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Moonchild
824d0cad58
In order to tailor certain security checks to the caller that is attempting to load a particular piece of content, we need to be able to attach an appropriate triggering principal to the corresponding requests. Since most HTML content is loaded based on attribute values, this means capturing the subject principal of the caller who sets those attributes, which in turn means we need to make it available to `AfterSetAttr` hooks on all relevant element types.
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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_HTMLSlotElement_h
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#define mozilla_dom_HTMLSlotElement_h
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#include "nsIDOMHTMLElement.h"
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#include "nsGenericHTMLElement.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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struct AssignedNodesOptions;
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class HTMLSlotElement final : public nsGenericHTMLElement
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{
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public:
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explicit HTMLSlotElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLSlotElement, slot)
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLSlotElement, nsGenericHTMLElement)
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virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
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// nsIContent
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) override;
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virtual nsresult BeforeSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAttrValueOrString* aValue,
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bool aNotify) override;
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virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* 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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// WebIDL
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void SetName(const nsAString& aName, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::name, aName, aRv);
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}
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void GetName(nsAString& aName)
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{
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GetHTMLAttr(nsGkAtoms::name, aName);
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}
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void AssignedNodes(const AssignedNodesOptions& aOptions,
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nsTArray<RefPtr<nsINode>>& aNodes);
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// Helper methods
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const nsTArray<RefPtr<nsINode>>& AssignedNodes() const;
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void InsertAssignedNode(uint32_t aIndex, nsINode* aNode);
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void AppendAssignedNode(nsINode* aNode);
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void RemoveAssignedNode(nsINode* aNode);
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void ClearAssignedNodes();
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void EnqueueSlotChangeEvent() const;
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void FireSlotChangeEvent();
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protected:
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virtual ~HTMLSlotElement();
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virtual JSObject*
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WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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nsTArray<RefPtr<nsINode>> mAssignedNodes;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLSlotElement_h
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