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