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      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 #include "config.h"
     32 #include "platform/blob/BlobData.h"
     33 
     34 #include "platform/UUID.h"
     35 #include "platform/blob/BlobRegistry.h"
     36 #include "wtf/OwnPtr.h"
     37 #include "wtf/PassRefPtr.h"
     38 #include "wtf/RefPtr.h"
     39 #include "wtf/Vector.h"
     40 
     41 namespace WebCore {
     42 
     43 const long long BlobDataItem::toEndOfFile = -1;
     44 
     45 RawData::RawData()
     46 {
     47 }
     48 
     49 void RawData::detachFromCurrentThread()
     50 {
     51 }
     52 
     53 void BlobDataItem::detachFromCurrentThread()
     54 {
     55     data->detachFromCurrentThread();
     56     path = path.isolatedCopy();
     57     fileSystemURL = fileSystemURL.copy();
     58 }
     59 
     60 PassOwnPtr<BlobData> BlobData::create()
     61 {
     62     return adoptPtr(new BlobData());
     63 }
     64 
     65 void BlobData::detachFromCurrentThread()
     66 {
     67     m_contentType = m_contentType.isolatedCopy();
     68     m_contentDisposition = m_contentDisposition.isolatedCopy();
     69     for (size_t i = 0; i < m_items.size(); ++i)
     70         m_items.at(i).detachFromCurrentThread();
     71 }
     72 
     73 void BlobData::appendData(PassRefPtr<RawData> data, long long offset, long long length)
     74 {
     75     m_items.append(BlobDataItem(data, offset, length));
     76 }
     77 
     78 void BlobData::appendFile(const String& path)
     79 {
     80     m_items.append(BlobDataItem(path));
     81 }
     82 
     83 void BlobData::appendFile(const String& path, long long offset, long long length, double expectedModificationTime)
     84 {
     85     m_items.append(BlobDataItem(path, offset, length, expectedModificationTime));
     86 }
     87 
     88 void BlobData::appendBlob(PassRefPtr<BlobDataHandle> dataHandle, long long offset, long long length)
     89 {
     90     m_items.append(BlobDataItem(dataHandle, offset, length));
     91 }
     92 
     93 void BlobData::appendFileSystemURL(const KURL& url, long long offset, long long length, double expectedModificationTime)
     94 {
     95     m_items.append(BlobDataItem(url, offset, length, expectedModificationTime));
     96 }
     97 
     98 void BlobData::swapItems(BlobDataItemList& items)
     99 {
    100     m_items.swap(items);
    101 }
    102 
    103 BlobDataHandle::BlobDataHandle()
    104     : m_uuid(createCanonicalUUIDString())
    105     , m_size(0)
    106 {
    107     BlobRegistry::registerBlobData(m_uuid, BlobData::create());
    108 }
    109 
    110 BlobDataHandle::BlobDataHandle(PassOwnPtr<BlobData> data, long long size)
    111     : m_uuid(createCanonicalUUIDString())
    112     , m_type(data->contentType().isolatedCopy())
    113     , m_size(size)
    114 {
    115     BlobRegistry::registerBlobData(m_uuid, data);
    116 }
    117 
    118 BlobDataHandle::BlobDataHandle(const String& uuid, const String& type, long long size)
    119     : m_uuid(uuid.isolatedCopy())
    120     , m_type(type.isolatedCopy())
    121     , m_size(size)
    122 {
    123     BlobRegistry::addBlobDataRef(m_uuid);
    124 }
    125 
    126 BlobDataHandle::~BlobDataHandle()
    127 {
    128     BlobRegistry::removeBlobDataRef(m_uuid);
    129 }
    130 
    131 } // namespace WebCore
    132