Bug 1208257 - [webext] windows.json (r=kmag)
authorBill McCloskey <billm@mozilla.com>
Thu, 19 Nov 2015 18:52:14 -0800
changeset 309952 4d4e7113daa247ece8639d909ce97f28ea64f413
parent 309951 66b1cfe0d743f80de2f888b55d6f2ab60eb32ef5
child 309953 7b0f6544f9b6b18c87e0bcacc215726a5804f2f2
push id5513
push userraliiev@mozilla.com
push dateMon, 25 Jan 2016 13:55:34 +0000
treeherdermozilla-beta@5ee97dd05b5c [default view] [failures only]
perfherder[talos] [build metrics] [platform microbench] (compared to previous push)
reviewerskmag
bugs1208257
milestone45.0a1
first release with
nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
last release without
nightly linux32
nightly linux64
nightly mac
nightly win32
nightly win64
Bug 1208257 - [webext] windows.json (r=kmag)
browser/components/extensions/ext-utils.js
browser/components/extensions/ext-windows.js
browser/components/extensions/moz.build
browser/components/extensions/schemas/LICENSE
browser/components/extensions/schemas/jar.mn
browser/components/extensions/schemas/moz.build
browser/components/extensions/schemas/windows.json
browser/components/nsBrowserGlue.js
--- a/browser/components/extensions/ext-utils.js
+++ b/browser/components/extensions/ext-utils.js
@@ -425,16 +425,17 @@ extensions.on("shutdown", (type, extensi
 });
 /* eslint-enable mozilla/balanced-listeners */
 
 // Manages mapping between XUL windows and extension window IDs.
 global.WindowManager = {
   _windows: new WeakMap(),
   _nextId: 0,
 
+  // Note: These must match the values in windows.json.
   WINDOW_ID_NONE: -1,
   WINDOW_ID_CURRENT: -2,
 
   get topWindow() {
     return Services.wm.getMostRecentWindow("navigator:browser");
   },
 
   windowType(window) {
--- a/browser/components/extensions/ext-windows.js
+++ b/browser/components/extensions/ext-windows.js
@@ -9,22 +9,19 @@ XPCOMUtils.defineLazyServiceGetter(this,
 /* globals aboutNewTabService */
 
 Cu.import("resource://gre/modules/ExtensionUtils.jsm");
 var {
   EventManager,
   runSafe,
 } = ExtensionUtils;
 
-extensions.registerAPI((extension, context) => {
+extensions.registerSchemaAPI("windows", null, (extension, context) => {
   return {
     windows: {
-      WINDOW_ID_CURRENT: WindowManager.WINDOW_ID_CURRENT,
-      WINDOW_ID_NONE: WindowManager.WINDOW_ID_NONE,
-
       onCreated:
       new WindowEventManager(context, "windows.onCreated", "domwindowopened", (fire, window) => {
         fire(WindowManager.convert(extension, window));
       }).api(),
 
       onRemoved:
       new WindowEventManager(context, "windows.onRemoved", "domwindowclosed", (fire, window) => {
         fire(WindowManager.getId(window));
@@ -46,31 +43,21 @@ extensions.registerAPI((extension, conte
       }).api(),
 
       get: function(windowId, getInfo, callback) {
         let window = WindowManager.getWindow(windowId);
         runSafe(context, callback, WindowManager.convert(extension, window, getInfo));
       },
 
       getCurrent: function(getInfo, callback) {
-        if (!callback) {
-          callback = getInfo;
-          getInfo = {};
-        }
         let window = currentWindow(context);
         runSafe(context, callback, WindowManager.convert(extension, window, getInfo));
       },
 
