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Bug 1954896 - Use weak reference in RemoteAccessible::GetCachedARIAAttributes. r=Jamie,geckoview-reviewers,m_kato

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Differential Revision: https://phabricator.services.mozilla.com/D242955
This commit is contained in:
Eitan Isaacson
2025-04-01 15:09:34 +00:00
parent e0bc79cb9d
commit 1e2e799eb5
4 changed files with 22 additions and 5 deletions
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11
accessible/base/AccAttributes.h
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@@ -182,6 +182,17 @@ class AccAttributes {
return nullptr;
}
template <typename T>
const T* GetAttributeWeakPtr(nsAtom* aAttrName) const {
if (auto value = mData.Lookup(aAttrName)) {
if (value->is<RefPtr<T>>()) {
const T* ref = value->as<RefPtr<T>>();
return ref;
}
}
return nullptr;
}
template <typename T>
Maybe<T&> GetMutableAttribute(nsAtom* aAttrName) const {
static_assert(std::is_same_v<nsTArray<int32_t>, T> ||

8
accessible/ipc/RemoteAccessible.cpp
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@@ -1544,10 +1544,10 @@ already_AddRefed<AccAttributes> RemoteAccessible::DefaultTextAttributes() {
return result.forget();
}
RefPtr<const AccAttributes> RemoteAccessible::GetCachedARIAAttributes() const {
const AccAttributes* RemoteAccessible::GetCachedARIAAttributes() const {
ASSERT_DOMAINS_ACTIVE(CacheDomain::ARIA);
if (mCachedFields) {
auto attrs = mCachedFields->GetAttributeRefPtr<AccAttributes>(
auto attrs = mCachedFields->GetAttributeWeakPtr<AccAttributes>(
CacheKey::ARIAAttributes);
VERIFY_CACHE(CacheDomain::ARIA);
return attrs;
@@ -1845,7 +1845,7 @@ void RemoteAccessible::LiveRegionAttributes(nsAString* aLive,
if (!mCachedFields) {
return;
}
RefPtr<const AccAttributes> attrs = GetCachedARIAAttributes();
auto attrs = GetCachedARIAAttributes();
if (!attrs) {
return;
}
@@ -2329,7 +2329,7 @@ Maybe<int32_t> RemoteAccessible::GetIntARIAAttr(nsAtom* aAttrName) const {
if (RequestDomainsIfInactive(CacheDomain::ARIA)) {
return Nothing();
}
if (RefPtr<const AccAttributes> attrs = GetCachedARIAAttributes()) {
if (auto attrs = GetCachedARIAAttributes()) {
if (auto val = attrs->GetAttribute<int32_t>(aAttrName)) {
return val;
}

2
accessible/ipc/RemoteAccessible.h
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@@ -354,7 +354,7 @@ class RemoteAccessible : public Accessible, public HyperTextAccessibleBase {
Maybe<const nsTArray<int32_t>&> GetCachedTextLines();
nsRect GetCachedCharRect(int32_t aOffset);
RefPtr<const AccAttributes> GetCachedTextAttributes();
RefPtr<const AccAttributes> GetCachedARIAAttributes() const;
const AccAttributes* GetCachedARIAAttributes() const;
nsString GetCachedHTMLNameAttribute() const;

6
mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/AccessibilityTest.kt
View File

@@ -1109,6 +1109,12 @@ class AccessibilityTest : BaseSessionTest() {
loadTestPage("test-live-region")
waitForInitialFocus()
val rootNode = createNodeInfo(View.NO_ID)
assertThat("Document has 1 child", rootNode.childCount, equalTo(1))
val liveRegion = createNodeInfo(rootNode.getChildId(0))
assertThat("First node is a label", liveRegion.viewIdResourceName.toString(), equalTo("to_change"))
mainSession.evaluateJS("document.querySelector('#to_change').textContent = 'Hello';")
sessionRule.waitUntilCalled(object : EventDelegate {
@AssertCalled(count = 1)