kjs_window.cpp

khtml在gtk上的移植版本

#else
    return Boolean((KMessageBox::warningYesNo(widget, QStyleSheet::convertFromPlainText(str), "JavaScript",
                                                i18n("OK"), i18n("Cancel")) == KMessageBox::Yes));
#endif
  case Window::Prompt:
    if (part && part->xmlDocImpl())
      part->xmlDocImpl()->updateRendering();
    bool ok;
#if APPLE_CHANGES
    ok = KWQ(part)->runJavaScriptPrompt(str, args.size() >= 2 ? args[1].toString(exec).qstring() : QString::null, str2);
#else
    if (args.size() >= 2)
      str2 = QInputDialog::getText(i18n("Konqueror: Prompt"),
                                   QStyleSheet::convertFromPlainText(str),
                                   QLineEdit::Normal,
                                   args[1].toString(exec).qstring(), &ok);
    else
      str2 = QInputDialog::getText(i18n("Konqueror: Prompt"),
                                   QStyleSheet::convertFromPlainText(str),
                                   QLineEdit::Normal,
                                   QString::null, &ok);
#endif
    if ( ok )
        return String(str2);
    else
        return Null();
  case Window::Open:
  {
    KConfig *config = new KConfig("konquerorrc");
    config->setGroup("Java/JavaScript Settings");
#if !APPLE_CHANGES
    int policy = config->readUnsignedNumEntry( "WindowOpenPolicy", 0 ); // 0=allow, 1=ask, 2=deny, 3=smart
#else    
    int policy = config->readUnsignedNumEntry( part->settings(), "WindowOpenPolicy", 0 ); // 0=allow, 1=ask, 2=deny, 3=smart
#endif
    delete config;
    if ( policy == 1 ) {
#if !APPLE_CHANGES
      if ( KMessageBox::questionYesNo(widget,
                                      i18n( "This site is trying to open up a new browser "
                                            "window using Javascript.\n"
                                            "Do you want to allow this?" ),
                                      i18n( "Confirmation: Javascript Popup" ) ) == KMessageBox::Yes )
#endif
        policy = 0;
    } else if ( policy == 3 ) // smart
    {
      // window.open disabled unless from a key/mouse event
      if (static_cast<ScriptInterpreter *>(exec->dynamicInterpreter())->wasRunByUserGesture())
#if !APPLE_CHANGES
        policy = 0;
#else
      {
        policy = 0;
	LOG(PopupBlocking, "Allowed JavaScript window open of %s", args[0].toString(exec).qstring().ascii());
      } else {
	LOG(PopupBlocking, "Blocked JavaScript window open of %s", args[0].toString(exec).qstring().ascii());
      }
#endif
    }

    QString frameName = !args[1].isNull() && args[1].type() != UndefinedType ?
                        args[1].toString(exec).qstring()
                        : QString("_blank");

    if ( policy != 0 && !(part->findFrame(frameName) || frameName == "_top" || frameName == "_parent" || frameName == "_self")) {
      return Undefined();
    } else {
      if (v.type() == UndefinedType)
        str = QString();

      KParts::WindowArgs winargs;

      // scan feature argument
      v = args[2];
      QString features;
      if (!v.isNull() && v.type() != UndefinedType && v.toString(exec).size() > 0) {
        features = v.toString(exec).qstring();
        // specifying window params means false defaults
        winargs.menuBarVisible = false;
        winargs.toolBarsVisible = false;
        winargs.statusBarVisible = false;
#if APPLE_CHANGES
	winargs.scrollbarsVisible = true;
#endif
        QStringList flist = QStringList::split(',', features);
        QStringList::ConstIterator it = flist.begin();
        while (it != flist.end()) {
          QString s = *it++;
          QString key, val;
          int pos = s.find('=');
          if (pos >= 0) {
            key = s.left(pos).stripWhiteSpace().lower();
            val = s.mid(pos + 1).stripWhiteSpace().lower();
	    int spacePos = val.find(' ');
	    if (spacePos != -1) {
	      val = val.left(spacePos);
	    }

            int scnum = QApplication::desktop()->screenNumber(widget->topLevelWidget());

