mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-08 19:04:45 +00:00
3569 lines
123 KiB
C++
3569 lines
123 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/ArrayUtils.h"
|
|
#include "mozilla/DeclarationBlock.h"
|
|
#include "mozilla/EditorBase.h"
|
|
#include "mozilla/EventDispatcher.h"
|
|
#include "mozilla/EventListenerManager.h"
|
|
#include "mozilla/EventStateManager.h"
|
|
#include "mozilla/HTMLEditor.h"
|
|
#include "mozilla/IMEContentObserver.h"
|
|
#include "mozilla/IMEStateManager.h"
|
|
#include "mozilla/MappedDeclarations.h"
|
|
#include "mozilla/Maybe.h"
|
|
#include "mozilla/Likely.h"
|
|
#include "mozilla/MouseEvents.h"
|
|
#include "mozilla/PresShell.h"
|
|
#include "mozilla/TextEditor.h"
|
|
#include "mozilla/TextEvents.h"
|
|
#include "mozilla/StaticPrefs_html5.h"
|
|
#include "mozilla/StaticPrefs_layout.h"
|
|
#include "mozilla/StaticPrefs_accessibility.h"
|
|
|
|
#include "nscore.h"
|
|
#include "nsGenericHTMLElement.h"
|
|
#include "nsAttrValueInlines.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsAtom.h"
|
|
#include "nsQueryObject.h"
|
|
#include "nsIContentInlines.h"
|
|
#include "mozilla/dom/BindContext.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "nsMappedAttributes.h"
|
|
#include "nsHTMLStyleSheet.h"
|
|
#include "nsPIDOMWindow.h"
|
|
#include "nsEscape.h"
|
|
#include "nsIFrameInlines.h"
|
|
#include "nsIScrollableFrame.h"
|
|
#include "nsView.h"
|
|
#include "nsViewManager.h"
|
|
#include "nsIWidget.h"
|
|
#include "nsRange.h"
|
|
#include "nsPresContext.h"
|
|
#include "nsNameSpaceManager.h"
|
|
#include "nsError.h"
|
|
#include "nsIPrincipal.h"
|
|
#include "nsContainerFrame.h"
|
|
#include "nsStyleUtil.h"
|
|
#include "ReferrerInfo.h"
|
|
|
|
#include "mozilla/PresState.h"
|
|
#include "nsILayoutHistoryState.h"
|
|
|
|
#include "nsHTMLParts.h"
|
|
#include "nsContentUtils.h"
|
|
#include "mozilla/dom/DirectionalityUtils.h"
|
|
#include "mozilla/dom/DocumentOrShadowRoot.h"
|
|
#include "nsString.h"
|
|
#include "nsUnicharUtils.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsDOMCSSDeclaration.h"
|
|
#include "nsITextControlFrame.h"
|
|
#include "nsIFormControl.h"
|
|
#include "mozilla/dom/HTMLFormElement.h"
|
|
#include "nsFocusManager.h"
|
|
|
|
#include "mozilla/InternalMutationEvent.h"
|
|
#include "nsDOMStringMap.h"
|
|
#include "nsDOMString.h"
|
|
|
|
#include "nsLayoutUtils.h"
|
|
#include "mozAutoDocUpdate.h"
|
|
#include "nsHtml5Module.h"
|
|
#include "mozilla/dom/DocumentInlines.h"
|
|
#include "mozilla/dom/ElementInlines.h"
|
|
#include "HTMLFieldSetElement.h"
|
|
#include "nsTextNode.h"
|
|
#include "HTMLBRElement.h"
|
|
#include "nsDOMMutationObserver.h"
|
|
#include "mozilla/Preferences.h"
|
|
#include "mozilla/dom/FromParser.h"
|
|
#include "mozilla/dom/Link.h"
|
|
#include "mozilla/BloomFilter.h"
|
|
#include "mozilla/dom/ScriptLoader.h"
|
|
|
|
#include "nsVariant.h"
|
|
#include "nsDOMTokenList.h"
|
|
#include "nsThreadUtils.h"
|
|
#include "nsTextFragment.h"
|
|
#include "mozilla/dom/BindingUtils.h"
|
|
#include "mozilla/dom/MouseEventBinding.h"
|
|
#include "mozilla/dom/ToggleEvent.h"
|
|
#include "mozilla/dom/TouchEvent.h"
|
|
#include "mozilla/ErrorResult.h"
|
|
#include "nsHTMLDocument.h"
|
|
#include "nsGlobalWindow.h"
|
|
#include "mozilla/dom/HTMLBodyElement.h"
|
|
#include "imgIContainer.h"
|
|
#include "nsComputedDOMStyle.h"
|
|
#include "mozilla/dom/HTMLDialogElement.h"
|
|
#include "mozilla/dom/HTMLLabelElement.h"
|
|
#include "mozilla/dom/HTMLInputElement.h"
|
|
#include "mozilla/dom/CustomElementRegistry.h"
|
|
#include "mozilla/dom/ElementBinding.h"
|
|
#include "mozilla/dom/ElementInternals.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::dom;
|
|
|
|
static const uint8_t NS_INPUTMODE_NONE = 1;
|
|
static const uint8_t NS_INPUTMODE_TEXT = 2;
|
|
static const uint8_t NS_INPUTMODE_TEL = 3;
|
|
static const uint8_t NS_INPUTMODE_URL = 4;
|
|
static const uint8_t NS_INPUTMODE_EMAIL = 5;
|
|
static const uint8_t NS_INPUTMODE_NUMERIC = 6;
|
|
static const uint8_t NS_INPUTMODE_DECIMAL = 7;
|
|
static const uint8_t NS_INPUTMODE_SEARCH = 8;
|
|
|
|
static const nsAttrValue::EnumTable kInputmodeTable[] = {
|
|
{"none", NS_INPUTMODE_NONE},
|
|
{"text", NS_INPUTMODE_TEXT},
|
|
{"tel", NS_INPUTMODE_TEL},
|
|
{"url", NS_INPUTMODE_URL},
|
|
{"email", NS_INPUTMODE_EMAIL},
|
|
{"numeric", NS_INPUTMODE_NUMERIC},
|
|
{"decimal", NS_INPUTMODE_DECIMAL},
|
|
{"search", NS_INPUTMODE_SEARCH},
|
|
{nullptr, 0}};
|
|
|
|
static const uint8_t NS_ENTERKEYHINT_ENTER = 1;
|
|
static const uint8_t NS_ENTERKEYHINT_DONE = 2;
|
|
static const uint8_t NS_ENTERKEYHINT_GO = 3;
|
|
static const uint8_t NS_ENTERKEYHINT_NEXT = 4;
|
|
static const uint8_t NS_ENTERKEYHINT_PREVIOUS = 5;
|
|
static const uint8_t NS_ENTERKEYHINT_SEARCH = 6;
|
|
static const uint8_t NS_ENTERKEYHINT_SEND = 7;
|
|
|
|
static const nsAttrValue::EnumTable kEnterKeyHintTable[] = {
|
|
{"enter", NS_ENTERKEYHINT_ENTER},
|
|
{"done", NS_ENTERKEYHINT_DONE},
|
|
{"go", NS_ENTERKEYHINT_GO},
|
|
{"next", NS_ENTERKEYHINT_NEXT},
|
|
{"previous", NS_ENTERKEYHINT_PREVIOUS},
|
|
{"search", NS_ENTERKEYHINT_SEARCH},
|
|
{"send", NS_ENTERKEYHINT_SEND},
|
|
{nullptr, 0}};
|
|
|
|
static const uint8_t NS_AUTOCAPITALIZE_NONE = 1;
|
|
static const uint8_t NS_AUTOCAPITALIZE_SENTENCES = 2;
|
|
static const uint8_t NS_AUTOCAPITALIZE_WORDS = 3;
|
|
static const uint8_t NS_AUTOCAPITALIZE_CHARACTERS = 4;
|
|
|
|
static const nsAttrValue::EnumTable kAutocapitalizeTable[] = {
|
|
{"none", NS_AUTOCAPITALIZE_NONE},
|
|
{"sentences", NS_AUTOCAPITALIZE_SENTENCES},
|
|
{"words", NS_AUTOCAPITALIZE_WORDS},
|
|
{"characters", NS_AUTOCAPITALIZE_CHARACTERS},
|
|
{"off", NS_AUTOCAPITALIZE_NONE},
|
|
{"on", NS_AUTOCAPITALIZE_SENTENCES},
|
|
{"", 0},
|
|
{nullptr, 0}};
|
|
|
|
static const nsAttrValue::EnumTable* kDefaultAutocapitalize =
|
|
&kAutocapitalizeTable[1];
|
|
|
|
nsresult nsGenericHTMLElement::CopyInnerTo(Element* aDst) {
|
|
MOZ_ASSERT(!aDst->GetUncomposedDoc(),
|
|
"Should not CopyInnerTo an Element in a document");
|
|
|
|
auto reparse = aDst->OwnerDoc() == OwnerDoc() ? ReparseAttributes::No
|
|
: ReparseAttributes::Yes;
|
|
nsresult rv = Element::CopyInnerTo(aDst, reparse);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// cloning a node must retain its internal nonce slot
|
|
nsString* nonce = static_cast<nsString*>(GetProperty(nsGkAtoms::nonce));
|
|
if (nonce) {
|
|
static_cast<nsGenericHTMLElement*>(aDst)->SetNonce(*nonce);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
static const nsAttrValue::EnumTable kDirTable[] = {
|
|
{"ltr", eDir_LTR}, {"rtl", eDir_RTL}, {"auto", eDir_Auto}, {nullptr, 0}};
|
|
|
|
namespace {
|
|
// See <https://html.spec.whatwg.org/#the-popover-attribute>.
|
|
enum class PopoverAttributeKeyword : uint8_t { Auto, EmptyString, Manual };
|
|
|
|
static const char* kPopoverAttributeValueAuto = "auto";
|
|
static const char* kPopoverAttributeValueEmptyString = "";
|
|
static const char* kPopoverAttributeValueManual = "manual";
|
|
|
|
static const nsAttrValue::EnumTable kPopoverTable[] = {
|
|
{kPopoverAttributeValueAuto, PopoverAttributeKeyword::Auto},
|
|
{kPopoverAttributeValueEmptyString, PopoverAttributeKeyword::EmptyString},
|
|
{kPopoverAttributeValueManual, PopoverAttributeKeyword::Manual},
|
|
{nullptr, 0}};
|
|
|
|
// See <https://html.spec.whatwg.org/#the-popover-attribute>.
|
|
static const nsAttrValue::EnumTable* kPopoverTableInvalidValueDefault =
|
|
&kPopoverTable[2];
|
|
} // namespace
|
|
|
|
void nsGenericHTMLElement::AddToNameTable(nsAtom* aName) {
|
|
MOZ_ASSERT(HasName(), "Node doesn't have name?");
|
|
Document* doc = GetUncomposedDoc();
|
|
if (doc && !IsInNativeAnonymousSubtree()) {
|
|
doc->AddToNameTable(this, aName);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::RemoveFromNameTable() {
|
|
if (HasName() && CanHaveName(NodeInfo()->NameAtom())) {
|
|
if (Document* doc = GetUncomposedDoc()) {
|
|
doc->RemoveFromNameTable(this,
|
|
GetParsedAttr(nsGkAtoms::name)->GetAtomValue());
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::GetAccessKeyLabel(nsString& aLabel) {
|
|
nsAutoString suffix;
|
|
GetAccessKey(suffix);
|
|
if (!suffix.IsEmpty()) {
|
|
EventStateManager::GetAccessKeyLabelPrefix(this, aLabel);
|
|
aLabel.Append(suffix);
|
|
}
|
|
}
|
|
|
|
static bool IsOffsetParent(nsIFrame* aFrame) {
|
|
LayoutFrameType frameType = aFrame->Type();
|
|
|
|
if (frameType == LayoutFrameType::TableCell ||
|
|
frameType == LayoutFrameType::Table) {
|
|
// Per the IDL for Element, only td, th, and table are acceptable
|
|
// offsetParents apart from body or positioned elements; we need to check
|
|
// the content type as well as the frame type so we ignore anonymous tables
|
|
// created by an element with display: table-cell with no actual table
|
|
nsIContent* content = aFrame->GetContent();
|
|
|
|
return content->IsAnyOfHTMLElements(nsGkAtoms::table, nsGkAtoms::td,
|
|
nsGkAtoms::th);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
struct OffsetResult {
|
|
Element* mParent = nullptr;
|
|
CSSIntRect mRect;
|
|
};
|
|
|
|
static OffsetResult GetUnretargetedOffsetsFor(const Element& aElement) {
|
|
nsIFrame* frame = aElement.GetPrimaryFrame();
|
|
if (!frame) {
|
|
return {};
|
|
}
|
|
|
|
nsIFrame* styleFrame = nsLayoutUtils::GetStyleFrame(frame);
|
|
|
|
nsIFrame* parent = frame->GetParent();
|
|
nsPoint origin(0, 0);
|
|
|
|
nsIContent* offsetParent = nullptr;
|
|
Element* docElement = aElement.GetComposedDoc()->GetRootElement();
|
|
nsIContent* content = frame->GetContent();
|
|
|
|
if (content &&
|
|
(content->IsHTMLElement(nsGkAtoms::body) || content == docElement)) {
|
|
parent = frame;
|
|
} else {
|
|
const bool isPositioned = styleFrame->IsAbsPosContainingBlock();
|
|
const bool isAbsolutelyPositioned = frame->IsAbsolutelyPositioned();
|
|
origin += frame->GetPositionIgnoringScrolling();
|
|
|
|
for (; parent; parent = parent->GetParent()) {
|
|
content = parent->GetContent();
|
|
|
|
// Stop at the first ancestor that is positioned.
|
|
if (parent->IsAbsPosContainingBlock()) {
|
|
offsetParent = content;
|
|
break;
|
|
}
|
|
|
|
// Add the parent's origin to our own to get to the
|
|
// right coordinate system.
|
|
const bool isOffsetParent = !isPositioned && IsOffsetParent(parent);
|
|
if (!isOffsetParent) {
|
|
origin += parent->GetPositionIgnoringScrolling();
|
|
}
|
|
|
|
if (content) {
|
|
// If we've hit the document element, break here.
|
|
if (content == docElement) {
|
|
break;
|
|
}
|
|
|
|
// Break if the ancestor frame type makes it suitable as offset parent
|
|
// and this element is *not* positioned or if we found the body element.
|
|
if (isOffsetParent || content->IsHTMLElement(nsGkAtoms::body)) {
|
|
offsetParent = content;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isAbsolutelyPositioned && !offsetParent) {
|
|
// If this element is absolutely positioned, but we don't have
|
|
// an offset parent it means this element is an absolutely
|
|
// positioned child that's not nested inside another positioned
|
|
// element, in this case the element's frame's parent is the
|
|
// frame for the HTML element so we fail to find the body in the
|
|
// parent chain. We want the offset parent in this case to be
|
|
// the body, so we just get the body element from the document.
|
|
//
|
|
// We use GetBodyElement() here, not GetBody(), because we don't want to
|
|
// end up with framesets here.
|
|
offsetParent = aElement.GetComposedDoc()->GetBodyElement();
|
|
}
|
|
}
|
|
|
|
// Make the position relative to the padding edge.
|
|
if (parent) {
|
|
const nsStyleBorder* border = parent->StyleBorder();
|
|
origin.x -= border->GetComputedBorderWidth(eSideLeft);
|
|
origin.y -= border->GetComputedBorderWidth(eSideTop);
|
|
}
|
|
|
|
// Get the union of all rectangles in this and continuation frames.
|
|
// It doesn't really matter what we use as aRelativeTo here, since
|
|
// we only care about the size. We just have to use something non-null.
|
|
nsRect rcFrame = nsLayoutUtils::GetAllInFlowRectsUnion(frame, frame);
|
|
rcFrame.MoveTo(origin);
|
|
return {Element::FromNodeOrNull(offsetParent),
|
|
CSSIntRect::FromAppUnitsRounded(rcFrame)};
|
|
}
|
|
|
|
static bool ShouldBeRetargeted(const Element& aReferenceElement,
|
|
const Element& aElementToMaybeRetarget) {
|
|
ShadowRoot* shadow = aElementToMaybeRetarget.GetContainingShadow();
|
|
if (!shadow) {
|
|
return false;
|
|
}
|
|
for (ShadowRoot* scope = aReferenceElement.GetContainingShadow(); scope;
|
|
scope = scope->Host()->GetContainingShadow()) {
|
|
if (scope == shadow) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
Element* nsGenericHTMLElement::GetOffsetRect(CSSIntRect& aRect) {
|
|
aRect = CSSIntRect();
|
|
|
|
if (!GetPrimaryFrame(FlushType::Layout)) {
|
|
return nullptr;
|
|
}
|
|
|
|
OffsetResult thisResult = GetUnretargetedOffsetsFor(*this);
|
|
aRect = thisResult.mRect;
|
|
|
|
Element* parent = thisResult.mParent;
|
|
while (parent && ShouldBeRetargeted(*this, *parent)) {
|
|
OffsetResult result = GetUnretargetedOffsetsFor(*parent);
|
|
aRect += result.mRect.TopLeft();
|
|
parent = result.mParent;
|
|
}
|
|
|
|
return parent;
|
|
}
|
|
|
|
bool nsGenericHTMLElement::Spellcheck() {
|
|
// Has the state has been explicitly set?
|
|
nsIContent* node;
|
|
for (node = this; node; node = node->GetParent()) {
|
|
if (node->IsHTMLElement()) {
|
|
static Element::AttrValuesArray strings[] = {nsGkAtoms::_true,
|
|
nsGkAtoms::_false, nullptr};
|
|
switch (node->AsElement()->FindAttrValueIn(
|
|
kNameSpaceID_None, nsGkAtoms::spellcheck, strings, eCaseMatters)) {
|
|
case 0: // spellcheck = "true"
|
|
return true;
|
|
case 1: // spellcheck = "false"
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// contenteditable/designMode are spellchecked by default
|
|
if (IsEditable()) {
|
|
return true;
|
|
}
|
|
|
|
// Is this a chrome element?
|
|
if (nsContentUtils::IsChromeDoc(OwnerDoc())) {
|
|
return false; // Not spellchecked by default
|
|
}
|
|
|
|
// Anything else that's not a form control is not spellchecked by default
|
|
nsCOMPtr<nsIFormControl> formControl = do_QueryObject(this);
|
|
if (!formControl) {
|
|
return false; // Not spellchecked by default
|
|
}
|
|
|
|
// Is this a multiline plaintext input?
