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// 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.
#ifndef BASE_ANDROID_JAVA_HANDLER_THREAD_H_
#define BASE_ANDROID_JAVA_HANDLER_THREAD_H_
#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 {
public:
JavaHandlerThread(const char* name);
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);
protected:
std::unique_ptr<base::MessageLoop> message_loop_;
private:
ScopedJavaGlobalRef<jobject> java_thread_;
};
} // namespace android
} // namespace base
#endif // BASE_ANDROID_JAVA_HANDLER_THREAD_H_
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