1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef RTCDataChannel_h 26 #define RTCDataChannel_h 27 28 #include "bindings/v8/ScriptWrappable.h" 29 #include "core/events/EventTarget.h" 30 #include "core/platform/mediastream/RTCDataChannelHandlerClient.h" 31 #include "platform/Timer.h" 32 #include "wtf/RefCounted.h" 33 34 namespace blink { 35 struct WebRTCDataChannelInit; 36 } 37 38 namespace WebCore { 39 40 class Blob; 41 class ExceptionState; 42 class RTCDataChannelHandler; 43 class RTCPeerConnectionHandler; 44 45 class RTCDataChannel : public RefCounted<RTCDataChannel>, public ScriptWrappable, public EventTargetWithInlineData, public RTCDataChannelHandlerClient { 46 REFCOUNTED_EVENT_TARGET(RTCDataChannel); 47 public: 48 static PassRefPtr<RTCDataChannel> create(ExecutionContext*, PassOwnPtr<RTCDataChannelHandler>); 49 static PassRefPtr<RTCDataChannel> create(ExecutionContext*, RTCPeerConnectionHandler*, const String& label, const blink::WebRTCDataChannelInit&, ExceptionState&); 50 ~RTCDataChannel(); 51 52 String label() const; 53 54 // DEPRECATED 55 bool reliable() const; 56 57 bool ordered() const; 58 unsigned short maxRetransmitTime() const; 59 unsigned short maxRetransmits() const; 60 String protocol() const; 61 bool negotiated() const; 62 unsigned short id() const; 63 String readyState() const; 64 unsigned long bufferedAmount() const; 65 66 String binaryType() const; 67 void setBinaryType(const String&, ExceptionState&); 68 69 void send(const String&, ExceptionState&); 70 void send(PassRefPtr<ArrayBuffer>, ExceptionState&); 71 void send(PassRefPtr<ArrayBufferView>, ExceptionState&); 72 void send(PassRefPtr<Blob>, ExceptionState&); 73 74 void close(); 75 76 DEFINE_ATTRIBUTE_EVENT_LISTENER(open); 77 DEFINE_ATTRIBUTE_EVENT_LISTENER(error); 78 DEFINE_ATTRIBUTE_EVENT_LISTENER(close); 79 DEFINE_ATTRIBUTE_EVENT_LISTENER(message); 80 81 void stop(); 82 83 // EventTarget 84 virtual const AtomicString& interfaceName() const OVERRIDE; 85 virtual ExecutionContext* executionContext() const OVERRIDE; 86 87 private: 88 RTCDataChannel(ExecutionContext*, PassOwnPtr<RTCDataChannelHandler>); 89 90 void scheduleDispatchEvent(PassRefPtr<Event>); 91 void scheduledEventTimerFired(Timer<RTCDataChannel>*); 92 93 ExecutionContext* m_executionContext; 94 95 // RTCDataChannelHandlerClient 96 virtual void didChangeReadyState(ReadyState) OVERRIDE; 97 virtual void didReceiveStringData(const String&) OVERRIDE; 98 virtual void didReceiveRawData(const char*, size_t) OVERRIDE; 99 virtual void didDetectError() OVERRIDE; 100 101 OwnPtr<RTCDataChannelHandler> m_handler; 102 103 bool m_stopped; 104 105 ReadyState m_readyState; 106 enum BinaryType { 107 BinaryTypeBlob, 108 BinaryTypeArrayBuffer 109 }; 110 BinaryType m_binaryType; 111 112 Timer<RTCDataChannel> m_scheduledEventTimer; 113 Vector<RefPtr<Event> > m_scheduledEvents; 114 }; 115 116 } // namespace WebCore 117 118 #endif // RTCDataChannel_h 119