|
|
auto controlType = formControl->ControlType();
|
|
if (controlType == FormControlType::Textarea) {
|
|
return true; // Spellchecked by default
|
|
}
|
|
|
|
// Is this anything other than an input text?
|
|
// Other inputs are not spellchecked.
|
|
if (controlType != FormControlType::InputText) {
|
|
return false; // Not spellchecked by default
|
|
}
|
|
|
|
// Does the user want input text spellchecked by default?
|
|
// NOTE: Do not reflect a pref value of 0 back to the DOM getter.
|
|
// The web page should not know if the user has disabled spellchecking.
|
|
// We'll catch this in the editor itself.
|
|
int32_t spellcheckLevel = Preferences::GetInt("layout.spellcheckDefault", 1);
|
|
return spellcheckLevel == 2; // "Spellcheck multi- and single-line"
|
|
}
|
|
|
|
bool nsGenericHTMLElement::InNavQuirksMode(Document* aDoc) {
|
|
return aDoc && aDoc->GetCompatibilityMode() == eCompatibility_NavQuirks;
|
|
}
|
|
|
|
void nsGenericHTMLElement::UpdateEditableState(bool aNotify) {
|
|
// XXX Should we do this only when in a document?
|
|
ContentEditableTristate value = GetContentEditableValue();
|
|
if (value != eInherit) {
|
|
DoSetEditableFlag(!!value, aNotify);
|
|
return;
|
|
}
|
|
|
|
nsStyledElement::UpdateEditableState(aNotify);
|
|
}
|
|
|
|
ElementState nsGenericHTMLElement::IntrinsicState() const {
|
|
ElementState state = nsGenericHTMLElementBase::IntrinsicState();
|
|
|
|
if (GetDirectionality() == eDir_RTL) {
|
|
state |= ElementState::RTL;
|
|
state &= ~ElementState::LTR;
|
|
} else { // at least for HTML, directionality is exclusively LTR or RTL
|
|
NS_ASSERTION(GetDirectionality() == eDir_LTR,
|
|
"HTML element's directionality must be either RTL or LTR");
|
|
state |= ElementState::LTR;
|
|
state &= ~ElementState::RTL;
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
nsresult nsGenericHTMLElement::BindToTree(BindContext& aContext,
|
|
nsINode& aParent) {
|
|
nsresult rv = nsGenericHTMLElementBase::BindToTree(aContext, aParent);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (IsInComposedDoc()) {
|
|
RegUnRegAccessKey(true);
|
|
}
|
|
|
|
if (IsInUncomposedDoc()) {
|
|
if (HasName() && CanHaveName(NodeInfo()->NameAtom())) {
|
|
aContext.OwnerDoc().AddToNameTable(
|
|
this, GetParsedAttr(nsGkAtoms::name)->GetAtomValue());
|
|
}
|
|
}
|
|
|
|
if (HasFlag(NODE_IS_EDITABLE) && GetContentEditableValue() == eTrue &&
|
|
IsInComposedDoc()) {
|
|
aContext.OwnerDoc().ChangeContentEditableCount(this, +1);
|
|
}
|
|
|
|
// Hide any nonce from the DOM, but keep the internal value of the
|
|
// nonce by copying and resetting the internal nonce value.
|
|
if (HasFlag(NODE_HAS_NONCE_AND_HEADER_CSP) && IsInComposedDoc() &&
|
|
OwnerDoc()->GetBrowsingContext()) {
|
|
nsContentUtils::AddScriptRunner(NS_NewRunnableFunction(
|
|
"nsGenericHTMLElement::ResetNonce::Runnable",
|
|
[self = RefPtr<nsGenericHTMLElement>(this)]() {
|
|
nsAutoString nonce;
|
|
self->GetNonce(nonce);
|
|
self->SetAttr(kNameSpaceID_None, nsGkAtoms::nonce, u""_ns, true);
|
|
self->SetNonce(nonce);
|
|
}));
|
|
}
|
|
|
|
// We need to consider a labels element is moved to another subtree
|
|
// with different root, it needs to update labels list and its root
|
|
// as well.
|
|
nsExtendedDOMSlots* slots = GetExistingExtendedDOMSlots();
|
|
if (slots && slots->mLabelsList) {
|
|
slots->mLabelsList->MaybeResetRoot(SubtreeRoot());
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
void nsGenericHTMLElement::UnbindFromTree(bool aNullParent) {
|
|
if (IsInComposedDoc()) {
|
|
// https://html.spec.whatwg.org/#dom-trees:hide-popover-algorithm
|
|
// If removedNode's popover attribute is not in the no popover state, then
|
|
// run the hide popover algorithm given removedNode, false, false, and
|
|
// false.
|
|
if (GetPopoverData()) {
|
|
HidePopoverWithoutRunningScript();
|
|
}
|
|
RegUnRegAccessKey(false);
|
|
}
|
|
|
|
RemoveFromNameTable();
|
|
|
|
if (GetContentEditableValue() == eTrue) {
|
|
Document* doc = GetComposedDoc();
|
|
if (doc) {
|
|
doc->ChangeContentEditableCount(this, -1);
|
|
}
|
|
}
|
|
|
|
nsStyledElement::UnbindFromTree(aNullParent);
|
|
|
|
// Invalidate .labels list. It will be repopulated when used the next time.
|
|
nsExtendedDOMSlots* slots = GetExistingExtendedDOMSlots();
|
|
if (slots && slots->mLabelsList) {
|
|
slots->mLabelsList->MaybeResetRoot(SubtreeRoot());
|
|
}
|
|
}
|
|
|
|
HTMLFormElement* nsGenericHTMLElement::FindAncestorForm(
|
|
HTMLFormElement* aCurrentForm) {
|
|
NS_ASSERTION(!HasAttr(kNameSpaceID_None, nsGkAtoms::form) ||
|
|
IsHTMLElement(nsGkAtoms::img),
|
|
"FindAncestorForm should not be called if @form is set!");
|
|
if (IsInNativeAnonymousSubtree()) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsIContent* content = this;
|
|
while (content) {
|
|
// If the current ancestor is a form, return it as our form
|
|
if (content->IsHTMLElement(nsGkAtoms::form)) {
|
|
#ifdef DEBUG
|
|
if (!nsContentUtils::IsInSameAnonymousTree(this, content)) {
|
|
// It's possible that we started unbinding at |content| or
|
|
// some ancestor of it, and |content| and |this| used to all be
|
|
// anonymous. Check for this the hard way.
|
|
for (nsIContent* child = this; child != content;
|
|
child = child->GetParent()) {
|
|
NS_ASSERTION(child->ComputeIndexInParentContent().isSome(),
|
|
"Walked too far?");
|
|
}
|
|
}
|
|
#endif
|
|
return static_cast<HTMLFormElement*>(content);
|
|
}
|
|
|
|
nsIContent* prevContent = content;
|
|
content = prevContent->GetParent();
|
|
|
|
if (!content && aCurrentForm) {
|
|
// We got to the root of the subtree we're in, and we're being removed
|
|
// from the DOM (the only time we get into this method with a non-null
|
|
// aCurrentForm). Check whether aCurrentForm is in the same subtree. If
|
|
// it is, we want to return aCurrentForm, since this case means that
|
|
// we're one of those inputs-in-a-table that have a hacked mForm pointer
|
|
// and a subtree containing both us and the form got removed from the
|
|
// DOM.
|
|
if (aCurrentForm->IsInclusiveDescendantOf(prevContent)) {
|
|
return aCurrentForm;
|
|
}
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool nsGenericHTMLElement::CheckHandleEventForAnchorsPreconditions(
|
|
EventChainVisitor& aVisitor) {
|
|
MOZ_ASSERT(nsCOMPtr<Link>(do_QueryObject(this)),
|
|
"should be called only when |this| implements |Link|");
|
|
// When disconnected, only <a> should navigate away per
|
|
// https://html.spec.whatwg.org/#cannot-navigate
|
|
return IsInComposedDoc() || IsHTMLElement(nsGkAtoms::a);
|
|
}
|
|
|
|
void nsGenericHTMLElement::GetEventTargetParentForAnchors(
|
|
EventChainPreVisitor& aVisitor) {
|
|
nsGenericHTMLElementBase::GetEventTargetParent(aVisitor);
|
|
|
|
if (!CheckHandleEventForAnchorsPreconditions(aVisitor)) {
|
|
return;
|
|
}
|
|
|
|
GetEventTargetParentForLinks(aVisitor);
|
|
}
|
|
|
|
nsresult nsGenericHTMLElement::PostHandleEventForAnchors(
|
|
EventChainPostVisitor& aVisitor) {
|
|
if (!CheckHandleEventForAnchorsPreconditions(aVisitor)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
return PostHandleEventForLinks(aVisitor);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsHTMLLink(nsIURI** aURI) const {
|
|
MOZ_ASSERT(aURI, "Must provide aURI out param");
|
|
|
|
*aURI = GetHrefURIForAnchors().take();
|
|
// We promise out param is non-null if we return true, so base rv on it
|
|
return *aURI != nullptr;
|
|
}
|
|
|
|
already_AddRefed<nsIURI> nsGenericHTMLElement::GetHrefURIForAnchors() const {
|
|
// This is used by the three Link implementations and
|
|
// nsHTMLStyleElement.
|
|
|
|
// Get href= attribute (relative URI).
|
|
|
|
// We use the nsAttrValue's copy of the URI string to avoid copying.
|
|
nsCOMPtr<nsIURI> uri;
|
|
GetURIAttr(nsGkAtoms::href, nullptr, getter_AddRefs(uri));
|
|
|
|
return uri.forget();
|
|
}
|
|
|
|
void nsGenericHTMLElement::BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
bool aNotify) {
|
|
if (aNamespaceID == kNameSpaceID_None) {
|
|
if (aName == nsGkAtoms::accesskey) {
|
|
// Have to unregister before clearing flag. See UnregAccessKey
|
|
RegUnRegAccessKey(false);
|
|
if (!aValue) {
|
|
UnsetFlags(NODE_HAS_ACCESSKEY);
|
|
}
|
|
} else if (aName == nsGkAtoms::name) {
|
|
// Have to do this before clearing flag. See RemoveFromNameTable
|
|
RemoveFromNameTable();
|
|
if (!aValue || aValue->IsEmptyString()) {
|
|
ClearHasName();
|
|
}
|
|
} else if (aName == nsGkAtoms::contenteditable) {
|
|
if (aValue) {
|
|
// Set this before the attribute is set so that any subclass code that
|
|
// runs before the attribute is set won't think we're missing a
|
|
// contenteditable attr when we actually have one.
|
|
SetMayHaveContentEditableAttr();
|
|
}
|
|
}
|
|
if (!aValue && IsEventAttributeName(aName)) {
|
|
if (EventListenerManager* manager = GetExistingListenerManager()) {
|
|
manager->RemoveEventHandler(GetEventNameForAttr(aName));
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLElementBase::BeforeSetAttr(aNamespaceID, aName, aValue,
|
|
aNotify);
|
|
}
|
|
|
|
namespace {
|
|
constexpr PopoverAttributeState ToPopoverAttributeState(
|
|
PopoverAttributeKeyword aPopoverAttributeKeyword) {
|
|
// See <https://html.spec.whatwg.org/#the-popover-attribute>.
|
|
switch (aPopoverAttributeKeyword) {
|
|
case PopoverAttributeKeyword::Auto:
|
|
return PopoverAttributeState::Auto;
|
|
case PopoverAttributeKeyword::EmptyString:
|
|
return PopoverAttributeState::Auto;
|
|
case PopoverAttributeKeyword::Manual:
|
|
return PopoverAttributeState::Manual;
|
|
default: {
|
|
MOZ_ASSERT_UNREACHABLE();
|
|
return PopoverAttributeState::None;
|
|
}
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
void nsGenericHTMLElement::AfterSetPopoverAttr() {
|
|
const nsAttrValue* newValue = GetParsedAttr(nsGkAtoms::popover);
|
|
|
|
const PopoverAttributeState newState = [&newValue]() {
|
|
if (newValue) {
|
|
MOZ_ASSERT(newValue->Type() == nsAttrValue::eEnum);
|
|
const auto popoverAttributeKeyword =
|
|
static_cast<PopoverAttributeKeyword>(newValue->GetEnumValue());
|
|
return ToPopoverAttributeState(popoverAttributeKeyword);
|
|
}
|
|
|
|
// The missing value default is the no popover state, see
|
|
// <https://html.spec.whatwg.org/multipage/popover.html#attr-popover>.
|
|
return PopoverAttributeState::None;
|
|
}();
|
|
|
|
const PopoverAttributeState oldState = GetPopoverAttributeState();
|
|
|
|
if (newState != oldState) {
|
|
EnsurePopoverData().SetPopoverAttributeState(newState);
|
|
|
|
HidePopoverInternal(/* aFocusPreviousElement = */ true,
|
|
/* aFireEvents = */ true, IgnoreErrors());
|
|
|
|
// In case `HidePopoverInternal` changed the state, keep the corresponding
|
|
// changes and don't overwrite anything here.
|
|
if (newState == GetPopoverAttributeState()) {
|
|
if (newState == PopoverAttributeState::None) {
|
|
// `HidePopoverInternal` above didn't remove the element from the top
|
|
// layer, because in that call, the element's popover attribute state
|
|
// was already `None`. Revisit this, when the spec is corrected
|
|
// (bug 1835811).
|
|
OwnerDoc()->RemovePopoverFromTopLayer(*this);
|
|
|
|
ClearPopoverData();
|
|
RemoveStates(ElementState::POPOVER_OPEN);
|
|
} else {
|
|
// TODO: what if `HidePopoverInternal` called `ShowPopup()`?
|
|
PopoverPseudoStateUpdate(false, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
const nsAttrValue* aOldValue,
|
|
nsIPrincipal* aMaybeScriptedPrincipal,
|
|
bool aNotify) {
|
|
if (aNamespaceID == kNameSpaceID_None) {
|
|
if (IsEventAttributeName(aName) && aValue) {
|
|
MOZ_ASSERT(aValue->Type() == nsAttrValue::eString,
|
|
"Expected string value for script body");
|
|
SetEventHandler(GetEventNameForAttr(aName), aValue->GetStringValue());
|
|
} else if (aNotify && aName == nsGkAtoms::spellcheck) {
|
|
SyncEditorsOnSubtree(this);
|
|
} else if (aName == nsGkAtoms::popover &&
|
|
StaticPrefs::dom_element_popover_enabled()) {
|
|
nsContentUtils::AddScriptRunner(
|
|
NewRunnableMethod("nsGenericHTMLElement::AfterSetPopoverAttr", this,
|
|
&nsGenericHTMLElement::AfterSetPopoverAttr));
|
|
} else if (aName == nsGkAtoms::dir) {
|
|
Directionality dir = eDir_LTR;
|
|
// A boolean tracking whether we need to recompute our directionality.
|
|
// This needs to happen after we update our internal "dir" attribute
|
|
// state but before we call SetDirectionalityOnDescendants.
|
|
bool recomputeDirectionality = false;
|
|
// We don't want to have to keep getting the "dir" attribute in
|
|
// IntrinsicState, so we manually recompute our dir-related event states
|
|
// here and send the relevant update notifications.
|
|
ElementState dirStates;
|
|
if (aValue && aValue->Type() == nsAttrValue::eEnum) {
|
|
SetHasValidDir();
|
|
dirStates |= ElementState::HAS_DIR_ATTR;
|
|
Directionality dirValue = (Directionality)aValue->GetEnumValue();
|
|
if (dirValue == eDir_Auto) {
|
|
dirStates |= ElementState::HAS_DIR_ATTR_LIKE_AUTO;
|
|
} else {
|
|
dir = dirValue;
|
|
SetDirectionality(dir, aNotify);
|
|
if (dirValue == eDir_LTR) {
|
|
dirStates |= ElementState::HAS_DIR_ATTR_LTR;
|
|
} else {
|
|
MOZ_ASSERT(dirValue == eDir_RTL);
|
|
dirStates |= ElementState::HAS_DIR_ATTR_RTL;
|
|
}
|
|
}
|
|
} else {
|
|
if (aValue) {
|
|
// We have a value, just not a valid one.
|
|
dirStates |= ElementState::HAS_DIR_ATTR;
|
|
}
|
|
ClearHasValidDir();
|
|
if (NodeInfo()->Equals(nsGkAtoms::bdi)) {
|
|
dirStates |= ElementState::HAS_DIR_ATTR_LIKE_AUTO;
|
|
} else {
|
|
recomputeDirectionality = true;
|
|
}
|
|
}
|
|
// Now figure out what's changed about our dir states.
|
|
ElementState oldDirStates = State() & ElementState::DIR_ATTR_STATES;
|
|
ElementState changedStates = dirStates ^ oldDirStates;
|
|
ToggleStates(changedStates, aNotify);
|
|
if (recomputeDirectionality) {
|
|
dir = RecomputeDirectionality(this, aNotify);
|
|
}
|
|
SetDirectionalityOnDescendants(this, dir, aNotify);
|
|
} else if (aName == nsGkAtoms::contenteditable) {
|
|
int32_t editableCountDelta = 0;
|
|
if (aOldValue && (aOldValue->Equals(u"true"_ns, eIgnoreCase) ||
|
|
aOldValue->Equals(u""_ns, eIgnoreCase))) {
|
|
editableCountDelta = -1;
|
|
}
|
|
if (aValue && (aValue->Equals(u"true"_ns, eIgnoreCase) ||
|
|
aValue->Equals(u""_ns, eIgnoreCase))) {
|
|
++editableCountDelta;
|
|
}
|
|
ChangeEditableState(editableCountDelta);
|
|
} else if (aName == nsGkAtoms::accesskey) {
|
|
if (aValue && !aValue->Equals(u""_ns, eIgnoreCase)) {
|
|
SetFlags(NODE_HAS_ACCESSKEY);
|
|
RegUnRegAccessKey(true);
|
|
}
|
|
} else if (aName == nsGkAtoms::inert &&
|
|
StaticPrefs::html5_inert_enabled()) {
|
|
if (aValue) {
|
|
AddStates(ElementState::INERT);
|
|
} else {
|
|
RemoveStates(ElementState::INERT);
|
|
}
|
|
} else if (aName == nsGkAtoms::name) {
|
|
if (aValue && !aValue->Equals(u""_ns, eIgnoreCase)) {
|
|
// This may not be quite right because we can have subclass code run
|
|
// before here. But in practice subclasses don't care about this flag,
|
|
// and in particular selector matching does not care. Otherwise we'd
|
|
// want to handle it like we handle id attributes (in PreIdMaybeChange
|
|
// and PostIdMaybeChange).
