| /* |
| * Copyright (C) 2013 Google 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 GOOGLE INC. ``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 GOOGLE INC. OR |
| * 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. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_DTMF_SENDER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_DTMF_SENDER_H_ |
| |
| #include <memory> |
| #include "third_party/blink/public/platform/web_rtc_dtmf_sender_handler_client.h" |
| #include "third_party/blink/renderer/core/execution_context/context_lifecycle_observer.h" |
| #include "third_party/blink/renderer/modules/event_target_modules.h" |
| #include "third_party/blink/renderer/platform/timer.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| class WebRTCDTMFSenderHandler; |
| |
| class RTCDTMFSender final : public EventTargetWithInlineData, |
| public WebRTCDTMFSenderHandlerClient, |
| public ContextLifecycleObserver { |
| USING_GARBAGE_COLLECTED_MIXIN(RTCDTMFSender); |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_PRE_FINALIZER(RTCDTMFSender, Dispose); |
| |
| public: |
| static RTCDTMFSender* Create(ExecutionContext*, |
| std::unique_ptr<WebRTCDTMFSenderHandler>); |
| |
| RTCDTMFSender(ExecutionContext*, std::unique_ptr<WebRTCDTMFSenderHandler>); |
| ~RTCDTMFSender() override; |
| |
| bool canInsertDTMF() const; |
| String toneBuffer() const; |
| |
| void insertDTMF(const String& tones, ExceptionState&); |
| void insertDTMF(const String& tones, int duration, ExceptionState&); |
| void insertDTMF(const String& tones, |
| int duration, |
| int inter_tone_gap, |
| ExceptionState&); |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(tonechange, kTonechange); |
| |
| // EventTarget |
| const AtomicString& InterfaceName() const override; |
| ExecutionContext* GetExecutionContext() const override; |
| |
| // ContextLifecycleObserver |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| void Trace(blink::Visitor*) override; |
| |
| private: |
| void Dispose(); |
| |
| // WebRTCDTMFSenderHandlerClient |
| void PlayoutTask(); |
| void DidPlayTone(const WebString&) override; |
| |
| std::unique_ptr<WebRTCDTMFSenderHandler> handler_; |
| |
| bool stopped_; |
| String tone_buffer_; |
| int duration_; |
| int inter_tone_gap_; |
| bool playout_task_is_scheduled_ = false; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_RTC_DTMF_SENDER_H_ |