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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
commit | 40a355a42d4a9444dc753c04c6608dade2f06a23 (patch) | |
tree | 871fc667d2de662f171103ce5ec067014ef85e61 /accessible/generic/DocAccessible.h | |
parent | Adding upstream version 124.0.1. (diff) | |
download | firefox-upstream/125.0.1.tar.xz firefox-upstream/125.0.1.zip |
Adding upstream version 125.0.1.upstream/125.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/generic/DocAccessible.h')
-rw-r--r-- | accessible/generic/DocAccessible.h | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/accessible/generic/DocAccessible.h b/accessible/generic/DocAccessible.h index 52cbdd68cf..791d09661e 100644 --- a/accessible/generic/DocAccessible.h +++ b/accessible/generic/DocAccessible.h @@ -121,7 +121,7 @@ class DocAccessible : public HyperTextAccessible, void QueueCacheUpdate(LocalAccessible* aAcc, uint64_t aNewDomain); /** - * Walks the mDependentIDsHashes list for the given accessible and + * Walks the dependent ids and elements maps for the given accessible and * queues a CacheDomain::Relations cache update fore each related acc. * We call this when we observe an ID mutation or when an acc is bound * to its document. @@ -410,6 +410,9 @@ class DocAccessible : public HyperTextAccessible, return mMovedAccessibles.Contains(aAcc); } + void AttrElementWillChange(dom::Element* aElement, nsAtom* aAttr); + void AttrElementChanged(dom::Element* aElement, nsAtom* aAttr); + protected: virtual ~DocAccessible(); @@ -486,6 +489,35 @@ class DocAccessible : public HyperTextAccessible, nsAtom* aRelAttr = nullptr); /** + * Add dependent elements targeted by a relation attribute on an accessible + * element to the dependent elements cache. This is used for reflected IDL + * attributes which return DOM elements and reflect a content attribute, where + * the IDL attribute has been set to an element. For example, if the + * .popoverTargetElement IDL attribute is set to an element using JS, the + * target element will be added to the dependent elements cache. If the + * relation attribute is not specified, then all relation attributes are + * checked. + * + * @param aRelProvider [in] the accessible with the relation IDL attribute. + * @param aRelAttr [in, optional] the name of the reflected content attribute. + * For example, for the popoverTargetElement IDL attribute, this would be + * "popovertarget". + */ + void AddDependentElementsFor(LocalAccessible* aRelProvider, + nsAtom* aRelAttr = nullptr); + + /** + * Remove dependent elements targeted by a relation attribute on an accessible + * element from the dependent elements cache. If the relation attribute is + * not specified, then all relation attributes are checked. + * + * @param aRelProvider [in] the accessible with the relation IDL attribute. + * @param aRelAttr [in, optional] the name of the reflected content attribute. + */ + void RemoveDependentElementsFor(LocalAccessible* aRelProvider, + nsAtom* aRelAttr = nullptr); + + /** * Update or recreate an accessible depending on a changed attribute. * * @param aElement [in] the element the attribute was changed on @@ -727,12 +759,35 @@ class DocAccessible : public HyperTextAccessible, void RemoveRelProvidersIfEmpty(dom::Element* aElement, const nsAString& aID); /** - * The cache of IDs pointed by relation attributes. + * A map used to look up the target node for an implicit reverse relation + * where the target of the explicit relation is specified as an id. + * For example: + * <div id="label">Name:</div><input aria-labelledby="label"> + * The div should get a LABEL_FOR relation targeting the input. To facilitate + * that, mDependentIDsHashes maps from "label" to an AttrRelProvider + * specifying aria-labelledby and the input. Because ids are scoped to the + * nearest ancestor document or shadow root, mDependentIDsHashes maps from the + * DocumentOrShadowRoot first. */ nsClassHashtable<nsPtrHashKey<dom::DocumentOrShadowRoot>, DependentIDsHashtable> mDependentIDsHashes; + /** + * A map used to look up the target element for an implicit reverse relation + * where the target of the explicit relation is also specified as an element. + * This is similar to mDependentIDsHashes, except that this is used when a + * DOM property is used to set the relation target element directly, rather + * than using an id. For example: + * <button>More info</button><div popover>Some info</div> + * The button's .popoverTargetElement property is set to the div so that the + * button invokes the popover. + * To facilitate finding the invoker given the popover, mDependentElementsMap + * maps from the div to an AttrRelProvider specifying popovertarget and the + * button. + */ + nsTHashMap<nsIContent*, AttrRelProviders> mDependentElementsMap; + friend class RelatedAccIterator; /** |