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diff --git a/dom/performance/PerformanceTiming.h b/dom/performance/PerformanceTiming.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_PerformanceTiming_h
+#define mozilla_dom_PerformanceTiming_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/BasePrincipal.h"
+#include "mozilla/StaticPrefs_dom.h"
+#include "nsContentUtils.h"
+#include "nsDOMNavigationTiming.h"
+#include "nsRFPService.h"
+#include "nsWrapperCache.h"
+#include "Performance.h"
+#include "nsITimedChannel.h"
+#include "mozilla/dom/PerformanceTimingTypes.h"
+#include "mozilla/ipc/IPDLParamTraits.h"
+#include "ipc/IPCMessageUtils.h"
+#include "ipc/IPCMessageUtilsSpecializations.h"
+#include "mozilla/net/nsServerTiming.h"
+
+class nsIHttpChannel;
+
+namespace mozilla::dom {
+
+class PerformanceTiming;
+
+class PerformanceTimingData final {
+ friend class PerformanceTiming;
+ friend struct mozilla::ipc::IPDLParamTraits<
+ mozilla::dom::PerformanceTimingData>;
+
+ public:
+ PerformanceTimingData() = default; // For deserialization
+ // This can return null.
+ static PerformanceTimingData* Create(nsITimedChannel* aChannel,
+ nsIHttpChannel* aHttpChannel,
+ DOMHighResTimeStamp aZeroTime,
+ nsAString& aInitiatorType,
+ nsAString& aEntryName);
+
+ PerformanceTimingData(nsITimedChannel* aChannel, nsIHttpChannel* aHttpChannel,
+ DOMHighResTimeStamp aZeroTime);
+
+ explicit PerformanceTimingData(const IPCPerformanceTimingData& aIPCData);
+
+ IPCPerformanceTimingData ToIPC();
+
+ void SetPropertiesFromHttpChannel(nsIHttpChannel* aHttpChannel,
+ nsITimedChannel* aChannel);
+
+ bool IsInitialized() const { return mInitialized; }
+
+ const nsString& NextHopProtocol() const { return mNextHopProtocol; }
+
+ uint64_t TransferSize() const { return mTransferSize; }
+
+ uint64_t EncodedBodySize() const { return mEncodedBodySize; }
+
+ uint64_t DecodedBodySize() const { return mDecodedBodySize; }
+
+ /**
+ * @param aStamp
+ * The TimeStamp recorded for a specific event. This TimeStamp can
+ * be null.
+ * @return the duration of an event with a given TimeStamp, relative to the
+ * navigationStart TimeStamp (the moment the user landed on the
+ * page), if the given TimeStamp is valid. Otherwise, it will return
+ * the FetchStart timing value.
+ */
+ inline DOMHighResTimeStamp TimeStampToReducedDOMHighResOrFetchStart(
+ Performance* aPerformance, TimeStamp aStamp) {
+ MOZ_ASSERT(aPerformance);
+
+ if (aStamp.IsNull()) {
+ return FetchStartHighRes(aPerformance);
+ }
+
+ DOMHighResTimeStamp rawTimestamp =
+ TimeStampToDOMHighRes(aPerformance, aStamp);
+
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ rawTimestamp, aPerformance->GetRandomTimelineSeed(),
+ aPerformance->GetRTPCallerType());
+ }
+
+ /**
+ * The nsITimedChannel records an absolute timestamp for each event.
+ * The nsDOMNavigationTiming will record the moment when the user landed on
+ * the page. This is a window.performance unique timestamp, so it can be used
+ * for all the events (navigation timing and resource timing events).
+ *
+ * The algorithm operates in 2 steps:
+ * 1. The first step is to subtract the two timestamps: the argument (the
+ * event's timestamp) and the navigation start timestamp. This will result in
+ * a relative timestamp of the event (relative to the navigation start -
+ * window.performance.timing.navigationStart).
+ * 2. The second step is to add any required offset (the mZeroTime). For now,
+ * this offset value is either 0 (for the resource timing), or equal to
+ * "performance.navigationStart" (for navigation timing).
+ * For the resource timing, mZeroTime is set to 0, causing the result to be a
+ * relative time.
