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
41 namespace WebCore {
42
constructorCallback(const v8::Arguments & args)43 v8::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
resultAccessorGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)64 v8::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