/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* 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/. */ /* * faster version of nsIDOMCSSStyleDeclaration using enums instead of * strings, for internal use */ #ifndef nsICSSDeclaration_h__ #define nsICSSDeclaration_h__ /** * This interface provides access to methods analogous to those of * nsIDOMCSSStyleDeclaration; the difference is that these use * nsCSSPropertyID enums for the prop names instead of using strings. * This is meant for use in performance-sensitive code only! Most * consumers should continue to use nsIDOMCSSStyleDeclaration. */ #include "mozilla/Attributes.h" #include "nsIDOMCSSStyleDeclaration.h" #include "nsCSSPropertyID.h" #include "CSSValue.h" #include "nsWrapperCache.h" #include "nsString.h" #include "nsIDOMCSSRule.h" #include "nsIDOMCSSValue.h" #include "mozilla/ErrorResult.h" #include "nsCOMPtr.h" class nsINode; // dbeabbfa-6cb3-4f5c-aec2-dd558d9d681f #define NS_ICSSDECLARATION_IID \ { 0xdbeabbfa, 0x6cb3, 0x4f5c, \ { 0xae, 0xc2, 0xdd, 0x55, 0x8d, 0x9d, 0x68, 0x1f } } class nsICSSDeclaration : public nsIDOMCSSStyleDeclaration, public nsWrapperCache { public: NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSSDECLARATION_IID) /** * Method analogous to nsIDOMCSSStyleDeclaration::GetPropertyValue, * which obeys all the same restrictions. */ NS_IMETHOD GetPropertyValue(const nsCSSPropertyID aPropID, nsAString& aValue) = 0; NS_IMETHOD GetAuthoredPropertyValue(const nsAString& aPropName, nsAString& aValue) = 0; /** * Method analogous to nsIDOMCSSStyleDeclaration::SetProperty. This * method does NOT allow setting a priority (the priority will * always be set to default priority). */ NS_IMETHOD SetPropertyValue(const nsCSSPropertyID aPropID, const nsAString& aValue) = 0; virtual nsINode *GetParentObject() = 0; // Also have to declare all the nsIDOMCSSStyleDeclaration methods, // since we want to be able to call them from the WebIDL versions. NS_IMETHOD GetCssText(nsAString& aCssText) override = 0; NS_IMETHOD SetCssText(const nsAString& aCssText) override = 0; NS_IMETHOD GetPropertyValue(const nsAString& aPropName, nsAString& aValue) override = 0; virtual already_AddRefed<mozilla::dom::CSSValue> GetPropertyCSSValue(const nsAString& aPropertyName, mozilla::ErrorResult& aRv) = 0; NS_IMETHOD GetPropertyCSSValue(const nsAString& aProp, nsIDOMCSSValue** aVal) override { mozilla::ErrorResult error; RefPtr<mozilla::dom::CSSValue> val = GetPropertyCSSValue(aProp, error); if (error.Failed()) { return error.StealNSResult(); } nsCOMPtr<nsIDOMCSSValue> xpVal = do_QueryInterface(val); xpVal.forget(aVal); return NS_OK; } NS_IMETHOD RemoveProperty(const nsAString& aPropertyName, nsAString& aReturn) override = 0; NS_IMETHOD GetPropertyPriority(const nsAString& aPropertyName, nsAString& aReturn) override = 0; NS_IMETHOD SetProperty(const nsAString& aPropertyName, const nsAString& aValue, const nsAString& aPriority) override = 0; NS_IMETHOD GetLength(uint32_t* aLength) override = 0; NS_IMETHOD Item(uint32_t aIndex, nsAString& aReturn) override { bool found; IndexedGetter(aIndex, found, aReturn); if (!found) { aReturn.Truncate(); } return NS_OK; } NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule) override = 0; // WebIDL interface for CSSStyleDeclaration void SetCssText(const nsAString& aString, mozilla::ErrorResult& rv) { rv = SetCssText(aString); } void GetCssText(nsString& aString) { // Cast to nsAString& so we end up calling our virtual // |GetCssText(nsAString& aCssText)| overload, which does the real work. GetCssText(static_cast<nsAString&>(aString)); } uint32_t Length() { uint32_t length; GetLength(&length); return length; } void Item(uint32_t aIndex, nsString& aPropName) { Item(aIndex, static_cast<nsAString&>(aPropName)); } // The actual implementation of the Item method and the WebIDL indexed getter virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) = 0; void GetPropertyValue(const nsAString& aPropName, nsString& aValue, mozilla::ErrorResult& rv) { rv = GetPropertyValue(aPropName, aValue); } void GetAuthoredPropertyValue(const nsAString& aPropName, nsString& aValue, mozilla::ErrorResult& rv) { rv = GetAuthoredPropertyValue(aPropName, aValue); } void GetPropertyPriority(const nsAString& aPropName, nsString& aPriority) { GetPropertyPriority(aPropName, static_cast<nsAString&>(aPriority)); } void SetProperty(const nsAString& aPropName, const nsAString& aValue, const nsAString& aPriority, mozilla::ErrorResult& rv) { rv = SetProperty(aPropName, aValue, aPriority); } void RemoveProperty(const nsAString& aPropName, nsString& aRetval, mozilla::ErrorResult& rv) { rv = RemoveProperty(aPropName, aRetval); } already_AddRefed<nsIDOMCSSRule> GetParentRule() { nsCOMPtr<nsIDOMCSSRule> rule; GetParentRule(getter_AddRefs(rule)); return rule.forget(); } }; NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSDeclaration, NS_ICSSDECLARATION_IID) #define NS_DECL_NSICSSDECLARATION \ NS_IMETHOD GetPropertyValue(const nsCSSPropertyID aPropID, \ nsAString& aValue) override; \ NS_IMETHOD GetAuthoredPropertyValue(const nsAString& aPropName, \ nsAString& aValue) override; \ NS_IMETHOD SetPropertyValue(const nsCSSPropertyID aPropID, \ const nsAString& aValue) override; #define NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER \ NS_IMETHOD GetCssText(nsAString & aCssText) override; \ NS_IMETHOD SetCssText(const nsAString & aCssText) override; \ NS_IMETHOD GetPropertyValue(const nsAString & propertyName, nsAString & _retval) override; \ NS_IMETHOD RemoveProperty(const nsAString & propertyName, nsAString & _retval) override; \ NS_IMETHOD GetPropertyPriority(const nsAString & propertyName, nsAString & _retval) override; \ NS_IMETHOD SetProperty(const nsAString & propertyName, const nsAString & value, const nsAString & priority) override; \ NS_IMETHOD GetLength(uint32_t *aLength) override; \ NS_IMETHOD Item(uint32_t index, nsAString & _retval) override; \ NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule) override; #endif // nsICSSDeclaration_h__