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+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Jetpack.
+ *
+ * The Initial Developer of the Original Code is Mozilla.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Felipe Gomes <felipc@gmail.com> (Original author)
+ *   Irakli Gozalishvili <gozala@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+const {Cc, Ci} = require("chrome");
+const { setTimeout } = require("timer");
+const { Loader } = require('./helpers');
+const wm = Cc["@mozilla.org/appshell/window-mediator;1"].
+           getService(Ci.nsIWindowMediator);
+let browserWindows;
+
+function getTestRunnerWindow() wm.getMostRecentWindow("test:runner")
+
+exports.testOpenAndCloseWindow = function(test) {
+  test.waitUntilDone();
+
+  test.assertEqual(browserWindows.length, 1, "Only one window open");
+
+  browserWindows.open({
+    url: "data:text/html,<title>windows API test</title>",
+    onOpen: function(window) {
+      test.assertEqual(this, browserWindows,
+                       "The 'this' object is the windows object.");
+      test.assertEqual(window.tabs.length, 1, "Only one tab open");
+      test.assertEqual(browserWindows.length, 2, "Two windows open");
+      window.tabs.activeTab.on('ready', function onReady(tab) {
+        tab.removeListener('ready', onReady);
+        test.assert(window.title.indexOf("windows API test") != -1,
+                    "URL correctly loaded");
+        window.close();
+      });
+    },
+    onClose: function(window) {
+      test.assertEqual(window.tabs.length, 0, "Tabs were cleared");
+      test.assertEqual(browserWindows.length, 1, "Only one window open");
+      test.done();
+    }
+  });
+};
+
+exports.testAutomaticDestroy = function(test) {
+    
+  test.waitUntilDone();
+  let windows = browserWindows;
+
+  // Create a second windows instance that we will unload
+  let called = false;
+  let loader = Loader(module);
+  let windows2 = loader.require("windows").browserWindows;
+  windows2.on("open", function() {
+    called = true;
+  });
+  
+  loader.unload();
+  
+  // Fire a windows event and check that this unloaded instance is inactive
+  windows.open({
+    url: "data:text/html,foo",
+    onOpen: function(window) {
+      setTimeout(function () {
+        test.assert(!called, 
+          "Unloaded windows instance is destroyed and inactive");
+        window.close(function () {
+          test.done();
+        });
+      });
+    }
+  });
+  
+};
+
+exports.testOnOpenOnCloseListeners = function(test) {
+  test.waitUntilDone();
+  let windows = browserWindows;
+
+  test.assertEqual(browserWindows.length, 1, "Only one window open");
+
+  let received = {
+    listener1: false,
+    listener2: false,
+    listener3: false,
+    listener4: false
+  }
+
+   function listener1() {
+    test.assertEqual(this, windows, "The 'this' object is the windows object.");
+    if (received.listener1)
+      test.fail("Event received twice");
+    received.listener1 = true;
+  }
+
+  function listener2() {
+    if (received.listener2)
+      test.fail("Event received twice");
+    received.listener2 = true;
+  }
+
+  function listener3() {
+    test.assertEqual(this, windows, "The 'this' object is the windows object.");
+    if (received.listener3)
+      test.fail("Event received twice");
+    received.listener3 = true;
+  }
+
+  function listener4() {
+    if (received.listener4)
+      test.fail("Event received twice");
+    received.listener4 = true;
+  }
+
+  windows.on('open', listener1);
+  windows.on('open', listener2);
+  windows.on('close', listener3);
+  windows.on('close', listener4);
+
+  function verify() {
+    test.assert(received.listener1, "onOpen handler called");
+    test.assert(received.listener2, "onOpen handler called");
+    test.assert(received.listener3, "onClose handler called");
+    test.assert(received.listener4, "onClose handler called");
+
+    windows.removeListener('open', listener1);
+    windows.removeListener('open', listener2);
+    windows.removeListener('close', listener3);
+    windows.removeListener('close', listener4);
+    test.done();
+  }
+
+
+  windows.open({
+    url: "data:text/html,foo",
+    onOpen: function(window) {
+      window.close(verify);
+    }
+  });
+};
+
+exports.testWindowTabsObject = function(test) {
+  test.waitUntilDone();
+
+  browserWindows.open({
+    url: "data:text/html,<title>tab 1</title>",
+    onOpen: function onOpen(window) {
+      test.assertEqual(window.tabs.length, 1, "Only 1 tab open");
+
+      window.tabs.open({
+        url: "data:text/html,<title>tab 2</title>",
+        inBackground: true,
+        onReady: function onReady(newTab) {
+          test.assertEqual(window.tabs.length, 2, "New tab open");
+          test.assertEqual(newTab.title, "tab 2", "Correct new tab title");
+          test.assertEqual(window.tabs.activeTab.title, "tab 1", "Correct active tab");
