Decouple bluetooth_event_router from extension_system.

chrome/browser/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_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_
-#define CHROME_BROWSER_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_
-
-#include <map>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_vector.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/extensions/api/bluetooth.h"
-#include "device/bluetooth/bluetooth_adapter.h"
-#include "device/bluetooth/bluetooth_socket.h"
-
-namespace extensions {
-
-class ExtensionBluetoothEventRouter
-    : public device::BluetoothAdapter::Observer {
- public:
-  explicit ExtensionBluetoothEventRouter(Profile* profile);
-  virtual ~ExtensionBluetoothEventRouter();
-
-  // adapter() will return NULL if the bluetooth adapter is not supported in the
-  // current platform.
-  const device::BluetoothAdapter* adapter() const {
-    return adapter_.get();
-  }
-
-  // GetMutableAdapter will return NULL if the bluetooth adapter is not
-  // supported in the current platform.
-  device::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<device::BluetoothSocket> socket);
-
-  // 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<device::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::bluetooth::Device& device);
-
-  // Override from device::BluetoothAdapter::Observer
-  virtual void AdapterPresentChanged(device::BluetoothAdapter* adapter,
-                                     bool present) OVERRIDE;
-  virtual void AdapterPoweredChanged(device::BluetoothAdapter* adapter,
-                                     bool has_power) OVERRIDE;
-  virtual void AdapterDiscoveringChanged(device::BluetoothAdapter* adapter,
-                                         bool discovering) OVERRIDE;
-  virtual void DeviceAdded(device::BluetoothAdapter* adapter,
-                           device::BluetoothDevice* device) OVERRIDE;
-
-  // Exposed for testing.
-  void SetAdapterForTest(device::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<device::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.
-  int next_socket_id_;
-
-  typedef std::map<int, scoped_refptr<device::BluetoothSocket> > SocketMap;
-  SocketMap socket_map_;
-
-  typedef ScopedVector<extensions::api::bluetooth::Device>
-      DeviceList;
-  DeviceList discovered_devices_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionBluetoothEventRouter);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_BLUETOOTH_EVENT_ROUTER_H_