agoloman
26bd847339
This reverts commite4e3c6dc79. Revert "Bug 2012698 - Part 2 - Introducing `<button>` slotting logic for `<select>` r=dom-core,jjaschke" This reverts commit7350d4683b.
2133 lines
66 KiB
C++
2133 lines
66 KiB
C++
/* 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/HTMLSelectElement.h"
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#include "ButtonControlFrame.h"
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#include "mozilla/BasicEvents.h"
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#include "mozilla/Casting.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/MappedDeclarationsBuilder.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/PresShell.h"
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#include "mozilla/PresState.h"
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#include "mozilla/StaticPrefs_ui.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/dom/ContentList.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/FormData.h"
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#include "mozilla/dom/HTMLOptGroupElement.h"
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#include "mozilla/dom/HTMLOptionElement.h"
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#include "mozilla/dom/HTMLSelectElementBinding.h"
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#include "mozilla/dom/MouseEventBinding.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "mozilla/dom/WindowGlobalChild.h"
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#include "nsComboboxControlFrame.h"
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#include "nsComputedDOMStyle.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsContentUtils.h"
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#include "nsError.h"
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#include "nsGkAtoms.h"
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#include "nsIFrame.h"
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#include "nsLayoutUtils.h"
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#include "nsListControlFrame.h"
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#ifdef ACCESSIBILITY
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# include "nsAccessibilityService.h"
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#endif
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NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Select)
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static bool IsOptionInteractivelySelectable(
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const mozilla::dom::HTMLSelectElement& aSelect,
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mozilla::dom::HTMLOptionElement& aOption) {
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if (aSelect.IsOptionDisabled(&aOption)) {
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return false;
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}
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if (!aSelect.IsCombobox()) {
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return aOption.GetPrimaryFrame();
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}
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for (mozilla::dom::Element* el = &aOption; el && el != &aSelect;
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el = el->GetParentElement()) {
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RefPtr style = nsComputedDOMStyle::GetComputedStyleNoFlush(el);
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if (!style) {
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return false;
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}
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auto display = style->StyleDisplay()->mDisplay;
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if (display == mozilla::StyleDisplay::None) {
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return false;
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}
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}
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return true;
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}
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static mozilla::StaticAutoPtr<nsString> sIncrementalString;
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static mozilla::TimeStamp gLastKeyTime;
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static uintptr_t sLastSelectKeyHandler = 0;
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static nsString& GetIncrementalString() {
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MOZ_ASSERT(sLastSelectKeyHandler != 0);
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if (!sIncrementalString) {
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sIncrementalString = new nsString();
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mozilla::ClearOnShutdown(&sIncrementalString);
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}
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return *sIncrementalString;
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}
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namespace mozilla::dom {
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//----------------------------------------------------------------------
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//
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// HTMLSelectElement
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//
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// construction, destruction
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HTMLSelectElement::HTMLSelectElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
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FromParser aFromParser)
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: nsGenericHTMLFormControlElementWithState(
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std::move(aNodeInfo), aFromParser, FormControlType::Select),
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mOptions(new HTMLOptionsCollection(this, !!aFromParser)),
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mAutocompleteAttrState(nsContentUtils::eAutocompleteAttrState_Unknown),
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mAutocompleteInfoState(nsContentUtils::eAutocompleteAttrState_Unknown),
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mIsDoneAddingChildren(!aFromParser),
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mInhibitStateRestoration(!!(aFromParser & FROM_PARSER_FRAGMENT)) {
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SetHasWeirdParserInsertionMode();
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// Set up our default state: enabled, optional, and valid.
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AddStatesSilently(ElementState::ENABLED | ElementState::OPTIONAL_ |
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ElementState::VALID);
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AddMutationObserver(this);
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}
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void HTMLSelectElement::SetupShadowTree() {
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AttachAndSetUAShadowRoot(NotifyUAWidget::No);
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RefPtr<ShadowRoot> sr = GetShadowRoot();
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if (NS_WARN_IF(!sr)) {
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return;
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}
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// For now, we append a <label> with a text node, a <span> (for the menulist
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// icon), and an hidden <slot> element.
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Document* doc = OwnerDoc();
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RefPtr label = doc->CreateHTMLElement(nsGkAtoms::label);
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label->SetPseudoElementType(PseudoStyleType::MozSelectContent);
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{
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// This matches ButtonControlFrame::EnsureNonEmptyLabel.
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RefPtr text = doc->CreateTextNode(u"\ufeff"_ns);
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label->AppendChildTo(text, false, IgnoreErrors());
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}
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sr->AppendChildTo(label, false, IgnoreErrors());
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RefPtr icon = doc->CreateHTMLElement(nsGkAtoms::span);
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icon->SetPseudoElementType(PseudoStyleType::PickerIcon);
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{
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RefPtr text = doc->CreateTextNode(u"\ufeff"_ns);
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icon->AppendChildTo(text, false, IgnoreErrors());
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}
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sr->AppendChildTo(icon, false, IgnoreErrors());
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RefPtr picker = doc->CreateHTMLElement(nsGkAtoms::div);
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picker->SetPseudoElementType(PseudoStyleType::Picker);
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picker->SetAttr(nsGkAtoms::name, u"select"_ns, IgnoreErrors());
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RefPtr slot = doc->CreateHTMLElement(nsGkAtoms::slot);
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picker->AppendChildTo(slot, false, IgnoreErrors());
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sr->AppendChildTo(picker, false, IgnoreErrors());
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}
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Text* HTMLSelectElement::GetSelectedContentText() const {
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auto* sr = GetShadowRoot();
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if (!sr) {
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MOZ_ASSERT(OwnerDoc()->IsStaticDocument() || !IsInComposedDoc());
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return nullptr;
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}
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auto* label = sr->GetFirstChild();
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MOZ_DIAGNOSTIC_ASSERT(label);
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MOZ_DIAGNOSTIC_ASSERT(label->IsHTMLElement(nsGkAtoms::label));
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MOZ_DIAGNOSTIC_ASSERT(label->GetFirstChild());
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MOZ_DIAGNOSTIC_ASSERT(label->GetFirstChild()->IsText());
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return label->GetFirstChild()->AsText();
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}
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// ISupports
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NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLSelectElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(
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HTMLSelectElement, nsGenericHTMLFormControlElementWithState)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mValidity)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOptions)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSelectedOptions)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(
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HTMLSelectElement, nsGenericHTMLFormControlElementWithState)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mValidity)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mSelectedOptions)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(
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HTMLSelectElement, nsGenericHTMLFormControlElementWithState,
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nsIConstraintValidation)
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// nsIDOMHTMLSelectElement
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NS_IMPL_ELEMENT_CLONE(HTMLSelectElement)
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void HTMLSelectElement::SetCustomValidity(const nsAString& aError) {
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ConstraintValidation::SetCustomValidity(aError);
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UpdateValidityElementStates(true);
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}
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// https://html.spec.whatwg.org/multipage/input.html#dom-input-showpicker
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void HTMLSelectElement::ShowPicker(ErrorResult& aRv) {
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// Step 1. If this is not mutable, then throw an "InvalidStateError"
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// DOMException.
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if (IsDisabled()) {
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return aRv.ThrowInvalidStateError("This select is disabled.");
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}
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// Step 2. If this's relevant settings object's origin is not same origin with
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// this's relevant settings object's top-level origin, and this is a select
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// element, [...], then throw a "SecurityError" DOMException.
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nsPIDOMWindowInner* window = OwnerDoc()->GetInnerWindow();
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WindowGlobalChild* windowGlobalChild =
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window ? window->GetWindowGlobalChild() : nullptr;
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if (!windowGlobalChild || !windowGlobalChild->SameOriginWithTop()) {
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return aRv.ThrowSecurityError(
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"Call was blocked because the current origin isn't same-origin with "
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"top.");
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}
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// Step 3. If this's relevant global object does not have transient
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// activation, then throw a "NotAllowedError" DOMException.
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if (!OwnerDoc()->HasValidTransientUserGestureActivation()) {
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return aRv.ThrowNotAllowedError(
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"Call was blocked due to lack of user activation.");
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}
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// Step 4. If this is a select element, and this is not being rendered, then
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// throw a "NotSupportedError" DOMException.
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// Flush frames so that IsRendered returns up-to-date results.
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(void)GetPrimaryFrame(FlushType::Frames);
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if (!IsRendered()) {
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return aRv.ThrowNotSupportedError("This select isn't being rendered.");
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}
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// Step 5. Show the picker, if applicable, for this.
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// https://html.spec.whatwg.org/multipage/input.html#show-the-picker,-if-applicable
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// To show the picker, if applicable for an input element element:
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// We already checked if mutable and user activation earlier, so skip 1 & 2.
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// Step 3. Consume user activation given element's relevant global object.
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OwnerDoc()->ConsumeTransientUserGestureActivation();
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// Step 5. Otherwise, the user agent should show any relevant user interface
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// for selecting a value for element, in the way it normally would when the
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// user interacts with the control.
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#if !defined(ANDROID)
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if (!IsCombobox()) {
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return;
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}
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#endif
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if (!IsInActiveTab(OwnerDoc())) {
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return;
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}
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if (!OpenInParentProcess()) {
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RefPtr<Document> doc = OwnerDoc();
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nsContentUtils::DispatchChromeEvent(doc, this, u"mozshowdropdown"_ns,
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CanBubble::eYes, Cancelable::eNo);
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}
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}
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void HTMLSelectElement::GetAutocomplete(DOMString& aValue) {
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const nsAttrValue* attributeVal = GetParsedAttr(nsGkAtoms::autocomplete);
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mAutocompleteAttrState = nsContentUtils::SerializeAutocompleteAttribute(
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attributeVal, aValue, mAutocompleteAttrState);
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}
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void HTMLSelectElement::GetAutocompleteInfo(AutocompleteInfo& aInfo) {
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const nsAttrValue* attributeVal = GetParsedAttr(nsGkAtoms::autocomplete);
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mAutocompleteInfoState = nsContentUtils::SerializeAutocompleteAttribute(
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attributeVal, aInfo, mAutocompleteInfoState, true);
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}
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int32_t HTMLSelectElement::GetOptionIndexAt(nsIContent* aOptions) {
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// Search this node and below.
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// If not found, find the first one *after* this node.
