| // Copyright 2014 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 EXTENSIONS_BROWSER_API_SOCKETS_UDP_UDP_SOCKET_EVENT_DISPATCHER_H_ |
| #define EXTENSIONS_BROWSER_API_SOCKETS_UDP_UDP_SOCKET_EVENT_DISPATCHER_H_ |
| |
| #include "extensions/browser/api/api_resource_manager.h" |
| #include "extensions/browser/api/sockets_udp/sockets_udp_api.h" |
| |
| namespace content { |
| class BrowserContext; |
| } |
| |
| namespace extensions { |
| struct Event; |
| class ResumableUDPSocket; |
| } |
| |
| namespace extensions { |
| namespace core_api { |
| |
| // Dispatch events related to "sockets.udp" sockets from callback on native |
| // socket instances. There is one instance per profile. |
| class UDPSocketEventDispatcher |
| : public BrowserContextKeyedAPI, |
| public base::SupportsWeakPtr<UDPSocketEventDispatcher> { |
| public: |
| explicit UDPSocketEventDispatcher(content::BrowserContext* context); |
| ~UDPSocketEventDispatcher() override; |
| |
| // Socket is active, start receving from it. |
| void OnSocketBind(const std::string& extension_id, int socket_id); |
| |
| // Socket is active again, start receiving data from it. |
| void OnSocketResume(const std::string& extension_id, int socket_id); |
| |
| // BrowserContextKeyedAPI implementation. |
| static BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>* |
| GetFactoryInstance(); |
| |
| // Convenience method to get the SocketEventDispatcher for a profile. |
| static UDPSocketEventDispatcher* Get(content::BrowserContext* context); |
| |
| private: |
| typedef ApiResourceManager<ResumableUDPSocket>::ApiResourceData SocketData; |
| friend class BrowserContextKeyedAPIFactory<UDPSocketEventDispatcher>; |
| // BrowserContextKeyedAPI implementation. |
| static const char* service_name() { return "UDPSocketEventDispatcher"; } |
| static const bool kServiceHasOwnInstanceInIncognito = true; |
| static const bool kServiceIsNULLWhileTesting = true; |
| |
| // base::Bind supports methods with up to 6 parameters. ReceiveParams is used |
| // as a workaround that limitation for invoking StartReceive. |
| struct ReceiveParams { |
| ReceiveParams(); |
| ~ReceiveParams(); |
| |
| content::BrowserThread::ID thread_id; |
| void* browser_context_id; |
| std::string extension_id; |
| scoped_refptr<SocketData> sockets; |
| int socket_id; |
| }; |
| |
| // Start a receive and register a callback. |
| static void StartReceive(const ReceiveParams& params); |
| |
| // Called when socket receive data. |
| static void ReceiveCallback(const ReceiveParams& params, |
| int bytes_read, |
| scoped_refptr<net::IOBuffer> io_buffer, |
| const std::string& address, |
| int port); |
| |
| // Post an extension event from IO to UI thread |
| static void PostEvent(const ReceiveParams& params, scoped_ptr<Event> event); |
| |
| // Dispatch an extension event on to EventRouter instance on UI thread. |
| static void DispatchEvent(void* browser_context_id, |
| const std::string& extension_id, |
| scoped_ptr<Event> event); |
| |
| // Usually IO thread (except for unit testing). |
| content::BrowserThread::ID thread_id_; |
| content::BrowserContext* const browser_context_; |
| scoped_refptr<SocketData> sockets_; |
| }; |
| |
| } // namespace core_api |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_BROWSER_API_SOCKETS_UDP_UDP_SOCKET_EVENT_DISPATCHER_H_ |