From 951d6d3ce3d2f4596984e37ab1d0a7ee4b512408 Mon Sep 17 00:00:00 2001
From: Elian Doran <contact@eliandoran.me>
Date: Fri, 2 Jan 2026 20:02:13 +0200
Subject: [PATCH] feat(revisions): display PDF preview for revisions

---
 apps/client/src/widgets/dialogs/revisions.css | 3 ++-
 apps/client/src/widgets/dialogs/revisions.tsx | 8 ++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/apps/client/src/widgets/dialogs/revisions.css b/apps/client/src/widgets/dialogs/revisions.css
index ba172bd87..7d02c9cdb 100644
--- a/apps/client/src/widgets/dialogs/revisions.css
+++ b/apps/client/src/widgets/dialogs/revisions.css
@@ -75,6 +75,7 @@ body.mobile .revisions-dialog {
         display: flex;
         min-width: 0;
         min-height: 0;
+        flex-grow: 1;
 
         .file-preview-table {
             th,
@@ -97,7 +98,7 @@ body.mobile .revisions-dialog {
             display: flex;
             flex-direction: column;
 
-            video {
+            > * {
                 height: 100%;
             }
         }
diff --git a/apps/client/src/widgets/dialogs/revisions.tsx b/apps/client/src/widgets/dialogs/revisions.tsx
index 06a1e0b9d..adddc7946 100644
--- a/apps/client/src/widgets/dialogs/revisions.tsx
+++ b/apps/client/src/widgets/dialogs/revisions.tsx
@@ -408,6 +408,14 @@ function FilePreviewInner({ revisionItem, fullRevision }: { revisionItem: Revisi
         );
     }
 
+    if (revisionItem.mime === "application/pdf") {
+        return (
+            <iframe
+                src={`pdfjs/web/viewer.html?file=../../api/revisions/${revisionItem.revisionId}/download&lang=${options.get("locale")}`}
+            />
+        );
+    }
+
     if (fullRevision.content) {
         return <pre className="file-preview-content" style={CODE_STYLE}>{fullRevision.content}</pre>;
     }