forked from mirrors/gecko-dev
7e0c99b7ee
Backed out changeset a2536c6c6c23 (bug 1851970) Backed out changeset 23ddc229d1a1 (bug 1851970) Backed out changeset b99a620a535c (bug 1851970)
118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "mozilla/dom/HTMLSummaryElement.h"
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#include "mozilla/dom/HTMLDetailsElement.h"
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#include "mozilla/dom/HTMLElementBinding.h"
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#include "mozilla/dom/HTMLUnknownElement.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/TextEvents.h"
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#include "nsFocusManager.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(Summary)
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namespace mozilla::dom {
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HTMLSummaryElement::~HTMLSummaryElement() = default;
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NS_IMPL_ELEMENT_CLONE(HTMLSummaryElement)
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nsresult HTMLSummaryElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
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nsresult rv = NS_OK;
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if (!aVisitor.mPresContext) {
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return rv;
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}
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if (aVisitor.mEventStatus == nsEventStatus_eConsumeNoDefault) {
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return rv;
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}
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if (!IsMainSummary()) {
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return rv;
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}
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WidgetEvent* const event = aVisitor.mEvent;
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nsCOMPtr<Element> target =
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do_QueryInterface(event->GetOriginalDOMEventTarget());
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if (nsContentUtils::IsInInteractiveHTMLContent(target, this)) {
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return NS_OK;
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}
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if (event->HasMouseEventMessage()) {
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WidgetMouseEvent* mouseEvent = event->AsMouseEvent();
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if (mouseEvent->IsLeftClickEvent()) {
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RefPtr<HTMLDetailsElement> details = GetDetails();
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MOZ_ASSERT(details,
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"Expected to find details since this is the main summary!");
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// When dispatching a synthesized mouse click event to a details element
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// with 'display: none', both Chrome and Safari do not toggle the 'open'
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// attribute. We had tried to be compatible with this behavior, but found
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// more inconsistency in test cases in bug 1245424. So we stop doing that.
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details->ToggleOpen();
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aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
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return NS_OK;
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}
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} // event->HasMouseEventMessage()
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if (event->HasKeyEventMessage() && event->IsTrusted()) {
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HandleKeyboardActivation(aVisitor);
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}
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return rv;
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}
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bool HTMLSummaryElement::IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
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int32_t* aTabIndex) {
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bool disallowOverridingFocusability = nsGenericHTMLElement::IsHTMLFocusable(
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aWithMouse, aIsFocusable, aTabIndex);
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if (disallowOverridingFocusability || !IsMainSummary()) {
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return disallowOverridingFocusability;
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}
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// The main summary element is focusable.
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*aIsFocusable = true;
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// Give a chance to allow the subclass to override aIsFocusable.
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return false;
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}
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int32_t HTMLSummaryElement::TabIndexDefault() {
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// Make the main summary be able to navigate via tab, and be focusable.
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// See nsGenericHTMLElement::IsHTMLFocusable().
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return IsMainSummary() ? 0 : nsGenericHTMLElement::TabIndexDefault();
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}
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bool HTMLSummaryElement::IsMainSummary() const {
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HTMLDetailsElement* details = GetDetails();
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if (!details) {
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return false;
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}
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return details->GetFirstSummary() == this ||
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GetContainingShadow() == details->GetShadowRoot();
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}
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HTMLDetailsElement* HTMLSummaryElement::GetDetails() const {
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if (auto* details = HTMLDetailsElement::FromNodeOrNull(GetParent())) {
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return details;
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}
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if (!HasBeenInUAWidget()) {
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return nullptr;
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}
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return HTMLDetailsElement::FromNodeOrNull(GetContainingShadowHost());
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}
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JSObject* HTMLSummaryElement::WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return HTMLElement_Binding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace mozilla::dom
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