[Device Service] Decouple NFC implementation from //content

services/device/device_service.cc

 // 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 "services/device/device_service.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/feature_list.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "device/generic_sensor/sensor_provider_impl.h"
 #include "device/sensors/device_sensor_host.h"
 #include "device/wake_lock/wake_lock_context_provider.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 #include "services/device/fingerprint/fingerprint.h"
 #include "services/device/power_monitor/power_monitor_message_broadcaster.h"
 #include "services/device/public/cpp/device_features.h"
 #include "services/device/public/interfaces/battery_monitor.mojom.h"
 #include "services/device/time_zone_monitor/time_zone_monitor.h"
 #include "services/service_manager/public/cpp/bind_source_info.h"
 #include "ui/gfx/native_widget_types.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/context_utils.h"
 #include "base/android/jni_android.h"
+#include "device/nfc/nfc_provider.mojom.h"
 #include "jni/InterfaceRegistrar_jni.h"
 #include "services/device/android/register_jni.h"
 #include "services/device/screen_orientation/screen_orientation_listener_android.h"
 #else
 #include "services/device/battery/battery_monitor_impl.h"
 #include "services/device/battery/battery_status_service.h"
 #include "services/device/vibration/vibration_manager_impl.h"
 #endif
 
 namespace device {
 
 #if defined(OS_ANDROID)
 std::unique_ptr<service_manager::Service> CreateDeviceService(
     scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
-    const WakeLockContextCallback& wake_lock_context_callback) {
+    const WakeLockContextCallback& wake_lock_context_callback,
+    const base::android::JavaRef<jobject>& java_nfc_delegate) {
   if (!EnsureJniRegistered()) {
     DLOG(ERROR) << "Failed to register JNI for Device Service";
     return nullptr;
   }
 
-  return base::MakeUnique<DeviceService>(std::move(file_task_runner),
-                                         std::move(io_task_runner),
-                                         wake_lock_context_callback);
+  return base::MakeUnique<DeviceService>(
+      std::move(file_task_runner), std::move(io_task_runner),
+      wake_lock_context_callback, java_nfc_delegate);
 }
 #else
 std::unique_ptr<service_manager::Service> CreateDeviceService(
     scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner) {
   return base::MakeUnique<DeviceService>(std::move(file_task_runner),
                                          std::move(io_task_runner));
 }
 #endif
 
 #if defined(OS_ANDROID)
 DeviceService::DeviceService(
     scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
-    const WakeLockContextCallback& wake_lock_context_callback)
-    : java_interface_provider_initialized_(false),
-      file_task_runner_(std::move(file_task_runner)),
+    const WakeLockContextCallback& wake_lock_context_callback,
+    const base::android::JavaRef<jobject>& java_nfc_delegate)
+    : file_task_runner_(std::move(file_task_runner)),
       io_task_runner_(std::move(io_task_runner)),
-      wake_lock_context_callback_(wake_lock_context_callback) {}
+      wake_lock_context_callback_(wake_lock_context_callback),
+      java_interface_provider_initialized_(false) {
+  java_nfc_delegate_.Reset(java_nfc_delegate);
+}
 #else
 DeviceService::DeviceService(
     scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner)
     : file_task_runner_(std::move(file_task_runner)),
       io_task_runner_(std::move(io_task_runner)) {}
 #endif
 
 DeviceService::~DeviceService() {
 #if !defined(OS_ANDROID)
@@ skipping 24 matching lines @@
       &DeviceService::BindTimeZoneMonitorRequest, base::Unretained(this)));
   registry_.AddInterface<mojom::WakeLockContextProvider>(
       base::Bind(&DeviceService::BindWakeLockContextProviderRequest,
                  base::Unretained(this)));
 
 #if defined(OS_ANDROID)
   registry_.AddInterface(GetJavaInterfaceProvider()
                              ->CreateInterfaceFactory<mojom::BatteryMonitor>());
   registry_.AddInterface(
       GetJavaInterfaceProvider()
+          ->CreateInterfaceFactory<nfc::mojom::NFCProvider>());
+  registry_.AddInterface(
+      GetJavaInterfaceProvider()
           ->CreateInterfaceFactory<mojom::VibrationManager>());
 #else
   registry_.AddInterface<mojom::BatteryMonitor>(base::Bind(
       &DeviceService::BindBatteryMonitorRequest, base::Unretained(this)));
+  registry_.AddInterface<nfc::mojom::NFCProvider>(base::Bind(
+      &DeviceService::BindNFCProviderRequest, base::Unretained(this)));
   registry_.AddInterface<mojom::VibrationManager>(base::Bind(
       &DeviceService::BindVibrationManagerRequest, base::Unretained(this)));
 #endif
 }
 
 void DeviceService::OnBindInterface(
     const service_manager::BindSourceInfo& source_info,
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle interface_pipe) {
   registry_.BindInterface(source_info, interface_name,
                           std::move(interface_pipe));
 }
 
 #if !defined(OS_ANDROID)
 void DeviceService::BindBatteryMonitorRequest(
     const service_manager::BindSourceInfo& source_info,
     mojom::BatteryMonitorRequest request) {
   BatteryMonitorImpl::Create(std::move(request));
 }
 
+void DeviceService::BindNFCProviderRequest(
+    const service_manager::BindSourceInfo& source_info,
+    nfc::mojom::NFCProviderRequest request) {
+  LOG(ERROR) << "NFC is only supported on Android";
+  NOTREACHED();
+}
+
 void DeviceService::BindVibrationManagerRequest(
     const service_manager::BindSourceInfo& source_info,
     mojom::VibrationManagerRequest request) {
   VibrationManagerImpl::Create(std::move(request));
 }
 #endif
 
 void DeviceService::BindFingerprintRequest(
     const service_manager::BindSourceInfo& source_info,
     mojom::FingerprintRequest request) {
@@ skipping 100 matching lines @@
                                   wake_lock_context_callback_);
 }
 
 #if defined(OS_ANDROID)
 service_manager::InterfaceProvider* DeviceService::GetJavaInterfaceProvider() {
   if (!java_interface_provider_initialized_) {
     service_manager::mojom::InterfaceProviderPtr provider;
     JNIEnv* env = base::android::AttachCurrentThread();
     Java_InterfaceRegistrar_createInterfaceRegistryForContext(
         env, mojo::MakeRequest(&provider).PassMessagePipe().release().value(),
-        base::android::GetApplicationContext());
+        base::android::GetApplicationContext(), java_nfc_delegate_);
     java_interface_provider_.Bind(std::move(provider));
 
     java_interface_provider_initialized_ = true;
   }
 
   return &java_interface_provider_;
 }
 #endif
 
 }  // namespace device