1/*
2 * Copyright (C) 2014 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''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebCoreAVCFResourceLoader.h"
28
29#if ENABLE(VIDEO) && USE(AVFOUNDATION) && HAVE(AVFOUNDATION_LOADER_DELEGATE)
30
31#include "CachedRawResource.h"
32#include "CachedResourceLoader.h"
33#include "CachedResourceRequest.h"
34#include "MediaPlayerPrivateAVFoundationCF.h"
35#include "NotImplemented.h"
36#include "ResourceBuffer.h"
37#include "ResourceLoaderOptions.h"
38#include "SharedBuffer.h"
39#include "SoftLinking.h"
40#include <AVFoundationCF/AVFoundationCF.h>
41#include <AVFoundationCF/AVCFAssetResourceLoader.h>
42#include <wtf/text/CString.h>
43
44// The softlink header files must be included after the AVCF and CoreMedia header files.
45#include "AVFoundationCFSoftLinking.h"
46
47namespace WebCore {
48
49PassRefPtr<WebCoreAVCFResourceLoader> WebCoreAVCFResourceLoader::create(MediaPlayerPrivateAVFoundationCF* parent, AVCFAssetResourceLoadingRequestRef avRequest)
50{
51    ASSERT(avRequest);
52    ASSERT(parent);
53    return adoptRef(new WebCoreAVCFResourceLoader(parent, avRequest));
54}
55
56WebCoreAVCFResourceLoader::WebCoreAVCFResourceLoader(MediaPlayerPrivateAVFoundationCF* parent, AVCFAssetResourceLoadingRequestRef avRequest)
57    : m_parent(parent)
58    , m_avRequest(avRequest)
59{
60}
61
62WebCoreAVCFResourceLoader::~WebCoreAVCFResourceLoader()
63{
64    stopLoading();
65}
66
67void WebCoreAVCFResourceLoader::startLoading()
68{
69    if (m_resource || !m_parent)
70        return;
71
72    RetainPtr<CFURLRequestRef> urlRequest = AVCFAssetResourceLoadingRequestGetURLRequest(m_avRequest.get());
73    URL requestURL = CFURLRequestGetURL(urlRequest.get());
74
75    CachedResourceRequest request(ResourceRequest(requestURL), ResourceLoaderOptions(SendCallbacks, DoNotSniffContent, BufferData, DoNotAllowStoredCredentials, DoNotAskClientForCrossOriginCredentials, DoSecurityCheck, UseDefaultOriginRestrictionsForType));
76
77    request.mutableResourceRequest().setPriority(ResourceLoadPriorityLow);
78    CachedResourceLoader* loader = m_parent->player()->cachedResourceLoader();
79    m_resource = loader ? loader->requestRawResource(request) : 0;
80    if (m_resource)
81        m_resource->addClient(this);
82    else {
83        LOG_ERROR("Failed to start load for media at url %s", requestURL.string().ascii().data());
84        AVCFAssetResourceLoadingRequestFinishLoadingWithError(m_avRequest.get(), nullptr);
85    }
86}
87
88void WebCoreAVCFResourceLoader::stopLoading()
89{
90    if (!m_resource)
91        return;
92
93    m_resource->removeClient(this);
94    m_resource = 0;
95
96    if (m_parent)
97        m_parent->didStopLoadingRequest(m_avRequest.get());
98}
99
100void WebCoreAVCFResourceLoader::invalidate()
101{
102    m_parent = nullptr;
103    stopLoading();
104}
105
106void WebCoreAVCFResourceLoader::responseReceived(CachedResource* resource, const ResourceResponse& response)
107{
108    ASSERT(resource == m_resource);
109    UNUSED_PARAM(resource);
110
111    int status = response.httpStatusCode();
112    if (status && (status < 200 || status > 299)) {
113        AVCFAssetResourceLoadingRequestFinishLoadingWithError(m_avRequest.get(), nullptr);
114        return;
115    }
116
117    notImplemented();
118}
119
120void WebCoreAVCFResourceLoader::dataReceived(CachedResource* resource, const char*, int)
121{
122    fulfillRequestWithResource(resource);
123}
124
125void WebCoreAVCFResourceLoader::notifyFinished(CachedResource* resource)
126{
127    if (resource->loadFailedOrCanceled()) {
128        // <rdar://problem/13987417> Set the contentType of the contentInformationRequest to an empty
129        // string to trigger AVAsset's playable value to complete loading.
130        // FIXME: if ([m_avRequest.get() contentInformationRequest] && ![[m_avRequest.get() contentInformationRequest] contentType])
131        // FIXME:    [[m_avRequest.get() contentInformationRequest] setContentType:@""];
132        notImplemented();
133
134        AVCFAssetResourceLoadingRequestFinishLoadingWithError(m_avRequest.get(), nullptr);
135    } else {
136        fulfillRequestWithResource(resource);
137        // FIXME: [m_avRequest.get() finishLoading];
138        notImplemented();
139    }
140    stopLoading();
141}
142
143void WebCoreAVCFResourceLoader::fulfillRequestWithResource(CachedResource* resource)
144{
145    ASSERT(resource == m_resource);
146    notImplemented();
147}
148
149}
150
151#endif // ENABLE(VIDEO) && USE(AVFOUNDATION)
152