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comparison: layout/style/nsICSSDeclaration.h
layout/style/nsICSSDeclaration.h
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| -1:000000000000 | 0:47d6ec4a6551 |
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| 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 /* | |
| 7 * faster version of nsIDOMCSSStyleDeclaration using enums instead of | |
| 8 * strings, for internal use | |
| 9 */ | |
| 10 | |
| 11 #ifndef nsICSSDeclaration_h__ | |
| 12 #define nsICSSDeclaration_h__ | |
| 13 | |
| 14 /** | |
| 15 * This interface provides access to methods analogous to those of | |
| 16 * nsIDOMCSSStyleDeclaration; the difference is that these use | |
| 17 * nsCSSProperty enums for the prop names instead of using strings. | |
| 18 * This is meant for use in performance-sensitive code only! Most | |
| 19 * consumers should continue to use nsIDOMCSSStyleDeclaration. | |
| 20 */ | |
| 21 | |
| 22 #include "mozilla/Attributes.h" | |
| 23 #include "nsIDOMCSSStyleDeclaration.h" | |
| 24 #include "nsCSSProperty.h" | |
| 25 #include "CSSValue.h" | |
| 26 #include "nsWrapperCache.h" | |
| 27 #include "nsString.h" | |
| 28 #include "nsIDOMCSSRule.h" | |
| 29 #include "nsIDOMCSSValue.h" | |
| 30 #include "mozilla/ErrorResult.h" | |
| 31 #include "nsAutoPtr.h" | |
| 32 #include "nsCOMPtr.h" | |
| 33 #include "nsINode.h" | |
| 34 | |
| 35 // dbeabbfa-6cb3-4f5c-aec2-dd558d9d681f | |
| 36 #define NS_ICSSDECLARATION_IID \ | |
| 37 { 0xdbeabbfa, 0x6cb3, 0x4f5c, \ | |
| 38 { 0xae, 0xc2, 0xdd, 0x55, 0x8d, 0x9d, 0x68, 0x1f } } | |
| 39 | |
| 40 class nsICSSDeclaration : public nsIDOMCSSStyleDeclaration, | |
| 41 public nsWrapperCache | |
| 42 { | |
| 43 public: | |
| 44 NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSSDECLARATION_IID) | |
| 45 | |
| 46 /** | |
| 47 * Method analogous to nsIDOMCSSStyleDeclaration::GetPropertyValue, | |
| 48 * which obeys all the same restrictions. | |
| 49 */ | |
| 50 NS_IMETHOD GetPropertyValue(const nsCSSProperty aPropID, | |
| 51 nsAString& aValue) = 0; | |
| 52 | |
| 53 NS_IMETHOD GetAuthoredPropertyValue(const nsAString& aPropName, | |
| 54 nsAString& aValue) = 0; | |
| 55 | |
| 56 /** | |
| 57 * Method analogous to nsIDOMCSSStyleDeclaration::SetProperty. This | |
| 58 * method does NOT allow setting a priority (the priority will | |
| 59 * always be set to default priority). | |
| 60 */ | |
| 61 NS_IMETHOD SetPropertyValue(const nsCSSProperty aPropID, | |
| 62 const nsAString& aValue) = 0; | |
| 63 | |
| 64 virtual nsINode *GetParentObject() = 0; | |
| 65 | |
| 66 // Also have to declare all the nsIDOMCSSStyleDeclaration methods, | |
| 67 // since we want to be able to call them from the WebIDL versions. | |
| 68 NS_IMETHOD GetCssText(nsAString& aCssText) MOZ_OVERRIDE = 0; | |
| 69 NS_IMETHOD SetCssText(const nsAString& aCssText) MOZ_OVERRIDE = 0; | |
| 70 NS_IMETHOD GetPropertyValue(const nsAString& aPropName, | |
| 71 nsAString& aValue) MOZ_OVERRIDE = 0; | |
| 72 virtual already_AddRefed<mozilla::dom::CSSValue> | |
| 73 GetPropertyCSSValue(const nsAString& aPropertyName, | |
| 74 mozilla::ErrorResult& aRv) = 0; | |
| 75 NS_IMETHOD GetPropertyCSSValue(const nsAString& aProp, nsIDOMCSSValue** aVal) MOZ_OVERRIDE | |
| 76 { | |
| 77 mozilla::ErrorResult error; | |
| 78 nsRefPtr<mozilla::dom::CSSValue> val = GetPropertyCSSValue(aProp, error); | |
| 79 if (error.Failed()) { | |
| 80 return error.ErrorCode(); | |
| 81 } | |
| 82 | |
| 83 nsCOMPtr<nsIDOMCSSValue> xpVal = do_QueryInterface(val); | |
| 84 xpVal.forget(aVal); | |
| 85 return NS_OK; | |
| 86 } | |
| 87 NS_IMETHOD RemoveProperty(const nsAString& aPropertyName, | |
| 88 nsAString& aReturn) MOZ_OVERRIDE = 0; | |
| 89 NS_IMETHOD GetPropertyPriority(const nsAString& aPropertyName, | |
| 90 nsAString& aReturn) MOZ_OVERRIDE = 0; | |
| 91 NS_IMETHOD SetProperty(const nsAString& aPropertyName, | |
