| /* |
| * Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies) |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "third_party/blink/renderer/core/html/html_summary_element.h" |
| |
| #include "third_party/blink/renderer/core/css/style_change_reason.h" |
| #include "third_party/blink/renderer/core/dom/flat_tree_traversal.h" |
| #include "third_party/blink/renderer/core/dom/shadow_root.h" |
| #include "third_party/blink/renderer/core/events/keyboard_event.h" |
| #include "third_party/blink/renderer/core/html/html_details_element.h" |
| #include "third_party/blink/renderer/core/html/html_slot_element.h" |
| #include "third_party/blink/renderer/core/html/shadow/details_marker_control.h" |
| #include "third_party/blink/renderer/core/html/shadow/shadow_element_names.h" |
| #include "third_party/blink/renderer/core/html_names.h" |
| #include "third_party/blink/renderer/core/layout/layout_block_flow.h" |
| #include "third_party/blink/renderer/core/layout/layout_object_factory.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/heap/heap.h" |
| |
| namespace blink { |
| |
| using namespace html_names; |
| |
| HTMLSummaryElement::HTMLSummaryElement(Document& document) |
| : HTMLElement(kSummaryTag, document) { |
| SetHasCustomStyleCallbacks(); |
| EnsureUserAgentShadowRoot(); |
| } |
| |
| LayoutObject* HTMLSummaryElement::CreateLayoutObject(const ComputedStyle& style, |
| LegacyLayout legacy) { |
| // See: crbug.com/603928 - We manually check for other dislay types, then |
| // fallback to a regular LayoutBlockFlow as "display: inline;" should behave |
| // as an "inline-block". |
| EDisplay display = style.Display(); |
| if (display == EDisplay::kFlex || display == EDisplay::kInlineFlex || |
| display == EDisplay::kGrid || display == EDisplay::kInlineGrid || |
| display == EDisplay::kLayoutCustom || |
| display == EDisplay::kInlineLayoutCustom) |
| return LayoutObject::CreateObject(this, style, legacy); |
| return LayoutObjectFactory::CreateBlockFlow(*this, style, legacy); |
| } |
| |
| void HTMLSummaryElement::DidAddUserAgentShadowRoot(ShadowRoot& root) { |
| auto* marker_control = |
| MakeGarbageCollected<DetailsMarkerControl>(GetDocument()); |
| marker_control->SetIdAttribute(shadow_element_names::DetailsMarker()); |
| root.AppendChild(marker_control); |
| root.AppendChild(HTMLSlotElement::CreateUserAgentDefaultSlot(GetDocument())); |
| } |
| |
| HTMLDetailsElement* HTMLSummaryElement::DetailsElement() const { |
| if (auto* details = ToHTMLDetailsElementOrNull(parentNode())) |
| return details; |
| if (auto* details = ToHTMLDetailsElementOrNull(OwnerShadowHost())) |
| return details; |
| return nullptr; |
| } |
| |
| Element* HTMLSummaryElement::MarkerControl() { |
| return EnsureUserAgentShadowRoot().getElementById( |
| shadow_element_names::DetailsMarker()); |
| } |
| |
| bool HTMLSummaryElement::IsMainSummary() const { |
| if (HTMLDetailsElement* details = DetailsElement()) |
| return details->FindMainSummary() == this; |
| |
| return false; |
| } |
| |
| static bool IsClickableControl(Node* node) { |
| auto* element = DynamicTo<Element>(node); |
| if (!element) |
| return false; |
| if (element->IsFormControlElement()) |
| return true; |
| Element* host = element->OwnerShadowHost(); |
| return host && host->IsFormControlElement(); |
| } |
| |
| bool HTMLSummaryElement::SupportsFocus() const { |
| return IsMainSummary() || HTMLElement::SupportsFocus(); |
| } |
| |
| void HTMLSummaryElement::DefaultEventHandler(Event& event) { |
| if (IsMainSummary()) { |
| if (event.type() == event_type_names::kDOMActivate && |
| !IsClickableControl(event.target()->ToNode())) { |
| if (HTMLDetailsElement* details = DetailsElement()) |
| details->ToggleOpen(); |
| event.SetDefaultHandled(); |
| return; |
| } |
| |
| if (event.IsKeyboardEvent()) { |
| if (event.type() == event_type_names::kKeydown && |
| ToKeyboardEvent(event).key() == " ") { |
| SetActive(true); |
| // No setDefaultHandled() - IE dispatches a keypress in this case. |
| return; |
| } |
| if (event.type() == event_type_names::kKeypress) { |
| switch (ToKeyboardEvent(event).charCode()) { |
| case '\r': |
| DispatchSimulatedClick(&event); |
| event.SetDefaultHandled(); |
| return; |
| case ' ': |
| // Prevent scrolling down the page. |
| event.SetDefaultHandled(); |
| return; |
| } |
| } |
| if (event.type() == event_type_names::kKeyup && |
| ToKeyboardEvent(event).key() == " ") { |
| if (IsActive()) |
| DispatchSimulatedClick(&event); |
| event.SetDefaultHandled(); |
| return; |
| } |
| } |
| } |
| |
| HTMLElement::DefaultEventHandler(event); |
| } |
| |
| bool HTMLSummaryElement::HasActivationBehavior() const { |
| return true; |
| } |
| |
| bool HTMLSummaryElement::WillRespondToMouseClickEvents() { |
| return IsMainSummary() || HTMLElement::WillRespondToMouseClickEvents(); |
| } |
| |
| void HTMLSummaryElement::WillRecalcStyle(const StyleRecalcChange) { |
| if (GetForceReattachLayoutTree() && IsMainSummary()) { |
| if (Element* marker = MarkerControl()) { |
| marker->SetNeedsStyleRecalc( |
| kLocalStyleChange, |
| StyleChangeReasonForTracing::Create(style_change_reason::kControl)); |
| } |
| } |
| } |
| |
| } // namespace blink |