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int32_t retval = GetFirstOptionIndex(aOptions);
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if (retval == -1) {
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retval = GetOptionIndexAfter(aOptions);
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}
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return retval;
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}
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int32_t HTMLSelectElement::GetOptionIndexAfter(nsIContent* aOptions) {
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// - If this is the select, the next option is the last.
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// - If not, search all the options after aOptions and up to the last option
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// in the parent.
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// - If it's not there, search for the first option after the parent.
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if (aOptions == this) {
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return Length();
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}
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int32_t retval = -1;
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nsCOMPtr<nsIContent> parent = aOptions->GetParent();
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if (parent) {
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const int32_t index = parent->ComputeIndexOf_Deprecated(aOptions);
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const int32_t count = static_cast<int32_t>(parent->GetChildCount());
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retval = GetFirstChildOptionIndex(parent, index + 1, count);
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if (retval == -1) {
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retval = GetOptionIndexAfter(parent);
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}
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}
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return retval;
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}
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int32_t HTMLSelectElement::GetFirstOptionIndex(nsIContent* aOptions) {
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int32_t listIndex = -1;
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HTMLOptionElement* optElement = HTMLOptionElement::FromNode(aOptions);
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if (optElement) {
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mOptions->GetOptionIndex(optElement, 0, true, &listIndex);
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return listIndex;
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}
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listIndex = GetFirstChildOptionIndex(aOptions, 0, aOptions->GetChildCount());
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return listIndex;
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}
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int32_t HTMLSelectElement::GetFirstChildOptionIndex(nsIContent* aOptions,
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int32_t aStartIndex,
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int32_t aEndIndex) {
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int32_t retval = -1;
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for (int32_t i = aStartIndex; i < aEndIndex; ++i) {
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retval = GetFirstOptionIndex(aOptions->GetChildAt_Deprecated(i));
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if (retval != -1) {
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break;
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}
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}
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return retval;
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}
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nsListControlFrame* HTMLSelectElement::GetListBoxFrame() {
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return do_QueryFrame(GetPrimaryFrame());
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}
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void HTMLSelectElement::Add(
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const HTMLOptionElementOrHTMLOptGroupElement& aElement,
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const Nullable<HTMLElementOrLong>& aBefore, ErrorResult& aRv) {
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nsGenericHTMLElement& element =
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aElement.IsHTMLOptionElement() ? static_cast<nsGenericHTMLElement&>(
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aElement.GetAsHTMLOptionElement())
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: static_cast<nsGenericHTMLElement&>(
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aElement.GetAsHTMLOptGroupElement());
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if (aBefore.IsNull()) {
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Add(element, static_cast<nsGenericHTMLElement*>(nullptr), aRv);
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} else if (aBefore.Value().IsHTMLElement()) {
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Add(element, &aBefore.Value().GetAsHTMLElement(), aRv);
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} else {
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Add(element, aBefore.Value().GetAsLong(), aRv);
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}
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}
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void HTMLSelectElement::Add(nsGenericHTMLElement& aElement,
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nsGenericHTMLElement* aBefore,
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ErrorResult& aError) {
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if (!aBefore) {
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Element::AppendChild(aElement, aError);
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return;
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}
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// Just in case we're not the parent, get the parent of the reference
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// element
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nsCOMPtr<nsINode> parent = aBefore->Element::GetParentNode();
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if (!parent || !parent->IsInclusiveDescendantOf(this)) {
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// NOT_FOUND_ERR: Raised if before is not a descendant of the SELECT
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// element.
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aError.Throw(NS_ERROR_DOM_NOT_FOUND_ERR);
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return;
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}
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// If the before parameter is not null, we are equivalent to the
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// insertBefore method on the parent of before.
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nsCOMPtr<nsINode> refNode = aBefore;
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parent->InsertBefore(aElement, refNode, aError);
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}
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void HTMLSelectElement::Remove(int32_t aIndex) const {
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if (aIndex < 0) {
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return;
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}
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nsCOMPtr<nsINode> option = Item(static_cast<uint32_t>(aIndex));
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if (!option) {
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return;
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}
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option->Remove();
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}
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void HTMLSelectElement::GetType(nsAString& aType) {
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if (HasAttr(nsGkAtoms::multiple)) {
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aType.AssignLiteral("select-multiple");
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} else {
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aType.AssignLiteral("select-one");
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}
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}
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void HTMLSelectElement::SetLength(uint32_t aLength, ErrorResult& aRv) {
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constexpr uint32_t kMaxDynamicSelectLength = 100000;
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uint32_t curlen = Length();
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if (curlen > aLength) { // Remove extra options
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for (uint32_t i = curlen; i > aLength; --i) {
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Remove(i - 1);
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}
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} else if (aLength > curlen) {
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if (aLength > kMaxDynamicSelectLength) {
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nsAutoString strOptionsLength;
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strOptionsLength.AppendInt(aLength);
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nsAutoString strLimit;
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strLimit.AppendInt(kMaxDynamicSelectLength);
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nsContentUtils::ReportToConsole(
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nsIScriptError::warningFlag, "DOM"_ns, OwnerDoc(),
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PropertiesFile::DOM_PROPERTIES,
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"SelectOptionsLengthAssignmentWarning", {strOptionsLength, strLimit});
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return;
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}
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RefPtr<mozilla::dom::NodeInfo> nodeInfo;
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nsContentUtils::QNameChanged(mNodeInfo, nsGkAtoms::option,
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getter_AddRefs(nodeInfo));
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nsCOMPtr<nsINode> node = NS_NewHTMLOptionElement(nodeInfo.forget());
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for (uint32_t i = curlen; i < aLength; i++) {
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nsINode::AppendChild(*node, aRv);
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if (aRv.Failed()) {
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return;
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}
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if (i + 1 < aLength) {
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node = node->CloneNode(true, aRv);
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if (aRv.Failed()) {
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return;
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}
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MOZ_ASSERT(node);
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}
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}
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}
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}
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/* static */
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bool HTMLSelectElement::MatchSelectedOptions(Element* aElement,
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int32_t /* unused */,
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nsAtom* /* unused */,
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void* /* unused*/) {
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// FIXME(bug 2035253): This is missing validity checks.
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HTMLOptionElement* option = HTMLOptionElement::FromNode(aElement);
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return option && option->Selected();
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}
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HTMLCollection* HTMLSelectElement::SelectedOptions() {
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if (!mSelectedOptions) {
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mSelectedOptions = new ContentList(this, MatchSelectedOptions, nullptr,
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nullptr, /* deep */ true);
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}
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return mSelectedOptions;
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}
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HTMLOptionElement* HTMLSelectElement::GetSelectedOption(
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IgnoredOptionList aIgnored) const {
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uint32_t len = Length();
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for (uint32_t i = 0; i < len; ++i) {
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auto* option = Item(i);
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if (option->Selected() && !aIgnored.Contains(option)) {
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return option;
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}
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}
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return nullptr;
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}
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int32_t HTMLSelectElement::SelectedIndex() const {
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uint32_t len = Length();
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for (uint32_t i = 0; i < len; ++i) {
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if (Item(i)->Selected()) {
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return static_cast<int32_t>(i);
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}
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}
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return -1;
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}
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void HTMLSelectElement::SetSelectedIndexInternal(int32_t aIndex, bool aNotify) {
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OptionFlags mask{OptionFlag::IsSelected, OptionFlag::ClearAll,
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OptionFlag::SetDisabled};
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if (aNotify) {
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mask += OptionFlag::Notify;
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}
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SetOptionsSelectedByIndex(aIndex, aIndex, mask);
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if (nsListControlFrame* listBoxFrame = GetListBoxFrame()) {
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listBoxFrame->OnSetSelectedIndex(aIndex);
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}
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OnSelectionChanged();
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}
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|
|
bool HTMLSelectElement::IsOptionSelectedByIndex(int32_t aIndex) const {
|
|
HTMLOptionElement* option = Item(static_cast<uint32_t>(aIndex));
|
|
return option && option->Selected();
|
|
}
|
|
|
|
void HTMLSelectElement::OnOptionSelected(int32_t aIndex, bool aSelected,
|
|
bool aChangeOptionState,
|
|
bool aNotify) {
|
|
if (aChangeOptionState) {
|
|
// Tell the option to get its bad self selected
|
|
if (RefPtr option = Item(static_cast<uint32_t>(aIndex))) {
|
|
option->SetSelectedInternal(aSelected, aNotify);
|
|
}
|
|
}
|
|
|
|
OnSelectionChanged();
|
|
|
|
// Let the frame know too
|
|
if (auto* listBox = GetListBoxFrame()) {
|
|
listBox->OnOptionSelected(aIndex, aSelected);
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
if (nsAccessibilityService* acc = GetAccService(); acc && IsCombobox()) {
|
|
acc->ComboboxValueChanged(this);
|
|
}
|
|
#endif
|
|
|
|
UpdateSelectedOptions();
|
|
UpdateValueMissingValidityState();
|
|
UpdateValidityElementStates(aNotify);
|
|
}
|
|
|
|
// XXX Consider splitting this into two functions for ease of reading:
|
|
// SelectOptionsByIndex(startIndex, endIndex, clearAll, checkDisabled)
|
|
// startIndex, endIndex - the range of options to turn on
|
|
// (-1, -1) will clear all indices no matter what.
|
|
// clearAll - will clear all other options unless checkDisabled is on
|
|
// and all the options attempted to be set are disabled
|
|
// (note that if it is not multiple, and an option is selected,
|
|
// everything else will be cleared regardless).
|
|
// checkDisabled - if this is TRUE, and an option is disabled, it will not be
|
|
// changed regardless of whether it is selected or not.
|
|
// Generally the UI passes TRUE and JS passes FALSE.
|
|
// (setDisabled currently is the opposite)
|
|
// DeselectOptionsByIndex(startIndex, endIndex, checkDisabled)
|
|
// startIndex, endIndex - the range of options to turn on
|
|
// (-1, -1) will clear all indices no matter what.
|
|
// checkDisabled - if this is TRUE, and an option is disabled, it will not be
|
|
// changed regardless of whether it is selected or not.
|
|
// Generally the UI passes TRUE and JS passes FALSE.
|
|
// (setDisabled currently is the opposite)
|
|
//
|
|
// XXXbz the above comment is pretty confusing. Maybe we should actually
|
|
// document the args to this function too, in addition to documenting what
|
|
// things might end up looking like? In particular, pay attention to the
|
|
// setDisabled vs checkDisabled business.