+ * For the navigation timing, mZeroTime is set to
+ * "performance.navigationStart" causing the result be an absolute time.
+ *
+ * @param aStamp
+ * The TimeStamp recorded for a specific event. This TimeStamp can't
+ * be null.
+ * @return number of milliseconds value as one of:
+ * - relative to the navigation start time, time the user has landed on the
+ * page
+ * - an absolute wall clock time since the unix epoch
+ */
+ inline DOMHighResTimeStamp TimeStampToDOMHighRes(Performance* aPerformance,
+ TimeStamp aStamp) const {
+ MOZ_ASSERT(aPerformance);
+ MOZ_ASSERT(!aStamp.IsNull());
+
+ TimeDuration duration = aStamp - aPerformance->CreationTimeStamp();
+ return duration.ToMilliseconds() + mZeroTime;
+ }
+
+ // The last channel's AsyncOpen time. This may occur before the FetchStart
+ // in some cases.
+ DOMHighResTimeStamp AsyncOpenHighRes(Performance* aPerformance);
+
+ // High resolution (used by resource timing)
+ DOMHighResTimeStamp WorkerStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp FetchStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp RedirectStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp RedirectEndHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp DomainLookupStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp DomainLookupEndHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp ConnectStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp SecureConnectionStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp ConnectEndHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp RequestStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp ResponseStartHighRes(Performance* aPerformance);
+ DOMHighResTimeStamp ResponseEndHighRes(Performance* aPerformance);
+
+ DOMHighResTimeStamp ZeroTime() const { return mZeroTime; }
+
+ uint8_t RedirectCountReal() const { return mRedirectCount; }
+ uint8_t GetRedirectCount() const;
+
+ bool AllRedirectsSameOrigin() const { return mAllRedirectsSameOrigin; }
+
+ // If this is false the values of redirectStart/End will be 0 This is false if
+ // no redirects occured, or if any of the responses failed the
+ // timing-allow-origin check in HttpBaseChannel::TimingAllowCheck
+ //
+ // If aEnsureSameOriginAndIgnoreTAO is false, it checks if all redirects pass
+ // TAO. When it is true, it checks if all redirects are same-origin and
+ // ignores the result of TAO.
+ bool ShouldReportCrossOriginRedirect(
+ bool aEnsureSameOriginAndIgnoreTAO) const;
+
+ // Cached result of CheckAllowedOrigin. If false, security sensitive
+ // attributes of the resourceTiming object will be set to 0
+ bool TimingAllowed() const { return mTimingAllowed; }
+
+ nsTArray<nsCOMPtr<nsIServerTiming>> GetServerTiming();
+
+ private:
+ // Checks if the resource is either same origin as the page that started
+ // the load, or if the response contains the Timing-Allow-Origin header
+ // with a value of * or matching the domain of the loading Principal
+ bool CheckAllowedOrigin(nsIHttpChannel* aResourceChannel,
+ nsITimedChannel* aChannel);
+
+ nsTArray<nsCOMPtr<nsIServerTiming>> mServerTiming;
+ nsString mNextHopProtocol;
+
+ TimeStamp mAsyncOpen;
+ TimeStamp mRedirectStart;
+ TimeStamp mRedirectEnd;
+ TimeStamp mDomainLookupStart;
+ TimeStamp mDomainLookupEnd;
+ TimeStamp mConnectStart;
+ TimeStamp mSecureConnectionStart;
+ TimeStamp mConnectEnd;
+ TimeStamp mRequestStart;
+ TimeStamp mResponseStart;
+ TimeStamp mCacheReadStart;
+ TimeStamp mResponseEnd;
+ TimeStamp mCacheReadEnd;
+
+ // ServiceWorker interception timing information
+ TimeStamp mWorkerStart;
+ TimeStamp mWorkerRequestStart;
+ TimeStamp mWorkerResponseEnd;
+
+ // This is an offset that will be added to each timing ([ms] resolution).
+ // There are only 2 possible values: (1) logicaly equal to navigationStart
+ // TimeStamp (results are absolute timstamps - wallclock); (2) "0" (results
+ // are relative to the navigation start).
