1 /* 2 * Copyright (C) 2010 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 WebBlobData_h 32 #define WebBlobData_h 33 34 #include "WebNonCopyable.h" 35 #include "WebPrivateOwnPtr.h" 36 #include "WebString.h" 37 #include "WebThreadSafeData.h" 38 #include "WebURL.h" 39 40 #if INSIDE_BLINK 41 namespace WTF { template <typename T> class PassOwnPtr; } 42 #endif 43 44 namespace blink { 45 46 class BlobData; 47 48 class WebBlobData : public WebNonCopyable { 49 public: 50 struct Item { 51 enum { TypeData, TypeFile, TypeBlob, TypeFileSystemURL } type; 52 WebThreadSafeData data; 53 WebString blobUUID; 54 WebString filePath; 55 WebURL fileSystemURL; 56 long long offset; 57 long long length; // -1 means go to the end of the file/blob. 58 double expectedModificationTime; // 0.0 means that the time is not set. 59 }; 60 61 BLINK_PLATFORM_EXPORT WebBlobData(); 62 BLINK_PLATFORM_EXPORT ~WebBlobData(); 63 isNull()64 bool isNull() const { return !m_private.get(); } 65 66 // Returns the number of items. 67 BLINK_PLATFORM_EXPORT size_t itemCount() const; 68 69 // Retrieves the values of the item at the given index. Returns false if 70 // index is out of bounds. 71 BLINK_PLATFORM_EXPORT bool itemAt(size_t index, Item& result) const; 72 73 BLINK_PLATFORM_EXPORT WebString contentType() const; 74 75 #if INSIDE_BLINK 76 BLINK_PLATFORM_EXPORT WebBlobData(const WTF::PassOwnPtr<BlobData>&); 77 BLINK_PLATFORM_EXPORT WebBlobData& operator=(const WTF::PassOwnPtr<BlobData>&); 78 BLINK_PLATFORM_EXPORT operator WTF::PassOwnPtr<BlobData>(); 79 #endif 80 81 private: 82 WebPrivateOwnPtr<BlobData> m_private; 83 }; 84 85 } // namespace blink 86 87 #endif // WebBlobData_h 88