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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Chromecast init</title> | |
| <script src="https://www.gstatic.com/cv/js/sender/v1/cast_sender.js"></script> | |
| </head> | |
| <body> | |
| <div id="message"></div> | |
| <script type="text/javascript"> | |
| (function (window) { | |
| function showMessage(html) { | |
| window.document.getElementById("message").innerHTML = html; | |
| } | |
| if (!window.chrome) { | |
| // Not running in Chrome... inform users about it (or hide Chromecast functionality for non-Chrome users) | |
| showMessage("Only works in <a href=\"https://www.google.com/chrome\">Chrome</a>."); | |
| return; | |
| } | |
| if (!window.chrome.cast) { | |
| // shouldn't happen since we load cast_sender.js synchronously | |
| showMessage("Cast API not found, this shouldn't happen..."); | |
| return; | |
| } | |
| /* | |
| * Check for Chromecast extension. | |
| * Unfortunately no nice way to know whether the Extension is missing in the API so far | |
| * Open feature request: https://code.google.com/p/google-cast-sdk/issues/detail?id=124 | |
| */ | |
| if (window.chrome.cast.extensionId) { | |
| waitForApi(); | |
| } else { | |
| // Internal API call so might break, but best way for now without relying on a maximum timeout... | |
| window.chrome.cast.ApiBootstrap_.findInstalledExtension_(function (extensionId) { | |
| if (!extensionId) { | |
| // Extension not installed, prompt user to install it | |
| showMessage("Please install the <a href=\"https://chrome.google.com/webstore/detail/google-cast/boadgeojelhgndaghljhdicfkmllpafd\">Google Cast extension</a>."); | |
| } else { | |
| waitForApi(); | |
| } | |
| }); | |
| } | |
| function waitForApi() { | |
| showMessage("Waiting for API to become ready..."); | |
| if (!window.chrome.cast.isAvailable) { | |
| window.setTimeout(waitForApi, 100); | |
| } else { | |
| initializeCastApi(); | |
| } | |
| } | |
| function initializeCastApi() { | |
| // we can start using the Cast API now | |
| showMessage("Everything ready!"); | |
| } | |
| }(this)); | |
| </script> | |
| </body> | |
| </html> |
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