PhabricatorVideoDocumentEngine.php
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	<?php

	final class PhabricatorVideoDocumentEngine
	extends PhabricatorDocumentEngine {

	const ENGINEKEY = 'video';

	public function getViewAsLabel(PhabricatorDocumentRef $ref) {
	return pht('View as Video');
	}

	protected function getContentScore(PhabricatorDocumentRef $ref) {
	// Some video documents can be rendered as either video or audio, but we
	// want to prefer video.
	return 2500;
	}

	protected function getByteLengthLimit() {
	return null;
	}

	protected function getDocumentIconIcon(PhabricatorDocumentRef $ref) {
	return 'fa-film';
	}

	protected function canRenderDocumentType(PhabricatorDocumentRef $ref) {
	$file = $ref->getFile();
	if ($file) {
	return $file->isVideo();
	}

	$viewable_types = PhabricatorEnv::getEnvConfig('files.viewable-mime-types');
	$viewable_types = array_keys($viewable_types);

	$video_types = PhabricatorEnv::getEnvConfig('files.video-mime-types');
	$video_types = array_keys($video_types);

	return
	$ref->hasAnyMimeType($viewable_types) &&
	$ref->hasAnyMimeType($video_types);
	}

	protected function newDocumentContent(PhabricatorDocumentRef $ref) {
	$file = $ref->getFile();
	if ($file) {
	$source_uri = $file->getViewURI();
	} else {
	throw new PhutilMethodNotImplementedException();
	}

	$mime_type = $ref->getMimeType();

	$video = phutil_tag(
	'video',
	array(
	'controls' => 'controls',
	),
	phutil_tag(
	'source',
	array(
	'src' => $source_uri,
	'type' => $mime_type,
	)));

	$container = phutil_tag(
	'div',
	array(
	'class' => 'document-engine-video',
	),
	$video);

	return $container;
	}

	}