/* -*- Mode: C++; tab-width: 2; 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/HTMLSummaryElement.h" #include "mozilla/dom/HTMLDetailsElement.h" #include "mozilla/dom/HTMLElementBinding.h" #include "mozilla/dom/HTMLUnknownElement.h" #include "mozilla/EventDispatcher.h" #include "mozilla/MouseEvents.h" #include "mozilla/Preferences.h" #include "mozilla/TextEvents.h" #include "nsFocusManager.h" // Expand NS_IMPL_NS_NEW_HTML_ELEMENT(Summary) to add pref check. nsGenericHTMLElement* NS_NewHTMLSummaryElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo, mozilla::dom::FromParser aFromParser) { if (!mozilla::dom::HTMLDetailsElement::IsDetailsEnabled()) { return new mozilla::dom::HTMLUnknownElement(aNodeInfo); } return new mozilla::dom::HTMLSummaryElement(aNodeInfo); } namespace mozilla { namespace dom { HTMLSummaryElement::~HTMLSummaryElement() { } NS_IMPL_ELEMENT_CLONE(HTMLSummaryElement) nsresult HTMLSummaryElement::PostHandleEvent(EventChainPostVisitor& aVisitor) { nsresult rv = NS_OK; if (!aVisitor.mPresContext) { return rv; } if (aVisitor.mEventStatus == nsEventStatus_eConsumeNoDefault) { return rv; } if (!IsMainSummary()) { return rv; } WidgetEvent* const event = aVisitor.mEvent; if (event->HasMouseEventMessage()) { WidgetMouseEvent* mouseEvent = event->AsMouseEvent(); if (mouseEvent->IsLeftClickEvent()) { RefPtr<HTMLDetailsElement> details = GetDetails(); MOZ_ASSERT(details, "Expected to find details since this is the main summary!"); // When dispatching a synthesized mouse click event to a details element // with 'display: none', both Chrome and Safari do not toggle the 'open' // attribute. We had tried to be compatible with this behavior, but found // more inconsistency in test cases in bug 1245424. So we stop doing that. details->ToggleOpen(); aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault; return NS_OK; } } // event->HasMouseEventMessage() if (event->HasKeyEventMessage()) { WidgetKeyboardEvent* keyboardEvent = event->AsKeyboardEvent(); bool dispatchClick = false; switch (event->mMessage) { case eKeyPress: if (keyboardEvent->mCharCode == ' ') { // Consume 'space' key to prevent scrolling the page down. aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault; } dispatchClick = keyboardEvent->mKeyCode == NS_VK_RETURN; break; case eKeyUp: dispatchClick = keyboardEvent->mKeyCode == NS_VK_SPACE; break; default: break; } if (dispatchClick) { rv = DispatchSimulatedClick(this, event->mFlags.mIsTrusted, aVisitor.mPresContext); if (NS_SUCCEEDED(rv)) { aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault; } } } // event->HasKeyEventMessage() return rv; } bool HTMLSummaryElement::IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable, int32_t* aTabIndex) { bool disallowOverridingFocusability = nsGenericHTMLElement::IsHTMLFocusable(aWithMouse, aIsFocusable, aTabIndex); if (disallowOverridingFocusability || !IsMainSummary()) { return disallowOverridingFocusability; } #ifdef XP_MACOSX // The parent does not have strong opinion about the focusability of this main // summary element, but we'd like to override it when mouse clicking on Mac OS // like other form elements. *aIsFocusable = !aWithMouse || nsFocusManager::sMouseFocusesFormControl; #else // The main summary element is focusable on other platforms. *aIsFocusable = true; #endif // Give a chance to allow the subclass to override aIsFocusable. return false; } int32_t HTMLSummaryElement::TabIndexDefault() { // Make the main summary be able to navigate via tab, and be focusable. // See nsGenericHTMLElement::IsHTMLFocusable(). return IsMainSummary() ? 0 : nsGenericHTMLElement::TabIndexDefault(); } bool HTMLSummaryElement::IsMainSummary() const { HTMLDetailsElement* details = GetDetails(); if (!details) { return false; } return details->GetFirstSummary() == this || IsRootOfNativeAnonymousSubtree(); } HTMLDetailsElement* HTMLSummaryElement::GetDetails() const { return HTMLDetailsElement::FromContentOrNull(GetParent()); } JSObject* HTMLSummaryElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) { return HTMLElementBinding::Wrap(aCx, this, aGivenProto); } } // namespace dom } // namespace mozilla