The Tor Browser: browser/base/content/test/general/browser_tabfocus.js@6474c204b198 (annotated)

browser/base/content/test/general/browser_tabfocus.js@6474c204b198 (annotated)

browser/base/content/test/general/browser_tabfocus.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * This test checks that focus is adjusted properly when switching tabs.
  */
 let testPage1 = "data:text/html,<html id='tab1'><body><button id='button1'>Tab 1</button></body></html>";
 let testPage2 = "data:text/html,<html id='tab2'><body><button id='button2'>Tab 2</button></body></html>";
 let testPage3 = "data:text/html,<html id='tab3'><body><button id='button3'>Tab 3</button></body></html>";
 function test() {
   waitForExplicitFinish();
   var tab1 = gBrowser.addTab();
   var browser1 = gBrowser.getBrowserForTab(tab1);
   var tab2 = gBrowser.addTab();
   var browser2 = gBrowser.getBrowserForTab(tab2);
   gURLBar.focus();
   var loadCount = 0;
   function check()
   {
     // wait for both tabs to load
     if (++loadCount != 2)
       return;
     browser1.removeEventListener("load", check, true);
     browser2.removeEventListener("load", check, true);
     executeSoon(_run_focus_tests);
   }
   function _run_focus_tests() {
     window.focus();
     _browser_tabfocus_test_lastfocus = gURLBar;
     _browser_tabfocus_test_lastfocuswindow = window;
     window.addEventListener("focus", _browser_tabfocus_test_eventOccured, true);
     window.addEventListener("blur", _browser_tabfocus_test_eventOccured, true);
     // make sure that the focus initially starts out blank
     var fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
     var focusedWindow = {};
     is(fm.getFocusedElementForWindow(browser1.contentWindow, false, focusedWindow), null, "initial focus in tab 1");
     is(focusedWindow.value, browser1.contentWindow, "initial frame focus in tab 1");
     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, focusedWindow), null, "initial focus in tab 2");
     is(focusedWindow.value, browser2.contentWindow, "initial frame focus in tab 2");
     expectFocusShift(function () gBrowser.selectedTab = tab2,
                      browser2.contentWindow, null, true,
                      "focusedElement after tab change, focus in new tab");
     // switching tabs when nothing in the new tab is focused
     // should focus the browser
     expectFocusShift(function () gBrowser.selectedTab = tab1,
                      browser1.contentWindow, null, true,
                      "focusedElement after tab change, focus in new tab");
     // focusing a button in the current tab should focus it
     var button1 = browser1.contentDocument.getElementById("button1");
     expectFocusShift(function () button1.focus(),
                      browser1.contentWindow, button1, true,
                      "focusedWindow after focus in focused tab");
     // focusing a button in a background tab should not change the actual
     // focus, but should set the focus that would be in that background tab to
     // that button.
     var button2 = browser2.contentDocument.getElementById("button2");
     button2.focus();
     expectFocusShift(function () button2.focus(),
                      browser1.contentWindow, button1, false,
                      "focusedWindow after focus in unfocused tab");
     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "focus in unfocused tab");
     // switching tabs should now make the button in the other tab focused
     expectFocusShift(function () gBrowser.selectedTab = tab2,
                      browser2.contentWindow, button2, true,
                      "focusedWindow after tab change");
     // blurring an element in a background tab should not change the active
     // focus, but should clear the focus in that tab.
     expectFocusShift(function () button1.blur(),
                      browser2.contentWindow, button2, false,
                      "focusedWindow after blur in unfocused tab");
     is(fm.getFocusedElementForWindow(browser1.contentWindow, false, {}), null, "blur in unfocused tab");
     // When focus is in the tab bar, it should be retained there
     expectFocusShift(function () gBrowser.selectedTab.focus(),
                      window, gBrowser.selectedTab, true,
                      "focusing tab element");
     expectFocusShift(function () gBrowser.selectedTab = tab1,
                      window, tab1, true,
                      "tab change when selected tab element was focused");
     expectFocusShift(function () gBrowser.selectedTab = tab2,
                      window, tab2, true,
                      "tab change when selected tab element was focused");
     expectFocusShift(function () gBrowser.selectedTab.blur(),
                      window, null, true,
                      "blurring tab element");
     // focusing the url field should switch active focus away from the browser but
     // not clear what would be the focus in the browser
     button1.focus();
     expectFocusShift(function () gURLBar.focus(),
                      window, gURLBar.inputField, true,
                      "focusedWindow after url field focused");
     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "url field focused, button in browser");
     expectFocusShift(function () gURLBar.blur(),
                      window, null, true,
                      "blurring url field");
     // when a chrome element is focused, switching tabs to a tab with a button
     // with the current focus should focus the button
     expectFocusShift(function () gBrowser.selectedTab = tab1,
                      browser1.contentWindow, button1, true,
                      "focusedWindow after tab change, focus in url field, button focused in new tab");
     is(fm.getFocusedElementForWindow(browser2.contentWindow, false, {}), button2, "after switch tab, focus in unfocused tab");
     // blurring an element in the current tab should clear the active focus
     expectFocusShift(function () button1.blur(),
                      browser1.contentWindow, null, true,
                      "focusedWindow after blur in focused tab");
     // blurring an non-focused url field should have no effect
     expectFocusShift(function () gURLBar.blur(),
                      browser1.contentWindow, null, false,
                      "focusedWindow after blur in unfocused url field");
     // switch focus to a tab with a currently focused element
     expectFocusShift(function () gBrowser.selectedTab = tab2,
                      browser2.contentWindow, button2, true,
                      "focusedWindow after switch from unfocused to focused tab");
     // clearing focus on the chrome window should switch the focus to the
     // chrome window
     expectFocusShift(function () fm.clearFocus(window),
                      window, null, true,
                      "focusedWindow after switch to chrome with no focused element");
     // switch focus to another tab when neither have an active focus
     expectFocusShift(function () gBrowser.selectedTab = tab1,
                      browser1.contentWindow, null, true,
                      "focusedWindow after tab switch from no focus to no focus");
     gURLBar.focus();
     _browser_tabfocus_test_events = "";
     _browser_tabfocus_test_lastfocus = gURLBar;
     _browser_tabfocus_test_lastfocuswindow = window;
     expectFocusShift(function () EventUtils.synthesizeKey("VK_F6", { }),
                      browser1.contentWindow, browser1.contentDocument.documentElement,
                      true, "switch document forward with f6");
     EventUtils.synthesizeKey("VK_F6", { });
     is(fm.focusedWindow, window, "switch document forward again with f6");
     browser1.style.MozUserFocus = "ignore";
     browser1.clientWidth;
     EventUtils.synthesizeKey("VK_F6", { });
     is(fm.focusedWindow, window, "switch document forward again with f6 when browser non-focusable");
     window.removeEventListener("focus", _browser_tabfocus_test_eventOccured, true);
     window.removeEventListener("blur", _browser_tabfocus_test_eventOccured, true);
     // next, check whether navigating forward, focusing the urlbar and then
     // navigating back maintains the focus in the urlbar.
