219 lines
7.4 KiB
C++
219 lines
7.4 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* Copyright (C) 2004, 2008, 2010 Apple Inc. All rights reserved.
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* Copyright (C) 2010 Google Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "DecodingOptions.h"
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#include "FormNamedItem.h"
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#include "GraphicsLayer.h"
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#include "GraphicsTypes.h"
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#include "HTMLElement.h"
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#include "MediaQueryEvaluator.h"
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#include <wtf/WeakPtr.h>
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namespace WebCore {
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class CachedImage;
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class DeferredPromise;
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class HTMLAttachmentElement;
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class HTMLFormElement;
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class HTMLImageLoader;
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class HTMLMapElement;
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struct ImageCandidate;
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enum class RelevantMutation : bool;
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class HTMLImageElement : public HTMLElement, public FormNamedItem {
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WTF_MAKE_ISO_ALLOCATED(HTMLImageElement);
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friend class HTMLFormElement;
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public:
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static Ref<HTMLImageElement> create(Document&);
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static Ref<HTMLImageElement> create(const QualifiedName&, Document&, HTMLFormElement* = nullptr);
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static Ref<HTMLImageElement> createForLegacyFactoryFunction(Document&, std::optional<unsigned> width, std::optional<unsigned> height);
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virtual ~HTMLImageElement();
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WEBCORE_EXPORT unsigned width(bool ignorePendingStylesheets = false);
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WEBCORE_EXPORT unsigned height(bool ignorePendingStylesheets = false);
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WEBCORE_EXPORT int naturalWidth() const;
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WEBCORE_EXPORT int naturalHeight() const;
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const AtomString& currentSrc() const { return m_currentSrc; }
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bool isServerMap() const;
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const AtomString& altText() const;
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CompositeOperator compositeOperator() const { return m_compositeOperator; }
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WEBCORE_EXPORT CachedImage* cachedImage() const;
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void setLoadManually(bool);
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bool matchesUsemap(const AtomStringImpl&) const;
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HTMLMapElement* associatedMapElement() const;
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WEBCORE_EXPORT const AtomString& alt() const;
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WEBCORE_EXPORT void setHeight(unsigned);
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URL src() const;
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void setSrc(const String&);
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WEBCORE_EXPORT void setCrossOrigin(const AtomString&);
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WEBCORE_EXPORT String crossOrigin() const;
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WEBCORE_EXPORT void setWidth(unsigned);
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WEBCORE_EXPORT int x() const;
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WEBCORE_EXPORT int y() const;
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WEBCORE_EXPORT bool complete() const;
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void setDecoding(String&&);
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String decoding() const;
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DecodingMode decodingMode() const;
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WEBCORE_EXPORT void decode(Ref<DeferredPromise>&&);
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#if PLATFORM(IOS_FAMILY)
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bool willRespondToMouseClickEvents() override;
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#endif
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#if ENABLE(ATTACHMENT_ELEMENT)
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void setAttachmentElement(Ref<HTMLAttachmentElement>&&);
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RefPtr<HTMLAttachmentElement> attachmentElement() const;
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const String& attachmentIdentifier() const;
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#endif
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bool hasPendingActivity() const;
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WEBCORE_EXPORT size_t pendingDecodePromisesCountForTesting() const;
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bool canContainRangeEndPoint() const override { return false; }
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const AtomString& imageSourceURL() const override;
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HTMLPictureElement* pictureElement() const;
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void setPictureElement(HTMLPictureElement*);
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#if USE(SYSTEM_PREVIEW)
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WEBCORE_EXPORT bool isSystemPreviewImage() const;
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#endif
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void loadDeferredImage();
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const AtomString& loadingForBindings() const;
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void setLoadingForBindings(const AtomString&);
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bool isLazyLoadable() const;
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static bool hasLazyLoadableAttributeValue(const AtomString&);
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bool isDeferred() const;
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bool isDroppedImagePlaceholder() const { return m_isDroppedImagePlaceholder; }
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void setIsDroppedImagePlaceholder() { m_isDroppedImagePlaceholder = true; }
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void evaluateDynamicMediaQueryDependencies();
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void setReferrerPolicyForBindings(const AtomString&);
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String referrerPolicyForBindings() const;
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ReferrerPolicy referrerPolicy() const;
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bool allowsOrientationOverride() const;
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protected:
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HTMLImageElement(const QualifiedName&, Document&, HTMLFormElement* = nullptr);
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void didMoveToNewDocument(Document& oldDocument, Document& newDocument) override;
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private:
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void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) final;
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void parseAttribute(const QualifiedName&, const AtomString&) override;
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bool hasPresentationalHintsForAttribute(const QualifiedName&) const override;
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void collectPresentationalHintsForAttribute(const QualifiedName&, const AtomString&, MutableStyleProperties&) override;
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void collectExtraStyleForPresentationalHints(MutableStyleProperties&) override;
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void invalidateAttributeMapping();
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void didAttachRenderers() override;
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RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
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void setBestFitURLAndDPRFromImageCandidate(const ImageCandidate&);
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bool canStartSelection() const override;
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bool isURLAttribute(const Attribute&) const override;
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bool attributeContainsURL(const Attribute&) const override;
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String completeURLsInAttributeValue(const URL& base, const Attribute&) const override;
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bool isDraggableIgnoringAttributes() const final { return true; }
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void addSubresourceAttributeURLs(ListHashSet<URL>&) const override;
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InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
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void removedFromAncestor(RemovalType, ContainerNode&) override;
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bool isFormAssociatedElement() const final { return false; }
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FormNamedItem* asFormNamedItem() final { return this; }
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HTMLImageElement& asHTMLElement() final { return *this; }
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const HTMLImageElement& asHTMLElement() const final { return *this; }
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bool isInteractiveContent() const final;
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void selectImageSource(RelevantMutation);
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ImageCandidate bestFitSourceFromPictureElement();
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void copyNonAttributePropertiesFromElement(const Element&) final;
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float effectiveImageDevicePixelRatio() const;
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HTMLSourceElement* sourceElement() const;
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void setSourceElement(HTMLSourceElement*);
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std::unique_ptr<HTMLImageLoader> m_imageLoader;
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WeakPtr<HTMLFormElement> m_form;
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WeakPtr<HTMLFormElement> m_formSetByParser;
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CompositeOperator m_compositeOperator;
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AtomString m_bestFitImageURL;
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AtomString m_currentSrc;
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AtomString m_parsedUsemap;
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float m_imageDevicePixelRatio;
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bool m_hadNameBeforeAttributeChanged { false }; // FIXME: We only need this because parseAttribute() can't see the old value.
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bool m_isDroppedImagePlaceholder { false };
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WeakPtr<HTMLPictureElement> m_pictureElement;
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// The source element that was selected to provide the source URL.
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WeakPtr<HTMLSourceElement> m_sourceElement;
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MediaQueryDynamicResults m_mediaQueryDynamicResults;
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#if ENABLE(ATTACHMENT_ELEMENT)
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String m_pendingClonedAttachmentID;
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#endif
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friend class HTMLPictureElement;
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};
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} //namespace
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