/* * Copyright (C) 2017 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #if USE(LIBWEBRTC) #include "LibWebRTCMacros.h" #include "RTCDataChannelHandler.h" #include <webrtc/api/datachannelinterface.h> namespace WebCore { class RTCDataChannelHandlerClient; class LibWebRTCDataChannelHandler final : public RTCDataChannelHandler, private webrtc::DataChannelObserver { public: explicit LibWebRTCDataChannelHandler(rtc::scoped_refptr<webrtc::DataChannelInterface>&& channel) : m_channel(WTFMove(channel)) { ASSERT(m_channel); } ~LibWebRTCDataChannelHandler(); private: // RTCDataChannelHandler API void setClient(RTCDataChannelHandlerClient&) final; bool sendStringData(const String&) final; bool sendRawData(const char*, size_t) final; void close() final; size_t bufferedAmount() const final { return static_cast<size_t>(m_channel->buffered_amount()); } // webrtc::DataChannelObserver API void OnStateChange(); void OnMessage(const webrtc::DataBuffer&); void OnBufferedAmountChange(uint64_t); rtc::scoped_refptr<webrtc::DataChannelInterface> m_channel; RTCDataChannelHandlerClient* m_client { nullptr }; }; } // namespace WebCore #endif // USE(LIBWEBRTC)