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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "core/html/HTMLPictureElement.h"
#include "core/HTMLNames.h"
#include "core/dom/ElementTraversal.h"
#include "core/frame/UseCounter.h"
#include "core/html/HTMLImageElement.h"
#include "core/html/HTMLSourceElement.h"
#include "core/loader/ImageLoader.h"
namespace blink {
using namespace HTMLNames;
inline HTMLPictureElement::HTMLPictureElement(Document& document)
: HTMLElement(pictureTag, document) {}
DEFINE_NODE_FACTORY(HTMLPictureElement)
void HTMLPictureElement::sourceOrMediaChanged() {
for (HTMLImageElement* imageElement =
Traversal<HTMLImageElement>::firstChild(*this);
imageElement;
imageElement = Traversal<HTMLImageElement>::nextSibling(*imageElement)) {
imageElement->selectSourceURL(ImageLoader::UpdateNormal);
}
}
void HTMLPictureElement::removeListenerFromSourceChildren() {
for (HTMLSourceElement* sourceElement =
Traversal<HTMLSourceElement>::firstChild(*this);
sourceElement; sourceElement = Traversal<HTMLSourceElement>::nextSibling(
*sourceElement)) {
sourceElement->removeMediaQueryListListener();
}
}
void HTMLPictureElement::addListenerToSourceChildren() {
for (HTMLSourceElement* sourceElement =
Traversal<HTMLSourceElement>::firstChild(*this);
sourceElement; sourceElement = Traversal<HTMLSourceElement>::nextSibling(
*sourceElement)) {
sourceElement->addMediaQueryListListener();
}
}
Node::InsertionNotificationRequest HTMLPictureElement::insertedInto(
ContainerNode* insertionPoint) {
UseCounter::count(document(), UseCounter::Picture);
return HTMLElement::insertedInto(insertionPoint);
}
} // namespace blink
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