1 // Copyright (c) 2012 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.
5 #ifndef CONTENT_RENDERER_MEDIA_RTC_DATA_CHANNEL_HANDLER_H_
6 #define CONTENT_RENDERER_MEDIA_RTC_DATA_CHANNEL_HANDLER_H_
8 #include "base/memory/ref_counted.h"
9 #include "base/threading/non_thread_safe.h"
10 #include "content/common/content_export.h"
11 #include "third_party/libjingle/source/talk/app/webrtc/peerconnectioninterface.h"
12 #include "third_party/WebKit/public/platform/WebRTCDataChannelHandler.h"
13 #include "third_party/WebKit/public/platform/WebRTCDataChannelHandlerClient.h"
17 // RtcDataChannelHandler is a delegate for the RTC PeerConnection DataChannel
18 // API messages going between WebKit and native PeerConnection DataChannels in
19 // libjingle. Instances of this class are owned by WebKit.
20 // WebKit call all of these methods on the main render thread.
21 // Callbacks to the webrtc::DataChannelObserver implementation also occur on
22 // the main render thread.
23 class CONTENT_EXPORT RtcDataChannelHandler
24 : NON_EXPORTED_BASE(public blink::WebRTCDataChannelHandler
),
25 NON_EXPORTED_BASE(public webrtc::DataChannelObserver
),
26 NON_EXPORTED_BASE(public base::NonThreadSafe
) {
28 explicit RtcDataChannelHandler(webrtc::DataChannelInterface
* channel
);
29 virtual ~RtcDataChannelHandler();
31 // blink::WebRTCDataChannelHandler implementation.
32 virtual void setClient(
33 blink::WebRTCDataChannelHandlerClient
* client
) OVERRIDE
;
34 virtual blink::WebString
label() OVERRIDE
;
35 virtual bool isReliable() OVERRIDE
;
36 virtual bool ordered() const OVERRIDE
;
37 virtual unsigned short maxRetransmitTime() const OVERRIDE
;
38 virtual unsigned short maxRetransmits() const OVERRIDE
;
39 virtual blink::WebString
protocol() const OVERRIDE
;
40 virtual bool negotiated() const OVERRIDE
;
41 virtual unsigned short id() const OVERRIDE
;
42 virtual unsigned long bufferedAmount() OVERRIDE
;
43 virtual bool sendStringData(const blink::WebString
& data
) OVERRIDE
;
44 virtual bool sendRawData(const char* data
, size_t length
) OVERRIDE
;
45 virtual void close() OVERRIDE
;
47 // webrtc::DataChannelObserver implementation.
48 virtual void OnStateChange() OVERRIDE
;
49 virtual void OnMessage(const webrtc::DataBuffer
& buffer
) OVERRIDE
;
52 void RecordMessageSent(size_t num_bytes
);
54 scoped_refptr
<webrtc::DataChannelInterface
> channel_
;
55 blink::WebRTCDataChannelHandlerClient
* webkit_client_
;
58 } // namespace content
60 #endif // CONTENT_RENDERER_MEDIA_RTC_DATA_CHANNEL_HANDLER_H_