| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * Copyright (C) 2004-2007, 2009, 2014 Apple 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. |
| * |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_ELEMENT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_ELEMENT_H_ |
| |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/dom/element.h" |
| #include "third_party/blink/renderer/core/dom/events/simulated_click_options.h" |
| #include "third_party/blink/renderer/core/html/forms/labels_node_list.h" |
| #include "third_party/blink/renderer/platform/text/text_direction.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| struct AttributeTriggers; |
| class Color; |
| class DocumentFragment; |
| class ElementInternals; |
| class ExceptionState; |
| class FormAssociated; |
| class HTMLFormElement; |
| class KeyboardEvent; |
| class StringOrTrustedScript; |
| class StringTreatNullAsEmptyStringOrTrustedScript; |
| |
| enum TranslateAttributeMode { |
| kTranslateAttributeYes, |
| kTranslateAttributeNo, |
| kTranslateAttributeInherit |
| }; |
| |
| class CORE_EXPORT HTMLElement : public Element { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| |
| HTMLElement(const QualifiedName& tag_name, Document&, ConstructionType); |
| |
| bool HasTagName(const HTMLQualifiedName& name) const { |
| return HasLocalName(name.LocalName()); |
| } |
| |
| String title() const final; |
| |
| void setInnerText(const String&, ExceptionState&); |
| virtual void setInnerText(const StringOrTrustedScript&, ExceptionState&); |
| virtual void setInnerText(const StringTreatNullAsEmptyStringOrTrustedScript&, |
| ExceptionState&); |
| String innerText(); |
| void innerText(StringOrTrustedScript& result); |
| void innerText(StringTreatNullAsEmptyStringOrTrustedScript& result); |
| void setOuterText(const String&, ExceptionState&); |
| |
| virtual bool HasCustomFocusLogic() const; |
| |
| String contentEditable() const; |
| void setContentEditable(const String&, ExceptionState&); |
| // For HTMLElement.prototype.isContentEditable. This matches to neither |
| // blink::isContentEditable() nor blink::isContentRichlyEditable(). Do not |
| // use this function in Blink. |
| bool isContentEditableForBinding() const; |
| |
| virtual const AtomicString& autocapitalize() const; |
| void setAutocapitalize(const AtomicString&); |
| |
| virtual bool draggable() const; |
| void setDraggable(bool); |
| |
| bool spellcheck() const; |
| void setSpellcheck(bool); |
| |
| bool translate() const; |
| void setTranslate(bool); |
| |
| const AtomicString& dir(); |
| void setDir(const AtomicString&); |
| |
| void click(); |
| |
| void AccessKeyAction(SimulatedClickCreationScope creation_scope) override; |
| |
| bool ShouldSerializeEndTag() const; |
| |
| virtual HTMLFormElement* formOwner() const; |
| |
| HTMLFormElement* FindFormAncestor() const; |
| |
| bool HasDirectionAuto() const; |
| |
| virtual bool IsHTMLBodyElement() const { return false; } |
| virtual bool IsHTMLFrameSetElement() const { return false; } |
| virtual bool IsHTMLPortalElement() const { return false; } |
| virtual bool IsHTMLUnknownElement() const { return false; } |
| virtual bool IsPluginElement() const { return false; } |
| |
| // https://html.spec.whatwg.org/C/#category-label |
| virtual bool IsLabelable() const; |
| // |labels| IDL attribute implementation for IsLabelable()==true elements. |
| LabelsNodeList* labels(); |
| |
| // https://html.spec.whatwg.org/C/#interactive-content |
| virtual bool IsInteractiveContent() const; |
| void DefaultEventHandler(Event&) override; |
| |
| // Used to handle return/space key events and simulate clicks. Returns true |
| // if the event is handled. |
| bool HandleKeyboardActivation(Event& event); |
| |
| static const AtomicString& EventNameForAttributeName( |
| const QualifiedName& attr_name); |
| |
| bool SupportsFocus() const override; |
| bool IsDisabledFormControl() const override; |
| bool MatchesEnabledPseudoClass() const override; |
| bool MatchesReadOnlyPseudoClass() const override; |
| bool MatchesReadWritePseudoClass() const override; |
| bool MatchesValidityPseudoClasses() const override; |
| bool willValidate() const override; |
| bool IsValidElement() override; |
| |
| static const AtomicString& EventParameterName(); |
| |
| virtual String AltText() const { return String(); } |
| |
| int offsetLeftForBinding(); |
| int offsetTopForBinding(); |
| int offsetWidthForBinding(); |
| int offsetHeightForBinding(); |
| |
| Element* unclosedOffsetParent(); |
| |
| ElementInternals* attachInternals(ExceptionState& exception_state); |
| virtual FormAssociated* ToFormAssociatedOrNull() { return nullptr; } |
| bool IsFormAssociatedCustomElement() const; |
| |
| void AddCandidateDirectionalityForSlot(); |
| static void AdjustCandidateDirectionalityForSlot( |
| HeapHashSet<Member<HTMLElement>> candidate_set); |
