From 8193e1d7c15485663eeaaa1af1480f1f19004c32 Mon Sep 17 00:00:00 2001
From: Olivier Paroz <github@oparoz.com>
Date: Thu, 18 Jun 2015 13:24:15 +0200
Subject: Move media type icon preview creation to its own method

---
 lib/private/preview.php | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

(limited to 'lib/private/preview.php')

diff --git a/lib/private/preview.php b/lib/private/preview.php
index d8a9a3e1b78..3a341500e67 100644
--- a/lib/private/preview.php
+++ b/lib/private/preview.php
@@ -703,10 +703,7 @@ class Preview {
 
 		// We still don't have a preview, so we send back the mime icon
 		if (is_null($this->preview)) {
-			$this->preview = new \OC_Image();
-			$mimeIconWebPath = \OC_Helper::mimetypeIcon($this->mimeType);
-			$mimeIconServerPath =  str_replace(\OC::$WEBROOT, \OC::$SERVERROOT, $mimeIconWebPath);
-			$this->preview->loadFromFile($mimeIconServerPath);
+			$this->getMimeIcon();
 		}
 
 		return $this->preview;
@@ -1094,6 +1091,30 @@ class Preview {
 		}
 	}
 
+	/**
+	 * Creates a mime icon preview of the asked dimensions
+	 *
+	 * This will paste the mime icon in the middle of an empty preview of the asked dimension
+	 */
+	private function getMimeIcon() {
+		$image = new \OC_Image();
+		$mimeIconWebPath = \OC_Helper::mimetypeIcon($this->mimeType);
+		if (empty(\OC::$WEBROOT)) {
+			$mimeIconServerPath = \OC::$SERVERROOT . $mimeIconWebPath;
+		} else {
+			$mimeIconServerPath = str_replace(\OC::$WEBROOT, \OC::$SERVERROOT, $mimeIconWebPath);
+		}
+		$image->loadFromFile($mimeIconServerPath);
+
+		$previewWidth = (int)$image->width();
+		$previewHeight = (int)$image->height();
+		$askedWidth = $this->getMaxX();
+		$askedHeight = $this->getMaxY();
+		$this->cropAndFill(
+			$image, $askedWidth, $askedHeight, $previewWidth, $previewHeight
+		);
+	}
+
 	/**
 	 * Stores the max preview in the cache
 	 *
-- 
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