Remove remaining HTML elements

sky/engine/core/html/HTMLImageElement.cpp

-/*
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
- *           (C) 1999 Antti Koivisto (koivisto@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "sky/engine/core/html/HTMLImageElement.h"
-
-#include "gen/sky/core/CSSPropertyNames.h"
-#include "gen/sky/core/HTMLNames.h"
-#include "gen/sky/core/MediaTypeNames.h"
-#include "gen/sky/platform/RuntimeEnabledFeatures.h"
-#include "sky/engine/core/css/MediaQueryListListener.h"
-#include "sky/engine/core/css/MediaQueryMatcher.h"
-#include "sky/engine/core/css/MediaValuesDynamic.h"
-#include "sky/engine/core/dom/Attribute.h"
-#include "sky/engine/core/dom/NodeTraversal.h"
-#include "sky/engine/core/fetch/ImageResource.h"
-#include "sky/engine/core/html/HTMLAnchorElement.h"
-#include "sky/engine/core/html/parser/HTMLParserIdioms.h"
-#include "sky/engine/core/html/parser/HTMLSrcsetParser.h"
-#include "sky/engine/core/inspector/ConsoleMessage.h"
-#include "sky/engine/core/rendering/RenderImage.h"
-#include "sky/engine/platform/MIMETypeRegistry.h"
-
-namespace blink {
-
-class HTMLImageElement::ViewportChangeListener final : public MediaQueryListListener {
-public:
-    static RefPtr<ViewportChangeListener> create(HTMLImageElement* element)
-    {
-        return adoptRef(new ViewportChangeListener(element));
-    }
-
-    virtual void notifyMediaQueryChanged() override
-    {
-        if (m_element)
-            m_element->notifyViewportChanged();
-    }
-
-    void clearElement() { m_element = nullptr; }
-
-private:
-    explicit ViewportChangeListener(HTMLImageElement* element) : m_element(element) { }
-    RawPtr<HTMLImageElement> m_element;
-};
-
-HTMLImageElement::HTMLImageElement(Document& document, bool createdByParser)
-    : HTMLElement(HTMLNames::imgTag, document)
-    , m_imageLoader(HTMLImageLoader::create(this))
-    , m_imageDevicePixelRatio(1.0f)
-    , m_elementCreatedByParser(createdByParser)
-    , m_intrinsicSizingViewportDependant(false)
-    , m_effectiveSizeViewportDependant(false)
-{
-}
-
-PassRefPtr<HTMLImageElement> HTMLImageElement::create(Document& document)
-{
-    return adoptRef(new HTMLImageElement(document));
-}
-
-PassRefPtr<HTMLImageElement> HTMLImageElement::create(Document& document, bool createdByParser)
-{
-    return adoptRef(new HTMLImageElement(document, createdByParser));
-}
-
-HTMLImageElement::~HTMLImageElement()
-{
-#if !ENABLE(OILPAN)
-    if (m_listener) {
-        document().mediaQueryMatcher().removeViewportListener(m_listener.get());
-        m_listener->clearElement();
-    }
-#endif
-}
-
-void HTMLImageElement::notifyViewportChanged()
-{
-    // Re-selecting the source URL in order to pick a more fitting resource
-    // And update the image's intrinsic dimensions when the viewport changes.
-    // Picking of a better fitting resource is UA dependant, not spec required.
