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// Copyright 2015 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 "services/device/usb/usb_service_android.h"
#include <string>
#include <vector>
#include "base/bind.h"
#include "base/containers/contains.h"
#include "base/location.h"
#include "base/task/sequenced_task_runner.h"
#include "components/device_event_log/device_event_log.h"
#include "services/device/usb/jni_headers/ChromeUsbService_jni.h"
#include "services/device/usb/usb_device_android.h"
using base::android::AttachCurrentThread;
using base::android::JavaRef;
using base::android::ScopedJavaLocalRef;
namespace device {
UsbServiceAndroid::UsbServiceAndroid() : UsbService() {
JNIEnv* env = AttachCurrentThread();
j_object_.Reset(
Java_ChromeUsbService_create(env, reinterpret_cast<jlong>(this)));
ScopedJavaLocalRef<jobjectArray> devices =
Java_ChromeUsbService_getDevices(env, j_object_);
for (auto usb_device : devices.ReadElements<jobject>()) {
scoped_refptr<UsbDeviceAndroid> device =
UsbDeviceAndroid::Create(env, weak_factory_.GetWeakPtr(), usb_device);
AddDevice(device);
}
}
UsbServiceAndroid::~UsbServiceAndroid() {
NotifyWillDestroyUsbService();
JNIEnv* env = AttachCurrentThread();
Java_ChromeUsbService_close(env, j_object_);
}
void UsbServiceAndroid::DeviceAttached(JNIEnv* env,
const JavaRef<jobject>& caller,
const JavaRef<jobject>& usb_device) {
scoped_refptr<UsbDeviceAndroid> device =
UsbDeviceAndroid::Create(env, weak_factory_.GetWeakPtr(), usb_device);
AddDevice(device);
NotifyDeviceAdded(device);
}
void UsbServiceAndroid::DeviceDetached(JNIEnv* env,
const JavaRef<jobject>& caller,
jint device_id) {
auto it = devices_by_id_.find(device_id);
if (it == devices_by_id_.end())
return;
scoped_refptr<UsbDeviceAndroid> device = it->second;
devices_by_id_.erase(it);
devices().erase(device->guid());
device->OnDisconnect();
USB_LOG(USER) << "USB device removed: id=" << device->device_id()
<< " guid=" << device->guid();
NotifyDeviceRemoved(device);
}
void UsbServiceAndroid::DevicePermissionRequestComplete(
JNIEnv* env,
const base::android::JavaRef<jobject>& caller,
jint device_id,
jboolean granted) {
const auto it = devices_by_id_.find(device_id);
DCHECK(it != devices_by_id_.end());
it->second->PermissionGranted(env, granted);
}
ScopedJavaLocalRef<jobject> UsbServiceAndroid::OpenDevice(
JNIEnv* env,
const JavaRef<jobject>& wrapper) {
return Java_ChromeUsbService_openDevice(env, j_object_, wrapper);
}
bool UsbServiceAndroid::HasDevicePermission(const JavaRef<jobject>& wrapper) {
return Java_ChromeUsbService_hasDevicePermission(AttachCurrentThread(),
j_object_, wrapper);
}
void UsbServiceAndroid::RequestDevicePermission(
const JavaRef<jobject>& wrapper) {
Java_ChromeUsbService_requestDevicePermission(AttachCurrentThread(),
j_object_, wrapper);
}
void UsbServiceAndroid::AddDevice(scoped_refptr<UsbDeviceAndroid> device) {
DCHECK(!base::Contains(devices_by_id_, device->device_id()));
DCHECK(!base::Contains(devices(), device->guid()));
devices_by_id_[device->device_id()] = device;
devices()[device->guid()] = device;
USB_LOG(USER) << "USB device added: id=" << device->device_id()
<< " vendor=" << device->vendor_id() << " \""
<< device->manufacturer_string()
<< "\", product=" << device->product_id() << " \""
<< device->product_string() << "\", serial=\""
<< device->serial_number() << "\", guid=" << device->guid();
}
} // namespace device
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