diff -r 000000000000 -r 6474c204b198 browser/base/content/test/social/browser_social_chatwindowfocus.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/base/content/test/social/browser_social_chatwindowfocus.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,361 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Is the currently opened tab focused?
+function isTabFocused() {
+  let tabb = gBrowser.getBrowserForTab(gBrowser.selectedTab);
+  return Services.focus.focusedWindow == tabb.contentWindow;
+}
+
+function isChatFocused(chat) {
+  return SocialChatBar.chatbar._isChatFocused(chat);
+}
+
+function openChatViaUser() {
+  let sidebarDoc = document.getElementById("social-sidebar-browser").contentDocument;
+  let button = sidebarDoc.getElementById("chat-opener");
+  // Note we must use synthesizeMouseAtCenter() rather than calling
+  // .click() directly as this causes nsIDOMWindowUtils.isHandlingUserInput
+  // to be true.
+  EventUtils.synthesizeMouseAtCenter(button, {}, sidebarDoc.defaultView);
+}
+
+function openChatViaSidebarMessage(port, data, callback) {
+  port.onmessage = function (e) {
+    if (e.data.topic == "chatbox-opened")
+      callback();
+  }
+  port.postMessage({topic: "test-chatbox-open", data: data});
+}
+
+function openChatViaWorkerMessage(port, data, callback) {
+  // sadly there is no message coming back to tell us when the chat has
+  // been opened, so we wait until one appears.
+  let chatbar = SocialChatBar.chatbar;
+  let numExpected = chatbar.childElementCount + 1;
+  port.postMessage({topic: "test-worker-chat", data: data});
+  waitForCondition(function() chatbar.childElementCount == numExpected,
+                   function() {
+                      // so the child has been added, but we don't know if it
+                      // has been intialized - re-request it and the callback
+                      // means it's done.  Minimized, same as the worker.
+                      SocialChatBar.openChat(SocialSidebar.provider,
+                                             data,
+                                             function() {
+                                                callback();
+                                             },
+                                             "minimized");
+                   },
+                   "No new chat appeared");
+}
+
+
+let isSidebarLoaded = false;
+
+function startTestAndWaitForSidebar(callback) {
+  let doneCallback;
+  let port = SocialSidebar.provider.getWorkerPort();
+  function maybeCallback() {
+    if (!doneCallback)
+      callback(port);
+    doneCallback = true;
+  }
+  port.onmessage = function(e) {
+    let topic = e.data.topic;
+    switch (topic) {
+      case "got-sidebar-message":
+        // if sidebar loaded too fast, we need a backup ping
+      case "got-isVisible-response":
+        isSidebarLoaded = true;
+        maybeCallback();
+        break;
+      case "test-init-done":
+        if (isSidebarLoaded)
+          maybeCallback();
+        else
+          port.postMessage({topic: "test-isVisible"});
+        break;
+    }
+  }
+  port.postMessage({topic: "test-init"});
+}
+
+let manifest = { // normal provider
+  name: "provider 1",
+  origin: "https://example.com",
+  sidebarURL: "https://example.com/browser/browser/base/content/test/social/social_sidebar.html",
+  workerURL: "https://example.com/browser/browser/base/content/test/social/social_worker.js",
+  iconURL: "https://example.com/browser/browser/base/content/test/general/moz.png"
+};
+
+function test() {
+  waitForExplicitFinish();
+
+  // Note that (probably) due to bug 604289, if a tab is focused but the
+  // focused element is null, our chat windows can "steal" focus.  This is
+  // avoided if we explicitly focus an element in the tab.
+  // So we load a page with an <input> field and focus that before testing.
+  let url = "data:text/html;charset=utf-8," + encodeURI('<input id="theinput">');
+  let tab = gBrowser.selectedTab = gBrowser.addTab(url, {skipAnimation: true});
+  tab.linkedBrowser.addEventListener("load", function tabLoad(event) {
+    tab.linkedBrowser.removeEventListener("load", tabLoad, true);
+    // before every test we focus the input field.
