mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-24 14:26:09 +03:00
98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef BASE_ANDROID_JAVA_HANDLER_THREAD_H_
|
|
#define BASE_ANDROID_JAVA_HANDLER_THREAD_H_
|
|
|
|
#include <jni.h>
|
|
|
|
#include <memory>
|
|
|
|
#include "base/android/scoped_java_ref.h"
|
|
#include "base/message_loop/message_loop.h"
|
|
#include "base/single_thread_task_runner.h"
|
|
|
|
namespace base {
|
|
|
|
class MessageLoop;
|
|
|
|
namespace android {
|
|
|
|
// A Java Thread with a native message loop. To run tasks, post them
|
|
// to the message loop and they will be scheduled along with Java tasks
|
|
// on the thread.
|
|
// This is useful for callbacks where the receiver expects a thread
|
|
// with a prepared Looper.
|
|
class BASE_EXPORT JavaHandlerThread {
|
|
public:
|
|
// Create new thread.
|
|
explicit JavaHandlerThread(
|
|
const char* name,
|
|
base::ThreadPriority priority = base::ThreadPriority::NORMAL);
|
|
// Wrap and connect to an existing JavaHandlerThread.
|
|
// |obj| is an instance of JavaHandlerThread.
|
|
explicit JavaHandlerThread(
|
|
const char* name,
|
|
const base::android::ScopedJavaLocalRef<jobject>& obj);
|
|
virtual ~JavaHandlerThread();
|
|
|
|
// Called from any thread.
|
|
base::MessageLoop* message_loop() const { return message_loop_.get(); }
|
|
|
|
// Gets the TaskRunner associated with the message loop.
|
|
// Called from any thread.
|
|
scoped_refptr<SingleThreadTaskRunner> task_runner() const {
|
|
return message_loop_ ? message_loop_->task_runner() : nullptr;
|
|
}
|
|
|
|
// Called from the parent thread.
|
|
void Start();
|
|
void Stop();
|
|
|
|
// Called from java on the newly created thread.
|
|
// Start() will not return before this methods has finished.
|
|
void InitializeThread(JNIEnv* env,
|
|
const JavaParamRef<jobject>& obj,
|
|
jlong event);
|
|
// Called from java on this thread.
|
|
void OnLooperStopped(JNIEnv* env, const JavaParamRef<jobject>& obj);
|
|
|
|
// Called from this thread.
|
|
void StopMessageLoopForTesting();
|
|
// Called from this thread.
|
|
void JoinForTesting();
|
|
|
|
// Called from this thread.
|
|
// See comment in JavaHandlerThread.java regarding use of this function.
|
|
void ListenForUncaughtExceptionsForTesting();
|
|
// Called from this thread.
|
|
ScopedJavaLocalRef<jthrowable> GetUncaughtExceptionIfAny();
|
|
|
|
protected:
|
|
// Semantically the same as base::Thread#Init(), but unlike base::Thread the
|
|
// Android Looper will already be running. This Init() call will still run
|
|
// before other tasks are posted to the thread.
|
|
virtual void Init() {}
|
|
|
|
// Semantically the same as base::Thread#CleanUp(), called after the message
|
|
// loop ends. The Android Looper will also have been quit by this point.
|
|
virtual void CleanUp() {}
|
|
|
|
std::unique_ptr<base::MessageLoopForUI> message_loop_;
|
|
|
|
private:
|
|
void StartMessageLoop();
|
|
|
|
void StopOnThread();
|
|
void QuitThreadSafely();
|
|
|
|
const char* name_;
|
|
ScopedJavaGlobalRef<jobject> java_thread_;
|
|
};
|
|
|
|
} // namespace android
|
|
} // namespace base
|
|
|
|
#endif // BASE_ANDROID_JAVA_HANDLER_THREAD_H_
|