Making a way to create thread with a Java Looper for Android

base/android/java/src/org/chromium/base/JavaThread.java

Index: base/android/java/src/org/chromium/base/JavaThread.java
diff --git a/base/android/java/src/org/chromium/base/JavaThread.java b/base/android/java/src/org/chromium/base/JavaThread.java
new file mode 100644
index 0000000000000000000000000000000000000000..9ab0f7de8404fe656b35cb278ade9ca9ebb12ff2
--- /dev/null
+++ b/base/android/java/src/org/chromium/base/JavaThread.java
@@ -0,0 +1,38 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.base;
+
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Looper;
+import android.os.Message;
+
+@JNINamespace("base::android")
+class JavaThread implements Handler.Callback {
+
+    final HandlerThread mThread;
+
+    private JavaThread(String name) {
+        mThread = new HandlerThread(name);
+    }
+
+    @CalledByNative
+    private static JavaThread create(String name) {
+        return new JavaThread(name);

[benm (inactive), 2013/07/10 16:50:06]

What is the lifetime of the thread? Will it loop forever once it's created?

[Kristian Monsen, 2013/07/10 17:50:19]

Currently it lives forever since that is what is needed for the JavaBridge. I am
not sure if there are other potential users.

I remember joth had some comments around this.

+    }
+
+    @CalledByNative
+    private void start(int nativeThread) {
+        mThread.start();
+        new Handler(mThread.getLooper(), this).sendEmptyMessage(nativeThread);
+    }
+
+    public boolean handleMessage(Message msg) {

[benm (inactive), 2013/07/10 16:50:06]

nit: @Override

[Kristian Monsen, 2013/07/10 17:50:19]

Done.

+        nativeInitializeThread(msg.what);
+        return true;
+    }
+
+    private native void nativeInitializeThread(int nativeJavaThread);
+}