	    QRect screen = QApplication::desktop()->screenGeometry(scnum);
            if (key == "left" || key == "screenx") {
              bool ok;
              double d = val.toDouble(&ok);
              if (d != 0 || ok) {
                d += screen.x();
                if (d < screen.x() || d > screen.right())
		  d = screen.x(); // only safe choice until size is determined
                winargs.x = (int)d;
#if APPLE_CHANGES
	        winargs.xSet = true;
#endif
            } else if (key == "top" || key == "screeny") {
              bool ok;
              double d = val.toDouble(&ok);
              if (d != 0 || ok) {
                d += screen.y();
                if (d < screen.y() || d > screen.bottom())
		  d = screen.y(); // only safe choice until size is determined
                winargs.y = (int)d;
#if APPLE_CHANGES
	        winargs.ySet = true;
#endif
              }
            } else if (key == "height") {
              bool ok;
              double d = val.toDouble(&ok);
              if (d != 0 || ok) {
#if !APPLE_CHANGES
                d += 2*qApp->style().pixelMetric( QStyle::PM_DefaultFrameWidth ) + 2;
#endif
	        if (d > screen.height())  // should actually check workspace
		  d = screen.height();
                if (d < 100)
		  d = 100;
                winargs.height = (int)d;
#if APPLE_CHANGES
	        winargs.heightSet = true;
#endif
              }
            } else if (key == "width") {
              bool ok;
              double d = val.toDouble(&ok);
              if (d != 0 || ok) {
#if !APPLE_CHANGES
                d += 2*qApp->style().pixelMetric( QStyle::PM_DefaultFrameWidth ) + 2;
#endif
	        if (d > screen.width())    // should actually check workspace
		  d = screen.width();
                if (d < 100)
		  d = 100;
                winargs.width = (int)d;
#if APPLE_CHANGES
	        winargs.widthSet = true;
#endif
              }
            } else {
              goto boolargs;
	    }
            continue;
          } else {
            // leaving away the value gives true
            key = s.stripWhiteSpace().lower();
            val = "1";
          }
        boolargs:
          if (key == "menubar")
            winargs.menuBarVisible = (val == "1" || val == "yes");
          else if (key == "toolbar")
            winargs.toolBarsVisible = (val == "1" || val == "yes");
          else if (key == "location")  // ### missing in WindowArgs
            winargs.toolBarsVisible = (val == "1" || val == "yes");
          else if (key == "status" || key == "statusbar")
            winargs.statusBarVisible = (val == "1" || val == "yes");
          else if (key == "resizable")
            winargs.resizable = (val == "1" || val == "yes");
          else if (key == "fullscreen")
            winargs.fullscreen = (val == "1" || val == "yes");
#if APPLE_CHANGES
          else if (key == "scrollbars")
            winargs.scrollbarsVisible = !(val == "0" || val == "no");
#endif
        }
      }

      // prepare arguments
      KURL url;
      if (!str.isEmpty())
      {
        KHTMLPart* p = Window::retrieveActive(exec)->m_part;
        if ( p )
          url = p->htmlDocument().completeURL(str).string();
      }

      KParts::URLArgs uargs;
      uargs.frameName = frameName;
      if ( uargs.frameName == "_top" )
      {
	  // FIXME: referrer?
          while ( part->parentPart() )
              part = part->parentPart();
          bool userGesture = static_cast<ScriptInterpreter *>(exec->dynamicInterpreter())->wasRunByUserGesture();
          part->scheduleRedirection(0, url.url(), false/*don't lock history*/, userGesture);
          return Window::retrieve(part);
      }
      if ( uargs.frameName == "_parent" )
      {
	  // FIXME: referrer?
          if ( part->parentPart() )
              part = part->parentPart();
          bool userGesture = static_cast<ScriptInterpreter *>(exec->dynamicInterpreter())->wasRunByUserGesture();
          part->scheduleRedirection(0, url.url(), false/*don't lock history*/, userGesture);
          return Window::retrieve(part);
      }
      uargs.serviceType = "text/html";