-      getLastFocused: function(...args) {
-        let getInfo, callback;
-        if (args.length == 1) {
-          callback = args[0];
-        } else {
-          [getInfo, callback] = args;
-        }
+      getLastFocused: function(getInfo, callback) {
         let window = WindowManager.topWindow;
         runSafe(context, callback, WindowManager.convert(extension, window, getInfo));
       },
 
       getAll: function(getInfo, callback) {
         let e = Services.wm.getEnumerator("navigator:browser");
         let windows = [];
         while (e.hasMoreElements()) {
@@ -85,50 +72,50 @@ extensions.registerAPI((extension, conte
       create: function(createData, callback) {
         function mkstr(s) {
           let result = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
           result.data = s;
           return result;
         }
 
         let args = Cc["@mozilla.org/supports-array;1"].createInstance(Ci.nsISupportsArray);
-        if ("url" in createData) {
+        if (createData.url !== null) {
           if (Array.isArray(createData.url)) {
             let array = Cc["@mozilla.org/supports-array;1"].createInstance(Ci.nsISupportsArray);
             for (let url of createData.url) {
               array.AppendElement(mkstr(url));
             }
             args.AppendElement(array);
           } else {
             args.AppendElement(mkstr(createData.url));
           }
         } else {
           args.AppendElement(mkstr(aboutNewTabService.newTabURL));
         }
 
         let extraFeatures = "";
-        if ("incognito" in createData) {
+        if (createData.incognito !== null) {
           if (createData.incognito) {
             extraFeatures += ",private";
           } else {
             extraFeatures += ",non-private";
           }
         }
 
         let window = Services.ww.openWindow(null, "chrome://browser/content/browser.xul", "_blank",
                                             "chrome,dialog=no,all" + extraFeatures, args);
 
-        if ("left" in createData || "top" in createData) {
-          let left = "left" in createData ? createData.left : window.screenX;
-          let top = "top" in createData ? createData.top : window.screenY;
+        if (createData.left !== null || createData.top !== null) {
+          let left = createData.left !== null ? createData.left : window.screenX;
+          let top = createData.top !== null ? createData.top : window.screenY;
           window.moveTo(left, top);
         }
-        if ("width" in createData || "height" in createData) {
-          let width = "width" in createData ? createData.width : window.outerWidth;
-          let height = "height" in createData ? createData.height : window.outerHeight;
+        if (createData.width !== null || createData.height !== null) {
+          let width = createData.width !== null ? createData.width : window.outerWidth;
+          let height = createData.height !== null ? createData.height : window.outerHeight;
           window.resizeTo(width, height);
         }
 
         // TODO: focused, type, state
 
         window.addEventListener("load", function listener() {
           window.removeEventListener("load", listener);
           if (callback) {
--- a/browser/components/extensions/moz.build
+++ b/browser/components/extensions/moz.build
@@ -1,9 +1,11 @@
 # -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
 # vim: set filetype=python:
 # 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/.
 
 JAR_MANIFESTS += ['jar.mn']
 
