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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/extensions/updater/chromeos_extension_cache_delegate.h"
#include <stddef.h>
#include "ash/constants/ash_paths.h"
#include "base/path_service.h"
#include "chromeos/ash/components/settings/cros_settings.h"
#include "chromeos/ash/components/settings/cros_settings_names.h"
namespace extensions {
ChromeOSExtensionCacheDelegate::ChromeOSExtensionCacheDelegate()
: cache_dir_(base::PathService::CheckedGet(
ash::DIR_DEVICE_EXTENSION_LOCAL_CACHE)) {}
ChromeOSExtensionCacheDelegate::ChromeOSExtensionCacheDelegate(
const base::FilePath& cache_dir)
: cache_dir_(cache_dir) {}
const base::FilePath& ChromeOSExtensionCacheDelegate::GetCacheDir() const {
return cache_dir_;
}
size_t ChromeOSExtensionCacheDelegate::GetMinimumCacheSize() const {
// Default minimum size of local cache on disk, in bytes.
static constexpr int kDefaultMinimumCacheSize = 1024 * 1024;
return kDefaultMinimumCacheSize;
}
size_t ChromeOSExtensionCacheDelegate::GetMaximumCacheSize() const {
// Default maximum size of local cache on disk, in bytes.
static constexpr size_t kDefaultCacheSizeLimit = 256 * 1024 * 1024;
size_t max_size = kDefaultCacheSizeLimit;
int policy_size = 0;
if (ash::CrosSettings::Get()->GetInteger(ash::kExtensionCacheSize,
&policy_size) &&
policy_size >= static_cast<int>(GetMinimumCacheSize())) {
max_size = policy_size;
}
return max_size;
}
base::TimeDelta ChromeOSExtensionCacheDelegate::GetMaximumCacheAge() const {
// Maximum age of unused extensions in the cache.
static constexpr base::TimeDelta kMaxCacheAge = base::Days(30);
return kMaxCacheAge;
}
} // namespace extensions
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