summaryrefslogtreecommitdiffstats
path: root/dom/html/HTMLEmbedElement.h
blob: 47e13e054acaedbda93041b22a84e81938fb84da (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
143
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_HTMLEmbedElement_h
#define mozilla_dom_HTMLEmbedElement_h

#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsObjectLoadingContent.h"
#include "nsGkAtoms.h"
#include "nsError.h"

namespace mozilla::dom {

class HTMLEmbedElement final : public nsGenericHTMLElement,
                               public nsObjectLoadingContent {
 public:
  explicit HTMLEmbedElement(
      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
      mozilla::dom::FromParser aFromParser = mozilla::dom::NOT_FROM_PARSER);

  // nsISupports
  NS_DECL_ISUPPORTS_INHERITED
  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLEmbedElement, embed)

  bool AllowFullscreen() const {
    // We don't need to check prefixed attributes because Flash does not support
    // them.
    return IsRewrittenYoutubeEmbed() && GetBoolAttr(nsGkAtoms::allowfullscreen);
  }

  // EventTarget
  virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;

  virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
  virtual void UnbindFromTree(bool aNullParent = true) override;

  virtual bool IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
                               int32_t* aTabIndex) override;

  virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
                              const nsAString& aValue,
                              nsIPrincipal* aMaybeScriptedPrincipal,
                              nsAttrValue& aResult) override;
  virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction()
      const override;
  NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
  virtual ElementState IntrinsicState() const override;
  virtual void DestroyContent() override;

  // nsObjectLoadingContent
  virtual uint32_t GetCapabilities() const override;

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

  nsresult CopyInnerTo(HTMLEmbedElement* aDest);

  void StartObjectLoad() { StartObjectLoad(true, false); }

  virtual bool IsInteractiveHTMLContent() const override { return true; }

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLEmbedElement,
                                           nsGenericHTMLElement)

  // WebIDL <embed> api
  void GetAlign(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::align, aValue); }
  void SetAlign(const nsAString& aValue, ErrorResult& aRv) {
    SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
  }
  void GetHeight(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::height, aValue); }
  void SetHeight(const nsAString& aValue, ErrorResult& aRv) {
    SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
  }
  void GetName(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
  void SetName(const nsAString& aValue, ErrorResult& aRv) {
    SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
  }
  void GetWidth(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::width, aValue); }
  void SetWidth(const nsAString& aValue, ErrorResult& aRv) {
    SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
  }
  // WebIDL <embed> api
  void GetSrc(DOMString& aValue) {
    GetURIAttr(nsGkAtoms::src, nullptr, aValue);
  }
  void SetSrc(const nsAString& aValue, ErrorResult& aRv) {
    SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
  }
  void GetType(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
  void SetType(const nsAString& aValue, ErrorResult& aRv) {
    SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
  }
  Document* GetSVGDocument(nsIPrincipal& aSubjectPrincipal) {
    return GetContentDocument(aSubjectPrincipal);
  }

  /**
   * Calls LoadObject with the correct arguments to start the plugin load.
   */
  void StartObjectLoad(bool aNotify, bool aForceLoad);

 protected:
  // Override for nsImageLoadingContent.
  nsIContent* AsContent() override { return this; }

  virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
                                const nsAttrValue* aValue,
                                const nsAttrValue* aOldValue,
                                nsIPrincipal* aSubjectPrincipal,
                                bool aNotify) override;
  virtual nsresult OnAttrSetButNotChanged(int32_t aNamespaceID, nsAtom* aName,
                                          const nsAttrValueOrString& aValue,
                                          bool aNotify) override;

 private:
  ~HTMLEmbedElement();

  nsContentPolicyType GetContentPolicyType() const override;

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

  static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
                                    MappedDeclarations&);

  /**
   * This function is called by AfterSetAttr and OnAttrSetButNotChanged.
   * It will not be called if the value is being unset.
   *
   * @param aNamespaceID the namespace of the attr being set
   * @param aName the localname of the attribute being set
   * @param aNotify Whether we plan to notify document observers.
   */
  nsresult AfterMaybeChangeAttr(int32_t aNamespaceID, nsAtom* aName,
                                bool aNotify);
};

}  // namespace mozilla::dom

#endif  // mozilla_dom_HTMLEmbedElement_h