gecko-dev/browser/components/sessionstore/test/browser_636279.js

102 lines
2.6 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
let stateBackup = ss.getBrowserState();
let statePinned = {windows:[{tabs:[
{entries:[{url:"http://example.com#1"}], pinned: true}
]}]};
let state = {windows:[{tabs:[
{entries:[{url:"http://example.com#1"}]},
{entries:[{url:"http://example.com#2"}]},
{entries:[{url:"http://example.com#3"}]},
{entries:[{url:"http://example.com#4"}]},
]}]};
function test() {
waitForExplicitFinish();
registerCleanupFunction(function () {
TabsProgressListener.uninit();
ss.setBrowserState(stateBackup);
});
TabsProgressListener.init();
window.addEventListener("SSWindowStateReady", function onReady() {
window.removeEventListener("SSWindowStateReady", onReady, false);
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));
}, false);
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.gBrowser.tabs.length; i++) {
let browser = window.gBrowser.tabs[i].linkedBrowser;
if (browser.__SS_restoreState == TAB_STATE_RESTORING)
isRestoring++;
else if (browser.__SS_restoreState == TAB_STATE_NEEDS_RESTORE)
needsRestore++;
}
}
return [needsRestore, isRestoring];
}
let TabsProgressListener = {
init: function () {
Services.obs.addObserver(this, "sessionstore-debug-tab-restored", false);
},
uninit: function () {
Services.obs.removeObserver(this, "sessionstore-debug-tab-restored");
this.unsetCallback();
},
setCallback: function (callback) {
this.callback = callback;
},
unsetCallback: function () {
delete this.callback;
},
observe: function (browser, topic, data) {
TabsProgressListener.onRestored(browser);
},
onRestored: function (browser) {
if (this.callback && browser.__SS_restoreState == TAB_STATE_RESTORING) {
this.callback.apply(null, countTabs());
}
}
}