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 };
centeringMode()48 CenteringMode centeringMode() const { return m_centeringMode; }
centeredPosition()49 LayoutUnit centeredPosition() const
50 {
51 ASSERT(m_centeringMode == Centered);
52 return m_centeredPosition;
53 }
54 void setCentered(LayoutUnit centeredPosition);
55 void setNotCentered();
56
returnValue()57 String returnValue() const { return m_returnValue; }
setReturnValue(const String & 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
toHTMLDialogElement(Node * node)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