1 // Copyright 2013 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_RENDERER_EXTENSIONS_CAST_STREAMING_NATIVE_HANDLER_H_ 6 #define CHROME_RENDERER_EXTENSIONS_CAST_STREAMING_NATIVE_HANDLER_H_ 7 8 #include <map> 9 10 #include "base/memory/linked_ptr.h" 11 #include "base/memory/weak_ptr.h" 12 #include "extensions/renderer/object_backed_native_handler.h" 13 #include "extensions/renderer/scoped_persistent.h" 14 #include "v8/include/v8.h" 15 16 class CastRtpStream; 17 class CastUdpTransport; 18 19 namespace base { 20 class BinaryValue; 21 class DictionaryValue; 22 } 23 24 namespace extensions { 25 26 // Native code that handle chrome.webrtc custom bindings. 27 class CastStreamingNativeHandler : public ObjectBackedNativeHandler { 28 public: 29 explicit CastStreamingNativeHandler(ScriptContext* context); 30 virtual ~CastStreamingNativeHandler(); 31 32 private: 33 void CreateCastSession( 34 const v8::FunctionCallbackInfo<v8::Value>& args); 35 36 void DestroyCastRtpStream( 37 const v8::FunctionCallbackInfo<v8::Value>& args); 38 void CreateParamsCastRtpStream( 39 const v8::FunctionCallbackInfo<v8::Value>& args); 40 void GetSupportedParamsCastRtpStream( 41 const v8::FunctionCallbackInfo<v8::Value>& args); 42 void StartCastRtpStream( 43 const v8::FunctionCallbackInfo<v8::Value>& args); 44 void StopCastRtpStream( 45 const v8::FunctionCallbackInfo<v8::Value>& args); 46 47 void DestroyCastUdpTransport( 48 const v8::FunctionCallbackInfo<v8::Value>& args); 49 void SetDestinationCastUdpTransport( 50 const v8::FunctionCallbackInfo<v8::Value>& args); 51 void StopCastUdpTransport( 52 const v8::FunctionCallbackInfo<v8::Value>& args); 53 54 void ToggleLogging(const v8::FunctionCallbackInfo<v8::Value>& args); 55 void GetRawEvents(const v8::FunctionCallbackInfo<v8::Value>& args); 56 void GetStats(const v8::FunctionCallbackInfo<v8::Value>& args); 57 58 // Helper method to call the v8 callback function after a session is 59 // created. 60 void CallCreateCallback(scoped_ptr<CastRtpStream> stream1, 61 scoped_ptr<CastRtpStream> stream2, 62 scoped_ptr<CastUdpTransport> udp_transport); 63 64 void CallStartCallback(int stream_id); 65 void CallStopCallback(int stream_id); 66 void CallErrorCallback(int stream_id, const std::string& message); 67 68 void CallGetRawEventsCallback(int transport_id, 69 scoped_ptr<base::BinaryValue> raw_events); 70 void CallGetStatsCallback(int transport_id, 71 scoped_ptr<base::DictionaryValue> stats); 72 73 // Gets the RTP stream or UDP transport indexed by an ID. 74 // If not found, returns NULL and throws a V8 exception. 75 CastRtpStream* GetRtpStreamOrThrow(int stream_id) const; 76 CastUdpTransport* GetUdpTransportOrThrow(int transport_id) const; 77 78 int last_transport_id_; 79 80 typedef std::map<int, linked_ptr<CastRtpStream> > RtpStreamMap; 81 RtpStreamMap rtp_stream_map_; 82 83 typedef std::map<int, linked_ptr<CastUdpTransport> > UdpTransportMap; 84 UdpTransportMap udp_transport_map_; 85 86 base::WeakPtrFactory<CastStreamingNativeHandler> weak_factory_; 87 88 extensions::ScopedPersistent<v8::Function> create_callback_; 89 90 typedef std::map<int, 91 linked_ptr<extensions::ScopedPersistent<v8::Function> > > 92 RtpStreamCallbackMap; 93 RtpStreamCallbackMap get_raw_events_callbacks_; 94 RtpStreamCallbackMap get_stats_callbacks_; 95 96 DISALLOW_COPY_AND_ASSIGN(CastStreamingNativeHandler); 97 }; 98 99 } // namespace extensions 100 101 #endif // CHROME_RENDERER_EXTENSIONS_CAST_STREAMING_NATIVE_HANDLER_H_ 102