1 /* 2 * Copyright (C) 2009 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef ThreadableWebSocketChannel_h 32 #define ThreadableWebSocketChannel_h 33 34 #if ENABLE(WEB_SOCKETS) 35 36 #include <wtf/Forward.h> 37 #include <wtf/Noncopyable.h> 38 #include <wtf/PassRefPtr.h> 39 40 namespace WebCore { 41 42 class KURL; 43 class ScriptExecutionContext; 44 class WebSocketChannelClient; 45 46 class ThreadableWebSocketChannel { 47 WTF_MAKE_NONCOPYABLE(ThreadableWebSocketChannel); 48 public: 49 ThreadableWebSocketChannel() { } 50 static PassRefPtr<ThreadableWebSocketChannel> create(ScriptExecutionContext*, WebSocketChannelClient*, const KURL&, const String& protocol); 51 52 virtual void connect() = 0; 53 virtual bool send(const String& message) = 0; 54 virtual unsigned long bufferedAmount() const = 0; 55 virtual void close() = 0; 56 virtual void disconnect() = 0; // Will suppress didClose(). 57 58 virtual void suspend() = 0; 59 virtual void resume() = 0; 60 61 void ref() { refThreadableWebSocketChannel(); } 62 void deref() { derefThreadableWebSocketChannel(); } 63 64 protected: 65 virtual ~ThreadableWebSocketChannel() { } 66 virtual void refThreadableWebSocketChannel() = 0; 67 virtual void derefThreadableWebSocketChannel() = 0; 68 }; 69 70 } // namespace WebCore 71 72 #endif // ENABLE(WEB_SOCKETS) 73 74 #endif // ThreadableWebSocketChannel_h 75