+DIRS += ['schemas']
+
 BROWSER_CHROME_MANIFESTS += ['test/browser/browser.ini']
new file mode 100644
--- /dev/null
+++ b/browser/components/extensions/schemas/LICENSE
@@ -0,0 +1,27 @@
+// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
new file mode 100644
--- /dev/null
+++ b/browser/components/extensions/schemas/jar.mn
@@ -0,0 +1,6 @@
+# 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/.
+
+browser.jar:
+    content/browser/schemas/windows.json
new file mode 100644
--- /dev/null
+++ b/browser/components/extensions/schemas/moz.build
@@ -0,0 +1,7 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+JAR_MANIFESTS += ['jar.mn']
new file mode 100644
--- /dev/null
+++ b/browser/components/extensions/schemas/windows.json
@@ -0,0 +1,324 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+[
+  {
+    "namespace": "windows",
+    "description": "Use the <code>browser.windows</code> API to interact with browser windows. You can use this API to create, modify, and rearrange windows in the browser.",
+    "types": [
+      {
+        "id": "WindowType",
+        "type": "string",
+        "description": "The type of browser window this is. Under some circumstances a Window may not be assigned type property, for example when querying closed windows from the $(ref:sessions) API.",
+        "enum": ["normal", "popup", "panel", "app", "devtools"]
+      },
+      {
+        "id": "WindowState",
+        "type": "string",
+        "description": "The state of this browser window. Under some circumstances a Window may not be assigned state property, for example when querying closed windows from the $(ref:sessions) API.",
+        "enum": ["normal", "minimized", "maximized", "fullscreen", "docked"]
+      },
+      {
+        "id": "Window",
+        "type": "object",
+        "properties": {
+          "id": {"type": "integer", "optional": true, "minimum": 0, "description": "The ID of the window. Window IDs are unique within a browser session. Under some circumstances a Window may not be assigned an ID, for example when querying windows using the $(ref:sessions) API, in which case a session ID may be present."},
+          "focused": {"type": "boolean", "description": "Whether the window is currently the focused window."},
+          "top": {"type": "integer", "optional": true, "description": "The offset of the window from the top edge of the screen in pixels. Under some circumstances a Window may not be assigned top property, for example when querying closed windows from the $(ref:sessions) API."},
+          "left": {"type": "integer", "optional": true, "description": "The offset of the window from the left edge of the screen in pixels. Under some circumstances a Window may not be assigned left property, for example when querying closed windows from the $(ref:sessions) API."},
+          "width": {"type": "integer", "optional": true, "description": "The width of the window, including the frame, in pixels. Under some circumstances a Window may not be assigned width property, for example when querying closed windows from the $(ref:sessions) API."},
+          "height": {"type": "integer", "optional": true, "description": "The height of the window, including the frame, in pixels. Under some circumstances a Window may not be assigned height property, for example when querying closed windows from the $(ref:sessions) API."},
+          "tabs": {"type": "array", "items": { "$ref": "tabs.Tab" }, "optional": true, "description": "Array of $(ref:tabs.Tab) objects representing the current tabs in the window."},
+          "incognito": {"type": "boolean", "description": "Whether the window is incognito."},
+          "type": {
+            "$ref": "WindowType",
+            "optional": true,
+            "description": "The type of browser window this is."
+          },
+          "state": {
+            "$ref": "WindowState",
+            "optional": true,
+            "description": "The state of this browser window."
+          },
+          "alwaysOnTop": {"unsupported": true, "type": "boolean", "description": "Whether the window is set to be always on top."},
+          "sessionId": {"unsupported": true, "type": "string", "optional": true, "description": "The session ID used to uniquely identify a Window obtained from the $(ref:sessions) API."}
+        }
+      },
+      {
+        "id": "CreateType",
+        "type": "string",
+        "description": "Specifies what type of browser window to create. The 'panel' and 'detached_panel' types create a popup unless the '--enable-panels' flag is set.",
+        "enum": ["normal", "popup", "panel", "detached_panel"]
+      }
+    ],
+    "properties": {
+      "WINDOW_ID_NONE": {
+        "value": -1,
+        "description": "The windowId value that represents the absence of a browser window."
+      },
+      "WINDOW_ID_CURRENT": {
+        "value": -2,
+        "description": "The windowId value that represents the $(topic:current-window)[current window]."
+      }
+    },
+    "functions": [
+      {
+        "name": "get",
+        "type": "function",
+        "description": "Gets details about a window.",
+        "parameters": [
+          {"type": "integer", "name": "windowId", "minimum": -2},
+          {
+            "type": "object",
+            "name": "getInfo",
+            "optional": true,
+            "description": "",
+            "properties": {
+              "populate": {"type": "boolean", "optional": true, "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." },
+              "windowTypes": {"type": "array", "items": { "$ref": "WindowType" }, "optional": true, "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows." }
+            }
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "parameters": [
+              {
+                "name": "window", "$ref": "Window"
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "getCurrent",
+        "type": "function",
