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      1 /*
      2  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      3  * Copyright (C) 2010 Apple Inc. All rights reserved.
      4  *
      5  * This library is free software; you can redistribute it and/or
      6  * modify it under the terms of the GNU Library General Public
      7  * License as published by the Free Software Foundation; either
      8  * version 2 of the License, or (at your option) any later version.
      9  *
     10  * This library is distributed in the hope that it will be useful,
     11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     13  * Library General Public License for more details.
     14  *
     15  * You should have received a copy of the GNU Library General Public License
     16  * along with this library; see the file COPYING.LIB.  If not, write to
     17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18  * Boston, MA 02110-1301, USA.
     19  */
     20 
     21 #include "config.h"
     22 
     23 #if ENABLE(XHTMLMP)
     24 #include "HTMLNoScriptElement.h"
     25 
     26 #include "CSSStyleSelector.h"
     27 #include "HTMLNames.h"
     28 #include "RenderObject.h"
     29 
     30 namespace WebCore {
     31 
     32 using namespace HTMLNames;
     33 
     34 inline HTMLNoScriptElement::HTMLNoScriptElement(const QualifiedName& tagName, Document* document)
     35     : HTMLElement(tagName, document)
     36 {
     37     ASSERT(hasTagName(noscriptTag));
     38 }
     39 
     40 PassRefPtr<HTMLNoScriptElement> HTMLNoScriptElement::create(const QualifiedName& tagName, Document* document)
     41 {
     42     return adoptRef(new HTMLNoScriptElement(tagName, document));
     43 }
     44 
     45 void HTMLNoScriptElement::attach()
     46 {
     47     HTMLElement::attach();
     48 
     49     // If no need to process <noscript>, we hide it by setting display:none temporarily
     50     if (!document()->shouldProcessNoscriptElement()) {
     51         if (renderer() && renderer()->style())
     52             renderer()->style()->setDisplay(NONE);
     53         setNeedsStyleRecalc();
     54     }
     55 }
     56 
     57 void HTMLNoScriptElement::recalcStyle(StyleChange change)
     58 {
     59     if (!document()->shouldProcessNoscriptElement() || !renderer() || !renderer()->style())
     60         return;
     61 
     62     // If <noscript> needs processing, we make it visiable here, including its visible children
     63     RefPtr<RenderStyle> style = renderer()->style();
     64     if (style->display() == NONE) {
     65         style->setDisplay(INLINE);
     66 
     67         // Create renderers for its children
     68         if (hasChildNodes()) {
     69             for (Node* n = firstChild(); n; n = n->traverseNextNode(this))
     70                 if (!n->renderer())
     71                     n->createRendererIfNeeded();
     72         }
     73     }
     74 }
     75 
     76 bool HTMLNoScriptElement::childShouldCreateRenderer(Node*) const
     77 {
     78     return document()->shouldProcessNoscriptElement();
     79 }
     80 
     81 }
     82 
     83 #endif
     84