Home | History | Annotate | Download | only in extensions 
      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 "chrome/renderer/extensions/object_backed_native_handler.h"
     13 #include "chrome/renderer/extensions/scoped_persistent.h"
     14 #include "v8/include/v8.h"
     15 
     16 class CastRtpStream;
     17 class CastUdpTransport;
     18 
     19 namespace extensions {
     20 
     21 class ChromeV8Context;
     22 
     23 // Native code that handle chrome.webrtc custom bindings.
     24 class CastStreamingNativeHandler : public ObjectBackedNativeHandler {
     25  public:
     26   explicit CastStreamingNativeHandler(ChromeV8Context* context);
     27   virtual ~CastStreamingNativeHandler();
     28 
     29  private:
     30   void CreateCastSession(
     31       const v8::FunctionCallbackInfo<v8::Value>& args);
     32 
     33   void DestroyCastRtpStream(
     34       const v8::FunctionCallbackInfo<v8::Value>& args);
     35   void CreateParamsCastRtpStream(
     36       const v8::FunctionCallbackInfo<v8::Value>& args);
     37   void GetCapsCastRtpStream(
     38       const v8::FunctionCallbackInfo<v8::Value>& args);
     39   void StartCastRtpStream(
     40       const v8::FunctionCallbackInfo<v8::Value>& args);
     41   void StopCastRtpStream(
     42       const v8::FunctionCallbackInfo<v8::Value>& args);
     43 
     44   void DestroyCastUdpTransport(
     45       const v8::FunctionCallbackInfo<v8::Value>& args);
     46   void StartCastUdpTransport(
     47       const v8::FunctionCallbackInfo<v8::Value>& args);
     48   void StopCastUdpTransport(
     49       const v8::FunctionCallbackInfo<v8::Value>& args);
     50 
     51   // Helper method to call the v8 callback function after a session is
     52   // created.
     53   void CallCreateCallback(scoped_ptr<CastRtpStream> stream1,
     54                           scoped_ptr<CastRtpStream> stream2,
     55                           scoped_ptr<CastUdpTransport> udp_transport);
     56 
     57   // Gets the RTP stream or UDP transport indexed by an ID.
     58   // If not found, returns NULL and throws a V8 exception.
     59   CastRtpStream* GetRtpStreamOrThrow(int stream_id) const;
     60   CastUdpTransport* GetUdpTransportOrThrow(int transport_id) const;
     61 
     62   int last_transport_id_;
     63 
     64   typedef std::map<int, linked_ptr<CastRtpStream> > RtpStreamMap;
     65   RtpStreamMap rtp_stream_map_;
     66 
     67   typedef std::map<int, linked_ptr<CastUdpTransport> > UdpTransportMap;
     68   UdpTransportMap udp_transport_map_;
     69 
     70   base::WeakPtrFactory<CastStreamingNativeHandler> weak_factory_;
     71 
     72   extensions::ScopedPersistent<v8::Function> create_callback_;
     73 
     74   DISALLOW_COPY_AND_ASSIGN(CastStreamingNativeHandler);
     75 };
     76 
     77 }  // namespace extensions
     78 
     79 #endif  // CHROME_RENDERER_EXTENSIONS_CAST_STREAMING_NATIVE_HANDLER_H_
     80