KT-4211 Can't see kotlin annotation icon for Java-declaration with source

#KT-4211 Fixed

idea/src/org/jetbrains/jet/plugin/ktSignature/KotlinSignatureInJavaMarkerProvider.java

@@ -89,12 +89,12 @@ public class KotlinSignatureInJavaMarkerProvider implements LineMarkerProvider {
             return;
         }
 
-        Module module = ModuleUtilCore.findModuleForPsiElement(elements.get(0));
-        if (module == null) {
+        if (!ProjectStructureUtil.hasJvmKotlinModules(project)) {
             return;
         }
 
-        if (!ProjectStructureUtil.isUsedInKotlinJavaModule(module)) {
+        Module module = ModuleUtilCore.findModuleForPsiElement(elements.get(0));
+        if (module != null && !ProjectStructureUtil.isUsedInKotlinJavaModule(module)) {
             return;
         }
 

idea/src/org/jetbrains/jet/plugin/project/ProjectStructureUtil.java

@@ -53,6 +53,7 @@ import java.util.Set;
 
 public class ProjectStructureUtil {
     private static final Key<CachedValue<Boolean>> IS_KOTLIN_JS_MODULE = Key.create("IS_KOTLIN_JS_MODULE");
+    private static final Key<CachedValue<Boolean>> HAS_KOTLIN_JVM_MODULES = Key.create("HAS_KOTLIN_JVM_MODULES");
     private static final Key<CachedValue<Boolean>> IS_DEPEND_ON_JVM_KOTLIN = Key.create("KOTLIN_IS_DEPEND_ON_JVM_KOTLIN");
 
     private ProjectStructureUtil() {
@@ -86,6 +87,31 @@ public class ProjectStructureUtil {
         return result.getValue();
     }
 
+    public static boolean hasJvmKotlinModules(@NotNull final Project project) {
+        CachedValue<Boolean> result = project.getUserData(HAS_KOTLIN_JVM_MODULES);
+        if (result == null) {
+            result = CachedValuesManager.getManager(project).createCachedValue(new CachedValueProvider<Boolean>() {
+                @Override
+                public Result<Boolean> compute() {
+                    boolean hasJvmKotlinModules = false;
+
+                    for (Module module : ModuleManager.getInstance(project).getModules()) {
+                        if (isJavaKotlinModule(module)) {
+                            hasJvmKotlinModules = true;
+                            break;
+                        }
+                    }
+
+                    return Result.create(hasJvmKotlinModules, ProjectRootModificationTracker.getInstance(project));
+                }
+            }, false);
+
+            project.putUserData(HAS_KOTLIN_JVM_MODULES, result);
+        }
+
+        return result.getValue();
+    }
+
     public static boolean isUsedInKotlinJavaModule(@NotNull final Module module) {
         CachedValue<Boolean> result = module.getUserData(IS_DEPEND_ON_JVM_KOTLIN);
         if (result == null) {