Revert 262175 "* Replace "read" method with onReceiveXxx events."

trunk/src/chrome/browser/extensions/api/bluetooth/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_API_BLUETOOTH_BLUETOOTH_EVENT_ROUTER_H_
 #define CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EVENT_ROUTER_H_
 
 #include <map>
 
 #include "base/callback_forward.h"
@@ skipping 31 matching lines @@
   explicit BluetoothEventRouter(content::BrowserContext* context);
   virtual ~BluetoothEventRouter();
 
   // Returns true if adapter_ has been initialized for testing or bluetooth
   // adapter is available for the current platform.
   bool IsBluetoothSupported() const;
 
   void GetAdapter(
       const device::BluetoothAdapterFactory::AdapterCallback& callback);
 
+  // Register the BluetoothSocket |socket| for use by the extensions system.
+  // This class will hold onto the socket for its lifetime until
+  // ReleaseSocket is called for the socket, or until the extension associated
+  // with the socket is disabled/ reloaded. Returns an id for the socket.
+  int RegisterSocket(const std::string& extension_id,
+                     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);
+
   // Add the BluetoothProfile |bluetooth_profile| for use by the extension
   // system. This class will hold onto the profile until RemoveProfile is
   // called for the profile, or until the extension that added the profile
   // is disabled/reloaded.
   void AddProfile(const device::BluetoothUUID& uuid,
                   const std::string& extension_id,
                   device::BluetoothProfile* bluetooth_profile);
 
   // Unregister the BluetoothProfile corersponding to |uuid| and release the
   // object from this class.
@@ skipping 19 matching lines @@
   // extension.
   void StopDiscoverySession(device::BluetoothAdapter* adapter,
                             const std::string& extension_id,
                             const base::Closure& callback,
                             const base::Closure& error_callback);
 
   // Returns the BluetoothProfile that corresponds to |uuid|. It returns NULL
   // if the BluetoothProfile with |uuid| does not exist.
   device::BluetoothProfile* GetProfile(const device::BluetoothUUID& uuid) const;
 
+  // Get the BluetoothSocket corresponding to |id|.
+  scoped_refptr<device::BluetoothSocket> GetSocket(int id);
+
+  // Dispatch an event that takes a connection socket as a parameter to the
+  // extension that registered the profile that the socket has connected to.
+  void DispatchConnectionEvent(const std::string& extension_id,
+                               const device::BluetoothUUID& uuid,
+                               const device::BluetoothDevice* device,
+                               scoped_refptr<device::BluetoothSocket> socket);
+
   // Called when a bluetooth event listener is added.
   void OnListenerAdded();
 
   // Called when a bluetooth event listener is removed.
   void OnListenerRemoved();
 
   // Adds a pairing delegate for an extension.
   void AddPairingDelegate(const std::string& extension_id);
 
   // Removes the pairing delegate for an extension.
@@ skipping 49 matching lines @@
   void OnStartDiscoverySession(
       const std::string& extension_id,
       const base::Closure& callback,
       scoped_ptr<device::BluetoothDiscoverySession> discovery_session);
 
   content::BrowserContext* browser_context_;
   scoped_refptr<device::BluetoothAdapter> adapter_;
 
   int num_event_listeners_;
 
+  // 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, ExtensionBluetoothSocketRecord> SocketMap;
+  SocketMap socket_map_;
+
   // Maps uuids to a struct containing a Bluetooth profile and its
   // associated extension id.
   typedef std::map<device::BluetoothUUID, ExtensionBluetoothProfileRecord>
       BluetoothProfileMap;
   BluetoothProfileMap bluetooth_profile_map_;
 
   // A map that maps extension ids to BluetoothDiscoverySession pointers.
   typedef std::map<std::string, device::BluetoothDiscoverySession*>
       DiscoverySessionMap;
   DiscoverySessionMap discovery_session_map_;
 
   // Maps an extension id to its pairing delegate.
   typedef std::map<std::string, BluetoothApiPairingDelegate*>
       PairingDelegateMap;
   PairingDelegateMap pairing_delegate_map_;
 
   content::NotificationRegistrar registrar_;
 
   base::WeakPtrFactory<BluetoothEventRouter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothEventRouter);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EVENT_ROUTER_H_