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      1 /*
      2  * Copyright (C) 2013 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 #include "bindings/core/v8/V8File.h"
     33 
     34 #include "bindings/core/v8/ExceptionState.h"
     35 #include "bindings/core/v8/custom/V8BlobCustomHelpers.h"
     36 
     37 namespace blink {
     38 
     39 void V8File::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
     40 {
     41     ExceptionState exceptionState(ExceptionState::ConstructionContext, "File", info.Holder(), info.GetIsolate());
     42 
     43     if (info.Length() < 2) {
     44         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
     45         exceptionState.throwIfNeeded();
     46         return;
     47     }
     48 
     49     // FIXME: handle sequences based on ES6 @@iterator, see http://crbug.com/393866
     50     if (!info[0]->IsArray()) {
     51         exceptionState.throwTypeError(ExceptionMessages::argumentNullOrIncorrectType(1, "Array"));
     52         exceptionState.throwIfNeeded();
     53         return;
     54     }
     55 
     56     TOSTRING_VOID(V8StringResource<>, fileName, info[1]);
     57 
     58     V8BlobCustomHelpers::ParsedProperties properties(true);
     59     if (info.Length() > 2) {
     60         if (!info[2]->IsObject()) {
     61             exceptionState.throwTypeError("The 3rd argument is not of type Object.");
     62             exceptionState.throwIfNeeded();
     63             return;
     64         }
     65 
     66         if (!properties.parseBlobPropertyBag(info[2], "File", exceptionState, info.GetIsolate())) {
     67             exceptionState.throwIfNeeded();
     68             return;
     69         }
     70     } else {
     71         properties.setDefaultLastModified();
     72     }
     73 
     74     OwnPtr<BlobData> blobData = BlobData::create();
     75     blobData->setContentType(properties.contentType());
     76     v8::Local<v8::Object> blobParts = v8::Local<v8::Object>::Cast(info[0]);
     77     if (!V8BlobCustomHelpers::processBlobParts(blobParts, properties.normalizeLineEndingsToNative(), *blobData, info.GetIsolate()))
     78         return;
     79 
     80     long long fileSize = blobData->length();
     81     RefPtrWillBeRawPtr<File> file = File::create(fileName, properties.lastModified(), BlobDataHandle::create(blobData.release(), fileSize));
     82     v8SetReturnValue(info, file.release());
     83 }
     84 
     85 } // namespace blink
     86