1 files changed, 110 insertions, 0 deletions
diff --git a/Source/WebCore/loader/ResourceTimingInformation.cpp b/Source/WebCore/loader/ResourceTimingInformation.cpp
new file mode 100644
index 000000000..5ef15536c
--- /dev/null
+++ b/Source/WebCore/loader/ResourceTimingInformation.cpp
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2016 Akamai Technologies 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 THE COPYRIGHT
+ * OWNER 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 "ResourceTimingInformation.h"
+
+#if ENABLE(WEB_TIMING)
+
+#include "CachedResource.h"
+#include "DOMWindow.h"
+#include "Document.h"
+#include "Frame.h"
+#include "HTMLFrameOwnerElement.h"
+#include "LoadTiming.h"
+#include "Performance.h"
+#include "ResourceTiming.h"
+#include "RuntimeEnabledFeatures.h"
+
+namespace WebCore {
+
+bool ResourceTimingInformation::shouldAddResourceTiming(CachedResource& resource)
+{
+    // FIXME: We can be less restrictive here.
+    // <https://github.com/w3c/resource-timing/issues/100>
+    if (!resource.resourceRequest().url().protocolIsInHTTPFamily())
+        return false;
+    if (resource.response().httpStatusCode() >= 400)
+        return false;
+    if (resource.errorOccurred())
+        return false;
+    if (resource.wasCanceled())
+        return false;
+
+    return true;
+}
+
+void ResourceTimingInformation::addResourceTiming(CachedResource& resource, Document& document, ResourceTiming&& resourceTiming)
+{
+    ASSERT(RuntimeEnabledFeatures::sharedFeatures().resourceTimingEnabled());
+    if (!ResourceTimingInformation::shouldAddResourceTiming(resource))
+        return;
+
+    auto iterator = m_initiatorMap.find(&resource);
+    if (iterator == m_initiatorMap.end())
+        return;
+
+    InitiatorInfo& info = iterator->value;
+    if (info.added == Added)
+        return;
+
+    Document* initiatorDocument = &document;
+    if (resource.type() == CachedResource::MainResource)
+        initiatorDocument = document.parentDocument();
+    if (!initiatorDocument)
+        return;
+    if (!initiatorDocument->domWindow())
+        return;
+    if (!initiatorDocument->domWindow()->performance())
+        return;
+
+    resourceTiming.overrideInitiatorName(info.name);
+
+    initiatorDocument->domWindow()->performance()->addResourceTiming(WTFMove(resourceTiming));
+
+    info.added = Added;
+}
+
+void ResourceTimingInformation::storeResourceTimingInitiatorInformation(const CachedResourceHandle<CachedResource>& resource, const AtomicString& initiatorName, Frame* frame)
+{
+    ASSERT(RuntimeEnabledFeatures::sharedFeatures().resourceTimingEnabled());
+    ASSERT(resource.get());
+
+    if (resource->type() == CachedResource::MainResource) {
+        // <iframe>s should report the initial navigation requested by the parent document, but not subsequent navigations.
+        ASSERT(frame);
+        if (frame->ownerElement()) {
+            InitiatorInfo info = { frame->ownerElement()->localName(), NotYetAdded };
+            m_initiatorMap.add(resource.get(), info);
+        }
+    } else {
+        InitiatorInfo info = { initiatorName, NotYetAdded };
+        m_initiatorMap.add(resource.get(), info);
+    }
+}
+
+}
+
+#endif // ENABLE(WEB_TIMING)