/* Copyright(C) 2007-2014 VoIP objects (voipobjects.com)
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "EP_DataProvider.h"
#include "../helper/HL_StreamState.h"

bool DataProvider::isSupported(const char* name)
{
  return !strcmp(name, "audio");

  //return (!strcmp(name, "screen") || !strcmp(name, "data") || !strcmp(name, "audio") || !strcmp(name, "video"));
}

void DataProvider::pause()
{
  /*if (state() & STATE_SIPRECV)
    setState( state() & ~STATE_SIPRECV );*/

  // Stop receive RTP stream
  if (state() & (int)StreamState::Receiving)
    setState( state() & ~(int)StreamState::Receiving );
  
  mActive = mfPaused;
}

void DataProvider::resume()
{
  // Tell remote peer about resumed receiving in SDP
  //setState( state() | STATE_SIPRECV );

  // Start receive RTP stream
  setState( state() | (int)StreamState::Receiving );
  
  mActive = mfActive;
}

bool DataProvider::processSdpOffer(const resip::SdpContents::Session::Medium& media, SdpDirection sdpDirection)
{
  // Process paused and inactive calls
  if (media.exists("sendonly"))
  {
    mRemoteState = msSendonly;
    setState(state() & ~(int)StreamState::Sending);
  }
  else
  if (media.exists("recvonly"))
  {
    mRemoteState = msRecvonly;
    setState(state() & ~(int)StreamState::Receiving);
  }
  else
  if (media.exists("inactive"))
  {
    mRemoteState = msInactive;
    setState(state() & ~((int)StreamState::Sending | (int)StreamState::Receiving) );
  }
  else
  {
    mRemoteState = msSendRecv;
    switch (mActive)
    {
    case mfActive:
      setState(state() | (int)StreamState::Sending | (int)StreamState::Receiving);
      break;

    case mfPaused:
      setState(state() | (int)StreamState::Sending );
      break;
    }
  }
  return true;
}