mirror of
https://github.com/mozilla/gecko-dev.git
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176 lines
6.8 KiB
C++
176 lines
6.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* faster version of nsIDOMCSSStyleDeclaration using enums instead of
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* strings, for internal use
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*/
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#ifndef nsICSSDeclaration_h__
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#define nsICSSDeclaration_h__
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/**
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* This interface provides access to methods analogous to those of
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* nsIDOMCSSStyleDeclaration; the difference is that these use
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* nsCSSProperty enums for the prop names instead of using strings.
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* This is meant for use in performance-sensitive code only! Most
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* consumers should continue to use nsIDOMCSSStyleDeclaration.
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*/
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#include "mozilla/Attributes.h"
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#include "nsIDOMCSSStyleDeclaration.h"
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#include "nsCSSProperty.h"
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#include "CSSValue.h"
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#include "nsWrapperCache.h"
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#include "nsString.h"
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#include "nsIDOMCSSRule.h"
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#include "nsIDOMCSSValue.h"
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#include "mozilla/ErrorResult.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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class nsINode;
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// dbeabbfa-6cb3-4f5c-aec2-dd558d9d681f
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#define NS_ICSSDECLARATION_IID \
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{ 0xdbeabbfa, 0x6cb3, 0x4f5c, \
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{ 0xae, 0xc2, 0xdd, 0x55, 0x8d, 0x9d, 0x68, 0x1f } }
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class nsICSSDeclaration : public nsIDOMCSSStyleDeclaration,
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public nsWrapperCache
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSSDECLARATION_IID)
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/**
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* Method analogous to nsIDOMCSSStyleDeclaration::GetPropertyValue,
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* which obeys all the same restrictions.
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*/
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NS_IMETHOD GetPropertyValue(const nsCSSProperty aPropID,
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nsAString& aValue) = 0;
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NS_IMETHOD GetAuthoredPropertyValue(const nsAString& aPropName,
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nsAString& aValue) = 0;
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/**
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* Method analogous to nsIDOMCSSStyleDeclaration::SetProperty. This
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* method does NOT allow setting a priority (the priority will
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* always be set to default priority).
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*/
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NS_IMETHOD SetPropertyValue(const nsCSSProperty aPropID,
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const nsAString& aValue) = 0;
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virtual nsINode *GetParentObject() = 0;
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// Also have to declare all the nsIDOMCSSStyleDeclaration methods,
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// since we want to be able to call them from the WebIDL versions.
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NS_IMETHOD GetCssText(nsAString& aCssText) MOZ_OVERRIDE = 0;
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NS_IMETHOD SetCssText(const nsAString& aCssText) MOZ_OVERRIDE = 0;
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NS_IMETHOD GetPropertyValue(const nsAString& aPropName,
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nsAString& aValue) MOZ_OVERRIDE = 0;
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virtual already_AddRefed<mozilla::dom::CSSValue>
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GetPropertyCSSValue(const nsAString& aPropertyName,
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mozilla::ErrorResult& aRv) = 0;
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NS_IMETHOD GetPropertyCSSValue(const nsAString& aProp, nsIDOMCSSValue** aVal) MOZ_OVERRIDE
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{
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mozilla::ErrorResult error;
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nsRefPtr<mozilla::dom::CSSValue> val = GetPropertyCSSValue(aProp, error);
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if (error.Failed()) {
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return error.ErrorCode();
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}
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nsCOMPtr<nsIDOMCSSValue> xpVal = do_QueryInterface(val);
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xpVal.forget(aVal);
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return NS_OK;
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}
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NS_IMETHOD RemoveProperty(const nsAString& aPropertyName,
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nsAString& aReturn) MOZ_OVERRIDE = 0;
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NS_IMETHOD GetPropertyPriority(const nsAString& aPropertyName,
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nsAString& aReturn) MOZ_OVERRIDE = 0;
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NS_IMETHOD SetProperty(const nsAString& aPropertyName,
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const nsAString& aValue,
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const nsAString& aPriority) MOZ_OVERRIDE = 0;
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NS_IMETHOD GetLength(uint32_t* aLength) MOZ_OVERRIDE = 0;
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NS_IMETHOD Item(uint32_t aIndex, nsAString& aReturn) MOZ_OVERRIDE
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{
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bool found;
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IndexedGetter(aIndex, found, aReturn);
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if (!found) {
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aReturn.Truncate();
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}
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return NS_OK;
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}
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NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule) MOZ_OVERRIDE = 0;
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// WebIDL interface for CSSStyleDeclaration
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void SetCssText(const nsAString& aString, mozilla::ErrorResult& rv) {
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rv = SetCssText(aString);
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}
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void GetCssText(nsString& aString) {
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// Cast to nsAString& so we end up calling our virtual
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// |GetCssText(nsAString& aCssText)| overload, which does the real work.
