The Tor Browser / file comparison
comparison: layout/style/nsCSSPseudoClasses.cpp
layout/style/nsCSSPseudoClasses.cpp
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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replaced
| -1:000000000000 | 0:fd06dbd7059f |
|---|---|
| 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 /* atom list for CSS pseudo-classes */ | |
| 7 | |
| 8 #include "mozilla/ArrayUtils.h" | |
| 9 | |
| 10 #include "nsCSSPseudoClasses.h" | |
| 11 #include "nsStaticAtom.h" | |
| 12 #include "mozilla/Preferences.h" | |
| 13 #include "nsString.h" | |
| 14 | |
| 15 using namespace mozilla; | |
| 16 | |
| 17 // define storage for all atoms | |
| 18 #define CSS_PSEUDO_CLASS(_name, _value, _pref) \ | |
| 19 static nsIAtom* sPseudoClass_##_name; | |
| 20 #include "nsCSSPseudoClassList.h" | |
| 21 #undef CSS_PSEUDO_CLASS | |
| 22 | |
| 23 #define CSS_PSEUDO_CLASS(name_, value_, pref_) \ | |
| 24 NS_STATIC_ATOM_BUFFER(name_##_pseudo_class_buffer, value_) | |
| 25 #include "nsCSSPseudoClassList.h" | |
| 26 #undef CSS_PSEUDO_CLASS | |
| 27 | |
| 28 static const nsStaticAtom CSSPseudoClasses_info[] = { | |
| 29 #define CSS_PSEUDO_CLASS(name_, value_, pref_) \ | |
| 30 NS_STATIC_ATOM(name_##_pseudo_class_buffer, &sPseudoClass_##name_), | |
| 31 #include "nsCSSPseudoClassList.h" | |
| 32 #undef CSS_PSEUDO_CLASS | |
| 33 }; | |
| 34 | |
| 35 static bool sPseudoClassEnabled[] = { | |
| 36 #define CSS_PSEUDO_CLASS(name_, value_, pref_) \ | |
| 37 true, | |
| 38 #include "nsCSSPseudoClassList.h" | |
| 39 #undef CSS_PSEUDO_CLASS | |
| 40 }; | |
| 41 | |
| 42 void nsCSSPseudoClasses::AddRefAtoms() | |
| 43 { | |
| 44 NS_RegisterStaticAtoms(CSSPseudoClasses_info); | |
| 45 | |
| 46 #define CSS_PSEUDO_CLASS(name_, value_, pref_) \ | |
| 47 if (pref_[0]) { \ | |
| 48 Preferences::AddBoolVarCache(&sPseudoClassEnabled[ePseudoClass_##name_], \ | |
| 49 pref_); \ | |
| 50 } | |
| 51 #include "nsCSSPseudoClassList.h" | |
| 52 #undef CSS_PSEUDO_CLASS | |
| 53 } | |
| 54 | |
| 55 bool | |
| 56 nsCSSPseudoClasses::HasStringArg(Type aType) | |
| 57 { | |
| 58 return aType == ePseudoClass_lang || | |
| 59 aType == ePseudoClass_mozEmptyExceptChildrenWithLocalname || | |
| 60 aType == ePseudoClass_mozSystemMetric || | |
| 61 aType == ePseudoClass_mozLocaleDir || | |
| 62 aType == ePseudoClass_dir; | |
| 63 } | |
| 64 | |
| 65 bool | |
| 66 nsCSSPseudoClasses::HasNthPairArg(Type aType) | |
| 67 { | |
| 68 return aType == ePseudoClass_nthChild || | |
| 69 aType == ePseudoClass_nthLastChild || | |
| 70 aType == ePseudoClass_nthOfType || | |
| 71 aType == ePseudoClass_nthLastOfType; | |
| 72 } | |
| 73 | |
| 74 void | |
| 75 nsCSSPseudoClasses::PseudoTypeToString(Type aType, nsAString& aString) | |
| 76 { | |
| 77 NS_ABORT_IF_FALSE(aType < ePseudoClass_Count, "Unexpected type"); | |
| 78 NS_ABORT_IF_FALSE(aType >= 0, "Very unexpected type"); | |
| 79 (*CSSPseudoClasses_info[aType].mAtom)->ToString(aString); | |
| 80 } | |
| 81 | |
| 82 nsCSSPseudoClasses::Type | |
| 83 nsCSSPseudoClasses::GetPseudoType(nsIAtom* aAtom) | |
| 84 { | |
| 85 for (uint32_t i = 0; i < ArrayLength(CSSPseudoClasses_info); ++i) { | |
| 86 if (*CSSPseudoClasses_info[i].mAtom == aAtom) { | |
| 87 return sPseudoClassEnabled[i] ? Type(i) : ePseudoClass_NotPseudoClass; | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 return nsCSSPseudoClasses::ePseudoClass_NotPseudoClass; | |
| 92 } | |
| 93 | |
| 94 /* static */ bool | |
| 95 nsCSSPseudoClasses::IsUserActionPseudoClass(Type aType) | |
| 96 { | |
| 97 // See http://dev.w3.org/csswg/selectors4/#useraction-pseudos | |
| 98 return aType == ePseudoClass_hover || | |
| 99 aType == ePseudoClass_active || | |
| 100 aType == ePseudoClass_focus; | |
| 101 } |
