1 files changed, 95 insertions, 0 deletions
diff --git a/Source/WebCore/loader/LoadTiming.cpp b/Source/WebCore/loader/LoadTiming.cpp
new file mode 100644
index 000000000..feb0a9b4e
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+++ b/Source/WebCore/loader/LoadTiming.cpp
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+/*
+ * Copyright (C) 2011 Google, Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "LoadTiming.h"
+
+#include "Document.h"
+#include "DocumentLoader.h"
+#include "Frame.h"
+#include "SecurityOrigin.h"
+#include <wtf/CurrentTime.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+Seconds LoadTiming::secondsSinceStartTime(MonotonicTime timeStamp) const
+{
+    if (!timeStamp)
+        return Seconds(0);
+
+    return timeStamp - m_referenceMonotonicTime;
+}
+
+WallTime LoadTiming::monotonicTimeToPseudoWallTime(MonotonicTime timeStamp) const
+{
+    if (!timeStamp)
+        return WallTime::fromRawSeconds(0);
+
+    return m_referenceWallTime + (timeStamp - m_referenceMonotonicTime);
+}
+
+void LoadTiming::markStartTime()
+{
+    ASSERT(!m_startTime && !m_referenceMonotonicTime && !m_referenceWallTime);
+
+    m_referenceMonotonicTime = m_startTime = MonotonicTime::now();
+    m_referenceWallTime = WallTime::now();
+}
+
+void LoadTiming::addRedirect(const URL& redirectingUrl, const URL& redirectedUrl)
+{
+    m_redirectCount++;
+    if (!m_redirectStart)
+        m_redirectStart = m_fetchStart;
+    m_redirectEnd = m_fetchStart = MonotonicTime::now();
+    // Check if the redirected url is allowed to access the redirecting url's timing information.
+    Ref<SecurityOrigin> redirectedSecurityOrigin(SecurityOrigin::create(redirectedUrl));
+    m_hasCrossOriginRedirect = !redirectedSecurityOrigin.get().canRequest(redirectingUrl);
+}
+
+LoadTiming LoadTiming::isolatedCopy() const
+{
+    LoadTiming result;
+
+    result.m_referenceWallTime = m_referenceWallTime;
+    result.m_referenceMonotonicTime = m_referenceMonotonicTime;
+    result.m_startTime = m_startTime;
+    result.m_unloadEventStart = m_unloadEventStart;
+    result.m_unloadEventEnd = m_unloadEventEnd;
+    result.m_redirectStart = m_redirectStart;
+    result.m_redirectEnd = m_redirectEnd;
+    result.m_fetchStart = m_fetchStart;
+    result.m_responseEnd = m_responseEnd;
+    result.m_loadEventStart = m_loadEventStart;
+    result.m_loadEventEnd = m_loadEventEnd;
+    result.m_redirectCount = m_redirectCount;
+    result.m_hasCrossOriginRedirect = m_hasCrossOriginRedirect;
+    result.m_hasSameOriginAsPreviousDocument = m_hasSameOriginAsPreviousDocument;
+
+    return result;
+}
+
+} // namespace WebCore