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_BindingStyleRule_h__
8 #define mozilla_BindingStyleRule_h__
12 #include "mozilla/css/Rule.h"
13 #include "mozilla/NotNull.h"
16 * Shared superclass for mozilla::css::StyleRule and mozilla::ServoStyleRule,
17 * for use from bindings code.
20 class nsICSSDeclaration
;
23 class DeclarationBlock
;
28 class BindingStyleRule
: public css::Rule
{
30 BindingStyleRule(StyleSheet
* aSheet
, css::Rule
* aParentRule
,
31 uint32_t aLineNumber
, uint32_t aColumnNumber
)
32 : css::Rule(aSheet
, aParentRule
, aLineNumber
, aColumnNumber
) {}
33 BindingStyleRule(const BindingStyleRule
& aCopy
) : css::Rule(aCopy
) {}
34 virtual ~BindingStyleRule() {}
37 // This is pure virtual because we have no members, and are an abstract class
38 // to start with. The fact that we have to have this declaration at all is
40 virtual size_t SizeOfIncludingThis(
41 mozilla::MallocSizeOf aMallocSizeOf
) const override MOZ_MUST_OVERRIDE
= 0;
43 // Likewise for this one. We have to override our superclass, but don't
44 // really need to do anything in this method.
45 virtual bool IsCCLeaf() const override MOZ_MUST_OVERRIDE
= 0;
47 virtual uint32_t GetSelectorCount() = 0;
48 virtual nsresult
GetSelectorText(uint32_t aSelectorIndex
,
49 nsAString
& aText
) = 0;
50 virtual nsresult
GetSpecificity(uint32_t aSelectorIndex
,
51 uint64_t* aSpecificity
) = 0;
52 virtual nsresult
SelectorMatchesElement(dom::Element
* aElement
,
53 uint32_t aSelectorIndex
,
54 const nsAString
& aPseudo
,
55 bool aRelevantLinkVisited
,
57 virtual NotNull
<DeclarationBlock
*> GetDeclarationBlock() const = 0;
60 virtual void GetSelectorText(nsAString
& aSelectorText
) = 0;
61 virtual void SetSelectorText(const nsAString
& aSelectorText
) = 0;
62 virtual nsICSSDeclaration
* Style() = 0;
64 virtual JSObject
* WrapObject(JSContext
* aCx
,
65 JS::Handle
<JSObject
*> aGivenProto
) override
;
68 } // namespace mozilla
70 #endif // mozilla_BindingStyleRule_h__