tor-browser

HTMLObjectElement.h (7517B)

---

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_HTMLObjectElement_h
#define mozilla_dom_HTMLObjectElement_h

#include "mozilla/dom/ConstraintValidation.h"
#include "nsGenericHTMLElement.h"
#include "nsObjectLoadingContent.h"

namespace mozilla::dom {

class FormData;
template <typename T>
struct Nullable;
class WindowProxyHolder;

class HTMLObjectElement final : public nsGenericHTMLFormControlElement,
                               public nsObjectLoadingContent,
                               public ConstraintValidation {
public:
 explicit HTMLObjectElement(
     already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
     FromParser aFromParser = NOT_FROM_PARSER);

 // nsISupports
 NS_DECL_ISUPPORTS_INHERITED

 NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLObjectElement, object)
 int32_t TabIndexDefault() override;

 // nsObjectLoadingContent
 const Element* AsElement() const final { return this; }

 // Element
 bool IsInteractiveHTMLContent() const override;

 nsresult BindToTree(BindContext&, nsINode& aParent) override;
 void UnbindFromTree(UnbindContext&) override;

 bool IsHTMLFocusable(IsFocusableFlags, bool* aIsFocusable,
                      int32_t* aTabIndex) override;

 // Overriden nsIFormControl methods
 NS_IMETHOD Reset() override { return NS_OK; }

 NS_IMETHOD SubmitNamesValues(FormData* aFormData) override { return NS_OK; }

 void DoneAddingChildren(bool aHaveNotified) override;

 bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
                     const nsAString& aValue,
                     nsIPrincipal* aMaybeScriptedPrincipal,
                     nsAttrValue& aResult) override;
 nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
 NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
 void DestroyContent() override;

 // nsObjectLoadingContent
 uint32_t GetCapabilities() const override;
 nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;

 nsresult CopyInnerTo(Element* aDest);

 void StartObjectLoad() { StartObjectLoad(true, false); }

 NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLObjectElement,
                                          nsGenericHTMLFormControlElement)

 // Web IDL binding methods
 void GetData(DOMString& aValue) {
   GetURIAttr(nsGkAtoms::data, nsGkAtoms::codebase, aValue);
 }
 void SetData(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::data, aValue, aRv);
 }
 void GetType(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
 void SetType(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
 }
 void GetName(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
 void SetName(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
 }
 void GetUseMap(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::usemap, aValue); }
 void SetUseMap(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::usemap, aValue, aRv);
 }
 void GetWidth(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::width, aValue); }
 void SetWidth(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
 }
 void GetHeight(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::height, aValue); }
 void SetHeight(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
 }
 using nsObjectLoadingContent::GetContentDocument;

 Nullable<WindowProxyHolder> GetContentWindow(nsIPrincipal& aSubjectPrincipal);

 using ConstraintValidation::GetValidationMessage;
 using ConstraintValidation::SetCustomValidity;
 void GetAlign(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::align, aValue); }
 void SetAlign(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
 }
 void GetArchive(DOMString& aValue) {
   GetHTMLAttr(nsGkAtoms::archive, aValue);
 }
 void SetArchive(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::archive, aValue, aRv);
 }
 void GetCode(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::code, aValue); }
 void SetCode(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::code, aValue, aRv);
 }
 bool Declare() { return GetBoolAttr(nsGkAtoms::declare); }
 void SetDeclare(bool aValue, ErrorResult& aRv) {
   SetHTMLBoolAttr(nsGkAtoms::declare, aValue, aRv);
 }
 uint32_t Hspace() {
   return GetDimensionAttrAsUnsignedInt(nsGkAtoms::hspace, 0);
 }
 void SetHspace(uint32_t aValue, ErrorResult& aRv) {
   SetUnsignedIntAttr(nsGkAtoms::hspace, aValue, 0, aRv);
 }
 void GetStandby(DOMString& aValue) {
   GetHTMLAttr(nsGkAtoms::standby, aValue);
 }
 void SetStandby(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::standby, aValue, aRv);
 }
 uint32_t Vspace() {
   return GetDimensionAttrAsUnsignedInt(nsGkAtoms::vspace, 0);
 }
 void SetVspace(uint32_t aValue, ErrorResult& aRv) {
   SetUnsignedIntAttr(nsGkAtoms::vspace, aValue, 0, aRv);
 }
 void GetCodeBase(DOMString& aValue) {
   GetURIAttr(nsGkAtoms::codebase, nullptr, aValue);
 }
 void SetCodeBase(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::codebase, aValue, aRv);
 }
 void GetCodeType(DOMString& aValue) {
   GetHTMLAttr(nsGkAtoms::codetype, aValue);
 }
 void SetCodeType(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::codetype, aValue, aRv);
 }
 void GetBorder(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::border, aValue); }
 void SetBorder(const nsAString& aValue, ErrorResult& aRv) {
   SetHTMLAttr(nsGkAtoms::border, aValue, aRv);
 }

 Document* GetSVGDocument(nsIPrincipal& aSubjectPrincipal) {
   return GetContentDocument(aSubjectPrincipal);
 }

 /**
  * Calls LoadObject with the correct arguments to start the plugin load.
  */
 void StartObjectLoad(bool aNotify, bool aForceLoad);

protected:
 void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
                   const nsAttrValue* aValue, const nsAttrValue* aOldValue,
                   nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
 void OnAttrSetButNotChanged(int32_t aNamespaceID, nsAtom* aName,
                             const nsAttrValueOrString& aValue,
                             bool aNotify) override;

private:
 nsContentPolicyType GetContentPolicyType() const override {
   return nsIContentPolicy::TYPE_INTERNAL_OBJECT;
 }

 virtual ~HTMLObjectElement();

 JSObject* WrapNode(JSContext* aCx,
                    JS::Handle<JSObject*> aGivenProto) override;

 static void MapAttributesIntoRule(MappedDeclarationsBuilder&);

 /**
  * This function is called by AfterSetAttr and OnAttrSetButNotChanged.
  * This function will be called by AfterSetAttr whether the attribute is being
  * set or unset.
  *
  * @param aNamespaceID the namespace of the attr being set
  * @param aName the localname of the attribute being set
  * @param aNotify Whether we plan to notify document observers.
  */
 void AfterMaybeChangeAttr(int32_t aNamespaceID, nsAtom* aName, bool aNotify);

 bool mIsDoneAddingChildren;
};

}  // namespace mozilla::dom

#endif  // mozilla_dom_HTMLObjectElement_h