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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 #ifndef WebBlob_h
     32 #define WebBlob_h
     33 
     34 #include "../platform/WebCommon.h"
     35 #include "../platform/WebPrivatePtr.h"
     36 #include "../platform/WebString.h"
     37 #include "../platform/WebURL.h"
     38 
     39 namespace v8 {
     40 class Value;
     41 template <class T> class Handle;
     42 }
     43 
     44 namespace WebCore { class Blob; }
     45 
     46 namespace WebKit {
     47 
     48 class WebBlob {
     49 public:
     50     ~WebBlob() { reset(); }
     51 
     52     WebBlob() { }
     53     WebBlob(const WebBlob& b) { assign(b); }
     54     WebBlob& operator=(const WebBlob& b)
     55     {
     56         assign(b);
     57         return *this;
     58     }
     59 
     60     WEBKIT_EXPORT static WebBlob createFromFile(const WebString& path, long long size);
     61     WEBKIT_EXPORT static WebBlob fromV8Value(v8::Handle<v8::Value>);
     62 
     63     WEBKIT_EXPORT void reset();
     64     WEBKIT_EXPORT void assign(const WebBlob&);
     65     WEBKIT_EXPORT WebURL url();
     66 
     67     bool isNull() const { return m_private.isNull(); }
     68 
     69     WEBKIT_EXPORT v8::Handle<v8::Value>  toV8Value();
     70 
     71 #if WEBKIT_IMPLEMENTATION
     72     WebBlob(const WTF::PassRefPtr<WebCore::Blob>&);
     73     WebBlob& operator=(const WTF::PassRefPtr<WebCore::Blob>&);
     74     operator WTF::PassRefPtr<WebCore::Blob>() const;
     75 #endif
     76 
     77 protected:
     78     WebPrivatePtr<WebCore::Blob> m_private;
     79 };
     80 
     81 } // namespace WebKit
     82 
     83 #endif // WebBlob_h
     84