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-rw-r--r--dom/html/HTMLDetailsElement.cpp162
1 files changed, 162 insertions, 0 deletions
diff --git a/dom/html/HTMLDetailsElement.cpp b/dom/html/HTMLDetailsElement.cpp
new file mode 100644
index 0000000000..c8e9c11c4f
--- /dev/null
+++ b/dom/html/HTMLDetailsElement.cpp
@@ -0,0 +1,162 @@
+/* -*- 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/HTMLDetailsElement.h"
+
+#include "mozilla/dom/HTMLDetailsElementBinding.h"
+#include "mozilla/dom/HTMLSummaryElement.h"
+#include "mozilla/dom/ShadowRoot.h"
+#include "mozilla/ScopeExit.h"
+#include "nsContentUtils.h"
+#include "nsTextNode.h"
+
+NS_IMPL_NS_NEW_HTML_ELEMENT(Details)
+
+namespace mozilla::dom {
+
+HTMLDetailsElement::~HTMLDetailsElement() = default;
+
+NS_IMPL_ELEMENT_CLONE(HTMLDetailsElement)
+
+HTMLDetailsElement::HTMLDetailsElement(already_AddRefed<NodeInfo>&& aNodeInfo)
+ : nsGenericHTMLElement(std::move(aNodeInfo)) {
+ SetupShadowTree();
+}
+
+HTMLSummaryElement* HTMLDetailsElement::GetFirstSummary() const {
+ // XXX: Bug 1245032: Might want to cache the first summary element.
+ for (nsIContent* child = nsINode::GetFirstChild(); child;
+ child = child->GetNextSibling()) {
+ if (auto* summary = HTMLSummaryElement::FromNode(child)) {
+ return summary;
+ }
+ }
+ return nullptr;
+}
+
+void HTMLDetailsElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+ const nsAttrValue* aValue,
+ const nsAttrValue* aOldValue,
+ nsIPrincipal* aMaybeScriptedPrincipal,
+ bool aNotify) {
+ if (aNameSpaceID == kNameSpaceID_None && aName == nsGkAtoms::open) {
+ bool wasOpen = !!aOldValue;
+ bool isOpen = !!aValue;
+ if (wasOpen != isOpen) {
+ auto stringForState = [](bool aOpen) {
+ return aOpen ? u"open"_ns : u"closed"_ns;
+ };
+ nsAutoString oldState;
+ if (mToggleEventDispatcher) {
+ oldState.Truncate();
+ static_cast<ToggleEvent*>(mToggleEventDispatcher->mEvent.get())
+ ->GetOldState(oldState);
+ mToggleEventDispatcher->Cancel();
+ } else {
+ oldState.Assign(stringForState(wasOpen));
+ }
+ RefPtr<ToggleEvent> toggleEvent = CreateToggleEvent(
+ u"toggle"_ns, oldState, stringForState(isOpen), Cancelable::eNo);
+ mToggleEventDispatcher =
+ new AsyncEventDispatcher(this, toggleEvent.forget());
+ mToggleEventDispatcher->PostDOMEvent();
+ }
+ }
+
+ return nsGenericHTMLElement::AfterSetAttr(
+ aNameSpaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
+}
+
+void HTMLDetailsElement::SetupShadowTree() {
+ const bool kNotify = false;
+ AttachAndSetUAShadowRoot(NotifyUAWidgetSetup::No);
+ RefPtr<ShadowRoot> sr = GetShadowRoot();
+ if (NS_WARN_IF(!sr)) {
+ return;
+ }
+
+ nsNodeInfoManager* nim = OwnerDoc()->NodeInfoManager();
+ RefPtr<NodeInfo> slotNodeInfo = nim->GetNodeInfo(
+ nsGkAtoms::slot, nullptr, kNameSpaceID_XHTML, nsINode::ELEMENT_NODE);
+ {
+ RefPtr<NodeInfo> linkNodeInfo = nim->GetNodeInfo(
+ nsGkAtoms::link, nullptr, kNameSpaceID_XHTML, nsINode::ELEMENT_NODE);
+ RefPtr<nsGenericHTMLElement> link =
+ NS_NewHTMLLinkElement(linkNodeInfo.forget());
+ if (NS_WARN_IF(!link)) {
+ return;
+ }
+ link->SetAttr(nsGkAtoms::rel, u"stylesheet"_ns, IgnoreErrors());
+ link->SetAttr(nsGkAtoms::href,
+ u"resource://content-accessible/details.css"_ns,
+ IgnoreErrors());
+ sr->AppendChildTo(link, kNotify, IgnoreErrors());
+ }
+ {
+ RefPtr<nsGenericHTMLElement> slot =
+ NS_NewHTMLSlotElement(do_AddRef(slotNodeInfo));
+ if (NS_WARN_IF(!slot)) {
+ return;
+ }
+ slot->SetAttr(kNameSpaceID_None, nsGkAtoms::name,
+ u"internal-main-summary"_ns, kNotify);
+ sr->AppendChildTo(slot, kNotify, IgnoreErrors());
+
+ RefPtr<NodeInfo> summaryNodeInfo = nim->GetNodeInfo(
+ nsGkAtoms::summary, nullptr, kNameSpaceID_XHTML, nsINode::ELEMENT_NODE);
+ RefPtr<nsGenericHTMLElement> summary =
+ NS_NewHTMLSummaryElement(summaryNodeInfo.forget());
+ if (NS_WARN_IF(!summary)) {
+ return;
+ }
+
+ nsAutoString defaultSummaryText;
+ nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
+ "DefaultSummary", defaultSummaryText);
+ RefPtr<nsTextNode> description = new (nim) nsTextNode(nim);
+ description->SetText(defaultSummaryText, kNotify);
+ summary->AppendChildTo(description, kNotify, IgnoreErrors());
+
+ slot->AppendChildTo(summary, kNotify, IgnoreErrors());
+ }
+ {
+ RefPtr<nsGenericHTMLElement> slot =
+ NS_NewHTMLSlotElement(slotNodeInfo.forget());
+ if (NS_WARN_IF(!slot)) {
+ return;
+ }
+ sr->AppendChildTo(slot, kNotify, IgnoreErrors());
+ }
+}
+
+void HTMLDetailsElement::AsyncEventRunning(AsyncEventDispatcher* aEvent) {
+ if (mToggleEventDispatcher == aEvent) {
+ mToggleEventDispatcher = nullptr;
+ }
+}
+
+JSObject* HTMLDetailsElement::WrapNode(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return HTMLDetailsElement_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void HTMLDetailsElement::HandleInvokeInternal(nsAtom* aAction,
+ ErrorResult& aRv) {
+ if (nsContentUtils::EqualsIgnoreASCIICase(aAction, nsGkAtoms::_auto) ||
+ nsContentUtils::EqualsIgnoreASCIICase(aAction, nsGkAtoms::toggle)) {
+ ToggleOpen();
+ } else if (nsContentUtils::EqualsIgnoreASCIICase(aAction, nsGkAtoms::close)) {
+ if (Open()) {
+ SetOpen(false, IgnoreErrors());
+ }
+ } else if (nsContentUtils::EqualsIgnoreASCIICase(aAction, nsGkAtoms::open)) {
+ if (!Open()) {
+ SetOpen(true, IgnoreErrors());
+ }
+ }
+}
+
+} // namespace mozilla::dom