| <!DOCTYPE html> |
| |
| <head> |
| <title>Cobalt suspend state visibility test</title> |
| <script src='black_box_js_test_utils.js'></script> |
| </head> |
| |
| <body> |
| <h1> |
| <span id="unique_id">ID element</span> |
| </h1> |
| <script> |
| // In started mode, visibility should be "visible" and window/document |
| // should have focus. |
| assertEqual("visible", document.visibilityState); |
| assertTrue(document.hasFocus()); |
| |
| let suspendStateVerified = false; |
| // Success callback for verifying visibility and focus in suspend. |
| function intoSuspendCallback() { |
| suspendStateVerified = true; |
| } |
| |
| // Success callback for verifying visibility and focus after suspend in |
| // started. |
| function outOfSuspendCallback() { |
| if (suspendStateVerified){ |
| onEndTest(); |
| } else { |
| // By now, it is in Started state and Suspend state behavior |
| // verification will never secceed. |
| notReached(); |
| } |
| } |
| |
| function verifyVisibilityAndFocusInterval(shouldBeVisible, shouldHaveFocus) { |
| visibility_str = shouldBeVisible ? "visible" : "hidden"; |
| if (document.hasFocus() === shouldHaveFocus && document.visibilityState === visibility_str) { |
| return true; |
| } |
| } |
| |
| // Post periodic timer to check desired visibility and focus settings. |
| function verifyVisibilityAndFocus(shouldBeVisible, shouldHaveFocus, successCallback) { |
| if (verifyVisibilityAndFocusInterval(shouldBeVisible, shouldHaveFocus)) { |
| successCallback(); |
| return true; |
| } |
| time_elapsed = 0; |
| set_interval_id = setInterval(() => { |
| if (verifyVisibilityAndFocusInterval(shouldBeVisible, shouldHaveFocus)){ |
| successCallback() |
| clearInterval(set_interval_id); |
| }else { |
| if (time_elapsed > EFFECT_AFTER_VISIBILITY_CHANGE_TIMEOUT_SECONDS){ |
| console.log("Waiting for visibilityState and focus change timed out") |
| notReached(); |
| } |
| time_elapsed += 0.1; |
| } |
| }, 50); |
| } |
| |
| // Wait for visibility change to verify visibilityState and focus status. |
| let visibilityChangeCalledBefore = false; |
| function handleVisibilityChange() { |
| if (!visibilityChangeCalledBefore) { |
| verifyVisibilityAndFocus(false, false, intoSuspendCallback); |
| visibilityChangeCalledBefore = true; |
| } else { |
| verifyVisibilityAndFocus(true, true, outOfSuspendCallback); |
| } |
| } |
| document.addEventListener("visibilitychange", handleVisibilityChange); |
| setupFinished(); |
| </script> |
| </body> |
