зеркало из https://github.com/mozilla/gecko-dev.git
96 строки
3.0 KiB
C++
96 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "mozilla/dom/HTMLPictureElement.h"
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#include "mozilla/dom/HTMLPictureElementBinding.h"
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#include "mozilla/dom/HTMLImageElement.h"
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// Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Picture) to add pref check.
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nsGenericHTMLElement*
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NS_NewHTMLPictureElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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mozilla::dom::FromParser aFromParser)
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{
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return new mozilla::dom::HTMLPictureElement(std::move(aNodeInfo));
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}
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namespace mozilla {
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namespace dom {
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HTMLPictureElement::HTMLPictureElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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: nsGenericHTMLElement(std::move(aNodeInfo))
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{
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}
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HTMLPictureElement::~HTMLPictureElement()
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{
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}
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NS_IMPL_ELEMENT_CLONE(HTMLPictureElement)
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void
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HTMLPictureElement::RemoveChildNode(nsIContent* aKid, bool aNotify)
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{
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if (aKid && aKid->IsHTMLElement(nsGkAtoms::img)) {
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HTMLImageElement* img = HTMLImageElement::FromNode(aKid);
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if (img) {
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img->PictureSourceRemoved(aKid->AsContent());
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}
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} else if (aKid && aKid->IsHTMLElement(nsGkAtoms::source)) {
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// Find all img siblings after this <source> to notify them of its demise
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nsCOMPtr<nsIContent> nextSibling = aKid->GetNextSibling();
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if (nextSibling && nextSibling->GetParentNode() == this) {
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do {
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HTMLImageElement* img = HTMLImageElement::FromNode(nextSibling);
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if (img) {
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img->PictureSourceRemoved(aKid->AsContent());
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}
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} while ( (nextSibling = nextSibling->GetNextSibling()) );
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}
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}
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nsGenericHTMLElement::RemoveChildNode(aKid, aNotify);
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}
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nsresult
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HTMLPictureElement::InsertChildBefore(nsIContent* aKid, nsIContent* aBeforeThis,
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bool aNotify)
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{
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nsresult rv =
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nsGenericHTMLElement::InsertChildBefore(aKid, aBeforeThis, aNotify);
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NS_ENSURE_SUCCESS(rv, rv);
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NS_ENSURE_TRUE(aKid, rv);
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if (aKid->IsHTMLElement(nsGkAtoms::img)) {
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HTMLImageElement* img = HTMLImageElement::FromNode(aKid);
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if (img) {
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img->PictureSourceAdded(aKid->AsContent());
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}
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} else if (aKid->IsHTMLElement(nsGkAtoms::source)) {
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// Find all img siblings after this <source> to notify them of its insertion
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nsCOMPtr<nsIContent> nextSibling = aKid->GetNextSibling();
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if (nextSibling && nextSibling->GetParentNode() == this) {
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do {
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HTMLImageElement* img = HTMLImageElement::FromNode(nextSibling);
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if (img) {
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img->PictureSourceAdded(aKid->AsContent());
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}
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} while ( (nextSibling = nextSibling->GetNextSibling()) );
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}
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}
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return rv;
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}
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JSObject*
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HTMLPictureElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLPictureElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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