+        "description": "Gets the $(topic:current-window)[current window].",
+        "parameters": [
+          {
+            "type": "object",
+            "name": "getInfo",
+            "optional": true,
+            "description": "",
+            "properties": {
+              "populate": {"type": "boolean", "optional": true, "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." },
+              "windowTypes": {"type": "array", "items": { "$ref": "WindowType" }, "optional": true, "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows." }
+            }
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "parameters": [
+              {
+                "name": "window", "$ref": "Window"
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "getLastFocused",
+        "type": "function",
+        "description": "Gets the window that was most recently focused &mdash; typically the window 'on top'.",
+        "parameters": [
+          {
+            "type": "object",
+            "name": "getInfo",
+            "optional": true,
+            "description": "",
+            "properties": {
+              "populate": {"type": "boolean", "optional": true, "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." },
+              "windowTypes": {"type": "array", "items": { "$ref": "WindowType" }, "optional": true, "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows." }
+            }
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "parameters": [
+              {
+                "name": "window", "$ref": "Window"
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "getAll",
+        "type": "function",
+        "description": "Gets all windows.",
+        "parameters": [
+          {
+            "type": "object",
+            "name": "getInfo",
+            "optional": true,
+            "description": "",
+            "properties": {
+              "populate": {"type": "boolean", "optional": true, "description": "If true, each $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects for that window. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." },
+              "windowTypes": {"type": "array", "items": { "$ref": "WindowType" }, "optional": true, "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows." }
+            }
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "parameters": [
+              {
+                "name": "windows", "type": "array", "items": { "$ref": "Window" }
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "create",
+        "type": "function",
+        "description": "Creates (opens) a new browser with any optional sizing, position or default URL provided.",
+        "parameters": [
+          {
+            "type": "object",
+            "name": "createData",
+            "properties": {
+              "url": {
+                "description": "A URL or array of URLs to open as tabs in the window. Fully-qualified URLs must include a scheme (i.e. 'http://www.google.com', not 'www.google.com'). Relative URLs will be relative to the current page within the extension. Defaults to the New Tab Page.",
+                "optional": true,
+                "choices": [
+                  {"type": "string"},
+                  {"type": "array", "items": {"type": "string"}}
+                ]
+              },
+              "tabId": {"type": "integer", "minimum": 0, "optional": true, "description": "The id of the tab for which you want to adopt to the new window."},
+              "left": {"type": "integer", "optional": true, "description": "The number of pixels to position the new window from the left edge of the screen. If not specified, the new window is offset naturally from the last focused window. This value is ignored for panels."},
+              "top": {"type": "integer", "optional": true, "description": "The number of pixels to position the new window from the top edge of the screen. If not specified, the new window is offset naturally from the last focused window. This value is ignored for panels."},
+              "width": {"type": "integer", "minimum": 0, "optional": true, "description": "The width in pixels of the new window, including the frame. If not specified defaults to a natural width."},
+              "height": {"type": "integer", "minimum": 0, "optional": true, "description": "The height in pixels of the new window, including the frame. If not specified defaults to a natural height."},
+              "focused": {"unsupported": true, "type": "boolean", "optional": true, "description": "If true, opens an active window. If false, opens an inactive window."},
+              "incognito": {"type": "boolean", "optional": true, "description": "Whether the new window should be an incognito window."},
+              "type": {
+                "unsupported": true,
+                "$ref": "CreateType",
+                "optional": true,
+                "description": "Specifies what type of browser window to create. The 'panel' and 'detached_panel' types create a popup unless the '--enable-panels' flag is set."
+              },
+              "state": {
+                "unsupported": true,
+                "$ref": "WindowState",
+                "optional": true,
+                "description": "The initial state of the window. The 'minimized', 'maximized' and 'fullscreen' states cannot be combined with 'left', 'top', 'width' or 'height'."
+              }
+            },
+            "optional": true
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "optional": true,
+            "parameters": [
+              {
+                "name": "window", "$ref": "Window", "description": "Contains details about the created window.",
+                "optional": true
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "update",
+        "type": "function",
+        "description": "Updates the properties of a window. Specify only the properties that you want to change; unspecified properties will be left unchanged.",
