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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_PERFORMANCE_MANAGER_PUBLIC_FREEZING_CANNOT_FREEZE_REASON_H_
#define COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_FREEZING_CANNOT_FREEZE_REASON_H_
#include "base/containers/enum_set.h"
namespace performance_manager::freezing {
// List of reasons not to freeze a browsing instance.
//
// The reasons to not freeze a browsing instance overlap with the reasons to not
// discard a tab (DiscardEligibilityPolicy::CanDiscard). We could look into ways
// to share logic.
enum class CannotFreezeReason {
kVisible = 0,
kMin = kVisible, // Lower bound for EnumSet.
kRecentlyVisible,
kAudible,
kRecentlyAudible,
kFreezingOriginTrialOptOut,
kHoldingWebLock,
kHoldingIndexedDBLock,
kHoldingBlockingIndexedDBLock,
kConnectedToUsbDevice,
kConnectedToBluetoothDevice,
kConnectedToHidDevice,
kConnectedToSerialPort,
kCapturingVideo,
kCapturingAudio,
kBeingMirrored,
kCapturingWindow,
kCapturingDisplay,
kWebRTC,
kLoading,
kNotificationPermission,
kOptedOut,
kMostRecentlyUsed,
kMax = kMostRecentlyUsed, // Upper bound for EnumSet.
};
using CannotFreezeReasonSet = base::EnumSet<CannotFreezeReason,
CannotFreezeReason::kMin,
CannotFreezeReason::kMax>;
const char* CannotFreezeReasonToString(CannotFreezeReason reason);
} // namespace performance_manager::freezing
#endif // COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_FREEZING_CANNOT_FREEZE_REASON_H_
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