diff --git a/platform/lang-api/src/com/intellij/codeInsight/completion/AlwaysFocusLookup.java b/platform/lang-api/src/com/intellij/codeInsight/completion/AlwaysFocusLookup.java
index 028cb9a5f8b0..c3633d607d64 100644
--- a/platform/lang-api/src/com/intellij/codeInsight/completion/AlwaysFocusLookup.java
+++ b/platform/lang-api/src/com/intellij/codeInsight/completion/AlwaysFocusLookup.java
@@ -15,14 +15,16 @@
  */
 package com.intellij.codeInsight.completion;
 
+import com.intellij.util.ThreeState;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * @author peter
  */
 public class AlwaysFocusLookup extends CompletionConfidence {
+  @NotNull
   @Override
-  public Boolean shouldFocusLookup(@NotNull CompletionParameters parameters) {
-    return true;
+  public ThreeState shouldFocusLookup(@NotNull CompletionParameters parameters) {
+    return ThreeState.YES;
   }
 }
diff --git a/platform/lang-api/src/com/intellij/codeInsight/completion/CompletionConfidence.java b/platform/lang-api/src/com/intellij/codeInsight/completion/CompletionConfidence.java
index 84b44292f99f..9a833e215d1f 100644
--- a/platform/lang-api/src/com/intellij/codeInsight/completion/CompletionConfidence.java
+++ b/platform/lang-api/src/com/intellij/codeInsight/completion/CompletionConfidence.java
@@ -17,6 +17,7 @@ package com.intellij.codeInsight.completion;
 
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
+import com.intellij.util.ThreeState;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -25,11 +26,11 @@ import org.jetbrains.annotations.Nullable;
  */
 public abstract class CompletionConfidence {
 
-  @Nullable
-  public abstract Boolean shouldFocusLookup(@NotNull CompletionParameters parameters);
+  @NotNull
+  public abstract ThreeState shouldFocusLookup(@NotNull CompletionParameters parameters);
 
-  @Nullable
-  public Boolean shouldSkipAutopopup(@Nullable PsiElement contextElement, @NotNull PsiFile psiFile, int offset) {
-    return null;
+  @NotNull
+  public ThreeState shouldSkipAutopopup(@Nullable PsiElement contextElement, @NotNull PsiFile psiFile, int offset) {
+    return ThreeState.UNSURE;
   }
 }
diff --git a/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedComments.java b/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedComments.java
index 0372a0e00941..0a79233d03ad 100644
--- a/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedComments.java
+++ b/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedComments.java
@@ -17,17 +17,19 @@ package com.intellij.codeInsight.completion;
 
 import com.intellij.psi.PsiComment;
 import com.intellij.psi.util.PsiTreeUtil;
+import com.intellij.util.ThreeState;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * @author peter
  */
 public class UnfocusedComments extends CompletionConfidence {
+  @NotNull
   @Override
-  public Boolean shouldFocusLookup(@NotNull CompletionParameters parameters) {
+  public ThreeState shouldFocusLookup(@NotNull CompletionParameters parameters) {
     if (PsiTreeUtil.getParentOfType(parameters.getPosition(), PsiComment.class) != null) {
-      return false;
+      return ThreeState.NO;
     }
-    return null;
+    return ThreeState.UNSURE;
   }
 }
diff --git a/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedNameIdentifier.java b/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedNameIdentifier.java
index f0127bba878c..bd59deb551f3 100644
--- a/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedNameIdentifier.java
+++ b/platform/lang-api/src/com/intellij/codeInsight/completion/UnfocusedNameIdentifier.java
@@ -17,27 +17,29 @@ package com.intellij.codeInsight.completion;
 
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiNameIdentifierOwner;
+import com.intellij.util.ThreeState;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * @author peter
  */
 public class UnfocusedNameIdentifier extends CompletionConfidence {
+  @NotNull
   @Override
-  public Boolean shouldFocusLookup(@NotNull CompletionParameters parameters) {
+  public ThreeState shouldFocusLookup(@NotNull CompletionParameters parameters) {
     final PsiElement position = parameters.getPosition();
     final PsiElement parent = position.getParent();
     if (parent instanceof PsiNameIdentifierOwner) {
       final PsiElement nameIdentifier = ((PsiNameIdentifierOwner)parent).getNameIdentifier();
       if (nameIdentifier == position) {
-        return false;
+        return ThreeState.NO;
       }
 
