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phab/src/applications/files/markup/PhabricatorEmbedFileRemarkupRule.php
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PhabricatorEmbedFileRemarkupRule.php
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<?php
final class PhabricatorEmbedFileRemarkupRule
extends PhabricatorObjectRemarkupRule {
const KEY_EMBED_FILE_PHIDS = 'phabricator.embedded-file-phids';
protected function getObjectNamePrefix() {
return 'F';
}
protected function loadObjects(array $ids) {
$engine = $this->getEngine();
$viewer = $engine->getConfig('viewer');
$objects = id(new PhabricatorFileQuery())
->setViewer($viewer)
->withIDs($ids)
->needTransforms(
array(
PhabricatorFileThumbnailTransform::TRANSFORM_PREVIEW,
))
->execute();
$phids_key = self::KEY_EMBED_FILE_PHIDS;
$phids = $engine->getTextMetadata($phids_key, array());
foreach (mpull($objects, 'getPHID') as $phid) {
$phids[] = $phid;
}
$engine->setTextMetadata($phids_key, $phids);
return $objects;
}
protected function renderObjectEmbed(
$object,
PhabricatorObjectHandle $handle,
$options) {
$options = $this->getFileOptions($options) + array(
'name' => $object->getName(),
);
$is_viewable_image = $object->isViewableImage();
$is_audio = $object->isAudio();
$is_video = $object->isVideo();
$force_link = ($options['layout'] == 'link');
// If a file is both audio and video, as with "application/ogg" by default,
// render it as video but allow the user to specify `media=audio` if they
// want to force it to render as audio.
if ($is_audio && $is_video) {
$media = $options['media'];
if ($media == 'audio') {
$is_video = false;
} else {
$is_audio = false;
}
}
$options['viewable'] = ($is_viewable_image || $is_audio || $is_video);
if ($is_viewable_image && !$force_link) {
return $this->renderImageFile($object, $handle, $options);
} else if ($is_video && !$force_link) {
return $this->renderVideoFile($object, $handle, $options);
} else if ($is_audio && !$force_link) {
return $this->renderAudioFile($object, $handle, $options);
} else {
return $this->renderFileLink($object, $handle, $options);
}
}
private function getFileOptions($option_string) {
$options = array(
'size' => null,
'layout' => 'left',
'float' => false,
'width' => null,
'height' => null,
'alt' => null,
'media' => null,
'autoplay' => null,
'loop' => null,
);
if ($option_string) {
$option_string = trim($option_string, ', ');
$parser = new PhutilSimpleOptions();
$options = $parser->parse($option_string) + $options;
}
return $options;
}
private function renderImageFile(
PhabricatorFile $file,
PhabricatorObjectHandle $handle,
array $options) {
require_celerity_resource('phui-lightbox-css');
$attrs = array();
$image_class = 'phabricator-remarkup-embed-image';
$use_size = true;
if (!$options['size']) {
$width = $this->parseDimension($options['width']);
$height = $this->parseDimension($options['height']);
if ($width || $height) {
$use_size = false;
$attrs += array(
'src' => $file->getBestURI(),
'width' => $width,
'height' => $height,
);
}
}
if ($use_size) {
switch ((string)$options['size']) {
case 'full':
$attrs += array(
'src' => $file->getBestURI(),
'height' => $file->getImageHeight(),
'width' => $file->getImageWidth(),
);
$image_class = 'phabricator-remarkup-embed-image-full';
break;
// Displays "full" in normal Remarkup, "wide" in Documents
case 'wide':
$attrs += array(
'src' => $file->getBestURI(),
'width' => $file->getImageWidth(),
);
$image_class = 'phabricator-remarkup-embed-image-wide';
break;
case 'thumb':
default:
$preview_key = PhabricatorFileThumbnailTransform::TRANSFORM_PREVIEW;
$xform = PhabricatorFileTransform::getTransformByKey($preview_key);
$existing_xform = $file->getTransform($preview_key);
if ($existing_xform) {
$xform_uri = $existing_xform->getCDNURI();
} else {
$xform_uri = $file->getURIForTransform($xform);
}
$attrs['src'] = $xform_uri;
$dimensions = $xform->getTransformedDimensions($file);
if ($dimensions) {
list($x, $y) = $dimensions;
$attrs['width'] = $x;
$attrs['height'] = $y;
}
break;
}
}
if (isset($options['alt'])) {
$attrs['alt'] = $options['alt'];
}
$img = phutil_tag('img', $attrs);
$embed = javelin_tag(
'a',
array(
'href' => $file->getBestURI(),
'class' => $image_class,
'sigil' => 'lightboxable',
'meta' => array(
'phid' => $file->getPHID(),
'uri' => $file->getBestURI(),
'dUri' => $file->getDownloadURI(),
'viewable' => true,
'monogram' => $file->getMonogram(),
),
),
$img);
switch ($options['layout']) {
case 'right':
case 'center':
case 'inline':
case 'left':
$layout_class = 'phabricator-remarkup-embed-layout-'.$options['layout'];
break;
default:
$layout_class = 'phabricator-remarkup-embed-layout-left';
break;
}
if ($options['float']) {
switch ($options['layout']) {
case 'center':
case 'inline':
break;
case 'right':
$layout_class .= ' phabricator-remarkup-embed-float-right';
break;
case 'left':
default:
$layout_class .= ' phabricator-remarkup-embed-float-left';
break;
}
}
return phutil_tag(
($options['layout'] == 'inline' ? 'span' : 'div'),
array(
'class' => $layout_class,
),
$embed);
}
private function renderAudioFile(
PhabricatorFile $file,
PhabricatorObjectHandle $handle,
array $options) {
return $this->renderMediaFile('audio', $file, $handle, $options);
}
private function renderVideoFile(
PhabricatorFile $file,
PhabricatorObjectHandle $handle,
array $options) {
return $this->renderMediaFile('video', $file, $handle, $options);
}
private function renderMediaFile(
$tag,
PhabricatorFile $file,
PhabricatorObjectHandle $handle,
array $options) {
$is_video = ($tag == 'video');
if (idx($options, 'autoplay')) {
$preload = 'auto';
$autoplay = 'autoplay';
} else {
// If we don't preload video, the user can't see the first frame and
// has no clue what they're looking at, so always preload.
if ($is_video) {
$preload = 'auto';
} else {
$preload = 'none';
}
$autoplay = null;
}
// Rendering contexts like feed can disable autoplay.
$engine = $this->getEngine();
if ($engine->getConfig('autoplay.disable')) {
$autoplay = null;
}
return $this->newTag(
$tag,
array(
'controls' => 'controls',
'preload' => $preload,
'autoplay' => $autoplay,
'loop' => idx($options, 'loop') ? 'loop' : null,
'alt' => $options['alt'],
'class' => 'phabricator-media',
),
$this->newTag(
'source',
array(
'src' => $file->getBestURI(),
'type' => $file->getMimeType(),
)));
}
private function renderFileLink(
PhabricatorFile $file,
PhabricatorObjectHandle $handle,
array $options) {
return id(new PhabricatorFileLinkView())
->setFilePHID($file->getPHID())
->setFileName($this->assertFlatText($options['name']))
->setFileDownloadURI($file->getDownloadURI())
->setFileViewURI($file->getBestURI())
->setFileViewable((bool)$options['viewable'])
->setFileSize(phutil_format_bytes($file->getByteSize()))
->setFileMonogram($file->getMonogram());
}
private function parseDimension($string) {
$string = trim($string);
if (preg_match('/^(?:\d*\\.)?\d+%?$/', $string)) {
return $string;
}
return null;
}
}
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