      // request window (new or existing if framename is set)
      KParts::ReadOnlyPart *newPart = 0L;
      emit part->browserExtension()->createNewWindow("", uargs,winargs,newPart);
      if (newPart && newPart->inherits("KHTMLPart")) {
        KHTMLPart *khtmlpart = static_cast<KHTMLPart*>(newPart);
        //qDebug("opener set to %p (this Window's part) in new Window %p  (this Window=%p)",part,win,window);
        khtmlpart->setOpener(part);
        khtmlpart->setOpenedByJS(true);
        if (khtmlpart->document().isNull()) {
          khtmlpart->begin();
          khtmlpart->write("<HTML><BODY>");
          khtmlpart->end();

          if (part->xmlDocImpl()) {
            kdDebug(6070) << "Setting domain to " << part->xmlDocImpl()->domain().string() << endl;
            khtmlpart->xmlDocImpl()->setDomain( part->docImpl()->domain(), true );
          }
          
          if ( part->docImpl() )
            khtmlpart->docImpl()->setBaseURL( part->docImpl()->baseURL() );
        }
#if APPLE_CHANGES
        if (!url.isEmpty()) {
          bool userGesture = static_cast<ScriptInterpreter *>(exec->dynamicInterpreter())->wasRunByUserGesture();
          // FIXME: Need to pass referrer here.
          khtmlpart->scheduleRedirection(0, url.url(), false, userGesture);
	}
#else
        uargs.serviceType = QString::null;
        if (uargs.frameName == "_blank")
          uargs.frameName = QString::null;
        if (!url.isEmpty())
	  // FIXME: need to pass referrer here
          emit khtmlpart->browserExtension()->openURLRequest(url,uargs);
#endif
        return Window::retrieve(khtmlpart); // global object
      } else
        return Undefined();
      }
    }
  }    
#if APPLE_CHANGES
  case Window::Print:
    part->print();
    return Undefined();
#endif
  case Window::ScrollBy:
    window->updateLayout();
    if(args.size() >= 2 && widget)
      widget->scrollBy(args[0].toInt32(exec), args[1].toInt32(exec));
    return Undefined();
  case Window::Scroll:
  case Window::ScrollTo:
    window->updateLayout();
    if(args.size() >= 2 && widget)
      widget->setContentsPos(args[0].toInt32(exec), args[1].toInt32(exec));
    return Undefined();
  case Window::MoveBy:
    if(args.size() >= 2 && widget)
    {
      QWidget * tl = widget->topLevelWidget();
	  QRect sg = QApplication::desktop()->screenGeometry(QApplication::desktop()->screenNumber(tl));
      QPoint dest = tl->pos() + QPoint( args[0].toInt32(exec), args[1].toInt32(exec) );
      // Security check (the spec talks about UniversalBrowserWrite to disable this check...)
      if ( dest.x() >= sg.x() && dest.y() >= sg.x() &&
           dest.x()+tl->width() <= sg.width()+sg.x() &&
           dest.y()+tl->height() <= sg.height()+sg.y() )
        tl->move( dest );
    }
    return Undefined();
  case Window::MoveTo:
    if(args.size() >= 2 && widget)
    {
      QWidget * tl = widget->topLevelWidget();
	  QRect sg = QApplication::desktop()->screenGeometry(QApplication::desktop()->screenNumber(tl));
      QPoint dest( args[0].toInt32(exec)+sg.x(), args[1].toInt32(exec)+sg.y() );
      // Security check (the spec talks about UniversalBrowserWrite to disable this check...)
      if ( dest.x() >= sg.x() && dest.y() >= sg.y() &&
           dest.x()+tl->width() <= sg.width()+sg.x() &&
           dest.y()+tl->height() <= sg.height()+sg.y() )
        tl->move( dest );
    }
    return Undefined();
  case Window::ResizeBy:
    if(args.size() >= 2 && widget)
    {
      QWidget * tl = widget->topLevelWidget();
      QSize dest = tl->size() + QSize( args[0].toInt32(exec), args[1].toInt32(exec) );
	  QRect sg = QApplication::desktop()->screenGeometry(QApplication::desktop()->screenNumber(tl));
      // Security check: within desktop limits and bigger than 100x100 (per spec)
      if ( tl->x()+dest.width() <= sg.x()+sg.width() &&
           tl->y()+dest.height() <= sg.y()+sg.height() &&
           dest.width() >= 100 && dest.height() >= 100 )
      {
        // Take into account the window frame
        int deltaWidth = tl->frameGeometry().width() - tl->width();
        int deltaHeight = tl->frameGeometry().height() - tl->height();
        tl->resize( dest.width() - deltaWidth, dest.height() - deltaHeight );
      }
    }
    return Undefined();
  case Window::ResizeTo:
    if(args.size() >= 2 && widget)
    {
      QWidget * tl = widget->topLevelWidget();
      QSize dest = QSize( args[0].toInt32(exec), args[1].toInt32(exec) );
	  QRect sg = QApplication::desktop()->screenGeometry(QApplication::desktop()->screenNumber(tl));
      // Security check: within desktop limits and bigger than 100x100 (per spec)
      if ( tl->x()+dest.width() <= sg.x()+sg.width() &&
           tl->y()+dest.height() <= sg.y()+sg.height() &&
           dest.width() >= 100 && dest.height() >= 100 )
      {
        // Take into account the window frame
        int deltaWidth = tl->frameGeometry().width() - tl->width();
        int deltaHeight = tl->frameGeometry().height() - tl->height();
        tl->resize( dest.width() - deltaWidth, dest.height() - deltaHeight );
      }
    }
    return Undefined();
  case Window::SetTimeout:
    if (!window->isSafeScript(exec))
        return Undefined();
    if (args.size() >= 2 && v.isA(StringType)) {
      int i = args[1].toInt32(exec);
      int r = (const_cast<Window*>(window))->installTimeout(s, i, true /*single shot*/);
      return Number(r);
    }
    else if (args.size() >= 2 && v.isA(ObjectType) && Object::dynamicCast(v).implementsCall()) {
      Value func = args[0];
      int i = args[1].toInt32(exec);

