PhabricatorImageDocumentEngine.php
2ef10fbe5762production

PhabricatorImageDocumentEngine.php
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			<?php

			final class PhabricatorImageDocumentEngine
			extends PhabricatorDocumentEngine {

			const ENGINEKEY = 'image';

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

			protected function getDocumentIconIcon(PhabricatorDocumentRef $ref) {
			return 'fa-file-image-o';
			}

			protected function getByteLengthLimit() {
			return (1024 * 1024 * 64);
			}

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

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

			$image_types = PhabricatorEnv::getEnvConfig('files.image-mime-types');
			$image_types = array_keys($image_types);

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

			protected function newDocumentContent(PhabricatorDocumentRef $ref) {
			$file = $ref->getFile();
			if ($file) {
			$source_uri = $file->getViewURI();
			} else {
			// We could use a "data:" URI here. It's not yet clear if or when we'll
			// have a ref but no backing file.
			throw new PhutilMethodNotImplementedException();
			}

			$image = phutil_tag(
			'img',
			array(
			'src' => $source_uri,
			));

			$linked_image = phutil_tag(
			'a',
			array(
			'href' => $source_uri,
			'rel' => 'noreferrer',
			),
			$image);

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

			return $container;
			}

			}