fix: AXManualAccessibility showing failure (#38102)

fix: AXManualAccessibility showing failure
This commit is contained in:
Shelley Vohr 2023-04-26 19:41:56 +02:00 committed by GitHub
parent a0a44f07dd
commit f35b9b3f06
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2 changed files with 25 additions and 4 deletions

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@ -175,11 +175,13 @@ inline void dispatch_sync_main(dispatch_block_t block) {
electron::Browser::Get()->OpenURL(base::SysNSStringToUTF8(url));
}
// AXEnhancedUserInterface is an undocumented attribute that screen reader
// related functionality sets when running, and AXManualAccessibility is an
// attribute Electron specifically allows third-party apps to use to enable
// a11y features in Electron.
- (void)accessibilitySetValue:(id)value forAttribute:(NSString*)attribute {
// Undocumented attribute that screen reader related functionality
// sets when running.
if ([attribute isEqualToString:@"AXEnhancedUserInterface"] ||
[attribute isEqualToString:@"AXManualAccessibility"]) {
bool is_manual_ax = [attribute isEqualToString:@"AXManualAccessibility"];
if ([attribute isEqualToString:@"AXEnhancedUserInterface"] || is_manual_ax) {
auto* ax_state = content::BrowserAccessibilityState::GetInstance();
if ([value boolValue]) {
ax_state->OnScreenReaderDetected();
@ -188,6 +190,12 @@ inline void dispatch_sync_main(dispatch_block_t block) {
}
electron::Browser::Get()->OnAccessibilitySupportChanged();
// Don't call the superclass function for AXManualAccessibility,
// as it will log an AXError and make it appear as though the attribute
// failed to take effect.
if (is_manual_ax)
return;
}
return [super accessibilitySetValue:value forAttribute:attribute];