third_party/WebKit/public/web/WebBlob.h

   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 "public/platform/WebBlobData.h"
  35 #include "public/platform/WebCommon.h"
  36 #include "public/platform/WebPrivatePtr.h"
  37 #include "public/platform/WebString.h"
  38 #include "public/platform/WebURL.h"
  39
  40 #if BLINK_IMPLEMENTATION
  41 #include "platform/heap/Handle.h"
  42 #endif
  43
  44 namespace v8 {
  45 class Isolate;
  46 class Object;
  47 class Value;
  48 template <class T> class Local;
  49 }
  50
  51 namespace blink {
  52
  53 class Blob;
  54
  55 class WebBlob {
  56 public:
  57     ~WebBlob() { reset(); }
  58
  59     WebBlob() { }
  60     WebBlob(const WebBlob& b) { assign(b); }
  61     WebBlob& operator=(const WebBlob& b)
  62     {
  63         assign(b);
  64         return *this;
  65     }
  66
  67     BLINK_EXPORT static WebBlob createFromUUID(const WebString& uuid, const WebString& type, long long size);
  68     BLINK_EXPORT static WebBlob createFromFile(const WebString& path, long long size);
  69     BLINK_EXPORT static WebBlob fromV8Value(v8::Local<v8::Value>);
  70
  71     BLINK_EXPORT void reset();
  72     BLINK_EXPORT void assign(const WebBlob&);
  73     BLINK_EXPORT WebString uuid();
  74
  75     bool isNull() const { return m_private.isNull(); }
  76
  77     BLINK_EXPORT v8::Local<v8::Value>  toV8Value(v8::Local<v8::Object> creationContext, v8::Isolate*);
  78
  79 #if BLINK_IMPLEMENTATION
  80     WebBlob(Blob*);
  81     WebBlob& operator=(Blob*);
  82 #endif
  83
  84 protected:
  85     WebPrivatePtr<Blob> m_private;
  86 };
  87
  88 } // namespace blink
  89
  90 #endif // WebBlob_h