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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 "DecodingOptions.h"
#include "FormNamedItem.h"
#include "GraphicsLayer.h"
#include "GraphicsTypes.h"
#include "HTMLElement.h"
#include "MediaQueryEvaluator.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class CachedImage;
class DeferredPromise;
class EditableImageReference;
class HTMLAttachmentElement;
class HTMLFormElement;
class HTMLImageLoader;
class HTMLMapElement;
struct ImageCandidate;
enum class RelevantMutation : bool;
class HTMLImageElement : public HTMLElement, public FormNamedItem {
WTF_MAKE_ISO_ALLOCATED(HTMLImageElement);
friend class HTMLFormElement;
public:
static Ref<HTMLImageElement> create(Document&);
static Ref<HTMLImageElement> create(const QualifiedName&, Document&, HTMLFormElement* = nullptr);
static Ref<HTMLImageElement> createForJSConstructor(Document&, Optional<unsigned> width, 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 AtomString& currentSrc() const { return m_currentSrc; }
bool supportsFocus() const override;
bool isFocusable() const override;
bool isServerMap() const;
const AtomString& altText() const;
CompositeOperator compositeOperator() const { return m_compositeOperator; }
WEBCORE_EXPORT CachedImage* cachedImage() const;
void setLoadManually(bool);
bool matchesUsemap(const AtomStringImpl&) const;
HTMLMapElement* associatedMapElement() const;
WEBCORE_EXPORT const AtomString& alt() const;
WEBCORE_EXPORT void setHeight(unsigned);
URL src() const;
void setSrc(const String&);
WEBCORE_EXPORT void setCrossOrigin(const AtomString&);
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;
DecodingMode decodingMode() const;
WEBCORE_EXPORT void decode(Ref<DeferredPromise>&&);
#if PLATFORM(IOS_FAMILY)
bool willRespondToMouseClickEvents() override;
#endif
#if ENABLE(ATTACHMENT_ELEMENT)
void setAttachmentElement(Ref<HTMLAttachmentElement>&&);
RefPtr<HTMLAttachmentElement> attachmentElement() const;
const String& attachmentIdentifier() const;
#endif
bool hasPendingActivity() const;
WEBCORE_EXPORT size_t pendingDecodePromisesCountForTesting() const;
bool canContainRangeEndPoint() const override { return false; }
const AtomString& imageSourceURL() const override;
bool hasShadowControls() const { return m_experimentalImageMenuEnabled; }
HTMLPictureElement* pictureElement() const;
void setPictureElement(HTMLPictureElement*);
#if USE(SYSTEM_PREVIEW)
WEBCORE_EXPORT bool isSystemPreviewImage() const;
#endif
WEBCORE_EXPORT GraphicsLayer::EmbeddedViewID editableImageViewID() const;
WEBCORE_EXPORT bool hasEditableImageAttribute() const;
void defaultEventHandler(Event&) final;
void loadDeferredImage();
const AtomString& loadingForBindings() const;
void setLoadingForBindings(const AtomString&);
bool isLazyLoadable() const;
static bool hasLazyLoadableAttributeValue(const AtomString&);
bool isDeferred() const;
bool isDroppedImagePlaceholder() const { return m_isDroppedImagePlaceholder; }
void setIsDroppedImagePlaceholder() { m_isDroppedImagePlaceholder = true; }
void evaluateDynamicMediaQueryDependencies();
void setReferrerPolicyForBindings(const AtomString&);
String referrerPolicyForBindings() const;
ReferrerPolicy referrerPolicy() const;
protected:
HTMLImageElement(const QualifiedName&, Document&, HTMLFormElement* = nullptr);
void didMoveToNewDocument(Document& oldDocument, Document& newDocument) override;
private:
void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) final;
void parseAttribute(const QualifiedName&, const AtomString&) override;
bool isPresentationAttribute(const QualifiedName&) const override;
void collectStyleForPresentationAttribute(const QualifiedName&, const AtomString&, 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;
InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
void didFinishInsertingNode() override;
void removedFromAncestor(RemovalType, 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; }
bool isInteractiveContent() const final;
void selectImageSource(RelevantMutation);
ImageCandidate bestFitSourceFromPictureElement();
void updateEditableImage();
void copyNonAttributePropertiesFromElement(const Element&) final;
float effectiveImageDevicePixelRatio() const;
#if ENABLE(SERVICE_CONTROLS)
void updateImageControls();
void tryCreateImageControls();
void destroyImageControls();
bool hasImageControls() const;
bool childShouldCreateRenderer(const Node&) const override;
#endif
std::unique_ptr<HTMLImageLoader> m_imageLoader;
WeakPtr<HTMLFormElement> m_form;
WeakPtr<HTMLFormElement> m_formSetByParser;
CompositeOperator m_compositeOperator;
AtomString m_bestFitImageURL;
AtomString m_currentSrc;
AtomString 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.
bool m_isDroppedImagePlaceholder { false };
RefPtr<EditableImageReference> m_editableImage;
WeakPtr<HTMLPictureElement> m_pictureElement;
MediaQueryDynamicResults m_mediaQueryDynamicResults;
#if ENABLE(ATTACHMENT_ELEMENT)
String m_pendingClonedAttachmentID;
#endif
friend class HTMLPictureElement;
};
} //namespace