gecko/browser/base/content/test/tabview/browser_tabview_bug597248.js

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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
let newTabOne;
let newTabTwo;
let newTabThree;
let restoredNewTabTwoLoaded = false;
let restoredNewTabThreeLoaded = false;
let frameInitialized = false;
function test() {
waitForExplicitFinish();
newWindowWithTabView(setupOne);
}
function setupOne(win) {
win.TabView.firstUseExperienced = true;
win.gBrowser.addTab("http://mochi.test:8888/browser/browser/base/content/test/tabview/search1.html");
win.gBrowser.addTab("http://mochi.test:8888/browser/browser/base/content/test/tabview/dummy_page.html");
afterAllTabsLoaded(function () setupTwo(win), win);
}
let restoreWin;
function setupTwo(win) {
let contentWindow = win.TabView.getContentWindow();
let tabItems = contentWindow.TabItems.getItems();
is(tabItems.length, 3, "There should be 3 tab items before closing");
let numTabsToSave = tabItems.length;
// force all canvases to update, and hook in imageData save detection
tabItems.forEach(function(tabItem) {
contentWindow.TabItems.update(tabItem.tab);
tabItem.addSubscriber(tabItem, "savedCachedImageData", function(item) {
item.removeSubscriber(item, "savedCachedImageData");
--numTabsToSave;
});
});
// after the window is closed, restore it.
let xulWindowDestory = function() {
Services.obs.removeObserver(
xulWindowDestory, "xul-window-destroyed", false);
// "xul-window-destroyed" is just fired just before a XUL window is
// destroyed so restore window and test it after a delay
executeSoon(function() {
restoredWin = undoCloseWindow();
restoredWin.addEventListener("load", function onLoad(event) {
restoredWin.removeEventListener("load", onLoad, false);
registerCleanupFunction(function() restoredWin.close());
// ensure that closed tabs have been saved
is(numTabsToSave, 0, "All tabs were saved when window was closed.");
is(restoredWin.gBrowser.tabs.length, 3, "The total number of tabs is 3");
// setup tab variables and listen to the tabs load progress
newTabOne = restoredWin.gBrowser.tabs[0];
newTabTwo = restoredWin.gBrowser.tabs[1];
newTabThree = restoredWin.gBrowser.tabs[2];
restoredWin.gBrowser.addTabsProgressListener(gTabsProgressListener);
// execute code when the frame is initialized
let onTabViewFrameInitialized = function() {
restoredWin.removeEventListener(
"tabviewframeinitialized", onTabViewFrameInitialized, false);
let restoredContentWindow = restoredWin.TabView.getContentWindow();
// prevent TabItems._update being called before checking cached images
restoredContentWindow.TabItems._pauseUpdateForTest = true;
let nextStep = function() {
// since we are not sure whether the frame is initialized first or two tabs
// compete loading first so we need this.
if (restoredNewTabTwoLoaded && restoredNewTabThreeLoaded)
updateAndCheck();
else
frameInitialized = true;
}
let tabItems = restoredContentWindow.TabItems.getItems();
let count = tabItems.length;
tabItems.forEach(function(tabItem) {
tabItem.addSubscriber(tabItem, "loadedCachedImageData", function() {
tabItem.removeSubscriber(tabItem, "loadedCachedImageData");
ok(tabItem.isShowingCachedData(),
"Tab item is showing cached data and is just connected. " +
tabItem.tab.linkedBrowser.currentURI.spec);
if (--count == 0)
nextStep();
});
});
}
restoredWin.addEventListener(
"tabviewframeinitialized", onTabViewFrameInitialized, false);
}, false);
});
};
Services.obs.addObserver(xulWindowDestory, "xul-window-destroyed", false);
win.close();
}
let gTabsProgressListener = {
onStateChange: function(browser, webProgress, request, stateFlags, status) {
// ensure about:blank doesn't trigger the code
if ((stateFlags & Ci.nsIWebProgressListener.STATE_STOP) &&
(stateFlags & Ci.nsIWebProgressListener.STATE_IS_WINDOW) &&
browser.currentURI.spec != "about:blank") {
if (newTabTwo.linkedBrowser == browser)
restoredNewTabTwoLoaded = true;
else if (newTabThree.linkedBrowser == browser)
restoredNewTabThreeLoaded = true;
// since we are not sure whether the frame is initialized first or two tabs
// compete loading first so we need this.
if (restoredNewTabTwoLoaded && restoredNewTabThreeLoaded) {
restoredWin.gBrowser.removeTabsProgressListener(gTabsProgressListener);
if (frameInitialized)
updateAndCheck();
}
}
}
};
function updateAndCheck() {
// force all canvas to update
let contentWindow = restoredWin.TabView.getContentWindow();
contentWindow.TabItems._pauseUpdateForTest = false;
let tabItems = contentWindow.TabItems.getItems();
tabItems.forEach(function(tabItem) {
contentWindow.TabItems._update(tabItem.tab);
ok(!tabItem.isShowingCachedData(),
"Tab item is not showing cached data anymore. " +
tabItem.tab.linkedBrowser.currentURI.spec);
});
// clean up and finish
restoredWin.close();
finish();
}