| <html> |
| <!-- |
| This test checks the visibility API when a prerendered page is displayed. |
| --> |
| <head> |
| <title>Prerender Visibility</title> |
| |
| <script src="prerender_visibility_shared.js"></script> |
| |
| <script> |
| // Checks that no visibility change events have occurred, current visibility |
| // state is "prerender", and visibility state while the page was loading was |
| // also "prerender". |
| function DidPrerenderPass() { |
| return visibilityStates.length == 1 && |
| hiddenValues.length == 1 && |
| visibilityStates[0] == 'prerender' && |
| hiddenValues[0] == true && |
| document.visibilityState == 'prerender' && |
| document.hidden == true; |
| } |
| |
| // Checks that we've only had three visibility states: |
| // prerender -> hidden -> visible. |
| // Also checks current visibility state. |
| function DidDisplayPass() { |
| return visibilityStates.length == 3 && |
| hiddenValues.length == 3 && |
| visibilityStates[1] == 'hidden' && |
| hiddenValues[1] == true && |
| visibilityStates[2] == 'visible' && |
| hiddenValues[2] == false && |
| document.visibilityState == 'visible' && |
| document.hidden == false; |
| } |
| </script> |
| |
| </head> |
| <body></body> |
| </html> |
