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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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
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