1 files changed, 41 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/ui/SynchronizedHandler.java b/src/com/android/gallery3d/ui/SynchronizedHandler.java
new file mode 100644
index 000000000..ba1035747
--- /dev/null
+++ b/src/com/android/gallery3d/ui/SynchronizedHandler.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.ui;
+
+import android.os.Handler;
+import android.os.Message;
+
+import com.android.gallery3d.common.Utils;
+
+public class SynchronizedHandler extends Handler {
+
+    private final GLRoot mRoot;
+
+    public SynchronizedHandler(GLRoot root) {
+        mRoot = Utils.checkNotNull(root);
+    }
+
+    @Override
+    public void dispatchMessage(Message message) {
+        mRoot.lockRenderThread();
+        try {
+            super.dispatchMessage(message);
+        } finally {
+            mRoot.unlockRenderThread();
+        }
+    }
+}