content/renderer/media/rtc_dtmf_sender_handler.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/renderer/media/rtc_dtmf_sender_handler.h"
   6
   7 #include <string>
   8
   9 #include "base/logging.h"
  10 #include "base/strings/utf_string_conversions.h"
  11
  12 using webrtc::DtmfSenderInterface;
  13
  14 namespace content {
  15
  16 RtcDtmfSenderHandler::RtcDtmfSenderHandler(DtmfSenderInterface* dtmf_sender)
  17     : dtmf_sender_(dtmf_sender),
  18       webkit_client_(NULL) {
  19   DVLOG(1) << "::ctor";
  20   dtmf_sender_->RegisterObserver(this);
  21 }
  22
  23 RtcDtmfSenderHandler::~RtcDtmfSenderHandler() {
  24   DVLOG(1) << "::dtor";
  25   dtmf_sender_->UnregisterObserver();
  26 }
  27
  28 void RtcDtmfSenderHandler::setClient(
  29     blink::WebRTCDTMFSenderHandlerClient* client) {
  30   webkit_client_ = client;
  31 }
  32
  33 blink::WebString RtcDtmfSenderHandler::currentToneBuffer() {
  34   return base::UTF8ToUTF16(dtmf_sender_->tones());
  35 }
  36
  37 bool RtcDtmfSenderHandler::canInsertDTMF() {
  38   return dtmf_sender_->CanInsertDtmf();
  39 }
  40
  41 bool RtcDtmfSenderHandler::insertDTMF(const blink::WebString& tones,
  42                                       long duration,
  43                                       long interToneGap) {
  44   std::string utf8_tones = base::UTF16ToUTF8(tones);
  45   return dtmf_sender_->InsertDtmf(utf8_tones, static_cast<int>(duration),
  46                                   static_cast<int>(interToneGap));
  47 }
  48
  49 void RtcDtmfSenderHandler::OnToneChange(const std::string& tone) {
  50   if (!webkit_client_) {
  51     LOG(ERROR) << "WebRTCDTMFSenderHandlerClient not set.";
  52     return;
  53   }
  54   webkit_client_->didPlayTone(base::UTF8ToUTF16(tone));
  55 }
  56
  57 }  // namespace content
  58