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Fix IE CORS captions

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This commit is contained in:
Sam Potts
2018-02-19 09:52:46 +11:00
parent f1895a4cce
commit 24b4220de5
10 changed files with 1820 additions and 1015 deletions
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35
src/js/captions.js
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@ -1,5 +1,6 @@
// ==========================================================================
// Plyr Captions
// TODO: Create as class
// ==========================================================================
import support from './support';
@ -45,7 +46,6 @@ const captions = {
return;
}
// Inject the container
if (!utils.is.element(this.elements.captions)) {
this.elements.captions = utils.createElement('div', utils.getAttributesFromSelector(this.config.selectors.captions));
@ -56,11 +56,42 @@ const captions = {
// Set the class hook
utils.toggleClass(this.elements.container, this.config.classNames.captions.enabled, !utils.is.empty(captions.getTracks.call(this)));
// Get tracks
const tracks = captions.getTracks.call(this);
// If no caption file exists, hide container for caption text
if (utils.is.empty(captions.getTracks.call(this))) {
if (utils.is.empty(tracks)) {
return;
}
// Get browser info
const browser = utils.getBrowser();
// Fix IE captions if CORS is used
// Fetch captions and inject as blobs instead (data URIs not supported!)
if (browser.isIE && window.URL) {
const elements = this.media.querySelectorAll('track');
Array.from(elements).forEach(track => {
const src = track.getAttribute('src');
const href = utils.parseUrl(src);
if (href.hostname !== window.location.href.hostname && [
'http:',
'https:',
].includes(href.protocol)) {
utils
.fetch(src, 'blob')
.then(blob => {
track.setAttribute('src', window.URL.createObjectURL(blob));
})
.catch(() => {
utils.removeElement(track);
});
}
});
}
// Set language
captions.setLanguage.call(this);