|
|
SetHasName();
|
|
if (CanHaveName(NodeInfo()->NameAtom())) {
|
|
AddToNameTable(aValue->GetAtomValue());
|
|
}
|
|
}
|
|
} else if ((aName == nsGkAtoms::inputmode &&
|
|
StaticPrefs::dom_forms_inputmode()) ||
|
|
(aName == nsGkAtoms::enterkeyhint &&
|
|
StaticPrefs::dom_forms_enterkeyhint())) {
|
|
nsPIDOMWindowOuter* window = OwnerDoc()->GetWindow();
|
|
if (window && window->GetFocusedElement() == this) {
|
|
if (IMEContentObserver* observer =
|
|
IMEStateManager::GetActiveContentObserver()) {
|
|
if (const nsPresContext* presContext =
|
|
GetPresContext(eForComposedDoc)) {
|
|
if (observer->IsManaging(*presContext, this)) {
|
|
if (RefPtr<EditorBase> editor =
|
|
nsContentUtils::GetActiveEditor(window)) {
|
|
IMEState newState;
|
|
editor->GetPreferredIMEState(&newState);
|
|
OwningNonNull<nsGenericHTMLElement> kungFuDeathGrip(*this);
|
|
IMEStateManager::UpdateIMEState(
|
|
newState, kungFuDeathGrip, *editor,
|
|
{IMEStateManager::UpdateIMEStateOption::ForceUpdate,
|
|
IMEStateManager::UpdateIMEStateOption::
|
|
DontCommitComposition});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// The nonce will be copied over to an internal slot and cleared from the
|
|
// Element within BindToTree to avoid CSS Selector nonce exfiltration if
|
|
// the CSP list contains a header-delivered CSP.
|
|
if (nsGkAtoms::nonce == aName) {
|
|
if (aValue) {
|
|
SetNonce(aValue->GetStringValue());
|
|
if (OwnerDoc()->GetHasCSPDeliveredThroughHeader()) {
|
|
SetFlags(NODE_HAS_NONCE_AND_HEADER_CSP);
|
|
}
|
|
} else {
|
|
RemoveNonce();
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLElementBase::AfterSetAttr(
|
|
aNamespaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
|
|
}
|
|
|
|
EventListenerManager* nsGenericHTMLElement::GetEventListenerManagerForAttr(
|
|
nsAtom* aAttrName, bool* aDefer) {
|
|
// Attributes on the body and frameset tags get set on the global object
|
|
if ((mNodeInfo->Equals(nsGkAtoms::body) ||
|
|
mNodeInfo->Equals(nsGkAtoms::frameset)) &&
|
|
// We only forward some event attributes from body/frameset to window
|
|
(0
|
|
#define EVENT(name_, id_, type_, struct_) /* nothing */
|
|
#define FORWARDED_EVENT(name_, id_, type_, struct_) \
|
|
|| nsGkAtoms::on##name_ == aAttrName
|
|
#define WINDOW_EVENT FORWARDED_EVENT
|
|
#include "mozilla/EventNameList.h" // IWYU pragma: keep
|
|
#undef WINDOW_EVENT
|
|
#undef FORWARDED_EVENT
|
|
#undef EVENT
|
|
)) {
|
|
nsPIDOMWindowInner* win;
|
|
|
|
// If we have a document, and it has a window, add the event
|
|
// listener on the window (the inner window). If not, proceed as
|
|
// normal.
|
|
// XXXbz sXBL/XBL2 issue: should we instead use GetComposedDoc() here,
|
|
// override BindToTree for those classes and munge event listeners there?
|
|
Document* document = OwnerDoc();
|
|
|
|
*aDefer = false;
|
|
if ((win = document->GetInnerWindow())) {
|
|
nsCOMPtr<EventTarget> piTarget(do_QueryInterface(win));
|
|
|
|
return piTarget->GetOrCreateListenerManager();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
return nsGenericHTMLElementBase::GetEventListenerManagerForAttr(aAttrName,
|
|
aDefer);
|
|
}
|
|
|
|
#define EVENT(name_, id_, type_, struct_) /* nothing; handled by nsINode */
|
|
#define FORWARDED_EVENT(name_, id_, type_, struct_) \
|
|
EventHandlerNonNull* nsGenericHTMLElement::GetOn##name_() { \
|
|
if (IsAnyOfHTMLElements(nsGkAtoms::body, nsGkAtoms::frameset)) { \
|
|
/* XXXbz note to self: add tests for this! */ \
|
|
if (nsPIDOMWindowInner* win = OwnerDoc()->GetInnerWindow()) { \
|
|
nsGlobalWindowInner* globalWin = nsGlobalWindowInner::Cast(win); \
|
|
return globalWin->GetOn##name_(); \
|
|
} \
|
|
return nullptr; \
|
|
} \
|
|
\
|
|
return nsINode::GetOn##name_(); \
|
|
} \
|
|
void nsGenericHTMLElement::SetOn##name_(EventHandlerNonNull* handler) { \
|
|
if (IsAnyOfHTMLElements(nsGkAtoms::body, nsGkAtoms::frameset)) { \
|
|
nsPIDOMWindowInner* win = OwnerDoc()->GetInnerWindow(); \
|
|
if (!win) { \
|
|
return; \
|
|
} \
|
|
\
|
|
nsGlobalWindowInner* globalWin = nsGlobalWindowInner::Cast(win); \
|
|
return globalWin->SetOn##name_(handler); \
|
|
} \
|
|
\
|
|
return nsINode::SetOn##name_(handler); \
|
|
}
|
|
#define ERROR_EVENT(name_, id_, type_, struct_) \
|
|
already_AddRefed<EventHandlerNonNull> nsGenericHTMLElement::GetOn##name_() { \
|
|
if (IsAnyOfHTMLElements(nsGkAtoms::body, nsGkAtoms::frameset)) { \
|
|
/* XXXbz note to self: add tests for this! */ \
|
|
if (nsPIDOMWindowInner* win = OwnerDoc()->GetInnerWindow()) { \
|
|
nsGlobalWindowInner* globalWin = nsGlobalWindowInner::Cast(win); \
|
|
OnErrorEventHandlerNonNull* errorHandler = globalWin->GetOn##name_(); \
|
|
if (errorHandler) { \
|
|
RefPtr<EventHandlerNonNull> handler = \
|
|
new EventHandlerNonNull(errorHandler); \
|
|
return handler.forget(); \
|
|
} \
|
|
} \
|
|
return nullptr; \
|
|
} \
|
|
\
|
|
RefPtr<EventHandlerNonNull> handler = nsINode::GetOn##name_(); \
|
|
return handler.forget(); \
|
|
} \
|
|
void nsGenericHTMLElement::SetOn##name_(EventHandlerNonNull* handler) { \
|
|
if (IsAnyOfHTMLElements(nsGkAtoms::body, nsGkAtoms::frameset)) { \
|
|
nsPIDOMWindowInner* win = OwnerDoc()->GetInnerWindow(); \
|
|
if (!win) { \
|
|
return; \
|
|
} \
|
|
\
|
|
nsGlobalWindowInner* globalWin = nsGlobalWindowInner::Cast(win); \
|
|
RefPtr<OnErrorEventHandlerNonNull> errorHandler; \
|
|
if (handler) { \
|
|
errorHandler = new OnErrorEventHandlerNonNull(handler); \
|
|
} \
|
|
return globalWin->SetOn##name_(errorHandler); \
|
|
} \
|
|
\
|
|
return nsINode::SetOn##name_(handler); \
|
|
}
|
|
#include "mozilla/EventNameList.h" // IWYU pragma: keep
|
|
#undef ERROR_EVENT
|
|
#undef FORWARDED_EVENT
|
|
#undef EVENT
|
|
|
|
void nsGenericHTMLElement::GetBaseTarget(nsAString& aBaseTarget) const {
|
|
OwnerDoc()->GetBaseTarget(aBaseTarget);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
bool nsGenericHTMLElement::ParseAttribute(int32_t aNamespaceID,
|
|
nsAtom* aAttribute,
|
|
const nsAString& aValue,
|
|
nsIPrincipal* aMaybeScriptedPrincipal,
|
|
nsAttrValue& aResult) {
|
|
if (aNamespaceID == kNameSpaceID_None) {
|
|
if (aAttribute == nsGkAtoms::dir) {
|
|
return aResult.ParseEnumValue(aValue, kDirTable, false);
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::popover &&
|
|
StaticPrefs::dom_element_popover_enabled()) {
|
|
return aResult.ParseEnumValue(aValue, kPopoverTable, false,
|
|
kPopoverTableInvalidValueDefault);
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::tabindex) {
|
|
return aResult.ParseIntValue(aValue);
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::referrerpolicy) {
|
|
return ParseReferrerAttribute(aValue, aResult);
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::name) {
|
|
// Store name as an atom. name="" means that the element has no name,
|
|
// not that it has an empty string as the name.
|
|
if (aValue.IsEmpty()) {
|
|
return false;
|
|
}
|
|
aResult.ParseAtom(aValue);
|
|
return true;
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::contenteditable ||
|
|
aAttribute == nsGkAtoms::translate) {
|
|
aResult.ParseAtom(aValue);
|
|
return true;
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::rel) {
|
|
aResult.ParseAtomArray(aValue);
|
|
return true;
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::inputmode) {
|
|
return aResult.ParseEnumValue(aValue, kInputmodeTable, false);
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::enterkeyhint) {
|
|
return aResult.ParseEnumValue(aValue, kEnterKeyHintTable, false);
|
|
}
|
|
|
|
if (aAttribute == nsGkAtoms::autocapitalize) {
|
|
return aResult.ParseEnumValue(aValue, kAutocapitalizeTable, false);
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLElementBase::ParseAttribute(
|
|
aNamespaceID, aAttribute, aValue, aMaybeScriptedPrincipal, aResult);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::ParseBackgroundAttribute(int32_t aNamespaceID,
|
|
nsAtom* aAttribute,
|
|
const nsAString& aValue,
|
|
nsAttrValue& aResult) {
|
|
if (aNamespaceID == kNameSpaceID_None &&
|
|
aAttribute == nsGkAtoms::background && !aValue.IsEmpty()) {
|
|
// Resolve url to an absolute url
|
|
Document* doc = OwnerDoc();
|
|
nsCOMPtr<nsIURI> uri;
|
|
nsresult rv = nsContentUtils::NewURIWithDocumentCharset(
|
|
getter_AddRefs(uri), aValue, doc, GetBaseURI());
|
|
if (NS_FAILED(rv)) {
|
|
return false;
|
|
}
|
|
aResult.SetTo(uri, &aValue);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsAttributeMapped(const nsAtom* aAttribute) const {
|
|
static const MappedAttributeEntry* const map[] = {sCommonAttributeMap};
|
|
|
|
return FindAttributeDependence(aAttribute, map);
|
|
}
|
|
|
|
nsMapRuleToAttributesFunc nsGenericHTMLElement::GetAttributeMappingFunction()
|
|
const {
|
|
return &MapCommonAttributesInto;
|
|
}
|
|
|
|
nsIFormControlFrame* nsGenericHTMLElement::GetFormControlFrame(
|
|
bool aFlushFrames) {
|
|
auto flushType = aFlushFrames ? FlushType::Frames : FlushType::None;
|
|
nsIFrame* frame = GetPrimaryFrame(flushType);
|
|
if (!frame) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (nsIFormControlFrame* f = do_QueryFrame(frame)) {
|
|
return f;
|
|
}
|
|
|
|
// If we have generated content, the primary frame will be a wrapper frame...
|
|
// Our real frame will be in its child list.
|
|
//
|
|
// FIXME(emilio): I don't think that's true... See bug 155957 for test-cases
|
|
// though, we should figure out whether this is still needed.
|
|
for (nsIFrame* kid : frame->PrincipalChildList()) {
|
|
if (nsIFormControlFrame* f = do_QueryFrame(kid)) {
|
|
return f;
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
static const nsAttrValue::EnumTable kDivAlignTable[] = {
|
|
{"left", StyleTextAlign::MozLeft},
|
|
{"right", StyleTextAlign::MozRight},
|
|
{"center", StyleTextAlign::MozCenter},
|
|
{"middle", StyleTextAlign::MozCenter},
|
|
{"justify", StyleTextAlign::Justify},
|
|
{nullptr, 0}};
|
|
|
|
static const nsAttrValue::EnumTable kFrameborderTable[] = {
|
|
{"yes", FrameBorderProperty::Yes},
|
|
{"no", FrameBorderProperty::No},
|
|
{"1", FrameBorderProperty::One},
|
|
{"0", FrameBorderProperty::Zero},
|
|
{nullptr, 0}};
|
|
|
|
// TODO(emilio): Nobody uses the parsed attribute here.
|
|
static const nsAttrValue::EnumTable kScrollingTable[] = {
|
|
{"yes", ScrollingAttribute::Yes},
|
|
{"no", ScrollingAttribute::No},
|
|
{"on", ScrollingAttribute::On},
|
|
{"off", ScrollingAttribute::Off},
|
|
{"scroll", ScrollingAttribute::Scroll},
|
|
{"noscroll", ScrollingAttribute::Noscroll},
|
|
{"auto", ScrollingAttribute::Auto},
|
|
{nullptr, 0}};
|
|
|
|
static const nsAttrValue::EnumTable kTableVAlignTable[] = {
|
|
{"top", StyleVerticalAlignKeyword::Top},
|
|
{"middle", StyleVerticalAlignKeyword::Middle},
|
|
{"bottom", StyleVerticalAlignKeyword::Bottom},
|
|
{"baseline", StyleVerticalAlignKeyword::Baseline},
|
|
{nullptr, 0}};
|
|
|
|
bool nsGenericHTMLElement::ParseAlignValue(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
static const nsAttrValue::EnumTable kAlignTable[] = {
|
|
{"left", StyleTextAlign::Left},
|
|
{"right", StyleTextAlign::Right},
|
|
|
|
{"top", StyleVerticalAlignKeyword::Top},
|
|
{"middle", StyleVerticalAlignKeyword::MozMiddleWithBaseline},
|
|
|
|
// Intentionally not bottom.
|
|
{"bottom", StyleVerticalAlignKeyword::Baseline},
|
|
|
|
{"center", StyleVerticalAlignKeyword::MozMiddleWithBaseline},
|
|
{"baseline", StyleVerticalAlignKeyword::Baseline},
|
|
|
|
{"texttop", StyleVerticalAlignKeyword::TextTop},
|
|
{"absmiddle", StyleVerticalAlignKeyword::Middle},
|
|
{"abscenter", StyleVerticalAlignKeyword::Middle},
|
|
{"absbottom", StyleVerticalAlignKeyword::Bottom},
|
|
{nullptr, 0}};
|
|
|
|
static_assert(uint8_t(StyleTextAlign::Left) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Top) &&
|
|
uint8_t(StyleTextAlign::Left) !=
|
|
uint8_t(StyleVerticalAlignKeyword::MozMiddleWithBaseline) &&
|
|
uint8_t(StyleTextAlign::Left) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Baseline) &&
|
|
uint8_t(StyleTextAlign::Left) !=
|
|
uint8_t(StyleVerticalAlignKeyword::TextTop) &&
|
|
uint8_t(StyleTextAlign::Left) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Middle) &&
|
|
uint8_t(StyleTextAlign::Left) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Bottom));
|
|
|
|
static_assert(uint8_t(StyleTextAlign::Right) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Top) &&
|
|
uint8_t(StyleTextAlign::Right) !=
|
|
uint8_t(StyleVerticalAlignKeyword::MozMiddleWithBaseline) &&
|
|
uint8_t(StyleTextAlign::Right) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Baseline) &&
|
|
uint8_t(StyleTextAlign::Right) !=
|
|
uint8_t(StyleVerticalAlignKeyword::TextTop) &&
|
|
uint8_t(StyleTextAlign::Right) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Middle) &&
|
|
uint8_t(StyleTextAlign::Right) !=
|
|
uint8_t(StyleVerticalAlignKeyword::Bottom));
|
|
|
|
return aResult.ParseEnumValue(aString, kAlignTable, false);
|
|
}
|
|
|
|
//----------------------------------------
|
|
|
|
static const nsAttrValue::EnumTable kTableHAlignTable[] = {
|
|
{"left", StyleTextAlign::Left}, {"right", StyleTextAlign::Right},
|
|
{"center", StyleTextAlign::Center}, {"char", StyleTextAlign::Char},
|
|
{"justify", StyleTextAlign::Justify}, {nullptr, 0}};
|
|
|
|
bool nsGenericHTMLElement::ParseTableHAlignValue(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
return aResult.ParseEnumValue(aString, kTableHAlignTable, false);
|
|
}
|
|
|
|
//----------------------------------------
|
|
|
|
// This table is used for td, th, tr, col, thead, tbody and tfoot.
