Refactoring bluetooth API code.

chrome/browser/chromeos/extensions/bluetooth_event_router.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h"
 #include "chrome/browser/chromeos/bluetooth/bluetooth_socket.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/experimental_bluetooth.h"
 
 namespace chromeos {
 
+class BluetoothDevice;
+
 class ExtensionBluetoothEventRouter
     : public chromeos::BluetoothAdapter::Observer {
  public:
   explicit ExtensionBluetoothEventRouter(Profile* profile);
   virtual ~ExtensionBluetoothEventRouter();
 
-  const chromeos::BluetoothAdapter& adapter() const { return *adapter_.get(); }
+  const chromeos::BluetoothAdapter& adapter() const {
+    return *adapter_.get();
+  }
 
   // GetMutableAdapter will never return NULL.
-  chromeos::BluetoothAdapter* GetMutableAdapter() { return adapter_.get(); }
+  chromeos::BluetoothAdapter* GetMutableAdapter() {
+    return adapter_.get();
+  }
 
   // Register the BluetoothSocket |socket| for use by the extensions system.
   // This class will hold onto the socket for its lifetime, or until
   // ReleaseSocket is called for the socket.  Returns an id for the socket.
   int RegisterSocket(scoped_refptr<BluetoothSocket> socket);
 
-  // Release the BluetoothSocket corresponding to |id|.  Returns true if
-  // the socket was found and released, false otherwise.
+  // Release the BluetoothSocket corresponding to |id|.  Returns true if the
+  // socket was found and released, false otherwise.
   bool ReleaseSocket(int id);
 
   // Get the BluetoothSocket corresponding to |id|.
   scoped_refptr<BluetoothSocket> GetSocket(int id);
 
   // Sets whether this Profile is responsible for the discovering state of the
   // adapter.
   void SetResponsibleForDiscovery(bool responsible);
   bool IsResponsibleForDiscovery() const;
 
   // Sets whether or not DeviceAdded events will be dispatched to extensions.
   void SetSendDiscoveryEvents(bool should_send);
 
   // Dispatch an event that takes a device as a parameter to all renderers.
   void DispatchDeviceEvent(
       const char* event_name,
       const extensions::api::experimental_bluetooth::Device& device);
 
   // Override from chromeos::BluetoothAdapter::Observer
-  virtual void AdapterPresentChanged(chromeos::BluetoothAdapter* adapter,
-                                     bool present) OVERRIDE;
-  virtual void AdapterPoweredChanged(chromeos::BluetoothAdapter* adapter,
-                                     bool has_power) OVERRIDE;
-  virtual void AdapterDiscoveringChanged(chromeos::BluetoothAdapter* adapter,
-                                         bool discovering) OVERRIDE;
-  virtual void DeviceAdded(chromeos::BluetoothAdapter* adapter,
-                           chromeos::BluetoothDevice* device) OVERRIDE;
+  virtual void AdapterPresentChanged(
+      chromeos::BluetoothAdapter* adapter, bool present) OVERRIDE;
+  virtual void AdapterPoweredChanged(
+      chromeos::BluetoothAdapter* adapter, bool has_power) OVERRIDE;
+  virtual void AdapterDiscoveringChanged(
+      chromeos::BluetoothAdapter* adapter, bool discovering) OVERRIDE;
+  virtual void DeviceAdded(BluetoothAdapter* adapter,
+                           BluetoothDevice* device) OVERRIDE;
+
+  virtual void DeviceChanged(BluetoothAdapter* adapter,
+                             BluetoothDevice* device) OVERRIDE;
+
+  virtual void DeviceRemoved(BluetoothAdapter* adapter,
+                             BluetoothDevice* device) OVERRIDE;
 
   // Exposed for testing.
   void SetAdapterForTest(chromeos::BluetoothAdapter* adapter) {
     adapter_ = adapter;
   }
  private:
   void DispatchBooleanValueEvent(const char* event_name, bool value);
 
   bool send_discovery_events_;
   bool responsible_for_discovery_;
 
   Profile* profile_;
   scoped_refptr<chromeos::BluetoothAdapter> adapter_;
 
-  // The next id to use for referring to a BluetoothSocket.  We avoid using
-  // the fd of the socket because we don't want to leak that information to
-  // the extension javascript.
+  // The next id to use for referring to a BluetoothSocket.  We avoid using the
+  // fd of the socket because we don't want to leak that information to the
+  // extension javascript.
   int next_socket_id_;
 
   typedef std::map<int, scoped_refptr<BluetoothSocket> > SocketMap;
   SocketMap socket_map_;
 
   typedef ScopedVector<extensions::api::experimental_bluetooth::Device>
       DeviceList;
   DeviceList discovered_devices_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionBluetoothEventRouter);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_