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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 "chrome/browser/browsing_data/counters/cache_counter.h"
#include "base/functional/bind.h"
#include "chrome/browser/profiles/profile.h"
#include "components/browsing_data/content/conditional_cache_counting_helper.h"
#include "components/browsing_data/core/pref_names.h"
#include "components/offline_pages/buildflags/buildflags.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/net_errors.h"
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
#include "chrome/browser/offline_pages/offline_page_utils.h"
#endif // BUILDFLAG(ENABLE_OFFLINE_PAGES)
CacheCounter::CacheResult::CacheResult(const CacheCounter* source,
int64_t cache_size,
bool is_upper_limit)
: FinishedResult(source, cache_size),
cache_size_(cache_size),
is_upper_limit_(is_upper_limit) {}
CacheCounter::CacheResult::~CacheResult() = default;
CacheCounter::CacheCounter(Profile* profile) : profile_(profile) {}
CacheCounter::~CacheCounter() = default;
const char* CacheCounter::GetPrefName() const {
return GetTab() == browsing_data::ClearBrowsingDataTab::BASIC
? browsing_data::prefs::kDeleteCacheBasic
: browsing_data::prefs::kDeleteCache;
}
void CacheCounter::Count() {
// Cancel existing requests and reset states.
weak_ptr_factory_.InvalidateWeakPtrs();
calculated_size_ = 0;
is_upper_limit_ = false;
pending_sources_ = 1;
browsing_data::ConditionalCacheCountingHelper::Count(
profile_->GetDefaultStoragePartition(), GetPeriodStart(),
base::Time::Max(),
base::BindOnce(&CacheCounter::OnCacheSizeCalculated,
weak_ptr_factory_.GetWeakPtr()));
#if BUILDFLAG(ENABLE_OFFLINE_PAGES)
if (offline_pages::OfflinePageUtils::GetCachedOfflinePageSizeBetween(
profile_,
base::BindOnce(&CacheCounter::OnCacheSizeCalculated,
weak_ptr_factory_.GetWeakPtr(),
false /* is_upper_limit */),
GetPeriodStart(), base::Time::Max())) {
pending_sources_++;
}
#endif // BUILDFLAG(ENABLE_OFFLINE_PAGES)
}
void CacheCounter::OnCacheSizeCalculated(bool is_upper_limit,
int64_t cache_bytes) {
// A value less than 0 means a net error code.
if (cache_bytes < 0)
return;
pending_sources_--;
calculated_size_ += cache_bytes;
is_upper_limit_ |= is_upper_limit;
if (pending_sources_ == 0) {
auto result =
std::make_unique<CacheResult>(this, calculated_size_, is_upper_limit_);
ReportResult(std::move(result));
}
}
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