), "Navigable", doc );
    doc->actionCollection()->addAction( "navigable", ta );
    ta->setShortcuts( KShortcut() );
    ta->setChecked(doc->isCaretMode());
    QWidget::connect(ta, SIGNAL(toggled(bool)), dummy, SLOT(toggleNavigable(bool)));
    ta = new KToggleAction( KIcon("document-properties"), "Editable", doc );
    doc->actionCollection()->addAction( "editable", ta );
    ta->setShortcuts( KShortcut() );
    ta->setChecked(doc->isEditable());
    QWidget::connect(ta, SIGNAL(toggled(bool)), dummy, SLOT(toggleEditable(bool)));
    toplevel->guiFactory()->addClient( doc );

    doc->setJScriptEnabled(true);
    doc->setJavaEnabled(true);
    doc->setPluginsEnabled( true );
    doc->setURLCursor(QCursor(Qt::PointingHandCursor));
    a.setTopWidget(doc->widget());
    QWidget::connect(doc, SIGNAL(setWindowCaption(QString)),
		     doc->widget()->topLevelWidget(), SLOT(setCaption(QString)));
    doc->widget()->show();
    toplevel->show();
    doc->view()->viewport()->show();
    doc->view()->widget()->show();
//.........这里部分代码省略.........

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    if (a.arguments().count() <= 1) {
        qWarning() << "Argument expected: url to open";
        return 1;
    }

    new KHTMLGlobal;

    KXmlGuiWindow *toplevel = new KXmlGuiWindow();
    KHTMLPart *doc = new KHTMLPart(toplevel, toplevel, KHTMLPart::BrowserViewGUI);

    Dummy *dummy = new Dummy(doc);
    QObject::connect(doc->browserExtension(), SIGNAL(openUrlRequest(QUrl,KParts::OpenUrlArguments,KParts::BrowserArguments)),
                     dummy, SLOT(slotOpenURL(QUrl,KParts::OpenUrlArguments,KParts::BrowserArguments)));

    QObject::connect(doc, SIGNAL(completed()), dummy, SLOT(handleDone()));

    QUrl url = QUrl::fromUserInput(a.arguments().at(1)); // TODO support for relative paths
    if (url.path().right(4).toLower() == ".xml") {
        KParts::OpenUrlArguments args(doc->arguments());
        args.setMimeType("text/xml");
        doc->setArguments(args);
    }

    doc->openUrl(url);

    toplevel->setCentralWidget(doc->widget());
    toplevel->resize(800, 600);

    QDomDocument d = doc->domDocument();
    QDomElement viewMenu = d.documentElement().firstChild().childNodes().item(2).toElement();
    QDomElement e = d.createElement("action");
    e.setAttribute("name", "debugRenderTree");
    viewMenu.appendChild(e);
    e = d.createElement("action");
    e.setAttribute("name", "debugDOMTree");
    viewMenu.appendChild(e);
    e = d.createElement("action");
    e.setAttribute("name", "debugDoBenchmark");
    viewMenu.appendChild(e);

    QDomElement toolBar = d.documentElement().firstChild().nextSibling().toElement();
    e = d.createElement("action");
    e.setAttribute("name", "editable");
    toolBar.insertBefore(e, toolBar.firstChild());
    e = d.createElement("action");
    e.setAttribute("name", "navigable");
    toolBar.insertBefore(e, toolBar.firstChild());
    e = d.createElement("action");
    e.setAttribute("name", "reload");
    toolBar.insertBefore(e, toolBar.firstChild());
    e = d.createElement("action");
    e.setAttribute("name", "print");
    toolBar.insertBefore(e, toolBar.firstChild());

    QAction *action = new QAction(QIcon::fromTheme("view-refresh"),  "Reload", doc);
    doc->actionCollection()->addAction("reload", action);
    QObject::connect(action, SIGNAL(triggered(bool)), dummy, SLOT(reload()));
    doc->actionCollection()->setDefaultShortcut(action, Qt::Key_F5);

    QAction *bench = new QAction(QIcon(), "Benchmark...", doc);
    doc->actionCollection()->addAction("debugDoBenchmark", bench);
    QObject::connect(bench, SIGNAL(triggered(bool)), dummy, SLOT(doBenchmark()));

    QAction *kprint = new QAction(QIcon::fromTheme("document-print"),  "Print", doc);
    doc->actionCollection()->addAction("print", kprint);
    QObject::connect(kprint, SIGNAL(triggered(bool)), doc->browserExtension(), SLOT(print()));
    kprint->setEnabled(true);
    KToggleAction *ta = new KToggleAction(QIcon::fromTheme("edit-rename"), "Navigable", doc);
    doc->actionCollection()->addAction("navigable", ta);
    ta->setShortcuts(QList<QKeySequence>());
    ta->setChecked(doc->isCaretMode());
    QWidget::connect(ta, SIGNAL(toggled(bool)), dummy, SLOT(toggleNavigable(bool)));
    ta = new KToggleAction(QIcon::fromTheme("document-properties"), "Editable", doc);
    doc->actionCollection()->addAction("editable", ta);
    ta->setShortcuts(QList<QKeySequence>());
    ta->setChecked(doc->isEditable());
    QWidget::connect(ta, SIGNAL(toggled(bool)), dummy, SLOT(toggleEditable(bool)));
    toplevel->guiFactory()->addClient(doc);

    doc->setJScriptEnabled(true);
    doc->setJavaEnabled(true);
    doc->setPluginsEnabled(true);
    doc->setURLCursor(QCursor(Qt::PointingHandCursor));
    a.setActiveWindow(doc->widget());
    QWidget::connect(doc, SIGNAL(setWindowCaption(QString)),
                     doc->widget()->topLevelWidget(), SLOT(setCaption(QString)));
    doc->widget()->show();
    toplevel->show();
    doc->view()->viewport()->show();
    doc->view()->widget()->show();

    int ret = a.exec();
    return ret;
}