|
|
static const nsAttrValue::EnumTable kTableCellHAlignTable[] = {
|
|
{"left", StyleTextAlign::MozLeft},
|
|
{"right", StyleTextAlign::MozRight},
|
|
{"center", StyleTextAlign::MozCenter},
|
|
{"char", StyleTextAlign::Char},
|
|
{"justify", StyleTextAlign::Justify},
|
|
{"middle", StyleTextAlign::MozCenter},
|
|
{"absmiddle", StyleTextAlign::Center},
|
|
{nullptr, 0}};
|
|
|
|
bool nsGenericHTMLElement::ParseTableCellHAlignValue(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
return aResult.ParseEnumValue(aString, kTableCellHAlignTable, false);
|
|
}
|
|
|
|
//----------------------------------------
|
|
|
|
bool nsGenericHTMLElement::ParseTableVAlignValue(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
return aResult.ParseEnumValue(aString, kTableVAlignTable, false);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::ParseDivAlignValue(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
return aResult.ParseEnumValue(aString, kDivAlignTable, false);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::ParseImageAttribute(nsAtom* aAttribute,
|
|
const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
if (aAttribute == nsGkAtoms::width || aAttribute == nsGkAtoms::height ||
|
|
aAttribute == nsGkAtoms::hspace || aAttribute == nsGkAtoms::vspace) {
|
|
return aResult.ParseHTMLDimension(aString);
|
|
}
|
|
if (aAttribute == nsGkAtoms::border) {
|
|
return aResult.ParseNonNegativeIntValue(aString);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool nsGenericHTMLElement::ParseReferrerAttribute(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
using mozilla::dom::ReferrerInfo;
|
|
static const nsAttrValue::EnumTable kReferrerPolicyTable[] = {
|
|
{ReferrerInfo::ReferrerPolicyToString(ReferrerPolicy::No_referrer),
|
|
static_cast<int16_t>(ReferrerPolicy::No_referrer)},
|
|
{ReferrerInfo::ReferrerPolicyToString(ReferrerPolicy::Origin),
|
|
static_cast<int16_t>(ReferrerPolicy::Origin)},
|
|
{ReferrerInfo::ReferrerPolicyToString(
|
|
ReferrerPolicy::Origin_when_cross_origin),
|
|
static_cast<int16_t>(ReferrerPolicy::Origin_when_cross_origin)},
|
|
{ReferrerInfo::ReferrerPolicyToString(
|
|
ReferrerPolicy::No_referrer_when_downgrade),
|
|
static_cast<int16_t>(ReferrerPolicy::No_referrer_when_downgrade)},
|
|
{ReferrerInfo::ReferrerPolicyToString(ReferrerPolicy::Unsafe_url),
|
|
static_cast<int16_t>(ReferrerPolicy::Unsafe_url)},
|
|
{ReferrerInfo::ReferrerPolicyToString(ReferrerPolicy::Strict_origin),
|
|
static_cast<int16_t>(ReferrerPolicy::Strict_origin)},
|
|
{ReferrerInfo::ReferrerPolicyToString(ReferrerPolicy::Same_origin),
|
|
static_cast<int16_t>(ReferrerPolicy::Same_origin)},
|
|
{ReferrerInfo::ReferrerPolicyToString(
|
|
ReferrerPolicy::Strict_origin_when_cross_origin),
|
|
static_cast<int16_t>(ReferrerPolicy::Strict_origin_when_cross_origin)},
|
|
{nullptr, ReferrerPolicy::_empty}};
|
|
return aResult.ParseEnumValue(aString, kReferrerPolicyTable, false);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::ParseFrameborderValue(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
return aResult.ParseEnumValue(aString, kFrameborderTable, false);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::ParseScrollingValue(const nsAString& aString,
|
|
nsAttrValue& aResult) {
|
|
return aResult.ParseEnumValue(aString, kScrollingTable, false);
|
|
}
|
|
|
|
static inline void MapLangAttributeInto(const nsMappedAttributes* aAttributes,
|
|
MappedDeclarations& aDecls) {
|
|
const nsAttrValue* langValue = aAttributes->GetAttr(nsGkAtoms::lang);
|
|
if (!langValue) {
|
|
return;
|
|
}
|
|
MOZ_ASSERT(langValue->Type() == nsAttrValue::eAtom);
|
|
aDecls.SetIdentAtomValueIfUnset(eCSSProperty__x_lang,
|
|
langValue->GetAtomValue());
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_text_emphasis_position)) {
|
|
const nsAtom* lang = langValue->GetAtomValue();
|
|
if (nsStyleUtil::MatchesLanguagePrefix(lang, u"zh")) {
|
|
aDecls.SetKeywordValue(eCSSProperty_text_emphasis_position,
|
|
StyleTextEmphasisPosition::UNDER.bits);
|
|
} else if (nsStyleUtil::MatchesLanguagePrefix(lang, u"ja") ||
|
|
nsStyleUtil::MatchesLanguagePrefix(lang, u"mn")) {
|
|
// This branch is currently no part of the spec.
|
|
// See bug 1040668 comment 69 and comment 75.
|
|
aDecls.SetKeywordValue(eCSSProperty_text_emphasis_position,
|
|
StyleTextEmphasisPosition::OVER.bits);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle attributes common to all html elements
|
|
*/
|
|
void nsGenericHTMLElement::MapCommonAttributesIntoExceptHidden(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
if (!aDecls.PropertyIsSet(eCSSProperty__moz_user_modify)) {
|
|
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::contenteditable);
|
|
if (value) {
|
|
if (value->Equals(nsGkAtoms::_empty, eCaseMatters) ||
|
|
value->Equals(nsGkAtoms::_true, eIgnoreCase)) {
|
|
aDecls.SetKeywordValue(eCSSProperty__moz_user_modify,
|
|
StyleUserModify::ReadWrite);
|
|
} else if (value->Equals(nsGkAtoms::_false, eIgnoreCase)) {
|
|
aDecls.SetKeywordValue(eCSSProperty__moz_user_modify,
|
|
StyleUserModify::ReadOnly);
|
|
}
|
|
}
|
|
}
|
|
|
|
MapLangAttributeInto(aAttributes, aDecls);
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapCommonAttributesInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
MapCommonAttributesIntoExceptHidden(aAttributes, aDecls);
|
|
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_display)) {
|
|
if (aAttributes->IndexOfAttr(nsGkAtoms::hidden) >= 0) {
|
|
aDecls.SetKeywordValue(eCSSProperty_display, StyleDisplay::None);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
const nsGenericHTMLElement::MappedAttributeEntry
|
|
nsGenericHTMLElement::sCommonAttributeMap[] = {{nsGkAtoms::contenteditable},
|
|
{nsGkAtoms::lang},
|
|
{nsGkAtoms::hidden},
|
|
{nullptr}};
|
|
|
|
/* static */
|
|
const Element::MappedAttributeEntry
|
|
nsGenericHTMLElement::sImageMarginSizeAttributeMap[] = {{nsGkAtoms::width},
|
|
{nsGkAtoms::height},
|
|
{nsGkAtoms::hspace},
|
|
{nsGkAtoms::vspace},
|
|
{nullptr}};
|
|
|
|
/* static */
|
|
const Element::MappedAttributeEntry
|
|
nsGenericHTMLElement::sImageAlignAttributeMap[] = {{nsGkAtoms::align},
|
|
{nullptr}};
|
|
|
|
/* static */
|
|
const Element::MappedAttributeEntry
|
|
nsGenericHTMLElement::sDivAlignAttributeMap[] = {{nsGkAtoms::align},
|
|
{nullptr}};
|
|
|
|
/* static */
|
|
const Element::MappedAttributeEntry
|
|
nsGenericHTMLElement::sImageBorderAttributeMap[] = {{nsGkAtoms::border},
|
|
{nullptr}};
|
|
|
|
/* static */
|
|
const Element::MappedAttributeEntry
|
|
nsGenericHTMLElement::sBackgroundAttributeMap[] = {
|
|
{nsGkAtoms::background}, {nsGkAtoms::bgcolor}, {nullptr}};
|
|
|
|
/* static */
|
|
const Element::MappedAttributeEntry
|
|
nsGenericHTMLElement::sBackgroundColorAttributeMap[] = {
|
|
{nsGkAtoms::bgcolor}, {nullptr}};
|
|
|
|
void nsGenericHTMLElement::MapImageAlignAttributeInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
|
|
if (value && value->Type() == nsAttrValue::eEnum) {
|
|
int32_t align = value->GetEnumValue();
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_float)) {
|
|
if (align == uint8_t(StyleTextAlign::Left)) {
|
|
aDecls.SetKeywordValue(eCSSProperty_float, StyleFloat::Left);
|
|
} else if (align == uint8_t(StyleTextAlign::Right)) {
|
|
aDecls.SetKeywordValue(eCSSProperty_float, StyleFloat::Right);
|
|
}
|
|
}
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_vertical_align)) {
|
|
switch (align) {
|
|
case uint8_t(StyleTextAlign::Left):
|
|
case uint8_t(StyleTextAlign::Right):
|
|
break;
|
|
default:
|
|
aDecls.SetKeywordValue(eCSSProperty_vertical_align, align);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapDivAlignAttributeInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_text_align)) {
|
|
// align: enum
|
|
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
|
|
if (value && value->Type() == nsAttrValue::eEnum)
|
|
aDecls.SetKeywordValue(eCSSProperty_text_align, value->GetEnumValue());
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapVAlignAttributeInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_vertical_align)) {
|
|
// align: enum
|
|
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::valign);
|
|
if (value && value->Type() == nsAttrValue::eEnum)
|
|
aDecls.SetKeywordValue(eCSSProperty_vertical_align,
|
|
value->GetEnumValue());
|
|
}
|
|
}
|
|
|
|
static void MapDimensionAttributeInto(MappedDeclarations& aDecls,
|
|
nsCSSPropertyID aProp,
|
|
const nsAttrValue& aValue) {
|
|
MOZ_ASSERT(!aDecls.PropertyIsSet(aProp),
|
|
"Why mapping the same property twice?");
|
|
if (aValue.Type() == nsAttrValue::eInteger) {
|
|
return aDecls.SetPixelValue(aProp, aValue.GetIntegerValue());
|
|
}
|
|
if (aValue.Type() == nsAttrValue::ePercent) {
|
|
return aDecls.SetPercentValue(aProp, aValue.GetPercentValue());
|
|
}
|
|
if (aValue.Type() == nsAttrValue::eDoubleValue) {
|
|
return aDecls.SetPixelValue(aProp, aValue.GetDoubleValue());
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapImageMarginAttributeInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
const nsAttrValue* value;
|
|
|
|
// hspace: value
|
|
value = aAttributes->GetAttr(nsGkAtoms::hspace);
|
|
if (value) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_margin_left, *value);
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_margin_right, *value);
|
|
}
|
|
|
|
// vspace: value
|
|
value = aAttributes->GetAttr(nsGkAtoms::vspace);
|
|
if (value) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_margin_top, *value);
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_margin_bottom, *value);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapWidthAttributeInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
if (const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::width)) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_width, *value);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapHeightAttributeInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
if (const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::height)) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_height, *value);
|
|
}
|
|
}
|
|
|
|
static void DoMapAspectRatio(const nsAttrValue& aWidth,
|
|
const nsAttrValue& aHeight,
|
|
MappedDeclarations& aDecls) {
|
|
Maybe<double> w;
|
|
if (aWidth.Type() == nsAttrValue::eInteger) {
|
|
w.emplace(aWidth.GetIntegerValue());
|
|
} else if (aWidth.Type() == nsAttrValue::eDoubleValue) {
|
|
w.emplace(aWidth.GetDoubleValue());
|
|
}
|
|
|
|
Maybe<double> h;
|
|
if (aHeight.Type() == nsAttrValue::eInteger) {
|
|
h.emplace(aHeight.GetIntegerValue());
|
|
} else if (aHeight.Type() == nsAttrValue::eDoubleValue) {
|
|
h.emplace(aHeight.GetDoubleValue());
|
|
}
|
|
|
|
if (w && h) {
|
|
aDecls.SetAspectRatio(*w, *h);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapImageSizeAttributesInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls,
|
|
MapAspectRatio aMapAspectRatio) {
|
|
auto* width = aAttributes->GetAttr(nsGkAtoms::width);
|
|
auto* height = aAttributes->GetAttr(nsGkAtoms::height);
|
|
if (width) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_width, *width);
|
|
}
|
|
if (height) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_height, *height);
|
|
}
|
|
if (aMapAspectRatio == MapAspectRatio::Yes && width && height) {
|
|
DoMapAspectRatio(*width, *height, aDecls);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapPictureSourceSizeAttributesInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
const auto* width = aAttributes->GetAttr(nsGkAtoms::width);
|
|
const auto* height = aAttributes->GetAttr(nsGkAtoms::height);
|
|
if (!width && !height) {
|
|
return;
|
|
}
|
|
|
|
// We should set the missing property values with auto value to make sure it
|
|
// overrides the declaraion created by the presentation attributes of
|
|
// HTMLImageElement. This can make sure we compute the ratio-dependent axis
|
|
// size properly by the natural aspect-ratio of the image.
|
|
//
|
|
// Note: The spec doesn't specify this, so we follow the implementation in
|
|
// other browsers.
|
|
// Spec issue: https://github.com/whatwg/html/issues/8178.
|
|
if (width) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_width, *width);
|
|
} else {
|
|
aDecls.SetAutoValue(eCSSProperty_width);
|
|
}
|
|
|
|
if (height) {
|
|
MapDimensionAttributeInto(aDecls, eCSSProperty_height, *height);
|
|
} else {
|
|
aDecls.SetAutoValue(eCSSProperty_height);
|
|
}
|
|
|
|
if (width && height) {
|
|
DoMapAspectRatio(*width, *height, aDecls);
|
|
} else {
|
|
aDecls.SetAutoValue(eCSSProperty_aspect_ratio);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapAspectRatioInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
auto* width = aAttributes->GetAttr(nsGkAtoms::width);
|
|
auto* height = aAttributes->GetAttr(nsGkAtoms::height);
|
|
if (width && height) {
|
|
DoMapAspectRatio(*width, *height, aDecls);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapImageBorderAttributeInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
// border: pixels
|
|
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::border);
|
|
if (!value) return;
|
|
|
|
nscoord val = 0;
|
|
if (value->Type() == nsAttrValue::eInteger) val = value->GetIntegerValue();
|
|
|
|
aDecls.SetPixelValueIfUnset(eCSSProperty_border_top_width, (float)val);
|
|
aDecls.SetPixelValueIfUnset(eCSSProperty_border_right_width, (float)val);
|
|
aDecls.SetPixelValueIfUnset(eCSSProperty_border_bottom_width, (float)val);
|
|
aDecls.SetPixelValueIfUnset(eCSSProperty_border_left_width, (float)val);
|
|
|
|
aDecls.SetKeywordValueIfUnset(eCSSProperty_border_top_style,
|
|
StyleBorderStyle::Solid);
|
|
aDecls.SetKeywordValueIfUnset(eCSSProperty_border_right_style,
|
|
StyleBorderStyle::Solid);
|
|
aDecls.SetKeywordValueIfUnset(eCSSProperty_border_bottom_style,
|
|
StyleBorderStyle::Solid);
|
|
aDecls.SetKeywordValueIfUnset(eCSSProperty_border_left_style,
|
|
StyleBorderStyle::Solid);
|
|
|
|
aDecls.SetCurrentColorIfUnset(eCSSProperty_border_top_color);
|
|
aDecls.SetCurrentColorIfUnset(eCSSProperty_border_right_color);
|
|
aDecls.SetCurrentColorIfUnset(eCSSProperty_border_bottom_color);
|
|
aDecls.SetCurrentColorIfUnset(eCSSProperty_border_left_color);
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapBackgroundInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_background_image)) {
|
|
// background
|
|
nsAttrValue* value =
|
|
const_cast<nsAttrValue*>(aAttributes->GetAttr(nsGkAtoms::background));
|
|
if (value) {
|
|
aDecls.SetBackgroundImage(*value);
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapBGColorInto(const nsMappedAttributes* aAttributes,
|
|
MappedDeclarations& aDecls) {
|
|
if (!aDecls.PropertyIsSet(eCSSProperty_background_color)) {
|
|
const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::bgcolor);
|
|
nscolor color;
|
|
if (value && value->GetColorValue(color)) {
|
|
aDecls.SetColorValue(eCSSProperty_background_color, color);
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::MapBackgroundAttributesInto(
|
|
const nsMappedAttributes* aAttributes, MappedDeclarations& aDecls) {
|
|
MapBackgroundInto(aAttributes, aDecls);
|
|
MapBGColorInto(aAttributes, aDecls);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
int32_t nsGenericHTMLElement::GetIntAttr(nsAtom* aAttr,
|
|
int32_t aDefault) const {
|
|
const nsAttrValue* attrVal = mAttrs.GetAttr(aAttr);
|
|
if (attrVal && attrVal->Type() == nsAttrValue::eInteger) {
|
|
return attrVal->GetIntegerValue();
|
|
}
|
|
return aDefault;
|
|
}
|
|
|
|
nsresult nsGenericHTMLElement::SetIntAttr(nsAtom* aAttr, int32_t aValue) {
|
|
nsAutoString value;
|
|
value.AppendInt(aValue);
|
|
|
|
return SetAttr(kNameSpaceID_None, aAttr, value, true);
|
|
}
|
|
|
|
uint32_t nsGenericHTMLElement::GetUnsignedIntAttr(nsAtom* aAttr,
|
|
uint32_t aDefault) const {
|
|
const nsAttrValue* attrVal = mAttrs.GetAttr(aAttr);
|
|
if (!attrVal || attrVal->Type() != nsAttrValue::eInteger) {
|
|
return aDefault;
|
|
}
|
|
|
|
return attrVal->GetIntegerValue();
|
|
}
|
|
|
|
uint32_t nsGenericHTMLElement::GetDimensionAttrAsUnsignedInt(
|
|
nsAtom* aAttr, uint32_t aDefault) const {
|
|
const nsAttrValue* attrVal = mAttrs.GetAttr(aAttr);
|
|
if (!attrVal) {
|
|
return aDefault;
|
|
}
|
|
|
|
if (attrVal->Type() == nsAttrValue::eInteger) {
|
|
return attrVal->GetIntegerValue();
|
|
}
|
|
|
|
if (attrVal->Type() == nsAttrValue::ePercent) {
|
|
// This is a nasty hack. When we parsed the value, we stored it as an
|
|
// ePercent, not eInteger, because there was a '%' after it in the string.
|
|
// But the spec says to basically re-parse the string as an integer.
|
|
// Luckily, we can just return the value we have stored. But
|
|
// GetPercentValue() divides it by 100, so we need to multiply it back.
|
|
return uint32_t(attrVal->GetPercentValue() * 100.0f);
|
|
}
|
|
|
|
if (attrVal->Type() == nsAttrValue::eDoubleValue) {
|
|
return uint32_t(attrVal->GetDoubleValue());
|
|
}
|
|
|
|
// Unfortunately, the set of values that are valid dimensions is not a
|
|
// superset of values that are valid unsigned ints. In particular "+100" is
|
|
// not a valid dimension, but should parse as the unsigned int "100". So if
|
|
// we got here and we don't have a valid dimension value, just try re-parsing
|
|
// the string we have as an integer.
