/* -*- 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/. */ #include "mozilla/dom/HTMLOutputElement.h" #include "mozAutoDocUpdate.h" #include "mozilla/EventStates.h" #include "mozilla/dom/HTMLFormElement.h" #include "mozilla/dom/HTMLFormSubmission.h" #include "mozilla/dom/HTMLOutputElementBinding.h" #include "nsContentUtils.h" #include "nsDOMTokenList.h" NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Output) namespace mozilla { namespace dom { HTMLOutputElement::HTMLOutputElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo, FromParser aFromParser) : nsGenericHTMLFormElement(aNodeInfo) , mValueModeFlag(eModeDefault) , mIsDoneAddingChildren(!aFromParser) { AddMutationObserver(this); // We start out valid and ui-valid (since we have no form). AddStatesSilently(NS_EVENT_STATE_VALID | NS_EVENT_STATE_MOZ_UI_VALID); } HTMLOutputElement::~HTMLOutputElement() { } NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLOutputElement) NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLOutputElement, nsGenericHTMLFormElement) NS_IMPL_CYCLE_COLLECTION_UNLINK(mValidity) NS_IMPL_CYCLE_COLLECTION_UNLINK(mTokenList) NS_IMPL_CYCLE_COLLECTION_UNLINK_END NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLOutputElement, nsGenericHTMLFormElement) NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mValidity) NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTokenList) NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END NS_IMPL_ADDREF_INHERITED(HTMLOutputElement, Element) NS_IMPL_RELEASE_INHERITED(HTMLOutputElement, Element) NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLOutputElement) NS_INTERFACE_TABLE_INHERITED(HTMLOutputElement, nsIMutationObserver, nsIConstraintValidation) NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLFormElement) NS_IMPL_ELEMENT_CLONE(HTMLOutputElement) void HTMLOutputElement::SetCustomValidity(const nsAString& aError) { nsIConstraintValidation::SetCustomValidity(aError); UpdateState(true); } NS_IMETHODIMP HTMLOutputElement::Reset() { mValueModeFlag = eModeDefault; return nsContentUtils::SetNodeTextContent(this, mDefaultValue, true); } NS_IMETHODIMP HTMLOutputElement::SubmitNamesValues(HTMLFormSubmission* aFormSubmission) { // The output element is not submittable. return NS_OK; } bool HTMLOutputElement::ParseAttribute(int32_t aNamespaceID, nsIAtom* aAttribute, const nsAString& aValue, nsAttrValue& aResult) { if (aNamespaceID == kNameSpaceID_None) { if (aAttribute == nsGkAtoms::_for) { aResult.ParseAtomArray(aValue); return true; } } return nsGenericHTMLFormElement::ParseAttribute(aNamespaceID, aAttribute, aValue, aResult); } void HTMLOutputElement::DoneAddingChildren(bool aHaveNotified) { mIsDoneAddingChildren = true; } EventStates HTMLOutputElement::IntrinsicState() const { EventStates states = nsGenericHTMLFormElement::IntrinsicState(); // We don't have to call IsCandidateForConstraintValidation() // because <output> can't be barred from constraint validation. if (IsValid()) { states |= NS_EVENT_STATE_VALID; if (!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) { states |= NS_EVENT_STATE_MOZ_UI_VALID; } } else { states |= NS_EVENT_STATE_INVALID; if (!mForm || !mForm->HasAttr(kNameSpaceID_None, nsGkAtoms::novalidate)) { states |= NS_EVENT_STATE_MOZ_UI_INVALID; } } return states; } nsresult HTMLOutputElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent, nsIContent* aBindingParent, bool aCompileEventHandlers) { nsresult rv = nsGenericHTMLFormElement::BindToTree(aDocument, aParent, aBindingParent, aCompileEventHandlers); NS_ENSURE_SUCCESS(rv, rv); // Unfortunately, we can actually end up having to change our state // as a result of being bound to a tree even from the parser: we // might end up a in a novalidate form, and unlike other form // controls that on its own is enough to make change ui-valid state. // So just go ahead and update our state now. UpdateState(false); return rv; } void HTMLOutputElement::GetValue(nsAString& aValue) { nsContentUtils::GetNodeTextContent(this, true, aValue); } void HTMLOutputElement::SetValue(const nsAString& aValue, ErrorResult& aRv) { mValueModeFlag = eModeValue; aRv = nsContentUtils::SetNodeTextContent(this, aValue, true); } void HTMLOutputElement::SetDefaultValue(const nsAString& aDefaultValue, ErrorResult& aRv) { mDefaultValue = aDefaultValue; if (mValueModeFlag == eModeDefault) { aRv = nsContentUtils::SetNodeTextContent(this, mDefaultValue, true); } } nsDOMTokenList* HTMLOutputElement::HtmlFor() { if (!mTokenList) { mTokenList = new nsDOMTokenList(this, nsGkAtoms::_for); } return mTokenList; } void HTMLOutputElement::DescendantsChanged() { if (mIsDoneAddingChildren && mValueModeFlag == eModeDefault) { nsContentUtils::GetNodeTextContent(this, true, mDefaultValue); } } // nsIMutationObserver void HTMLOutputElement::CharacterDataChanged(nsIDocument* aDocument, nsIContent* aContent, CharacterDataChangeInfo* aInfo) { DescendantsChanged(); } void HTMLOutputElement::ContentAppended(nsIDocument* aDocument, nsIContent* aContainer, nsIContent* aFirstNewContent, int32_t aNewIndexInContainer) { DescendantsChanged(); } void HTMLOutputElement::ContentInserted(nsIDocument* aDocument, nsIContent* aContainer, nsIContent* aChild, int32_t aIndexInContainer) { DescendantsChanged(); } void HTMLOutputElement::ContentRemoved(nsIDocument* aDocument, nsIContent* aContainer, nsIContent* aChild, int32_t aIndexInContainer, nsIContent* aPreviousSibling) { DescendantsChanged(); } JSObject* HTMLOutputElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { return HTMLOutputElementBinding::Wrap(aCx, this, aGivenProto); } } // namespace dom } // namespace mozilla