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#include "config.h"
32
33#if ENABLE(BLOB)
34
35#include "V8FileReader.h"
36
37#include "ScriptExecutionContext.h"
38#include "V8ArrayBuffer.h"
39#include "V8Binding.h"
40
41namespace WebCore {
42
43v8::Handle<v8::Value> V8FileReader::constructorCallback(const v8::Arguments& args)
44{
45    INC_STATS("DOM.FileReader.Constructor");
46
47    if (!args.IsConstructCall())
48        return throwError("DOM object constructor cannot be called as a function.", V8Proxy::TypeError);
49
50    // Expect no parameters.
51    // Allocate a FileReader object as its internal field.
52    ScriptExecutionContext* context = getScriptExecutionContext();
53    if (!context)
54        return throwError("FileReader constructor's associated context is not available", V8Proxy::ReferenceError);
55    RefPtr<FileReader> fileReader = FileReader::create(context);
56    V8DOMWrapper::setDOMWrapper(args.Holder(), &info, fileReader.get());
57
58    // Add object to the wrapper map.
59    fileReader->ref();
60    V8DOMWrapper::setJSWrapperForActiveDOMObject(fileReader.get(), v8::Persistent<v8::Object>::New(args.Holder()));
61    return args.Holder();
62}
63
64v8::Handle<v8::Value> V8FileReader::resultAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
65{
66    INC_STATS("DOM.FileReader.result._get");
67    v8::Handle<v8::Object> holder = info.Holder();
68    FileReader* imp = V8FileReader::toNative(holder);
69    if (imp->readType() == FileReaderLoader::ReadAsArrayBuffer)
70        return toV8(imp->arrayBufferResult());
71    return v8StringOrNull(imp->stringResult());
72}
73
74} // namespace WebCore
75
76#endif // ENABLE(BLOB)
77