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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_SOCKET_BLUETOOTH_SOCKET_EVENT_DI
SPATCHER_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_SOCKET_BLUETOOTH_SOCKET_EVENT_DI
SPATCHER_H_ | |
| 7 | |
| 8 #include "chrome/browser/extensions/api/bluetooth_socket/bluetooth_api_socket.h" | |
| 9 #include "extensions/browser/api/api_resource_manager.h" | |
| 10 #include "extensions/browser/browser_context_keyed_api_factory.h" | |
| 11 | |
| 12 namespace content { | |
| 13 class BrowserContext; | |
| 14 } | |
| 15 | |
| 16 namespace device { | |
| 17 class BluetoothDevice; | |
| 18 class BluetoothSocket; | |
| 19 } | |
| 20 | |
| 21 namespace extensions { | |
| 22 struct Event; | |
| 23 class BluetoothApiSocket; | |
| 24 } | |
| 25 | |
| 26 namespace extensions { | |
| 27 namespace api { | |
| 28 | |
| 29 // Dispatch events related to "bluetooth" sockets from callback on native socket | |
| 30 // instances. There is one instance per browser context. | |
| 31 class BluetoothSocketEventDispatcher | |
| 32 : public BrowserContextKeyedAPI, | |
| 33 public base::SupportsWeakPtr<BluetoothSocketEventDispatcher> { | |
| 34 public: | |
| 35 explicit BluetoothSocketEventDispatcher(content::BrowserContext* context); | |
| 36 virtual ~BluetoothSocketEventDispatcher(); | |
| 37 | |
| 38 // Socket is active, start receiving data from it. | |
| 39 void OnSocketConnect(const std::string& extension_id, int socket_id); | |
| 40 | |
| 41 // Socket is active again, start accepting connections from it. | |
| 42 void OnSocketListen(const std::string& extension_id, int socket_id); | |
| 43 | |
| 44 // Socket is active again, start receiving data from it. | |
| 45 void OnSocketResume(const std::string& extension_id, int socket_id); | |
| 46 | |
| 47 // BrowserContextKeyedAPI implementation. | |
| 48 static BrowserContextKeyedAPIFactory<BluetoothSocketEventDispatcher>* | |
| 49 GetFactoryInstance(); | |
| 50 | |
| 51 // Convenience method to get the SocketEventDispatcher for a profile. | |
| 52 static BluetoothSocketEventDispatcher* Get(content::BrowserContext* context); | |
| 53 | |
| 54 private: | |
| 55 typedef ApiResourceManager<BluetoothApiSocket>::ApiResourceData SocketData; | |
| 56 friend class BrowserContextKeyedAPIFactory<BluetoothSocketEventDispatcher>; | |
| 57 // BrowserContextKeyedAPI implementation. | |
| 58 static const char* service_name() { return "BluetoothSocketEventDispatcher"; } | |
| 59 static const bool kServiceHasOwnInstanceInIncognito = true; | |
| 60 static const bool kServiceIsNULLWhileTesting = true; | |
| 61 | |
| 62 // base::Bind supports methods with up to 6 parameters. SocketParams is used | |
| 63 // as a workaround that limitation for invoking StartReceive() and | |
| 64 // StartAccept(). | |
| 65 struct SocketParams { | |
| 66 SocketParams(); | |
| 67 ~SocketParams(); | |
| 68 | |
| 69 content::BrowserThread::ID thread_id; | |
| 70 void* browser_context_id; | |
| 71 std::string extension_id; | |
| 72 scoped_refptr<SocketData> sockets; | |
| 73 int socket_id; | |
| 74 }; | |
| 75 | |
| 76 // Start a receive and register a callback. | |
| 77 static void StartReceive(const SocketParams& params); | |
| 78 | |
| 79 // Called when socket receive data. | |
| 80 static void ReceiveCallback(const SocketParams& params, | |
| 81 int bytes_read, | |
| 82 scoped_refptr<net::IOBuffer> io_buffer); | |
| 83 | |
| 84 // Called when socket receive data. | |
| 85 static void ReceiveErrorCallback(const SocketParams& params, | |
| 86 BluetoothApiSocket::ErrorReason error_reason, | |
| 87 const std::string& error); | |
| 88 | |
| 89 // Start an accept and register a callback. | |
| 90 static void StartAccept(const SocketParams& params); | |
| 91 | |
| 92 // Called when socket accepts a client connection. | |
| 93 static void AcceptCallback(const SocketParams& params, | |
| 94 const device::BluetoothDevice* device, | |
| 95 scoped_refptr<device::BluetoothSocket> socket); | |
| 96 | |
| 97 // Called when socket encounters an error while accepting a client connection. | |
| 98 static void AcceptErrorCallback(const SocketParams& params, | |
| 99 BluetoothApiSocket::ErrorReason error_reason, | |
| 100 const std::string& error); | |
| 101 | |
| 102 // Post an extension event from IO to UI thread | |
| 103 static void PostEvent(const SocketParams& params, scoped_ptr<Event> event); | |
| 104 | |
| 105 // Dispatch an extension event on to EventRouter instance on UI thread. | |
| 106 static void DispatchEvent(void* browser_context_id, | |
| 107 const std::string& extension_id, | |
| 108 scoped_ptr<Event> event); | |
| 109 | |
| 110 // Usually FILE thread (except for unit testing). | |
| 111 content::BrowserThread::ID thread_id_; | |
| 112 content::BrowserContext* const browser_context_; | |
| 113 scoped_refptr<SocketData> sockets_; | |
| 114 }; | |
| 115 | |
| 116 } // namespace api | |
| 117 } // namespace extensions | |
| 118 | |
| 119 #endif // CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_SOCKET_BLUETOOTH_SOCKET_EVENT
_DISPATCHER_H_ | |
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