| 92 const nsAString& aValue, | |
| 93 const nsAString& aPriority) MOZ_OVERRIDE = 0; | |
| 94 NS_IMETHOD GetLength(uint32_t* aLength) MOZ_OVERRIDE = 0; | |
| 95 NS_IMETHOD Item(uint32_t aIndex, nsAString& aReturn) MOZ_OVERRIDE | |
| 96 { | |
| 97 bool found; | |
| 98 IndexedGetter(aIndex, found, aReturn); | |
| 99 if (!found) { | |
| 100 aReturn.Truncate(); | |
| 101 } | |
| 102 return NS_OK; | |
| 103 } | |
| 104 NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule) MOZ_OVERRIDE = 0; | |
| 105 | |
| 106 // WebIDL interface for CSSStyleDeclaration | |
| 107 void SetCssText(const nsAString& aString, mozilla::ErrorResult& rv) { | |
| 108 rv = SetCssText(aString); | |
| 109 } | |
| 110 void GetCssText(nsString& aString) { | |
| 111 // Cast to nsAString& so we end up calling our virtual | |
| 112 // |GetCssText(nsAString& aCssText)| overload, which does the real work. | |
| 113 GetCssText(static_cast<nsAString&>(aString)); | |
| 114 } | |
| 115 uint32_t Length() { | |
| 116 uint32_t length; | |
| 117 GetLength(&length); | |
| 118 return length; | |
| 119 } | |
| 120 void Item(uint32_t aIndex, nsString& aPropName) { | |
| 121 Item(aIndex, static_cast<nsAString&>(aPropName)); | |
| 122 } | |
| 123 | |
| 124 // The actual implementation of the Item method and the WebIDL indexed getter | |
| 125 virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) = 0; | |
| 126 | |
| 127 void GetPropertyValue(const nsAString& aPropName, nsString& aValue, | |
| 128 mozilla::ErrorResult& rv) { | |
| 129 rv = GetPropertyValue(aPropName, aValue); | |
| 130 } | |
| 131 void GetAuthoredPropertyValue(const nsAString& aPropName, nsString& aValue, | |
| 132 mozilla::ErrorResult& rv) { | |
| 133 rv = GetAuthoredPropertyValue(aPropName, aValue); | |
| 134 } | |
| 135 void GetPropertyPriority(const nsAString& aPropName, nsString& aPriority) { | |
| 136 GetPropertyPriority(aPropName, static_cast<nsAString&>(aPriority)); | |
| 137 } | |
| 138 void SetProperty(const nsAString& aPropName, const nsAString& aValue, | |
| 139 const nsAString& aPriority, mozilla::ErrorResult& rv) { | |
| 140 rv = SetProperty(aPropName, aValue, aPriority); | |
| 141 } | |
| 142 void RemoveProperty(const nsAString& aPropName, nsString& aRetval, | |
| 143 mozilla::ErrorResult& rv) { | |
| 144 rv = RemoveProperty(aPropName, aRetval); | |
| 145 } | |
| 146 already_AddRefed<nsIDOMCSSRule> GetParentRule() { | |
| 147 nsCOMPtr<nsIDOMCSSRule> rule; | |
| 148 GetParentRule(getter_AddRefs(rule)); | |
| 149 return rule.forget(); | |
| 150 } | |
| 151 }; | |
| 152 | |
| 153 NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSDeclaration, NS_ICSSDECLARATION_IID) | |
| 154 | |
| 155 #define NS_DECL_NSICSSDECLARATION \ | |
| 156 NS_IMETHOD GetPropertyValue(const nsCSSProperty aPropID, \ | |
| 157 nsAString& aValue); \ | |
| 158 NS_IMETHOD GetAuthoredPropertyValue(const nsAString& aPropName, \ | |
| 159 nsAString& aValue); \ | |
| 160 NS_IMETHOD SetPropertyValue(const nsCSSProperty aPropID, \ | |
| 161 const nsAString& aValue); | |
| 162 | |
| 163 #define NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER \ | |
| 164 NS_IMETHOD GetCssText(nsAString & aCssText); \ | |
| 165 NS_IMETHOD SetCssText(const nsAString & aCssText); \ | |
| 166 NS_IMETHOD GetPropertyValue(const nsAString & propertyName, nsAString & _retval); \ | |
| 167 NS_IMETHOD RemoveProperty(const nsAString & propertyName, nsAString & _retval); \ | |
| 168 NS_IMETHOD GetPropertyPriority(const nsAString & propertyName, nsAString & _retval); \ | |
| 169 NS_IMETHOD SetProperty(const nsAString & propertyName, const nsAString & value, const nsAString & priority); \ | |
| 170 NS_IMETHOD GetLength(uint32_t *aLength); \ | |
| 171 NS_IMETHOD Item(uint32_t index, nsAString & _retval); \ | |
| 172 NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule); | |
| 173 | |
| 174 #endif // nsICSSDeclaration_h__ |
