From 5a0c3a45bd29d63e270376506db552256db00db3 Mon Sep 17 00:00:00 2001
From: Maxim Shafirov <max@jetbrains.com>
Date: Tue, 10 Feb 2009 18:24:18 +0300
Subject: [PATCH] beforeRefreshStart/afterRefereshFinish events shall only be
 fired from EDT.

---
 .../openapi/vfs/impl/local/LocalFileSystemImpl.java    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java b/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java
index 00ae796f6de1..528940e0f8ba 100644
--- a/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java
+++ b/platform-impl/src/com/intellij/openapi/vfs/impl/local/LocalFileSystemImpl.java
@@ -206,7 +206,10 @@ public final class LocalFileSystemImpl extends LocalFileSystem implements Applic
   public void refreshIoFiles(Iterable<File> files) {
     final VirtualFileManagerEx manager = (VirtualFileManagerEx)VirtualFileManager.getInstance();
 
-    manager.fireBeforeRefreshStart(false);
+    Application app = ApplicationManager.getApplication();
+    boolean fireCommonRefreshSession = app.isDispatchThread() || app.isWriteAccessAllowed();
+    if (fireCommonRefreshSession) manager.fireBeforeRefreshStart(false);
+
     try {
       List<VirtualFile> filesToRefresh = new ArrayList<VirtualFile>();
 
@@ -218,8 +221,9 @@ public final class LocalFileSystemImpl extends LocalFileSystem implements Applic
       }
 
       RefreshQueue.getInstance().refresh(false, false, null, filesToRefresh.toArray(new VirtualFile[filesToRefresh.size()]));
-    } finally {
-      manager.fireAfterRefreshFinish(false);
+    }
+    finally {
+      if (fireCommonRefreshSession) manager.fireAfterRefreshFinish(false);
     }
   }