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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2000 Dirk Mueller (mueller@kde.org) | 4 * (C) 2000 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved. | 5 * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
11 * | 11 * |
12 * This library is distributed in the hope that it will be useful, | 12 * This library is distributed in the hope that it will be useful, |
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 * Library General Public License for more details. | 15 * Library General Public License for more details. |
16 * | 16 * |
17 * You should have received a copy of the GNU Library General Public License | 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 | 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, | 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 * Boston, MA 02110-1301, USA. | 20 * Boston, MA 02110-1301, USA. |
21 * | 21 * |
22 */ | 22 */ |
23 | 23 |
24 #ifndef HTMLLabelElement_h | 24 #ifndef HTMLLabelElement_h |
25 #define HTMLLabelElement_h | 25 #define HTMLLabelElement_h |
26 | 26 |
| 27 #include "core/html/FormAssociatedElement.h" |
27 #include "core/html/HTMLElement.h" | 28 #include "core/html/HTMLElement.h" |
28 #include "core/html/LabelableElement.h" | 29 #include "core/html/LabelableElement.h" |
29 | 30 |
30 namespace blink { | 31 namespace blink { |
31 | 32 |
32 class HTMLLabelElement FINAL : public HTMLElement { | 33 class HTMLLabelElement FINAL : public HTMLElement, public FormAssociatedElement
{ |
33 DEFINE_WRAPPERTYPEINFO(); | 34 DEFINE_WRAPPERTYPEINFO(); |
| 35 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLLabelElement); |
34 public: | 36 public: |
35 DECLARE_NODE_FACTORY(HTMLLabelElement); | 37 static PassRefPtrWillBeRawPtr<HTMLLabelElement> create(Document&, HTMLFormEl
ement*); |
36 | |
37 LabelableElement* control() const; | 38 LabelableElement* control() const; |
38 | 39 |
39 virtual bool willRespondToMouseClickEvents() OVERRIDE; | 40 virtual bool willRespondToMouseClickEvents() OVERRIDE; |
40 | 41 |
| 42 virtual void trace(Visitor*) OVERRIDE; |
| 43 |
41 virtual HTMLFormElement* formOwner() const OVERRIDE; | 44 virtual HTMLFormElement* formOwner() const OVERRIDE; |
42 | 45 |
| 46 |
| 47 #if !ENABLE(OILPAN) |
| 48 using Node::ref; |
| 49 using Node::deref; |
| 50 #endif |
| 51 |
43 private: | 52 private: |
44 explicit HTMLLabelElement(Document&); | 53 explicit HTMLLabelElement(Document&, HTMLFormElement*); |
45 bool isInInteractiveContent(Node*) const; | 54 bool isInInteractiveContent(Node*) const; |
46 | 55 |
47 virtual bool rendererIsFocusable() const OVERRIDE; | 56 virtual bool rendererIsFocusable() const OVERRIDE; |
48 virtual bool isInteractiveContent() const OVERRIDE; | 57 virtual bool isInteractiveContent() const OVERRIDE; |
49 virtual void accessKeyAction(bool sendMouseEvents) OVERRIDE; | 58 virtual void accessKeyAction(bool sendMouseEvents) OVERRIDE; |
50 | 59 |
51 virtual void attributeWillChange(const QualifiedName&, const AtomicString& o
ldValue, const AtomicString& newValue) OVERRIDE; | 60 virtual void attributeWillChange(const QualifiedName&, const AtomicString& o
ldValue, const AtomicString& newValue) OVERRIDE; |
52 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; | 61 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; |
53 virtual void removedFrom(ContainerNode*) OVERRIDE; | 62 virtual void removedFrom(ContainerNode*) OVERRIDE; |
54 | 63 |
55 // Overridden to update the hover/active state of the corresponding control. | 64 // Overridden to update the hover/active state of the corresponding control. |
56 virtual void setActive(bool = true) OVERRIDE; | 65 virtual void setActive(bool = true) OVERRIDE; |
57 virtual void setHovered(bool = true) OVERRIDE; | 66 virtual void setHovered(bool = true) OVERRIDE; |
58 | 67 |
59 // Overridden to either click() or focus() the corresponding control. | 68 // Overridden to either click() or focus() the corresponding control. |
60 virtual void defaultEventHandler(Event*) OVERRIDE; | 69 virtual void defaultEventHandler(Event*) OVERRIDE; |
61 | 70 |
62 virtual void focus(bool restorePreviousSelection, FocusType) OVERRIDE; | 71 virtual void focus(bool restorePreviousSelection, FocusType) OVERRIDE; |
63 | 72 |
| 73 // FormAssociatedElement methods |
| 74 virtual bool isFormControlElement() const OVERRIDE { return false; } |
| 75 virtual bool isEnumeratable() const OVERRIDE { return false; } |
| 76 virtual bool isLabelElement() const OVERRIDE { return true; } |
| 77 #if !ENABLE(OILPAN) |
| 78 virtual void refFormAssociatedElement() OVERRIDE { ref(); } |
| 79 virtual void derefFormAssociatedElement() OVERRIDE { deref(); } |
| 80 #endif |
| 81 |
| 82 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERR
IDE; |
| 83 |
64 void updateLabel(TreeScope&, const AtomicString& oldForAttributeValue, const
AtomicString& newForAttributeValue); | 84 void updateLabel(TreeScope&, const AtomicString& oldForAttributeValue, const
AtomicString& newForAttributeValue); |
65 }; | 85 }; |
66 | 86 |
| 87 |
| 88 template<typename T> inline const T& toElement(const FormAssociatedElement&); |
| 89 template<typename T> inline const T* toElement(const FormAssociatedElement*); |
| 90 // Make toHTMLLabelElement() accept a FormAssociatedElement as input instead of
a Node. |
| 91 template<> inline const HTMLLabelElement* toElement<HTMLLabelElement>(const Form
AssociatedElement* element) |
| 92 { |
| 93 const HTMLLabelElement* labelElement = static_cast<const HTMLLabelElement*>(
element); |
| 94 // FormAssociatedElement doesn't have hasTagName, hence check for assert. |
| 95 ASSERT_WITH_SECURITY_IMPLICATION(!labelElement || labelElement->hasTagName(H
TMLNames::labelTag)); |
| 96 return labelElement; |
| 97 } |
| 98 |
| 99 template<> inline const HTMLLabelElement& toElement<HTMLLabelElement>(const Form
AssociatedElement& element) |
| 100 { |
| 101 const HTMLLabelElement& labelElement = static_cast<const HTMLLabelElement&>(
element); |
| 102 // FormAssociatedElement doesn't have hasTagName, hence check for assert. |
| 103 ASSERT_WITH_SECURITY_IMPLICATION(labelElement.hasTagName(HTMLNames::labelTag
)); |
| 104 return labelElement; |
| 105 } |
| 106 |
67 } // namespace blink | 107 } // namespace blink |
68 | 108 |
69 #endif // HTMLLabelElement_h | 109 #endif // HTMLLabelElement_h |
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