     browser1.addEventListener("pageshow", _browser_tabfocus_navigation_test_eventOccured, true);
     button1.focus();
     browser1.contentWindow.location = testPage3;
   }
   browser1.addEventListener("load", check, true);
   browser2.addEventListener("load", check, true);
   browser1.contentWindow.location = testPage1;
   browser2.contentWindow.location = testPage2;
 }
 var _browser_tabfocus_test_lastfocus;
 var _browser_tabfocus_test_lastfocuswindow = null;
 var _browser_tabfocus_test_events = "";
 function _browser_tabfocus_test_eventOccured(event)
 {
   var id;
   if (event.target instanceof Window)
     id = event.originalTarget.document.documentElement.id + "-window";
   else if (event.target instanceof Document)
     id = event.originalTarget.documentElement.id + "-document";
   else if (event.target.id == "urlbar" && event.originalTarget.localName == "input")
     id = "urlbar";
   else
     id = event.originalTarget.id;
   if (_browser_tabfocus_test_events)
     _browser_tabfocus_test_events += " ";
   _browser_tabfocus_test_events += event.type + ": " + id;
 }
 function _browser_tabfocus_navigation_test_eventOccured(event)
 {
   if (event.target instanceof Document) {
     var contentwin = event.target.defaultView;
     if (contentwin.location.toString().indexOf("3") > 0) {
       // just moved forward, so focus the urlbar and go back
       gURLBar.focus();
       setTimeout(function () contentwin.history.back(), 0);
     }
     else if (contentwin.location.toString().indexOf("2") > 0) {
       event.currentTarget.removeEventListener("pageshow", _browser_tabfocus_navigation_test_eventOccured, true);
       is(window.document.activeElement, gURLBar.inputField, "urlbar still focused after navigating back");
       gBrowser.removeCurrentTab();
       gBrowser.removeCurrentTab();
       finish();
     }
   }
 }
 function getId(element)
 {
   return (element.localName == "input") ? "urlbar" : element.id;
 }
 function expectFocusShift(callback, expectedWindow, expectedElement, focusChanged, testid)
 {
   var expectedEvents = "";
   if (focusChanged) {
     if (_browser_tabfocus_test_lastfocus)
       expectedEvents += "blur: " + getId(_browser_tabfocus_test_lastfocus);
     if (_browser_tabfocus_test_lastfocuswindow &&
         _browser_tabfocus_test_lastfocuswindow != expectedWindow) {
       if (expectedEvents)
         expectedEvents += " ";
       var windowid = _browser_tabfocus_test_lastfocuswindow.document.documentElement.id;
       expectedEvents += "blur: " + windowid + "-document " +
                         "blur: " + windowid + "-window";
     }
     if (expectedWindow && _browser_tabfocus_test_lastfocuswindow != expectedWindow) {
       if (expectedEvents)
         expectedEvents += " ";
       var windowid = expectedWindow.document.documentElement.id;
       expectedEvents += "focus: " + windowid + "-document " +
                         "focus: " + windowid + "-window";
     }
     if (expectedElement && expectedElement != expectedElement.ownerDocument.documentElement) {
       if (expectedEvents)
         expectedEvents += " ";
       expectedEvents += "focus: " + getId(expectedElement);
     }
     _browser_tabfocus_test_lastfocus = expectedElement;
     _browser_tabfocus_test_lastfocuswindow = expectedWindow;
   }
   callback();
   is(_browser_tabfocus_test_events, expectedEvents, testid + " events");
   _browser_tabfocus_test_events = "";
   var fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
   var focusedElement = fm.focusedElement;
   is(focusedElement ? getId(focusedElement) : "none",
      expectedElement ? getId(expectedElement) : "none", testid + " focusedElement");
   is(fm.focusedWindow, expectedWindow, testid + " focusedWindow");
   var focusedWindow = {};
   is(fm.getFocusedElementForWindow(expectedWindow, false, focusedWindow),
      expectedElement, testid + " getFocusedElementForWindow");
   is(focusedWindow.value, expectedWindow, testid + " getFocusedElementForWindow frame");
   is(expectedWindow.document.hasFocus(), true, testid + " hasFocus");
   var expectedActive = expectedElement;
   if (!expectedActive)
     expectedActive = expectedWindow.document instanceof XULDocument ?
                      expectedWindow.document.documentElement : expectedWindow.document.body;
   is(expectedWindow.document.activeElement, expectedActive, testid + " activeElement");
 }