From f8a4cf5704fb2cc3508983e38283b8f5d68d96f9 Mon Sep 17 00:00:00 2001
From: Anton Makeev <Anton.Makeev@jetbrains.com>
Date: Thu, 30 Jun 2016 17:21:35 +0200
Subject: [PATCH] 'ApplicationListener.afterWriteActionFinished' to get
 notifications when all writes actions finished and write lock is released

CPP-7082 Cannot initiate symbols rebuild from writeAction in tests
CPP-7020 "Access is allowed from event dispatch thread only" after reload Cmake Project (master)
---
 .../intellij/openapi/application/ApplicationAdapter.java   | 3 +++
 .../intellij/openapi/application/ApplicationListener.java  | 7 ++++++-
 .../intellij/openapi/application/impl/ApplicationImpl.java | 5 +++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/platform/core-api/src/com/intellij/openapi/application/ApplicationAdapter.java b/platform/core-api/src/com/intellij/openapi/application/ApplicationAdapter.java
index d3f0abafe44c..17fffb76466c 100644
--- a/platform/core-api/src/com/intellij/openapi/application/ApplicationAdapter.java
+++ b/platform/core-api/src/com/intellij/openapi/application/ApplicationAdapter.java
@@ -38,4 +38,7 @@ public abstract class ApplicationAdapter implements ApplicationListener {
   @Override
   public void writeActionFinished(@NotNull Object action) {
   }
+
+  public void afterWriteActionFinished(@NotNull Object action) {
+  }
 }
\ No newline at end of file
diff --git a/platform/core-api/src/com/intellij/openapi/application/ApplicationListener.java b/platform/core-api/src/com/intellij/openapi/application/ApplicationListener.java
index f9845687227f..7b6d71f8bf5c 100644
--- a/platform/core-api/src/com/intellij/openapi/application/ApplicationListener.java
+++ b/platform/core-api/src/com/intellij/openapi/application/ApplicationListener.java
@@ -45,7 +45,12 @@ public interface ApplicationListener extends EventListener {
   void writeActionStarted(@NotNull Object action);
 
   /**
-   *  Is called on action finish.
+   *  Is called on before action finish, while while lock is still being hold 
    */
   void writeActionFinished(@NotNull Object action);
+
+  /**
+   *  Is called after action finish and lock is released
+   */
+  void afterWriteActionFinished(@NotNull Object action);
 }
\ No newline at end of file
diff --git a/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java b/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java
index 3bf62a7c81bd..1bdae0bc58e6 100644
--- a/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/application/impl/ApplicationImpl.java
@@ -1122,6 +1122,7 @@ public class ApplicationImpl extends PlatformComponentManagerImpl implements App
       }
       if (myWriteActionsStack.isEmpty()) {
         myLock.writeUnlock();
+        fireAfterWriteActionFinished(clazz);
       }
     }
   }
@@ -1263,6 +1264,10 @@ public class ApplicationImpl extends PlatformComponentManagerImpl implements App
     myDispatcher.getMulticaster().writeActionFinished(action);
   }
 
+  private void fireAfterWriteActionFinished(@NotNull Class action) {
+    myDispatcher.getMulticaster().afterWriteActionFinished(action);
+  }
+
   @Override
   public void saveSettings() {
     if (myDoNotSave) return;