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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * Copyright (C) 2012 Intel Inc. All rights reserved. | 3 * Copyright (C) 2012 Intel Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
7 * met: | 7 * met: |
8 * | 8 * |
9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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33 #include "core/page/Performance.h" | 33 #include "core/page/Performance.h" |
34 | 34 |
35 #include "core/dom/Document.h" | 35 #include "core/dom/Document.h" |
36 #include "core/loader/DocumentLoader.h" | 36 #include "core/loader/DocumentLoader.h" |
37 #include "core/page/MemoryInfo.h" | 37 #include "core/page/MemoryInfo.h" |
38 #include "core/page/PerformanceEntry.h" | 38 #include "core/page/PerformanceEntry.h" |
39 #include "core/page/PerformanceNavigation.h" | 39 #include "core/page/PerformanceNavigation.h" |
40 #include "core/page/PerformanceResourceTiming.h" | 40 #include "core/page/PerformanceResourceTiming.h" |
41 #include "core/page/PerformanceTiming.h" | 41 #include "core/page/PerformanceTiming.h" |
42 #include "core/page/PerformanceUserTiming.h" | 42 #include "core/page/PerformanceUserTiming.h" |
| 43 #include "core/page/ResourceTimingInfo.h" |
| 44 #include "weborigin/SecurityOrigin.h" |
43 #include <wtf/CurrentTime.h> | 45 #include <wtf/CurrentTime.h> |
44 | 46 |
45 #include "core/page/Frame.h" | 47 #include "core/page/Frame.h" |
46 | 48 |
47 namespace WebCore { | 49 namespace WebCore { |
48 | 50 |
49 static const size_t defaultResourceTimingBufferSize = 150; | 51 static const size_t defaultResourceTimingBufferSize = 150; |
50 | 52 |
51 Performance::Performance(Frame* frame) | 53 Performance::Performance(Frame* frame) |
52 : DOMWindowProperty(frame) | 54 : DOMWindowProperty(frame) |
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152 m_resourceTimingBuffer.clear(); | 154 m_resourceTimingBuffer.clear(); |
153 } | 155 } |
154 | 156 |
155 void Performance::webkitSetResourceTimingBufferSize(unsigned size) | 157 void Performance::webkitSetResourceTimingBufferSize(unsigned size) |
156 { | 158 { |
157 m_resourceTimingBufferSize = size; | 159 m_resourceTimingBufferSize = size; |
158 if (isResourceTimingBufferFull()) | 160 if (isResourceTimingBufferFull()) |
159 dispatchEvent(Event::create(eventNames().webkitresourcetimingbufferfullE
vent, false, false)); | 161 dispatchEvent(Event::create(eventNames().webkitresourcetimingbufferfullE
vent, false, false)); |
160 } | 162 } |
161 | 163 |
162 void Performance::addResourceTiming(const String& initiatorName, Document* initi
atorDocument, const ResourceRequest& request, const ResourceResponse& response,
double initiationTime, double finishTime) | 164 static bool passesTimingAllowCheck(const ResourceResponse& response, Document* r
equestingDocument) |
| 165 { |
| 166 AtomicallyInitializedStatic(AtomicString&, timingAllowOrigin = *new AtomicSt
ring("timing-allow-origin")); |
| 167 |
| 168 RefPtr<SecurityOrigin> resourceOrigin = SecurityOrigin::create(response.url(
)); |
| 169 if (resourceOrigin->isSameSchemeHostPort(requestingDocument->securityOrigin(
))) |
| 170 return true; |
| 171 |
| 172 const String& timingAllowOriginString = response.httpHeaderField(timingAllow
Origin); |
| 173 if (timingAllowOriginString.isEmpty() || equalIgnoringCase(timingAllowOrigin
String, "null")) |
| 174 return false; |
| 175 |
| 176 if (timingAllowOriginString == "*") |
| 177 return true; |
| 178 |
| 179 const String& securityOrigin = requestingDocument->securityOrigin()->toStrin
g(); |
| 180 Vector<String> timingAllowOrigins; |
| 181 timingAllowOriginString.split(" ", timingAllowOrigins); |
| 182 for (size_t i = 0; i < timingAllowOrigins.size(); ++i) { |
| 183 if (timingAllowOrigins[i] == securityOrigin) |
| 184 return true; |
| 185 } |