       if (nameIdentifier != null && position.getTextRange().equals(nameIdentifier.getTextRange())) {
         //sometimes name identifiers are non-physical (e.g. Groovy)
-        return false;
+        return ThreeState.NO;
       }
     }
-    return null;
+    return ThreeState.UNSURE;
   }
 }
diff --git a/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java b/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
index 7d3dd6825fc0..776f5946c8c4 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
@@ -68,6 +68,7 @@ import com.intellij.psi.util.PsiUtilBase;
 import com.intellij.reference.SoftReference;
 import com.intellij.ui.LightweightHint;
 import com.intellij.util.Consumer;
+import com.intellij.util.ThreeState;
 import com.intellij.util.concurrency.Semaphore;
 import com.intellij.util.messages.MessageBusConnection;
 import org.jetbrains.annotations.NotNull;
@@ -207,8 +208,9 @@ public class CodeCompletionHandlerBase implements CodeInsightActionHandler {
       Language language = elementAt != null ? PsiUtilBase.findLanguageFromElement(elementAt):psiFile.getLanguage();
 
       for (CompletionConfidence confidence : CompletionConfidenceEP.forLanguage(language)) {
-        final Boolean result = confidence.shouldSkipAutopopup(elementAt, psiFile, offset); // TODO: Peter Lazy API
-        if (result == Boolean.TRUE) return;
+        final ThreeState result = confidence.shouldSkipAutopopup(elementAt, psiFile, offset); // TODO: Peter Lazy API
+        if (result == ThreeState.YES) return;
+        if (result == ThreeState.NO) break;
       }
     } else {
       CommandProcessor.getInstance().executeCommand(project, initCmd, null, null);
@@ -224,9 +226,9 @@ public class CodeCompletionHandlerBase implements CodeInsightActionHandler {
 
     final Language language = PsiUtilBase.getLanguageAtOffset(parameters.getPosition().getContainingFile(), parameters.getOffset());
     for (CompletionConfidence confidence : CompletionConfidenceEP.forLanguage(language)) {
-      final Boolean result = confidence.shouldFocusLookup(parameters);
-      if (result != null) {
-        return result;
+      final ThreeState result = confidence.shouldFocusLookup(parameters);
+      if (result != ThreeState.UNSURE) {
+        return result == ThreeState.YES;
       }
     }
     return false;
diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java
index b00f3dcb37c2..2e55d0ca097d 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/completion/GroovyCompletionConfidence.java
@@ -15,6 +15,7 @@ package org.jetbrains.plugins.groovy.lang.completion;
 import com.intellij.codeInsight.completion.CompletionConfidence;
 import com.intellij.codeInsight.completion.CompletionParameters;
 import com.intellij.psi.PsiElement;
+import com.intellij.util.ThreeState;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression;
@@ -23,19 +24,20 @@ import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrRefere
  * @author peter
  */
 public class GroovyCompletionConfidence extends CompletionConfidence {
+  @NotNull
   @Override
-  public Boolean shouldFocusLookup(@NotNull CompletionParameters parameters) {
+  public ThreeState shouldFocusLookup(@NotNull CompletionParameters parameters) {
     final PsiElement position = parameters.getPosition();
     if (position.getParent() instanceof GrReferenceExpression) {
       final GrExpression expression = ((GrReferenceExpression)position.getParent()).getQualifierExpression();
       if (expression == null) {
-        return true;
+        return ThreeState.YES;
       }
       if (expression.getType() == null) {
-        return false;
+        return ThreeState.NO;
       }
-      return true;
+      return ThreeState.YES;
     }
-    return null;
+    return ThreeState.UNSURE;
   }
 }
diff --git a/xml/impl/resources/com/intellij/codeInsight/completion/XmlNameCompletionConfidence.java b/xml/impl/resources/com/intellij/codeInsight/completion/XmlNameCompletionConfidence.java
index 8693c214d1b5..77a54ecf577c 100644
--- a/xml/impl/resources/com/intellij/codeInsight/completion/XmlNameCompletionConfidence.java
+++ b/xml/impl/resources/com/intellij/codeInsight/completion/XmlNameCompletionConfidence.java
@@ -3,21 +3,23 @@ package com.intellij.codeInsight.completion;
 import com.intellij.lang.ASTNode;
 import com.intellij.psi.tree.IElementType;
 import com.intellij.psi.xml.XmlTokenType;
+import com.intellij.util.ThreeState;
 import org.jetbrains.annotations.NotNull;
 
 /**
  * @author peter
  */
 public class XmlNameCompletionConfidence extends CompletionConfidence{
+  @NotNull
   @Override
-  public Boolean shouldFocusLookup(@NotNull CompletionParameters parameters) {
+  public ThreeState shouldFocusLookup(@NotNull CompletionParameters parameters) {
     final ASTNode node = parameters.getPosition().getNode();
-    if (node == null) return null;
+    if (node == null) return ThreeState.UNSURE;
 
     final IElementType elementType = node.getElementType();
     if (elementType == XmlTokenType.XML_NAME || elementType == XmlTokenType.XML_TAG_NAME) {
-      return true;
+      return ThreeState.YES;
     }
-    return null;
+    return ThreeState.UNSURE;
   }
 }