|
|
bool HTMLSelectElement::SetOptionsSelectedByIndex(int32_t aStartIndex,
|
|
int32_t aEndIndex,
|
|
OptionFlags aOptionsMask) {
|
|
#if 0
|
|
printf("SetOption(%d-%d, %c, ClearAll=%c)\n", aStartIndex, aEndIndex,
|
|
(aOptionsMask.contains(OptionFlag::IsSelected) ? 'Y' : 'N'),
|
|
(aOptionsMask.contains(OptionFlag::ClearAll) ? 'Y' : 'N'));
|
|
#endif
|
|
// Don't bother if the select is disabled
|
|
if (!aOptionsMask.contains(OptionFlag::SetDisabled) && IsDisabled()) {
|
|
return false;
|
|
}
|
|
|
|
// Don't bother if there are no options
|
|
uint32_t numItems = Length();
|
|
if (numItems == 0) {
|
|
return false;
|
|
}
|
|
|
|
// First, find out whether multiple items can be selected
|
|
bool isMultiple = Multiple();
|
|
|
|
// These variables tell us whether any options were selected
|
|
// or deselected.
|
|
bool optionsSelected = false;
|
|
bool optionsDeselected = false;
|
|
|
|
if (aOptionsMask.contains(OptionFlag::IsSelected)) {
|
|
// Setting selectedIndex to an out-of-bounds index means -1. (HTML5)
|
|
if (aStartIndex < 0 || AssertedCast<uint32_t>(aStartIndex) >= numItems ||
|
|
aEndIndex < 0 || AssertedCast<uint32_t>(aEndIndex) >= numItems) {
|
|
aStartIndex = -1;
|
|
aEndIndex = -1;
|
|
}
|
|
|
|
// Only select the first value if it's not multiple
|
|
if (!isMultiple) {
|
|
aEndIndex = aStartIndex;
|
|
}
|
|
|
|
// This variable tells whether or not all of the options we attempted to
|
|
// select are disabled. If ClearAll is passed in as true, and we do not
|
|
// select anything because the options are disabled, we will not clear the
|
|
// other options. (This is to make the UI work the way one might expect.)
|
|
bool allDisabled = !aOptionsMask.contains(OptionFlag::SetDisabled);
|
|
|
|
//
|
|
// Select the requested indices
|
|
//
|
|
// If index is -1, everything will be deselected (bug 28143)
|
|
if (aStartIndex != -1) {
|
|
MOZ_ASSERT(aStartIndex >= 0);
|
|
MOZ_ASSERT(aEndIndex >= 0);
|
|
// Loop through the options and select them (if they are not disabled and
|
|
// if they are not already selected).
|
|
for (uint32_t optIndex = AssertedCast<uint32_t>(aStartIndex);
|
|
optIndex <= AssertedCast<uint32_t>(aEndIndex); optIndex++) {
|
|
RefPtr<HTMLOptionElement> option = Item(optIndex);
|
|
|
|
// Ignore disabled options.
|
|
if (!aOptionsMask.contains(OptionFlag::SetDisabled)) {
|
|
if (option && IsOptionDisabled(option)) {
|
|
continue;
|
|
}
|
|
allDisabled = false;
|
|
}
|
|
|
|
// If the index is already selected, ignore it. On the other hand when
|
|
// the option has just been inserted we have to get in sync with it.
|
|
if (option && (aOptionsMask.contains(OptionFlag::InsertingOptions) ||
|
|
!option->Selected())) {
|
|
OnOptionSelected(optIndex, true, !option->Selected(),
|
|
aOptionsMask.contains(OptionFlag::Notify));
|
|
optionsSelected = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Next remove all other options if single select or all is clear
|
|
// If index is -1, everything will be deselected (bug 28143)
|
|
if (((!isMultiple && optionsSelected) ||
|
|
(aOptionsMask.contains(OptionFlag::ClearAll) && !allDisabled) ||
|
|
aStartIndex == -1)) {
|
|
for (uint32_t optIndex = 0; optIndex < numItems; optIndex++) {
|
|
if (static_cast<int32_t>(optIndex) < aStartIndex ||
|
|
static_cast<int32_t>(optIndex) > aEndIndex) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
// If the index is already deselected, ignore it.
|
|
if (option && option->Selected()) {
|
|
OnOptionSelected(optIndex, false, true,
|
|
aOptionsMask.contains(OptionFlag::Notify));
|
|
optionsDeselected = true;
|
|
|
|
// Only need to deselect one option if not multiple, or if we're
|
|
// inserting options (if multiple of the options we're inserting are
|
|
// selected we need to deselect them all but one).
|
|
if (!isMultiple &&
|
|
!aOptionsMask.contains(OptionFlag::InsertingOptions)) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// If we're deselecting, loop through all selected items and deselect
|
|
// any that are in the specified range.
|
|
for (int32_t optIndex = aStartIndex; optIndex <= aEndIndex; optIndex++) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
if (!aOptionsMask.contains(OptionFlag::SetDisabled) &&
|
|
IsOptionDisabled(option)) {
|
|
continue;
|
|
}
|
|
|
|
// If the index is already selected, ignore it.
|
|
if (option->Selected()) {
|
|
OnOptionSelected(optIndex, false, true,
|
|
aOptionsMask.contains(OptionFlag::Notify));
|
|
optionsDeselected = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Make sure something is selected unless we were set to -1 (none)
|
|
if (optionsDeselected && aStartIndex != -1 &&
|
|
!aOptionsMask.contains(OptionFlag::NoReselect)) {
|
|
optionsSelected =
|
|
TrySelectSomething(aOptionsMask.contains(OptionFlag::Notify)) ||
|
|
optionsSelected;
|
|
}
|
|
|
|
// Let the caller know whether anything was changed
|
|
return optionsSelected || optionsDeselected;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::IsOptionDisabled(int32_t aIndex, bool* aIsDisabled) {
|
|
*aIsDisabled = false;
|
|
RefPtr<HTMLOptionElement> option = Item(aIndex);
|
|
NS_ENSURE_TRUE(option, NS_ERROR_FAILURE);
|
|
|
|
*aIsDisabled = IsOptionDisabled(option);
|
|
return NS_OK;
|
|
}
|
|
|
|
bool HTMLSelectElement::IsOptionDisabled(HTMLOptionElement* aOption) const {
|
|
MOZ_ASSERT(aOption);
|
|
if (aOption->Disabled()) {
|
|
return true;
|
|
}
|
|
|
|
// Check for disabled optgroups
|
|
// If there are no artifacts, there are no optgroups
|
|
for (Element* node = aOption->GetParentElement(); node;
|
|
node = node->GetParentElement()) {
|
|
// If we reached the select element, we're done
|
|
if (node->IsHTMLElement(nsGkAtoms::select)) {
|
|
return false;
|
|
}
|
|
auto* optGroupElement = HTMLOptGroupElement::FromNode(node);
|
|
if (!optGroupElement) {
|
|
// If you put something else between you and the optgroup, you're a
|
|
// moron and you deserve not to have optgroup disabling work.
|
|
return false;
|
|
}
|
|
if (optGroupElement->Disabled()) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void HTMLSelectElement::GetValue(nsAString& aValue) const {
|
|
int32_t selectedIndex = SelectedIndex();
|
|
if (selectedIndex < 0) {
|
|
return;
|
|
}
|
|
|
|
RefPtr<HTMLOptionElement> option = Item(static_cast<uint32_t>(selectedIndex));
|
|
|
|
if (!option) {
|
|
return;
|
|
}
|
|
|
|
option->GetValue(aValue);
|
|
}
|
|
|
|
void HTMLSelectElement::SetValue(const nsAString& aValue) {
|
|
uint32_t length = Length();
|
|
|
|
for (uint32_t i = 0; i < length; i++) {
|
|
RefPtr<HTMLOptionElement> option = Item(i);
|
|
if (!option) {
|
|
continue;
|
|
}
|
|
|
|
nsAutoString optionVal;
|
|
option->GetValue(optionVal);
|
|
if (optionVal.Equals(aValue)) {
|
|
SetSelectedIndexInternal(int32_t(i), true);
|
|
return;
|
|
}
|
|
}
|
|
// No matching option was found.
|
|
SetSelectedIndexInternal(-1, true);
|
|
}
|
|
|
|
int32_t HTMLSelectElement::TabIndexDefault() { return 0; }
|
|
|
|
bool HTMLSelectElement::IsHTMLFocusable(IsFocusableFlags aFlags,
|
|
bool* aIsFocusable,
|
|
int32_t* aTabIndex) {
|
|
if (nsGenericHTMLFormControlElementWithState::IsHTMLFocusable(
|
|
aFlags, aIsFocusable, aTabIndex)) {
|
|
return true;
|
|
}
|
|
|
|
*aIsFocusable = !IsDisabled();
|
|
|
|
return false;
|
|
}
|
|
|
|
bool HTMLSelectElement::TrySelectSomething(bool aNotify,
|
|
IgnoredOptionList aIgnored) {
|
|
if (!mIsDoneAddingChildren || !IsCombobox()) {
|
|
return false;
|
|
}
|
|
uint32_t count = Length();
|
|
Maybe<uint32_t> indexToSelect;
|
|
for (uint32_t i = 0; i < count; i++) {
|
|
HTMLOptionElement* option = Item(i);
|
|
if (option->Selected() && !aIgnored.Contains(option)) {
|
|
return false;
|
|
}
|
|
if (indexToSelect || IsOptionDisabled(option) ||
|
|
aIgnored.Contains(option)) {
|
|
continue;
|
|
}
|
|
indexToSelect.emplace(i);
|
|
// Keep looping to see if we find an already-selected option, in which case
|
|
// we should bail out.
|
|
}
|
|
if (indexToSelect) {
|
|
// Intentionally not going through SetSelectedIndexInternal, to avoid
|
|
// unselecting options that should be ignored (in aIgnored).
|
|
OnOptionSelected(*indexToSelect, true, true, aNotify);
|
|
UpdateValueMissingValidityState(aIgnored);
|
|
UpdateValidityElementStates(aNotify);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsresult HTMLSelectElement::BindToTree(BindContext& aContext,
|
|
nsINode& aParent) {
|
|
MOZ_TRY(
|
|
nsGenericHTMLFormControlElementWithState::BindToTree(aContext, aParent));
|
|
|
|
// If there is a disabled fieldset in the parent chain, the element is now
|
|
// barred from constraint validation.
