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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/page_load_metrics/common/page_load_timing.h"
#include "components/page_load_metrics/common/page_load_metrics.mojom-forward.h"
#include "third_party/blink/public/common/performance/performance_timeline_constants.h"
namespace page_load_metrics {
mojom::PageLoadTimingPtr CreatePageLoadTiming() {
return mojom::PageLoadTiming::New(
base::Time(), std::optional<base::TimeDelta>(),
std::optional<base::TimeDelta>(), std::optional<base::TimeDelta>(),
mojom::DocumentTiming::New(), mojom::InteractiveTiming::New(),
mojom::PaintTiming::New(
std::nullopt, std::nullopt, std::nullopt, std::nullopt,
CreateLargestContentfulPaintTiming(),
CreateLargestContentfulPaintTiming(), std::nullopt, std::nullopt),
mojom::ParseTiming::New(), mojom::DomainLookupTiming::New(),
std::vector<mojo::StructPtr<mojom::BackForwardCacheTiming>>{},
std::optional<base::TimeDelta>(), std::optional<base::TimeDelta>(),
std::optional<base::TimeDelta>(), std::optional<base::TimeDelta>(),
std::optional<base::TimeDelta>());
}
mojom::LargestContentfulPaintTimingPtr CreateLargestContentfulPaintTiming() {
auto timing = mojom::LargestContentfulPaintTiming::New();
timing->resource_load_timings = mojom::LcpResourceLoadTimings::New();
return timing;
}
mojom::SoftNavigationMetricsPtr CreateSoftNavigationMetrics() {
return mojom::SoftNavigationMetrics::New(
blink::kSoftNavigationCountDefaultValue, base::Milliseconds(0),
std::string(), CreateLargestContentfulPaintTiming());
}
bool IsEmpty(const page_load_metrics::mojom::DocumentTiming& timing) {
return !timing.dom_content_loaded_event_start && !timing.load_event_start;
}
bool IsEmpty(const page_load_metrics::mojom::InteractiveTiming& timing) {
return !timing.first_input_delay && !timing.first_input_timestamp &&
!timing.first_scroll_delay && !timing.first_scroll_timestamp;
}
bool IsEmpty(const page_load_metrics::mojom::InputTiming& timing) {
// TODO(sullivan): Adjust this to be based on max_event_durations
return !timing.num_interactions;
}
bool IsEmpty(const page_load_metrics::mojom::PaintTiming& timing) {
return !timing.first_paint && !timing.first_image_paint &&
!timing.first_contentful_paint && !timing.first_meaningful_paint &&
!timing.largest_contentful_paint->largest_image_paint &&
!timing.largest_contentful_paint->largest_text_paint &&
!timing.experimental_largest_contentful_paint->largest_image_paint &&
!timing.experimental_largest_contentful_paint->largest_text_paint &&
!timing.first_eligible_to_paint;
}
bool IsEmpty(const page_load_metrics::mojom::ParseTiming& timing) {
return !timing.parse_start && !timing.parse_stop &&
!timing.parse_blocked_on_script_load_duration &&
!timing.parse_blocked_on_script_load_from_document_write_duration &&
!timing.parse_blocked_on_script_execution_duration &&
!timing.parse_blocked_on_script_execution_from_document_write_duration;
}
bool IsEmpty(const page_load_metrics::mojom::DomainLookupTiming& timing) {
return !timing.domain_lookup_start && !timing.domain_lookup_end;
}
bool IsEmpty(const page_load_metrics::mojom::PageLoadTiming& timing) {
return timing.navigation_start.is_null() && !timing.connect_start &&
!timing.connect_end && !timing.response_start &&
(!timing.document_timing ||
page_load_metrics::IsEmpty(*timing.document_timing)) &&
(!timing.interactive_timing ||
page_load_metrics::IsEmpty(*timing.interactive_timing)) &&
(!timing.paint_timing ||
page_load_metrics::IsEmpty(*timing.paint_timing)) &&
(!timing.parse_timing ||
page_load_metrics::IsEmpty(*timing.parse_timing)) &&
(!timing.domain_lookup_timing ||
page_load_metrics::IsEmpty(*timing.domain_lookup_timing)) &&
timing.back_forward_cache_timings.empty() &&
!timing.user_timing_mark_fully_loaded &&
!timing.user_timing_mark_fully_visible &&
!timing.user_timing_mark_interactive;
}
void InitPageLoadTimingForTest(mojom::PageLoadTiming* timing) {
timing->document_timing = mojom::DocumentTiming::New();
timing->domain_lookup_timing = mojom::DomainLookupTiming::New();
timing->interactive_timing = mojom::InteractiveTiming::New();
timing->paint_timing = mojom::PaintTiming::New();
timing->paint_timing->largest_contentful_paint =
CreateLargestContentfulPaintTiming();
timing->paint_timing->experimental_largest_contentful_paint =
CreateLargestContentfulPaintTiming();
timing->parse_timing = mojom::ParseTiming::New();
timing->back_forward_cache_timings.clear();
}
} // namespace page_load_metrics
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