src/third_party/WebKit/Source/bindings/core/v8/custom/V8FileCustom.cpp

   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,
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  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