OLD | NEW |
| (Empty) |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "webkit/renderer/media/media_info_loader.h" | |
6 | |
7 #include "base/bits.h" | |
8 #include "base/callback_helpers.h" | |
9 #include "base/metrics/histogram.h" | |
10 #include "third_party/WebKit/public/web/WebFrame.h" | |
11 #include "third_party/WebKit/public/platform/WebURLError.h" | |
12 #include "third_party/WebKit/public/platform/WebURLLoader.h" | |
13 #include "third_party/WebKit/public/platform/WebURLResponse.h" | |
14 | |
15 using WebKit::WebFrame; | |
16 using WebKit::WebURLError; | |
17 using WebKit::WebURLLoader; | |
18 using WebKit::WebURLLoaderOptions; | |
19 using WebKit::WebURLRequest; | |
20 using WebKit::WebURLResponse; | |
21 | |
22 namespace webkit_media { | |
23 | |
24 static const int kHttpOK = 200; | |
25 | |
26 MediaInfoLoader::MediaInfoLoader( | |
27 const GURL& url, | |
28 WebKit::WebMediaPlayer::CORSMode cors_mode, | |
29 const ReadyCB& ready_cb) | |
30 : loader_failed_(false), | |
31 url_(url), | |
32 cors_mode_(cors_mode), | |
33 single_origin_(true), | |
34 ready_cb_(ready_cb) {} | |
35 | |
36 MediaInfoLoader::~MediaInfoLoader() {} | |
37 | |
38 void MediaInfoLoader::Start(WebKit::WebFrame* frame) { | |
39 // Make sure we have not started. | |
40 DCHECK(!ready_cb_.is_null()); | |
41 CHECK(frame); | |
42 | |
43 start_time_ = base::TimeTicks::Now(); | |
44 | |
45 // Prepare the request. | |
46 WebURLRequest request(url_); | |
47 request.setTargetType(WebURLRequest::TargetIsMedia); | |
48 frame->setReferrerForRequest(request, WebKit::WebURL()); | |
49 | |
50 scoped_ptr<WebURLLoader> loader; | |
51 if (test_loader_) { | |
52 loader = test_loader_.Pass(); | |
53 } else { | |
54 WebURLLoaderOptions options; | |
55 if (cors_mode_ == WebKit::WebMediaPlayer::CORSModeUnspecified) { | |
56 options.allowCredentials = true; | |
57 options.crossOriginRequestPolicy = | |
58 WebURLLoaderOptions::CrossOriginRequestPolicyAllow; | |
59 } else { | |
60 options.exposeAllResponseHeaders = true; | |
61 options.crossOriginRequestPolicy = | |
62 WebURLLoaderOptions::CrossOriginRequestPolicyUseAccessControl; | |
63 if (cors_mode_ == WebKit::WebMediaPlayer::CORSModeUseCredentials) | |
64 options.allowCredentials = true; | |
65 } | |
66 loader.reset(frame->createAssociatedURLLoader(options)); | |
67 } | |
68 | |
69 // Start the resource loading. | |
70 loader->loadAsynchronously(request, this); | |
71 active_loader_.reset(new ActiveLoader(loader.Pass())); | |
72 } | |
73 | |
74 ///////////////////////////////////////////////////////////////////////////// | |
75 // WebKit::WebURLLoaderClient implementation. | |
76 void MediaInfoLoader::willSendRequest( | |
77 WebURLLoader* loader, | |
78 WebURLRequest& newRequest, | |
79 const WebURLResponse& redirectResponse) { | |
80 // The load may have been stopped and |ready_cb| is destroyed. | |
81 // In this case we shouldn't do anything. | |
82 if (ready_cb_.is_null()) { | |
83 // Set the url in the request to an invalid value (empty url). | |
84 newRequest.setURL(WebKit::WebURL()); | |
85 return; | |
86 } | |
87 | |
88 // Only allow |single_origin_| if we haven't seen a different origin yet. | |
89 if (single_origin_) | |