+        "parameters": [
+          {"type": "integer", "name": "windowId", "minimum": -2},
+          {
+            "type": "object",
+            "name": "updateInfo",
+            "properties": {
+              "left": {"unsupported": true, "type": "integer", "optional": true, "description": "The offset from the left edge of the screen to move the window to in pixels. This value is ignored for panels."},
+              "top": {"unsupported": true, "type": "integer", "optional": true, "description": "The offset from the top edge of the screen to move the window to in pixels. This value is ignored for panels."},
+              "width": {"unsupported": true, "type": "integer", "minimum": 0, "optional": true, "description": "The width to resize the window to in pixels. This value is ignored for panels."},
+              "height": {"unsupported": true, "type": "integer", "minimum": 0, "optional": true, "description": "The height to resize the window to in pixels. This value is ignored for panels."},
+              "focused": {"type": "boolean", "optional": true, "description": "If true, brings the window to the front. If false, brings the next window in the z-order to the front."},
+              "drawAttention": {"unsupported": true, "type": "boolean", "optional": true, "description": "If true, causes the window to be displayed in a manner that draws the user's attention to the window, without changing the focused window. The effect lasts until the user changes focus to the window. This option has no effect if the window already has focus. Set to false to cancel a previous draw attention request."},
+              "state": {
+                "unsupported": true,
+                "$ref": "WindowState",
+                "optional": true,
+                "description": "The new state of the window. The 'minimized', 'maximized' and 'fullscreen' states cannot be combined with 'left', 'top', 'width' or 'height'."
+              }
+            }
+          },
+          {
+            "type": "function",
+            "name": "callback",
+            "optional": true,
+            "parameters": [
+              {
+                "name": "window", "$ref": "Window"
+              }
+            ]
+          }
+        ]
+      },
+      {
+        "name": "remove",
+        "type": "function",
+        "description": "Removes (closes) a window, and all the tabs inside it.",
+        "parameters": [
+          {"type": "integer", "name": "windowId", "minimum": 0},
+          {"type": "function", "name": "callback", "optional": true, "parameters": []}
+        ]
+      }
+    ],
+    "events": [
+      {
+        "name": "onCreated",
+        "type": "function",
+        "description": "Fired when a window is created.",
+        "filters": [
+          {
+            "name": "windowTypes",
+            "type": "array",
+            "items": { "$ref": "WindowType" },
+            "description": "Conditions that the window's type being created must satisfy. By default it will satisfy <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
+          }
+        ],
+        "parameters": [
+          {
+            "$ref": "Window",
+            "name": "window",
+            "description": "Details of the window that was created."
+          }
+        ]
+      },
+      {
+        "name": "onRemoved",
+        "type": "function",
+        "description": "Fired when a window is removed (closed).",
+        "filters": [
+          {
+            "name": "windowTypes",
+            "type": "array",
+            "items": { "$ref": "WindowType" },
+            "description": "Conditions that the window's type being removed must satisfy. By default it will satisfy <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
+          }
+        ],
+        "parameters": [
+          {"type": "integer", "name": "windowId", "minimum": 0, "description": "ID of the removed window."}
+        ]
+      },
+      {
+        "name": "onFocusChanged",
+        "type": "function",
+        "description": "Fired when the currently focused window changes. Will be $(ref:windows.WINDOW_ID_NONE) if all browser windows have lost focus. Note: On some Linux window managers, WINDOW_ID_NONE will always be sent immediately preceding a switch from one browser window to another.",
+        "filters": [
+          {
+            "name": "windowTypes",
+            "type": "array",
+            "items": { "$ref": "WindowType" },
+            "description": "Conditions that the window's type being removed must satisfy. By default it will satisfy <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
+          }
+        ],
+        "parameters": [
+          {"type": "integer", "name": "windowId", "minimum": -1, "description": "ID of the newly focused window."}
+        ]
+      }
+    ]
+  }
+]
--- a/browser/components/nsBrowserGlue.js
+++ b/browser/components/nsBrowserGlue.js
@@ -618,16 +618,18 @@ BrowserGlue.prototype = {
     ExtensionManagement.registerScript("chrome://browser/content/ext-utils.js");
     ExtensionManagement.registerScript("chrome://browser/content/ext-browserAction.js");
     ExtensionManagement.registerScript("chrome://browser/content/ext-pageAction.js");
     ExtensionManagement.registerScript("chrome://browser/content/ext-contextMenus.js");
     ExtensionManagement.registerScript("chrome://browser/content/ext-tabs.js");
     ExtensionManagement.registerScript("chrome://browser/content/ext-windows.js");
     ExtensionManagement.registerScript("chrome://browser/content/ext-bookmarks.js");
 
+    ExtensionManagement.registerSchema("chrome://browser/content/schemas/windows.json");
+
     this._flashHangCount = 0;
     this._firstWindowReady = new Promise(resolve => this._firstWindowLoaded = resolve);
   },
 
   // cleanup (called on application shutdown)
   _dispose: function BG__dispose() {
     let os = Services.obs;
     os.removeObserver(this, "notifications-open-settings");