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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#pragma once
#include <stdint.h>
#include <sys/_stdint.h>
#include <memory>
#include <vector>
#include "lvgl.h"
#include "database.hpp"
#include "future_fetcher.hpp"
#include "screen.hpp"
#include "track.hpp"
#include "track_queue.hpp"
namespace ui {
namespace screens {
/*
* The 'Now Playing' / 'Currently Playing' screen that contains information
* about the current track, as well as playback controls.
*/
class Playing : public Screen {
public:
explicit Playing(std::weak_ptr<database::Database> db,
audio::TrackQueue* queue);
~Playing();
auto Tick() -> void override;
// Callbacks invoked by the UI state machine in response to audio events.
auto OnTrackUpdate() -> void;
auto OnPlaybackUpdate(uint32_t, uint32_t) -> void;
auto OnQueueUpdate() -> void;
auto OnFocusAboveFold() -> void;
auto OnFocusBelowFold() -> void;
private:
auto control_button(lv_obj_t* parent, char* icon) -> lv_obj_t*;
auto next_up_label(lv_obj_t* parent, const std::string& text) -> lv_obj_t*;
auto BindTrack(const database::Track& track) -> void;
auto ApplyNextUp(const std::vector<database::Track>& tracks) -> void;
std::weak_ptr<database::Database> db_;
audio::TrackQueue* queue_;
std::optional<database::Track> track_;
std::vector<database::Track> next_tracks_;
std::unique_ptr<database::FutureFetcher<std::optional<database::Track>>>
new_track_;
std::unique_ptr<
database::FutureFetcher<std::vector<std::optional<database::Track>>>>
new_next_tracks_;
lv_obj_t* artist_label_;
lv_obj_t* album_label_;
lv_obj_t* title_label_;
lv_obj_t* scrubber_;
lv_obj_t* play_pause_control_;
lv_obj_t* next_up_header_;
lv_obj_t* next_up_label_;
lv_obj_t* next_up_hint_;
lv_obj_t* next_up_container_;
};
} // namespace screens
} // namespace ui
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