+    let preSubTest = function(cb) {
+      // XXX - when bug 604289 is fixed it should be possible to just do:
+      // tab.linkedBrowser.contentWindow.focus()
+      // but instead we must do:
+      tab.linkedBrowser.contentDocument.getElementById("theinput").focus();
+      waitForCondition(function() isTabFocused(), cb, "tab should have focus");
+    }
+    let postSubTest = function(cb) {
+      window.SocialChatBar.chatbar.removeAll();
+      cb();
+    }
+    // and run the tests.
+    runSocialTestWithProvider(manifest, function (finishcb) {
+      SocialSidebar.show();
+      runSocialTests(tests, preSubTest, postSubTest, function () {
+        finishcb();
+      });
+    });
+  }, true);
+  registerCleanupFunction(function() {
+    gBrowser.removeTab(tab);
+  });
+
+}
+
+var tests = {
+  // In this test the worker asks the sidebar to open a chat.  As that means
+  // we aren't handling user-input we will not focus the chatbar.
+  // Then we do it again - should still not be focused.
+  // Then we perform a user-initiated request - it should get focus.
+  testNoFocusWhenViaWorker: function(next) {
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaSidebarMessage(port, {stealFocus: 1}, function() {
+        ok(true, "got chatbox message");
+        is(SocialChatBar.chatbar.childElementCount, 1, "exactly 1 chat open");
+        ok(isTabFocused(), "tab should still be focused");
+        // re-request the same chat via a message.
+        openChatViaSidebarMessage(port, {stealFocus: 1}, function() {
+          is(SocialChatBar.chatbar.childElementCount, 1, "still exactly 1 chat open");
+          ok(isTabFocused(), "tab should still be focused");
+          // re-request the same chat via user event.
+          openChatViaUser();
+          waitForCondition(function() isChatFocused(SocialChatBar.chatbar.selectedChat),
+                           function() {
+            is(SocialChatBar.chatbar.childElementCount, 1, "still exactly 1 chat open");
+            is(SocialChatBar.chatbar.selectedChat, SocialChatBar.chatbar.firstElementChild, "chat should be selected");
+            next();
+          }, "chat should be focused");
+        });
+      });
+    });
+  },
+
+  // In this test we arrange for the sidebar to open the chat via a simulated
+  // click.  This should cause the new chat to be opened and focused.
+  testFocusWhenViaUser: function(next) {
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaUser();
+      ok(SocialChatBar.chatbar.firstElementChild, "chat opened");
+      waitForCondition(function() isChatFocused(SocialChatBar.chatbar.selectedChat),
+                       function() {
+        is(SocialChatBar.chatbar.selectedChat, SocialChatBar.chatbar.firstElementChild, "chat is selected");
+        next();
+      }, "chat should be focused");
+    });
+  },
+
+  // Open a chat via the worker - it will open and not have focus.
+  // Then open the same chat via a sidebar message - it will be restored but
+  // should still not have grabbed focus.
+  testNoFocusOnAutoRestore: function(next) {
+    const chatUrl = "https://example.com/browser/browser/base/content/test/social/social_chat.html?id=1";
+    let chatbar = SocialChatBar.chatbar;
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaWorkerMessage(port, chatUrl, function() {
+        is(chatbar.childElementCount, 1, "exactly 1 chat open");
+        // bug 865086 opening minimized still sets the window as selected
+        todo(chatbar.selectedChat != chatbar.firstElementChild, "chat is not selected");
+        ok(isTabFocused(), "tab should be focused");
+        openChatViaSidebarMessage(port, {stealFocus: 1, id: 1}, function() {
+          is(chatbar.childElementCount, 1, "still 1 chat open");
+          ok(!chatbar.firstElementChild.minimized, "chat no longer minimized");
+          // bug 865086 because we marked it selected on open, it still is
+          todo(chatbar.selectedChat != chatbar.firstElementChild, "chat is not selected");
+          ok(isTabFocused(), "tab should still be focused");
+          next();
+        });
+      });
+    });
+  },
+
+  // Here we open a chat, which will not be focused.  Then we minimize it and
+  // restore it via a titlebar clock - it should get focus at that point.
