Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 93 insertions, 0 deletions

diff --git a/Source/WebCore/loader/DocumentLoadTiming.cpp b/Source/WebCore/loader/DocumentLoadTiming.cpp
new file mode 100644
index 000000000..a2f5ecbb9
--- /dev/null
+++ b/Source/WebCore/loader/DocumentLoadTiming.cpp
@@ -0,0 +1,93 @@
+/*
+ * 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 "DocumentLoadTiming.h"
+
+#include "Document.h"
+#include "DocumentLoader.h"
+#include "Frame.h"
+#include "Page.h"
+#include "SecurityOrigin.h"
+#include <wtf/CurrentTime.h>
+#include <wtf/RefPtr.h>
+
+namespace WebCore {
+
+DocumentLoadTiming::DocumentLoadTiming()
+    : m_referenceMonotonicTime(0.0)
+    , m_referenceWallTime(0.0)
+    , m_navigationStart(0.0)
+    , m_unloadEventStart(0.0)
+    , m_unloadEventEnd(0.0)
+    , m_redirectStart(0.0)
+    , m_redirectEnd(0.0)
+    , m_redirectCount(0)
+    , m_fetchStart(0.0)
+    , m_responseEnd(0.0)
+    , m_loadEventStart(0.0)
+    , m_loadEventEnd(0.0)
+    , m_hasCrossOriginRedirect(false)
+    , m_hasSameOriginAsPreviousDocument(false)
+{
+}
+
+void DocumentLoadTiming::markNavigationStart(Frame* frame)
+{
+    ASSERT(frame);
+    ASSERT(!m_navigationStart && !m_referenceMonotonicTime && !m_referenceWallTime);
+
+    if (frame->page()->mainFrame() == frame) {
+        m_navigationStart = m_referenceMonotonicTime = monotonicallyIncreasingTime();
+        m_referenceWallTime = currentTime();
+    } else {
+        Document* rootDocument = frame->page()->mainFrame()->document();
+        ASSERT(rootDocument);
+        DocumentLoadTiming* rootTiming = rootDocument->loader()->timing();
+        m_referenceMonotonicTime = rootTiming->m_referenceMonotonicTime;
+        m_referenceWallTime = rootTiming->m_referenceWallTime;
+        m_navigationStart = monotonicallyIncreasingTime();
+    }
+}
+
+void DocumentLoadTiming::addRedirect(const KURL& redirectingUrl, const KURL& redirectedUrl)
+{
+    m_redirectCount++;
+    if (!m_redirectStart)
+        m_redirectStart = m_fetchStart;
+    m_redirectEnd = m_fetchStart = monotonicallyIncreasingTime();
+    // Check if the redirected url is allowed to access the redirecting url's timing information.
+    RefPtr<SecurityOrigin> redirectedSecurityOrigin = SecurityOrigin::create(redirectedUrl);
+    m_hasCrossOriginRedirect = !redirectedSecurityOrigin->canRequest(redirectingUrl);
+}
+
+double DocumentLoadTiming::convertMonotonicTimeToDocumentTime(double monotonicTime) const
+{
+    if (!monotonicTime)
+        return 0.0;
+    return m_referenceWallTime + monotonicTime - m_referenceMonotonicTime;
+}
+
+} // namespace WebCore