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// Copyright 2025 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/preloading/prefetch/prefetch_handle_impl.h"
#include "content/browser/browser_context_impl.h"
#include "content/browser/preloading/prefetch/prefetch_service.h"
#include "content/browser/preloading/prefetch/prefetch_type.h"
#include "content/public/browser/preloading_data.h"
#include "content/public/browser/web_contents.h"
namespace content {
PrefetchHandleImpl::PrefetchHandleImpl(
base::WeakPtr<PrefetchService> prefetch_service,
base::WeakPtr<PrefetchContainer> prefetch_container)
: prefetch_service_(std::move(prefetch_service)),
prefetch_container_(std::move(prefetch_container)) {}
PrefetchHandleImpl::~PrefetchHandleImpl() {
// Notify `PrefetchService` that the corresponding `PrefetchContainer` is no
// longer needed. `PrefetchService` might release the container and its
// corresponding resources by its decision with best-effort.
if (prefetch_service_) {
// TODO(crbug.com/390329781): Consider setting appropriate
// PrefetchStatus/PreloadingAttempt.
if (prefetch_status_on_release_started_prefetch_ && prefetch_container_) {
switch (prefetch_container_->GetLoadState()) {
case PrefetchContainer::LoadState::kNotStarted:
case PrefetchContainer::LoadState::kEligible:
case PrefetchContainer::LoadState::kFailedIneligible:
case PrefetchContainer::LoadState::kFailedHeldback:
break;
case PrefetchContainer::LoadState::kStarted:
prefetch_container_->SetPrefetchStatus(
*prefetch_status_on_release_started_prefetch_);
break;
}
}
prefetch_service_->MayReleasePrefetch(prefetch_container_);
}
}
bool PrefetchHandleImpl::IsAlive() const {
return static_cast<bool>(prefetch_container_);
}
void PrefetchHandleImpl::SetPrefetchStatusOnReleaseStartedPrefetch(
PrefetchStatus prefetch_status_on_release_started_prefetch) {
CHECK(!prefetch_status_on_release_started_prefetch_);
prefetch_status_on_release_started_prefetch_ =
prefetch_status_on_release_started_prefetch;
}
} // namespace content
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