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December 22, 2023 11:18
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Responsive AzuraCast Embed Widget iframes
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>Iframe widget resizing test</title> | |
| </head> | |
| <body> | |
| <h1>Iframe widget resizing test</h1> | |
| <!-- Show what’s happening --> | |
| <p>Window width: <span id="ww"></span>, height: <span id="wh"></span></p> | |
| <p>Iframe width: <span id="iw"></span>, height: <span id="ih"></span></p> | |
| <!-- Put embed widget code from station here, remove its "min-height" styling --> | |
| <!-- Use id="widget" to simplify test --> | |
| <!-- We use the "Request" widget as an example: switch it between 10/25 items/page --> | |
| <iframe id="widget" src="https://demo.azuracast.com/public/azuratest_radio/embed-requests?theme=light" frameborder="0" allowtransparency="true" style="width: 100%; border: 0;"></iframe> | |
| <hr/> | |
| <p>Some page footer here.</p> | |
| <script> | |
| // wrap in an IIFE so not to pollute namespaces | |
| (function () { | |
| let iframe = document.querySelector("#widget"); | |
| let ww = document.querySelector("#ww"); | |
| let wh = document.querySelector("#wh"); | |
| let iw = document.querySelector("#iw"); | |
| let ih = document.querySelector("#ih"); | |
| // initial display | |
| ww.textContent = window.innerWidth; | |
| wh.textContent = window.innerHeight; | |
| iw.textContent = iframe.clientWidth; | |
| ih.textContent = iframe.clientHeight; | |
| // AzuraCast widgets give us a postMessage containing their actual height and width | |
| // starting at Rolling Release #8b15a55 (2023-12-21 23:00) | |
| window.addEventListener('message', function(e) { | |
| // message passed from iframe page has .height and .width | |
| let message = e.data; | |
| // only adjust height here, we have set "width: 100%;" on iframe | |
| iframe.style.height = message.height + 'px'; | |
| //iframe.style.width = message.width + 'px'; | |
| // show it | |
| ih.textContent = iframe.clientHeight; | |
| }); | |
| // handle window resize | |
| window.addEventListener("resize", function(e) { | |
| console.log("Resize: width", window.innerWidth, "height", window.innerHeight); | |
| ww.textContent = window.innerWidth; | |
| wh.textContent = window.innerHeight; | |
| iw.textContent = iframe.clientWidth; | |
| ih.textContent = iframe.clientHeight; | |
| }); | |
| // end wrapper | |
| })(); | |
| </script> | |
| </body> | |
| </html> |
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| <script> | |
| // AzuraCast widgets give us a postMessage containing their actual height and width | |
| // starting at Rolling Release #8b15a55 (2023-12-21 23:00) | |
| // wrap in an IIFE so not to pollute namespaces | |
| (function () { | |
| let iframe = document.querySelector("#widget"); | |
| window.addEventListener('message', function(e) { | |
| // message passed from iframe page has .height and .width | |
| let message = e.data; | |
| // only adjust height here, we have set "width: 100%;" on iframe | |
| iframe.style.height = message.height + 'px'; | |
| //iframe.style.width = message.width + 'px'; | |
| }); | |
| })(); | |
| </script> |
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Responsive AzuraCast Embed Widget iframes
AzuraCast has implemented a
postMessagein the iframe embed widgets starting from Rolling Release #8b15a55 (2023-12-21 23:00).This allows using the station embed widgets (Player, Song History, Schedule, Song Request, On Demand) to be used in your website, responsive, seamlessly, and without extra scrollbars! It can even resize the iframes when listeners rotate their smartphone or tablet, so you get a real neat user experience.
Example that shows sizing
Use above
iframe-resizer.htmlas an example to show how it works. Just put it somewhere in your web space and try it out. A good widget for testing is the "Song Request" iframe, since the listener can switch that to display 10 or 25 items/page.Actual Javascript to use in your page
The file
iframe-resizer.jscontains the minimum needed to include on a page that uses AzuraCast iframe embeds. I recommend setting thewidthto 100% in the iframe (it will be as wide as the container element you use it in), and only let the script modify the iframe’sheight, as shown above.This will give you a seamless integration of the iframe into your web page, avoiding any extra scrollbars.
You can simply copy the iframe embedding code from your station’s embed widgets page, remove its
min-heightstyling, and add anid, sayid="widget"as shown above.So, as an example, to embed the "Song Request" page into your website, you’d copy the embed code from your station:
remove the
min-height: 850px;and add theid="widget"so it becomesand then add the above
iframe-resizer.jsnear the end of your web pagebody.Done! Enjoy a beautiful integration!
Thanks to @BusterNeece of AzuraCast for his time and efforts in making this work!