| OLD | NEW |
| (Empty) |
| 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<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 | |
| 46 void JavaHandlerThread::Stop() { | |
| 47 JNIEnv* env = base::android::AttachCurrentThread(); | |
| 48 base::WaitableEvent shutdown_event(false, false); | |
| 49 Java_JavaHandlerThread_stop(env, | |
| 50 java_thread_.obj(), | |
| 51 reinterpret_cast<intptr_t>(this), | |
| 52 reinterpret_cast<intptr_t>(&shutdown_event)); | |
| 53 // Wait for thread to shut down before returning. | |
| 54 base::ThreadRestrictions::ScopedAllowWait wait_allowed; | |
| 55 shutdown_event.Wait(); | |
| 56 } | |
| 57 | |
| 58 void JavaHandlerThread::InitializeThread(JNIEnv* env, jobject obj, | |
| 59 jlong event) { | |
| 60 // TYPE_JAVA to get the Android java style message loop. | |
| 61 message_loop_.reset(new base::MessageLoop(base::MessageLoop::TYPE_JAVA)); | |
| 62 static_cast<MessageLoopForUI*>(message_loop_.get())->Start(); | |
| 63 reinterpret_cast<base::WaitableEvent*>(event)->Signal(); | |
| 64 } | |
| 65 | |
| 66 void JavaHandlerThread::StopThread(JNIEnv* env, jobject obj, jlong event) { | |
| 67 static_cast<MessageLoopForUI*>(message_loop_.get())->Quit(); | |
| 68 reinterpret_cast<base::WaitableEvent*>(event)->Signal(); | |
| 69 } | |
| 70 | |
| 71 // static | |
| 72 bool JavaHandlerThread::RegisterBindings(JNIEnv* env) { | |
| 73 return RegisterNativesImpl(env); | |
| 74 } | |
| 75 | |
| 76 } // namespace android | |
| 77 } // namespace base | |
| OLD | NEW |