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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 
createFromUUID(const WebString & uuid,const WebString & type,long long size)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 
createFromFile(const WebString & path,long long size)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 
fromV8Value(v8::Handle<v8::Value> value)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 
reset()67 void WebBlob::reset()
68 {
69     m_private.reset();
70 }
71 
assign(const WebBlob & other)72 void WebBlob::assign(const WebBlob& other)
73 {
74     m_private = other.m_private;
75 }
76 
uuid()77 WebString WebBlob::uuid()
78 {
79     if (!m_private.get())
80         return WebString();
81     return m_private->uuid();
82 }
83 
toV8Value(v8::Handle<v8::Object> creationContext,v8::Isolate * isolate)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 
WebBlob(const PassRefPtrWillBeRawPtr<Blob> & blob)91 WebBlob::WebBlob(const PassRefPtrWillBeRawPtr<Blob>& blob)
92     : m_private(blob)
93 {
94 }
95 
operator =(const PassRefPtrWillBeRawPtr<Blob> & blob)96 WebBlob& WebBlob::operator=(const PassRefPtrWillBeRawPtr<Blob>& blob)
97 {
98     m_private = blob;
99     return *this;
100 }
101 
102 } // namespace blink
103