Decouple bluetooth_event_router from extension_system.

chrome/browser/extensions/api/bluetooth/bluetooth_api.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/api/bluetooth/bluetooth_api.h"
 
 #if defined(OS_CHROMEOS)
 #include <errno.h>
 #endif
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
+#include "chrome/browser/extensions/api/bluetooth/bluetooth_api_factory.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_api_utils.h"
-#include "chrome/browser/extensions/bluetooth_event_router.h"
+#include "chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h"
 #include "chrome/browser/extensions/event_names.h"
 #include "chrome/browser/extensions/event_router.h"
-#include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/bluetooth.h"
 #include "content/public/browser/browser_thread.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_out_of_band_pairing_data.h"
 #include "device/bluetooth/bluetooth_service_record.h"
 #include "device/bluetooth/bluetooth_socket.h"
 #include "device/bluetooth/bluetooth_utils.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/safe_strerror_posix.h"
 #endif
 
 using device::BluetoothAdapter;
 using device::BluetoothDevice;
 using device::BluetoothServiceRecord;
 using device::BluetoothSocket;
 
 namespace {
 
 extensions::ExtensionBluetoothEventRouter* GetEventRouter(Profile* profile) {
-  return profile->GetExtensionService()->bluetooth_event_router();
+  return extensions::BluetoothAPI::Get(profile)->bluetooth_event_router();
 }
 
 const BluetoothAdapter* GetAdapter(Profile* profile) {
   return GetEventRouter(profile)->adapter();
 }
 
 BluetoothAdapter* GetMutableAdapter(Profile* profile) {
-  BluetoothAdapter* adapter = GetEventRouter(profile)->GetMutableAdapter();
-  return adapter;
+  return GetEventRouter(profile)->GetMutableAdapter();
 }
 
 bool IsBluetoothSupported(Profile* profile) {
   return GetAdapter(profile) != NULL;
 }
 
 }  // namespace
 
 namespace {
 
@@ skipping 16 matching lines @@
 namespace Connect = extensions::api::bluetooth::Connect;
 namespace Disconnect = extensions::api::bluetooth::Disconnect;
 namespace GetDevices = extensions::api::bluetooth::GetDevices;
 namespace GetServices = extensions::api::bluetooth::GetServices;
 namespace Read = extensions::api::bluetooth::Read;
 namespace SetOutOfBandPairingData =
     extensions::api::bluetooth::SetOutOfBandPairingData;
 namespace Write = extensions::api::bluetooth::Write;
 
 namespace extensions {
+
+// static
+BluetoothAPI* BluetoothAPI::Get(Profile* profile) {
+  return BluetoothAPIFactory::GetForProfile(profile);
+}
+
+BluetoothAPI::BluetoothAPI(Profile* profile) : profile_(profile) {
+  ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
+      this, extensions::event_names::kBluetoothOnAvailabilityChanged);
+  ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
+      this, extensions::event_names::kBluetoothOnPowerChanged);
+  ExtensionSystem::Get(profile_)->event_router()->RegisterObserver(
+      this, extensions::event_names::kBluetoothOnDiscoveringChanged);
+}
+
+BluetoothAPI::~BluetoothAPI() {
+}
+
+ExtensionBluetoothEventRouter* BluetoothAPI::bluetooth_event_router() {
+  if (!bluetooth_event_router_)
+    bluetooth_event_router_.reset(new ExtensionBluetoothEventRouter(profile_));
+
+  return bluetooth_event_router_.get();
+}
+
+void BluetoothAPI::Shutdown() {
+  ExtensionSystem::Get(profile_)->event_router()->UnregisterObserver(this);
+}
+
+void BluetoothAPI::OnListenerAdded(const std::string& event_name) {
+  bluetooth_event_router()->OnListenerAdded();
+}
+
+void BluetoothAPI::OnListenerRemoved(const std::string& event_name) {
+  bluetooth_event_router()->OnListenerRemoved();
+}
+
 namespace api {
 
 bool BluetoothIsAvailableFunction::RunImpl() {
   if (!IsBluetoothSupported(profile())) {
     SetError(kPlatformNotSupported);
     return false;
   }
 
   SetResult(Value::CreateBooleanValue(GetAdapter(profile())->IsPresent()));
   return true;
@@ skipping 506 matching lines @@
   if (GetEventRouter(profile())->IsResponsibleForDiscovery()) {
     GetMutableAdapter(profile())->SetDiscovering(false,
         base::Bind(&BluetoothStopDiscoveryFunction::OnSuccessCallback, this),
         base::Bind(&BluetoothStopDiscoveryFunction::OnErrorCallback, this));
   }
   return true;
 }
 
 }  // namespace api
 }  // namespace extensions