1 /* 2 * Copyright (C) 2011 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 DataTransferItem_h 32 #define DataTransferItem_h 33 34 #if ENABLE(DATA_TRANSFER_ITEMS) 35 36 #include <wtf/Forward.h> 37 #include <wtf/RefCounted.h> 38 39 namespace WebCore { 40 41 class Blob; 42 class StringCallback; 43 44 class DataTransferItem : public RefCounted<DataTransferItem> { 45 public: ~DataTransferItem()46 ~DataTransferItem() {} 47 48 static const char kindString[]; 49 static const char kindFile[]; 50 51 virtual String kind() const = 0; 52 virtual String type() const = 0; 53 54 virtual void getAsString(PassRefPtr<StringCallback>) = 0; 55 virtual PassRefPtr<Blob> getAsFile() = 0; 56 }; 57 58 } // namespace WebCore 59 60 #endif // ENABLE(DATA_TRANSFER_ITEMS) 61 62 #endif // DataTransferItem_h 63