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GetCssText(static_cast<nsAString&>(aString));
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}
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uint32_t Length() {
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uint32_t length;
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GetLength(&length);
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return length;
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}
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void Item(uint32_t aIndex, nsString& aPropName) {
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Item(aIndex, static_cast<nsAString&>(aPropName));
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}
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// The actual implementation of the Item method and the WebIDL indexed getter
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virtual void IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) = 0;
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void GetPropertyValue(const nsAString& aPropName, nsString& aValue,
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mozilla::ErrorResult& rv) {
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rv = GetPropertyValue(aPropName, aValue);
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}
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void GetAuthoredPropertyValue(const nsAString& aPropName, nsString& aValue,
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mozilla::ErrorResult& rv) {
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rv = GetAuthoredPropertyValue(aPropName, aValue);
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}
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void GetPropertyPriority(const nsAString& aPropName, nsString& aPriority) {
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GetPropertyPriority(aPropName, static_cast<nsAString&>(aPriority));
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}
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void SetProperty(const nsAString& aPropName, const nsAString& aValue,
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const nsAString& aPriority, mozilla::ErrorResult& rv) {
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rv = SetProperty(aPropName, aValue, aPriority);
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}
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void RemoveProperty(const nsAString& aPropName, nsString& aRetval,
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mozilla::ErrorResult& rv) {
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rv = RemoveProperty(aPropName, aRetval);
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}
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already_AddRefed<nsIDOMCSSRule> GetParentRule() {
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nsCOMPtr<nsIDOMCSSRule> rule;
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GetParentRule(getter_AddRefs(rule));
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return rule.forget();
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}
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSDeclaration, NS_ICSSDECLARATION_IID)
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#define NS_DECL_NSICSSDECLARATION \
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NS_IMETHOD GetPropertyValue(const nsCSSProperty aPropID, \
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nsAString& aValue); \
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NS_IMETHOD GetAuthoredPropertyValue(const nsAString& aPropName, \
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nsAString& aValue); \
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NS_IMETHOD SetPropertyValue(const nsCSSProperty aPropID, \
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const nsAString& aValue);
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#define NS_DECL_NSIDOMCSSSTYLEDECLARATION_HELPER \
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NS_IMETHOD GetCssText(nsAString & aCssText); \
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NS_IMETHOD SetCssText(const nsAString & aCssText); \
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NS_IMETHOD GetPropertyValue(const nsAString & propertyName, nsAString & _retval); \
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NS_IMETHOD RemoveProperty(const nsAString & propertyName, nsAString & _retval); \
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NS_IMETHOD GetPropertyPriority(const nsAString & propertyName, nsAString & _retval); \
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NS_IMETHOD SetProperty(const nsAString & propertyName, const nsAString & value, const nsAString & priority); \
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NS_IMETHOD GetLength(uint32_t *aLength); \
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NS_IMETHOD Item(uint32_t index, nsAString & _retval); \
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NS_IMETHOD GetParentRule(nsIDOMCSSRule * *aParentRule);
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#endif // nsICSSDeclaration_h__
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