-    selectSourceURL(ImageLoader::UpdateSizeChanged);
-}
-
-PassRefPtr<HTMLImageElement> HTMLImageElement::createForJSConstructor(Document& document, int width, int height)
-{
-    RefPtr<HTMLImageElement> image = adoptRef(new HTMLImageElement(document));
-    if (width)
-        image->setWidth(width);
-    if (height)
-        image->setHeight(height);
-    image->m_elementCreatedByParser = false;
-    return image.release();
-}
-
-const AtomicString HTMLImageElement::imageSourceURL() const
-{
-    return m_bestFitImageURL.isNull() ? getAttribute(HTMLNames::srcAttr) : m_bestFitImageURL;
-}
-
-void HTMLImageElement::setBestFitURLAndDPRFromImageCandidate(const ImageCandidate& candidate)
-{
-    m_bestFitImageURL = candidate.url();
-    float candidateDensity = candidate.density();
-    if (candidateDensity >= 0)
-        m_imageDevicePixelRatio = 1.0 / candidateDensity;
-    if (candidate.resourceWidth() > 0)
-        m_intrinsicSizingViewportDependant = true;
-    if (renderer() && renderer()->isImage())
-        toRenderImage(renderer())->setImageDevicePixelRatio(m_imageDevicePixelRatio);
-}
-
-void HTMLImageElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
-{
-    if (name == HTMLNames::srcAttr) {
-        selectSourceURL(ImageLoader::UpdateIgnorePreviousError);
-    } else {
-        HTMLElement::parseAttribute(name, value);
-    }
-}
-
-RenderObject* HTMLImageElement::createRenderer(RenderStyle* style)
-{
-    RenderImage* image = new RenderImage(this);
-    image->setImageResource(RenderImageResource::create());
-    image->setImageDevicePixelRatio(m_imageDevicePixelRatio);
-
-    RenderImageResource* imageResource = image->imageResource();
-    if (cachedImage() || imageResource->cachedImage())
-        imageResource->setImageResource(cachedImage());
-
-    return image;
-}
-
-bool HTMLImageElement::canStartSelection() const
-{
-    if (shadow())
-        return HTMLElement::canStartSelection();
-
-    return false;
-}
-
-void HTMLImageElement::insertedInto(ContainerNode* insertionPoint)
-{
-    HTMLElement::insertedInto(insertionPoint);
-
-    if (m_listener)
-        document().mediaQueryMatcher().addViewportListener(m_listener.get());
-
-    // If we have been inserted from a renderer-less document,
-    // our loader may have not fetched the image, so do it now.
-    if ((insertionPoint->inDocument() && !imageLoader().image()))
-        imageLoader().updateFromElement(ImageLoader::UpdateNormal, m_elementCreatedByParser ? ImageLoader::ForceLoadImmediately : ImageLoader::LoadNormally);
-}
-
-void HTMLImageElement::removedFrom(ContainerNode* insertionPoint)
-{
-    if (m_listener)
-        document().mediaQueryMatcher().removeViewportListener(m_listener.get());
-    HTMLElement::removedFrom(insertionPoint);
-}
-
-int HTMLImageElement::naturalWidth() const
-{
-    if (!imageLoader().image())
-        return 0;
-
-    return imageLoader().image()->imageSizeForRenderer(renderer(), ImageResource::IntrinsicSize).width();
-}
-
-int HTMLImageElement::naturalHeight() const
-{
-    if (!imageLoader().image())
-        return 0;
-
-    return imageLoader().image()->imageSizeForRenderer(renderer(), ImageResource::IntrinsicSize).height();
-}
-
-const String& HTMLImageElement::currentSrc() const
-{
-    // http://www.whatwg.org/specs/web-apps/current-work/multipage/edits.html#dom-img-currentsrc
-    // The currentSrc IDL attribute must return the img element's current request's current URL.
-    // Initially, the pending request turns into current request when it is either available or broken.
-    // We use the image's dimensions as a proxy to it being in any of these states.
-    if (!imageLoader().image() || !imageLoader().image()->image() || !imageLoader().image()->image()->width())
-        return emptyAtom;
-
-    return imageLoader().image()->url().string();
-}
-
-bool HTMLImageElement::isURLAttribute(const Attribute& attribute) const
-{
-    return attribute.name() == HTMLNames::srcAttr
-        || HTMLElement::isURLAttribute(attribute);
-}
-
-KURL HTMLImageElement::src() const
-{
-    return document().completeURL(getAttribute(HTMLNames::srcAttr));
-}
-
-void HTMLImageElement::setSrc(const String& value)
-{
-    setAttribute(HTMLNames::srcAttr, AtomicString(value));
-}
-
-bool HTMLImageElement::complete() const
-{
-    return imageLoader().imageComplete();
-}
-
-void HTMLImageElement::didMoveToNewDocument(Document& oldDocument)
-{
-    imageLoader().elementDidMoveToNewDocument();
-    HTMLElement::didMoveToNewDocument(oldDocument);
-}
-
-void HTMLImageElement::selectSourceURL(ImageLoader::UpdateFromElementBehavior behavior)
-{
-    unsigned effectiveSize = 0;
-    ImageCandidate candidate = bestFitSourceForImageAttributes(
-        document().devicePixelRatio(), effectiveSize,
-        getAttribute(HTMLNames::srcAttr), AtomicString());
-    setBestFitURLAndDPRFromImageCandidate(candidate);
-    if (m_intrinsicSizingViewportDependant && m_effectiveSizeViewportDependant && !m_listener.get()) {
-        m_listener = ViewportChangeListener::create(this);
-        document().mediaQueryMatcher().addViewportListener(m_listener.get());
-    }
-    imageLoader().updateFromElement(behavior);
-}
-
-}