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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 ASH_AMBIENT_AMBIENT_UI_SETTINGS_H_
#define ASH_AMBIENT_AMBIENT_UI_SETTINGS_H_
#include <string>
#include "ash/ambient/ambient_constants.h"
#include "ash/ash_export.h"
#include "ash/constants/ambient_video.h"
#include "ash/webui/personalization_app/mojom/personalization_app.mojom-shared.h"
#include "base/values.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
class PrefService;
namespace ash {
// Captures the ambient UI that the user has selected in the Hub.
class ASH_EXPORT AmbientUiSettings {
public:
// Returns default set of |AmbientUiSettings| if the settings do not exist in
// |pref_service| or the existing settings are corrupted in pref store.
static AmbientUiSettings ReadFromPrefService(PrefService& pref_service);
// Creates the default ui settings. This is guaranteed to be valid.
AmbientUiSettings();
// Fatal error occurs if an invalid combination of settings is provided.
explicit AmbientUiSettings(
personalization_app::mojom::AmbientTheme theme,
absl::optional<AmbientVideo> video = absl::nullopt);
AmbientUiSettings(const AmbientUiSettings&);
AmbientUiSettings& operator=(const AmbientUiSettings&);
~AmbientUiSettings();
personalization_app::mojom::AmbientTheme theme() const { return theme_; }
// Must be set if |theme()| is |kVideo|. Otherwise, may be nullopt.
const absl::optional<AmbientVideo>& video() const { return video_; }
bool operator==(const AmbientUiSettings& other) const;
bool operator!=(const AmbientUiSettings& other) const;
void WriteToPrefService(PrefService& pref_service) const;
// Used for both metrics and debugging.
std::string ToString() const;
private:
// Returns nullopt if the |dict| contains an invalid group of settings.
static absl::optional<AmbientUiSettings> CreateFromDict(
const base::Value::Dict& dict);
// This is private because the caller by design should never be working with
// an invalid instance. A fatal error should occur before then.
bool IsValid() const;
personalization_app::mojom::AmbientTheme theme_ = kDefaultAmbientTheme;
absl::optional<AmbientVideo> video_;
};
} // namespace ash
#endif // ASH_AMBIENT_AMBIENT_UI_SETTINGS_H_
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