Home | History | Annotate | Download | only in html 
      1 /*
      2  * Copyright (C) 2012 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef HTMLDialogElement_h
     27 #define HTMLDialogElement_h
     28 
     29 #include "RuntimeEnabledFeatures.h"
     30 #include "core/html/HTMLElement.h"
     31 
     32 namespace WebCore {
     33 
     34 class Document;
     35 class ExceptionState;
     36 class QualifiedName;
     37 
     38 class HTMLDialogElement FINAL : public HTMLElement {
     39 public:
     40     static PassRefPtr<HTMLDialogElement> create(Document&);
     41 
     42     void close(const String& returnValue, ExceptionState&);
     43     void closeDialog(const String& returnValue = String());
     44     void show();
     45     void showModal(ExceptionState&);
     46 
     47     enum CenteringMode { Uninitialized, Centered, NotCentered };
     48     CenteringMode centeringMode() const { return m_centeringMode; }
     49     LayoutUnit centeredPosition() const
     50     {
     51         ASSERT(m_centeringMode == Centered);
     52         return m_centeredPosition;
     53     }
     54     void setCentered(LayoutUnit centeredPosition);
     55     void setNotCentered();
     56 
     57     String returnValue() const { return m_returnValue; }
     58     void setReturnValue(const String& returnValue) { m_returnValue = returnValue; }
     59 
     60 private:
     61     explicit HTMLDialogElement(Document&);
     62 
     63     virtual bool isPresentationAttribute(const QualifiedName&) const OVERRIDE;
     64     virtual void defaultEventHandler(Event*) OVERRIDE;
     65     virtual bool shouldBeReparentedUnderRenderView(const RenderStyle*) const OVERRIDE;
     66 
     67     void forceLayoutForCentering();
     68 
     69     CenteringMode m_centeringMode;
     70     LayoutUnit m_centeredPosition;
     71     String m_returnValue;
     72 };
     73 
     74 inline HTMLDialogElement* toHTMLDialogElement(Node* node)
     75 {
     76     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::dialogTag));
     77     ASSERT_WITH_SECURITY_IMPLICATION(RuntimeEnabledFeatures::dialogElementEnabled());
     78     return static_cast<HTMLDialogElement*>(node);
     79 }
     80 
     81 } // namespace WebCore
     82 
     83 #endif
     84