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
|
/* -*- 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/. */
/* thread-safe container of information for resolving url values */
#ifndef mozilla_URLExtraData_h
#define mozilla_URLExtraData_h
#include <utility>
#include "mozilla/StaticPtr.h"
#include "mozilla/BuiltInStyleSheets.h"
#include "nsCOMPtr.h"
#include "nsIPrincipal.h"
#include "nsIReferrerInfo.h"
#include "nsIURI.h"
namespace mozilla {
struct URLExtraData {
static bool ChromeRulesEnabled(nsIURI* aURI);
URLExtraData(already_AddRefed<nsIURI> aBaseURI,
already_AddRefed<nsIReferrerInfo> aReferrerInfo,
already_AddRefed<nsIPrincipal> aPrincipal)
: mBaseURI(std::move(aBaseURI)),
mReferrerInfo(std::move(aReferrerInfo)),
mPrincipal(std::move(aPrincipal)) {
MOZ_ASSERT(mBaseURI);
MOZ_ASSERT(mPrincipal);
MOZ_ASSERT(mReferrerInfo);
// When we hold the URI data of a style sheet, referrer is always
// equal to the sheet URI.
nsCOMPtr<nsIURI> referrer = mReferrerInfo->GetOriginalReferrer();
mChromeRulesEnabled = ChromeRulesEnabled(referrer);
}
URLExtraData(nsIURI* aBaseURI, nsIReferrerInfo* aReferrerInfo,
nsIPrincipal* aPrincipal)
: URLExtraData(do_AddRef(aBaseURI), do_AddRef(aReferrerInfo),
do_AddRef(aPrincipal)) {}
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(URLExtraData)
nsIURI* BaseURI() const { return mBaseURI; }
nsIReferrerInfo* ReferrerInfo() const { return mReferrerInfo; }
nsIPrincipal* Principal() const { return mPrincipal; }
bool ChromeRulesEnabled() const { return mChromeRulesEnabled; }
static URLExtraData* Dummy() {
MOZ_ASSERT(sDummy);
return sDummy;
}
static URLExtraData* DummyChrome() {
MOZ_ASSERT(sDummyChrome);
return sDummyChrome;
}
static void Init();
static void Shutdown();
// URLExtraData objects that shared style sheets use a sheet ID index to
// refer to.
static StaticRefPtr<URLExtraData> sShared[size_t(BuiltInStyleSheet::Count)];
private:
~URLExtraData();
nsCOMPtr<nsIURI> mBaseURI;
nsCOMPtr<nsIReferrerInfo> mReferrerInfo;
nsCOMPtr<nsIPrincipal> mPrincipal;
bool mChromeRulesEnabled;
static StaticRefPtr<URLExtraData> sDummy;
static StaticRefPtr<URLExtraData> sDummyChrome;
};
} // namespace mozilla
#endif // mozilla_URLExtraData_h
|
