зеркало из https://github.com/mozilla/gecko-dev.git
140 строки
3.6 KiB
C++
140 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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/. */
|
|
|
|
#include "AnonymousContent.h"
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/dom/AnonymousContentBinding.h"
|
|
#include "nsCycleCollectionParticipant.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIDOMHTMLCollection.h"
|
|
#include "nsStyledElement.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
// Ref counting and cycle collection
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(AnonymousContent, AddRef)
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(AnonymousContent, Release)
|
|
NS_IMPL_CYCLE_COLLECTION(AnonymousContent, mContentNode)
|
|
|
|
AnonymousContent::AnonymousContent(Element* aContentNode) :
|
|
mContentNode(aContentNode)
|
|
{}
|
|
|
|
AnonymousContent::~AnonymousContent()
|
|
{
|
|
}
|
|
|
|
nsCOMPtr<Element>
|
|
AnonymousContent::GetContentNode()
|
|
{
|
|
return mContentNode;
|
|
}
|
|
|
|
void
|
|
AnonymousContent::SetContentNode(Element* aContentNode)
|
|
{
|
|
mContentNode = aContentNode;
|
|
}
|
|
|
|
void
|
|
AnonymousContent::SetTextContentForElement(const nsAString& aElementId,
|
|
const nsAString& aText,
|
|
ErrorResult& aRv)
|
|
{
|
|
Element* element = GetElementById(aElementId);
|
|
if (!element) {
|
|
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
|
|
return;
|
|
}
|
|
|
|
element->SetTextContent(aText, aRv);
|
|
}
|
|
|
|
void
|
|
AnonymousContent::GetTextContentForElement(const nsAString& aElementId,
|
|
DOMString& aText,
|
|
ErrorResult& aRv)
|
|
{
|
|
Element* element = GetElementById(aElementId);
|
|
if (!element) {
|
|
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
|
|
return;
|
|
}
|
|
|
|
element->GetTextContent(aText, aRv);
|
|
}
|
|
|
|
void
|
|
AnonymousContent::SetAttributeForElement(const nsAString& aElementId,
|
|
const nsAString& aName,
|
|
const nsAString& aValue,
|
|
ErrorResult& aRv)
|
|
{
|
|
Element* element = GetElementById(aElementId);
|
|
if (!element) {
|
|
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
|
|
return;
|
|
}
|
|
|
|
element->SetAttribute(aName, aValue, aRv);
|
|
}
|
|
|
|
void
|
|
AnonymousContent::GetAttributeForElement(const nsAString& aElementId,
|
|
const nsAString& aName,
|
|
DOMString& aValue,
|
|
ErrorResult& aRv)
|
|
{
|
|
Element* element = GetElementById(aElementId);
|
|
if (!element) {
|
|
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
|
|
return;
|
|
}
|
|
|
|
element->GetAttribute(aName, aValue);
|
|
}
|
|
|
|
void
|
|
AnonymousContent::RemoveAttributeForElement(const nsAString& aElementId,
|
|
const nsAString& aName,
|
|
ErrorResult& aRv)
|
|
{
|
|
Element* element = GetElementById(aElementId);
|
|
if (!element) {
|
|
aRv.Throw(NS_ERROR_NOT_AVAILABLE);
|
|
return;
|
|
}
|
|
|
|
element->RemoveAttribute(aName, aRv);
|
|
}
|
|
|
|
Element*
|
|
AnonymousContent::GetElementById(const nsAString& aElementId)
|
|
{
|
|
// This can be made faster in the future if needed.
|
|
nsCOMPtr<nsIAtom> elementId = do_GetAtom(aElementId);
|
|
for (nsIContent* kid = mContentNode->GetFirstChild(); kid;
|
|
kid = kid->GetNextNode(mContentNode)) {
|
|
if (!kid->IsElement()) {
|
|
continue;
|
|
}
|
|
nsIAtom* id = kid->AsElement()->GetID();
|
|
if (id && id == elementId) {
|
|
return kid->AsElement();
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
JSObject*
|
|
AnonymousContent::WrapObject(JSContext* aCx)
|
|
{
|
|
return AnonymousContentBinding::Wrap(aCx, this);
|
|
}
|
|
|
|
} // dom namespace
|
|
} // mozilla namespace
|