|
|
// XXXbz is this still needed now that fieldset changes always call
|
|
// FieldSetDisabledChanged?
|
|
UpdateBarredFromConstraintValidation();
|
|
|
|
// And now make sure our state is up to date
|
|
UpdateValidityElementStates(false);
|
|
|
|
if (IsInComposedDoc()) {
|
|
if (!GetShadowRoot()) {
|
|
SetupShadowTree();
|
|
}
|
|
SelectedContentTextMightHaveChanged(false);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void HTMLSelectElement::UnbindFromTree(UnbindContext& aContext) {
|
|
// We don't bother clearing up the shadow tree here if we already have it
|
|
// around.
|
|
nsGenericHTMLFormControlElementWithState::UnbindFromTree(aContext);
|
|
|
|
// We might be no longer disabled because our parent chain changed.
|
|
// XXXbz is this still needed now that fieldset changes always call
|
|
// FieldSetDisabledChanged?
|
|
UpdateBarredFromConstraintValidation();
|
|
|
|
// And now make sure our state is up to date
|
|
UpdateValidityElementStates(false);
|
|
}
|
|
|
|
void HTMLSelectElement::BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue, bool aNotify) {
|
|
if (aNameSpaceID == kNameSpaceID_None) {
|
|
if (aName == nsGkAtoms::disabled) {
|
|
if (aNotify) {
|
|
mDisabledChanged = true;
|
|
}
|
|
} else if (aName == nsGkAtoms::multiple) {
|
|
if (!aValue && aNotify) {
|
|
// We're changing from being a multi-select to a single-select.
|
|
// Make sure we only have one option selected before we do that.
|
|
// Note that this needs to come before we really unset the attr,
|
|
// since SetOptionsSelectedByIndex does some bail-out type
|
|
// optimization for cases when the select is not multiple that
|
|
// would lead to only a single option getting deselected.
|
|
SetSelectedIndexInternal(SelectedIndex(), aNotify);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLFormControlElementWithState::BeforeSetAttr(
|
|
aNameSpaceID, aName, aValue, aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
const nsAttrValue* aOldValue,
|
|
nsIPrincipal* aSubjectPrincipal,
|
|
bool aNotify) {
|
|
if (aNameSpaceID == kNameSpaceID_None) {
|
|
if (aName == nsGkAtoms::disabled) {
|
|
// This *has* to be called *before* validity state check because
|
|
// UpdateBarredFromConstraintValidation and
|
|
// UpdateValueMissingValidityState depend on our disabled state.
|
|
UpdateDisabledState(aNotify);
|
|
|
|
UpdateValueMissingValidityState();
|
|
UpdateBarredFromConstraintValidation();
|
|
UpdateValidityElementStates(aNotify);
|
|
} else if (aName == nsGkAtoms::required) {
|
|
// This *has* to be called *before* UpdateValueMissingValidityState
|
|
// because UpdateValueMissingValidityState depends on our required
|
|
// state.
|
|
UpdateRequiredState(!!aValue, aNotify);
|
|
UpdateValueMissingValidityState();
|
|
UpdateValidityElementStates(aNotify);
|
|
} else if (aName == nsGkAtoms::autocomplete) {
|
|
// Clear the cached @autocomplete attribute and autocompleteInfo state.
|
|
mAutocompleteAttrState = nsContentUtils::eAutocompleteAttrState_Unknown;
|
|
mAutocompleteInfoState = nsContentUtils::eAutocompleteAttrState_Unknown;
|
|
} else if (aName == nsGkAtoms::multiple) {
|
|
if (!aValue && aNotify) {
|
|
// We might have become a combobox; make sure _something_ gets
|
|
// selected in that case
|
|
TrySelectSomething(aNotify);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLFormControlElementWithState::AfterSetAttr(
|
|
aNameSpaceID, aName, aValue, aOldValue, aSubjectPrincipal, aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::DoneAddingChildren(bool aHaveNotified) {
|
|
mIsDoneAddingChildren = true;
|
|
|
|
// PrototypeDocumentContentSink and innerHTML (and maybe XMLContentSink?) may
|
|
// not notify for all children during parsing, so mark the options list dirty
|
|
// at this point.
|
|
mOptions->SetDirty();
|
|
|
|
if (nsIContent* firstChild = GetFirstChild()) {
|
|
ContentAppendedOrInserted(firstChild, /* aIsAppend = */ true);
|
|
}
|
|
|
|
// If we foolishly tried to restore before we were done adding
|
|
// content, restore the rest of the options proper-like
|
|
if (mRestoreState) {
|
|
RestoreStateTo(*mRestoreState);
|
|
mRestoreState = nullptr;
|
|
}
|
|
|
|
// Notify the frame
|
|
if (auto* listBoxFrame = GetListBoxFrame()) {
|
|
listBoxFrame->DoneAddingChildren();
|
|
}
|
|
|
|
if (!mInhibitStateRestoration) {
|
|
GenerateStateKey();
|
|
RestoreFormControlState();
|
|
}
|
|
|
|
mDefaultSelectionSet = true;
|
|
}
|
|
|
|
bool HTMLSelectElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
|
|
const nsAString& aValue,
|
|
nsIPrincipal* aMaybeScriptedPrincipal,
|
|
nsAttrValue& aResult) {
|
|
if (kNameSpaceID_None == aNamespaceID) {
|
|
if (aAttribute == nsGkAtoms::size) {
|
|
return aResult.ParsePositiveIntValue(aValue);
|
|
}
|
|
if (aAttribute == nsGkAtoms::autocomplete) {
|
|
aResult.ParseAtomArray(aValue);
|
|
return true;
|
|
}
|
|
}
|
|
return nsGenericHTMLFormControlElementWithState::ParseAttribute(
|
|
aNamespaceID, aAttribute, aValue, aMaybeScriptedPrincipal, aResult);
|
|
}
|
|
|
|
void HTMLSelectElement::MapAttributesIntoRule(
|
|
MappedDeclarationsBuilder& aBuilder) {
|
|
nsGenericHTMLFormControlElementWithState::MapImageAlignAttributeInto(
|
|
aBuilder);
|
|
nsGenericHTMLFormControlElementWithState::MapCommonAttributesInto(aBuilder);
|
|
}
|
|
|
|
nsChangeHint HTMLSelectElement::GetAttributeChangeHint(
|
|
const nsAtom* aAttribute, AttrModType aModType) const {
|
|
nsChangeHint retval =
|
|
nsGenericHTMLFormControlElementWithState::GetAttributeChangeHint(
|
|
aAttribute, aModType);
|
|
if (aAttribute == nsGkAtoms::multiple || aAttribute == nsGkAtoms::size) {
|
|
retval |= nsChangeHint_ReconstructFrame;
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
NS_IMETHODIMP_(bool)
|
|
HTMLSelectElement::IsAttributeMapped(const nsAtom* aAttribute) const {
|
|
static const MappedAttributeEntry* const map[] = {sCommonAttributeMap,
|
|
sImageAlignAttributeMap};
|
|
|
|
return FindAttributeDependence(aAttribute, map);
|
|
}
|
|
|
|
nsMapRuleToAttributesFunc HTMLSelectElement::GetAttributeMappingFunction()
|
|
const {
|
|
return &MapAttributesIntoRule;
|
|
}
|
|
|
|
bool HTMLSelectElement::IsDisabledForEvents(WidgetEvent* aEvent) {
|
|
return IsElementDisabledForEvents(aEvent, GetPrimaryFrame());
|
|
}
|
|
|
|
void HTMLSelectElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
|
|
aVisitor.mCanHandle = false;
|
|
if (IsDisabledForEvents(aVisitor.mEvent)) {
|
|
return;
|
|
}
|
|
|
|
nsGenericHTMLFormControlElementWithState::GetEventTargetParent(aVisitor);
|
|
}
|
|
|
|
void HTMLSelectElement::UpdateValidityElementStates(bool aNotify) {
|
|
AutoStateChangeNotifier notifier(*this, aNotify);
|
|
RemoveStatesSilently(ElementState::VALIDITY_STATES);
|
|
if (!IsCandidateForConstraintValidation()) {
|
|
return;
|
|
}
|
|
|
|
ElementState state;
|
|
if (IsValid()) {
|
|
state |= ElementState::VALID;
|
|
if (mUserInteracted) {
|
|
state |= ElementState::USER_VALID;
|
|
}
|
|
} else {
|
|
state |= ElementState::INVALID;
|
|
if (mUserInteracted) {
|
|
state |= ElementState::USER_INVALID;
|
|
}
|
|
}
|
|
|
|
AddStatesSilently(state);
|
|
}
|
|
|
|
void HTMLSelectElement::SaveState() {
|
|
PresState* presState = GetPrimaryPresState();
|
|
if (!presState) {
|
|
return;
|
|
}
|
|
|
|
SelectContentData state;
|
|
|
|
uint32_t len = Length();
|
|
|
|
for (uint32_t optIndex = 0; optIndex < len; optIndex++) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
if (option && option->Selected()) {
|
|
nsAutoString value;
|
|
option->GetValue(value);
|
|
if (value.IsEmpty()) {
|
|
state.indices().AppendElement(optIndex);
|
|
} else {
|
|
state.values().AppendElement(std::move(value));
|
|
}
|
|
}
|
|
}
|
|
|
|
presState->contentData() = std::move(state);
|
|
|
|
if (mDisabledChanged) {
|
|
// We do not want to save the real disabled state but the disabled
|
|
// attribute.
|
|
presState->disabled() = HasAttr(nsGkAtoms::disabled);
|
|
presState->disabledSet() = true;
|
|
}
|
|
}
|
|
|
|
bool HTMLSelectElement::RestoreState(PresState* aState) {
|
|
// Get the presentation state object to retrieve our stuff out of.
|
|
const PresContentData& state = aState->contentData();
|
|
if (state.type() == PresContentData::TSelectContentData) {
|
|
RestoreStateTo(state.get_SelectContentData());
|
|
|
|
// Don't flush, if the frame doesn't exist yet it doesn't care if
|
|
// we're reset or not.
