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/* 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/. */
'use strict';
module.metadata = {
'stability': 'deprecated'
};
const { Cc, Ci } = require('chrome');
const events = require('../system/events');
const { getInnerId, getOuterId, windows, isDocumentLoaded, isBrowser,
getMostRecentBrowserWindow, getToplevelWindow, getMostRecentWindow } = require('../window/utils');
const { deprecateFunction } = require('../util/deprecate');
const { ignoreWindow } = require('sdk/private-browsing/utils');
const { isPrivateBrowsingSupported } = require('../self');
const windowWatcher = Cc['@mozilla.org/embedcomp/window-watcher;1'].
getService(Ci.nsIWindowWatcher);
const appShellService = Cc['@mozilla.org/appshell/appShellService;1'].
getService(Ci.nsIAppShellService);
// Bug 834961: ignore private windows when they are not supported
function getWindows() {
return windows(null, { includePrivate: isPrivateBrowsingSupported });
}
/**
* An iterator for XUL windows currently in the application.
*
* @return A generator that yields XUL windows exposing the
* nsIDOMWindow interface.
*/
function windowIterator() {
// Bug 752631: We only pass already loaded window in order to avoid
// breaking XUL windows DOM. DOM is broken when some JS code try
// to access DOM during "uninitialized" state of the related document.
let list = getWindows().filter(isDocumentLoaded);
for (let i = 0, l = list.length; i < l; i++) {
yield list[i];
}
};
exports.windowIterator = windowIterator;
/**
* An iterator for browser windows currently open in the application.
* @returns {Function}
* A generator that yields browser windows exposing the `nsIDOMWindow`
* interface.
*/
function browserWindowIterator() {
for (let window of windowIterator()) {
if (isBrowser(window))
yield window;
}
}
exports.browserWindowIterator = browserWindowIterator;
function WindowTracker(delegate) {
if (!(this instanceof WindowTracker)) {
return new WindowTracker(delegate);
}
this._delegate = delegate;
for (let window of getWindows())
this._regWindow(window);
windowWatcher.registerNotification(this);
this._onToplevelWindowReady = this._onToplevelWindowReady.bind(this);
events.on('toplevel-window-ready', this._onToplevelWindowReady);
require('../system/unload').ensure(this);
return this;
};
WindowTracker.prototype = {
_regLoadingWindow: function _regLoadingWindow(window) {
// Bug 834961: ignore private windows when they are not supported
if (ignoreWindow(window))
return;
window.addEventListener('load', this, true);
},
_unregLoadingWindow: function _unregLoadingWindow(window) {
// This may have no effect if we ignored the window in _regLoadingWindow().
window.removeEventListener('load', this, true);
},
_regWindow: function _regWindow(window) {
// Bug 834961: ignore private windows when they are not supported
if (ignoreWindow(window))
return;
if (window.document.readyState == 'complete') {
this._unregLoadingWindow(window);
this._delegate.onTrack(window);
} else
this._regLoadingWindow(window);
},
_unregWindow: function _unregWindow(window) {
if (window.document.readyState == 'complete') {
if (this._delegate.onUntrack)
this._delegate.onUntrack(window);
} else {
this._unregLoadingWindow(window);
}
},
unload: function unload() {
windowWatcher.unregisterNotification(this);
events.off('toplevel-window-ready', this._onToplevelWindowReady);
for (let window of getWindows())
this._unregWindow(window);
},
handleEvent: function handleEvent(event) {
try {
if (event.type == 'load' && event.target) {
var window = event.target.defaultView;
if (window)
this._regWindow(getToplevelWindow(window));
}
}
catch(e) {
console.exception(e);
}
},
_onToplevelWindowReady: function _onToplevelWindowReady({subject}) {
let window = getToplevelWindow(subject);
// ignore private windows if they are not supported
if (ignoreWindow(window))
return;
this._regWindow(window);
},
observe: function observe(subject, topic, data) {
try {
var window = subject.QueryInterface(Ci.nsIDOMWindow);
// ignore private windows if they are not supported
if (ignoreWindow(window))
return;
if (topic == 'domwindowclosed')
this._unregWindow(window);
}
catch(e) {
console.exception(e);
}
}
};
exports.WindowTracker = WindowTracker;
Object.defineProperties(exports, {
activeWindow: {
enumerable: true,
get: function() {
return getMostRecentWindow(null);
},
set: function(window) {
try {
window.focus();
} catch (e) {}
}
},
activeBrowserWindow: {
enumerable: true,
get: getMostRecentBrowserWindow
}
});
/**
* Returns the ID of the window's current inner window.
*/
exports.getInnerId = deprecateFunction(getInnerId,
'require("window-utils").getInnerId is deprecated, ' +
'please use require("sdk/window/utils").getInnerId instead'
);
exports.getOuterId = deprecateFunction(getOuterId,
'require("window-utils").getOuterId is deprecated, ' +
'please use require("sdk/window/utils").getOuterId instead'
);
exports.isBrowser = deprecateFunction(isBrowser,
'require("window-utils").isBrowser is deprecated, ' +
'please use require("sdk/window/utils").isBrowser instead'
);
exports.hiddenWindow = appShellService.hiddenDOMWindow;
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