gecko-dev/dom/html/HTMLElement.cpp

78 строки
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "nsGenericHTMLElement.h"
#include "mozilla/dom/HTMLElementBinding.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
class HTMLElement final : public nsGenericHTMLElement
{
public:
explicit HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
virtual ~HTMLElement();
NS_IMETHOD GetInnerHTML(nsAString& aInnerHTML) override;
virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo,
nsINode** aResult) const override;
protected:
virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
};
HTMLElement::HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
: nsGenericHTMLElement(aNodeInfo)
{
}
HTMLElement::~HTMLElement()
{
}
NS_IMPL_ELEMENT_CLONE(HTMLElement)
NS_IMETHODIMP
HTMLElement::GetInnerHTML(nsAString& aInnerHTML)
{
/**
* nsGenericHTMLElement::GetInnerHTML escapes < and > characters (at least).
* .innerHTML should return the HTML code for xmp and plaintext element.
*
* This code is a workaround until we implement a HTML5 Serializer
* with this behavior.
*/
if (mNodeInfo->Equals(nsGkAtoms::xmp) ||
mNodeInfo->Equals(nsGkAtoms::plaintext)) {
if (!nsContentUtils::GetNodeTextContent(this, false, aInnerHTML, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
return nsGenericHTMLElement::GetInnerHTML(aInnerHTML);
}
JSObject*
HTMLElement::WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto)
{
return dom::HTMLElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla
// Here, we expand 'NS_IMPL_NS_NEW_HTML_ELEMENT()' by hand.
// (Calling the macro directly (with no args) produces compiler warnings.)
nsGenericHTMLElement*
NS_NewHTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
mozilla::dom::FromParser aFromParser)
{
return new mozilla::dom::HTMLElement(aNodeInfo);
}