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=WindowAndWorker,
34    Conditional=BLOB,
35    ActiveDOMObject,
36    Constructor,
37    ConstructorCallWith=ScriptExecutionContext,
38    EventTarget,
39    JSNoStaticTables
40] interface FileReader {
41    // ready states
42    const unsigned short EMPTY = 0;
43    const unsigned short LOADING = 1;
44    const unsigned short DONE = 2;
45    readonly attribute unsigned short readyState;
46
47    // async read methods
48    [RaisesException] void readAsArrayBuffer(Blob blob);
49    [RaisesException] void readAsBinaryString(Blob blob);
50    [RaisesException] void readAsText(Blob blob, optional DOMString encoding);
51    [RaisesException] void readAsDataURL(Blob blob);
52
53    void abort();
54
55    // file data
56    [Custom] readonly attribute any result;
57
58    readonly attribute FileError error;
59
60    // EventTarget interface
61    void addEventListener(DOMString type,
62                          EventListener listener,
63                          optional boolean useCapture);
64    void removeEventListener(DOMString type,
65                             EventListener listener,
66                             optional boolean useCapture);
67    [RaisesException] boolean dispatchEvent(Event evt);
68
69    attribute EventListener onloadstart;
70    attribute EventListener onprogress;
71    attribute EventListener onload;
72    attribute EventListener onabort;
73    attribute EventListener onerror;
74    attribute EventListener onloadend;
75};
76