1// Copyright 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include "base/android/java_handler_thread.h" 6 7#include <jni.h> 8 9#include "base/android/jni_android.h" 10#include "base/android/jni_string.h" 11#include "base/message_loop/message_loop.h" 12#include "base/synchronization/waitable_event.h" 13#include "base/threading/thread_restrictions.h" 14#include "jni/JavaHandlerThread_jni.h" 15 16namespace base { 17 18namespace android { 19 20JavaHandlerThread::JavaHandlerThread(const char* name) { 21 JNIEnv* env = base::android::AttachCurrentThread(); 22 23 java_thread_.Reset(Java_JavaHandlerThread_create( 24 env, ConvertUTF8ToJavaString(env, name).Release())); 25} 26 27JavaHandlerThread::~JavaHandlerThread() { 28} 29 30void JavaHandlerThread::Start() { 31 // Check the thread has not already been started. 32 DCHECK(!message_loop_); 33 34 JNIEnv* env = base::android::AttachCurrentThread(); 35 base::WaitableEvent initialize_event(false, false); 36 Java_JavaHandlerThread_start(env, 37 java_thread_.obj(), 38 reinterpret_cast<intptr_t>(this), 39 reinterpret_cast<intptr_t>(&initialize_event)); 40 // Wait for thread to be initialized so it is ready to be used when Start 41 // returns. 42 base::ThreadRestrictions::ScopedAllowWait wait_allowed; 43 initialize_event.Wait(); 44} 45 46void JavaHandlerThread::Stop() { 47} 48 49void JavaHandlerThread::InitializeThread(JNIEnv* env, jobject obj, jint event) { 50 // TYPE_JAVA to get the Android java style message loop. 51 message_loop_.reset(new base::MessageLoop(base::MessageLoop::TYPE_JAVA)); 52 static_cast<MessageLoopForUI*>(message_loop_.get())->Start(); 53 reinterpret_cast<base::WaitableEvent*>(event)->Signal(); 54} 55 56// static 57bool JavaHandlerThread::RegisterBindings(JNIEnv* env) { 58 return RegisterNativesImpl(env); 59} 60 61} // namespace android 62} // namespace base 63