+ DOMHighResTimeStamp mZeroTime = 0;
+
+ DOMHighResTimeStamp mFetchStart = 0;
+
+ uint64_t mEncodedBodySize = 0;
+ uint64_t mTransferSize = 0;
+ uint64_t mDecodedBodySize = 0;
+
+ uint8_t mRedirectCount = 0;
+
+ bool mAllRedirectsSameOrigin = false;
+
+ bool mAllRedirectsPassTAO = false;
+
+ bool mSecureConnection = false;
+
+ bool mTimingAllowed = false;
+
+ bool mInitialized = false;
+};
+
+// Script "performance.timing" object
+class PerformanceTiming final : public nsWrapperCache {
+ public:
+ /**
+ * @param aPerformance
+ * The performance object (the JS parent).
+ * This will allow access to "window.performance.timing" attribute
+ * for the navigation timing (can't be null).
+ * @param aChannel
+ * An nsITimedChannel used to gather all the networking timings by
+ * both the navigation timing and the resource timing (can't be null).
+ * @param aHttpChannel
+ * An nsIHttpChannel (the resource's http channel).
+ * This will be used by the resource timing cross-domain check
+ * algorithm.
+ * Argument is null for the navigation timing (navigation timing uses
+ * another algorithm for the cross-domain redirects).
+ * @param aZeroTime
+ * The offset that will be added to the timestamp of each event. This
+ * argument should be equal to performance.navigationStart for
+ * navigation timing and "0" for the resource timing.
+ */
+ PerformanceTiming(Performance* aPerformance, nsITimedChannel* aChannel,
+ nsIHttpChannel* aHttpChannel,
+ DOMHighResTimeStamp aZeroTime);
+ NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PerformanceTiming)
+ NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(PerformanceTiming)
+
+ nsDOMNavigationTiming* GetDOMTiming() const {
+ return mPerformance->GetDOMTiming();
+ }
+
+ Performance* GetParentObject() const { return mPerformance; }
+
+ virtual JSObject* WrapObject(JSContext* cx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ // PerformanceNavigation WebIDL methods
+ DOMTimeMilliSec NavigationStart() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetNavigationStart(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec UnloadEventStart() {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetUnloadEventStart(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec UnloadEventEnd() {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetUnloadEventEnd(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ // Low resolution (used by navigation timing)
+ DOMTimeMilliSec FetchStart();
+ DOMTimeMilliSec RedirectStart();
+ DOMTimeMilliSec RedirectEnd();
+ DOMTimeMilliSec DomainLookupStart();
+ DOMTimeMilliSec DomainLookupEnd();
+ DOMTimeMilliSec ConnectStart();
+ DOMTimeMilliSec SecureConnectionStart();
+ DOMTimeMilliSec ConnectEnd();
+ DOMTimeMilliSec RequestStart();
+ DOMTimeMilliSec ResponseStart();
+ DOMTimeMilliSec ResponseEnd();
+
+ DOMTimeMilliSec DomLoading() {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetDomLoading(), mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec DomInteractive() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetDomInteractive(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec DomContentLoadedEventStart() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetDomContentLoadedEventStart(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec DomContentLoadedEventEnd() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetDomContentLoadedEventEnd(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec DomComplete() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetDomComplete(), mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec LoadEventStart() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetLoadEventStart(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec LoadEventEnd() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetLoadEventEnd(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec TimeToNonBlankPaint() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetTimeToNonBlankPaint(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec TimeToContentfulPaint() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetTimeToContentfulComposite(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec TimeToDOMContentFlushed() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetTimeToDOMContentFlushed(),
+ mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ DOMTimeMilliSec TimeToFirstInteractive() const {
+ if (!StaticPrefs::dom_enable_performance()) {
+ return 0;
+ }
+ return nsRFPService::ReduceTimePrecisionAsMSecs(
+ GetDOMTiming()->GetTimeToTTFI(), mPerformance->GetRandomTimelineSeed(),
+ mPerformance->GetRTPCallerType());
+ }
+
+ PerformanceTimingData* Data() const { return mTimingData.get(); }
+
+ private:
+ ~PerformanceTiming();
+
+ bool IsTopLevelContentDocument() const;
+
+ RefPtr<Performance> mPerformance;
+
+ UniquePtr<PerformanceTimingData> mTimingData;