|
|
DispatchContentReset();
|
|
}
|
|
|
|
if (aState->disabledSet() && !aState->disabled()) {
|
|
SetDisabled(false, IgnoreErrors());
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void HTMLSelectElement::RestoreStateTo(const SelectContentData& aNewSelected) {
|
|
if (!mIsDoneAddingChildren) {
|
|
// Make a copy of the state for us to restore from in the future.
|
|
mRestoreState = MakeUnique<SelectContentData>(aNewSelected);
|
|
return;
|
|
}
|
|
|
|
uint32_t len = Length();
|
|
OptionFlags mask{OptionFlag::IsSelected, OptionFlag::ClearAll,
|
|
OptionFlag::SetDisabled, OptionFlag::Notify};
|
|
|
|
// First clear all
|
|
SetOptionsSelectedByIndex(-1, -1, mask);
|
|
|
|
bool selectedAny = false;
|
|
// Select by index.
|
|
for (uint32_t idx : aNewSelected.indices()) {
|
|
if (idx < len) {
|
|
SetOptionsSelectedByIndex(idx, idx,
|
|
{OptionFlag::IsSelected,
|
|
OptionFlag::SetDisabled, OptionFlag::Notify});
|
|
selectedAny = true;
|
|
}
|
|
}
|
|
|
|
// Select by value.
|
|
for (uint32_t i = 0; i < len; ++i) {
|
|
HTMLOptionElement* option = Item(i);
|
|
if (option) {
|
|
nsAutoString value;
|
|
option->GetValue(value);
|
|
if (aNewSelected.values().Contains(value)) {
|
|
SetOptionsSelectedByIndex(
|
|
i, i,
|
|
{OptionFlag::IsSelected, OptionFlag::SetDisabled,
|
|
OptionFlag::Notify});
|
|
selectedAny = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Select something if we need to.
|
|
if (!selectedAny) {
|
|
TrySelectSomething(true);
|
|
}
|
|
}
|
|
|
|
// nsIFormControl
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::Reset() {
|
|
uint32_t numSelected = 0;
|
|
|
|
//
|
|
// Cycle through the options array and reset the options
|
|
//
|
|
uint32_t numOptions = Length();
|
|
|
|
for (uint32_t i = 0; i < numOptions; i++) {
|
|
RefPtr<HTMLOptionElement> option = Item(i);
|
|
if (option) {
|
|
//
|
|
// Reset the option to its default value
|
|
//
|
|
|
|
OptionFlags mask = {OptionFlag::SetDisabled, OptionFlag::Notify,
|
|
OptionFlag::NoReselect};
|
|
if (option->DefaultSelected()) {
|
|
mask += OptionFlag::IsSelected;
|
|
numSelected++;
|
|
}
|
|
|
|
SetOptionsSelectedByIndex(i, i, mask);
|
|
option->SetSelectedChanged(false);
|
|
}
|
|
}
|
|
|
|
// If nothing was selected and it's not multiple, select something
|
|
if (numSelected == 0) {
|
|
TrySelectSomething(true);
|
|
}
|
|
|
|
OnSelectionChanged();
|
|
SetUserInteracted(false);
|
|
|
|
// Let the frame know we were reset
|
|
//
|
|
// Don't flush, if there's no frame yet it won't care about us being
|
|
// reset even if we forced it to be created now.
|
|
//
|
|
DispatchContentReset();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
HTMLSelectElement::SubmitNamesValues(FormData* aFormData) {
|
|
//
|
|
// Get the name (if no name, no submit)
|
|
//
|
|
nsAutoString name;
|
|
GetAttr(nsGkAtoms::name, name);
|
|
if (name.IsEmpty()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
//
|
|
// Submit
|
|
//
|
|
uint32_t len = Length();
|
|
|
|
for (uint32_t optIndex = 0; optIndex < len; optIndex++) {
|
|
HTMLOptionElement* option = Item(optIndex);
|
|
|
|
// Don't send disabled options
|
|
if (!option || IsOptionDisabled(option)) {
|
|
continue;
|
|
}
|
|
|
|
if (!option->Selected()) {
|
|
continue;
|
|
}
|
|
|
|
nsString value;
|
|
option->GetValue(value);
|
|
|
|
aFormData->AddNameValuePair(name, value);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void HTMLSelectElement::DispatchContentReset() {
|
|
if (nsListControlFrame* listFrame = GetListBoxFrame()) {
|
|
listFrame->OnContentReset();
|
|
}
|
|
}
|
|
|
|
bool HTMLSelectElement::IsValueMissing(IgnoredOptionList aIgnored) const {
|
|
if (!Required()) {
|
|
return false;
|
|
}
|
|
|
|
uint32_t length = Length();
|
|
|
|
bool first = true;
|
|
for (uint32_t i = 0; i < length; ++i) {
|
|
RefPtr<HTMLOptionElement> option = Item(i);
|
|
// Check for a placeholder label option, don't count it as a valid value.
|
|
if (first) {
|
|
if (aIgnored.Contains(option)) {
|
|
// We need to eagerly check for aIgnored to keep `first` correct,
|
|
// effectively.
|
|
continue;
|
|
}
|
|
first = false;
|
|
if (!Multiple() && Size() <= 1 && option->GetParent() == this) {
|
|
nsAutoString value;
|
|
option->GetValue(value);
|
|
if (value.IsEmpty()) {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
if (!option->Selected() || aIgnored.Contains(option)) {
|
|
continue;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void HTMLSelectElement::UpdateValueMissingValidityState(
|
|
IgnoredOptionList aIgnored) {
|
|
SetValidityState(VALIDITY_STATE_VALUE_MISSING, IsValueMissing(aIgnored));
|
|
}
|
|
|
|
nsresult HTMLSelectElement::GetValidationMessage(nsAString& aValidationMessage,
|
|
ValidityStateType aType) {
|
|
switch (aType) {
|
|
case VALIDITY_STATE_VALUE_MISSING: {
|
|
nsAutoString message;
|
|
nsresult rv = nsContentUtils::GetMaybeLocalizedString(
|
|
PropertiesFile::DOM_PROPERTIES, "FormValidationSelectMissing",
|
|
OwnerDoc(), message);
|
|
aValidationMessage = message;
|
|
return rv;
|
|
}
|
|
default: {
|
|
return ConstraintValidation::GetValidationMessage(aValidationMessage,
|
|
aType);
|
|
}
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::UpdateBarredFromConstraintValidation() {
|
|
SetBarredFromConstraintValidation(
|
|
HasFlag(ELEMENT_IS_DATALIST_OR_HAS_DATALIST_ANCESTOR) || IsDisabled());
|
|
}
|
|
|
|
void HTMLSelectElement::FieldSetDisabledChanged(bool aNotify) {
|
|
// This *has* to be called before UpdateBarredFromConstraintValidation and
|
|
// UpdateValueMissingValidityState because these two functions depend on our
|
|
// disabled state.
|
|
nsGenericHTMLFormControlElementWithState::FieldSetDisabledChanged(aNotify);
|
|
|
|
UpdateValueMissingValidityState();
|
|
UpdateBarredFromConstraintValidation();
|
|
UpdateValidityElementStates(aNotify);
|
|
}
|
|
|
|
void HTMLSelectElement::OnSelectionChanged() {
|
|
SelectedContentTextMightHaveChanged();
|
|
if (!mDefaultSelectionSet) {
|
|
return;
|
|
}
|
|
|
|
if (State().HasState(ElementState::AUTOFILL)) {
|
|
RemoveStates(ElementState::AUTOFILL | ElementState::AUTOFILL_PREVIEW);
|
|
}
|
|
|
|
UpdateSelectedOptions();
|
|
}
|
|
|
|
void HTMLSelectElement::UpdateSelectedOptions() {
|
|
if (mSelectedOptions) {
|
|
mSelectedOptions->SetDirty();
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::SetUserInteracted(bool aInteracted) {
|
|
if (mUserInteracted == aInteracted) {
|
|
return;
|
|
}
|
|
mUserInteracted = aInteracted;
|
|
UpdateValidityElementStates(true);
|
|
}
|
|
|
|
void HTMLSelectElement::SetPreviewValue(const nsAString& aValue) {
|
|
mPreviewValue = aValue;
|
|
nsContentUtils::RemoveNewlines(mPreviewValue);
|
|
SelectedContentTextMightHaveChanged();
|
|
}
|
|
|
|
static void OptionValueMightHaveChanged(nsIContent* aMutatingNode) {
|
|
#ifdef ACCESSIBILITY
|
|
if (nsAccessibilityService* acc = GetAccService()) {
|
|
acc->ComboboxOptionMaybeChanged(aMutatingNode->OwnerDoc()->GetPresShell(),
|
|
aMutatingNode);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void HTMLSelectElement::SelectedContentTextMightHaveChanged(
|
|
bool aNotify, IgnoredOptionList aIgnored) {
|
|
RefPtr textNode = GetSelectedContentText();
|
|
if (!textNode) {
|
|
return;
|
|
}
|
|
nsAutoString newText;
|
|
if (!mPreviewValue.IsEmpty()) {
|
|
newText.Assign(mPreviewValue);
|
|
} else if (auto* selectedOption = GetSelectedOption(aIgnored)) {
|
|
selectedOption->GetRenderedLabel(newText);
|
|
}
|
|
ButtonControlFrame::EnsureNonEmptyLabel(newText);
|
|
textNode->SetText(newText, aNotify);
|
|
#ifdef ACCESSIBILITY
|
|
if (nsAccessibilityService* acc = GetAccService()) {
|
|
if (nsIFrame* f = GetPrimaryFrame()) {
|
|
acc->ScheduleAccessibilitySubtreeUpdate(f->PresShell(), this);
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void HTMLSelectElement::UserFinishedInteracting(bool aChanged) {
|
|
SetUserInteracted(true);
|
|
if (!aChanged) {
|
|
return;
|
|
}
|
|
|
|
// Dispatch the input event.
|
|
DebugOnly<nsresult> rvIgnored = nsContentUtils::DispatchInputEvent(this);
|
|
NS_WARNING_ASSERTION(NS_SUCCEEDED(rvIgnored),
|
|
"Failed to dispatch input event");
|
|
|
|
// Dispatch the change event.
