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ash / public / cpp / system / system_nudge_pause_manager.h [blame]
// 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 ASH_PUBLIC_CPP_SYSTEM_SYSTEM_NUDGE_PAUSE_MANAGER_H_
#define ASH_PUBLIC_CPP_SYSTEM_SYSTEM_NUDGE_PAUSE_MANAGER_H_
#include <memory>
#include "ash/public/cpp/ash_public_export.h"
namespace ash {
class ScopedNudgePause;
class SystemNudgeController;
// Public interface to manage `SystemNudgeController`. This is needed for
// `ScopedNudgePause` since we need a singleton class to manage all the
// `SystemNudgeController`s to respond to `ScopedNudgePause`'s construction or
// destruction.
class ASH_PUBLIC_EXPORT SystemNudgePauseManager {
public:
// Returns the singleton `SystemNudgePauseManager`.
static SystemNudgePauseManager* Get();
// Creates a `ScopedNudgePause`.
virtual std::unique_ptr<ScopedNudgePause> CreateScopedPause() = 0;
protected:
SystemNudgePauseManager();
virtual ~SystemNudgePauseManager();
private:
friend class ScopedNudgePause;
// `Pause()` will stop all the nudges from showing up, until `Resume()` is
// called.
virtual void Pause() = 0;
virtual void Resume() = 0;
};
} // namespace ash
#endif // ASH_PUBLIC_CPP_SYSTEM_SYSTEM_NUDGE_PAUSE_MANAGER_H_