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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 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.
*
*/
#pragma once
#include "FormNamedItem.h"
#include "GraphicsTypes.h"
#include "HTMLElement.h"
#include "HTMLImageLoader.h"
namespace WebCore {
class HTMLFormElement;
struct ImageCandidate;
class HTMLImageElement : public HTMLElement, public FormNamedItem {
friend class HTMLFormElement;
public:
static Ref<HTMLImageElement> create(Document&);
static Ref<HTMLImageElement> create(const QualifiedName&, Document&, HTMLFormElement*);
static Ref<HTMLImageElement> createForJSConstructor(Document&, std::optional<unsigned> width, std::optional<unsigned> height);
virtual ~HTMLImageElement();
WEBCORE_EXPORT unsigned width(bool ignorePendingStylesheets = false);
WEBCORE_EXPORT unsigned height(bool ignorePendingStylesheets = false);
WEBCORE_EXPORT int naturalWidth() const;
WEBCORE_EXPORT int naturalHeight() const;
const AtomicString& currentSrc() const { return m_currentSrc; }
bool isServerMap() const;
const AtomicString& altText() const;
CompositeOperator compositeOperator() const { return m_compositeOperator; }
CachedImage* cachedImage() const { return m_imageLoader.image(); }
void setLoadManually(bool loadManually) { m_imageLoader.setLoadManually(loadManually); }
bool matchesUsemap(const AtomicStringImpl&) const;
WEBCORE_EXPORT const AtomicString& alt() const;
WEBCORE_EXPORT void setHeight(unsigned);
URL src() const;
void setSrc(const String&);
WEBCORE_EXPORT void setCrossOrigin(const AtomicString&);
WEBCORE_EXPORT String crossOrigin() const;
WEBCORE_EXPORT void setWidth(unsigned);
WEBCORE_EXPORT int x() const;
WEBCORE_EXPORT int y() const;
WEBCORE_EXPORT bool complete() const;
#if PLATFORM(IOS)
bool willRespondToMouseClickEvents() override;
#endif
bool hasPendingActivity() const { return m_imageLoader.hasPendingActivity(); }
bool canContainRangeEndPoint() const override { return false; }
const AtomicString& imageSourceURL() const override;
bool hasShadowControls() const { return m_experimentalImageMenuEnabled; }
HTMLPictureElement* pictureElement() const;
void setPictureElement(HTMLPictureElement*);
protected:
HTMLImageElement(const QualifiedName&, Document&, HTMLFormElement* = 0);
void didMoveToNewDocument(Document& oldDocument) override;
private:
void parseAttribute(const QualifiedName&, const AtomicString&) override;
bool isPresentationAttribute(const QualifiedName&) const override;
void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStyleProperties&) override;
void didAttachRenderers() override;
RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
void setBestFitURLAndDPRFromImageCandidate(const ImageCandidate&);
bool canStartSelection() const override;
bool isURLAttribute(const Attribute&) const override;
bool attributeContainsURL(const Attribute&) const override;
String completeURLsInAttributeValue(const URL& base, const Attribute&) const override;
bool draggable() const override;
void addSubresourceAttributeURLs(ListHashSet<URL>&) const override;
InsertionNotificationRequest insertedInto(ContainerNode&) override;
void removedFrom(ContainerNode&) override;
bool isFormAssociatedElement() const final { return false; }
FormNamedItem* asFormNamedItem() final { return this; }
HTMLImageElement& asHTMLElement() final { return *this; }
const HTMLImageElement& asHTMLElement() const final { return *this; }
void selectImageSource();
ImageCandidate bestFitSourceFromPictureElement();
HTMLImageLoader m_imageLoader;
HTMLFormElement* m_form;
HTMLFormElement* m_formSetByParser;
CompositeOperator m_compositeOperator;
AtomicString m_bestFitImageURL;
AtomicString m_currentSrc;
AtomicString m_parsedUsemap;
float m_imageDevicePixelRatio;
bool m_experimentalImageMenuEnabled;
bool m_hadNameBeforeAttributeChanged { false }; // FIXME: We only need this because parseAttribute() can't see the old value.
#if ENABLE(SERVICE_CONTROLS)
void updateImageControls();
void tryCreateImageControls();
void destroyImageControls();
bool hasImageControls() const;
bool childShouldCreateRenderer(const Node&) const override;
#endif
friend class HTMLPictureElement;
};
} //namespace
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