1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3  * License, v. 2.0. If a copy of the MPL was not distributed with this
4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 
6 /* class for CSS @import rules */
7 
8 #ifndef mozilla_css_ImportRule_h__
9 #define mozilla_css_ImportRule_h__
10 
11 #include "mozilla/Attributes.h"
12 
13 #include "mozilla/MemoryReporting.h"
14 #include "mozilla/css/Rule.h"
15 #include "nsIDOMCSSImportRule.h"
16 
17 class nsMediaList;
18 class nsString;
19 
20 namespace mozilla {
21 
22 class CSSStyleSheet;
23 
24 namespace css {
25 
26 class ImportRule final : public Rule,
27                          public nsIDOMCSSImportRule
28 {
29 public:
30   ImportRule(nsMediaList* aMedia, const nsString& aURLSpec,
31              uint32_t aLineNumber, uint32_t aColumnNumber);
32 private:
33   // for |Clone|
34   ImportRule(const ImportRule& aCopy);
35   ~ImportRule();
36 public:
37   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(ImportRule, mozilla::css::Rule)
38   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
39 
40   DECL_STYLE_RULE_INHERIT
41 
42 #ifdef HAVE_CPP_AMBIGUITY_RESOLVING_USING
43   using Rule::GetStyleSheet; // unhide since nsIDOMCSSImportRule has its own GetStyleSheet
44 #endif
45 
46   // Rule methods
47 #ifdef DEBUG
48   virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override;
49 #endif
50   virtual int32_t GetType() const override;
51   virtual already_AddRefed<Rule> Clone() const override;
52 
53   void SetSheet(CSSStyleSheet*);
54 
55   virtual size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const override;
56 
57   // nsIDOMCSSRule interface
58   NS_DECL_NSIDOMCSSRULE
59 
60   // nsIDOMCSSImportRule interface
61   NS_DECL_NSIDOMCSSIMPORTRULE
62 
63 private:
64   nsString  mURLSpec;
65   RefPtr<nsMediaList> mMedia;
66   RefPtr<CSSStyleSheet> mChildSheet;
67 };
68 
69 } // namespace css
70 } // namespace mozilla
71 
72 #endif /* mozilla_css_ImportRule_h__ */
73