Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 |
| 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 GOOGLE INC. ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include "core/loader/DocumentLoadTiming.h" |
| 28 | |
Torne (Richard Coles) | e524955 | 2013-05-15 11:35:13 +0100 | [diff] [blame] | 29 | #include "weborigin/SecurityOrigin.h" |
Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 30 | #include "wtf/CurrentTime.h" |
| 31 | #include "wtf/RefPtr.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 32 | |
| 33 | namespace WebCore { |
| 34 | |
| 35 | DocumentLoadTiming::DocumentLoadTiming() |
| 36 | : m_referenceMonotonicTime(0.0) |
| 37 | , m_referenceWallTime(0.0) |
| 38 | , m_navigationStart(0.0) |
| 39 | , m_unloadEventStart(0.0) |
| 40 | , m_unloadEventEnd(0.0) |
| 41 | , m_redirectStart(0.0) |
| 42 | , m_redirectEnd(0.0) |
| 43 | , m_redirectCount(0) |
| 44 | , m_fetchStart(0.0) |
| 45 | , m_responseEnd(0.0) |
| 46 | , m_loadEventStart(0.0) |
| 47 | , m_loadEventEnd(0.0) |
| 48 | , m_hasCrossOriginRedirect(false) |
| 49 | , m_hasSameOriginAsPreviousDocument(false) |
| 50 | { |
| 51 | } |
| 52 | |
| 53 | double DocumentLoadTiming::monotonicTimeToZeroBasedDocumentTime(double monotonicTime) const |
| 54 | { |
| 55 | if (!monotonicTime) |
| 56 | return 0.0; |
| 57 | return monotonicTime - m_referenceMonotonicTime; |
| 58 | } |
| 59 | |
| 60 | double DocumentLoadTiming::monotonicTimeToPseudoWallTime(double monotonicTime) const |
| 61 | { |
| 62 | if (!monotonicTime) |
| 63 | return 0.0; |
| 64 | return m_referenceWallTime + monotonicTime - m_referenceMonotonicTime; |
| 65 | } |
| 66 | |
| 67 | void DocumentLoadTiming::markNavigationStart() |
| 68 | { |
| 69 | ASSERT(!m_navigationStart && !m_referenceMonotonicTime && !m_referenceWallTime); |
| 70 | |
| 71 | m_navigationStart = m_referenceMonotonicTime = monotonicallyIncreasingTime(); |
| 72 | m_referenceWallTime = currentTime(); |
| 73 | } |
| 74 | |
| 75 | void DocumentLoadTiming::setNavigationStart(double navigationStart) |
| 76 | { |
| 77 | ASSERT(m_referenceMonotonicTime && m_referenceWallTime); |
| 78 | m_navigationStart = navigationStart; |
| 79 | } |
| 80 | |
| 81 | void DocumentLoadTiming::addRedirect(const KURL& redirectingUrl, const KURL& redirectedUrl) |
| 82 | { |
| 83 | m_redirectCount++; |
| 84 | if (!m_redirectStart) |
| 85 | m_redirectStart = m_fetchStart; |
| 86 | m_redirectEnd = m_fetchStart = monotonicallyIncreasingTime(); |
| 87 | // Check if the redirected url is allowed to access the redirecting url's timing information. |
| 88 | RefPtr<SecurityOrigin> redirectedSecurityOrigin = SecurityOrigin::create(redirectedUrl); |
| 89 | m_hasCrossOriginRedirect = !redirectedSecurityOrigin->canRequest(redirectingUrl); |
| 90 | } |
| 91 | |
| 92 | } // namespace WebCore |