Source/WebCore/fileapi/Blob.idl

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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typedef (BufferSource or Blob or USVString) BlobPart;

[
    Exposed=(Window,Worker),
    GenerateIsReachable=Impl,
    CustomToJSObject,
    Constructor(optional sequence<BlobPart> blobParts, optional BlobPropertyBag options),
] interface Blob {
    readonly attribute unsigned long long size;
    readonly attribute DOMString type;

    // slice Blob into byte-ranged chunks
    Blob slice(optional long long start = 0, optional long long end = 0x7FFFFFFFFFFFFFFF, optional DOMString? contentType = null);

    // FIXME: Implement:
    // readonly attribute boolean isClosed;
    // void close();

};