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Bug 1219299 - rework aria-owns implementation, r=yzen

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This commit is contained in:
Alexander Surkov
2015-10-29 18:08:48 -04:00
parent 3c486b1d0b
commit f19d67034f
12 changed files with 697 additions and 309 deletions
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12
accessible/base/NotificationController.cpp
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@@ -54,6 +54,7 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(NotificationController)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mHangingChildDocuments)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mContentInsertions)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mEvents)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mRelocations)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(NotificationController, AddRef)
@@ -86,6 +87,7 @@ NotificationController::Shutdown()
mContentInsertions.Clear();
mNotifications.Clear();
mEvents.Clear();
mRelocations.Clear();
}
void
@@ -351,6 +353,16 @@ NotificationController::WillRefresh(mozilla::TimeStamp aTime)
// modification are done.
mDocument->ProcessInvalidationList();
// We cannot rely on DOM tree to keep aria-owns relations updated. Make
// a validation to remove dead links.
mDocument->ValidateARIAOwned();
// Process relocation list.
for (uint32_t idx = 0; idx < mRelocations.Length(); idx++) {
mDocument->DoARIAOwnsRelocation(mRelocations[idx]);
}
mRelocations.Clear();
// If a generic notification occurs after this point then we may be allowed to
// process it synchronously. However we do not want to reenter if fireing
// events causes script to run.