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Add code to resume blocked AudioContexts

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This commit is contained in:
Ray 2019-05-22 12:33:28 +02:00
parent a33b0002ee
commit 7421ac9e24
1 changed files with 48 additions and 5 deletions
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53
src/shell.html
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@ -85,7 +85,8 @@ jwE50AGjLCVuS8Yt4H7OgZLKK5EKOsLviEWJSL/+0uMi7gLUSBseYwqEbXvSHCec1CJvZPyHCmYQffaB
margin: 0;
margin-top: 20px;
margin-left: 20px;
display: inline-block; vertical-align: top;
display: inline-block;
vertical-align: top;
-webkit-animation: rotation .8s linear infinite;
-moz-animation: rotation .8s linear infinite;
-o-animation: rotation .8s linear infinite;
@ -253,8 +254,7 @@ jwE50AGjLCVuS8Yt4H7OgZLKK5EKOsLviEWJSL/+0uMi7gLUSBseYwqEbXvSHCec1CJvZPyHCmYQffaB
progressElement.value = null;
progressElement.max = null;
progressElement.hidden = true;
if (!text) spinnerElement.hidden = true;
if (!text) spinnerElement.style.display = 'none';
}
statusElement.innerHTML = text;
@ -263,7 +263,8 @@ jwE50AGjLCVuS8Yt4H7OgZLKK5EKOsLviEWJSL/+0uMi7gLUSBseYwqEbXvSHCec1CJvZPyHCmYQffaB
monitorRunDependencies: function(left) {
this.totalDependencies = Math.max(this.totalDependencies, left);
Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
}
},
//noInitialRun: true
};
Module.setStatus('Downloading...');
@ -274,6 +275,48 @@ jwE50AGjLCVuS8Yt4H7OgZLKK5EKOsLviEWJSL/+0uMi7gLUSBseYwqEbXvSHCec1CJvZPyHCmYQffaB
Module.setStatus = function(text) { if (text) Module.printErr('[post-exception status] ' + text); };
};
</script>
<!-- NOTE: This code snippet displays a button that resumes blocked AudioContexts by
the autoplay policy. For more detail on the autoplay change in Chrome, check:
https://developers.google.com/web/updates/2017/09/autoplay-policy-changes#webaudio. -->
<script type='text/javascript'>
/*
* Copyright 2018 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function() {
const list = [];
self.AudioContext = new Proxy(self.AudioContext, {
construct(target, args) {
const result = new target(...args);
list.push(result);
return result;
}
});
const btn = document.createElement('button');
btn.classList.add('unmute');
btn.style.position = 'fixed';
btn.style.bottom = '0';
btn.style.right = '0';
btn.textContent = '🔇 Unmute';
btn.style.fontSize = '5em';
btn.onclick = e => {
list.forEach(ctx => ctx.resume());
btn.remove();
};
document.addEventListener('DOMContentLoaded', _ => { document.body.appendChild(btn); });
})();
</script>
{{{ SCRIPT }}}
</body>
</html>
</html>