|
|
nsAutoString val;
|
|
attrVal->ToString(val);
|
|
nsContentUtils::ParseHTMLIntegerResultFlags result;
|
|
int32_t parsedInt = nsContentUtils::ParseHTMLInteger(val, &result);
|
|
if ((result & nsContentUtils::eParseHTMLInteger_Error) || parsedInt < 0) {
|
|
return aDefault;
|
|
}
|
|
|
|
return parsedInt;
|
|
}
|
|
|
|
void nsGenericHTMLElement::GetURIAttr(nsAtom* aAttr, nsAtom* aBaseAttr,
|
|
nsAString& aResult) const {
|
|
nsCOMPtr<nsIURI> uri;
|
|
bool hadAttr = GetURIAttr(aAttr, aBaseAttr, getter_AddRefs(uri));
|
|
if (!hadAttr) {
|
|
aResult.Truncate();
|
|
return;
|
|
}
|
|
|
|
if (!uri) {
|
|
// Just return the attr value
|
|
GetAttr(kNameSpaceID_None, aAttr, aResult);
|
|
return;
|
|
}
|
|
|
|
nsAutoCString spec;
|
|
uri->GetSpec(spec);
|
|
CopyUTF8toUTF16(spec, aResult);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::GetURIAttr(nsAtom* aAttr, nsAtom* aBaseAttr,
|
|
nsIURI** aURI) const {
|
|
*aURI = nullptr;
|
|
|
|
const nsAttrValue* attr = mAttrs.GetAttr(aAttr);
|
|
if (!attr) {
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsIURI> baseURI = GetBaseURI();
|
|
|
|
if (aBaseAttr) {
|
|
nsAutoString baseAttrValue;
|
|
if (GetAttr(kNameSpaceID_None, aBaseAttr, baseAttrValue)) {
|
|
nsCOMPtr<nsIURI> baseAttrURI;
|
|
nsresult rv = nsContentUtils::NewURIWithDocumentCharset(
|
|
getter_AddRefs(baseAttrURI), baseAttrValue, OwnerDoc(), baseURI);
|
|
if (NS_FAILED(rv)) {
|
|
return true;
|
|
}
|
|
baseURI.swap(baseAttrURI);
|
|
}
|
|
}
|
|
|
|
// Don't care about return value. If it fails, we still want to
|
|
// return true, and *aURI will be null.
|
|
nsContentUtils::NewURIWithDocumentCharset(aURI, attr->GetStringValue(),
|
|
OwnerDoc(), baseURI);
|
|
return true;
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsLabelable() const {
|
|
return IsAnyOfHTMLElements(nsGkAtoms::progress, nsGkAtoms::meter);
|
|
}
|
|
|
|
/* static */
|
|
bool nsGenericHTMLElement::MatchLabelsElement(Element* aElement,
|
|
int32_t aNamespaceID,
|
|
nsAtom* aAtom, void* aData) {
|
|
HTMLLabelElement* element = HTMLLabelElement::FromNode(aElement);
|
|
return element && element->GetControl() == aData;
|
|
}
|
|
|
|
already_AddRefed<nsINodeList> nsGenericHTMLElement::Labels() {
|
|
MOZ_ASSERT(IsLabelable(),
|
|
"Labels() only allow labelable elements to use it.");
|
|
nsExtendedDOMSlots* slots = ExtendedDOMSlots();
|
|
|
|
if (!slots->mLabelsList) {
|
|
slots->mLabelsList =
|
|
new nsLabelsNodeList(SubtreeRoot(), MatchLabelsElement, nullptr, this);
|
|
}
|
|
|
|
RefPtr<nsLabelsNodeList> labels = slots->mLabelsList;
|
|
return labels.forget();
|
|
}
|
|
|
|
// static
|
|
bool nsGenericHTMLElement::LegacyTouchAPIEnabled(JSContext* aCx,
|
|
JSObject* aGlobal) {
|
|
return TouchEvent::LegacyAPIEnabled(aCx, aGlobal);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsFormControlDefaultFocusable(
|
|
bool aWithMouse) const {
|
|
if (!aWithMouse) {
|
|
return true;
|
|
}
|
|
switch (StaticPrefs::accessibility_mouse_focuses_formcontrol()) {
|
|
case 0:
|
|
return false;
|
|
case 1:
|
|
return true;
|
|
default:
|
|
return !IsInChromeDocument();
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsGenericHTMLFormElement::nsGenericHTMLFormElement(
|
|
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
|
|
: nsGenericHTMLElement(std::move(aNodeInfo)) {
|
|
// We should add the ElementState::ENABLED bit here as needed, but
|
|
// that depends on our type, which is not initialized yet. So we
|
|
// have to do this in subclasses.
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::ClearForm(bool aRemoveFromForm,
|
|
bool aUnbindOrDelete) {
|
|
MOZ_ASSERT(IsFormAssociatedElement());
|
|
|
|
HTMLFormElement* form = GetFormInternal();
|
|
NS_ASSERTION((form != nullptr) == HasFlag(ADDED_TO_FORM),
|
|
"Form control should have had flag set correctly");
|
|
|
|
if (!form) {
|
|
return;
|
|
}
|
|
|
|
if (aRemoveFromForm) {
|
|
nsAutoString nameVal, idVal;
|
|
GetAttr(nsGkAtoms::name, nameVal);
|
|
GetAttr(nsGkAtoms::id, idVal);
|
|
|
|
form->RemoveElement(this, true);
|
|
|
|
if (!nameVal.IsEmpty()) {
|
|
form->RemoveElementFromTable(this, nameVal);
|
|
}
|
|
|
|
if (!idVal.IsEmpty()) {
|
|
form->RemoveElementFromTable(this, idVal);
|
|
}
|
|
}
|
|
|
|
UnsetFlags(ADDED_TO_FORM);
|
|
SetFormInternal(nullptr, false);
|
|
AfterClearForm(aUnbindOrDelete);
|
|
UpdateState(true);
|
|
}
|
|
|
|
nsresult nsGenericHTMLFormElement::BindToTree(BindContext& aContext,
|
|
nsINode& aParent) {
|
|
nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (IsFormAssociatedElement()) {
|
|
// If @form is set, the element *has* to be in a composed document,
|
|
// otherwise it wouldn't be possible to find an element with the
|
|
// corresponding id. If @form isn't set, the element *has* to have a parent,
|
|
// otherwise it wouldn't be possible to find a form ancestor. We should not
|
|
// call UpdateFormOwner if none of these conditions are fulfilled.
|
|
if (HasAttr(kNameSpaceID_None, nsGkAtoms::form) ? IsInComposedDoc()
|
|
: aParent.IsContent()) {
|
|
UpdateFormOwner(true, nullptr);
|
|
}
|
|
}
|
|
|
|
// Set parent fieldset which should be used for the disabled state.
|
|
UpdateFieldSet(false);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::UnbindFromTree(bool aNullParent) {
|
|
if (IsFormAssociatedElement()) {
|
|
if (HTMLFormElement* form = GetFormInternal()) {
|
|
// Might need to unset form
|
|
if (aNullParent) {
|
|
// No more parent means no more form
|
|
ClearForm(true, true);
|
|
} else {
|
|
// Recheck whether we should still have an form.
|
|
if (HasAttr(kNameSpaceID_None, nsGkAtoms::form) ||
|
|
!FindAncestorForm(form)) {
|
|
ClearForm(true, true);
|
|
} else {
|
|
UnsetFlags(MAYBE_ORPHAN_FORM_ELEMENT);
|
|
}
|
|
}
|
|
|
|
if (!GetFormInternal()) {
|
|
// Our novalidate state might have changed
|
|
UpdateState(false);
|
|
}
|
|
}
|
|
|
|
// We have to remove the form id observer if there was one.
|
|
// We will re-add one later if needed (during bind to tree).
|
|
if (nsContentUtils::HasNonEmptyAttr(this, kNameSpaceID_None,
|
|
nsGkAtoms::form)) {
|
|
RemoveFormIdObserver();
|
|
}
|
|
}
|
|
|
|
nsGenericHTMLElement::UnbindFromTree(aNullParent);
|
|
|
|
// The element might not have a fieldset anymore.
|
|
UpdateFieldSet(false);
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::BeforeSetAttr(int32_t aNameSpaceID,
|
|
nsAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
bool aNotify) {
|
|
if (aNameSpaceID == kNameSpaceID_None && IsFormAssociatedElement()) {
|
|
nsAutoString tmp;
|
|
HTMLFormElement* form = GetFormInternal();
|
|
|
|
// remove the control from the hashtable as needed
|
|
|
|
if (form && (aName == nsGkAtoms::name || aName == nsGkAtoms::id)) {
|
|
GetAttr(kNameSpaceID_None, aName, tmp);
|
|
|
|
if (!tmp.IsEmpty()) {
|
|
form->RemoveElementFromTable(this, tmp);
|
|
}
|
|
}
|
|
|
|
if (form && aName == nsGkAtoms::type) {
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::name, tmp);
|
|
|
|
if (!tmp.IsEmpty()) {
|
|
form->RemoveElementFromTable(this, tmp);
|
|
}
|
|
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::id, tmp);
|
|
|
|
if (!tmp.IsEmpty()) {
|
|
form->RemoveElementFromTable(this, tmp);
|
|
}
|
|
|
|
form->RemoveElement(this, false);
|
|
}
|
|
|
|
if (aName == nsGkAtoms::form) {
|
|
// If @form isn't set or set to the empty string, there were no observer
|
|
// so we don't have to remove it.
|
|
if (nsContentUtils::HasNonEmptyAttr(this, kNameSpaceID_None,
|
|
nsGkAtoms::form)) {
|
|
// The current form id observer is no longer needed.
|
|
// A new one may be added in AfterSetAttr.
|
|
RemoveFormIdObserver();
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLElement::BeforeSetAttr(aNameSpaceID, aName, aValue,
|
|
aNotify);
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::AfterSetAttr(
|
|
int32_t aNameSpaceID, nsAtom* aName, const nsAttrValue* aValue,
|
|
const nsAttrValue* aOldValue, nsIPrincipal* aMaybeScriptedPrincipal,
|
|
bool aNotify) {
|
|
if (aNameSpaceID == kNameSpaceID_None && IsFormAssociatedElement()) {
|
|
HTMLFormElement* form = GetFormInternal();
|
|
|
|
// add the control to the hashtable as needed
|
|
if (form && (aName == nsGkAtoms::name || aName == nsGkAtoms::id) &&
|
|
aValue && !aValue->IsEmptyString()) {
|
|
MOZ_ASSERT(aValue->Type() == nsAttrValue::eAtom,
|
|
"Expected atom value for name/id");
|
|
form->AddElementToTable(this,
|
|
nsDependentAtomString(aValue->GetAtomValue()));
|
|
}
|
|
|
|
if (form && aName == nsGkAtoms::type) {
|
|
nsAutoString tmp;
|
|
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::name, tmp);
|
|
|
|
if (!tmp.IsEmpty()) {
|
|
form->AddElementToTable(this, tmp);
|
|
}
|
|
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::id, tmp);
|
|
|
|
if (!tmp.IsEmpty()) {
|
|
form->AddElementToTable(this, tmp);
|
|
}
|
|
|
|
form->AddElement(this, false, aNotify);
|
|
}
|
|
|
|
if (aName == nsGkAtoms::form) {
|
|
// We need a new form id observer.
|
|
DocumentOrShadowRoot* docOrShadow =
|
|
GetUncomposedDocOrConnectedShadowRoot();
|
|
if (docOrShadow) {
|
|
Element* formIdElement = nullptr;
|
|
if (aValue && !aValue->IsEmptyString()) {
|
|
formIdElement = AddFormIdObserver();
|
|
}
|
|
|
|
// Because we have a new @form value (or no more @form), we have to
|
|
// update our form owner.
|
|
UpdateFormOwner(false, formIdElement);
|
|
}
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLElement::AfterSetAttr(
|
|
aNameSpaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::ForgetFieldSet(nsIContent* aFieldset) {
|
|
MOZ_DIAGNOSTIC_ASSERT(IsFormAssociatedElement());
|
|
if (GetFieldSetInternal() == aFieldset) {
|
|
SetFieldSetInternal(nullptr);
|
|
}
|
|
}
|
|
|
|
Element* nsGenericHTMLFormElement::AddFormIdObserver() {
|
|
MOZ_ASSERT(IsFormAssociatedElement());
|
|
|
|
nsAutoString formId;
|
|
DocumentOrShadowRoot* docOrShadow = GetUncomposedDocOrConnectedShadowRoot();
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::form, formId);
|
|
NS_ASSERTION(!formId.IsEmpty(),
|
|
"@form value should not be the empty string!");
|
|
RefPtr<nsAtom> atom = NS_Atomize(formId);
|
|
|
|
return docOrShadow->AddIDTargetObserver(atom, FormIdUpdated, this, false);
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::RemoveFormIdObserver() {
|
|
MOZ_ASSERT(IsFormAssociatedElement());
|
|
|
|
DocumentOrShadowRoot* docOrShadow = GetUncomposedDocOrConnectedShadowRoot();
|
|
if (!docOrShadow) {
|
|
return;
|
|
}
|
|
|
|
nsAutoString formId;
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::form, formId);
|
|
NS_ASSERTION(!formId.IsEmpty(),
|
|
"@form value should not be the empty string!");
|
|
RefPtr<nsAtom> atom = NS_Atomize(formId);
|
|
|
|
docOrShadow->RemoveIDTargetObserver(atom, FormIdUpdated, this, false);
|
|
}
|
|
|
|
/* static */
|
|
bool nsGenericHTMLFormElement::FormIdUpdated(Element* aOldElement,
|
|
Element* aNewElement,
|
|
void* aData) {
|
|
nsGenericHTMLFormElement* element =
|
|
static_cast<nsGenericHTMLFormElement*>(aData);
|
|
|
|
NS_ASSERTION(element->IsHTMLElement(), "aData should be an HTML element");
|
|
|
|
element->UpdateFormOwner(false, aNewElement);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool nsGenericHTMLFormElement::IsElementDisabledForEvents(WidgetEvent* aEvent,
|
|
nsIFrame* aFrame) {
|
|
MOZ_ASSERT(aEvent);
|
|
|
|
// Allow dispatch of CustomEvent and untrusted Events.
|
|
if (!aEvent->IsTrusted()) {
|
|
return false;
|
|
}
|
|
|
|
switch (aEvent->mMessage) {
|
|
case eAnimationStart:
|
|
case eAnimationEnd:
|
|
case eAnimationIteration:
|
|
case eAnimationCancel:
|
|
case eFormChange:
|
|
case eMouseMove:
|
|
case eMouseOver:
|
|
case eMouseOut:
|
|
case eMouseEnter:
|
|
case eMouseLeave:
|
|
case ePointerMove:
|
|
case ePointerOver:
|
|
case ePointerOut:
|
|
case ePointerEnter:
|
|
case ePointerLeave:
|
|
case eTransitionCancel:
|
|
case eTransitionEnd:
|
|
case eTransitionRun:
|
|
case eTransitionStart:
|
|
case eWheel:
|
|
case eLegacyMouseLineOrPageScroll:
|
|
case eLegacyMousePixelScroll:
|
|
return false;
|
|
case eFocus:
|
|
case eBlur:
|
|
case eFocusIn:
|
|
case eFocusOut:
|
|
case eKeyPress:
|
|
case eKeyUp:
|
|
case eKeyDown:
|
|
if (StaticPrefs::dom_forms_always_allow_key_and_focus_events_enabled()) {
|
|
return false;
|
|
}
|
|
[[fallthrough]];
|
|
case ePointerDown:
|
|
case ePointerUp:
|
|
case ePointerCancel:
|
|
case ePointerGotCapture:
|
|
case ePointerLostCapture:
|
|
if (StaticPrefs::dom_forms_always_allow_pointer_events_enabled()) {
|
|
return false;
|
|
}
|
|
[[fallthrough]];
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (aEvent->mSpecifiedEventType == nsGkAtoms::oninput) {
|
|
return false;
|
|
}
|
|
|
|
// FIXME(emilio): This poking at the style of the frame is slightly bogus
|
|
// unless we flush before every event, which we don't really want to do.
|
|
if (aFrame && aFrame->StyleUI()->UserInput() == StyleUserInput::None) {
|
|
return true;
|
|
}
|
|
|
|
return IsDisabled();
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::UpdateFormOwner(bool aBindToTree,
|
|
Element* aFormIdElement) {
|
|
MOZ_ASSERT(IsFormAssociatedElement());
|
|
MOZ_ASSERT(!aBindToTree || !aFormIdElement,
|
|
"aFormIdElement shouldn't be set if aBindToTree is true!");
|
|
|
|
bool needStateUpdate = false;
|
|
if (!aBindToTree) {
|
|
HTMLFormElement* form = GetFormInternal();
|
|
needStateUpdate = form && form->IsDefaultSubmitElement(this);
|
|
ClearForm(true, false);
|
|
}
|
|
|
|
// We have to get form again since the above ClearForm() call might update the
|
|
// form value.
|
|
HTMLFormElement* oldForm = GetFormInternal();
|
|
if (!oldForm) {
|
|
// If @form is set, we have to use that to find the form.
|
|
nsAutoString formId;
|
|
if (GetAttr(kNameSpaceID_None, nsGkAtoms::form, formId)) {
|
|
if (!formId.IsEmpty()) {
|
|
Element* element = nullptr;
|
|
|
|
if (aBindToTree) {
|
|
element = AddFormIdObserver();
|
|
} else {
|
|
element = aFormIdElement;
|
|
}
|
|
|
|
NS_ASSERTION(!IsInComposedDoc() ||
|
|
element == GetUncomposedDocOrConnectedShadowRoot()
|
|
->GetElementById(formId),
|
|
"element should be equals to the current element "
|
|
"associated with the id in @form!");
|
|
|
|
if (element && element->IsHTMLElement(nsGkAtoms::form) &&
|
|
nsContentUtils::IsInSameAnonymousTree(this, element)) {
|
|
SetFormInternal(static_cast<HTMLFormElement*>(element), aBindToTree);
|
|
}
|
|
}
|
|
} else {
|
|
// We now have a parent, so we may have picked up an ancestor form. Search
|
|
// for it. Note that if form is already set we don't want to do this,
|
|
// because that means someone (probably the content sink) has already set
|
|
// it to the right value. Also note that even if being bound here didn't
|
|
// change our parent, we still need to search, since our parent chain
|
|
// probably changed _somewhere_.
|
|
SetFormInternal(FindAncestorForm(), aBindToTree);
|
|
}
|
|
}
|
|
|
|
HTMLFormElement* form = GetFormInternal();
|
|
if (form && !HasFlag(ADDED_TO_FORM)) {
|
|
// Now we need to add ourselves to the form
|
|
nsAutoString nameVal, idVal;
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::name, nameVal);
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::id, idVal);
|
|
|
|
SetFlags(ADDED_TO_FORM);
|
|
|
|
// Notify only if we just found this form.