+  testFocusOnExplicitRestore: function(next) {
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaSidebarMessage(port, {stealFocus: 1}, function() {
+        ok(true, "got chatbox message");
+        ok(isTabFocused(), "tab should still be focused");
+        let chatbox = SocialChatBar.chatbar.firstElementChild;
+        ok(chatbox, "chat opened");
+        chatbox.minimized = true;
+        ok(isTabFocused(), "tab should still be focused");
+        // pretend we clicked on the titlebar
+        chatbox.onTitlebarClick({button: 0});
+        waitForCondition(function() isChatFocused(SocialChatBar.chatbar.selectedChat),
+                         function() {
+          ok(!chatbox.minimized, "chat should have been restored");
+          ok(isChatFocused(chatbox), "chat should be focused");
+          is(chatbox, SocialChatBar.chatbar.selectedChat, "chat is marked selected");
+          next();
+        }, "chat should have focus");
+      });
+    });
+  },
+
+  // Open 2 chats and give 1 focus.  Minimize the focused one - the second
+  // should get focus.
+  testMinimizeFocused: function(next) {
+    let chatbar = SocialChatBar.chatbar;
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaSidebarMessage(port, {stealFocus: 1, id: 1}, function() {
+        let chat1 = chatbar.firstElementChild;
+        openChatViaSidebarMessage(port, {stealFocus: 1, id: 2}, function() {
+          is(chatbar.childElementCount, 2, "exactly 2 chats open");
+          let chat2 = chat1.nextElementSibling || chat1.previousElementSibling;
+          chatbar.selectedChat = chat1;
+          chatbar.focus();
+          waitForCondition(function() isChatFocused(chat1),
+                           function() {
+            is(chat1, SocialChatBar.chatbar.selectedChat, "chat1 is marked selected");
+            isnot(chat2, SocialChatBar.chatbar.selectedChat, "chat2 is not marked selected");
+            chat1.minimized = true;
+            waitForCondition(function() isChatFocused(chat2),
+                             function() {
+              // minimizing the chat with focus should give it to another.
+              isnot(chat1, SocialChatBar.chatbar.selectedChat, "chat1 is not marked selected");
+              is(chat2, SocialChatBar.chatbar.selectedChat, "chat2 is marked selected");
+              next();
+            }, "chat2 should have focus");
+          }, "chat1 should have focus");
+        });
+      });
+    });
+  },
+
+  // Open 2 chats, select (but not focus) one, then re-request it be
+  // opened via a message.  Focus should not move.
+  testReopenNonFocused: function(next) {
+    let chatbar = SocialChatBar.chatbar;
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaSidebarMessage(port, {id: 1}, function() {
+        let chat1 = chatbar.firstElementChild;
+        openChatViaSidebarMessage(port, {id: 2}, function() {
+          let chat2 = chat1.nextElementSibling || chat1.previousElementSibling;
+          chatbar.selectedChat = chat2;
+          // tab still has focus
+          ok(isTabFocused(), "tab should still be focused");
+          // re-request the first.
+          openChatViaSidebarMessage(port, {id: 1}, function() {
+            is(chatbar.selectedChat, chat1, "chat1 now selected");
+            ok(isTabFocused(), "tab should still be focused");
+            next();
+          });
+        });
+      });
+    });
+  },
+
+  // Open 2 chats, select and focus the second.  Pressing the TAB key should
+  // cause focus to move between all elements in our chat window before moving
+  // to the next chat window.
