summaryrefslogtreecommitdiffstats
path: root/dom/html/HTMLOptionElement.h
blob: 2d647e899374d911152cca8c977760e0ef77ff52 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_HTMLOptionElement_h__
#define mozilla_dom_HTMLOptionElement_h__

#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsIDOMHTMLOptionElement.h"
#include "mozilla/dom/HTMLFormElement.h"

namespace mozilla {
namespace dom {

class HTMLSelectElement;

class HTMLOptionElement final : public nsGenericHTMLElement,
                                public nsIDOMHTMLOptionElement
{
public:
  explicit HTMLOptionElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);

  static already_AddRefed<HTMLOptionElement>
    Option(const GlobalObject& aGlobal,
           const Optional<nsAString>& aText,
           const Optional<nsAString>& aValue,
           const Optional<bool>& aDefaultSelected,
           const Optional<bool>& aSelected, ErrorResult& aError);

  NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLOptionElement, option)

  // nsISupports
  NS_DECL_ISUPPORTS_INHERITED

  // nsIDOMHTMLOptionElement
  using mozilla::dom::Element::SetText;
  using mozilla::dom::Element::GetText;
  NS_DECL_NSIDOMHTMLOPTIONELEMENT

  bool Selected() const;
  bool DefaultSelected() const;

  virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
                                              int32_t aModType) const override;

  virtual nsresult BeforeSetAttr(int32_t aNamespaceID, nsIAtom* aName,
                                 const nsAttrValueOrString* aValue,
                                 bool aNotify) override;
  virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
                                const nsAttrValue* aValue,
                                const nsAttrValue* aOldValue,
                                bool aNotify) override;

  void SetSelectedInternal(bool aValue, bool aNotify);

  virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
                              nsIContent* aBindingParent,
                              bool aCompileEventHandlers) override;
  virtual void UnbindFromTree(bool aDeep = true,
                              bool aNullParent = true) override;

  // nsIContent
  virtual EventStates IntrinsicState() const override;

  virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;

  nsresult CopyInnerTo(mozilla::dom::Element* aDest);

  virtual bool IsDisabled() const override {
    return HasAttr(kNameSpaceID_None, nsGkAtoms::disabled);
  }

  bool Disabled() const
  {
    return GetBoolAttr(nsGkAtoms::disabled);
  }

  void SetDisabled(bool aValue, ErrorResult& aRv)
  {
    SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
  }

  HTMLFormElement* GetForm();

  // The XPCOM GetLabel is OK for us
  void SetLabel(const nsAString& aLabel, ErrorResult& aError)
  {
    SetHTMLAttr(nsGkAtoms::label, aLabel, aError);
  }

  // The XPCOM DefaultSelected is OK for us
  void SetDefaultSelected(bool aValue, ErrorResult& aRv)
  {
    SetHTMLBoolAttr(nsGkAtoms::selected, aValue, aRv);
  }

  // The XPCOM Selected is OK for us
  void SetSelected(bool aValue, ErrorResult& aRv)
  {
    aRv = SetSelected(aValue);
  }

  // The XPCOM GetValue is OK for us
  void SetValue(const nsAString& aValue, ErrorResult& aRv)
  {
    SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
  }

  // The XPCOM GetText is OK for us
  void SetText(const nsAString& aValue, ErrorResult& aRv)
  {
    aRv = SetText(aValue);
  }

  int32_t Index();

protected:
  virtual ~HTMLOptionElement();

  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  /**
   * Get the select content element that contains this option, this
   * intentionally does not return nsresult, all we care about is if
   * there's a select associated with this option or not.
   */
  HTMLSelectElement* GetSelect();

  bool mSelectedChanged;
  bool mIsSelected;

  // True only while we're under the SetOptionsSelectedByIndex call when our
  // "selected" attribute is changing and mSelectedChanged is false.
  bool mIsInSetDefaultSelected;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_HTMLOptionElement_h__