|
|
form->AddElement(this, true, oldForm == nullptr);
|
|
|
|
if (!nameVal.IsEmpty()) {
|
|
form->AddElementToTable(this, nameVal);
|
|
}
|
|
|
|
if (!idVal.IsEmpty()) {
|
|
form->AddElementToTable(this, idVal);
|
|
}
|
|
}
|
|
|
|
if (form != oldForm || needStateUpdate) {
|
|
UpdateState(true);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::UpdateFieldSet(bool aNotify) {
|
|
if (IsInNativeAnonymousSubtree() || !IsFormAssociatedElement()) {
|
|
MOZ_ASSERT_IF(IsFormAssociatedElement(), !GetFieldSetInternal());
|
|
return;
|
|
}
|
|
|
|
nsIContent* parent = nullptr;
|
|
nsIContent* prev = nullptr;
|
|
HTMLFieldSetElement* fieldset = GetFieldSetInternal();
|
|
|
|
for (parent = GetParent(); parent;
|
|
prev = parent, parent = parent->GetParent()) {
|
|
HTMLFieldSetElement* parentFieldset = HTMLFieldSetElement::FromNode(parent);
|
|
if (parentFieldset && (!prev || parentFieldset->GetFirstLegend() != prev)) {
|
|
if (fieldset == parentFieldset) {
|
|
// We already have the right fieldset;
|
|
return;
|
|
}
|
|
|
|
if (fieldset) {
|
|
fieldset->RemoveElement(this);
|
|
}
|
|
SetFieldSetInternal(parentFieldset);
|
|
parentFieldset->AddElement(this);
|
|
|
|
// The disabled state may have changed
|
|
FieldSetDisabledChanged(aNotify);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// No fieldset found.
|
|
if (fieldset) {
|
|
fieldset->RemoveElement(this);
|
|
SetFieldSetInternal(nullptr);
|
|
// The disabled state may have changed
|
|
FieldSetDisabledChanged(aNotify);
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::UpdateDisabledState(bool aNotify) {
|
|
if (!CanBeDisabled()) {
|
|
return;
|
|
}
|
|
|
|
HTMLFieldSetElement* fieldset = GetFieldSetInternal();
|
|
const bool isDisabled =
|
|
HasAttr(nsGkAtoms::disabled) || (fieldset && fieldset->IsDisabled());
|
|
|
|
const ElementState disabledStates =
|
|
isDisabled ? ElementState::DISABLED : ElementState::ENABLED;
|
|
|
|
ElementState oldDisabledStates = State() & ElementState::DISABLED_STATES;
|
|
ElementState changedStates = disabledStates ^ oldDisabledStates;
|
|
|
|
if (!changedStates.IsEmpty()) {
|
|
ToggleStates(changedStates, aNotify);
|
|
if (DoesReadOnlyApply()) {
|
|
// :disabled influences :read-only / :read-write.
|
|
UpdateState(aNotify);
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLFormElement::FieldSetDisabledChanged(bool aNotify) {
|
|
UpdateDisabledState(aNotify);
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
void nsGenericHTMLElement::Click(CallerType aCallerType) {
|
|
if (IsDisabled() || HandlingClick()) {
|
|
return;
|
|
}
|
|
|
|
// Strong in case the event kills it
|
|
nsCOMPtr<Document> doc = GetComposedDoc();
|
|
|
|
RefPtr<nsPresContext> context;
|
|
if (doc) {
|
|
context = doc->GetPresContext();
|
|
}
|
|
|
|
SetHandlingClick();
|
|
|
|
// Mark this event trusted if Click() is called from system code.
|
|
WidgetMouseEvent event(aCallerType == CallerType::System, eMouseClick,
|
|
nullptr, WidgetMouseEvent::eReal);
|
|
event.mFlags.mIsPositionless = true;
|
|
event.mInputSource = MouseEvent_Binding::MOZ_SOURCE_UNKNOWN;
|
|
|
|
EventDispatcher::Dispatch(static_cast<nsIContent*>(this), context, &event);
|
|
|
|
ClearHandlingClick();
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
|
|
int32_t* aTabIndex) {
|
|
if (ShadowRoot* root = GetShadowRoot()) {
|
|
if (root->DelegatesFocus()) {
|
|
*aIsFocusable = false;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
Document* doc = GetComposedDoc();
|
|
if (!doc || IsInDesignMode()) {
|
|
// In designMode documents we only allow focusing the document.
|
|
if (aTabIndex) {
|
|
*aTabIndex = -1;
|
|
}
|
|
|
|
*aIsFocusable = false;
|
|
|
|
return true;
|
|
}
|
|
|
|
int32_t tabIndex = TabIndex();
|
|
bool disabled = false;
|
|
bool disallowOverridingFocusability = true;
|
|
Maybe<int32_t> attrVal = GetTabIndexAttrValue();
|
|
|
|
if (IsEditableRoot()) {
|
|
// Editable roots should always be focusable.
|
|
disallowOverridingFocusability = true;
|
|
|
|
// Ignore the disabled attribute in editable contentEditable/designMode
|
|
// roots.
|
|
if (attrVal.isNothing()) {
|
|
// The default value for tabindex should be 0 for editable
|
|
// contentEditable roots.
|
|
tabIndex = 0;
|
|
}
|
|
} else {
|
|
disallowOverridingFocusability = false;
|
|
|
|
// Just check for disabled attribute on form controls
|
|
disabled = IsDisabled();
|
|
if (disabled) {
|
|
tabIndex = -1;
|
|
}
|
|
}
|
|
|
|
if (aTabIndex) {
|
|
*aTabIndex = tabIndex;
|
|
}
|
|
|
|
// If a tabindex is specified at all, or the default tabindex is 0, we're
|
|
// focusable
|
|
*aIsFocusable = (tabIndex >= 0 || (!disabled && attrVal.isSome()));
|
|
|
|
return disallowOverridingFocusability;
|
|
}
|
|
|
|
Result<bool, nsresult> nsGenericHTMLElement::PerformAccesskey(
|
|
bool aKeyCausesActivation, bool aIsTrustedEvent) {
|
|
RefPtr<nsPresContext> presContext = GetPresContext(eForComposedDoc);
|
|
if (!presContext) {
|
|
return Err(NS_ERROR_UNEXPECTED);
|
|
}
|
|
|
|
// It's hard to say what HTML4 wants us to do in all cases.
|
|
bool focused = true;
|
|
if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) {
|
|
fm->SetFocus(this, nsIFocusManager::FLAG_BYKEY);
|
|
|
|
// Return true if the element became the current focus within its window.
|
|
nsPIDOMWindowOuter* window = OwnerDoc()->GetWindow();
|
|
focused = window && window->GetFocusedElement() == this;
|
|
}
|
|
|
|
if (aKeyCausesActivation) {
|
|
// Click on it if the users prefs indicate to do so.
|
|
AutoHandlingUserInputStatePusher userInputStatePusher(aIsTrustedEvent);
|
|
AutoPopupStatePusher popupStatePusher(
|
|
aIsTrustedEvent ? PopupBlocker::openAllowed : PopupBlocker::openAbused);
|
|
DispatchSimulatedClick(this, aIsTrustedEvent, presContext);
|
|
return focused;
|
|
}
|
|
|
|
// If the accesskey won't cause the activation and the focus isn't changed,
|
|
// either. Return error so EventStateManager would try to find next element
|
|
// to handle the accesskey.
|
|
return focused ? Result<bool, nsresult>{focused} : Err(NS_ERROR_ABORT);
|
|
}
|
|
|
|
void nsGenericHTMLElement::HandleKeyboardActivation(
|
|
EventChainPostVisitor& aVisitor) {
|
|
MOZ_ASSERT(aVisitor.mEvent->HasKeyEventMessage());
|
|
MOZ_ASSERT(aVisitor.mEvent->IsTrusted());
|
|
|
|
// If focused element is different from this element, it may be editable.
|
|
// In that case, associated editor for the element should handle the keyboard
|
|
// instead. Therefore, if this is not the focused element, we should not
|
|
// handle the event here. Note that this element may be an editing host,
|
|
// i.e., focused and editable. In the case, keyboard events should be
|
|
// handled by the focused element instead of associated editor because
|
|
// Chrome handles the case so. For compatibility with Chrome, we follow them.
|
|
if (nsFocusManager::GetFocusedElementStatic() != this) {
|
|
return;
|
|
}
|
|
|
|
const auto message = aVisitor.mEvent->mMessage;
|
|
const WidgetKeyboardEvent* keyEvent = aVisitor.mEvent->AsKeyboardEvent();
|
|
if (nsEventStatus_eIgnore != aVisitor.mEventStatus) {
|
|
if (message == eKeyUp && keyEvent->mKeyCode == NS_VK_SPACE) {
|
|
// Unset the flag even if the event is default-prevented or something.
|
|
UnsetFlags(HTML_ELEMENT_ACTIVE_FOR_KEYBOARD);
|
|
}
|
|
return;
|
|
}
|
|
|
|
bool shouldActivate = false;
|
|
switch (message) {
|
|
case eKeyDown:
|
|
if (keyEvent->ShouldWorkAsSpaceKey()) {
|
|
SetFlags(HTML_ELEMENT_ACTIVE_FOR_KEYBOARD);
|
|
}
|
|
return;
|
|
case eKeyPress:
|
|
shouldActivate = keyEvent->mKeyCode == NS_VK_RETURN;
|
|
if (keyEvent->ShouldWorkAsSpaceKey()) {
|
|
// Consume 'space' key to prevent scrolling the page down.
|
|
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
break;
|
|
case eKeyUp:
|
|
shouldActivate = keyEvent->ShouldWorkAsSpaceKey() &&
|
|
HasFlag(HTML_ELEMENT_ACTIVE_FOR_KEYBOARD);
|
|
if (shouldActivate) {
|
|
UnsetFlags(HTML_ELEMENT_ACTIVE_FOR_KEYBOARD);
|
|
}
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("why didn't we bail out earlier?");
|
|
break;
|
|
}
|
|
|
|
if (!shouldActivate) {
|
|
return;
|
|
}
|
|
|
|
RefPtr<nsPresContext> presContext = aVisitor.mPresContext;
|
|
DispatchSimulatedClick(this, aVisitor.mEvent->IsTrusted(), presContext);
|
|
aVisitor.mEventStatus = nsEventStatus_eConsumeNoDefault;
|
|
}
|
|
|
|
nsresult nsGenericHTMLElement::DispatchSimulatedClick(
|
|
nsGenericHTMLElement* aElement, bool aIsTrusted,
|
|
nsPresContext* aPresContext) {
|
|
WidgetMouseEvent event(aIsTrusted, eMouseClick, nullptr,
|
|
WidgetMouseEvent::eReal);
|
|
event.mInputSource = MouseEvent_Binding::MOZ_SOURCE_KEYBOARD;
|
|
event.mFlags.mIsPositionless = true;
|
|
// TODO: Bug 1506441
|
|
return EventDispatcher::Dispatch(MOZ_KnownLive(ToSupports(aElement)),
|
|
aPresContext, &event);
|
|
}
|
|
|
|
already_AddRefed<EditorBase> nsGenericHTMLElement::GetAssociatedEditor() {
|
|
// If contenteditable is ever implemented, it might need to do something
|
|
// different here?
|
|
|
|
RefPtr<TextEditor> textEditor = GetTextEditorInternal();
|
|
return textEditor.forget();
|
|
}
|
|
|
|
// static
|
|
void nsGenericHTMLElement::SyncEditorsOnSubtree(nsIContent* content) {
|
|
/* Sync this node */
|
|
nsGenericHTMLElement* element = FromNode(content);
|
|
if (element) {
|
|
if (RefPtr<EditorBase> editorBase = element->GetAssociatedEditor()) {
|
|
editorBase->SyncRealTimeSpell();
|
|
}
|
|
}
|
|
|
|
/* Sync all children */
|
|
for (nsIContent* child = content->GetFirstChild(); child;
|
|
child = child->GetNextSibling()) {
|
|
SyncEditorsOnSubtree(child);
|
|
}
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsEditableRoot() const {
|
|
if (!IsInComposedDoc()) {
|
|
return false;
|
|
}
|
|
|
|
if (IsInDesignMode()) {
|
|
return false;
|
|
}
|
|
|
|
if (GetContentEditableValue() != eTrue) {
|
|
return false;
|
|
}
|
|
|
|
nsIContent* parent = GetParent();
|
|
|
|
return !parent || !parent->HasFlag(NODE_IS_EDITABLE);
|
|
}
|
|
|
|
static void MakeContentDescendantsEditable(nsIContent* aContent) {
|
|
// If aContent is not an element, we just need to update its
|
|
// internal editable state and don't need to notify anyone about
|
|
// that. For elements, we need to send a ElementStateChanged
|
|
// notification.
|
|
if (!aContent->IsElement()) {
|
|
aContent->UpdateEditableState(false);
|
|
return;
|
|
}
|
|
|
|
Element* element = aContent->AsElement();
|
|
|
|
element->UpdateEditableState(true);
|
|
|
|
for (nsIContent* child = aContent->GetFirstChild(); child;
|
|
child = child->GetNextSibling()) {
|
|
if (!child->IsElement() ||
|
|
!child->AsElement()->HasAttr(kNameSpaceID_None,
|
|
nsGkAtoms::contenteditable)) {
|
|
MakeContentDescendantsEditable(child);
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLElement::ChangeEditableState(int32_t aChange) {
|
|
Document* document = GetComposedDoc();
|
|
if (!document) {
|
|
return;
|
|
}
|
|
|
|
Document::EditingState previousEditingState = Document::EditingState::eOff;
|
|
if (aChange != 0) {
|
|
document->ChangeContentEditableCount(this, aChange);
|
|
previousEditingState = document->GetEditingState();
|
|
}
|
|
|
|
// MakeContentDescendantsEditable is going to call ElementStateChanged for
|
|
// this element and all descendants if editable state has changed.
|
|
// We might as well wrap it all in one script blocker.
|
|
nsAutoScriptBlocker scriptBlocker;
|
|
MakeContentDescendantsEditable(this);
|
|
|
|
// If the document already had contenteditable and JS adds new
|
|
// contenteditable, that might cause changing editing host to current editing
|
|
// host's ancestor. In such case, HTMLEditor needs to know that
|
|
// synchronously to update selection limitter.
|
|
// Additionally, elements in shadow DOM is not editable in the normal cases,
|
|
// but if its content has `contenteditable`, only in it can be ediable.
|
|
// So we don't need to notify HTMLEditor of this change only when we're not
|
|
// in shadow DOM and the composed document is in design mode.
|
|
if (IsInDesignMode() && !IsInShadowTree() && aChange > 0 &&
|
|
previousEditingState == Document::EditingState::eContentEditable) {
|
|
if (HTMLEditor* htmlEditor =
|
|
nsContentUtils::GetHTMLEditor(document->GetPresContext())) {
|
|
htmlEditor->NotifyEditingHostMaybeChanged();
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsGenericHTMLFormControlElement::nsGenericHTMLFormControlElement(
|
|
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo, FormControlType aType)
|
|
: nsGenericHTMLFormElement(std::move(aNodeInfo)),
|
|
nsIFormControl(aType),
|
|
mForm(nullptr),
|
|
mFieldSet(nullptr) {}
|
|
|
|
nsGenericHTMLFormControlElement::~nsGenericHTMLFormControlElement() {
|
|
if (mFieldSet) {
|
|
mFieldSet->RemoveElement(this);
|
|
}
|
|
|
|
// Check that this element doesn't know anything about its form at this point.
|
|
NS_ASSERTION(!mForm, "mForm should be null at this point!");
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS_INHERITED(nsGenericHTMLFormControlElement,
|
|
nsGenericHTMLFormElement, nsIFormControl)
|
|
|
|
nsINode* nsGenericHTMLFormControlElement::GetScopeChainParent() const {
|
|
return mForm ? mForm : nsGenericHTMLElement::GetScopeChainParent();
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::SaveSubtreeState() {
|
|
SaveState();
|
|
|
|
nsGenericHTMLFormElement::SaveSubtreeState();
|
|
}
|
|
|
|
nsIContent::IMEState nsGenericHTMLFormControlElement::GetDesiredIMEState() {
|
|
TextEditor* textEditor = GetTextEditorInternal();
|
|
if (!textEditor) {
|
|
return nsGenericHTMLFormElement::GetDesiredIMEState();
|
|
}
|
|
IMEState state;
|
|
nsresult rv = textEditor->GetPreferredIMEState(&state);
|
|
if (NS_FAILED(rv)) {
|
|
return nsGenericHTMLFormElement::GetDesiredIMEState();
|
|
}
|
|
return state;
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::UnbindFromTree(bool aNullParent) {
|
|
// Save state before doing anything
|
|
SaveState();
|
|
nsGenericHTMLFormElement::UnbindFromTree(aNullParent);
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::GetAutocapitalize(
|
|
nsAString& aValue) const {
|
|
if (nsContentUtils::HasNonEmptyAttr(this, kNameSpaceID_None,
|
|
nsGkAtoms::autocapitalize)) {
|
|
nsGenericHTMLFormElement::GetAutocapitalize(aValue);
|
|
return;
|
|
}
|
|
|
|
if (mForm && IsAutocapitalizeInheriting()) {
|
|
mForm->GetAutocapitalize(aValue);
|
|
}
|
|
}
|
|
|
|
bool nsGenericHTMLFormControlElement::IsHTMLFocusable(bool aWithMouse,
|
|
bool* aIsFocusable,
|
|
int32_t* aTabIndex) {
|
|
if (nsGenericHTMLFormElement::IsHTMLFocusable(aWithMouse, aIsFocusable,
|
|
aTabIndex)) {
|
|
return true;
|
|
}
|
|
|
|
*aIsFocusable = *aIsFocusable && IsFormControlDefaultFocusable(aWithMouse);
|
|
return false;
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::GetEventTargetParent(
|
|
EventChainPreVisitor& aVisitor) {
|
|
if (aVisitor.mEvent->IsTrusted() && (aVisitor.mEvent->mMessage == eFocus ||
|
|
aVisitor.mEvent->mMessage == eBlur)) {
|
|
// We have to handle focus/blur event to change focus states in
|
|
// PreHandleEvent to prevent it breaks event target chain creation.
|
|
aVisitor.mWantsPreHandleEvent = true;
|
|
}
|
|
nsGenericHTMLFormElement::GetEventTargetParent(aVisitor);
|
|
}
|
|
|
|
nsresult nsGenericHTMLFormControlElement::PreHandleEvent(
|
|
EventChainVisitor& aVisitor) {
|
|
if (aVisitor.mEvent->IsTrusted()) {
|
|
switch (aVisitor.mEvent->mMessage) {
|
|
case eFocus: {
|
|
// Check to see if focus has bubbled up from a form control's
|
|
// child textfield or button. If that's the case, don't focus
|
|
// this parent file control -- leave focus on the child.
