1 /* 2 * Copyright (C) 2013 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 Stream_h 32 #define Stream_h 33 34 #include "bindings/v8/ScriptWrappable.h" 35 #include "weborigin/KURL.h" 36 #include "wtf/PassRefPtr.h" 37 #include "wtf/RefCounted.h" 38 #include "wtf/text/WTFString.h" 39 40 namespace WebCore { 41 42 class Stream : public ScriptWrappable, public RefCounted<Stream> { 43 public: 44 static PassRefPtr<Stream> create(const String& mediaType) 45 { 46 return adoptRef(new Stream(mediaType)); 47 } 48 49 virtual ~Stream(); 50 51 // Returns the internal URL referring to this stream. 52 const KURL& url() const { return m_internalURL; } 53 // Returns the media type of this stream. 54 const String& type() const { return m_mediaType; } 55 56 // Appends data to this stream. 57 void addData(const char* data, size_t len); 58 // Mark this stream finalized so that a reader of this stream is notified 59 // of EOF. 60 void finalize(); 61 62 // Allow an external reader class to mark this object neutered so that they 63 // won't load the corresponding stream again. All stream objects are 64 // read-once for now. 65 void neuter() { m_isNeutered = true; } 66 bool isNeutered() const { return m_isNeutered; } 67 68 protected: 69 explicit Stream(const String& mediaType); 70 71 // This is an internal URL referring to the blob data associated with this object. It serves 72 // as an identifier for this blob. The internal URL is never used to source the blob's content 73 // into an HTML or for FileRead'ing, public blob URLs must be used for those purposes. 74 KURL m_internalURL; 75 76 String m_mediaType; 77 78 bool m_isNeutered; 79 }; 80 81 } // namespace WebCore 82 83 #endif // Stream_h 84
