38 lines
792 B
HTML
38 lines
792 B
HTML
<!DOCTYPE html>
|
|
<script>
|
|
let goneBack = false;
|
|
let w;
|
|
|
|
onload = function() {
|
|
w = window.open("file_use_counter_bfcache_helper.html?a", "_blank");
|
|
};
|
|
|
|
onmessage = function() {
|
|
switch (event.data) {
|
|
case "a-doc-loaded":
|
|
if (!goneBack) {
|
|
w.postMessage("click-b-link", "*");
|
|
}
|
|
break;
|
|
case "b-doc-loaded":
|
|
if (!goneBack) {
|
|
goneBack = true;
|
|
w.postMessage("go-back", "*");
|
|
}
|
|
break;
|
|
case "a-doc-shown":
|
|
if (goneBack) {
|
|
w.postMessage("set-use-counter", "*");
|
|
}
|
|
break;
|
|
case "did-set-use-counter":
|
|
w.postMessage("click-c-link", "*");
|
|
break;
|
|
case "c-doc-loaded":
|
|
w.close();
|
|
// Signal that we've finished.
|
|
location.hash = "#finished";
|
|
break;
|
|
}
|
|
};
|
|
</script>
|