From 5466fbf761bfb810a43b11789b03b2ec54c9ab6e Mon Sep 17 00:00:00 2001
From: Roeland Jago Douma <roeland@famdouma.nl>
Date: Sun, 16 Oct 2016 16:48:11 +0200
Subject: Move Ipreview to more of DI thingy

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
---
 lib/private/Preview/Generator.php | 37 +++++++++++++++----------------------
 1 file changed, 15 insertions(+), 22 deletions(-)

(limited to 'lib/private/Preview')

diff --git a/lib/private/Preview/Generator.php b/lib/private/Preview/Generator.php
index 08ab37057aa..ea162926afa 100644
--- a/lib/private/Preview/Generator.php
+++ b/lib/private/Preview/Generator.php
@@ -37,16 +37,9 @@ use OCP\IPreview;
 use OCP\Preview\IProvider;
 
 class Generator {
-	//the thumbnail folder
-	const THUMBNAILS_FOLDER = 'thumbnails';
-
-	const MODE_FILL = 'fill';
-	const MODE_COVER = 'cover';
 
 	/** @var IRootFolder*/
 	private $rootFolder;
-	/** @var File */
-	private $file;
 	/** @var IPreview */
 	private $previewManager;
 	/** @var IConfig */
@@ -58,19 +51,16 @@ class Generator {
 	 * @param IRootFolder $rootFolder
 	 * @param IConfig $config
 	 * @param IPreview $previewManager
-	 * @param File $file
 	 * @param IAppData $appData
 	 */
 	public function __construct(
 		IRootFolder $rootFolder,
 		IConfig $config,
 		IPreview $previewManager,
-		File $file,
 		IAppData $appData
 	) {
 		$this->rootFolder = $rootFolder;
 		$this->config = $config;
-		$this->file = $file;
 		$this->previewManager = $previewManager;
 		$this->appData = $appData;
 	}
@@ -81,6 +71,7 @@ class Generator {
 	 * The cache is searched first and if nothing usable was found then a preview is
 	 * generated by one of the providers
 	 *
+	 * @param File $file
 	 * @param int $width
 	 * @param int $height
 	 * @param bool $crop
@@ -88,8 +79,8 @@ class Generator {
 	 * @return ISimpleFile
 	 * @throws NotFoundException
 	 */
-	public function getPreview($width = -1, $height = -1, $crop = false, $mode = Generator::MODE_FILL) {
-		if (!$this->previewManager->isMimeSupported($this->file->getMimeType())) {
+	public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL) {
+		if (!$this->previewManager->isMimeSupported($file->getMimeType())) {
 			throw new NotFoundException();
 		}
 
@@ -97,10 +88,10 @@ class Generator {
 		 * Get the preview folder
 		 * TODO: Separate preview creation from storing previews
 		 */
-		$previewFolder = $this->getPreviewFolder();
+		$previewFolder = $this->getPreviewFolder($file);
 
 		// Get the max preview and infer the max preview sizes from that
-		$maxPreview = $this->getMaxPreview($previewFolder);
+		$maxPreview = $this->getMaxPreview($previewFolder, $file);
 		list($maxWidth, $maxHeight) = $this->getPreviewSize($maxPreview);
 
 		// Calculate the preview size
@@ -118,10 +109,11 @@ class Generator {
 
 	/**
 	 * @param ISimpleFolder $previewFolder
+	 * @param File $file
 	 * @return ISimpleFile
 	 * @throws NotFoundException
 	 */
-	private function getMaxPreview(ISimpleFolder $previewFolder) {
+	private function getMaxPreview(ISimpleFolder $previewFolder, File $file) {
 		$nodes = $previewFolder->getDirectoryListing();
 
 		foreach ($nodes as $node) {
@@ -132,7 +124,7 @@ class Generator {
 
 		$previewProviders = $this->previewManager->getProviders();
 		foreach ($previewProviders as $supportedMimeType => $providers) {
-			if (!preg_match($supportedMimeType, $this->file->getMimeType())) {
+			if (!preg_match($supportedMimeType, $file->getMimeType())) {
 				continue;
 			}
 
@@ -142,7 +134,7 @@ class Generator {
 					continue;
 				}
 
-				list($view, $path) = $this->getViewAndPath($this->file);
+				list($view, $path) = $this->getViewAndPath($file);
 
 				$maxWidth = (int)$this->config->getSystemValue('preview_max_x', 2048);
 				$maxHeight = (int)$this->config->getSystemValue('preview_max_y', 2048);
@@ -239,13 +231,13 @@ class Generator {
 			 * Fill means that the $height and $width are the max
 			 * Cover means min.
 			 */
-			if ($mode === self::MODE_FILL) {
+			if ($mode === IPreview::MODE_FILL) {
 				if ($ratioH > $ratioW) {
 					$height = $width * $ratio;
 				} else {
 					$width = $height / $ratio;
 				}
-			} else if ($mode === self::MODE_COVER) {
+			} else if ($mode === IPreview::MODE_COVER) {
 				if ($ratioH > $ratioW) {
 					$width = $height / $ratio;
 				} else {
@@ -352,13 +344,14 @@ class Generator {
 	/**
 	 * Get the specific preview folder for this file
 	 *
+	 * @param File $file
 	 * @return ISimpleFolder
 	 */
-	private function getPreviewFolder() {
+	private function getPreviewFolder(File $file) {
 		try {
-			$folder = $this->appData->getFolder($this->file->getId());
+			$folder = $this->appData->getFolder($file->getId());
 		} catch (NotFoundException $e) {
-			$folder = $this->appData->newFolder($this->file->getId());
+			$folder = $this->appData->newFolder($file->getId());
 		}
 
 		return $folder;
-- 
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