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Custom chromecast receiver to display webpages without tab casting
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DeMille update sender demo
requestSession has to be a button (I think) in order to trigger the
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see: https://code.google.com/p/google-cast-sdk/issues/detail?id=922
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README.md

URL Cast Receiver

Custom chromecast receiver to display webpages without tab casting

Try it with the sender demo.

Usage

You can use a hosted version now (use 5CB45E5A for your appId), or you can clone / customize this repo and host your own.

URLs are sent to the receiver by sending messages on the urn:x-cast:com.url.cast namespace.

There are two ways to cast a URL to the reciever, each with pros and cons:

Method 1: Loading the URL in an iframe

  • Pros: Reciever stays intact after loading page
  • Cons: X-Frame-Options: SAMEORIGIN errors
// iframe method
var namespace = 'urn:x-cast:com.url.cast';
var msg = {
    "type": "iframe",
    "url": "http://example.com"
}

session.sendMessage(namespace, msg, onSuccess, onErr);
// reciever is still alive

Method 2: Changing the window location on the chromecast

  • Pros: Can load any URL, no iframe origin issues
  • Cons: Reciever gets overridden with page load, so you can no longer communicate with it without stopping the cast and restarting.
// iframe method
var namespace = 'urn:x-cast:com.url.cast';
var msg = {
    "type": "loc",
    "url": "http://example.com"
}

session.sendMessage(namespace, msg, onSuccess, onErr);
// receiver is now basically dead to you

Notes

  • The chromecast renders webpages at a viewport size of 1280x720 instead of 1080x1920 like you might expect, so be prepared for that.

  • The default background color on the chromecast is black, so pages loaded with method 2 (the window location) might have a surprise black background. If you use the iframe method, the receiver sets the body to white.

License

The MIT License (MIT)

Copyright (c) 2015 Sterling DeMille <sterlingdemille@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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