      // All arguments after the second should go to the function
      // FIXME: could be more efficient
      List funcArgs = args.copyTail().copyTail();

      int r = (const_cast<Window*>(window))->installTimeout(func, funcArgs, i, true /*single shot*/);
      return Number(r);
    }
    else
      return Undefined();
  case Window::SetInterval:
    if (!window->isSafeScript(exec))
        return Undefined();
    if (args.size() >= 2 && v.isA(StringType)) {
      int i = args[1].toInt32(exec);
      int r = (const_cast<Window*>(window))->installTimeout(s, i, false);
      return Number(r);
    }
    else if (args.size() >= 2 && !Object::dynamicCast(v).isNull() &&
	     Object::dynamicCast(v).implementsCall()) {
      Value func = args[0];
      int i = args[1].toInt32(exec);

      // All arguments after the second should go to the function
      // FIXME: could be more efficient
      List funcArgs = args.copyTail().copyTail();

      int r = (const_cast<Window*>(window))->installTimeout(func, funcArgs, i, false);
      return Number(r);
    }
    else
      return Undefined();
  case Window::ClearTimeout:
  case Window::ClearInterval:
    if (!window->isSafeScript(exec))
        return Undefined();
    (const_cast<Window*>(window))->clearTimeout(v.toInt32(exec));
    return Undefined();
  case Window::Focus:
    if (widget)
      widget->setActiveWindow();
    return Undefined();