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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_PAGE_LOAD_TIMING_H
#define COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_PAGE_LOAD_TIMING_H
#include <stdint.h>
#include "base/optional.h"
#include "base/time/time.h"
namespace data_reduction_proxy {
// The timing information that is relevant to the Pageload metrics pingback.
struct DataReductionProxyPageLoadTiming {
DataReductionProxyPageLoadTiming(
const base::Time& navigation_start,
const base::Optional<base::TimeDelta>& response_start,
const base::Optional<base::TimeDelta>& load_event_start,
const base::Optional<base::TimeDelta>& first_image_paint,
const base::Optional<base::TimeDelta>& first_contentful_paint,
const base::Optional<base::TimeDelta>&
experimental_first_meaningful_paint,
const base::Optional<base::TimeDelta>&
parse_blocked_on_script_load_duration,
const base::Optional<base::TimeDelta>& parse_stop,
int64_t network_bytes,
int64_t original_network_bytes);
DataReductionProxyPageLoadTiming(
const DataReductionProxyPageLoadTiming& other);
// Time that the navigation for the associated page was initiated.
const base::Time navigation_start;
// All TimeDeltas are relative to navigation_start.
// Time that the first byte of the response is received.
const base::Optional<base::TimeDelta> response_start;
// Time immediately before the load event is fired.
const base::Optional<base::TimeDelta> load_event_start;
// Time when the first image is painted.
const base::Optional<base::TimeDelta> first_image_paint;
// Time when the first contentful thing (image, text, etc.) is painted.
const base::Optional<base::TimeDelta> first_contentful_paint;
// (Experimental) Time when the page's primary content is painted.
const base::Optional<base::TimeDelta> experimental_first_meaningful_paint;
// Time that parsing was blocked by loading script.
const base::Optional<base::TimeDelta> parse_blocked_on_script_load_duration;
// Time when parsing completed.
const base::Optional<base::TimeDelta> parse_stop;
// The number of bytes served over the network, not including headers.
const int64_t network_bytes;
// The number of bytes that would have been served over the network if the
// user were not using data reduction proxy, not including headers.
const int64_t original_network_bytes;
};
} // namespace data_reduction_proxy
#endif // COMPONENTS_DATA_REDUCTION_PROXY_CORE_COMMON_DATA_REDUCTION_PROXY_PAGE_LOAD_TIMING_H
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