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function notify(event)
{
if (event.target.location == "about:blank")
return;
var eventname = event.type;
if (eventname == "pagehide")
details.pagehides++;
else if (eventname == "beforeunload")
details.beforeunloads++;
else if (eventname == "unload")
details.unloads++;
}
var details;
var gUseFrame = false;
const windowMediator = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator);
const TEST_BASE_URL = "data:text/html,<script>" +
"function note(event) { try { alert(event.type); } catch(ex) { return; } throw 'alert appeared'; }" +
"</script>" +
"<body onpagehide='note(event)' onbeforeunload='alert(event.type);' onunload='note(event)'>";
const TEST_URL = TEST_BASE_URL + "Test</body>";
const TEST_FRAME_URL = TEST_BASE_URL + "Frames</body>";
function test()
{
waitForExplicitFinish();
windowMediator.addListener(promptListener);
runTest();
}
function runTest()
{
details = {
testNumber : 0,
beforeunloads : 0,
pagehides : 0,
unloads : 0,
prompts : 0
};
var tab = gBrowser.addTab(TEST_URL);
gBrowser.selectedTab = tab;
tab.linkedBrowser.addEventListener("pageshow", shown, true);
tab.linkedBrowser.addEventListener("pagehide", notify, true);
tab.linkedBrowser.addEventListener("beforeunload", notify, true);
tab.linkedBrowser.addEventListener("unload", notify, true);
}
function shown(event)
{
if (details.testNumber == 0) {
var browser;
var iframe;
if (gUseFrame) {
iframe = event.target.createElement("iframe");
iframe.src = TEST_FRAME_URL;
event.target.documentElement.appendChild(iframe);
browser = iframe.contentWindow;
}
else {
browser = gBrowser.selectedTab.linkedBrowser;
details.testNumber = 1; // Move onto to the next step immediately
}
}
if (details.testNumber == 1) {
// Test going to another page
executeSoon(function () {
const urlToLoad = "data:text/html,<body>Another Page</body>";
if (gUseFrame) {
event.target.location = urlToLoad;
}
else {
gBrowser.selectedBrowser.loadURI(urlToLoad);
}
});
}
else if (details.testNumber == 2) {
is(details.pagehides, 1, "pagehides after next page")
is(details.beforeunloads, 1, "beforeunloads after next page")
is(details.unloads, 1, "unloads after next page")
is(details.prompts, 1, "prompts after next page")
executeSoon(function () gUseFrame ? gBrowser.goBack() : event.target.defaultView.back());
}
else if (details.testNumber == 3) {
is(details.pagehides, 2, "pagehides after back")
is(details.beforeunloads, 2, "beforeunloads after back")
// No cache, so frame is unloaded
is(details.unloads, gUseFrame ? 2 : 1, "unloads after back")
is(details.prompts, 1, "prompts after back")
// Test closing the tab
gBrowser.selectedBrowser.removeEventListener("pageshow", shown, true);
gBrowser.removeTab(gBrowser.selectedTab);
// When the frame is present, there is are two beforeunload and prompts,
// one for the frame and the other for the parent.
is(details.pagehides, 3, "pagehides after close")
is(details.beforeunloads, gUseFrame ? 4 : 3, "beforeunloads after close")
is(details.unloads, gUseFrame ? 3 : 2, "unloads after close")
is(details.prompts, gUseFrame ? 3 : 2, "prompts after close")
// Now run the test again using a child frame.
if (gUseFrame) {
windowMediator.removeListener(promptListener);
finish();
}
else {
gUseFrame = true;
runTest();
}
return;
}
details.testNumber++;
}
var promptListener = {
onWindowTitleChange: function () {},
onOpenWindow: function (win) {
details.prompts++;
let domWin = win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindow);
executeSoon(function () { domWin.close() });
},
onCloseWindow: function () {},
};
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