blob: 25fd3409760a627881f0639bf895d0e897008f10 [file] [log] [blame]
// Copyright 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.
#include <jni.h>
#include <memory>
#include "base/android/scoped_java_ref.h"
namespace base {
class MessageLoop;
namespace android {
// A Java Thread with a native message loop. To run tasks, post them
// to the message loop and they will be scheduled along with Java tasks
// on the thread.
// This is useful for callbacks where the receiver expects a thread
// with a prepared Looper.
class BASE_EXPORT JavaHandlerThread {
// Create new thread.
explicit JavaHandlerThread(const char* name);
// Wrap and connect to an existing JavaHandlerThread.
// |obj| is an instance of JavaHandlerThread.
explicit JavaHandlerThread(
const base::android::ScopedJavaLocalRef<jobject>& obj);
virtual ~JavaHandlerThread();
base::MessageLoop* message_loop() const { return message_loop_.get(); }
void Start();
void Stop();
// Called from java on the newly created thread.
// Start() will not return before this methods has finished.
void InitializeThread(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong event);
void StopThread(JNIEnv* env,
const JavaParamRef<jobject>& obj,
jlong event);
virtual void StartMessageLoop();
virtual void StopMessageLoop();
static bool RegisterBindings(JNIEnv* env);
std::unique_ptr<base::MessageLoop> message_loop_;
ScopedJavaGlobalRef<jobject> java_thread_;
} // namespace android
} // namespace base