From 35f0bc5af65ec542b7754f2f0def5062f2411d27 Mon Sep 17 00:00:00 2001
From: Abdo <abdo@abdnh.net>
Date: Mon, 26 May 2025 02:50:31 +0300
Subject: [PATCH] Reimplement editor_will_munge_html callbacks

---
 qt/aqt/editor.py                   | 20 --------------------
 qt/aqt/mediasrv.py                 |  1 +
 ts/routes/editor/NoteEditor.svelte | 27 +++++++++++++++++++--------
 3 files changed, 20 insertions(+), 28 deletions(-)

diff --git a/qt/aqt/editor.py b/qt/aqt/editor.py
index 595059b57..568de8ec6 100644
--- a/qt/aqt/editor.py
+++ b/qt/aqt/editor.py
@@ -499,9 +499,6 @@ require("anki/ui").loaded.then(() => require("anki/NoteEditor").instances[0].too
         else:
             print("uncaught cmd", cmd)
 
-    def mungeHTML(self, txt: str) -> str:
-        return gui_hooks.editor_will_munge_html(txt, self)
-
     def signal_state_change(
         self, new_state: EditorState, old_state: EditorState
     ) -> None:
@@ -1648,24 +1645,7 @@ def fontMungeHack(font: str) -> str:
     return re.sub(" L$", " Light", font)
 
 
-def munge_html(txt: str, editor: Editor) -> str:
-    return "" if txt in ("<br>", "<div><br></div>") else txt
-
-
-def remove_null_bytes(txt: str, editor: Editor) -> str:
-    # misbehaving apps may include a null byte in the text
-    return txt.replace("\x00", "")
-
-
-def reverse_url_quoting(txt: str, editor: Editor) -> str:
-    # reverse the url quoting we added to get images to display
-    return editor.mw.col.media.escape_media_filenames(txt, unescape=True)
-
-
 gui_hooks.editor_will_use_font_for_field.append(fontMungeHack)
-gui_hooks.editor_will_munge_html.append(munge_html)
-gui_hooks.editor_will_munge_html.append(remove_null_bytes)
-gui_hooks.editor_will_munge_html.append(reverse_url_quoting)
 
 
 def set_cloze_button(editor: Editor) -> None:
diff --git a/qt/aqt/mediasrv.py b/qt/aqt/mediasrv.py
index c08dd0abd..a9a6ccbb3 100644
--- a/qt/aqt/mediasrv.py
+++ b/qt/aqt/mediasrv.py
@@ -684,6 +684,7 @@ exposed_backend_list = [
     "get_ignored_before_count",
     # CardRenderingService
     "encode_iri_paths",
+    "decode_iri_paths",
 ]
 
 
diff --git a/ts/routes/editor/NoteEditor.svelte b/ts/routes/editor/NoteEditor.svelte
index ff179e70c..755eae772 100644
--- a/ts/routes/editor/NoteEditor.svelte
+++ b/ts/routes/editor/NoteEditor.svelte
@@ -290,9 +290,17 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
 
     const fieldSave = new ChangeTimer();
 
-    function transformContentBeforeSave(content: string): string {
-        return content.replace(/ data-editor-shrink="(true|false)"/g, "");
-        // TODO: mungeHTML()
+    async function transformContentBeforeSave(content: string): Promise<string> {
+        content = content.replace(/ data-editor-shrink="(true|false)"/g, "");
+        // misbehaving apps may include a null byte in the text
+        content = content.replaceAll("\0", "");
+        // reverse the url quoting we added to get images to display
+        content = (await decodeIriPaths({ val: content })).val;
+
+        if (["<br>", "<div><br></div>"].includes(content)) {
+            return "";
+        }
+        return content;
     }
 
     async function updateCurrentNote() {
@@ -304,10 +312,10 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         }
     }
 
-    function updateField(index: number, content: string): void {
-        fieldSave.schedule(() => {
+    async function updateField(index: number, content: string): Promise<void> {
+        fieldSave.schedule(async () => {
             bridgeCommand(`key:${index}`);
-            note!.fields[index] = transformContentBeforeSave(content);
+            note!.fields[index] = await transformContentBeforeSave(content);
             updateCurrentNote();
         }, 600);
     }
@@ -428,6 +436,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         encodeIriPaths,
         newNote,
         editorUpdateNote,
+        decodeIriPaths,
     } from "@generated/backend";
     import { wrapInternal } from "@tslib/wrap";
 
@@ -790,11 +799,13 @@ components and functionality for general note editing.
                         setAddonButtonsDisabled(false);
                         bridgeCommand(`focus:${index}`);
                     }}
-                    on:focusout={() => {
+                    on:focusout={async () => {
                         $focusedField = null;
                         setAddonButtonsDisabled(true);
                         bridgeCommand(`blur:${index}`);
-                        note!.fields[index] = transformContentBeforeSave(get(content));
+                        note!.fields[index] = await transformContentBeforeSave(
+                            get(content),
+                        );
                         updateCurrentNote();
                     }}
                     on:mouseenter={() => {