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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.
#include "components/autofill/core/browser/foundations/autofill_driver.h"
#include "base/check.h"
namespace autofill {
namespace {
#if DCHECK_IS_ON()
// Returns true iff the transition is a valid transition according to the
// diagram in AutofillDriver's class-level documentation.
// LINT.IfChange(LifecycleStateChanges)
bool IsValidTransition(AutofillDriver::LifecycleState previous_state,
AutofillDriver::LifecycleState old_state,
AutofillDriver::LifecycleState new_state) {
using enum AutofillDriver::LifecycleState;
switch (old_state) {
case kInactive:
return new_state == kActive || new_state == kPendingReset ||
new_state == kPendingDeletion;
case kActive:
return new_state == kInactive || new_state == kPendingReset ||
new_state == kPendingDeletion;
case kPendingReset:
return new_state == previous_state &&
(new_state == kInactive || new_state == kActive);
case kPendingDeletion:
return false;
}
return false;
}
// LINT.ThenChange(autofill_driver.h:LifecycleStateChanges)
#endif
} // namespace
AutofillDriver::~AutofillDriver() {
CHECK_EQ(lifecycle_state_, LifecycleState::kPendingDeletion);
}
void AutofillDriver::SetLifecycleState(
LifecycleState new_state,
base::PassKey<AutofillDriverFactory> pass_key) {
DCHECK_NE(lifecycle_state_, new_state);
#if DCHECK_IS_ON()
DCHECK(
IsValidTransition(previous_lifecycle_state_, lifecycle_state_, new_state))
<< "Invalid AutofillDriver::LifecycleState change "
<< base::to_underlying(previous_lifecycle_state_) << " -> "
<< base::to_underlying(lifecycle_state_) << " -> "
<< base::to_underlying(new_state);
previous_lifecycle_state_ = lifecycle_state_;
#endif
lifecycle_state_ = new_state;
}
} // namespace autofill
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