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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 "device/usb/usb_service_android.h"
#include <string>
#include <vector>
#include "base/android/context_utils.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/thread_task_runner_handle.h"
#include "device/usb/usb_device_android.h"
#include "jni/ChromeUsbService_jni.h"
using base::android::AttachCurrentThread;
using base::android::ScopedJavaLocalRef;
namespace device {
// static
bool UsbServiceAndroid::RegisterJNI(JNIEnv* env) {
return RegisterNativesImpl(env); // Generated in ChromeUsbService_jni.h
}
UsbServiceAndroid::UsbServiceAndroid() {
j_object_.Reset(Java_ChromeUsbService_create(
AttachCurrentThread(), base::android::GetApplicationContext()));
}
UsbServiceAndroid::~UsbServiceAndroid() {}
scoped_refptr<UsbDevice> UsbServiceAndroid::GetDevice(const std::string& guid) {
return nullptr;
}
void UsbServiceAndroid::GetDevices(const GetDevicesCallback& callback) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobjectArray> devices =
Java_ChromeUsbService_getDevices(env, j_object_.obj());
jsize length = env->GetArrayLength(devices.obj());
std::vector<scoped_refptr<UsbDevice>> results;
for (jsize i = 0; i < length; ++i) {
ScopedJavaLocalRef<jobject> raw_device(
env, env->GetObjectArrayElement(devices.obj(), i));
results.push_back(UsbDeviceAndroid::Create(env, raw_device));
}
base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
base::Bind(callback, results));
}
} // namespace device
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