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// Copyright 2023 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_UNEXPORTABLE_KEYS_BACKGROUND_TASK_PRIORITY_H_
#define COMPONENTS_UNEXPORTABLE_KEYS_BACKGROUND_TASK_PRIORITY_H_
#include <cstddef>
#include <string_view>
#include "base/component_export.h"
namespace unexportable_keys {
// Ordered list of priorities supported by the unexportable key task manager.
// The priorities are ordered from the lowest one to the highest one.
enum class BackgroundTaskPriority {
// For non-urgent work, that will only execute if there's nothing else to do.
kBestEffort = 0,
// The result of these tasks are visible to the user (in the UI or as a
// side-effect on the system) but they are not an immediate response to a user
// interaction.
kUserVisible = 1,
// Tasks that affect the UI immediately after a user interaction.
kUserBlocking = 2,
kMaxValue = kUserBlocking
};
constexpr size_t kNumTaskPriorities =
static_cast<size_t>(BackgroundTaskPriority::kMaxValue) + 1;
// Converts `BackgroundTaskPriority` to a histogram suffix string. The string is
// prepended with "." symbol so it can be directly concatenated with a base
// histogram name.
COMPONENT_EXPORT(UNEXPORTABLE_KEYS)
std::string_view GetBackgroundTaskPrioritySuffixForHistograms(
BackgroundTaskPriority priority);
} // namespace unexportable_keys
#endif // COMPONENTS_UNEXPORTABLE_KEYS_BACKGROUND_TASK_PRIORITY_H_
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