addon-sdk/source/lib/sdk/deprecated/window-utils.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/addon-sdk/source/lib/sdk/deprecated/window-utils.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,227 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +'use strict';
     1.8 +
     1.9 +module.metadata = {
    1.10 +  'stability': 'deprecated'
    1.11 +};
    1.12 +
    1.13 +const { Cc, Ci } = require('chrome');
    1.14 +const { EventEmitter } = require('../deprecated/events');
    1.15 +const { Trait } = require('../deprecated/traits');
    1.16 +const { when } = require('../system/unload');
    1.17 +const events = require('../system/events');
    1.18 +const { getInnerId, getOuterId, windows, isDocumentLoaded, isBrowser,
    1.19 +        getMostRecentBrowserWindow, getMostRecentWindow } = require('../window/utils');
    1.20 +const errors = require('../deprecated/errors');
    1.21 +const { deprecateFunction } = require('../util/deprecate');
    1.22 +const { ignoreWindow, isGlobalPBSupported } = require('sdk/private-browsing/utils');
    1.23 +const { isPrivateBrowsingSupported } = require('../self');
    1.24 +
    1.25 +const windowWatcher = Cc['@mozilla.org/embedcomp/window-watcher;1'].
    1.26 +                       getService(Ci.nsIWindowWatcher);
    1.27 +const appShellService = Cc['@mozilla.org/appshell/appShellService;1'].
    1.28 +                        getService(Ci.nsIAppShellService);
    1.29 +
    1.30 +// Bug 834961: ignore private windows when they are not supported
    1.31 +function getWindows() windows(null, { includePrivate: isPrivateBrowsingSupported || isGlobalPBSupported });
    1.32 +
    1.33 +/**
    1.34 + * An iterator for XUL windows currently in the application.
    1.35 + *
    1.36 + * @return A generator that yields XUL windows exposing the
    1.37 + *         nsIDOMWindow interface.
    1.38 + */
    1.39 +function windowIterator() {
    1.40 +  // Bug 752631: We only pass already loaded window in order to avoid
    1.41 +  // breaking XUL windows DOM. DOM is broken when some JS code try
    1.42 +  // to access DOM during "uninitialized" state of the related document.
    1.43 +  let list = getWindows().filter(isDocumentLoaded);
    1.44 +  for (let i = 0, l = list.length; i < l; i++) {
    1.45 +    yield list[i];
    1.46 +  }
    1.47 +};
    1.48 +exports.windowIterator = windowIterator;
    1.49 +
    1.50 +/**
    1.51 + * An iterator for browser windows currently open in the application.
    1.52 + * @returns {Function}
    1.53 + *    A generator that yields browser windows exposing the `nsIDOMWindow`
    1.54 + *    interface.
    1.55 + */
    1.56 +function browserWindowIterator() {
    1.57 +  for each (let window in windowIterator()) {
    1.58 +    if (isBrowser(window))
    1.59 +      yield window;
    1.60 +  }
    1.61 +}
    1.62 +exports.browserWindowIterator = browserWindowIterator;
    1.63 +
    1.64 +function WindowTracker(delegate) {
    1.65 +   if (!(this instanceof WindowTracker)) {
    1.66 +     return new WindowTracker(delegate);
    1.67 +   }
    1.68 +
    1.69 +  this._delegate = delegate;
    1.70 +  this._loadingWindows = [];
    1.71 +
    1.72 +  for each (let window in getWindows())
    1.73 +    this._regWindow(window);
    1.74 +  windowWatcher.registerNotification(this);
    1.75 +  this._onToplevelWindowReady = this._onToplevelWindowReady.bind(this);
    1.76 +  events.on('toplevel-window-ready', this._onToplevelWindowReady);
    1.77 +
    1.78 +  require('../system/unload').ensure(this);
    1.79 +
    1.80 +  return this;
    1.81 +};
    1.82 +
    1.83 +WindowTracker.prototype = {
    1.84 +  _regLoadingWindow: function _regLoadingWindow(window) {
    1.85 +    // Bug 834961: ignore private windows when they are not supported
    1.86 +    if (ignoreWindow(window))
    1.87 +      return;
    1.88 +
    1.89 +    this._loadingWindows.push(window);
    1.90 +    window.addEventListener('load', this, true);
    1.91 +  },
    1.92 +
    1.93 +  _unregLoadingWindow: function _unregLoadingWindow(window) {
    1.94 +    var index = this._loadingWindows.indexOf(window);
    1.95 +
    1.96 +    if (index != -1) {
    1.97 +      this._loadingWindows.splice(index, 1);
    1.98 +      window.removeEventListener('load', this, true);
    1.99 +    }
   1.100 +  },
   1.101 +
   1.102 +  _regWindow: function _regWindow(window) {
   1.103 +    // Bug 834961: ignore private windows when they are not supported
   1.104 +    if (ignoreWindow(window))
   1.105 +      return;
   1.106 +
   1.107 +    if (window.document.readyState == 'complete') {
   1.108 +      this._unregLoadingWindow(window);