|
|
nsContentUtils::DispatchTrustedEvent(OwnerDoc(), this, u"change"_ns,
|
|
CanBubble::eYes, Cancelable::eNo);
|
|
}
|
|
|
|
void HTMLSelectElement::AttributeChanged(dom::Element* aElement,
|
|
int32_t aNameSpaceID,
|
|
nsAtom* aAttribute, AttrModType,
|
|
const nsAttrValue* aOldValue) {
|
|
if (aElement->IsHTMLElement(nsGkAtoms::option) &&
|
|
aNameSpaceID == kNameSpaceID_None && aAttribute == nsGkAtoms::label) {
|
|
// A11y has its own mutation listener for this so no need to do
|
|
// OptionValueMightHaveChanged().
|
|
SelectedContentTextMightHaveChanged();
|
|
}
|
|
}
|
|
|
|
static bool InsideSelectedOption(nsIContent* aContent,
|
|
HTMLSelectElement* aLimit) {
|
|
for (nsIContent* cur = aContent->GetParent(); cur != aLimit;
|
|
cur = cur->GetParent()) {
|
|
if (auto* option = HTMLOptionElement::FromNode(cur)) {
|
|
return option->Selected();
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void HTMLSelectElement::CharacterDataChanged(nsIContent* aContent,
|
|
const CharacterDataChangeInfo&) {
|
|
if (IsInComposedDoc() && IsCombobox() &&
|
|
nsContentUtils::IsInSameAnonymousTree(this, aContent)) {
|
|
OptionValueMightHaveChanged(aContent);
|
|
if (InsideSelectedOption(aContent, this)) {
|
|
SelectedContentTextMightHaveChanged();
|
|
}
|
|
}
|
|
}
|
|
|
|
using MutatedOptions = AutoTArray<RefPtr<HTMLOptionElement>, 8>;
|
|
|
|
// Collect all the options valid for `aSelect` in `aChild`'s subtree into
|
|
// `aOptions`. Returns true if there is any selected option.
|
|
static bool CollectOptions(const HTMLSelectElement& aSelect, nsIContent* aChild,
|
|
MutatedOptions& aOptions) {
|
|
if (auto* option = HTMLOptionElement::FromNode(aChild)) {
|
|
if (!HTMLOptionsCollection::IsValidOption(*option, aSelect)) {
|
|
return false;
|
|
}
|
|
// Options inside options are not a thing.
|
|
aOptions.AppendElement(option);
|
|
return option->Selected();
|
|
}
|
|
bool anySelected = false;
|
|
for (auto* c = aChild->GetFirstChild(); c; c = c->GetNextNode(aChild)) {
|
|
auto* option = HTMLOptionElement::FromNode(c);
|
|
if (!option || !HTMLOptionsCollection::IsValidOption(*option, aSelect)) {
|
|
continue;
|
|
}
|
|
aOptions.AppendElement(option);
|
|
if (option->Selected()) {
|
|
anySelected = true;
|
|
}
|
|
}
|
|
return anySelected;
|
|
}
|
|
|
|
void HTMLSelectElement::ContentWillBeRemoved(nsIContent* aChild,
|
|
const ContentRemoveInfo& aInfo) {
|
|
if (!nsContentUtils::IsInSameAnonymousTree(this, aChild)) {
|
|
return;
|
|
}
|
|
MutatedOptions options;
|
|
const bool anySelected = CollectOptions(*this, aChild, options);
|
|
if (!options.IsEmpty()) {
|
|
if (nsListControlFrame* listBox = GetListBoxFrame()) {
|
|
auto index = options[0]->Index();
|
|
for (size_t i = 0; i < options.Length(); ++i) {
|
|
listBox->RemoveOption(index);
|
|
}
|
|
}
|
|
}
|
|
if (!Multiple() && anySelected) {
|
|
// We're removing the selected option, switch the selection.
|
|
if (!TrySelectSomething(true, options)) {
|
|
// We might have lost our last selectable option.
|
|
UpdateValueMissingValidityState(options);
|
|
UpdateValidityElementStates(true);
|
|
}
|
|
}
|
|
if (IsInComposedDoc() && IsCombobox()) {
|
|
OptionValueMightHaveChanged(aChild);
|
|
if (anySelected || InsideSelectedOption(aChild, this)) {
|
|
// If there's any selected option getting removed, we need to call
|
|
// SelectedContentTextMightHaveChanged ignoring the options here
|
|
// to get the correct text.
|
|
// TODO(emilio): Maybe plumb options down further or something.
|
|
SelectedContentTextMightHaveChanged(true, options);
|
|
}
|
|
}
|
|
if (!options.IsEmpty()) {
|
|
// NOTE(emilio): This is a bit of a hack. Our mOptions list gets notified of
|
|
// mutations before us, which is generally what we want. However, for
|
|
// removal it is _not_ what we want, since we look at the pre-removal
|
|
// options list here. If any code above brings it up to date, then there's
|
|
// no other notification for it to invalidate again, which would leave stale
|
|
// options in the list. So gotta invalidate it manually here.
|
|
mOptions->SetDirty();
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::ContentAppendedOrInserted(nsIContent* aFirstNewContent,
|
|
bool aIsAppend) {
|
|
if (!nsContentUtils::IsInSameAnonymousTree(this, aFirstNewContent)) {
|
|
return;
|
|
}
|
|
MutatedOptions options;
|
|
// Inserting selected options de-selects all others per spec.
|
|
bool anySelected = false;
|
|
for (auto* cur = aFirstNewContent; cur; cur = cur->GetNextSibling()) {
|
|
anySelected |= CollectOptions(*this, cur, options);
|
|
if (!aIsAppend) {
|
|
break;
|
|
}
|
|
}
|
|
if (!options.IsEmpty()) {
|
|
if (nsListControlFrame* listBox = GetListBoxFrame()) {
|
|
listBox->OptionsAdded();
|
|
}
|
|
}
|
|
if (anySelected && !Multiple()) {
|
|
// Select the last selected option.
|
|
HTMLOptionElement* lastSelected = nullptr;
|
|
for (HTMLOptionElement* opt : Reversed(options)) {
|
|
if (opt->Selected()) {
|
|
lastSelected = opt;
|
|
break;
|
|
}
|
|
}
|
|
MOZ_ASSERT(lastSelected, "How?");
|
|
int32_t indexToSelect = lastSelected->Index();
|
|
const OptionFlags mask{OptionFlag::IsSelected, OptionFlag::ClearAll,
|
|
OptionFlag::SetDisabled, OptionFlag::Notify,
|
|
OptionFlag::InsertingOptions};
|
|
SetOptionsSelectedByIndex(indexToSelect, indexToSelect, mask);
|
|
}
|
|
|
|
if (IsCombobox()) {
|
|
if (!anySelected) {
|
|
TrySelectSomething(true);
|
|
}
|
|
if (IsInComposedDoc()) {
|
|
OptionValueMightHaveChanged(aFirstNewContent);
|
|
if (InsideSelectedOption(aFirstNewContent, this)) {
|
|
SelectedContentTextMightHaveChanged();
|
|
}
|
|
}
|
|
} else if (GetValidityState(VALIDITY_STATE_VALUE_MISSING)) {
|
|
// If we add an already-selected option we might not be missing a value
|
|
// anymore.
|
|
UpdateValueMissingValidityState();
|
|
UpdateValidityElementStates(true);
|
|
}
|
|
}
|
|
|
|
void HTMLSelectElement::ContentAppended(nsIContent* aFirstNewContent,
|
|
const ContentAppendInfo&) {
|
|
ContentAppendedOrInserted(aFirstNewContent, true);
|
|
}
|
|
|
|
void HTMLSelectElement::ContentInserted(nsIContent* aChild,
|
|
const ContentInsertInfo&) {
|
|
ContentAppendedOrInserted(aChild, false);
|
|
}
|
|
|
|
JSObject* HTMLSelectElement::WrapNode(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto) {
|
|
return HTMLSelectElement_Binding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
HTMLSelectElement::~HTMLSelectElement() {
|
|
if (sLastSelectKeyHandler == uintptr_t(this)) {
|
|
sLastSelectKeyHandler = 0;
|
|
}
|
|
}
|
|
|
|
static constexpr int32_t kNothingSelected = -1;
|
|
static const uint32_t kMaxDropdownRows = 20;
|
|
|
|
class MOZ_RAII AutoIncrementalSearchResetter {
|
|
public:
|
|
explicit AutoIncrementalSearchResetter(HTMLSelectElement& aElement) {
|
|
if (sLastSelectKeyHandler != uintptr_t(&aElement)) {
|
|
sLastSelectKeyHandler = uintptr_t(&aElement);
|
|
GetIncrementalString().Truncate();
|
|
gLastKeyTime = TimeStamp::Now() -
|
|
TimeDuration::FromMilliseconds(
|
|
StaticPrefs::ui_menu_incremental_search_timeout() * 2);
|
|
}
|
|
}
|
|
~AutoIncrementalSearchResetter() {
|
|
if (!mResettingCancelled) {
|
|
GetIncrementalString().Truncate();
|
|
}
|
|
}
|
|
void CancelResetting() { mResettingCancelled = true; }
|
|
|
|
private:
|
|
bool mResettingCancelled = false;
|
|
};
|
|
|
|
int32_t HTMLSelectElement::GetEndSelectionIndex() const {
|
|
if (nsListControlFrame* lf = do_QueryFrame(GetPrimaryFrame())) {
|
|
return lf->GetEndSelectionIndex();
|
|
}
|
|
return SelectedIndex();
|
|
}
|
|
|
|
bool HTMLSelectElement::IsOptionInteractivelySelectable(uint32_t aIndex) const {