+
+          let i = 1;
+          for each (let tab in window.tabs)
+            test.assertEqual(tab.title, "tab " + i++, "Correct title");
+
+          window.close();
+        }
+      });
+    },
+    onClose: function onClose(window) {
+      test.assertEqual(window.tabs.length, 0, "No more tabs on closed window");
+      test.done();
+    }
+  });
+};
+
+exports.testActiveWindow = function(test) {
+  const xulApp = require("xul-app");
+  if (xulApp.versionInRange(xulApp.platformVersion, "1.9.2", "1.9.2.*")) {
+    test.pass("This test is disabled on 3.6. For more information, see bug 598525");
+    return;
+  }
+
+  let windows = browserWindows;
+
+  // API window objects
+  let window2, window3;
+
+  // Raw window objects
+  let nonBrowserWindow = getTestRunnerWindow(), rawWindow2, rawWindow3;
+
+  test.waitUntilDone();
+
+  let testSteps = [
+    function() {
+      test.assertEqual(windows.length, 3, "Correct number of browser windows");
+      let count = 0;
+      for (let window in windows)
+        count++;
+      test.assertEqual(count, 3, "Correct number of windows returned by iterator");
+
+      rawWindow2.focus();
+      continueAfterFocus(rawWindow2);
+    },
+    function() {
+      nonBrowserWindow.focus();
+      continueAfterFocus(nonBrowserWindow);
+    },
+    function() {
+      /**
+       * Bug 614079: This test fails intermittently on some specific linux 
+       *             environnements, without being able to reproduce it in same
+       *             distribution with same window manager.
+       *             Disable it until being able to reproduce it easily.
+      
+      // On linux, focus is not consistent, so we can't be sure
+      // what window will be on top.
+      // Here when we focus "non-browser" window, 
+      // Any Browser window may be selected as "active". 
+      test.assert(windows.activeWindow == window2 || windows.activeWindow == window3, 
+        "Non-browser windows aren't handled by this module");
+      */
+      window2.activate();
+      continueAfterFocus(rawWindow2);
+    },
+    function() {
+      test.assertEqual(windows.activeWindow.title, window2.title, "Correct active window - 2");
+      window3.activate();
+      continueAfterFocus(rawWindow3);
+    },
+    function() {
+      test.assertEqual(windows.activeWindow.title, window3.title, "Correct active window - 3");
+      nonBrowserWindow.focus();
+      finishTest();
+    }
+  ];
+
+  windows.open({
+    url: "data:text/html,<title>window 2</title>",
+    onOpen: function(window) {
+      window2 = window;
+      rawWindow2 = wm.getMostRecentWindow("navigator:browser");
+
+      windows.open({
+        url: "data:text/html,<title>window 3</title>",
+        onOpen: function(window) {
+          window.tabs.activeTab.on('ready', function onReady() {
+            window3 = window;
+            rawWindow3 = wm.getMostRecentWindow("navigator:browser");
+            nextStep()
+          });
+        }
+      });
+    }
+  });
+
+  function nextStep() {
+    if (testSteps.length > 0)
+      testSteps.shift()();
+  }
+
+  function continueAfterFocus(targetWindow) {
+
+    // Based on SimpleTest.waitForFocus
+    var fm = Cc["@mozilla.org/focus-manager;1"].
+             getService(Ci.nsIFocusManager);
+
+    var childTargetWindow = {};
+    fm.getFocusedElementForWindow(targetWindow, true, childTargetWindow);
+    childTargetWindow = childTargetWindow.value;
+
+    var focusedChildWindow = {};
+    if (fm.activeWindow) {
+      fm.getFocusedElementForWindow(fm.activeWindow, true, focusedChildWindow);
+      focusedChildWindow = focusedChildWindow.value;
+    }
+
+    var focused = (focusedChildWindow == childTargetWindow);
+    if (focused) {
+      nextStep();
+    } else {
+      childTargetWindow.addEventListener("focus", function focusListener() {
+        childTargetWindow.removeEventListener("focus", focusListener, true);
+        nextStep();
+      }, true);
+    }
+
+  }
+
+  function finishTest() {
+    window3.close(function() {
+      window2.close(function() {
+        test.done();
+      });
+    });
+  }
+};
+
+// If the module doesn't support the app we're being run in, require() will
+// throw.  In that case, remove all tests above from exports, and add one dummy
+// test that passes.
+try {
+  browserWindows = require("windows").browserWindows;
+}
+catch (err) {
+  // This bug should be mentioned in the error message.
+  let bug = "https://bugzilla.mozilla.org/show_bug.cgi?id=571449";
+  if (err.message.indexOf(bug) < 0)
+    throw err;
+  for (let [prop, val] in Iterator(exports)) {
+    if (/^test/.test(prop) && typeof(val) === "function")
+      delete exports[prop];
+  }
+  exports.testAppNotSupported = function (test) {
+    test.pass("the windows module does not support this application.");
+  };
+}