| 186 |
| 187 return false; |
| 188 } |
| 189 |
| 190 static bool allowsTimingRedirect(const Vector<ResourceResponse>& redirectChain,
const ResourceResponse& finalResponse, Document* initiatorDocument) |
| 191 { |
| 192 if (!passesTimingAllowCheck(finalResponse, initiatorDocument)) |
| 193 return false; |
| 194 |
| 195 for (size_t i = 0; i < redirectChain.size(); i++) { |
| 196 if (!passesTimingAllowCheck(redirectChain[i], initiatorDocument)) |
| 197 return false; |
| 198 } |
| 199 |
| 200 return true; |
| 201 } |
| 202 |
| 203 void Performance::addResourceTiming(const ResourceTimingInfo& info, Document* in
itiatorDocument) |
163 { | 204 { |
164 if (isResourceTimingBufferFull()) | 205 if (isResourceTimingBufferFull()) |
165 return; | 206 return; |
166 | 207 |
167 RefPtr<PerformanceEntry> entry = PerformanceResourceTiming::create(initiator
Name, request, response, initiationTime, finishTime, initiatorDocument); | 208 const ResourceResponse& finalResponse = info.finalResponse(); |
| 209 bool allowTimingDetails = passesTimingAllowCheck(finalResponse, initiatorDoc
ument); |
| 210 double startTime = info.initialTime(); |
168 | 211 |
| 212 if (info.redirectChain().isEmpty()) { |
| 213 RefPtr<PerformanceEntry> entry = PerformanceResourceTiming::create(info,
initiatorDocument, startTime, allowTimingDetails); |
| 214 addResourceTimingBuffer(entry); |
| 215 return; |
| 216 } |
| 217 |
| 218 const Vector<ResourceResponse>& redirectChain = info.redirectChain(); |
| 219 bool allowRedirectDetails = allowsTimingRedirect(redirectChain, finalRespons
e, initiatorDocument); |
| 220 |
| 221 if (!allowRedirectDetails) { |
| 222 ResourceLoadTiming* finalTiming = finalResponse.resourceLoadTiming(); |
| 223 ASSERT(finalTiming); |
| 224 startTime = finalTiming->requestTime; |
| 225 } |
| 226 |
| 227 ResourceLoadTiming* lastRedirectTiming = redirectChain.last().resourceLoadTi
ming(); |
| 228 ASSERT(lastRedirectTiming); |
| 229 double lastRedirectEndTime = lastRedirectTiming->receiveHeadersEnd; |
| 230 |
| 231 RefPtr<PerformanceEntry> entry = PerformanceResourceTiming::create(info, ini
tiatorDocument, startTime, lastRedirectEndTime, allowTimingDetails, allowRedirec
tDetails); |
| 232 addResourceTimingBuffer(entry); |
| 233 } |
| 234 |
| 235 void Performance::addResourceTimingBuffer(PassRefPtr<PerformanceEntry> entry) |
| 236 { |
169 m_resourceTimingBuffer.append(entry); | 237 m_resourceTimingBuffer.append(entry); |
170 | 238 |
171 if (isResourceTimingBufferFull()) | 239 if (isResourceTimingBufferFull()) |
172 dispatchEvent(Event::create(eventNames().webkitresourcetimingbufferfullE
vent, false, false)); | 240 dispatchEvent(Event::create(eventNames().webkitresourcetimingbufferfullE
vent, false, false)); |
173 } | 241 } |
174 | 242 |
175 bool Performance::isResourceTimingBufferFull() | 243 bool Performance::isResourceTimingBufferFull() |
176 { | 244 { |
177 return m_resourceTimingBuffer.size() >= m_resourceTimingBufferSize; | 245 return m_resourceTimingBuffer.size() >= m_resourceTimingBufferSize; |
178 } | 246 } |
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216 m_userTiming = UserTiming::create(this); | 284 m_userTiming = UserTiming::create(this); |
217 m_userTiming->clearMeasures(measureName); | 285 m_userTiming->clearMeasures(measureName); |
218 } | 286 } |
219 | 287 |
220 double Performance::now() const | 288 double Performance::now() const |
221 { | 289 { |
222 return 1000.0 * m_frame->document()->loader()->timing()->monotonicTimeToZero
BasedDocumentTime(monotonicallyIncreasingTime()); | 290 return 1000.0 * m_frame->document()->loader()->timing()->monotonicTimeToZero
BasedDocumentTime(monotonicallyIncreasingTime()); |
223 } | 291 } |
224 | 292 |
225 } // namespace WebCore | 293 } // namespace WebCore |
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