Make CookieManager.removeSessionCookies async

Webkit loadurl() will wait on the webcore thread until oustanding
cookie operations complete.

Change-Id: I067408fdb9acd2e2d1f1f21eef910d0b26304332

1 files changed, 30 insertions, 1 deletions

diff --git a/core/java/android/webkit/CookieManager.java b/core/java/android/webkit/CookieManager.java
index 0cbd51b..3ba7f81 100644
--- a/core/java/android/webkit/CookieManager.java
+++ b/core/java/android/webkit/CookieManager.java
@@ -19,6 +19,7 @@ package android.webkit;
 import android.net.ParseException;
 import android.net.WebAddress;
 import android.net.http.AndroidHttpClient;
+import android.os.AsyncTask;
 import android.util.Log;
 
 
@@ -102,6 +103,8 @@ public final class CookieManager {
     // http:/b/3118772
     private static Boolean sUseChromiumHttpStack;
 
+    private int pendingCookieOperations = 0;
+
     /**
      * This contains a list of 2nd-level domains that aren't allowed to have
      * wildcards when combined with country-codes. For example: [.co.uk].
@@ -523,12 +526,37 @@ public final class CookieManager {
         }
     }
 
+    synchronized void waitForCookieOperationsToComplete() {
+        while (pendingCookieOperations > 0) {
+            try {
+                wait();
+            } catch (InterruptedException e) { }
+        }
+    }
+
+    private synchronized void signalCookieOperationsComplete() {
+        pendingCookieOperations--;
+        assert pendingCookieOperations > -1;
+        notify();
+    }
+
+    private synchronized void signalCookieOperationsStart() {
+        pendingCookieOperations++;
+    }
+
     /**
      * Remove all session cookies, which are cookies without expiration date
      */
     public void removeSessionCookie() {
+        signalCookieOperationsStart();
         if (useChromiumHttpStack()) {
-            nativeRemoveSessionCookie();
+            new AsyncTask<Void, Void, Void>() {
+                protected Void doInBackground(Void... none) {
+                    nativeRemoveSessionCookie();
+                    signalCookieOperationsComplete();
+                    return null;
+                }
+            }.execute();
             return;
         }
 
@@ -548,6 +576,7 @@ public final class CookieManager {
                         }
                     }
                     CookieSyncManager.getInstance().clearSessionCookies();
+                    signalCookieOperationsComplete();
                 }
             }
         };