1/*
2 * Copyright (C) 2011 Apple 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
6 * are met:
7 * 1.  Redistributions of source code must retain the above copyright
8 *     notice, this list of conditions and the following disclaimer.
9 * 2.  Redistributions in binary form must reproduce the above copyright
10 *     notice, this list of conditions and the following disclaimer in the
11 *     documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include "config.h"
26#include "SubresourceLoader.h"
27
28#include "CachedResource.h"
29#include <wtf/Ref.h>
30
31namespace WebCore {
32
33#if USE(NETWORK_CFDATA_ARRAY_CALLBACK)
34void SubresourceLoader::didReceiveDataArray(CFArrayRef dataArray)
35{
36    // Reference the object in this method since the additional processing can do anything including
37    // removing the last reference to this object; one example of this is <rdar://problem/3266216>.
38    Ref<SubresourceLoader> protect(*this);
39
40    ResourceLoader::didReceiveDataArray(dataArray);
41
42    if (checkForHTTPStatusCodeError())
43        return;
44
45    // A subresource loader does not load multipart sections progressively.
46    // So don't deliver any data to the loader yet.
47    if (!m_loadingMultipartContent) {
48        CFIndex arrayCount = CFArrayGetCount(dataArray);
49        for (CFIndex i = 0; i < arrayCount; ++i)  {
50            // A previous iteration of this loop might have resulted in the load
51            // being cancelled. Bail out if we no longer have a cached resource.
52            if (!m_resource)
53                return;
54            if (ResourceBuffer* resourceData = this->resourceData())
55                m_resource->addDataBuffer(resourceData);
56            else {
57                CFDataRef cfData = reinterpret_cast<CFDataRef>(CFArrayGetValueAtIndex(dataArray, i));
58                const char* data = reinterpret_cast<const char *>(CFDataGetBytePtr(cfData));
59                CFIndex length = CFDataGetLength(cfData);
60                ASSERT(length <= std::numeric_limits<CFIndex>::max());
61                m_resource->addData(data, static_cast<unsigned>(length));
62            }
63        }
64    }
65}
66#endif
67
68}
69