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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_AUTOFILL_IOS_BROWSER_TEST_AUTOFILL_CLIENT_IOS_H_
#define COMPONENTS_AUTOFILL_IOS_BROWSER_TEST_AUTOFILL_CLIENT_IOS_H_
#import "components/autofill/core/browser/foundations/test_autofill_client.h"
#import "components/autofill/ios/browser/autofill_client_ios.h"
namespace web {
class WebState;
}
namespace autofill {
// Helper functions for WithFakedFromWebState().
AutofillClientIOS* FakeFromWebState(web::WebState* web_state);
void AddToFakeWebStateRegistry(AutofillClientIOS* client);
void RemoveFromFakeWebStateRegistry(AutofillClientIOS* client);
// Mixin that registers `T` with a test-only registry so that
// AutofillClientIOS::FromWebState() finds `T`.
template <typename T>
requires(std::derived_from<T, AutofillClientIOS>)
class WithFakedFromWebState : public T {
public:
template <typename... Args>
explicit WithFakedFromWebState(Args&&... args)
: T(&FakeFromWebState, std::forward<Args>(args)...) {
AddToFakeWebStateRegistry(this);
}
~WithFakedFromWebState() override {
if (AutofillClientIOS::web_state()) {
// The AutofillClientIOS contract requires a call of
// AutofillDriverIOSFactory::WebStateDestroyed() before any members of the
// client are destroyed.
static_cast<web::WebStateObserver&>(T::GetAutofillDriverFactory())
.WebStateDestroyed(AutofillClientIOS::web_state());
}
RemoveFromFakeWebStateRegistry(this);
}
};
// A variant of TestAutofillClient that is be associated with a web::WebState.
using TestAutofillClientIOS =
WithFakedFromWebState<TestAutofillClientTemplate<AutofillClientIOS>>;
} // namespace autofill
#endif // COMPONENTS_AUTOFILL_IOS_BROWSER_TEST_AUTOFILL_CLIENT_IOS_H_
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