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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/android/java_handler_thread.h" | 5 #include "base/android/java_handler_thread.h" |
| 6 | 6 |
| 7 #include <jni.h> | 7 #include <jni.h> |
| 8 | 8 |
| 9 #include "base/android/jni_android.h" | 9 #include "base/android/jni_android.h" |
| 10 #include "base/android/jni_string.h" | 10 #include "base/android/jni_string.h" |
| 11 #include "base/message_loop/message_loop.h" | 11 #include "base/message_loop/message_loop.h" |
| 12 #include "base/synchronization/waitable_event.h" | 12 #include "base/synchronization/waitable_event.h" |
| 13 #include "base/threading/thread_restrictions.h" | 13 #include "base/threading/thread_restrictions.h" |
| 14 #include "jni/JavaHandlerThread_jni.h" | 14 #include "jni/JavaHandlerThread_jni.h" |
| 15 | 15 |
| 16 namespace base { | 16 namespace base { |
| 17 | 17 |
| 18 namespace android { | 18 namespace android { |
| 19 | 19 |
| 20 JavaHandlerThread::JavaHandlerThread(const char* name) { | 20 JavaHandlerThread::JavaHandlerThread(const char* name) { |
| 21 JNIEnv* env = base::android::AttachCurrentThread(); | 21 JNIEnv* env = base::android::AttachCurrentThread(); |
| 22 | 22 |
| 23 java_thread_.Reset(Java_JavaHandlerThread_create( | 23 java_thread_.Reset( |
| 24 env, ConvertUTF8ToJavaString(env, name).obj())); | 24 Java_JavaHandlerThread_create(env, ConvertUTF8ToJavaString(env, name))); |
| 25 } | 25 } |
| 26 | 26 |
| 27 JavaHandlerThread::~JavaHandlerThread() { | 27 JavaHandlerThread::~JavaHandlerThread() { |
| 28 } | 28 } |
| 29 | 29 |
| 30 void JavaHandlerThread::Start() { | 30 void JavaHandlerThread::Start() { |
| 31 // Check the thread has not already been started. | 31 // Check the thread has not already been started. |
| 32 DCHECK(!message_loop_); | 32 DCHECK(!message_loop_); |
| 33 | 33 |
| 34 JNIEnv* env = base::android::AttachCurrentThread(); | 34 JNIEnv* env = base::android::AttachCurrentThread(); |
| 35 base::WaitableEvent initialize_event( | 35 base::WaitableEvent initialize_event( |
| 36 WaitableEvent::ResetPolicy::AUTOMATIC, | 36 WaitableEvent::ResetPolicy::AUTOMATIC, |
| 37 WaitableEvent::InitialState::NOT_SIGNALED); | 37 WaitableEvent::InitialState::NOT_SIGNALED); |
| 38 Java_JavaHandlerThread_start(env, | 38 Java_JavaHandlerThread_start(env, java_thread_, |
| 39 java_thread_.obj(), | |
| 40 reinterpret_cast<intptr_t>(this), | 39 reinterpret_cast<intptr_t>(this), |
| 41 reinterpret_cast<intptr_t>(&initialize_event)); | 40 reinterpret_cast<intptr_t>(&initialize_event)); |
| 42 // Wait for thread to be initialized so it is ready to be used when Start | 41 // Wait for thread to be initialized so it is ready to be used when Start |
| 43 // returns. | 42 // returns. |
| 44 base::ThreadRestrictions::ScopedAllowWait wait_allowed; | 43 base::ThreadRestrictions::ScopedAllowWait wait_allowed; |
| 45 initialize_event.Wait(); | 44 initialize_event.Wait(); |
| 46 } | 45 } |
| 47 | 46 |
| 48 void JavaHandlerThread::Stop() { | 47 void JavaHandlerThread::Stop() { |
| 49 JNIEnv* env = base::android::AttachCurrentThread(); | 48 JNIEnv* env = base::android::AttachCurrentThread(); |
| 50 base::WaitableEvent shutdown_event(WaitableEvent::ResetPolicy::AUTOMATIC, | 49 base::WaitableEvent shutdown_event(WaitableEvent::ResetPolicy::AUTOMATIC, |
| 51 WaitableEvent::InitialState::NOT_SIGNALED); | 50 WaitableEvent::InitialState::NOT_SIGNALED); |
| 52 Java_JavaHandlerThread_stop(env, | 51 Java_JavaHandlerThread_stop(env, java_thread_, |
| 53 java_thread_.obj(), | |
| 54 reinterpret_cast<intptr_t>(this), | 52 reinterpret_cast<intptr_t>(this), |
| 55 reinterpret_cast<intptr_t>(&shutdown_event)); | 53 reinterpret_cast<intptr_t>(&shutdown_event)); |
| 56 // Wait for thread to shut down before returning. | 54 // Wait for thread to shut down before returning. |
| 57 base::ThreadRestrictions::ScopedAllowWait wait_allowed; | 55 base::ThreadRestrictions::ScopedAllowWait wait_allowed; |
| 58 shutdown_event.Wait(); | 56 shutdown_event.Wait(); |
| 59 } | 57 } |
| 60 | 58 |
| 61 void JavaHandlerThread::InitializeThread(JNIEnv* env, | 59 void JavaHandlerThread::InitializeThread(JNIEnv* env, |
| 62 const JavaParamRef<jobject>& obj, | 60 const JavaParamRef<jobject>& obj, |
| 63 jlong event) { | 61 jlong event) { |
| (...skipping 10 matching lines...) Expand all Loading... |
| 74 reinterpret_cast<base::WaitableEvent*>(event)->Signal(); | 72 reinterpret_cast<base::WaitableEvent*>(event)->Signal(); |
| 75 } | 73 } |
| 76 | 74 |
| 77 // static | 75 // static |
| 78 bool JavaHandlerThread::RegisterBindings(JNIEnv* env) { | 76 bool JavaHandlerThread::RegisterBindings(JNIEnv* env) { |
| 79 return RegisterNativesImpl(env); | 77 return RegisterNativesImpl(env); |
| 80 } | 78 } |
| 81 | 79 |
| 82 } // namespace android | 80 } // namespace android |
| 83 } // namespace base | 81 } // namespace base |
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