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/* Any copyright is dedicated to the Public Domain.
const TAB_STATE_NEEDS_RESTORE = 1;
const TAB_STATE_RESTORING = 2;
var stateBackup = ss.getBrowserState();
var statePinned = {windows:[{tabs:[
]}]};
var state = {windows:[{tabs:[
]}]};
function test() {
waitForExplicitFinish();
registerCleanupFunction(function () {
TabsProgressListener.uninit();
ss.setBrowserState(stateBackup);
});
TabsProgressListener.init();
window.addEventListener("SSWindowStateReady", function onReady() {
window.removeEventListener("SSWindowStateReady", onReady);
let firstProgress = true;
TabsProgressListener.setCallback(function (needsRestore, isRestoring) {
if (firstProgress) {
firstProgress = false;
is(isRestoring, 3, "restoring 3 tabs concurrently");
} else {
ok(isRestoring <= 3, "restoring max. 2 tabs concurrently");
}
if (0 == needsRestore) {
TabsProgressListener.unsetCallback();
waitForFocus(finish);
}
});
ss.setBrowserState(JSON.stringify(state));
});
ss.setBrowserState(JSON.stringify(statePinned));
}
function countTabs() {
let needsRestore = 0, isRestoring = 0;
let windowsEnum = Services.wm.getEnumerator("navigator:browser");
while (windowsEnum.hasMoreElements()) {
let window = windowsEnum.getNext();
if (window.closed)
continue;
for (let i = 0; i < window.getBrowser().tabs.length; i++) {
let browser = window.getBrowser().tabs[i].linkedBrowser;
if (browser.__SS_restoreState == TAB_STATE_RESTORING)
isRestoring++;
else if (browser.__SS_restoreState == TAB_STATE_NEEDS_RESTORE)
needsRestore++;
}
}
return [needsRestore, isRestoring];
}
var TabsProgressListener = {
init: function () {
getBrowser().addTabsProgressListener(this);
},
uninit: function () {
this.unsetCallback();
getBrowser().removeTabsProgressListener(this);
},
setCallback: function (callback) {
this.callback = callback;
},
unsetCallback: function () {
delete this.callback;
},
onStateChange: function (aBrowser, aWebProgress, aRequest, aStateFlags, aStatus) {
if (this.callback && aBrowser.__SS_restoreState == TAB_STATE_RESTORING &&
aStateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK &&
aStateFlags & Ci.nsIWebProgressListener.STATE_IS_WINDOW)
this.callback.apply(null, countTabs());
}
}