PhabricatorInlineCommentPreviewController.php
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	<?php

	abstract class PhabricatorInlineCommentPreviewController
	extends PhabricatorController {

	abstract protected function loadInlineComments();
	abstract protected function loadObjectOwnerPHID();

	public function processRequest() {
	$request = $this->getRequest();
	$viewer = $request->getUser();

	$inlines = $this->loadInlineComments();
	assert_instances_of($inlines, 'PhabricatorInlineCommentInterface');

	$engine = new PhabricatorMarkupEngine();
	$engine->setViewer($viewer);
	foreach ($inlines as $inline) {
	$engine->addObject(
	$inline,
	PhabricatorInlineCommentInterface::MARKUP_FIELD_BODY);
	}
	$engine->process();

	$phids = array($viewer->getPHID());
	$handles = $this->loadViewerHandles($phids);
	$object_owner_phid = $this->loadObjectOwnerPHID();

	$views = array();
	foreach ($inlines as $inline) {
	$view = id(new PHUIDiffInlineCommentDetailView())
	->setUser($viewer)
	->setInlineComment($inline)
	->setMarkupEngine($engine)
	->setHandles($handles)
	->setEditable(false)
	->setPreview(true)
	->setCanMarkDone(false)
	->setObjectOwnerPHID($object_owner_phid);
	$views[] = $view->render();
	}
	$views = phutil_implode_html("\n", $views);

	return id(new AphrontAjaxResponse())
	->setContent($views);
	}
	}