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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.
144 lines
4.3 KiB
C++
144 lines
4.3 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_HTMLOptionElement_h__
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#define mozilla_dom_HTMLOptionElement_h__
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIDOMHTMLOptionElement.h"
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#include "mozilla/dom/HTMLFormElement.h"
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namespace mozilla {
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namespace dom {
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class HTMLSelectElement;
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class HTMLOptionElement final : public nsGenericHTMLElement,
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public nsIDOMHTMLOptionElement
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{
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public:
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explicit HTMLOptionElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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static already_AddRefed<HTMLOptionElement>
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Option(const GlobalObject& aGlobal,
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const Optional<nsAString>& aText,
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const Optional<nsAString>& aValue,
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const Optional<bool>& aDefaultSelected,
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const Optional<bool>& aSelected, ErrorResult& aError);
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NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLOptionElement, option)
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMHTMLOptionElement
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using mozilla::dom::Element::SetText;
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using mozilla::dom::Element::GetText;
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NS_DECL_NSIDOMHTMLOPTIONELEMENT
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bool Selected() const;
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bool DefaultSelected() const;
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virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
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int32_t aModType) const 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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void SetSelectedInternal(bool aValue, bool aNotify);
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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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// nsIContent
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virtual EventStates IntrinsicState() const override;
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virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
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nsresult CopyInnerTo(mozilla::dom::Element* aDest);
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virtual bool IsDisabled() const override {
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return HasAttr(kNameSpaceID_None, nsGkAtoms::disabled);
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}
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bool Disabled() const
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{
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return GetBoolAttr(nsGkAtoms::disabled);
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}
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void SetDisabled(bool aValue, ErrorResult& aRv)
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{
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SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
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}
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HTMLFormElement* GetForm();
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// The XPCOM GetLabel is OK for us
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void SetLabel(const nsAString& aLabel, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::label, aLabel, aError);
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}
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// The XPCOM DefaultSelected is OK for us
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void SetDefaultSelected(bool aValue, ErrorResult& aRv)
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{
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SetHTMLBoolAttr(nsGkAtoms::selected, aValue, aRv);
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}
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// The XPCOM Selected is OK for us
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void SetSelected(bool aValue, ErrorResult& aRv)
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{
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aRv = SetSelected(aValue);
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}
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// The XPCOM GetValue is OK for us
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void SetValue(const nsAString& aValue, ErrorResult& aRv)
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{
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SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
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}
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// The XPCOM GetText is OK for us
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void SetText(const nsAString& aValue, ErrorResult& aRv)
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{
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aRv = SetText(aValue);
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}
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int32_t Index();
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protected:
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virtual ~HTMLOptionElement();
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virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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/**
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* Get the select content element that contains this option, this
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* intentionally does not return nsresult, all we care about is if
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* there's a select associated with this option or not.
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*/
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HTMLSelectElement* GetSelect();
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bool mSelectedChanged;
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bool mIsSelected;
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// True only while we're under the SetOptionsSelectedByIndex call when our
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// "selected" attribute is changing and mSelectedChanged is false.
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bool mIsInSetDefaultSelected;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLOptionElement_h__
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