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MOBILE-2751 format-text: Fix handling youtube videos

main
Dani Palou 2018-11-23 11:42:41 +01:00
parent 4ce2183bf2
commit b86174b303
1 changed files with 47 additions and 10 deletions
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57
src/directives/format-text.ts
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@ -502,16 +502,16 @@ export class CoreFormatTextDirective implements OnChanges {
}
const data = this.textUtils.parseJSON(video.getAttribute('data-setup') || video.getAttribute('data-setup-lazy') || '{}'),
youtubeId = data.techOrder && data.techOrder[0] && data.techOrder[0] == 'youtube' && data.sources && data.sources[0] &&
data.sources[0].src && this.youtubeGetId(data.sources[0].src);
youtubeData = data.techOrder && data.techOrder[0] && data.techOrder[0] == 'youtube' &&
this.parseYoutubeUrl(data.sources && data.sources[0] && data.sources[0].src);
if (!youtubeId) {
if (!youtubeData || !youtubeData.videoId) {
return;
}
const iframe = document.createElement('iframe');
iframe.id = video.id;
iframe.src = 'https://www.youtube.com/embed/' + youtubeId;
iframe.src = 'https://www.youtube.com/embed/' + youtubeData.videoId; // Don't apply other params to align with Moodle web.
iframe.setAttribute('frameborder', '0');
iframe.setAttribute('allowfullscreen', '1');
iframe.width = '100%';
@ -630,15 +630,52 @@ export class CoreFormatTextDirective implements OnChanges {
}
/**
* Convenience function to extract YouTube Id to translate to embedded video.
* Based on http://stackoverflow.com/questions/3452546/javascript-regex-how-to-get-youtube-video-id-from-url
* Parse a YouTube URL.
* Based on Youtube.parseUrl from Moodle media/player/videojs/amd/src/Youtube-lazy.js
*
* @param {string} url URL of the video.
*/
protected youtubeGetId(url: string): string {
const regExp = /^.*(?:(?:youtu.be\/)|(?:v\/)|(?:\/u\/\w\/)|(?:embed\/)|(?:watch\?))\??v?=?([^#\&\?]*).*/,
match = url.match(regExp);
protected parseYoutubeUrl(url: string): {videoId: string, listId?: string, start?: number} {
const result = {
videoId: null,
listId: null,
start: null
};
return (match && match[1].length == 11) ? match[1] : '';
if (!url) {
return result;
}
url = this.textUtils.decodeHTML(url);
// Get the video ID.
let match = url.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);
if (match && match[2].length === 11) {
result.videoId = match[2];
}
// Now get the playlist (if any).
match = url.match(/[?&]list=([^#\&\?]+)/);
if (match && match[1]) {
result.listId = match[1];
}
// Now get the start time (if any).
match = url.match(/[?&]start=(\d+)/);
if (match && match[1]) {
result.start = parseInt(match[1], 10);
} else {
// No start param, but it could have a time param.
match = url.match(/[?&]t=(\d+h)?(\d+m)?(\d+s)?/);
if (match) {
result.start = (match[1] ? parseInt(match[1], 10) * 3600 : 0) + (match[2] ? parseInt(match[2], 10) * 60 : 0) +
(match[3] ? parseInt(match[3], 10) : 0);
}
}
return result;
}
}