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/* -*- 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__
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