|
|
nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
|
|
if (formControlFrame &&
|
|
aVisitor.mEvent->mOriginalTarget == static_cast<nsINode*>(this)) {
|
|
formControlFrame->SetFocus(true, true);
|
|
}
|
|
break;
|
|
}
|
|
case eBlur: {
|
|
nsIFormControlFrame* formControlFrame = GetFormControlFrame(true);
|
|
if (formControlFrame) {
|
|
formControlFrame->SetFocus(false, false);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return nsGenericHTMLFormElement::PreHandleEvent(aVisitor);
|
|
}
|
|
|
|
HTMLFieldSetElement* nsGenericHTMLFormControlElement::GetFieldSet() {
|
|
return GetFieldSetInternal();
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::SetForm(HTMLFormElement* aForm) {
|
|
MOZ_ASSERT(aForm, "Don't pass null here");
|
|
NS_ASSERTION(!mForm,
|
|
"We don't support switching from one non-null form to another.");
|
|
|
|
SetFormInternal(aForm, false);
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::ClearForm(bool aRemoveFromForm,
|
|
bool aUnbindOrDelete) {
|
|
nsGenericHTMLFormElement::ClearForm(aRemoveFromForm, aUnbindOrDelete);
|
|
}
|
|
|
|
ElementState nsGenericHTMLFormControlElement::IntrinsicState() const {
|
|
// If you add attribute-dependent states here, you need to add them to
|
|
// AfterSetAttr too. And add them to AfterSetAttr for all subclasses that
|
|
// implement IntrinsicState() and are affected by that attribute.
|
|
ElementState state = nsGenericHTMLFormElement::IntrinsicState();
|
|
|
|
if (mForm && mForm->IsDefaultSubmitElement(this)) {
|
|
NS_ASSERTION(IsSubmitControl(),
|
|
"Default submit element that isn't a submit control.");
|
|
// We are the default submit element (:default)
|
|
state |= ElementState::DEFAULT;
|
|
}
|
|
|
|
// Make the text controls read-write
|
|
if (!state.HasState(ElementState::READWRITE) && DoesReadOnlyApply()) {
|
|
if (!GetBoolAttr(nsGkAtoms::readonly) && !IsDisabled()) {
|
|
state |= ElementState::READWRITE;
|
|
state &= ~ElementState::READONLY;
|
|
}
|
|
}
|
|
|
|
return state;
|
|
}
|
|
|
|
bool nsGenericHTMLFormControlElement::IsLabelable() const {
|
|
auto type = ControlType();
|
|
return (IsInputElement(type) && type != FormControlType::InputHidden) ||
|
|
IsButtonElement(type) || type == FormControlType::Output ||
|
|
type == FormControlType::Select || type == FormControlType::Textarea;
|
|
}
|
|
|
|
bool nsGenericHTMLFormControlElement::CanBeDisabled() const {
|
|
auto type = ControlType();
|
|
// It's easier to test the types that _cannot_ be disabled
|
|
return type != FormControlType::Object && type != FormControlType::Output;
|
|
}
|
|
|
|
bool nsGenericHTMLFormControlElement::DoesReadOnlyApply() const {
|
|
auto type = ControlType();
|
|
if (!IsInputElement(type) && type != FormControlType::Textarea) {
|
|
return false;
|
|
}
|
|
|
|
switch (type) {
|
|
case FormControlType::InputHidden:
|
|
case FormControlType::InputButton:
|
|
case FormControlType::InputImage:
|
|
case FormControlType::InputReset:
|
|
case FormControlType::InputSubmit:
|
|
case FormControlType::InputRadio:
|
|
case FormControlType::InputFile:
|
|
case FormControlType::InputCheckbox:
|
|
case FormControlType::InputRange:
|
|
case FormControlType::InputColor:
|
|
return false;
|
|
#ifdef DEBUG
|
|
case FormControlType::Textarea:
|
|
case FormControlType::InputText:
|
|
case FormControlType::InputPassword:
|
|
case FormControlType::InputSearch:
|
|
case FormControlType::InputTel:
|
|
case FormControlType::InputEmail:
|
|
case FormControlType::InputUrl:
|
|
case FormControlType::InputNumber:
|
|
case FormControlType::InputDate:
|
|
case FormControlType::InputTime:
|
|
case FormControlType::InputMonth:
|
|
case FormControlType::InputWeek:
|
|
case FormControlType::InputDatetimeLocal:
|
|
return true;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("Unexpected input type in DoesReadOnlyApply()");
|
|
return true;
|
|
#else // DEBUG
|
|
default:
|
|
return true;
|
|
#endif // DEBUG
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::SetFormInternal(HTMLFormElement* aForm,
|
|
bool aBindToTree) {
|
|
if (aForm) {
|
|
BeforeSetForm(aBindToTree);
|
|
}
|
|
|
|
// keep a *weak* ref to the form here
|
|
mForm = aForm;
|
|
}
|
|
|
|
HTMLFormElement* nsGenericHTMLFormControlElement::GetFormInternal() const {
|
|
return mForm;
|
|
}
|
|
|
|
HTMLFieldSetElement* nsGenericHTMLFormControlElement::GetFieldSetInternal()
|
|
const {
|
|
return mFieldSet;
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::SetFieldSetInternal(
|
|
HTMLFieldSetElement* aFieldset) {
|
|
mFieldSet = aFieldset;
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElement::UpdateRequiredState(bool aIsRequired,
|
|
bool aNotify) {
|
|
#ifdef DEBUG
|
|
auto type = ControlType();
|
|
#endif
|
|
MOZ_ASSERT(IsInputElement(type) || type == FormControlType::Select ||
|
|
type == FormControlType::Textarea,
|
|
"This should be called only on types that @required applies");
|
|
|
|
#ifdef DEBUG
|
|
if (HTMLInputElement* input = HTMLInputElement::FromNode(this)) {
|
|
MOZ_ASSERT(
|
|
input->DoesRequiredApply(),
|
|
"This should be called only on input types that @required applies");
|
|
}
|
|
#endif
|
|
|
|
ElementState requiredStates;
|
|
if (aIsRequired) {
|
|
requiredStates |= ElementState::REQUIRED;
|
|
} else {
|
|
requiredStates |= ElementState::OPTIONAL_;
|
|
}
|
|
|
|
ElementState oldRequiredStates = State() & ElementState::REQUIRED_STATES;
|
|
ElementState changedStates = requiredStates ^ oldRequiredStates;
|
|
|
|
if (!changedStates.IsEmpty()) {
|
|
ToggleStates(changedStates, aNotify);
|
|
}
|
|
}
|
|
|
|
bool nsGenericHTMLFormControlElement::IsAutocapitalizeInheriting() const {
|
|
auto type = ControlType();
|
|
return IsInputElement(type) || IsButtonElement(type) ||
|
|
type == FormControlType::Fieldset || type == FormControlType::Output ||
|
|
type == FormControlType::Select || type == FormControlType::Textarea;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
static const nsAttrValue::EnumTable kPopoverTargetActionTable[] = {
|
|
{"toggle", PopoverTargetAction::Toggle},
|
|
{"show", PopoverTargetAction::Show},
|
|
{"hide", PopoverTargetAction::Hide},
|
|
{nullptr, 0}};
|
|
|
|
static const nsAttrValue::EnumTable* kPopoverTargetActionDefault =
|
|
&kPopoverTargetActionTable[0];
|
|
|
|
nsGenericHTMLFormControlElementWithState::
|
|
nsGenericHTMLFormControlElementWithState(
|
|
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
|
|
FromParser aFromParser, FormControlType aType)
|
|
: nsGenericHTMLFormControlElement(std::move(aNodeInfo), aType),
|
|
mControlNumber(!!(aFromParser & FROM_PARSER_NETWORK)
|
|
? OwnerDoc()->GetNextControlNumber()
|
|
: -1) {
|
|
mStateKey.SetIsVoid(true);
|
|
}
|
|
|
|
bool nsGenericHTMLFormControlElementWithState::ParseAttribute(
|
|
int32_t aNamespaceID, nsAtom* aAttribute, const nsAString& aValue,
|
|
nsIPrincipal* aMaybeScriptedPrincipal, nsAttrValue& aResult) {
|
|
if (aNamespaceID == kNameSpaceID_None &&
|
|
StaticPrefs::dom_element_popover_enabled()) {
|
|
if (aAttribute == nsGkAtoms::popovertargetaction) {
|
|
return aResult.ParseEnumValue(aValue, kPopoverTargetActionTable, false,
|
|
kPopoverTargetActionDefault);
|
|
}
|
|
if (aAttribute == nsGkAtoms::popovertarget) {
|
|
aResult.ParseAtom(aValue);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return nsGenericHTMLFormControlElement::ParseAttribute(
|
|
aNamespaceID, aAttribute, aValue, aMaybeScriptedPrincipal, aResult);
|
|
}
|
|
|
|
mozilla::dom::Element*
|
|
nsGenericHTMLFormControlElementWithState::GetPopoverTargetElement() const {
|
|
return GetAttrAssociatedElement(nsGkAtoms::popovertarget);
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElementWithState::SetPopoverTargetElement(
|
|
mozilla::dom::Element* aElement) {
|
|
ExplicitlySetAttrElement(nsGkAtoms::popovertarget, aElement);
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElementWithState::HandlePopoverTargetAction() {
|
|
RefPtr<nsGenericHTMLElement> target = GetEffectivePopoverTargetElement();
|
|
if (!target) {
|
|
return;
|
|
}
|
|
|
|
const nsAttrValue* value = GetParsedAttr(nsGkAtoms::popovertargetaction);
|
|
if (!value) {
|
|
return;
|
|
}
|
|
|
|
auto action = static_cast<PopoverTargetAction>(value->GetEnumValue());
|
|
bool canHide = action == PopoverTargetAction::Hide ||
|
|
action == PopoverTargetAction::Toggle;
|
|
bool canShow = action == PopoverTargetAction::Show ||
|
|
action == PopoverTargetAction::Toggle;
|
|
|
|
if (canHide && target->IsPopoverOpen()) {
|
|
target->HidePopover(IgnoreErrors());
|
|
} else if (canShow && !target->IsPopoverOpen()) {
|
|
target->GetPopoverData()->SetInvoker(this);
|
|
target->ShowPopover(IgnoreErrors());
|
|
}
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElementWithState::GenerateStateKey() {
|
|
// Keep the key if already computed
|
|
if (!mStateKey.IsVoid()) {
|
|
return;
|
|
}
|
|
|
|
Document* doc = GetUncomposedDoc();
|
|
if (!doc) {
|
|
mStateKey.Truncate();
|
|
return;
|
|
}
|
|
|
|
// Generate the state key
|
|
nsContentUtils::GenerateStateKey(this, doc, mStateKey);
|
|
|
|
// If the state key is blank, this is anonymous content or for whatever
|
|
// reason we are not supposed to save/restore state: keep it as such.
|
|
if (!mStateKey.IsEmpty()) {
|
|
// Add something unique to content so layout doesn't muck us up.
|
|
mStateKey += "-C";
|
|
}
|
|
}
|
|
|
|
PresState* nsGenericHTMLFormControlElementWithState::GetPrimaryPresState() {
|
|
if (mStateKey.IsEmpty()) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsILayoutHistoryState> history = GetLayoutHistory(false);
|
|
|
|
if (!history) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Get the pres state for this key, if it doesn't exist, create one.
|
|
PresState* result = history->GetState(mStateKey);
|
|
if (!result) {
|
|
UniquePtr<PresState> newState = NewPresState();
|
|
result = newState.get();
|
|
history->AddState(mStateKey, std::move(newState));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
already_AddRefed<nsILayoutHistoryState>
|
|
nsGenericHTMLFormControlElementWithState::GetLayoutHistory(bool aRead) {
|
|
nsCOMPtr<Document> doc = GetUncomposedDoc();
|
|
if (!doc) {
|
|
return nullptr;
|
|
}
|
|
|
|
//
|
|
// Get the history
|
|
//
|
|
nsCOMPtr<nsILayoutHistoryState> history = doc->GetLayoutHistoryState();
|
|
if (!history) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (aRead && !history->HasStates()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return history.forget();
|
|
}
|
|
|
|
bool nsGenericHTMLFormControlElementWithState::RestoreFormControlState() {
|
|
MOZ_ASSERT(!mStateKey.IsVoid(),
|
|
"GenerateStateKey must already have been called");
|
|
|
|
if (mStateKey.IsEmpty()) {
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsILayoutHistoryState> history = GetLayoutHistory(true);
|
|
if (!history) {
|
|
return false;
|
|
}
|
|
|
|
// Get the pres state for this key
|
|
PresState* state = history->GetState(mStateKey);
|
|
if (state) {
|
|
bool result = RestoreState(state);
|
|
history->RemoveState(mStateKey);
|
|
return result;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElementWithState::NodeInfoChanged(
|
|
Document* aOldDoc) {
|
|
nsGenericHTMLFormControlElement::NodeInfoChanged(aOldDoc);
|
|
|
|
// We need to regenerate the state key now we're in a new document. Clearing
|
|
// mControlNumber means we stop considering this control to be parser
|
|
// inserted, and we'll generate a state key based on its position in the
|
|
// document rather than the order it was inserted into the document.
|
|
mControlNumber = -1;
|
|
mStateKey.SetIsVoid(true);
|
|
}
|
|
|
|
void nsGenericHTMLFormControlElementWithState::GetFormAction(nsString& aValue) {
|
|
auto type = ControlType();
|
|
if (!IsInputElement(type) && !IsButtonElement(type)) {
|
|
return;
|
|
}
|
|
|
|
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::formaction, aValue) ||
|
|
aValue.IsEmpty()) {
|
|
Document* document = OwnerDoc();
|
|
nsIURI* docURI = document->GetDocumentURI();
|
|
if (docURI) {
|
|
nsAutoCString spec;
|
|
nsresult rv = docURI->GetSpec(spec);
|
|
if (NS_FAILED(rv)) {
|
|
return;
|
|
}
|
|
|
|
CopyUTF8toUTF16(spec, aValue);
|
|
}
|
|
} else {
|
|
GetURIAttr(nsGkAtoms::formaction, nullptr, aValue);
|
|
}
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsEventAttributeNameInternal(nsAtom* aName) {
|
|
return nsContentUtils::IsEventAttributeName(aName, EventNameType_HTML);
|
|
}
|
|
|
|
/**
|
|
* Construct a URI from a string, as an element.src attribute
|
|
* would be set to. Helper for the media elements.
|
|
*/
|
|
nsresult nsGenericHTMLElement::NewURIFromString(const nsAString& aURISpec,
|
|
nsIURI** aURI) {
|
|
NS_ENSURE_ARG_POINTER(aURI);
|
|
|
|
*aURI = nullptr;
|
|
|
|
nsCOMPtr<Document> doc = OwnerDoc();
|
|
|
|
nsresult rv = nsContentUtils::NewURIWithDocumentCharset(aURI, aURISpec, doc,
|
|
GetBaseURI());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
bool equal;
|
|
if (aURISpec.IsEmpty() && doc->GetDocumentURI() &&
|
|
NS_SUCCEEDED(doc->GetDocumentURI()->Equals(*aURI, &equal)) && equal) {
|
|
// Assume an element can't point to a fragment of its embedding
|
|
// document. Fail here instead of returning the recursive URI
|
|
// and waiting for the subsequent load to fail.
|
|
NS_RELEASE(*aURI);
|
|
return NS_ERROR_DOM_INVALID_STATE_ERR;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsGenericHTMLElement::GetInnerText(mozilla::dom::DOMString& aValue,
|
|
mozilla::ErrorResult& aError) {
|
|
// innerText depends on layout. For example, white space processing is
|
|
// something that happens during reflow and which must be reflected by
|
|
// innerText. So for:
|
|
//
|
|
// <div style="white-space:normal"> A B C </div>
|
|
//
|
|
// innerText should give "A B C".
|
|
//
|
|
// The approach taken here to avoid the expense of reflow is to flush style
|
|
// and then see whether it's necessary to flush layout afterwards. Flushing
|
|
// layout can be skipped if we can detect that the element or its descendants
|
|
// are not dirty.
|
|
|
|
// Obtain the composed doc to handle elements in Shadow DOM.
|
|
Document* doc = GetComposedDoc();
|
|
if (doc) {
|
|
doc->FlushPendingNotifications(FlushType::Style);
|
|
}
|
|
|
|
// Elements with `display: content` will not have a frame. To handle Shadow
|
|
// DOM, walk the flattened tree looking for parent frame.
|
|
nsIFrame* frame = GetPrimaryFrame();
|
|
if (IsDisplayContents()) {
|
|
for (Element* parent = GetFlattenedTreeParentElement(); parent;
|
|
parent = parent->GetFlattenedTreeParentElement()) {
|
|
frame = parent->GetPrimaryFrame();
|
|
if (frame) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check for dirty reflow roots in the subtree from targetFrame; this requires
|
|
// a reflow flush.
|
|
bool dirty = frame && frame->PresShell()->FrameIsAncestorOfDirtyRoot(frame);
|
|
|
|
// The way we do that is by checking whether the element has either of the two
|
|
// dirty bits (NS_FRAME_IS_DIRTY or NS_FRAME_HAS_DIRTY_DESCENDANTS) or if any
|
|
// ancestor has NS_FRAME_IS_DIRTY. We need to check for NS_FRAME_IS_DIRTY on
|
|
// ancestors since that is something that implies NS_FRAME_IS_DIRTY on all
|
|
// descendants.
|
|
dirty |= frame && frame->HasAnyStateBits(NS_FRAME_HAS_DIRTY_CHILDREN);
|
|
while (!dirty && frame) {
|
|
dirty |= frame->HasAnyStateBits(NS_FRAME_IS_DIRTY);
|
|
frame = frame->GetInFlowParent();
|
|
}
|
|
|
|
// Flush layout if we determined a reflow is required.
