Chromium Code Reviews Chromium Code Reviews
Issue 11459003:
Add Start/Stop event signalling on Prerenders. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src| OLD | NEW |
|---|---|
| (Empty) | |
| 1 <html> | |
| 2 <!-- | |
| 3 This test checks to make sure that a pending prerenders which are canceled | |
| 4 while pending never start. | |
|
mmenke
2012/12/17 17:08:18
nit "a pending prerenders which are" -> "pending p
gavinp
2012/12/17 20:34:02
Done.
| |
| 5 --> | |
| 6 <link id=thePrerender rel=prerender href="does_not_exist.html" /> | |
| 7 <head> | |
| 8 <title>Prerender Page</title> | |
| 9 | |
| 10 <script> | |
| 11 var pageWasPrerendered = false; | |
| 12 | |
| 13 var receivedPrerenderStartEvents = Array(); | |
| 14 var receivedPrerenderStopEvents = Array(); | |
| 15 | |
| 16 function MakePrerenderStartHandlerForLink(index) { | |
| 17 return function() { receivedPrerenderStartEvents[index] = true; }; | |
| 18 } | |
| 19 | |
| 20 function MakePrerenderStopHandlerForLink(index) { | |
| 21 return function() { receivedPrerenderStopEvents[index] = true; }; | |
| 22 } | |
| 23 | |
| 24 function DidPrerenderPass() { | |
| 25 pageWasPrerendered = true; | |
| 26 var link = document.getElementById('thePrerender'); | |
| 27 if (link) | |
| 28 link.parentElement.removeChild(link) | |
| 29 return !receivedPrerenderStartEvents[1] && !receivedPrerenderStopEvents[1]; | |
| 30 } | |
| 31 | |
| 32 // Make sure DidPrerenderPass() was called first. Otherwise, the page was | |
| 33 // most likely reloaded instead of using the prerendered page. | |
| 34 function DidDisplayPass() { | |
| 35 return pageWasPrerendered && !receivedPrerenderStartEvents[1] && | |
| 36 !receivedPrerenderStopEvents[1]; | |
| 37 } | |
| 38 | |
| 39 var link = document.getElementById('thePrerender'); | |
| 40 link.addEventListener('webkitprerenderstart', | |
| 41 MakePrerenderStartHandlerForLink(1), false); | |
| 42 link.addEventListener('webkitprerenderstop', | |
| 43 MakePrerenderStopHandlerForLink(1), false); | |
| 44 </script> | |
| 45 | |
| 46 </head> | |
| 47 <body></body> | |
| 48 </html> | |
| OLD | NEW |
