1 /*

     2  * Copyright (C) 2010 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 Blob_h

    32 #define Blob_h

    33 

    34 #include "BlobItem.h"

    35 #include "PlatformString.h"

    36 #include <wtf/PassRefPtr.h>

    37 #include <wtf/RefCounted.h>

    38 #include <wtf/Vector.h>

    39 

    40 namespace WebCore {

    41 

    42 class Blob : public RefCounted<Blob> {

    43 public:

    44     static PassRefPtr<Blob> create(const String& type, const BlobItemList& items)

    45     {

    46         return adoptRef(new Blob(type, items));

    47     }

    48 

    49     // FIXME: Deprecated method.  This is called only from

    50     // bindings/v8/SerializedScriptValue.cpp and the usage in it will become invalid once

    51     // BlobBuilder is introduced.

    52     static PassRefPtr<Blob> create(const String& path)

    53     {

    54         return adoptRef(new Blob(path));

    55     }

    56 

    57     virtual ~Blob() { }

    58 

    59     unsigned long long size() const;

    60     const String& type() const { return m_type; }

    61     virtual bool isFile() const { return false; }

    62 

    63     // FIXME: Deprecated method.

    64     const String& path() const;

    65 

    66     const BlobItemList& items() const { return m_items; }

    67 

    68 #if ENABLE(BLOB_SLICE)

    69     PassRefPtr<Blob> slice(long long start, long long length, const String& contentType = String()) const;

    70 #endif

    71 

    72 protected:

    73     Blob(const String& type, const BlobItemList&);

    74     Blob(const PassRefPtr<BlobItem>&);

    75 

    76     // FIXME: Deprecated constructor.  See also the comment for Blob::create(path).

    77     Blob(const String& path);

    78 

    79     BlobItemList m_items;

    80     String m_type;

    81 };

    82 

    83 } // namespace WebCore

    84 

    85 #endif // Blob_h