|
|
if (dirty && doc) {
|
|
doc->FlushPendingNotifications(FlushType::Layout);
|
|
}
|
|
|
|
if (!IsRendered()) {
|
|
GetTextContentInternal(aValue, aError);
|
|
} else {
|
|
nsRange::GetInnerTextNoFlush(aValue, aError, this);
|
|
}
|
|
}
|
|
|
|
static already_AddRefed<nsINode> TextToNode(const nsAString& aString,
|
|
nsNodeInfoManager* aNim) {
|
|
nsString str;
|
|
const char16_t* s = aString.BeginReading();
|
|
const char16_t* end = aString.EndReading();
|
|
RefPtr<DocumentFragment> fragment;
|
|
while (true) {
|
|
if (s != end && *s == '\r' && s + 1 != end && s[1] == '\n') {
|
|
// a \r\n pair should only generate one <br>, so just skip the \r
|
|
++s;
|
|
}
|
|
if (s == end || *s == '\r' || *s == '\n') {
|
|
if (!str.IsEmpty()) {
|
|
RefPtr<nsTextNode> textContent = new (aNim) nsTextNode(aNim);
|
|
textContent->SetText(str, true);
|
|
if (!fragment) {
|
|
if (s == end) {
|
|
return textContent.forget();
|
|
}
|
|
fragment = new (aNim) DocumentFragment(aNim);
|
|
}
|
|
fragment->AppendChildTo(textContent, true, IgnoreErrors());
|
|
}
|
|
if (s == end) {
|
|
break;
|
|
}
|
|
str.Truncate();
|
|
RefPtr<NodeInfo> ni = aNim->GetNodeInfo(
|
|
nsGkAtoms::br, nullptr, kNameSpaceID_XHTML, nsINode::ELEMENT_NODE);
|
|
auto* nim = ni->NodeInfoManager();
|
|
RefPtr<HTMLBRElement> br = new (nim) HTMLBRElement(ni.forget());
|
|
if (!fragment) {
|
|
if (s + 1 == end) {
|
|
return br.forget();
|
|
}
|
|
fragment = new (aNim) DocumentFragment(aNim);
|
|
}
|
|
fragment->AppendChildTo(br, true, IgnoreErrors());
|
|
} else {
|
|
str.Append(*s);
|
|
}
|
|
++s;
|
|
}
|
|
return fragment.forget();
|
|
}
|
|
|
|
void nsGenericHTMLElement::SetInnerText(const nsAString& aValue) {
|
|
RefPtr<nsINode> node = TextToNode(aValue, NodeInfo()->NodeInfoManager());
|
|
ReplaceChildren(node, IgnoreErrors());
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#merge-with-the-next-text-node
|
|
static void MergeWithNextTextNode(Text& aText, ErrorResult& aRv) {
|
|
RefPtr<Text> nextSibling = Text::FromNodeOrNull(aText.GetNextSibling());
|
|
if (!nextSibling) {
|
|
return;
|
|
}
|
|
nsAutoString data;
|
|
nextSibling->GetData(data);
|
|
aText.AppendData(data, aRv);
|
|
nextSibling->Remove();
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#dom-outertext
|
|
void nsGenericHTMLElement::SetOuterText(const nsAString& aValue,
|
|
ErrorResult& aRv) {
|
|
nsCOMPtr<nsINode> parent = GetParentNode();
|
|
if (!parent) {
|
|
return aRv.ThrowNoModificationAllowedError("Element has no parent");
|
|
}
|
|
|
|
RefPtr<nsINode> next = GetNextSibling();
|
|
RefPtr<nsINode> previous = GetPreviousSibling();
|
|
|
|
// Batch possible DOMSubtreeModified events.
|
|
mozAutoSubtreeModified subtree(OwnerDoc(), nullptr);
|
|
|
|
nsNodeInfoManager* nim = NodeInfo()->NodeInfoManager();
|
|
RefPtr<nsINode> node = TextToNode(aValue, nim);
|
|
if (!node) {
|
|
// This doesn't match the spec, see
|
|
// https://github.com/whatwg/html/issues/7508
|
|
node = new (nim) nsTextNode(nim);
|
|
}
|
|
parent->ReplaceChild(*node, *this, aRv);
|
|
if (aRv.Failed()) {
|
|
return;
|
|
}
|
|
|
|
if (next) {
|
|
if (RefPtr<Text> text = Text::FromNodeOrNull(next->GetPreviousSibling())) {
|
|
MergeWithNextTextNode(*text, aRv);
|
|
if (aRv.Failed()) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
if (auto* text = Text::FromNodeOrNull(previous)) {
|
|
MergeWithNextTextNode(*text, aRv);
|
|
}
|
|
}
|
|
|
|
// This should be true when `:open` should match.
|
|
bool nsGenericHTMLElement::PopoverOpen() const {
|
|
if (PopoverData* popoverData = GetPopoverData()) {
|
|
return popoverData->GetPopoverVisibilityState() ==
|
|
PopoverVisibilityState::Showing;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#check-popover-validity
|
|
bool nsGenericHTMLElement::CheckPopoverValidity(
|
|
PopoverVisibilityState aExpectedState, Document* aExpectedDocument,
|
|
ErrorResult& aRv) {
|
|
const PopoverData* data = GetPopoverData();
|
|
if (!data ||
|
|
data->GetPopoverAttributeState() == PopoverAttributeState::None) {
|
|
MOZ_ASSERT(!HasAttr(nsGkAtoms::popover));
|
|
aRv.ThrowNotSupportedError("Element is in the no popover state");
|
|
return false;
|
|
}
|
|
|
|
MOZ_ASSERT(HasAttr(nsGkAtoms::popover));
|
|
|
|
if (data->GetPopoverVisibilityState() != aExpectedState) {
|
|
return false;
|
|
}
|
|
|
|
if (!IsInComposedDoc()) {
|
|
aRv.ThrowInvalidStateError("Element is not connected");
|
|
return false;
|
|
}
|
|
|
|
if (aExpectedDocument && aExpectedDocument != OwnerDoc()) {
|
|
aRv.ThrowInvalidStateError("Element is moved to other document");
|
|
return false;
|
|
}
|
|
|
|
if (IsHTMLElement(nsGkAtoms::dialog) && HasAttr(nsGkAtoms::open)) {
|
|
aRv.ThrowInvalidStateError("Element is an open <dialog> element");
|
|
return false;
|
|
}
|
|
|
|
if (State().HasState(ElementState::FULLSCREEN)) {
|
|
aRv.ThrowInvalidStateError("Element is fullscreen");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
PopoverAttributeState nsGenericHTMLElement::GetPopoverAttributeState() const {
|
|
return GetPopoverData() ? GetPopoverData()->GetPopoverAttributeState()
|
|
: PopoverAttributeState::None;
|
|
}
|
|
|
|
void nsGenericHTMLElement::PopoverPseudoStateUpdate(bool aOpen, bool aNotify) {
|
|
ElementState newPopoverState;
|
|
if (aOpen) {
|
|
newPopoverState = ElementState::POPOVER_OPEN;
|
|
}
|
|
|
|
ElementState oldPopoverState = State() & ElementState::POPOVER_OPEN;
|
|
ElementState changedState = newPopoverState ^ oldPopoverState;
|
|
ToggleStates(changedState, aNotify);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::FireToggleEvent(PopoverVisibilityState aOldState,
|
|
PopoverVisibilityState aNewState,
|
|
const nsAString& aType) {
|
|
auto stringForState = [](PopoverVisibilityState state) {
|
|
return state == PopoverVisibilityState::Hidden ? u"closed"_ns : u"open"_ns;
|
|
};
|
|
|
|
ToggleEventInit init;
|
|
init.mBubbles = false;
|
|
init.mOldState = stringForState(aOldState);
|
|
init.mNewState = stringForState(aNewState);
|
|
if (aType == u"beforetoggle"_ns &&
|
|
aNewState == PopoverVisibilityState::Showing) {
|
|
init.mCancelable = true;
|
|
} else {
|
|
init.mCancelable = false;
|
|
}
|
|
RefPtr<ToggleEvent> event = ToggleEvent::Constructor(this, aType, init);
|
|
event->SetTrusted(true);
|
|
event->SetTarget(this);
|
|
|
|
EventDispatcher::DispatchDOMEvent(MOZ_KnownLive(ToSupports(this)), nullptr,
|
|
event, nullptr, nullptr);
|
|
return event->DefaultPrevented();
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#queue-a-popover-toggle-event-task
|
|
void nsGenericHTMLElement::QueuePopoverEventTask(
|
|
PopoverVisibilityState aOldState) {
|
|
auto* data = GetPopoverData();
|
|
MOZ_ASSERT(data, "Should have popover data");
|
|
|
|
if (auto* queuedToggleEventTask = data->GetToggleEventTask()) {
|
|
aOldState = queuedToggleEventTask->GetOldState();
|
|
}
|
|
|
|
auto task =
|
|
MakeRefPtr<PopoverToggleEventTask>(do_GetWeakReference(this), aOldState);
|
|
data->SetToggleEventTask(task);
|
|
|
|
OwnerDoc()->Dispatch(TaskCategory::UI, task.forget());
|
|
}
|
|
|
|
void nsGenericHTMLElement::RunPopoverToggleEventTask(
|
|
PopoverToggleEventTask* aTask, PopoverVisibilityState aOldState) {
|
|
auto* data = GetPopoverData();
|
|
if (!data) {
|
|
return;
|
|
}
|
|
|
|
auto* popoverToggleEventTask = data->GetToggleEventTask();
|
|
if (!popoverToggleEventTask || aTask != popoverToggleEventTask) {
|
|
return;
|
|
}
|
|
data->ClearToggleEventTask();
|
|
// Intentionally ignore the return value here as only on open event the
|
|
// cancelable attribute is initialized to true for beforetoggle event.
|
|
FireToggleEvent(aOldState, data->GetPopoverVisibilityState(), u"toggle"_ns);
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#dom-showpopover
|
|
void nsGenericHTMLElement::ShowPopover(ErrorResult& aRv) {
|
|
if (!CheckPopoverValidity(PopoverVisibilityState::Hidden, nullptr, aRv)) {
|
|
return;
|
|
}
|
|
RefPtr<Document> document = OwnerDoc();
|
|
MOZ_ASSERT(!OwnerDoc()->TopLayerContains(*this));
|
|
|
|
// Fire beforetoggle event and re-check popover validity.
|
|
if (FireToggleEvent(PopoverVisibilityState::Hidden,
|
|
PopoverVisibilityState::Showing, u"beforetoggle"_ns)) {
|
|
return;
|
|
}
|
|
if (!CheckPopoverValidity(PopoverVisibilityState::Hidden, document, aRv)) {
|
|
return;
|
|
}
|
|
|
|
bool shouldRestoreFocus = false;
|
|
nsWeakPtr originallyFocusedElement;
|
|
if (IsAutoPopover()) {
|
|
RefPtr<Element> ancestor = GetTopmostPopoverAncestor();
|
|
if (!ancestor) {
|
|
ancestor = document->GetDocumentElement();
|
|
}
|
|
document->HideAllPopoversUntil(*ancestor, false, true);
|
|
|
|
// TODO: Handle if document changes, see
|
|
// https://github.com/whatwg/html/issues/9177
|
|
if (!IsAutoPopover() ||
|
|
!CheckPopoverValidity(PopoverVisibilityState::Hidden, document, aRv)) {
|
|
return;
|
|
}
|
|
|
|
shouldRestoreFocus = !document->GetTopmostAutoPopover();
|
|
// Let originallyFocusedElement be document's focused area of the document's
|
|
// DOM anchor.
|
|
if (nsIContent* unretargetedFocus =
|
|
document->GetUnretargetedFocusedContent()) {
|
|
originallyFocusedElement =
|
|
do_GetWeakReference(unretargetedFocus->AsElement());
|
|
}
|
|
}
|
|
|
|
document->AddPopoverToTopLayer(*this);
|
|
|
|
PopoverPseudoStateUpdate(true, true);
|
|
GetPopoverData()->SetPopoverVisibilityState(PopoverVisibilityState::Showing);
|
|
|
|
// Run the popover focusing steps given element.
|
|
FocusPopover();
|
|
if (shouldRestoreFocus &&
|
|
GetPopoverAttributeState() != PopoverAttributeState::None) {
|
|
GetPopoverData()->SetPreviouslyFocusedElement(originallyFocusedElement);
|
|
}
|
|
|
|
// Queue popover toggle event task.
|
|
QueuePopoverEventTask(PopoverVisibilityState::Hidden);
|
|
}
|
|
|
|
void nsGenericHTMLElement::HidePopoverWithoutRunningScript() {
|
|
HidePopoverInternal(/* aFocusPreviousElement = */ false,
|
|
/* aFireEvents = */ false, IgnoreErrors());
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/#dom-hidepopover
|
|
void nsGenericHTMLElement::HidePopover(ErrorResult& aRv) {
|
|
HidePopoverInternal(/* aFocusPreviousElement = */ true,
|
|
/* aFireEvents = */ true, aRv);
|
|
}
|
|
|
|
void nsGenericHTMLElement::HidePopoverInternal(bool aFocusPreviousElement,
|
|
bool aFireEvents,
|
|
ErrorResult& aRv) {
|
|
OwnerDoc()->HidePopover(*this, aFocusPreviousElement, aFireEvents, aRv);
|
|
}
|
|
|
|
void nsGenericHTMLElement::ForgetPreviouslyFocusedElementAfterHidingPopover() {
|
|
auto* data = GetPopoverData();
|
|
MOZ_ASSERT(data, "Should have popover data");
|
|
data->SetPreviouslyFocusedElement(nullptr);
|
|
}
|
|
|
|
void nsGenericHTMLElement::FocusPreviousElementAfterHidingPopover() {
|
|
auto* data = GetPopoverData();
|
|
MOZ_ASSERT(data, "Should have popover data");
|
|
|
|
RefPtr<Element> control =
|
|
do_QueryReferent(data->GetPreviouslyFocusedElement().get());
|
|
data->SetPreviouslyFocusedElement(nullptr);
|
|
|
|
if (!control) {
|
|
return;
|
|
}
|
|
|
|
// Run the focusing steps for previouslyFocusedElement
|
|
FocusOptions options;
|
|
options.mPreventScroll = true;
|
|
control->Focus(options, CallerType::NonSystem, IgnoreErrors());
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/popover.html#dom-togglepopover
|
|
void nsGenericHTMLElement::TogglePopover(const Optional<bool>& aForce,
|
|
ErrorResult& aRv) {
|
|
if (PopoverOpen() && (!aForce.WasPassed() || !aForce.Value())) {
|
|
HidePopover(aRv);
|
|
} else if (!aForce.WasPassed() || aForce.Value()) {
|
|
ShowPopover(aRv);
|
|
}
|
|
}
|
|
|
|
// https://html.spec.whatwg.org/multipage/popover.html#popover-focusing-steps
|
|
void nsGenericHTMLElement::FocusPopover() {
|
|
if (auto* dialog = HTMLDialogElement::FromNode(this)) {
|
|
return MOZ_KnownLive(dialog)->FocusDialog();
|
|
}
|
|
|
|
if (RefPtr<Document> doc = GetComposedDoc()) {
|
|
doc->FlushPendingNotifications(FlushType::Frames);
|
|
}
|
|
|
|
// This diverges from the spec a bit,
|
|
// see https://github.com/whatwg/html/pull/8998
|
|
RefPtr<Element> control =
|
|
GetBoolAttr(nsGkAtoms::autofocus)
|
|
? this
|
|
: GetFocusDelegate(false /* aWithMouse */, true /* aAutofocusOnly */);
|
|
if (!control) {
|
|
return;
|
|
}
|
|
FocusCandidate(*control, false /* aClearUpFocus */);
|
|
}
|
|
|
|
void nsGenericHTMLElement::FocusCandidate(Element& aControl,
|
|
bool aClearUpFocus) {
|
|
// 1) Run the focusing steps given control.
|
|
IgnoredErrorResult rv;
|
|
nsIFrame* frame = aControl.GetPrimaryFrame();
|
|
if (frame && frame->IsFocusable()) {
|
|
aControl.Focus(FocusOptions(), CallerType::NonSystem, rv);
|
|
if (rv.Failed()) {
|
|
return;
|
|
}
|
|
} else if (aClearUpFocus) {
|
|
if (RefPtr<nsFocusManager> fm = nsFocusManager::GetFocusManager()) {
|
|
// Clear the focus which ends up making the body gets focused
|
|
nsCOMPtr<nsPIDOMWindowOuter> outerWindow = OwnerDoc()->GetWindow();
|
|
fm->ClearFocus(outerWindow);
|
|
}
|
|
}
|
|
|
|
// 2) Let topDocument be the active document of control's node document's
|
|
// browsing context's top-level browsing context.
|
|
// 3) If control's node document's origin is not the same as the origin of
|
|
// topDocument, then return.
|
|
BrowsingContext* bc = aControl.OwnerDoc()->GetBrowsingContext();
|
|
if (bc && bc->IsInProcess() && bc->SameOriginWithTop()) {
|
|
if (nsCOMPtr<nsIDocShell> docShell = bc->Top()->GetDocShell()) {
|
|
if (Document* topDocument = docShell->GetExtantDocument()) {
|
|
// 4) Empty topDocument's autofocus candidates.
|
|
// 5) Set topDocument's autofocus processed flag to true.
|
|
topDocument->SetAutoFocusFired();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
already_AddRefed<ElementInternals> nsGenericHTMLElement::AttachInternals(
|
|
ErrorResult& aRv) {
|
|
// ElementInternals is only available on autonomous custom element, so throws
|
|
// an error by default. The spec steps are implemented in HTMLElement because
|
|
// ElementInternals needs to hold a pointer to HTMLElement in order to forward
|
|
// form operation to it.
|
|
aRv.ThrowNotSupportedError(nsPrintfCString(
|
|
"Cannot attach ElementInternals to a customized built-in or non-custom "
|
|
"element "
|
|
"'%s'",
|
|
NS_ConvertUTF16toUTF8(NodeInfo()->NameAtom()->GetUTF16String()).get()));
|
|
return nullptr;
|
|
}
|
|
|
|
ElementInternals* nsGenericHTMLElement::GetInternals() const {
|
|
if (CustomElementData* data = GetCustomElementData()) {
|
|
return data->GetElementInternals();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool nsGenericHTMLElement::IsFormAssociatedCustomElements() const {
|
|
if (CustomElementData* data = GetCustomElementData()) {
|
|
return data->IsFormAssociated();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void nsGenericHTMLElement::GetAutocapitalize(nsAString& aValue) const {
|
|
GetEnumAttr(nsGkAtoms::autocapitalize, nullptr, kDefaultAutocapitalize->tag,
|
|
aValue);
|
|
}
|
|
|
|
bool nsGenericHTMLElement::Translate() const {
|
|
if (const nsAttrValue* attr = mAttrs.GetAttr(nsGkAtoms::translate)) {
|
|
if (attr->IsEmptyString() || attr->Equals(nsGkAtoms::yes, eIgnoreCase)) {
|
|
return true;
|
|
}
|
|
if (attr->Equals(nsGkAtoms::no, eIgnoreCase)) {
|
|
return false;
|
|
}
|
|
}
|
|
return nsGenericHTMLElementBase::Translate();
|
|
}
|
|
|
|
void nsGenericHTMLElement::GetPopover(nsString& aPopover) const {
|
|
GetHTMLEnumAttr(nsGkAtoms::popover, aPopover);
|
|
if (aPopover.IsEmpty() && !DOMStringIsNull(aPopover)) {
|
|
aPopover.Assign(NS_ConvertUTF8toUTF16(kPopoverAttributeValueAuto));
|
|
}
|
|
}
|