1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef mozilla_dom_HTMLStyleElement_h
8 #define mozilla_dom_HTMLStyleElement_h
10 #include "mozilla/Attributes.h"
11 #include "mozilla/dom/LinkStyle.h"
12 #include "nsGenericHTMLElement.h"
13 #include "nsStubMutationObserver.h"
17 namespace mozilla::dom
{
19 class HTMLStyleElement final
: public nsGenericHTMLElement
,
21 public nsStubMutationObserver
{
23 explicit HTMLStyleElement(
24 already_AddRefed
<mozilla::dom::NodeInfo
>&& aNodeInfo
);
27 NS_DECL_ISUPPORTS_INHERITED
30 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLStyleElement
,
33 void GetInnerHTML(nsAString
& aInnerHTML
, OOMReporter
& aError
) override
;
34 using nsGenericHTMLElement::SetInnerHTML
;
35 virtual void SetInnerHTML(const nsAString
& aInnerHTML
,
36 nsIPrincipal
* aSubjectPrincipal
,
37 mozilla::ErrorResult
& aError
) override
;
38 virtual void SetTextContentInternal(const nsAString
& aTextContent
,
39 nsIPrincipal
* aSubjectPrincipal
,
40 mozilla::ErrorResult
& aError
) override
;
42 * Mark this style element with a devtools-specific principal that
43 * skips Content Security Policy unsafe-inline checks. This triggering
44 * principal will be overwritten by any callers that set textContent
45 * or innerHTML on this element.
47 void SetDevtoolsAsTriggeringPrincipal();
49 virtual nsresult
BindToTree(BindContext
&, nsINode
& aParent
) override
;
50 virtual void UnbindFromTree(UnbindContext
&) override
;
51 bool ParseAttribute(int32_t aNamespaceID
, nsAtom
* aAttribute
,
52 const nsAString
& aValue
,
53 nsIPrincipal
* aMaybeScriptedPrincipal
,
54 nsAttrValue
& aResult
) override
;
55 virtual void AfterSetAttr(int32_t aNameSpaceID
, nsAtom
* aName
,
56 const nsAttrValue
* aValue
,
57 const nsAttrValue
* aOldValue
,
58 nsIPrincipal
* aSubjectPrincipal
,
59 bool aNotify
) override
;
61 virtual nsresult
Clone(dom::NodeInfo
*, nsINode
** aResult
) const override
;
63 // nsIMutationObserver
64 NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
65 NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
66 NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
67 NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
69 bool Disabled() const;
70 void SetDisabled(bool aDisabled
);
71 void GetMedia(nsAString
& aValue
) { GetHTMLAttr(nsGkAtoms::media
, aValue
); }
72 void SetMedia(const nsAString
& aMedia
, ErrorResult
& aError
) {
73 SetHTMLAttr(nsGkAtoms::media
, aMedia
, aError
);
75 void GetType(nsAString
& aValue
) { GetHTMLAttr(nsGkAtoms::type
, aValue
); }
76 void SetType(const nsAString
& aType
, ErrorResult
& aError
) {
77 SetHTMLAttr(nsGkAtoms::type
, aType
, aError
);
80 nsDOMTokenList
* Blocking();
81 bool IsPotentiallyRenderBlocking() override
;
83 virtual JSObject
* WrapNode(JSContext
* aCx
,
84 JS::Handle
<JSObject
*> aGivenProto
) override
;
87 virtual ~HTMLStyleElement();
89 nsIContent
& AsContent() final
{ return *this; }
90 const LinkStyle
* AsLinkStyle() const final
{ return this; }
91 Maybe
<SheetInfo
> GetStyleSheetInfo() final
;
94 * Common method to call from the various mutation observer methods.
95 * aContent is a content node that's either the one that changed or its
96 * parent; we should only respond to the change if aContent is non-anonymous.
98 void ContentChanged(nsIContent
* aContent
);
100 RefPtr
<nsDOMTokenList
> mBlocking
;
103 } // namespace mozilla::dom