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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef AUTOFILL_CORE_BROWSER_AUTOFILL_DRIVER_FACTORY_H_
#define AUTOFILL_CORE_BROWSER_AUTOFILL_DRIVER_FACTORY_H_
#include <memory>
#include <unordered_map>
#include "base/callback_forward.h"
#include "base/macros.h"
namespace autofill {
class AutofillClient;
class AutofillDriver;
// Manages the lifetime of AutofillDrivers for a particular AutofillClient by
// creating, notifying, retrieving and deleting on demand.
class AutofillDriverFactory {
public:
explicit AutofillDriverFactory(AutofillClient* client);
~AutofillDriverFactory();
// A convenience function to retrieve an AutofillDriver for the given key or
// null if there is none.
AutofillDriver* DriverForKey(void* key);
// Handles finished navigation in any of the frames.
void NavigationFinished();
// Handles hiding of the corresponding tab.
void TabHidden();
AutofillClient* client() { return client_; };
protected:
// The API manipulating the drivers map is protected to guarantee subclasses
// that nothing else can interfere with the map of drivers.
// Adds a driver, constructed by calling |factory_method|, for |key|. If there
// already is a driver for |key|, |factory_method| is not called. This might
// end up notifying the driver that a user gesture has been observed.
void AddForKey(
void* key,
base::Callback<std::unique_ptr<AutofillDriver>()> factory_method);
// Deletes the AutofillDriver for |key|.
void DeleteForKey(void* key);
private:
AutofillClient* const client_;
std::unordered_map<void*, std::unique_ptr<AutofillDriver>> driver_map_;
DISALLOW_COPY_AND_ASSIGN(AutofillDriverFactory);
};
} // namespace autofill
#endif // AUTOFILL_CORE_BROWSER_AUTOFILL_DRIVER_FACTORY_H_
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