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      1 /*
      2  * Copyright (C) 2011 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 "WebBlob.h"
     33 
     34 #include "V8Blob.h"
     35 #include "bindings/v8/V8Binding.h"
     36 #include "core/fileapi/Blob.h"
     37 #include "platform/blob/BlobData.h"
     38 #include "wtf/PassOwnPtr.h"
     39 
     40 using namespace WebCore;
     41 
     42 namespace blink {
     43 
     44 WebBlob WebBlob::createFromFile(const WebString& path, long long size)
     45 {
     46     OwnPtr<BlobData> blobData = BlobData::create();
     47     blobData->appendFile(path);
     48     RefPtr<Blob> blob = Blob::create(BlobDataHandle::create(blobData.release(), size));
     49     return WebBlob(blob);
     50 }
     51 
     52 WebBlob WebBlob::fromV8Value(v8::Handle<v8::Value> value)
     53 {
     54     if (V8Blob::hasInstanceInAnyWorld(value, v8::Isolate::GetCurrent())) {
     55         v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
     56         Blob* blob = V8Blob::toNative(object);
     57         ASSERT(blob);
     58         return WebBlob(blob);
     59     }
     60     return WebBlob();
     61 }
     62 
     63 void WebBlob::reset()
     64 {
     65     m_private.reset();
     66 }
     67 
     68 void WebBlob::assign(const WebBlob& other)
     69 {
     70     m_private = other.m_private;
     71 }
     72 
     73 WebString WebBlob::uuid()
     74 {
     75     if (!m_private.get())
     76         return WebString();
     77     return m_private->uuid();
     78 }
     79 
     80 v8::Handle<v8::Value>  WebBlob::toV8Value()
     81 {
     82     if (!m_private.get())
     83         return v8::Handle<v8::Value>();
     84     return toV8(m_private.get(), v8::Handle<v8::Object>(), v8::Isolate::GetCurrent());
     85 }
     86 
     87 WebBlob::WebBlob(const WTF::PassRefPtr<WebCore::Blob>& blob)
     88     : m_private(blob)
     89 {
     90 }
     91 
     92 WebBlob& WebBlob::operator=(const WTF::PassRefPtr<WebCore::Blob>& blob)
     93 {
     94     m_private = blob;
     95     return *this;
     96 }
     97 
     98 WebBlob::operator WTF::PassRefPtr<WebCore::Blob>() const
     99 {
    100     return m_private.get();
    101 }
    102 
    103 } // namespace blink
    104