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// Copyright 2017 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/ash/printing/enterprise/bulk_printers_calculator_factory.h"
#include "chrome/browser/ash/printing/enterprise/bulk_printers_calculator.h"
#include "components/account_id/account_id.h"
#include "components/user_manager/user.h"
namespace ash {
namespace {
// This class is owned by `ChromeBrowserMainPartsAsh`.
static BulkPrintersCalculatorFactory* g_bulk_printers_factory = nullptr;
} // namespace
// static
BulkPrintersCalculatorFactory* BulkPrintersCalculatorFactory::Get() {
return g_bulk_printers_factory;
}
base::WeakPtr<BulkPrintersCalculator>
BulkPrintersCalculatorFactory::GetForAccountId(const AccountId& account_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
auto it = printers_by_user_.find(account_id);
if (it != printers_by_user_.end())
return it->second->AsWeakPtr();
printers_by_user_.emplace(account_id, BulkPrintersCalculator::Create());
return printers_by_user_[account_id]->AsWeakPtr();
}
void BulkPrintersCalculatorFactory::RemoveForUserId(
const AccountId& account_id) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
printers_by_user_.erase(account_id);
}
base::WeakPtr<BulkPrintersCalculator>
BulkPrintersCalculatorFactory::GetForDevice() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (shutdown_) {
return nullptr;
}
if (!device_printers_)
device_printers_ = BulkPrintersCalculator::Create();
return device_printers_->AsWeakPtr();
}
void BulkPrintersCalculatorFactory::Shutdown() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(!shutdown_);
shutdown_ = true;
printers_by_user_.clear();
device_printers_.reset();
}
BulkPrintersCalculatorFactory::BulkPrintersCalculatorFactory() {
// Only one factory should exist.
DCHECK(!g_bulk_printers_factory);
g_bulk_printers_factory = this;
}
BulkPrintersCalculatorFactory::~BulkPrintersCalculatorFactory() {
// Ensure that an instance was created sometime in the past.
DCHECK(g_bulk_printers_factory);
g_bulk_printers_factory = nullptr;
}
} // namespace ash
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