htmlviewer-directediting: HTML rendering in Nextcloud iOS app

- htmlviewer: IEditor + Bridge + srcdoc iframe template + content controller
- text app: open() bridges text/html to htmlviewer template
- idempotent install.sh for re-deployment after app updates
- iPhone-tested 2026-09-11

patches/htmlviewer/patch_app.py

@@ -0,0 +1,26 @@
+import re
+APP='/media/orange/RocketChat/nextcloud1/nextcloud_data/custom_apps/htmlviewer'
+
+p=APP+'/lib/AppInfo/Application.php'
+c=open(p).read()
+if 'RegisterDirectEditorListener' not in c:
+    c=c.replace(
+        'use OCP\\Security\\CSP\\AddContentSecurityPolicyEvent;',
+        'use OCP\\Security\\CSP\\AddContentSecurityPolicyEvent;\nuse OCA\\HtmlViewer\\Listener\\RegisterDirectEditorListener;\nuse OCP\\DirectEditing\\RegisterDirectEditorEvent;'
+    )
+    c=c.replace(
+        "        $context->registerEventListener(AddContentSecurityPolicyEvent::class, CSPListener::class);",
+        "        $context->registerEventListener(AddContentSecurityPolicyEvent::class, CSPListener::class);\n        $context->registerEventListener(RegisterDirectEditorEvent::class, RegisterDirectEditorListener::class);"
+    )
+    open(p,'w').write(c)
+print('Application.php patched:', 'RegisterDirectEditorEvent' in open(p).read())
+
+p=APP+'/appinfo/routes.php'
+c=open(p).read()
+if 'Direct#content' not in c:
+    c=c.replace(
+        "['name' => 'settings#disableWarning', 'url' => '/settings/warning', 'verb' => 'GET'],",
+        "['name' => 'settings#disableWarning', 'url' => '/settings/warning', 'verb' => 'GET'],\n\t\t['name' => 'Direct#content', 'url' => '/direct/{fileId}', 'verb' => 'GET'],"
+    )
+    open(p,'w').write(c)
+print('routes.php patched:', 'Direct#content' in open(p).read())