63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
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// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/android/java_handler_thread.h"
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#include <jni.h>
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#include "base/android/jni_android.h"
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#include "base/android/jni_string.h"
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#include "base/message_loop/message_loop.h"
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#include "base/synchronization/waitable_event.h"
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#include "base/threading/thread_restrictions.h"
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#include "jni/JavaHandlerThread_jni.h"
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namespace base {
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namespace android {
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JavaHandlerThread::JavaHandlerThread(const char* name) {
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JNIEnv* env = base::android::AttachCurrentThread();
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java_thread_.Reset(Java_JavaHandlerThread_create(
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env, ConvertUTF8ToJavaString(env, name).Release()));
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}
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JavaHandlerThread::~JavaHandlerThread() {
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}
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void JavaHandlerThread::Start() {
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// Check the thread has not already been started.
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DCHECK(!message_loop_);
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JNIEnv* env = base::android::AttachCurrentThread();
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base::WaitableEvent initialize_event(false, false);
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Java_JavaHandlerThread_start(env,
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java_thread_.obj(),
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reinterpret_cast<jint>(this),
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reinterpret_cast<jint>(&initialize_event));
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// Wait for thread to be initialized so it is ready to be used when Start
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// returns.
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base::ThreadRestrictions::ScopedAllowWait wait_allowed;
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initialize_event.Wait();
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}
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void JavaHandlerThread::Stop() {
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}
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void JavaHandlerThread::InitializeThread(JNIEnv* env, jobject obj, jint event) {
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// TYPE_JAVA to get the Android java style message loop.
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message_loop_.reset(new base::MessageLoop(base::MessageLoop::TYPE_JAVA));
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static_cast<MessageLoopForUI*>(message_loop_.get())->Start();
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reinterpret_cast<base::WaitableEvent*>(event)->Signal();
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}
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// static
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bool JavaHandlerThread::RegisterBindings(JNIEnv* env) {
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return RegisterNativesImpl(env);
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}
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} // namespace android
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} // namespace base
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