From f73c7f68db293ddbf8e45400e661425c6814fb52 Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Tue, 10 Jul 2012 15:08:54 +0200
Subject: [PATCH] EA-37259 add read action

---
 .../refactoring/util/TextOccurrencesUtil.java         | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/refactoring/util/TextOccurrencesUtil.java b/platform/lang-impl/src/com/intellij/refactoring/util/TextOccurrencesUtil.java
index ab7c5ef996e4..22281f3f8025 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/util/TextOccurrencesUtil.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/util/TextOccurrencesUtil.java
@@ -24,6 +24,8 @@ import com.intellij.find.impl.FindManagerImpl;
 import com.intellij.lang.ASTNode;
 import com.intellij.lang.LanguageParserDefinitions;
 import com.intellij.lang.ParserDefinition;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.util.Computable;
 import com.intellij.openapi.util.TextRange;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
@@ -54,12 +56,17 @@ public class TextOccurrencesUtil {
     }, factory);
   }
 
-  public static void processTextOccurences(@NotNull PsiElement element,
+  public static void processTextOccurences(@NotNull final PsiElement element,
                                            @NotNull String stringToSearch,
                                            @NotNull GlobalSearchScope searchScope,
                                            @NotNull final Processor<UsageInfo> processor,
                                            @NotNull final UsageInfoFactory factory) {
-    PsiSearchHelper helper = PsiSearchHelper.SERVICE.getInstance(element.getProject());
+    PsiSearchHelper helper = ApplicationManager.getApplication().runReadAction(new Computable<PsiSearchHelper>() {
+      @Override
+      public PsiSearchHelper compute() {
+        return PsiSearchHelper.SERVICE.getInstance(element.getProject());
+      }
+    });
 
     helper.processUsagesInNonJavaFiles(element, stringToSearch, new PsiNonJavaFileReferenceProcessor() {
       public boolean process(PsiFile psiFile, int startOffset, int endOffset) {