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/*
* Copyright 2024 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#pragma once
#include <optional>
#include <string>
#include <variant>
namespace tts {
/*
* 'Simple' TTS events are events that do not have any extra event-specific
* details.
*/
enum class SimpleEvent {
/*
* Indicates that the screen's content has substantially changed. e.g. a new
* screen has been pushed.
*/
kContextChanged,
};
/*
* Event indicating that the currently selected LVGL object has changed.
*/
struct SelectionChanged {
struct Selection {
std::optional<std::string> description;
bool is_interactive;
};
std::optional<Selection> new_selection;
};
/*
Event emitted when a user enables or disables the 'Spoken Interface' (TTS)
setting on the device. This is used to convey the new state to the
tts::Provider, but will not stop the current sample from being played.
*/
struct TtsEnabledChanged {
bool tts_enabled;
};
using Event = std::variant<SimpleEvent, SelectionChanged, TtsEnabledChanged>;
} // namespace tts
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