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-rw-r--r--dom/html/HTMLOutputElement.cpp226
1 files changed, 226 insertions, 0 deletions
diff --git a/dom/html/HTMLOutputElement.cpp b/dom/html/HTMLOutputElement.cpp
new file mode 100644
index 000000000..17608c94f
--- /dev/null
+++ b/dom/html/HTMLOutputElement.cpp
@@ -0,0 +1,226 @@
+/* -*- 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