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 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 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