+};
+
+} // namespace mozilla::dom
+
+namespace mozilla::ipc {
+
+template <>
+struct IPDLParamTraits<mozilla::dom::PerformanceTimingData> {
+ using paramType = mozilla::dom::PerformanceTimingData;
+ static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
+ const paramType& aParam) {
+ WriteIPDLParam(aWriter, aActor, aParam.mServerTiming);
+ WriteIPDLParam(aWriter, aActor, aParam.mNextHopProtocol);
+ WriteIPDLParam(aWriter, aActor, aParam.mAsyncOpen);
+ WriteIPDLParam(aWriter, aActor, aParam.mRedirectStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mRedirectEnd);
+ WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mDomainLookupEnd);
+ WriteIPDLParam(aWriter, aActor, aParam.mConnectStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mSecureConnectionStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mConnectEnd);
+ WriteIPDLParam(aWriter, aActor, aParam.mRequestStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mResponseStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mCacheReadStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mResponseEnd);
+ WriteIPDLParam(aWriter, aActor, aParam.mCacheReadEnd);
+ WriteIPDLParam(aWriter, aActor, aParam.mWorkerStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mWorkerRequestStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mWorkerResponseEnd);
+ WriteIPDLParam(aWriter, aActor, aParam.mZeroTime);
+ WriteIPDLParam(aWriter, aActor, aParam.mFetchStart);
+ WriteIPDLParam(aWriter, aActor, aParam.mEncodedBodySize);
+ WriteIPDLParam(aWriter, aActor, aParam.mTransferSize);
+ WriteIPDLParam(aWriter, aActor, aParam.mDecodedBodySize);
+ WriteIPDLParam(aWriter, aActor, aParam.mRedirectCount);
+ WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsSameOrigin);
+ WriteIPDLParam(aWriter, aActor, aParam.mAllRedirectsPassTAO);
+ WriteIPDLParam(aWriter, aActor, aParam.mSecureConnection);
+ WriteIPDLParam(aWriter, aActor, aParam.mTimingAllowed);
+ WriteIPDLParam(aWriter, aActor, aParam.mInitialized);
+ }
+
+ static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
+ paramType* aResult) {
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mServerTiming)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mNextHopProtocol)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mAsyncOpen)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectEnd)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mDomainLookupEnd)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnectionStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mConnectEnd)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mRequestStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mResponseEnd)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mCacheReadEnd)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerRequestStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mWorkerResponseEnd)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mZeroTime)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mFetchStart)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mEncodedBodySize)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mTransferSize)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mDecodedBodySize)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mRedirectCount)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsSameOrigin)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mAllRedirectsPassTAO)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mSecureConnection)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mTimingAllowed)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &aResult->mInitialized)) {
+ return false;
+ }
+ return true;
+ }
+};
+
+template <>
+struct IPDLParamTraits<nsIServerTiming*> {
+ static void Write(IPC::MessageWriter* aWriter, IProtocol* aActor,
+ nsIServerTiming* aParam) {
+ nsAutoCString name;
+ Unused << aParam->GetName(name);
+ double duration = 0;
+ Unused << aParam->GetDuration(&duration);
+ nsAutoCString description;
+ Unused << aParam->GetDescription(description);
+ WriteIPDLParam(aWriter, aActor, name);
+ WriteIPDLParam(aWriter, aActor, duration);
+ WriteIPDLParam(aWriter, aActor, description);
+ }
+
+ static bool Read(IPC::MessageReader* aReader, IProtocol* aActor,
+ RefPtr<nsIServerTiming>* aResult) {
+ nsAutoCString name;
+ double duration;
+ nsAutoCString description;
+ if (!ReadIPDLParam(aReader, aActor, &name)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &duration)) {
+ return false;
+ }
+ if (!ReadIPDLParam(aReader, aActor, &description)) {
+ return false;
+ }
+
+ RefPtr<nsServerTiming> timing = new nsServerTiming();
+ timing->SetName(name);
+ timing->SetDuration(duration);
+ timing->SetDescription(description);
+ *aResult = timing.forget();
+ return true;
+ }
+};
+
+} // namespace mozilla::ipc
+
+#endif // mozilla_dom_PerformanceTiming_h