|
|
HTMLOptionElement* option = Item(aIndex);
|
|
return option && ::IsOptionInteractivelySelectable(*this, *option);
|
|
}
|
|
|
|
int32_t HTMLSelectElement::ItemsPerPage() const {
|
|
uint32_t size = [&] {
|
|
if (IsCombobox()) {
|
|
return kMaxDropdownRows;
|
|
}
|
|
if (nsListControlFrame* lf = do_QueryFrame(GetPrimaryFrame())) {
|
|
return lf->GetNumDisplayRows();
|
|
}
|
|
return Size();
|
|
}();
|
|
if (size <= 1) {
|
|
return 1;
|
|
}
|
|
if (MOZ_UNLIKELY(size > INT32_MAX)) {
|
|
return INT32_MAX - 1;
|
|
}
|
|
return AssertedCast<int32_t>(size - 1u);
|
|
}
|
|
|
|
void HTMLSelectElement::AdjustIndexForDisabledOpt(int32_t aStartIndex,
|
|
int32_t& aNewIndex,
|
|
int32_t aNumOptions,
|
|
int32_t aDoAdjustInc,
|
|
int32_t aDoAdjustIncNext) {
|
|
if (aNumOptions == 0) {
|
|
aNewIndex = kNothingSelected;
|
|
return;
|
|
}
|
|
|
|
bool doingReverse = false;
|
|
int32_t bottom = 0;
|
|
int32_t top = aNumOptions;
|
|
|
|
int32_t startIndex = aStartIndex;
|
|
if (startIndex < bottom) {
|
|
startIndex = SelectedIndex();
|
|
}
|
|
int32_t newIndex = startIndex + aDoAdjustInc;
|
|
|
|
if (newIndex < bottom) {
|
|
newIndex = 0;
|
|
} else if (newIndex >= top) {
|
|
newIndex = aNumOptions - 1;
|
|
}
|
|
|
|
while (true) {
|
|
if (IsOptionInteractivelySelectable(newIndex)) {
|
|
break;
|
|
}
|
|
|
|
newIndex += aDoAdjustIncNext;
|
|
|
|
if (newIndex < bottom) {
|
|
if (doingReverse) {
|
|
return;
|
|
}
|
|
newIndex = bottom;
|
|
aDoAdjustIncNext = 1;
|
|
doingReverse = true;
|
|
top = startIndex;
|
|
} else if (newIndex >= top) {
|
|
if (doingReverse) {
|
|
return;
|
|
}
|
|
newIndex = top - 1;
|
|
aDoAdjustIncNext = -1;
|
|
doingReverse = true;
|
|
bottom = startIndex;
|
|
}
|
|
}
|
|
|
|
aNewIndex = newIndex;
|
|
}
|
|
|
|
HTMLOptionElement* HTMLSelectElement::GetCurrentOption() const {
|
|
int32_t endIndex = GetEndSelectionIndex();
|
|
int32_t focusedIndex =
|
|
endIndex == kNothingSelected ? SelectedIndex() : endIndex;
|
|
if (focusedIndex != kNothingSelected) {
|
|
return Item(AssertedCast<uint32_t>(focusedIndex));
|
|
}
|
|
return GetNonDisabledOptionFrom(0);
|
|
}
|
|
|
|
HTMLOptionElement* HTMLSelectElement::GetNonDisabledOptionFrom(
|
|
int32_t aFromIndex, int32_t* aFoundIndex) const {
|
|
const uint32_t length = Length();
|
|
for (uint32_t i = std::max(aFromIndex, 0); i < length; ++i) {
|
|
if (IsOptionInteractivelySelectable(i)) {
|
|
if (aFoundIndex) {
|
|
*aFoundIndex = i;
|
|
}
|
|
return Item(i);
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void HTMLSelectElement::FireDropDownEvent(bool aShow,
|
|
bool aIsSourceTouchEvent) {
|
|
const auto eventName = [&] {
|
|
if (aShow) {
|
|
return aIsSourceTouchEvent ? u"mozshowdropdown-sourcetouch"_ns
|
|
: u"mozshowdropdown"_ns;
|
|
}
|
|
return u"mozhidedropdown"_ns;
|
|
}();
|
|
nsContentUtils::DispatchChromeEvent(OwnerDoc(), this, eventName,
|
|
CanBubble::eYes, Cancelable::eNo);
|
|
}
|
|
|
|
void HTMLSelectElement::PostHandleKeyEvent(int32_t aNewIndex,
|
|
uint32_t aCharCode, bool aIsShift,
|
|
bool aIsControlOrMeta) {
|
|
if (aNewIndex == kNothingSelected) {
|
|
int32_t endIndex = GetEndSelectionIndex();
|
|
int32_t focusedIndex =
|
|
endIndex == kNothingSelected ? SelectedIndex() : endIndex;
|
|
if (focusedIndex != kNothingSelected) {
|
|
return;
|
|
}
|
|
if (!GetNonDisabledOptionFrom(0, &aNewIndex)) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (IsCombobox()) {
|
|
RefPtr<HTMLOptionElement> newOption = Item(aNewIndex);
|
|
MOZ_ASSERT(newOption);
|
|
if (newOption->Selected()) {
|
|
return;
|
|
}
|
|
newOption->SetSelected(true);
|
|
UserFinishedInteracting(/* aChanged = */ true);
|
|
return;
|
|
}
|
|
if (nsListControlFrame* lf = GetListBoxFrame()) {
|
|
lf->UpdateSelectionAfterKeyEvent(aNewIndex, aCharCode, aIsShift,
|
|
aIsControlOrMeta, mControlSelectMode);
|
|
}
|
|
}
|
|
|
|
nsresult HTMLSelectElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
|
|
if (aVisitor.mEventStatus == nsEventStatus_eConsumeNoDefault) {
|
|
return NS_OK;
|
|
}
|
|
|
|
WidgetEvent* event = aVisitor.mEvent;
|
|
if (!event->IsTrusted()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
switch (event->mMessage) {
|
|
case eKeyDown:
|
|
return HandleKeyDown(aVisitor);
|
|
case eKeyPress:
|
|
return HandleKeyPress(aVisitor);
|
|
case eMouseDown:
|
|
if (event->DefaultPrevented()) {
|
|
return NS_OK;
|
|
}
|
|
return HandleMouseDown(aVisitor);
|
|
case eMouseUp:
|
|
// Don't try to honor defaultPrevented here - it's not web compatible.
|
|
// (bug 1194733)
|
|
return HandleMouseUp(aVisitor);
|
|
case eMouseMove:
|
|
return HandleMouseMove(aVisitor);
|
|
default:
|
|
break;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult HTMLSelectElement::HandleMouseDown(EventChainPostVisitor& aVisitor) {
|
|
if (IsDisabled()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
|
|
if (!mouseEvent) {
|
|
return NS_OK;
|
|
}
|
|
|
|
const bool isLeftButton = mouseEvent->mButton == MouseButton::ePrimary;
|
|
if (!isLeftButton) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (IsCombobox()) {
|
|
uint16_t inputSource = mouseEvent->mInputSource;
|
|
if (OpenInParentProcess()) {
|
|
nsCOMPtr<nsIContent> target =
|
|
nsIContent::FromEventTargetOrNull(aVisitor.mEvent->mOriginalTarget);
|
|
if (target && target->IsHTMLElement(nsGkAtoms::option)) {
|
|
return NS_OK;
|
|
}
|
|
}
|
|
const bool isSourceTouchEvent =
|
|
inputSource == MouseEvent_Binding::MOZ_SOURCE_TOUCH;
|
|
FireDropDownEvent(!OpenInParentProcess(), isSourceTouchEvent);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (nsListControlFrame* list = GetListBoxFrame()) {
|
|
mButtonDown = true;
|
|
return list->HandleLeftButtonMouseDown(*mouseEvent);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult HTMLSelectElement::HandleMouseUp(EventChainPostVisitor& aVisitor) {
|
|
mButtonDown = false;
|
|
|
|
if (IsDisabled()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (nsListControlFrame* lf = GetListBoxFrame()) {
|
|
lf->CaptureMouseEvents(false);
|
|
}
|
|
|
|
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
|
|
if (!mouseEvent) {
|
|
return NS_OK;
|
|
}
|
|
|
|
const bool isLeftButton = mouseEvent->mButton == MouseButton::ePrimary;
|
|
if (!isLeftButton) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (nsListControlFrame* lf = GetListBoxFrame()) {
|
|
return lf->HandleLeftButtonMouseUp();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult HTMLSelectElement::HandleMouseMove(EventChainPostVisitor& aVisitor) {
|
|
if (!mButtonDown) {
|
|
return NS_OK;
|
|
}
|
|
|
|
WidgetMouseEvent* mouseEvent = aVisitor.mEvent->AsMouseEvent();
|
|
if (!mouseEvent) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (nsListControlFrame* lf = GetListBoxFrame()) {
|
|
return lf->DragMove(*mouseEvent);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult HTMLSelectElement::HandleKeyPress(EventChainPostVisitor& aVisitor) {
|
|
if (IsDisabled()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
AutoIncrementalSearchResetter incrementalHandler(*this);
|
|
|
|
const WidgetKeyboardEvent* keyEvent = aVisitor.mEvent->AsKeyboardEvent();
|
|
MOZ_ASSERT(keyEvent,
|
|
"DOM event must have WidgetKeyboardEvent for its internal event");
|
|
|
|
if (keyEvent->DefaultPrevented()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (keyEvent->IsAlt()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// With some keyboard layout, space key causes non-ASCII space.
|
|
// So, the check in keydown event handler isn't enough, we need to check it
|
|
// again with keypress event.
