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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';
const { Cc, Ci } = require('chrome');
const windowWatcher = Cc['@mozilla.org/embedcomp/window-watcher;1'].
getService(Ci.nsIWindowWatcher);
const appShellService = Cc['@mozilla.org/appshell/appShellService;1'].
getService(Ci.nsIAppShellService);
const observers = require('api-utils/observer-service');
/**
* Returns the ID of the window's current inner window.
*/
function getInnerId(window) {
return window.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIDOMWindowUtils).currentInnerWindowID;
};
exports.getInnerId = getInnerId;
/**
* Returns the ID of the window's outer window.
*/
function getOuterId(window) {
return window.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIDOMWindowUtils).outerWindowID;
};
exports.getOuterId = getOuterId;
/**
* Returns `nsIXULWindow` for the given `nsIDOMWindow`.
*/
function getXULWindow(window) {
return window.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIWebNavigation).
QueryInterface(Ci.nsIDocShellTreeItem).
treeOwner.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIXULWindow);
};
exports.getXULWindow = getXULWindow;
/**
* Returns `nsIBaseWindow` for the given `nsIDOMWindow`.
*/
function getBaseWindow(window) {
return window.QueryInterface(Ci.nsIInterfaceRequestor).
getInterface(Ci.nsIWebNavigation).
QueryInterface(Ci.nsIDocShell).
QueryInterface(Ci.nsIDocShellTreeItem).
treeOwner.
QueryInterface(Ci.nsIBaseWindow);
}
exports.getBaseWindow = getBaseWindow;
/**
* Removes given window from the application's window registry. Unless
* `options.close` is `false` window is automatically closed on application
* quit.
* @params {nsIDOMWindow} window
* @params {Boolean} options.close
*/
function backgroundify(window, options) {
let base = getBaseWindow(window);
base.visibility = false;
base.enabled = false;
appShellService.unregisterTopLevelWindow(getXULWindow(window));
if (!options || options.close !== false)
observers.add('quit-application-granted', window.close.bind(window));
return window;
}
exports.backgroundify = backgroundify;
/**
* Takes hash of options and serializes it to a features string that
* can be used passed to `window.open`. For more details on features string see:
* https://developer.mozilla.org/en/DOM/window.open#Position_and_size_features
*/
function serializeFeatures(options) {
return Object.keys(options).reduce(function(result, name) {
let value = options[name];
return result + ',' + name + '=' +
(value === true ? 'yes' : value === false ? 'no' : value);
}, '').substr(1);
}
/**
* Opens a top level window and returns it's `nsIDOMWindow` representation.
* @params {String} uri
* URI of the document to be loaded into window.
* @params {nsIDOMWindow} options.parent
* Used as parent for the created window.
* @params {String} options.name
* Optional name that is assigned to the window.
* @params {Object} options.features
* Map of key, values like: `{ width: 10, height: 15, chrome: true }`.
*/
function open(uri, options) {
options = options || {};
return windowWatcher.
openWindow(options.parent || null,
uri,
options.name || null,
serializeFeatures(options.features || {}),
null);
}
exports.open = open;
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