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846d8789ee
Various places in dom/ use the pattern: already_AddRefed<NodeInfo> ni = ...; which is supposed to be disallowed by our static analysis code, but isn't, for whatever reason. To fix our static analysis code, we need to eliminate instances of the above pattern. Unfortunately, eliminating this pattern requires restructuring how Nodes are created. Most Node subclasses take `already_AddRefed<NodeInfo>&` in their constructors, and a few accept `already_AddRefed<NodeInfo>&&`. We need to enforce the latter pattern consistently, which requires changing dozens of source files.
171 lines
5.6 KiB
C++
171 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_HTMLEmbedElement_h
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#define mozilla_dom_HTMLEmbedElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsObjectLoadingContent.h"
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#include "nsGkAtoms.h"
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#include "nsError.h"
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namespace mozilla {
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namespace dom {
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class HTMLEmbedElement final : public nsGenericHTMLElement
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, public nsObjectLoadingContent
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{
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public:
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explicit HTMLEmbedElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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mozilla::dom::FromParser aFromParser = mozilla::dom::NOT_FROM_PARSER);
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLEmbedElement, embed)
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virtual int32_t TabIndexDefault() override;
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#ifdef XP_MACOSX
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// EventTarget
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NS_IMETHOD PostHandleEvent(EventChainPostVisitor& aVisitor) override;
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#endif
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// EventTarget
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virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
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virtual nsresult BindToTree(nsIDocument *aDocument, nsIContent *aParent,
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nsIContent *aBindingParent) override;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) override;
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virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) override;
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virtual IMEState GetDesiredIMEState() override;
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virtual bool ParseAttribute(int32_t aNamespaceID,
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nsAtom *aAttribute,
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const nsAString &aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue &aResult) override;
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virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const override;
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NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom *aAttribute) const override;
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virtual EventStates IntrinsicState() const override;
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virtual void DestroyContent() override;
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// nsObjectLoadingContent
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virtual uint32_t GetCapabilities() const override;
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virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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nsresult CopyInnerTo(HTMLEmbedElement* aDest);
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void StartObjectLoad() { StartObjectLoad(true, false); }
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(HTMLEmbedElement,
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nsGenericHTMLElement)
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// WebIDL <embed> api
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void GetAlign(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::align, aValue);
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}
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void SetAlign(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::align, aValue, aRv);
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}
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void GetHeight(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::height, aValue);
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}
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void SetHeight(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::height, aValue, aRv);
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}
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void GetName(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::name, aValue);
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}
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void SetName(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
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}
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void GetWidth(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::width, aValue);
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}
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void SetWidth(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::width, aValue, aRv);
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}
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// WebIDL <embed> api
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void GetSrc(DOMString& aValue)
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{
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GetURIAttr(nsGkAtoms::src, nullptr, aValue);
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}
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void SetSrc(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::src, aValue, aRv);
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}
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void GetType(DOMString& aValue)
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{
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GetHTMLAttr(nsGkAtoms::type, aValue);
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}
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void SetType(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::type, aValue, aRv);
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}
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nsIDocument*
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GetSVGDocument(nsIPrincipal& aSubjectPrincipal)
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{
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return GetContentDocument(aSubjectPrincipal);
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}
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/**
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* Calls LoadObject with the correct arguments to start the plugin load.
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*/
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void StartObjectLoad(bool aNotify, bool aForceLoad);
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NS_FORWARD_NSIFRAMELOADEROWNER(nsObjectLoadingContent::)
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protected:
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// Override for nsImageLoadingContent.
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nsIContent* AsContent() override { return this; }
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal,
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bool aNotify) override;
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virtual nsresult OnAttrSetButNotChanged(int32_t aNamespaceID, nsAtom* aName,
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const nsAttrValueOrString& aValue,
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bool aNotify) override;
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private:
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~HTMLEmbedElement();
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nsContentPolicyType GetContentPolicyType() const override;
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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MappedDeclarations&);
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/**
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* This function is called by AfterSetAttr and OnAttrSetButNotChanged.
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* It will not be called if the value is being unset.
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*
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* @param aNamespaceID the namespace of the attr being set
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* @param aName the localname of the attribute being set
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* @param aNotify Whether we plan to notify document observers.
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*/
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nsresult AfterMaybeChangeAttr(int32_t aNamespaceID, nsAtom* aName,
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bool aNotify);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLEmbedElement_h
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