|
|
if (keyEvent->mCharCode != ' ') {
|
|
mControlSelectMode = false;
|
|
}
|
|
|
|
const bool isCombobox = IsCombobox();
|
|
const bool isControlOrMeta = keyEvent->IsControl()
|
|
#if !defined(XP_WIN) && !defined(MOZ_WIDGET_GTK)
|
|
|| keyEvent->IsMeta()
|
|
#endif
|
|
;
|
|
if (isControlOrMeta && keyEvent->mCharCode != ' ') {
|
|
AutoShortcutKeyCandidateArray candidates;
|
|
keyEvent->GetShortcutKeyCandidates(candidates);
|
|
const bool isSelectAll =
|
|
Multiple() && !isCombobox &&
|
|
std::any_of(candidates.begin(), candidates.end(),
|
|
[](const ShortcutKeyCandidate& c) {
|
|
return c.mCharCode == 'a' || c.mCharCode == 'A';
|
|
});
|
|
if (isSelectAll) {
|
|
using OptionFlag = HTMLSelectElement::OptionFlag;
|
|
uint32_t numOptions = Length();
|
|
if (numOptions) {
|
|
HTMLSelectElement::OptionFlags mask = {
|
|
OptionFlag::IsSelected, OptionFlag::ClearAll, OptionFlag::Notify};
|
|
const bool wasChanged = SetOptionsSelectedByIndex(
|
|
0, AssertedCast<int32_t>(numOptions - 1), mask);
|
|
if (wasChanged) {
|
|
UserFinishedInteracting(/* aChanged = */ true);
|
|
}
|
|
}
|
|
aVisitor.mEvent->PreventDefault();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!keyEvent->mCharCode) {
|
|
if (keyEvent->mKeyCode == NS_VK_BACK) {
|
|
incrementalHandler.CancelResetting();
|
|
if (!GetIncrementalString().IsEmpty()) {
|
|
GetIncrementalString().Truncate(GetIncrementalString().Length() - 1);
|
|
}
|
|
aVisitor.mEvent->PreventDefault();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
incrementalHandler.CancelResetting();
|
|
|
|
aVisitor.mEvent->PreventDefault();
|
|
|
|
if ((keyEvent->mTimeStamp - gLastKeyTime).ToMilliseconds() >
|
|
StaticPrefs::ui_menu_incremental_search_timeout()) {
|
|
if (keyEvent->mCharCode == ' ') {
|
|
PostHandleKeyEvent(GetEndSelectionIndex(), keyEvent->mCharCode,
|
|
keyEvent->IsShift(), isControlOrMeta);
|
|
return NS_OK;
|
|
}
|
|
GetIncrementalString().Truncate();
|
|
}
|
|
|
|
gLastKeyTime = keyEvent->mTimeStamp;
|
|
|
|
char16_t uniChar = ToLowerCase(static_cast<char16_t>(keyEvent->mCharCode));
|
|
GetIncrementalString().Append(uniChar);
|
|
|
|
nsAutoString incrementalString(GetIncrementalString());
|
|
uint32_t charIndex = 1, stringLength = incrementalString.Length();
|
|
while (charIndex < stringLength &&
|
|
incrementalString[charIndex] == incrementalString[charIndex - 1]) {
|
|
charIndex++;
|
|
}
|
|
if (charIndex == stringLength) {
|
|
incrementalString.Truncate(1);
|
|
stringLength = 1;
|
|
}
|
|
|
|
int32_t startIndex = SelectedIndex();
|
|
if (startIndex == kNothingSelected) {
|
|
startIndex = 0;
|
|
} else if (stringLength == 1) {
|
|
startIndex++;
|
|
}
|
|
|
|
RefPtr<HTMLOptionsCollection> options = Options();
|
|
uint32_t numOptions = options->Length();
|
|
|
|
for (uint32_t i = 0; i < numOptions; ++i) {
|
|
uint32_t index = (i + startIndex) % numOptions;
|
|
RefPtr<HTMLOptionElement> optionElement = options->ItemAsOption(index);
|
|
if (!optionElement ||
|
|
!::IsOptionInteractivelySelectable(*this, *optionElement)) {
|
|
continue;
|
|
}
|
|
|
|
nsAutoString text;
|
|
optionElement->GetRenderedLabel(text);
|
|
if (!StringBeginsWith(
|
|
nsContentUtils::TrimWhitespace<
|
|
nsContentUtils::IsHTMLWhitespaceOrNBSP>(text, false),
|
|
incrementalString, nsCaseInsensitiveStringComparator)) {
|
|
continue;
|
|
}
|
|
|
|
if (isCombobox) {
|
|
if (optionElement->Selected()) {
|
|
return NS_OK;
|
|
}
|
|
optionElement->SetSelected(true);
|
|
UserFinishedInteracting(/* aChanged = */ true);
|
|
return NS_OK;
|
|
}
|
|
|
|
if (nsListControlFrame* lf = GetListBoxFrame()) {
|
|
bool wasChanged =
|
|
lf->PerformSelection(index, keyEvent->IsShift(), isControlOrMeta);
|
|
if (!wasChanged) {
|
|
return NS_OK;
|
|
}
|
|
UserFinishedInteracting(/* aChanged = */ true);
|
|
}
|
|
break;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult HTMLSelectElement::HandleKeyDown(EventChainPostVisitor& aVisitor) {
|
|
if (IsDisabled()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
AutoIncrementalSearchResetter incrementalHandler(*this);
|
|
|
|
if (aVisitor.mEvent->DefaultPrevented()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
const WidgetKeyboardEvent* keyEvent = aVisitor.mEvent->AsKeyboardEvent();
|
|
MOZ_ASSERT(keyEvent,
|
|
"DOM event must have WidgetKeyboardEvent for its internal event");
|
|
|
|
const bool isCombobox = IsCombobox();
|
|
bool dropDownMenuOnUpDown;
|
|
bool dropDownMenuOnSpace;
|
|
#ifdef XP_MACOSX
|
|
dropDownMenuOnUpDown = isCombobox && !OpenInParentProcess();
|
|
dropDownMenuOnSpace = isCombobox && !keyEvent->IsAlt() &&
|
|
!keyEvent->IsControl() && !keyEvent->IsMeta();
|
|
#else
|
|
dropDownMenuOnUpDown = isCombobox && keyEvent->IsAlt();
|
|
dropDownMenuOnSpace = isCombobox && !OpenInParentProcess();
|
|
#endif
|
|
bool withinIncrementalSearchTime =
|
|
(keyEvent->mTimeStamp - gLastKeyTime).ToMilliseconds() <=
|
|
StaticPrefs::ui_menu_incremental_search_timeout();
|
|
if ((dropDownMenuOnUpDown &&
|
|
(keyEvent->mKeyCode == NS_VK_UP || keyEvent->mKeyCode == NS_VK_DOWN)) ||
|
|
(dropDownMenuOnSpace && keyEvent->mKeyCode == NS_VK_SPACE &&
|
|
!withinIncrementalSearchTime)) {
|
|
FireDropDownEvent(!OpenInParentProcess(), false);
|
|
aVisitor.mEvent->PreventDefault();
|
|
return NS_OK;
|
|
}
|
|
if (keyEvent->IsAlt()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// We should not change the selection if the popup is "opened in the parent
|
|
// process" (even when we're in single-process mode).
|
|
const bool shouldSelect = !isCombobox || !OpenInParentProcess();
|
|
|
|
RefPtr<HTMLOptionsCollection> options = Options();
|
|
uint32_t numOptions = options->Length();
|
|
|
|
int32_t newIndex = kNothingSelected;
|
|
|
|
bool isControlOrMeta = keyEvent->IsControl()
|
|
#if !defined(XP_WIN) && !defined(MOZ_WIDGET_GTK)
|
|
|| keyEvent->IsMeta()
|
|
#endif
|
|
;
|
|
if (isControlOrMeta && !Multiple() &&
|
|
(keyEvent->mKeyCode == NS_VK_PAGE_UP ||
|
|
keyEvent->mKeyCode == NS_VK_PAGE_DOWN)) {
|
|
return NS_OK;
|
|
}
|
|
if (isControlOrMeta &&
|
|
(keyEvent->mKeyCode == NS_VK_UP || keyEvent->mKeyCode == NS_VK_LEFT ||
|
|
keyEvent->mKeyCode == NS_VK_DOWN || keyEvent->mKeyCode == NS_VK_RIGHT ||
|
|
keyEvent->mKeyCode == NS_VK_HOME || keyEvent->mKeyCode == NS_VK_END)) {
|
|
isControlOrMeta = mControlSelectMode = Multiple();
|
|
} else if (keyEvent->mKeyCode != NS_VK_SPACE) {
|
|
mControlSelectMode = false;
|
|
}
|
|
|
|
auto isVerticalRL = [this]() -> bool {
|
|
if (nsIFrame* f = GetPrimaryFrame()) {
|
|
return f->GetWritingMode().IsVerticalRL();
|
|
}
|
|
return false;
|
|
};
|
|
|
|
switch (keyEvent->mKeyCode) {
|
|
case NS_VK_UP:
|
|
if (shouldSelect) {
|
|
AdjustIndexForDisabledOpt(GetEndSelectionIndex(), newIndex,
|
|
int32_t(numOptions), -1, -1);
|
|
}
|
|
break;
|
|
case NS_VK_LEFT:
|
|
if (shouldSelect) {
|
|
int dir = isVerticalRL() ? 1 : -1;
|
|
AdjustIndexForDisabledOpt(GetEndSelectionIndex(), newIndex,
|
|
int32_t(numOptions), dir, dir);
|
|
}
|
|
break;
|
|
case NS_VK_DOWN:
|
|
if (shouldSelect) {
|
|
AdjustIndexForDisabledOpt(GetEndSelectionIndex(), newIndex,
|
|
int32_t(numOptions), 1, 1);
|
|
}
|
|
break;
|
|
case NS_VK_RIGHT:
|
|
if (shouldSelect) {
|
|
int dir = isVerticalRL() ? -1 : 1;
|
|
AdjustIndexForDisabledOpt(GetEndSelectionIndex(), newIndex,
|
|
int32_t(numOptions), dir, dir);
|
|
}
|
|
break;
|
|
case NS_VK_RETURN:
|
|
if (!Multiple()) {
|
|
return NS_OK;
|
|
}
|
|
newIndex = GetEndSelectionIndex();
|
|
break;
|
|
case NS_VK_PAGE_UP: {
|
|
if (shouldSelect) {
|
|
AdjustIndexForDisabledOpt(GetEndSelectionIndex(), newIndex,
|
|
int32_t(numOptions), -ItemsPerPage(), -1);
|
|
}
|
|
break;
|
|
}
|
|
case NS_VK_PAGE_DOWN: {
|
|
if (shouldSelect) {
|
|
AdjustIndexForDisabledOpt(GetEndSelectionIndex(), newIndex,
|
|
int32_t(numOptions), ItemsPerPage(), 1);
|
|
}
|
|
break;
|
|
}
|
|
case NS_VK_HOME:
|
|
if (shouldSelect) {
|
|
AdjustIndexForDisabledOpt(0, newIndex, int32_t(numOptions), 0, 1);
|
|
}
|
|
break;
|
|
case NS_VK_END:
|
|
if (shouldSelect) {
|
|
AdjustIndexForDisabledOpt(int32_t(numOptions) - 1, newIndex,
|
|
int32_t(numOptions), 0, -1);
|
|
}
|
|
break;
|
|
default:
|
|
incrementalHandler.CancelResetting();
|
|
return NS_OK;
|
|
}
|
|
|
|
aVisitor.mEvent->PreventDefault();
|
|
|
|
PostHandleKeyEvent(newIndex, 0, keyEvent->IsShift(), isControlOrMeta);
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace mozilla::dom
|