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script: Implement Element::GetHTML and ShadowRoot::GetHTML (#36106)

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* Serialize html fragments without going through html5ever

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Implement ShadowRoot::GetHtml / Element::GetHtml

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Update WPT expectations

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Propagate CanGc annotations

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

---------

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
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Simon Wülker 2025-03-23 20:04:23 +01:00 • committed by GitHub
parent 1c9f486f88
commit 19d5f5f06f
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12 changed files with 286 additions and 15941 deletions
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4
components/script_bindings/codegen/Bindings.conf
View file

@ -190,7 +190,7 @@ DOMInterfaces = {
},
'Element': {
'canGc': ['SetHTMLUnsafe', 'SetInnerHTML', 'SetOuterHTML', 'InsertAdjacentHTML', 'GetClientRects', 'GetBoundingClientRect', 'InsertAdjacentText', 'ToggleAttribute', 'SetAttribute', 'SetAttributeNS', 'SetId','SetClassName','Prepend','Append','ReplaceChildren','Before','After','ReplaceWith', 'SetRole', 'SetAriaAtomic', 'SetAriaAutoComplete', 'SetAriaBrailleLabel', 'SetAriaBrailleRoleDescription', 'SetAriaBusy', 'SetAriaChecked', 'SetAriaColCount', 'SetAriaColIndex', 'SetAriaColIndexText', 'SetAriaColSpan', 'SetAriaCurrent', 'SetAriaDescription', 'SetAriaDisabled', 'SetAriaExpanded', 'SetAriaHasPopup', 'SetAriaHidden', 'SetAriaInvalid', 'SetAriaKeyShortcuts', 'SetAriaLabel', 'SetAriaLevel', 'SetAriaLive', 'SetAriaModal', 'SetAriaMultiLine', 'SetAriaMultiSelectable', 'SetAriaOrientation', 'SetAriaPlaceholder', 'SetAriaPosInSet', 'SetAriaPressed','SetAriaReadOnly', 'SetAriaRelevant', 'SetAriaRequired', 'SetAriaRoleDescription', 'SetAriaRowCount', 'SetAriaRowIndex', 'SetAriaRowIndexText', 'SetAriaRowSpan', 'SetAriaSelected', 'SetAriaSetSize','SetAriaSort', 'SetAriaValueMax', 'SetAriaValueMin', 'SetAriaValueNow', 'SetAriaValueText', 'SetScrollTop', 'SetScrollLeft', 'Scroll', 'Scroll_', 'ScrollBy', 'ScrollBy_', 'ScrollWidth', 'ScrollHeight', 'ScrollTop', 'ScrollLeft', 'ClientTop', 'ClientLeft', 'ClientWidth', 'ClientHeight', 'RequestFullscreen'],
'canGc': ['SetHTMLUnsafe', 'SetInnerHTML', 'SetOuterHTML', 'InsertAdjacentHTML', 'GetClientRects', 'GetBoundingClientRect', 'InsertAdjacentText', 'ToggleAttribute', 'SetAttribute', 'SetAttributeNS', 'SetId','SetClassName','Prepend','Append','ReplaceChildren','Before','After','ReplaceWith', 'SetRole', 'SetAriaAtomic', 'SetAriaAutoComplete', 'SetAriaBrailleLabel', 'SetAriaBrailleRoleDescription', 'SetAriaBusy', 'SetAriaChecked', 'SetAriaColCount', 'SetAriaColIndex', 'SetAriaColIndexText', 'SetAriaColSpan', 'SetAriaCurrent', 'SetAriaDescription', 'SetAriaDisabled', 'SetAriaExpanded', 'SetAriaHasPopup', 'SetAriaHidden', 'SetAriaInvalid', 'SetAriaKeyShortcuts', 'SetAriaLabel', 'SetAriaLevel', 'SetAriaLive', 'SetAriaModal', 'SetAriaMultiLine', 'SetAriaMultiSelectable', 'SetAriaOrientation', 'SetAriaPlaceholder', 'SetAriaPosInSet', 'SetAriaPressed','SetAriaReadOnly', 'SetAriaRelevant', 'SetAriaRequired', 'SetAriaRoleDescription', 'SetAriaRowCount', 'SetAriaRowIndex', 'SetAriaRowIndexText', 'SetAriaRowSpan', 'SetAriaSelected', 'SetAriaSetSize','SetAriaSort', 'SetAriaValueMax', 'SetAriaValueMin', 'SetAriaValueNow', 'SetAriaValueText', 'SetScrollTop', 'SetScrollLeft', 'Scroll', 'Scroll_', 'ScrollBy', 'ScrollBy_', 'ScrollWidth', 'ScrollHeight', 'ScrollTop', 'ScrollLeft', 'ClientTop', 'ClientLeft', 'ClientWidth', 'ClientHeight', 'RequestFullscreen', 'GetHTML', 'GetInnerHTML', 'GetOuterHTML'],
},
'ElementInternals': {
@ -530,7 +530,7 @@ DOMInterfaces = {
},
'ShadowRoot': {
'canGc': ['ElementFromPoint', 'ElementsFromPoint', 'SetInnerHTML'],
'canGc': ['ElementFromPoint', 'ElementsFromPoint', 'SetInnerHTML', 'GetHTML', 'InnerHTML'],
},
'StaticRange': {

8
components/script_bindings/webidls/Element.webidl
View file

@ -120,14 +120,20 @@ partial interface Element {
readonly attribute long clientHeight;
};
// https://w3c.github.io/DOM-Parsing/#extensions-to-the-element-interface
// https://html.spec.whatwg.org/multipage/#dom-parsing-and-serialization
partial interface Element {
[CEReactions] undefined setHTMLUnsafe(DOMString html);
DOMString getHTML(optional GetHTMLOptions options = {});
[CEReactions, Throws] attribute [LegacyNullToEmptyString] DOMString innerHTML;
[CEReactions, Throws] attribute [LegacyNullToEmptyString] DOMString outerHTML;
};
dictionary GetHTMLOptions {
boolean serializableShadowRoots = false;
sequence<ShadowRoot> shadowRoots = [];
};
// https://fullscreen.spec.whatwg.org/#api
partial interface Element {
Promise<undefined> requestFullscreen();

2
components/script_bindings/webidls/ShadowRoot.webidl
View file

@ -26,7 +26,7 @@ ShadowRoot includes DocumentOrShadowRoot;
// https://html.spec.whatwg.org/multipage/#dom-parsing-and-serialization
partial interface ShadowRoot {
// [CEReactions] undefined setHTMLUnsafe((TrustedHTML or DOMString) html);
// DOMString getHTML(optional GetHTMLOptions options = {});
DOMString getHTML(optional GetHTMLOptions options = {});
// [CEReactions] attribute (TrustedHTML or [LegacyNullToEmptyString] DOMString) innerHTML;
[CEReactions] attribute [LegacyNullToEmptyString] DOMString innerHTML;