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// Copyright 2014 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_HOST_HOST_EXTENSION_SESSION_H_
#define REMOTING_HOST_HOST_EXTENSION_SESSION_H_
#include "base/memory/scoped_ptr.h"
namespace webrtc {
class DesktopCapturer;
}
namespace remoting {
class ClientSessionControl;
class VideoEncoder;
namespace protocol {
class ExtensionMessage;
class ClientStub;
} // namespace protocol
// Created by an |HostExtension| to store |ClientSession| specific state, and to
// handle extension messages.
class HostExtensionSession {
public:
virtual ~HostExtensionSession() {}
// Optional hook functions for HostExtensions which need to wrap or replace
// parts of the video, audio, input, etc pipelines.
// These are called in response to ResetVideoPipeline().
virtual scoped_ptr<webrtc::DesktopCapturer> OnCreateVideoCapturer(
scoped_ptr<webrtc::DesktopCapturer> capturer);
virtual scoped_ptr<VideoEncoder> OnCreateVideoEncoder(
scoped_ptr<VideoEncoder> encoder);
virtual bool ModifiesVideoPipeline() const;
// Called when the host receives an |ExtensionMessage| for the |ClientSession|
// associated with this |HostExtensionSession|.
// It returns |true| if the message was handled, and |false| otherwise.
virtual bool OnExtensionMessage(
ClientSessionControl* client_session_control,
protocol::ClientStub* client_stub,
const protocol::ExtensionMessage& message) = 0;
};
} // namespace remoting
#endif // REMOTING_HOST_HOST_EXTENSION_SESSION_H_
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