The Tor Browser / file comparison
comparison: dom/encoding/FallbackEncoding.h
dom/encoding/FallbackEncoding.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:50a51c7273ce |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef mozilla_dom_FallbackEncoding_h_ | |
| 6 #define mozilla_dom_FallbackEncoding_h_ | |
| 7 | |
| 8 #include "nsString.h" | |
| 9 | |
| 10 namespace mozilla { | |
| 11 namespace dom { | |
| 12 | |
| 13 class FallbackEncoding | |
| 14 { | |
| 15 public: | |
| 16 | |
| 17 /** | |
| 18 * Whether FromTopLevelDomain() should be used. | |
| 19 */ | |
| 20 static bool sGuessFallbackFromTopLevelDomain; | |
| 21 | |
| 22 /** | |
| 23 * Gets the locale-dependent fallback encoding for legacy HTML and plain | |
| 24 * text content. | |
| 25 * | |
| 26 * @param aFallback the outparam for the fallback encoding | |
| 27 */ | |
| 28 static void FromLocale(nsACString& aFallback); | |
| 29 | |
| 30 /** | |
| 31 * Checks if it is appropriate to call FromTopLevelDomain() for a given TLD. | |
| 32 * | |
| 33 * @param aTLD the top-level domain (in Punycode) | |
| 34 * @return true if OK to call FromTopLevelDomain() | |
| 35 */ | |
| 36 static bool IsParticipatingTopLevelDomain(const nsACString& aTLD); | |
| 37 | |
| 38 /** | |
| 39 * Gets a top-level domain-depedendent fallback encoding for legacy HTML | |
| 40 * and plain text content | |
| 41 * | |
| 42 * @param aTLD the top-level domain (in Punycode) | |
| 43 * @param aFallback the outparam for the fallback encoding | |
| 44 */ | |
| 45 static void FromTopLevelDomain(const nsACString& aTLD, nsACString& aFallback); | |
| 46 | |
| 47 // public API ends here! | |
| 48 | |
| 49 /** | |
| 50 * Allocate sInstance used by FromLocale(). | |
| 51 * To be called from nsLayoutStatics only. | |
| 52 */ | |
| 53 static void Initialize(); | |
| 54 | |
| 55 /** | |
| 56 * Delete sInstance used by FromLocale(). | |
| 57 * To be called from nsLayoutStatics only. | |
| 58 */ | |
| 59 static void Shutdown(); | |
| 60 | |
| 61 private: | |
| 62 | |
| 63 /** | |
| 64 * The fallback cache. | |
| 65 */ | |
| 66 static FallbackEncoding* sInstance; | |
| 67 | |
| 68 FallbackEncoding(); | |
| 69 ~FallbackEncoding(); | |
| 70 | |
| 71 /** | |
| 72 * Invalidates the cache. | |
| 73 */ | |
| 74 void Invalidate() | |
| 75 { | |
| 76 mFallback.Truncate(); | |
| 77 } | |
| 78 | |
| 79 static void PrefChanged(const char*, void*); | |
| 80 | |
| 81 /** | |
| 82 * Gets the fallback encoding label. | |
| 83 * @param aFallback the fallback encoding | |
| 84 */ | |
| 85 void Get(nsACString& aFallback); | |
| 86 | |
| 87 nsCString mFallback; | |
| 88 }; | |
| 89 | |
| 90 } // dom | |
| 91 } // mozilla | |
| 92 | |
| 93 #endif // mozilla_dom_FallbackEncoding_h_ | |
| 94 |