   1.109 +      this._delegate.onTrack(window);
   1.110 +    } else
   1.111 +      this._regLoadingWindow(window);
   1.112 +  },
   1.113 +
   1.114 +  _unregWindow: function _unregWindow(window) {
   1.115 +    if (window.document.readyState == 'complete') {
   1.116 +      if (this._delegate.onUntrack)
   1.117 +        this._delegate.onUntrack(window);
   1.118 +    } else {
   1.119 +      this._unregLoadingWindow(window);
   1.120 +    }
   1.121 +  },
   1.122 +
   1.123 +  unload: function unload() {
   1.124 +    windowWatcher.unregisterNotification(this);
   1.125 +    events.off('toplevel-window-ready', this._onToplevelWindowReady);
   1.126 +    for each (let window in getWindows())
   1.127 +      this._unregWindow(window);
   1.128 +  },
   1.129 +
   1.130 +  handleEvent: errors.catchAndLog(function handleEvent(event) {
   1.131 +    if (event.type == 'load' && event.target) {
   1.132 +      var window = event.target.defaultView;
   1.133 +      if (window)
   1.134 +        this._regWindow(window);
   1.135 +    }
   1.136 +  }),
   1.137 +
   1.138 +  _onToplevelWindowReady: function _onToplevelWindowReady({subject}) {
   1.139 +    let window = subject;
   1.140 +    // ignore private windows if they are not supported
   1.141 +    if (ignoreWindow(window))
   1.142 +      return;
   1.143 +    this._regWindow(window);
   1.144 +  },
   1.145 +
   1.146 +  observe: errors.catchAndLog(function observe(subject, topic, data) {
   1.147 +    var window = subject.QueryInterface(Ci.nsIDOMWindow);
   1.148 +    // ignore private windows if they are not supported
   1.149 +    if (ignoreWindow(window))
   1.150 +      return;
   1.151 +    if (topic == 'domwindowclosed')
   1.152 +      this._unregWindow(window);
   1.153 +  })
   1.154 +};
   1.155 +exports.WindowTracker = WindowTracker;
   1.156 +
   1.157 +const WindowTrackerTrait = Trait.compose({
   1.158 +  _onTrack: Trait.required,
   1.159 +  _onUntrack: Trait.required,
   1.160 +  constructor: function WindowTrackerTrait() {
   1.161 +    WindowTracker({
   1.162 +      onTrack: this._onTrack.bind(this),
   1.163 +      onUntrack: this._onUntrack.bind(this)
   1.164 +    });
   1.165 +  }
   1.166 +});
   1.167 +exports.WindowTrackerTrait = WindowTrackerTrait;
   1.168 +
   1.169 +var gDocsToClose = [];
   1.170 +
   1.171 +function onDocUnload(event) {
   1.172 +  var index = gDocsToClose.indexOf(event.target);
   1.173 +  if (index == -1)
   1.174 +    throw new Error('internal error: unloading document not found');
   1.175 +  var document = gDocsToClose.splice(index, 1)[0];
   1.176 +  // Just in case, let's remove the event listener too.
   1.177 +  document.defaultView.removeEventListener('unload', onDocUnload, false);
   1.178 +}
   1.179 +
   1.180 +onDocUnload = require('./errors').catchAndLog(onDocUnload);
   1.181 +
   1.182 +exports.closeOnUnload = function closeOnUnload(window) {
   1.183 +  window.addEventListener('unload', onDocUnload, false);
   1.184 +  gDocsToClose.push(window.document);
   1.185 +};
   1.186 +
   1.187 +Object.defineProperties(exports, {
   1.188 +  activeWindow: {
   1.189 +    enumerable: true,
   1.190 +    get: function() {
   1.191 +      return getMostRecentWindow(null);
   1.192 +    },
   1.193 +    set: function(window) {
   1.194 +      try {
   1.195 +        window.focus();
   1.196 +      } catch (e) {}
   1.197 +    }
   1.198 +  },
   1.199 +  activeBrowserWindow: {
   1.200 +    enumerable: true,
   1.201 +    get: getMostRecentBrowserWindow
   1.202 +  }
   1.203 +});
   1.204 +
   1.205 +
   1.206 +/**
   1.207 + * Returns the ID of the window's current inner window.
   1.208 + */
   1.209 +exports.getInnerId = deprecateFunction(getInnerId,
   1.210 +  'require("window-utils").getInnerId is deprecated, ' +
   1.211 +  'please use require("sdk/window/utils").getInnerId instead'
   1.212 +);
   1.213 +
   1.214 +exports.getOuterId = deprecateFunction(getOuterId,
   1.215 +  'require("window-utils").getOuterId is deprecated, ' +
   1.216 +  'please use require("sdk/window/utils").getOuterId instead'
   1.217 +);
   1.218 +
   1.219 +exports.isBrowser = deprecateFunction(isBrowser,
   1.220 +  'require("window-utils").isBrowser is deprecated, ' +
   1.221 +  'please use require("sdk/window/utils").isBrowser instead'
   1.222 +);
   1.223 +
   1.224 +exports.hiddenWindow = appShellService.hiddenDOMWindow;
   1.225 +
   1.226 +when(
   1.227 +  function() {
   1.228 +    gDocsToClose.slice().forEach(
   1.229 +      function(doc) { doc.defaultView.close(); });
   1.230 +  });

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