How to implement a notification popup with sound in chrome extension

How to implement a notification popup with sound in chrome extension.

Just like the Checker Plus for Gmail

Solution

You can use following code as a reference for playing sound in desktop notifications, it uses <audio> tag in conjunction with Desktop Notifications.

Demonstration

manifest.json

Registered notification permissions and background page with manifest file.

{
    "name": "Notification with Audio",
    "description": "http://stackoverflow.com/questions/14917531/how-to-implement-a-notification-popup-with-sound-in-chrome-extension",
    "manifest_version": 2,
    "version": "1",
    "permissions": [
        "notifications"
    ],
    "background": {
        "scripts": [
            "background.js"
        ]
    }
}

background.js

Created a notification page from background application.

// create a HTML notification:
var notification = webkitNotifications.createHTMLNotification(
    'notification.html' // html url - can be relative
);

// Then show the notification.
notification.show();

notification.html

Playing some random songs

<html>
    <body>
        <p>Some Nice Text While Playing Song.. </p>
        <audio autoplay>
        <source src="http://www.html5rocks.com/en/tutorials/audio/quick/test.mp3" type="audio/mpeg" />
        <source src="http://www.html5rocks.com/en/tutorials/audio/quick/test.ogg" type="audio/ogg" />
        </audio>
    </body>
</html>

References

Notifications