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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/visible_time_request_trigger.h"
#include <algorithm>
#include <utility>
#include "base/time/time.h"
#include "third_party/blink/public/mojom/widget/record_content_to_visible_time_request.mojom.h"
namespace content {
VisibleTimeRequestTrigger::VisibleTimeRequestTrigger() = default;
VisibleTimeRequestTrigger::~VisibleTimeRequestTrigger() = default;
// static
blink::mojom::RecordContentToVisibleTimeRequestPtr
VisibleTimeRequestTrigger::ConsumeAndMergeRequests(
blink::mojom::RecordContentToVisibleTimeRequestPtr request1,
blink::mojom::RecordContentToVisibleTimeRequestPtr request2) {
if (!request1 && !request2)
return nullptr;
// Pick any non-null request to merge into.
blink::mojom::RecordContentToVisibleTimeRequestPtr to;
blink::mojom::RecordContentToVisibleTimeRequestPtr from;
if (request1) {
to = std::move(request1);
from = std::move(request2);
} else {
to = std::move(request2);
from = std::move(request1);
}
if (from) {
to->event_start_time =
std::min(to->event_start_time, from->event_start_time);
to->destination_is_loaded |= from->destination_is_loaded;
to->show_reason_tab_switching |= from->show_reason_tab_switching;
to->show_reason_bfcache_restore |= from->show_reason_bfcache_restore;
}
return to;
}
void VisibleTimeRequestTrigger::UpdateRequest(
base::TimeTicks start_time,
bool destination_is_loaded,
bool show_reason_tab_switching,
bool show_reason_bfcache_restore) {
auto new_request = blink::mojom::RecordContentToVisibleTimeRequest::New(
start_time, destination_is_loaded, show_reason_tab_switching,
show_reason_bfcache_restore, /*show_reason_unfold=*/false);
// If `last_request_` is null, this will return `new_request` unchanged.
last_request_ =
ConsumeAndMergeRequests(std::move(last_request_), std::move(new_request));
}
blink::mojom::RecordContentToVisibleTimeRequestPtr
VisibleTimeRequestTrigger::TakeRequest() {
return std::move(last_request_);
}
} // namespace content
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