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// Copyright 2018 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_CALCULATORS_POLICIES_BINDER_H_
#define CHROME_BROWSER_ASH_PRINTING_ENTERPRISE_CALCULATORS_POLICIES_BINDER_H_
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ash/printing/enterprise/bulk_printers_calculator.h"
class PrefService;
class PrefRegistrySimple;
namespace ash {
class CrosSettings;
// Observes device settings & user profile modifications and propagates them to
// BulkPrintersCalculator objects associated with given device context and user
// profile. All methods must be called from the same sequence (UI).
class CalculatorsPoliciesBinder {
public:
static void RegisterProfilePrefs(PrefRegistrySimple* registry);
// Binds events from |settings| to the appropriate fields in |calculator|.
static std::unique_ptr<CalculatorsPoliciesBinder> DeviceBinder(
CrosSettings* settings,
base::WeakPtr<BulkPrintersCalculator> calculator);
// Binds events from |profile| to the appropriate fields in |calculator|.
static std::unique_ptr<CalculatorsPoliciesBinder> UserBinder(
PrefService* prefs,
base::WeakPtr<BulkPrintersCalculator> calculator);
CalculatorsPoliciesBinder(const CalculatorsPoliciesBinder&) = delete;
CalculatorsPoliciesBinder& operator=(const CalculatorsPoliciesBinder&) =
delete;
virtual ~CalculatorsPoliciesBinder();
protected:
// |access_mode_name| is the name of the access mode policy. |blocklist_name|
// is the name of the blocklist policy. |allowlist_name| is the name of the
// allowlist policy. |calculator| will receive updates from the bound
// policies.
CalculatorsPoliciesBinder(const char* access_mode_name,
const char* blocklist_name,
const char* allowlist_name,
base::WeakPtr<BulkPrintersCalculator> calculator);
// Returns a WeakPtr to the Derived class.
base::WeakPtr<CalculatorsPoliciesBinder> GetWeakPtr();
// Binds |policy_name| to |callback| for each policy name, using the
// appropriate preference system.
virtual void Bind(const char* policy_name,
base::RepeatingClosure callback) = 0;
// Returns the access mode integer preference for |name|.
virtual int GetAccessMode(const char* name) const = 0;
// Returns a string list for the prefrence |name|.
virtual std::vector<std::string> GetStringList(const char* name) const = 0;
private:
// Attaches bindings since they cannot be safely bound in the constructor.
void Init();
void UpdateAccessMode();
void UpdateAllowlist();
void UpdateBlocklist();
const char* access_mode_name_;
const char* blocklist_name_;
const char* allowlist_name_;
base::WeakPtr<BulkPrintersCalculator> calculator_;
base::WeakPtrFactory<CalculatorsPoliciesBinder> weak_ptr_factory_{this};
};
} // namespace ash
#endif // CHROME_BROWSER_ASH_PRINTING_ENTERPRISE_CALCULATORS_POLICIES_BINDER_H_
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