michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: let win;
michael@0: 
michael@0: function test() {
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   newWindowWithTabView(function(newWin) {
michael@0:     win = newWin;
michael@0: 
michael@0:     registerCleanupFunction(function() {
michael@0:       win.close();
michael@0:     });
michael@0: 
michael@0:     let cw = win.TabView.getContentWindow();
michael@0:     let groupItemOne = cw.GroupItems.groupItems[0];
michael@0:     let groupItemTwo = createGroupItemWithBlankTabs(win, 300, 300, 20, 10);
michael@0: 
michael@0:     is(win.gBrowser.tabContainer.getAttribute("overflow"), "true",
michael@0:        "The tabstrip is overflow");
michael@0: 
michael@0:     is(groupItemOne.getChildren().length, 10, "Group one has 10 tabs");
michael@0:     is(groupItemTwo.getChildren().length, 10, "Group two has 10 tabs");
michael@0: 
michael@0:     checkSelectedTabVisible("two", function() {
michael@0:       showTabView(function() {
michael@0:         checkSelectedTabVisible("one", finish);
michael@0:         groupItemOne.getChild(9).zoomIn();
michael@0:       }, win);
michael@0:     });
michael@0:     groupItemTwo.getChild(9).zoomIn();
michael@0:   }, function(newWin) {
michael@0:     for (let i = 0; i < 9; i++)
michael@0:       newWin.gBrowser.addTab();
michael@0:   });
michael@0: }
michael@0: 
michael@0: function isSelectedTabVisible() {
michael@0:   let tabstrip = win.gBrowser.tabContainer.mTabstrip;
michael@0:   let scrollRect = tabstrip.scrollClientRect;
michael@0:   let tab = win.gBrowser.selectedTab.getBoundingClientRect();
michael@0: 
michael@0:   return (scrollRect.left <= tab.left && tab.right <= scrollRect.right);
michael@0: }
michael@0: 
michael@0: function checkSelectedTabVisible(groupName, callback) {
michael@0:   whenTabViewIsHidden(function() {
michael@0:     ok(isSelectedTabVisible(), "Group " + groupName + " selected tab is visible");
michael@0:     callback();
michael@0:   }, win);
michael@0: }