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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, 2007, 2010 Apple Inc. All rights reserved.
      6  *
      7  * This library is free software; you can redistribute it and/or
      8  * modify it under the terms of the GNU Library General Public
      9  * License as published by the Free Software Foundation; either
     10  * version 2 of the License, or (at your option) any later version.
     11  *
     12  * This library is distributed in the hope that it will be useful,
     13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  * Library General Public License for more details.
     16  *
     17  * You should have received a copy of the GNU Library General Public License
     18  * along with this library; see the file COPYING.LIB.  If not, write to
     19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  * Boston, MA 02110-1301, USA.
     21  *
     22  */
     23 
     24 #ifndef HTMLLabelElement_h
     25 #define HTMLLabelElement_h
     26 
     27 #include "core/html/HTMLElement.h"
     28 #include "core/html/LabelableElement.h"
     29 
     30 namespace WebCore {
     31 
     32 class HTMLLabelElement FINAL : public HTMLElement {
     33 public:
     34     static PassRefPtr<HTMLLabelElement> create(const QualifiedName&, Document*);
     35 
     36     LabelableElement* control();
     37     HTMLFormElement* form() const;
     38 
     39     virtual bool willRespondToMouseClickEvents() OVERRIDE;
     40 
     41 private:
     42     HTMLLabelElement(const QualifiedName&, Document*);
     43 
     44     virtual bool rendererIsFocusable() const OVERRIDE;
     45 
     46     virtual void accessKeyAction(bool sendMouseEvents);
     47 
     48     // Overridden to update the hover/active state of the corresponding control.
     49     virtual void setActive(bool = true, bool pause = false);
     50     virtual void setHovered(bool = true);
     51 
     52     // Overridden to either click() or focus() the corresponding control.
     53     virtual void defaultEventHandler(Event*);
     54 
     55     virtual void focus(bool restorePreviousSelection, FocusDirection) OVERRIDE;
     56 };
     57 
     58 inline bool isHTMLLabelElement(const Node* node)
     59 {
     60     return node->hasTagName(HTMLNames::labelTag);
     61 }
     62 
     63 inline bool isHTMLLabelElement(const Element* element)
     64 {
     65     return element->hasTagName(HTMLNames::labelTag);
     66 }
     67 
     68 inline HTMLLabelElement* toHTMLLabelElement(Node* node)
     69 {
     70     ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLLabelElement(node));
     71     return static_cast<HTMLLabelElement*>(node);
     72 }
     73 
     74 } //namespace
     75 
     76 #endif
     77