| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "V8File.h" |
| |
| #include "RuntimeEnabledFeatures.h" |
| #include "bindings/v8/custom/V8BlobCustomHelpers.h" |
| #include "core/fileapi/BlobBuilder.h" |
| |
| namespace WebCore { |
| |
| void V8File::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info) |
| { |
| if (!RuntimeEnabledFeatures::fileConstructorEnabled()) { |
| throwTypeError("Illegal constructor", info.GetIsolate()); |
| return; |
| } |
| |
| if (info.Length() < 2) { |
| throwTypeError("File constructor requires at least two arguments", info.GetIsolate()); |
| return; |
| } |
| |
| uint32_t length = 0; |
| if (info[0]->IsArray()) { |
| length = v8::Local<v8::Array>::Cast(info[0])->Length(); |
| } else { |
| const int sequenceArgumentIndex = 0; |
| if (toV8Sequence(info[sequenceArgumentIndex], length, info.GetIsolate()).IsEmpty()) { |
| throwTypeError(ExceptionMessages::failedToConstruct("File", ExceptionMessages::notAnArrayTypeArgumentOrValue(sequenceArgumentIndex + 1)), info.GetIsolate()); |
| return; |
| } |
| } |
| |
| V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, fileName, info[1]); |
| |
| String contentType; |
| String endings = "transparent"; // default if no BlobPropertyBag is passed |
| if (info.Length() > 2) { |
| if (!info[2]->IsObject()) { |
| throwTypeError(ExceptionMessages::failedToConstruct("File", "The 3rd argument is not of type Object."), info.GetIsolate()); |
| return; |
| } |
| |
| if (!V8BlobCustomHelpers::processBlobPropertyBag(info[2], "File", contentType, endings, info.GetIsolate())) |
| return; |
| } |
| |
| BlobBuilder blobBuilder; |
| v8::Local<v8::Object> blobParts = v8::Local<v8::Object>::Cast(info[0]); |
| if (!V8BlobCustomHelpers::processBlobParts(blobParts, length, endings, blobBuilder, info.GetIsolate())) |
| return; |
| |
| RefPtr<File> file = blobBuilder.createFile(contentType, fileName, currentTime()); |
| v8SetReturnValue(info, file.release()); |
| } |
| |
| } // namespace WebCore |