Ben Murdoch | bb1529c | 2013-08-08 10:24:53 +0100 | [diff] [blame^] | 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 | |
| 16 | namespace base { |
| 17 | |
| 18 | namespace android { |
| 19 | |
| 20 | JavaHandlerThread::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 | |
| 27 | JavaHandlerThread::~JavaHandlerThread() { |
| 28 | } |
| 29 | |
| 30 | void 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<jint>(this), |
| 39 | reinterpret_cast<jint>(&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 | |
| 46 | void JavaHandlerThread::Stop() { |
| 47 | } |
| 48 | |
| 49 | void 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 |
| 57 | bool JavaHandlerThread::RegisterBindings(JNIEnv* env) { |
| 58 | return RegisterNativesImpl(env); |
| 59 | } |
| 60 | |
| 61 | } // namespace android |
| 62 | } // namespace base |