1/*
2 * Copyright (C) 2010 Google Inc.  All rights reserved.
3 * Copyright (C) 2011 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32[
33    GlobalContext=Window&WorkerGlobalScope,
34    ActiveDOMObject,
35    Constructor,
36    ConstructorCallWith=ScriptExecutionContext
37] interface FileReader : EventTarget {
38    // ready states
39    const unsigned short EMPTY = 0;
40    const unsigned short LOADING = 1;
41    const unsigned short DONE = 2;
42    readonly attribute unsigned short readyState;
43
44    // async read methods
45    [RaisesException] void readAsArrayBuffer(Blob blob);
46    [RaisesException] void readAsBinaryString(Blob blob);
47    [RaisesException] void readAsText(Blob blob, optional DOMString encoding);
48    [RaisesException] void readAsDataURL(Blob blob);
49
50    void abort();
51
52    // file data
53    [Custom] readonly attribute any result;
54
55    readonly attribute FileError error;
56
57    attribute EventHandler onloadstart;
58    attribute EventHandler onprogress;
59    attribute EventHandler onload;
60    attribute EventHandler onabort;
61    attribute EventHandler onerror;
62    attribute EventHandler onloadend;
63};
64