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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_PRINTING_ENTERPRISE_PRINT_SERVERS_POLICY_PROVIDER_H_
#define CHROME_BROWSER_ASH_PRINTING_ENTERPRISE_PRINT_SERVERS_POLICY_PROVIDER_H_
#include <map>
#include <memory>
#include "base/functional/callback_forward.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ash/printing/print_server.h"
#include "chrome/browser/ash/printing/enterprise/print_servers_provider.h"
#include "chromeos/crosapi/mojom/local_printer.mojom.h"
#include "components/keyed_service/core/keyed_service.h"
class Profile;
namespace ash {
using ServerPrintersFetchingMode =
crosapi::mojom::PrintServersConfig::ServerPrintersFetchingMode;
// This class observes values provided by the DeviceExternalPrintServers and
// ExternalPrintServers policies and calculates resultant list of available
// print servers. This list is propagated to the provided callback.
class PrintServersPolicyProvider : public KeyedService,
public PrintServersProvider::Observer {
public:
PrintServersPolicyProvider(
base::WeakPtr<PrintServersProvider> user_policy_provider,
base::WeakPtr<PrintServersProvider> device_policy_provider);
~PrintServersPolicyProvider() override;
using OnPrintServersChanged = typename base::RepeatingCallback<
void(bool, std::map<GURL, PrintServer>, ServerPrintersFetchingMode)>;
static std::unique_ptr<PrintServersPolicyProvider> Create(Profile* profile);
static std::unique_ptr<PrintServersPolicyProvider> CreateForTesting(
base::WeakPtr<PrintServersProvider> user_policy_provider,
base::WeakPtr<PrintServersProvider> device_policy_provider);
// Set the callback when print servers has been updated via policy.
void SetListener(OnPrintServersChanged callback);
// PrintServersProvider::Observer
void OnServersChanged(
bool unused_complete,
const std::vector<PrintServer>& unused_servers) override;
private:
void RecalculateServersAndNotifyListener();
ServerPrintersFetchingMode GetFetchingMode(
const std::map<GURL, PrintServer>& all_servers);
base::WeakPtr<PrintServersProvider> user_policy_provider_;
base::WeakPtr<PrintServersProvider> device_policy_provider_;
std::map<GURL, PrintServer> all_servers_;
OnPrintServersChanged callback_;
base::WeakPtrFactory<PrintServersPolicyProvider> weak_ptr_factory_{this};
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_PRINTING_ENTERPRISE_PRINT_SERVERS_POLICY_PROVIDER_H_
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