1 files changed, 19 insertions, 26 deletions

diff --git a/lib/private/PreviewManager.php b/lib/private/PreviewManager.php
index bc77dcfe483..0bb0280406c 100644
--- a/lib/private/PreviewManager.php
+++ b/lib/private/PreviewManager.php
@@ -145,29 +145,20 @@ class PreviewManager implements IPreview {
 		return $this->generator;
 	}
 
-	/**
-	 * Returns a preview of a file
-	 *
-	 * 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
-	 * @param string $mode
-	 * @param string $mimeType
-	 * @return ISimpleFile
-	 * @throws NotFoundException
-	 * @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
-	 * @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
-	 */
-	public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
-		$this->throwIfPreviewsDisabled();
+	public function getPreview(
+		File $file,
+		$width = -1,
+		$height = -1,
+		$crop = false,
+		$mode = IPreview::MODE_FILL,
+		$mimeType = null,
+		bool $cacheResult = true,
+	): ISimpleFile {
+		$this->throwIfPreviewsDisabled($file, $mimeType);
 		$previewConcurrency = $this->getGenerator()->getNumConcurrentPreviews('preview_concurrency_all');
 		$sem = Generator::guardWithSemaphore(Generator::SEMAPHORE_ID_ALL, $previewConcurrency);
 		try {
-			$preview = $this->getGenerator()->getPreview($file, $width, $height, $crop, $mode, $mimeType);
+			$preview = $this->getGenerator()->getPreview($file, $width, $height, $crop, $mode, $mimeType, $cacheResult);
 		} finally {
 			Generator::unguardWithSemaphore($sem);
 		}
@@ -187,7 +178,7 @@ class PreviewManager implements IPreview {
 	 * @since 19.0.0
 	 */
 	public function generatePreviews(File $file, array $specifications, $mimeType = null) {
-		$this->throwIfPreviewsDisabled();
+		$this->throwIfPreviewsDisabled($file, $mimeType);
 		return $this->getGenerator()->generatePreviews($file, $specifications, $mimeType);
 	}
 
@@ -222,13 +213,15 @@ class PreviewManager implements IPreview {
 	/**
 	 * Check if a preview can be generated for a file
 	 */
-	public function isAvailable(\OCP\Files\FileInfo $file): bool {
+	public function isAvailable(\OCP\Files\FileInfo $file, ?string $mimeType = null): bool {
 		if (!$this->enablePreviews) {
 			return false;
 		}
 
+		$fileMimeType = $mimeType ?? $file->getMimeType();
+
 		$this->registerCoreProviders();
-		if (!$this->isMimeSupported($file->getMimetype())) {
+		if (!$this->isMimeSupported($fileMimeType)) {
 			return false;
 		}
 
@@ -238,7 +231,7 @@ class PreviewManager implements IPreview {
 		}
 
 		foreach ($this->providers as $supportedMimeType => $providers) {
-			if (preg_match($supportedMimeType, $file->getMimetype())) {
+			if (preg_match($supportedMimeType, $fileMimeType)) {
 				foreach ($providers as $providerClosure) {
 					$provider = $this->helper->getProvider($providerClosure);
 					if (!($provider instanceof IProviderV2)) {
@@ -464,8 +457,8 @@ class PreviewManager implements IPreview {
 	/**
 	 * @throws NotFoundException if preview generation is disabled
 	 */
-	private function throwIfPreviewsDisabled(): void {
-		if (!$this->enablePreviews) {
+	private function throwIfPreviewsDisabled(File $file, ?string $mimeType = null): void {
+		if (!$this->isAvailable($file, $mimeType)) {
 			throw new NotFoundException('Previews disabled');
 		}
 	}