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Backed out changeset 718208a40b89 (bug 1888310) for causing mochitest failures @ browser_app.js CLOSED TREE

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This commit is contained in:
Sandor Molnar 2024-06-05 00:43:46 +03:00
parent efc48100f0
commit 5c4d387874
1 changed files with 11 additions and 15 deletions
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26
accessible/mac/mozAccessible.mm
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@ -879,13 +879,10 @@ struct RoleDescrComparator {
// a random acc with the same ID) by checking:
// - The gecko acc is local, our a11y-announcement lives in browser.xhtml
// - The ID of the gecko acc is "a11y-announcement"
// - The native acc is a direct descendent of the chrome window (ChildView in
// a non-headless context, mozRootAccessible in a headless context).
// - The native acc is a direct descendent of the root
if (mGeckoAccessible->IsLocal() &&
[[self moxDOMIdentifier] isEqualToString:@"a11y-announcement"] &&
((gfxPlatform::IsHeadless() &&
[[self moxParent] isKindOfClass:[mozRootAccessible class]]) ||
[[self moxParent] isKindOfClass:[ChildView class]])) {
[[self moxParent] isKindOfClass:[mozRootAccessible class]]) {
// Our actual announcement should be stored as a child of the alert,
// so we verify a child exists, and then query that child below.
NSArray* children = [self moxChildren];
@ -899,24 +896,23 @@ struct RoleDescrComparator {
} else {
key = [announcement moxTitle];
}
NSDictionary* info = @{
NSAccessibilityAnnouncementKey : key ? key : @(""),
// High priority means VO will stop what it is currently speaking
// to speak our announcement.
NSAccessibilityPriorityKey : @(NSAccessibilityPriorityHigh)
NSAccessibilityPriorityKey : @(NSAccessibilityPriorityMedium)
};
id window = [self moxWindow];
// This sends events via nsIObserverService to be consumed by our
// mochitests. Normally we'd fire these events through moxPostNotification
// which takes care of this, but because NSApp isn't derived
// from MOXAccessibleBase, we do this (and post the notification) manually.
// We used to fire this on the window, but per Chrome and Safari these
// notifs get dropped if fired on any non-main window. We now fire on NSApp
// to avoid this.
// which takes care of this, but because the window we fetch above isn't
// derrived from MOXAccessibleBase, we do this (and post the notification)
// manually.
xpcAccessibleMacEvent::FireEvent(
NSApp, NSAccessibilityAnnouncementRequestedNotification, info);
window, NSAccessibilityAnnouncementRequestedNotification, info);
NSAccessibilityPostNotificationWithUserInfo(
NSApp, NSAccessibilityAnnouncementRequestedNotification, info);
window, NSAccessibilityAnnouncementRequestedNotification, info);
}
}