gecko-dev/testing/marionette/modal.js
Andreas Tolfsen 3e7fc0e2d3 Bug 1107706: Part 13: Style fixes
Linting; no functional changes.

--HG--
extra : rebase_source : bf63a6d317af1cba44c6608437c0b0894e8231ce
extra : source : ec2b1317d3c6389826da0e8e8c12176ff2cf9eeb
2015-03-23 20:43:18 +00:00

116 lines
2.8 KiB
JavaScript

/* 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 {utils: Cu} = Components;
Cu.import("resource://gre/modules/Services.jsm");
this.EXPORTED_SYMBOLS = ["modal"];
let isFirefox = () => Services.appinfo.name == "Firefox";
this.modal = {};
modal = {
COMMON_DIALOG_LOADED: "common-dialog-loaded",
TABMODAL_DIALOG_LOADED: "tabmodal-dialog-loaded",
handlers: {
"common-dialog-loaded": new Set(),
"tabmodal-dialog-loaded": new Set()
}
};
/**
* Add handler that will be called when a global- or tab modal dialogue
* appears.
*
* This is achieved by installing observers for common-
* and tab modal loaded events.
*
* This function is a no-op if called on any other product than Firefox.
*
* @param {function(Object, string)} handler
* The handler to be called, which is passed the
* subject (e.g. ChromeWindow) and the topic (one of
* {@code modal.COMMON_DIALOG_LOADED} or
* {@code modal.TABMODAL_DIALOG_LOADED}.
*/
modal.addHandler = function(handler) {
if (!isFirefox()) {
return;
}
Object.keys(this.handlers).map(topic => {
this.handlers[topic].add(handler);
Services.obs.addObserver(handler, topic, false);
});
};
/**
* Remove modal dialogue handler by function reference.
*
* This function is a no-op if called on any other product than Firefox.
*
* @param {function} toRemove
* The handler previously passed to modal.addHandler which will now
* be removed.
*/
modal.removeHandler = function(toRemove) {
if (!isFirefox()) {
return;
}
for (let topic of Object.keys(this.handlers)) {
let handlers = this.handlers[topic];
for (let handler of handlers) {
if (handler == toRemove) {
Services.obs.removeObserver(handler, topic);
handlers.delete(handler);
}
}
}
};
/**
* Represents the current modal dialogue.
*
* @param {function(): BrowserObj} curBrowserFn
* Function that returns the current BrowserObj.
* @param {?nsIWeakReference} winRef
* A weak reference to the current ChromeWindow.
*/
modal.Dialog = function(curBrowserFn, winRef=null) {
Object.defineProperty(this, "curBrowser", {
get() { return curBrowserFn(); }
});
this.win_ = winRef;
};
/**
* Returns the ChromeWindow associated with an open dialog window if it
* is currently attached to the DOM.
*/
Object.defineProperty(modal.Dialog.prototype, "window", {
get() {
if (this.win_ !== null) {
let win = this.win_.get();
if (win && win.parent) {
return win;
}
}
return null;
}
});
Object.defineProperty(modal.Dialog.prototype, "ui", {
get() {
let win = this.window;
if (win) {
return win.Dialog.ui;
}
return this.curBrowser.getTabModalUI();
}
});