| void UpdateDescendantHasDirAutoAttribute(bool has_dir_auto); |
| void UpdateDirectionalityAndDescendant(TextDirection direction); |
| void UpdateDescendantDirectionality(TextDirection direction); |
| void BeginParsingChildren() override; |
| |
| protected: |
| enum AllowPercentage { kDontAllowPercentageValues, kAllowPercentageValues }; |
| enum AllowZero { kDontAllowZeroValues, kAllowZeroValues }; |
| void AddHTMLLengthToStyle(MutableCSSPropertyValueSet*, |
| CSSPropertyID, |
| const String& value, |
| AllowPercentage = kAllowPercentageValues, |
| AllowZero = kAllowZeroValues); |
| void AddHTMLColorToStyle(MutableCSSPropertyValueSet*, |
| CSSPropertyID, |
| const String& color); |
| |
| void ApplyAspectRatioToStyle(const AtomicString& width, |
| const AtomicString& height, |
| MutableCSSPropertyValueSet*); |
| void ApplyAlignmentAttributeToStyle(const AtomicString&, |
| MutableCSSPropertyValueSet*); |
| void ApplyBorderAttributeToStyle(const AtomicString&, |
| MutableCSSPropertyValueSet*); |
| |
| void AttributeChanged(const AttributeModificationParams&) override; |
| void ParseAttribute(const AttributeModificationParams&) override; |
| static bool ParseColorWithLegacyRules(const String& attribute_value, |
| Color& parsed_color); |
| bool IsPresentationAttribute(const QualifiedName&) const override; |
| void CollectStyleForPresentationAttribute( |
| const QualifiedName&, |
| const AtomicString&, |
| MutableCSSPropertyValueSet*) override; |
| unsigned ParseBorderWidthAttribute(const AtomicString&) const; |
| |
| void ChildrenChanged(const ChildrenChange&) override; |
| bool CalculateAndAdjustAutoDirectionality(Node* stay_within); |
| |
| InsertionNotificationRequest InsertedInto(ContainerNode&) override; |
| void RemovedFrom(ContainerNode& insertion_point) override; |
| void DidMoveToNewDocument(Document& old_document) override; |
| void FinishParsingChildren() override; |
| |
| private: |
| String DebugNodeName() const final; |
| String nodeName() const final; |
| |
| bool IsHTMLElement() const = |
| delete; // This will catch anyone doing an unnecessary check. |
| bool IsStyledElement() const = |
| delete; // This will catch anyone doing an unnecessary check. |
| |
| void MapLanguageAttributeToLocale(const AtomicString&, |
| MutableCSSPropertyValueSet*); |
| |
| DocumentFragment* TextToFragment(const String&, ExceptionState&); |
| |
| void AdjustDirectionalityIfNeededAfterChildAttributeChanged(Element* child); |
| void AdjustDirectionalityIfNeededAfterChildrenChanged( |
| const ChildrenChange& change); |
| TextDirection ResolveAutoDirectionality(bool& is_deferred, |
| Node* stay_within) const; |
| |
| TranslateAttributeMode GetTranslateAttributeMode() const; |
| |
| void HandleKeypressEvent(KeyboardEvent&); |
| |
| static AttributeTriggers* TriggersForAttributeName( |
| const QualifiedName& attr_name); |
| |
| void OnDirAttrChanged(const AttributeModificationParams&); |
| void OnFormAttrChanged(const AttributeModificationParams&); |
| void OnInertAttrChanged(const AttributeModificationParams&); |
| void OnLangAttrChanged(const AttributeModificationParams&); |
| void OnNonceAttrChanged(const AttributeModificationParams&); |
| void OnTabIndexAttrChanged(const AttributeModificationParams&); |
| void OnXMLLangAttrChanged(const AttributeModificationParams&); |
| }; |
| |
| template <typename T> |
| bool IsElementOfType(const HTMLElement&); |
| template <> |
| inline bool IsElementOfType<const HTMLElement>(const HTMLElement&) { |
| return true; |
| } |
| template <> |
| inline bool IsElementOfType<const HTMLElement>(const Node& node) { |
| return IsA<HTMLElement>(node); |
| } |
| template <> |
| struct DowncastTraits<HTMLElement> { |
| static bool AllowFrom(const Node& node) { return node.IsHTMLElement(); } |
| }; |
| |
| inline HTMLElement::HTMLElement(const QualifiedName& tag_name, |
| Document& document, |
| ConstructionType type = kCreateHTMLElement) |
| : Element(tag_name, &document, type) { |
| DCHECK(!tag_name.LocalName().IsNull()); |
| } |
| |
| inline bool Node::HasTagName(const HTMLQualifiedName& name) const { |
| auto* html_element = DynamicTo<HTMLElement>(this); |
| return html_element && html_element->HasTagName(name); |
| } |
| |
| // Functor used to match HTMLElements with a specific HTML tag when using the |
| // ElementTraversal API. |
| class HasHTMLTagName { |
| STACK_ALLOCATED(); |
| |
| public: |
| explicit HasHTMLTagName(const HTMLQualifiedName& tag_name) |
| : tag_name_(tag_name) {} |
| bool operator()(const HTMLElement& element) const { |
| return element.HasTagName(tag_name_); |
| } |
| |
| private: |
| const HTMLQualifiedName& tag_name_; |
| }; |
| |
| } // namespace blink |
| |
| #include "third_party/blink/renderer/core/html_element_type_helpers.h" |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_ELEMENT_H_ |