chrome/renderer/extensions/cast_streaming_native_handler.h

   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_