Start WebrtcConnectionToHost.

The new class implements input and control channels for
webrtc-based connection. Video and Audio are not supported
yet.

Removed webrtc_connection_to_client_unittest.cc because
WebrtcConnectionToClient is tested by connection_tests.cc.

BUG=547158

Review URL: https://codereview.chromium.org/1540443002

Cr-Commit-Position: refs/heads/master@{#366151}

1 files changed, 86 insertions, 0 deletions

diff --git a/remoting/protocol/webrtc_connection_to_host.h b/remoting/protocol/webrtc_connection_to_host.h
new file mode 100644
index 0000000..046aeae
--- /dev/null
+++ b/remoting/protocol/webrtc_connection_to_host.h
@@ -0,0 +1,86 @@
+// Copyright 2015 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 REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_
+#define REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "remoting/protocol/channel_dispatcher_base.h"
+#include "remoting/protocol/clipboard_filter.h"
+#include "remoting/protocol/connection_to_host.h"
+#include "remoting/protocol/errors.h"
+#include "remoting/protocol/input_filter.h"
+#include "remoting/protocol/session.h"
+
+namespace remoting {
+namespace protocol {
+
+class ClientControlDispatcher;
+class ClientEventDispatcher;
+class SessionConfig;
+
+class WebrtcConnectionToHost : public ConnectionToHost,
+                               public Session::EventHandler,
+                               public ChannelDispatcherBase::EventHandler {
+ public:
+  WebrtcConnectionToHost();
+  ~WebrtcConnectionToHost() override;
+
+  // ConnectionToHost interface.
+  void set_client_stub(ClientStub* client_stub) override;
+  void set_clipboard_stub(ClipboardStub* clipboard_stub) override;
+  void set_video_stub(VideoStub* video_stub) override;
+  void set_audio_stub(AudioStub* audio_stub) override;
+  void Connect(scoped_ptr<Session> session,
+               HostEventCallback* event_callback) override;
+  const SessionConfig& config() override;
+  ClipboardStub* clipboard_forwarder() override;
+  HostStub* host_stub() override;
+  InputStub* input_stub() override;
+  State state() const override;
+
+ private:
+  // Session::EventHandler interface.
+  void OnSessionStateChange(Session::State state) override;
+  void OnSessionRouteChange(const std::string& channel_name,
+                            const TransportRoute& route) override;
+
+  // ChannelDispatcherBase::EventHandler interface.
+  void OnChannelInitialized(ChannelDispatcherBase* channel_dispatcher) override;
+  void OnChannelError(ChannelDispatcherBase* channel_dispatcher,
+                      ErrorCode error) override;
+
+  void NotifyIfChannelsReady();
+
+  void CloseChannels();
+
+  void SetState(State state, ErrorCode error);
+
+  HostEventCallback* event_callback_ = nullptr;
+
+  // Stub for incoming messages.
+  ClientStub* client_stub_ = nullptr;
+  ClipboardStub* clipboard_stub_ = nullptr;
+
+  scoped_ptr<Session> session_;
+
+  scoped_ptr<ClientControlDispatcher> control_dispatcher_;
+  scoped_ptr<ClientEventDispatcher> event_dispatcher_;
+  ClipboardFilter clipboard_forwarder_;
+  InputFilter event_forwarder_;
+
+  // Internal state of the connection.
+  State state_ = INITIALIZING;
+  ErrorCode error_ = OK;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WebrtcConnectionToHost);
+};
+
+}  // namespace protocol
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_WEBRTC_CONNECTION_TO_HOST_H_