90 single_origin_ = url_.GetOrigin() == GURL(newRequest.url()).GetOrigin(); | |
91 | |
92 url_ = newRequest.url(); | |
93 } | |
94 | |
95 void MediaInfoLoader::didSendData( | |
96 WebURLLoader* loader, | |
97 unsigned long long bytes_sent, | |
98 unsigned long long total_bytes_to_be_sent) { | |
99 NOTIMPLEMENTED(); | |
100 } | |
101 | |
102 void MediaInfoLoader::didReceiveResponse( | |
103 WebURLLoader* loader, | |
104 const WebURLResponse& response) { | |
105 DVLOG(1) << "didReceiveResponse: HTTP/" | |
106 << (response.httpVersion() == WebURLResponse::HTTP_0_9 ? "0.9" : | |
107 response.httpVersion() == WebURLResponse::HTTP_1_0 ? "1.0" : | |
108 response.httpVersion() == WebURLResponse::HTTP_1_1 ? "1.1" : | |
109 "Unknown") | |
110 << " " << response.httpStatusCode(); | |
111 DCHECK(active_loader_.get()); | |
112 if (response.httpStatusCode() == kHttpOK) { | |
113 DidBecomeReady(kOk); | |
114 return; | |
115 } | |
116 loader_failed_ = true; | |
117 DidBecomeReady(kFailed); | |
118 } | |
119 | |
120 void MediaInfoLoader::didReceiveData( | |
121 WebURLLoader* loader, | |
122 const char* data, | |
123 int data_length, | |
124 int encoded_data_length) { | |
125 // Ignored. | |
126 } | |
127 | |
128 void MediaInfoLoader::didDownloadData( | |
129 WebKit::WebURLLoader* loader, | |
130 int dataLength) { | |
131 NOTIMPLEMENTED(); | |
132 } | |
133 | |
134 void MediaInfoLoader::didReceiveCachedMetadata( | |
135 WebURLLoader* loader, | |
136 const char* data, | |
137 int data_length) { | |
138 NOTIMPLEMENTED(); | |
139 } | |
140 | |
141 void MediaInfoLoader::didFinishLoading( | |
142 WebURLLoader* loader, | |
143 double finishTime) { | |
144 DCHECK(active_loader_.get()); | |
145 DidBecomeReady(kOk); | |
146 } | |
147 | |
148 void MediaInfoLoader::didFail( | |
149 WebURLLoader* loader, | |
150 const WebURLError& error) { | |
151 DVLOG(1) << "didFail: reason=" << error.reason | |
152 << ", isCancellation=" << error.isCancellation | |
153 << ", domain=" << error.domain.utf8().data() | |
154 << ", localizedDescription=" | |
155 << error.localizedDescription.utf8().data(); | |
156 DCHECK(active_loader_.get()); | |
157 loader_failed_ = true; | |
158 DidBecomeReady(kFailed); | |
159 } | |
160 | |
161 bool MediaInfoLoader::HasSingleOrigin() const { | |
162 DCHECK(ready_cb_.is_null()) | |
163 << "Must become ready before calling HasSingleOrigin()"; | |
164 return single_origin_; | |
165 } | |
166 | |
167 bool MediaInfoLoader::DidPassCORSAccessCheck() const { | |
168 DCHECK(ready_cb_.is_null()) | |
169 << "Must become ready before calling DidPassCORSAccessCheck()"; | |
170 return !loader_failed_ && | |
171 cors_mode_ != WebKit::WebMediaPlayer::CORSModeUnspecified; | |
172 } | |
173 | |
174 ///////////////////////////////////////////////////////////////////////////// | |
175 // Helper methods. | |
176 | |
177 void MediaInfoLoader::DidBecomeReady(Status status) { | |
178 UMA_HISTOGRAM_TIMES("Media.InfoLoadDelay", | |
179 base::TimeTicks::Now() - start_time_); | |
180 active_loader_.reset(); | |
181 if (!ready_cb_.is_null()) | |
182 base::ResetAndReturn(&ready_cb_).Run(status); | |
183 } | |
184 | |
185 } // namespace webkit_media | |
OLD | NEW |