* add visibilitychange listener Signed-off-by: Kerry Archibald <kerrya@element.io> * test Signed-off-by: Kerry Archibald <kerrya@element.io> * restore event listener mock Signed-off-by: Kerry Archibald <kerrya@element.io>  | 
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| views | ||
				
					
						
							* add visibilitychange listener Signed-off-by: Kerry Archibald <kerrya@element.io> * test Signed-off-by: Kerry Archibald <kerrya@element.io> * restore event listener mock Signed-off-by: Kerry Archibald <kerrya@element.io>  | 
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| .. | ||
| structures | ||
| views | ||