blob: c48557096eb5cbe589cb5b665d67f0c5313cdb26 [file] [log] [blame]
// Copyright 2016 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.
#include "device/usb/usb_device_handle_android.h"
#include "base/bind.h"
#include "base/location.h"
#include "device/usb/usb_device.h"
#include "device/usb/usb_service.h"
#include "jni/ChromeUsbConnection_jni.h"
using base::android::ScopedJavaLocalRef;
namespace device {
// static
scoped_refptr<UsbDeviceHandleAndroid> UsbDeviceHandleAndroid::Create(
JNIEnv* env,
scoped_refptr<UsbDevice> device,
const base::android::JavaRef<jobject>& usb_connection) {
ScopedJavaLocalRef<jobject> wrapper =
Java_ChromeUsbConnection_create(env, usb_connection);
// C++ doesn't own this file descriptor so CloseBlocking() is overridden
// below to release it without closing it.
base::ScopedFD fd(Java_ChromeUsbConnection_getFileDescriptor(env, wrapper));
return base::WrapRefCounted(
new UsbDeviceHandleAndroid(device, std::move(fd), wrapper));
}
UsbDeviceHandleAndroid::UsbDeviceHandleAndroid(
scoped_refptr<UsbDevice> device,
base::ScopedFD fd,
const base::android::JavaRef<jobject>& wrapper)
: UsbDeviceHandleUsbfs(device,
std::move(fd),
UsbService::CreateBlockingTaskRunner()),
j_object_(wrapper) {}
UsbDeviceHandleAndroid::~UsbDeviceHandleAndroid() {}
void UsbDeviceHandleAndroid::CloseBlocking() {
ReleaseFileDescriptor();
task_runner()->PostTask(
FROM_HERE,
base::BindOnce(&UsbDeviceHandleAndroid::CloseConnection, this));
}
void UsbDeviceHandleAndroid::CloseConnection() {
JNIEnv* env = base::android::AttachCurrentThread();
Java_ChromeUsbConnection_close(env, j_object_);
j_object_.Reset();
}
} // namespace device