| <html> |
| <body onload="startTest()"> |
| |
| <script src="../../resources/js-test-pre.js"></script> |
| |
| <script> |
| |
| description("This test checks that the page visibility event propagation does not crash the browser when frames are added / deleted."); |
| |
| var jsTestIsAsync = true; |
| |
| var numVisibilityChanges = 0; |
| var frame1, frame2, frame3, frame4, frame5, subframe1, subFrame2, subFrame3; |
| |
| var docsLoaded = 0; |
| var mainPageVisibilityChangeDone = false; |
| var frame2VisiblityChangeDone = false; |
| |
| function startTest() { |
| ++docsLoaded; |
| if (docsLoaded < 8) { |
| return; |
| } |
| |
| debug("Loaded all frames."); |
| |
| frame1 = document.getElementById("topFrame1"); |
| frame2 = document.getElementById("topFrame2"); |
| frame3 = document.getElementById("topFrame3"); |
| frame4 = document.getElementById("topFrame4"); |
| subFrame1 = frame3.contentDocument.getElementById("subIframe1"); |
| subFrame2 = frame3.contentDocument.getElementById("subIframe2"); |
| |
| document.addEventListener( |
| "visibilitychange", onMainPageVisibilityChange, false); |
| frame2.contentDocument.addEventListener( |
| "visibilitychange", onFrame2VisibilityChange, false); |
| // Change the visibility of the current page to invisible. |
| if (window.testRunner) { |
| numVisibilityChanges++; |
| testRunner.setPageVisibility("hidden"); |
| } |
| } |
| |
| function finishTest() { |
| if (window.testRunner) |
| testRunner.resetPageVisibility(); |
| finishJSTest(); |
| } |
| |
| function onMainPageVisibilityChange() { |
| if (mainPageVisibilityChangeDone && frame2VisiblityChangeDone) { |
| finishTest(); |
| } else if (!mainPageVisibilityChangeDone) { |
| debug("Visibility of main document changed."); |
| // Delete frame 4. |
| document.body.removeChild(frame4); |
| |
| // Delete subframe 2. |
| frame3.contentDocument.body.removeChild(subFrame2); |
| |
| // Add a new frame to top level. |
| frame5 = document.createElement("iframe"); |
| frame5.src = ''; |
| document.body.appendChild(frame5); |
| |
| // Add a new frame to frame2. |
| subFrame3 = frame2.contentDocument.createElement("iframe"); |
| subFrame3.src = ''; |
| frame2.contentDocument.body.appendChild(subFrame3); |
| |
| mainPageVisibilityChangeDone = true; |
| } |
| |
| if (mainPageVisibilityChangeDone && frame2VisiblityChangeDone) { |
| finishTest(); |
| } |
| } |
| |
| function onFrame2VisibilityChange() { |
| if (mainPageVisibilityChangeDone && frame2VisiblityChangeDone) { |
| finishTest(); |
| } else if (!frame2VisiblityChangeDone) { |
| debug("Visibility of sub frame 2 changed."); |
| |
| // Delete frame 1. |
| document.body.removeChild(frame1); |
| |
| frame2VisiblityChangeDone = true; |
| } |
| |
| if (mainPageVisibilityChangeDone && frame2VisiblityChangeDone) { |
| finishTest(); |
| } |
| } |
| |
| </script> |
| |
| <script src="../../resources/js-test-post.js"></script> |
| |
| <iframe id="topFrame1" onload="startTest()" ></iframe> |
| <iframe id="topFrame2" onload="startTest()" ></iframe> |
| <iframe id="topFrame3" onload="startTest()" src="resources/page-visibility-iframe-delete-test-frame.html"></iframe> |
| <iframe id="topFrame4" onload="startTest()" ></iframe> |
| </body> |
| </html> |
