mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-04 02:09:05 +02:00
56 lines
2.3 KiB
JavaScript
56 lines
2.3 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/.
|
|
|
|
// Length of time (milliseconds) that one blurb stays up before we switch to
|
|
// displaying the next one.
|
|
var BLURB_CYCLE_MS = 20000;
|
|
|
|
// How frequently we should update the progress bar state, in milliseconds.
|
|
var PROGRESS_BAR_INTERVAL_MS = 250;
|
|
|
|
window.attachEvent("onload", function () {
|
|
// Set direction on the two components of the layout.
|
|
var direction = external.getTextDirection();
|
|
document.getElementById("text_column").style.direction = direction;
|
|
document.getElementById("installing").style.direction = direction;
|
|
|
|
// Get this page's static strings.
|
|
var label = document.getElementById("label");
|
|
label.innerText = external.getUIString("installing_label");
|
|
document.getElementById("header").innerText =
|
|
external.getUIString("installing_header");
|
|
document.getElementById("content").innerText =
|
|
external.getUIString("installing_content");
|
|
|
|
// Poll and update the progress bar percentage.
|
|
setInterval(function () {
|
|
var percent = external.getProgressBarPercent();
|
|
var progressBar = document.getElementById("progress_bar");
|
|
progressBar.setAttribute("aria-valuenow", percent);
|
|
progressBar.style.width = percent + "%";
|
|
}, PROGRESS_BAR_INTERVAL_MS);
|
|
|
|
// Get the blurb strings and initialize the blurb rotation.
|
|
var currentBlurb = 0;
|
|
// IE8 adds undefined to the array if there is a trailing comma in an
|
|
// array literal, so don't allow prettier to add one here.
|
|
// prettier-ignore
|
|
var blurbStrings = [
|
|
external.getUIString("installing_blurb_0"),
|
|
external.getUIString("installing_blurb_1"),
|
|
external.getUIString("installing_blurb_2")
|
|
];
|
|
function rotateBlurb() {
|
|
document.getElementById("blurb").innerText = blurbStrings[currentBlurb];
|
|
currentBlurb = (currentBlurb + 1) % blurbStrings.length;
|
|
}
|
|
rotateBlurb();
|
|
setInterval(rotateBlurb, BLURB_CYCLE_MS);
|
|
|
|
// Focus the label, in order to get the focus in the web page, to
|
|
// assist screen readers. On Win 7's IE8 this causes the focus rectangle
|
|
// to be immediately visible, so also hide that here.
|
|
label.className += " no-focus-outline";
|
|
label.focus();
|
|
});
|