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Enable accessibility tree only when VoiceOver enabled, fixes atom/atom#3288.

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This commit is contained in:
Theo Julienne 2015-10-08 15:56:26 -07:00
parent 957de56343
commit 6bc59cf2d7
1 changed files with 10 additions and 1 deletions
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11
atom/browser/mac/atom_application.mm
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@ -43,11 +43,20 @@
atom::Browser::Get()->OpenURL(base::SysNSStringToUTF8(url));
}
- (bool)voiceOverEnabled {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults addSuiteNamed:@"com.apple.universalaccess"];
[defaults synchronize];
return [defaults boolForKey:@"voiceOverOnOffKey"];
}
- (void)accessibilitySetValue:(id)value forAttribute:(NSString *)attribute {
// Undocumented attribute that VoiceOver happens to set while running.
// Chromium uses this too, even though it's not exactly right.
if ([attribute isEqualToString:@"AXEnhancedUserInterface"]) {
[self updateAccessibilityEnabled:[value boolValue]];
bool enableAccessibility = ([self voiceOverEnabled] && [value boolValue]);
[self updateAccessibilityEnabled:enableAccessibility];
}
return [super accessibilitySetValue:value forAttribute:attribute];
}