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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2000 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2004, 2005, 2006, 2010, 2011 Apple Inc. All rights reserved.
      6  * Copyright (C) 2010 Google Inc. All rights reserved.
      7  *
      8  * This library is free software; you can redistribute it and/or
      9  * modify it under the terms of the GNU Library General Public
     10  * License as published by the Free Software Foundation; either
     11  * version 2 of the License, or (at your option) any later version.
     12  *
     13  * This library is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * Library General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU Library General Public License
     19  * along with this library; see the file COPYING.LIB.  If not, write to
     20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21  * Boston, MA 02110-1301, USA.
     22  *
     23  */
     24 
     25 #ifndef HTMLOptionElement_h
     26 #define HTMLOptionElement_h
     27 
     28 #include "core/html/HTMLElement.h"
     29 
     30 namespace WebCore {
     31 
     32 class ExceptionState;
     33 class HTMLDataListElement;
     34 class HTMLSelectElement;
     35 
     36 class HTMLOptionElement FINAL : public HTMLElement {
     37 public:
     38     static PassRefPtrWillBeRawPtr<HTMLOptionElement> create(Document&);
     39     static PassRefPtrWillBeRawPtr<HTMLOptionElement> createForJSConstructor(Document&, const String& data, const AtomicString& value,
     40         bool defaultSelected, bool selected, ExceptionState&);
     41 
     42     String text() const;
     43     void setText(const String&, ExceptionState&);
     44 
     45     int index() const;
     46 
     47     String value() const;
     48     void setValue(const AtomicString&);
     49 
     50     bool selected() const;
     51     void setSelected(bool);
     52 
     53     HTMLDataListElement* ownerDataListElement() const;
     54     HTMLSelectElement* ownerSelectElement() const;
     55 
     56     String label() const;
     57     void setLabel(const AtomicString&);
     58 
     59     bool ownElementDisabled() const { return m_disabled; }
     60 
     61     virtual bool isDisabledFormControl() const OVERRIDE;
     62 
     63     String textIndentedToRespectGroupLabel() const;
     64 
     65     void setSelectedState(bool);
     66 
     67     HTMLFormElement* form() const;
     68 
     69     bool isDisplayNone() const;
     70 
     71     virtual void removedFrom(ContainerNode* insertionPoint) OVERRIDE;
     72 
     73 private:
     74     explicit HTMLOptionElement(Document&);
     75 
     76     virtual bool rendererIsFocusable() const OVERRIDE;
     77     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE { return false; }
     78     virtual void attach(const AttachContext& = AttachContext()) OVERRIDE;
     79     virtual void detach(const AttachContext& = AttachContext()) OVERRIDE;
     80 
     81     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     82 
     83     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     84     virtual void accessKeyAction(bool) OVERRIDE;
     85 
     86     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0) OVERRIDE;
     87 
     88     // <option> never has a renderer so we manually manage a cached style.
     89     void updateNonRenderStyle();
     90     virtual RenderStyle* nonRendererStyle() const OVERRIDE;
     91     virtual PassRefPtr<RenderStyle> customStyleForRenderer() OVERRIDE;
     92     virtual void didRecalcStyle(StyleRecalcChange) OVERRIDE;
     93 
     94     String collectOptionInnerText() const;
     95 
     96     bool m_disabled;
     97     bool m_isSelected;
     98     RefPtr<RenderStyle> m_style;
     99 };
    100 
    101 } // namespace WebCore
    102 
    103 #endif
    104