+  testTab: function(next) {
+    function sendTabAndWaitForFocus(chat, eltid, callback) {
+      // ideally we would use the 'focus' event here, but that doesn't work
+      // as expected for the iframe - the iframe itself never gets the focus
+      // event (apparently the sub-document etc does.)
+      // So just poll for the correct element getting focus...
+      let doc = chat.contentDocument;
+      EventUtils.sendKey("tab");
+      waitForCondition(function() {
+        let elt = eltid ? doc.getElementById(eltid) : doc.documentElement;
+        return doc.activeElement == elt;
+      }, callback, "element " + eltid + " never got focus");
+    }
+
+    let chatbar = SocialChatBar.chatbar;
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaSidebarMessage(port, {id: 1}, function() {
+        let chat1 = chatbar.firstElementChild;
+        openChatViaSidebarMessage(port, {id: 2}, function() {
+          let chat2 = chat1.nextElementSibling || chat1.previousElementSibling;
+          chatbar.selectedChat = chat2;
+          chatbar.focus();
+          waitForCondition(function() isChatFocused(chatbar.selectedChat),
+                           function() {
+            // Our chats have 3 focusable elements, so it takes 4 TABs to move
+            // to the new chat.
+            sendTabAndWaitForFocus(chat2, "input1", function() {
+              is(chat2.contentDocument.activeElement.getAttribute("id"), "input1",
+                 "first input field has focus");
+              ok(isChatFocused(chat2), "new chat still focused after first tab");
+              sendTabAndWaitForFocus(chat2, "input2", function() {
+                ok(isChatFocused(chat2), "new chat still focused after tab");
+                is(chat2.contentDocument.activeElement.getAttribute("id"), "input2",
+                   "second input field has focus");
+                sendTabAndWaitForFocus(chat2, "iframe", function() {
+                  ok(isChatFocused(chat2), "new chat still focused after tab");
+                  is(chat2.contentDocument.activeElement.getAttribute("id"), "iframe",
+                     "iframe has focus");
+                  // this tab now should move to the next chat, but focus the
+                  // document element itself (hence the null eltid)
+                  sendTabAndWaitForFocus(chat1, null, function() {
+                    ok(isChatFocused(chat1), "first chat is focused");
+                    next();
+                  });
+                });
+              });
+            });
+          }, "chat should have focus");
+        });
+      });
+    });
+  },
+
+  // Open a chat and focus an element other than the first. Move focus to some
+  // other item (the tab itself in this case), then focus the chatbar - the
+  // same element that was previously focused should still have focus.
+  testFocusedElement: function(next) {
+    let chatbar = SocialChatBar.chatbar;
+    startTestAndWaitForSidebar(function(port) {
+      openChatViaUser();
+      let chat = chatbar.firstElementChild;
+      // need to wait for the content to load before we can focus it.
+      chat.addEventListener("DOMContentLoaded", function DOMContentLoaded() {
+        chat.removeEventListener("DOMContentLoaded", DOMContentLoaded);
+        chat.contentDocument.getElementById("input2").focus();
+        waitForCondition(function() isChatFocused(chat),
+                         function() {
+          is(chat.contentDocument.activeElement.getAttribute("id"), "input2",
+             "correct input field has focus");
+          // set focus to the tab.
+          let tabb = gBrowser.getBrowserForTab(gBrowser.selectedTab);
+          Services.focus.moveFocus(tabb.contentWindow, null, Services.focus.MOVEFOCUS_ROOT, 0);
+          waitForCondition(function() isTabFocused(),
+                           function() {
+            chatbar.focus();
+            waitForCondition(function() isChatFocused(chat),
+                             function() {
+              is(chat.contentDocument.activeElement.getAttribute("id"), "input2",
+                 "correct input field still has focus");
+              next();
+            }, "chat took focus");
+          }, "tab has focus");
+        }, "chat took focus");
+      });
+    });
+  },
+};