Adding JSEP PeerConnection glue - attempt 2

content/renderer/media/peer_connection_handler_jsep.h

+// Copyright (c) 2012 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 CONTENT_RENDERER_MEDIA_PEER_CONNECTION_HANDLER_JSEP_H_
+#define CONTENT_RENDERER_MEDIA_PEER_CONNECTION_HANDLER_JSEP_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/gtest_prod_util.h"
+#include "content/common/content_export.h"
+#include "content/renderer/media/peer_connection_handler_base.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebPeerConnection00Handler.h"
+
+// PeerConnectionHandlerJsep is a delegate for the JSEP PeerConnection API
+// messages going between WebKit and native PeerConnection in libjingle. It's
+// owned by WebKit.
+class CONTENT_EXPORT PeerConnectionHandlerJsep
+    : public PeerConnectionHandlerBase,
+      NON_EXPORTED_BASE(public WebKit::WebPeerConnection00Handler) {
+ public:
+  PeerConnectionHandlerJsep(
+      WebKit::WebPeerConnection00HandlerClient* client,
+      MediaStreamImpl* msi,
+      MediaStreamDependencyFactory* dependency_factory);
+  virtual ~PeerConnectionHandlerJsep();
+
+  // WebKit::WebPeerConnection00Handler implementation
+  virtual void initialize(
+      const WebKit::WebString& server_configuration,
+      const WebKit::WebString& username) OVERRIDE;
+  virtual WebKit::WebSessionDescriptionDescriptor createOffer(
+      const WebKit::WebMediaHints& hints) OVERRIDE;
+  virtual WebKit::WebSessionDescriptionDescriptor createAnswer(
+      const WebKit::WebString& offer,
+      const WebKit::WebMediaHints& hints) OVERRIDE;
+  virtual bool setLocalDescription(
+      Action action,
+      const WebKit::WebSessionDescriptionDescriptor& description) OVERRIDE;
+  virtual bool setRemoteDescription(
+      Action action,
+      const WebKit::WebSessionDescriptionDescriptor& description) OVERRIDE;
+  virtual WebKit::WebSessionDescriptionDescriptor localDescription() OVERRIDE;
+  virtual WebKit::WebSessionDescriptionDescriptor remoteDescription() OVERRIDE;
+  virtual bool startIce(const WebKit::WebICEOptions& options) OVERRIDE;
+  virtual bool processIceMessage(
+      const WebKit::WebICECandidateDescriptor& candidate) OVERRIDE;
+  virtual void addStream(
+      const WebKit::WebMediaStreamDescriptor& stream) OVERRIDE;
+  virtual void removeStream(
+      const WebKit::WebMediaStreamDescriptor& stream) OVERRIDE;
+  // We will be deleted by WebKit after stop has been returned.
+  virtual void stop() OVERRIDE;
+
+  // webrtc::PeerConnectionObserver implementation
+  virtual void OnError() OVERRIDE;
+  virtual void OnMessage(const std::string& msg) OVERRIDE;
+  virtual void OnSignalingMessage(const std::string& msg) OVERRIDE;
+  virtual void OnStateChange(StateType state_changed) OVERRIDE;
+  virtual void OnAddStream(webrtc::MediaStreamInterface* stream) OVERRIDE;
+  virtual void OnRemoveStream(webrtc::MediaStreamInterface* stream) OVERRIDE;
+  virtual void OnIceCandidate(
+      const webrtc::IceCandidateInterface* candidate) OVERRIDE;
+  virtual void OnIceComplete() OVERRIDE;
+
+ private:
+  FRIEND_TEST_ALL_PREFIXES(PeerConnectionHandlerJsepTest, Basic);
+
+  webrtc::SessionDescriptionInterface* CreateNativeSessionDescription(
+      const WebKit::WebSessionDescriptionDescriptor& description);
+  WebKit::WebSessionDescriptionDescriptor CreateWebKitSessionDescription(
+      const webrtc::SessionDescriptionInterface* native_desc);
+  bool GetNativeAction(
+      const Action action,
+      webrtc::PeerConnectionInterface::Action* native_action);
+
+  // client_ is a weak pointer, and is valid until stop() has returned.
+  WebKit::WebPeerConnection00HandlerClient* client_;
+
+  DISALLOW_COPY_AND_ASSIGN(PeerConnectionHandlerJsep);
+};
+
+#endif  // CONTENT_RENDERER_MEDIA_PEER_CONNECTION_HANDLER_JSEP_H_