Add setStyleDirty, refactor replaceStyle

edit/edit.js

@@ -1894,21 +1894,16 @@ chrome.runtime.onMessage.addListener(onRuntimeMessage);
 
 function replaceStyle(request) {
   const codeIsUpdated = request.codeIsUpdated !== false;
-  if (codeIsUpdated && editor && editor.isTouched() && !confirm(t('styleUpdateDiscardChanges'))) {
-    return;
-  }
-  doReplace();
-
-  function doReplace() {
   if (!isUsercss(request.style)) {
     initWithSectionStyle(request);
     return;
   }
-    if (codeIsUpdated) {
-      editor.replaceStyle(request.style);
-    } else {
+  if (!codeIsUpdated) {
     editor.replaceMeta(request.style);
-    }
+  } else if (editor.isTouched() && !confirm(t('styleUpdateDiscardChanges'))) {
+    editor.setStyleDirty(request.style);
+  } else {
+    editor.replaceStyle(request.style);
   }
 }
 

edit/source-editor.js

@@ -212,6 +212,12 @@ ${section}
     hadBeenSaved = false;
   }
 
+  function setStyleDirty(newStyle) {
+    dirty.clear();
+    dirty.modify('source', newStyle.sourceCode, style.sourceCode);
+    dirty.modify('enabled', newStyle.enabled, style.enabled);
+  }
+
   function toggleStyle() {
     const value = !style.enabled;
     dirty.modify('enabled', style.enabled, value);
@@ -256,6 +262,7 @@ ${section}
   return {
     replaceStyle,
     replaceMeta,
+    setStyleDirty,
     save,
     toggleStyle,
     isDirty: dirty.isDirty,