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-- SPDX-FileCopyrightText: 2023 jacqueline <me@jacqueline.id.au>
--
-- SPDX-License-Identifier: GPL-3.0-only
local lvgl = require("lvgl")
local widgets = require("widgets")
local database = require("database")
local sd_card = require("sd_card")
local backstack = require("backstack")
local browser = require("browser")
local playing = require("playing")
local styles = require("styles")
local filesystem = require("filesystem")
local font = require("font")
local theme = require("theme")
local img = require("images")
local playback = require("playback")
local usb = require("usb")
return widgets.MenuScreen:new {
create_ui = function(self)
widgets.MenuScreen.create_ui(self)
-- At the top, a card showing details about the current track. Hidden if
-- there is no track currently playing.
-- || Cool Song 0:01
local now_playing = lvgl.Button(self.root, {
flex = {
flex_direction = "row",
flex_wrap = "nowrap",
justify_content = "flex-start",
align_items = "center",
align_content = "flex-start",
},
w = lvgl.PCT(100),
h = lvgl.SIZE_CONTENT,
margin_all = 2,
pad_bottom = 2,
pad_column = 4,
border_width = 1,
})
theme.set_subject(now_playing, "now_playing");
local play_pause = now_playing:Image { src = img.play_circ }
local title = now_playing:Label {
flex_grow = 1,
h = lvgl.SIZE_CONTENT,
text = " ",
long_mode = 1,
}
local time_remaining = now_playing:Label {
text = " ",
text_font = font.fusion_10,
}
now_playing:onClicked(function() backstack.push(playing:new()) end)
local track_duration = nil
self.bindings = self.bindings + {
playback.playing:bind(function(playing)
if playing then
play_pause:set_src(img.play_circ)
else
play_pause:set_src(img.pause_circ)
end
end),
playback.track:bind(function(track)
if not track then
now_playing:add_flag(lvgl.FLAG.HIDDEN)
return
else
now_playing:clear_flag(lvgl.FLAG.HIDDEN)
end
title:set { text = track.title }
if track.duration then
track_duration = track.duration
end
end),
playback.position:bind(function(pos)
if not pos then return end
if not track_duration then return end
local remaining = track_duration - pos
if remaining < 0 then remaining = 0 end
time_remaining:set {
text = string.format("%d:%02d", remaining // 60, remaining % 60)
}
end),
}
-- Next, a list showing the user's prefer's music source. This defaults to
-- a list of all available database indexes, but could also be the contents
-- of the SD card root.
local no_indexes_container = self.root:Object {
w = lvgl.PCT(100),
flex_grow = 1,
}
local no_indexes_label = no_indexes_container:Label {
w = lvgl.PCT(100),
h = lvgl.SIZE_CONTENT,
text_align = 2,
long_mode = 0,
margin_all = 4,
text = "",
}
no_indexes_label:center()
local indexes_list = lvgl.List(self.root, {
w = lvgl.PCT(100),
h = lvgl.PCT(100),
flex_grow = 1,
})
local indexes = {}
for _, idx in ipairs(database.indexes()) do
local btn = indexes_list:add_btn(nil, tostring(idx))
btn:onClicked(function()
backstack.push(browser:new {
title = tostring(idx),
iterator = idx:iter(),
mediatype = idx:type(),
})
end)
btn:add_style(styles.list_item)
table.insert(indexes, {
object = btn,
index = idx,
})
end
local playlist_btn = indexes_list:add_btn(nil, "Playlists")
playlist_btn:onClicked(function()
backstack.push(require("playlist_browser"):new {
title = "Playlists",
iterator = filesystem.iterator("/Playlists")
})
end)
playlist_btn:add_style(styles.list_item)
local function show_no_indexes(msg)
indexes_list:add_flag(lvgl.FLAG.HIDDEN)
no_indexes_container:clear_flag(lvgl.FLAG.HIDDEN)
no_indexes_label:set { text = msg }
end
local function hide_no_indexes()
no_indexes_container:add_flag(lvgl.FLAG.HIDDEN)
indexes_list:clear_flag(lvgl.FLAG.HIDDEN)
if indexes[1] then
indexes[1].object:focus()
end
end
local function hide_playlist_listing()
playlist_btn:add_flag(lvgl.FLAG.HIDDEN)
end
local function show_playlist_listing()
playlist_btn:clear_flag(lvgl.FLAG.HIDDEN)
end
local function update_visible_indexes()
local has_valid_index = false
for _, idx in ipairs(indexes) do
local it = idx.index:iter():next()
if it then
has_valid_index = true
idx.object:clear_flag(lvgl.FLAG.HIDDEN)
else
idx.object:add_flag(lvgl.FLAG.HIDDEN)
end
end
if has_valid_index then
hide_no_indexes()
-- If we have valid indexes, then also check for playlists
if filesystem.iterator("/Playlists/"):next() == nil then
hide_playlist_listing()
else
show_playlist_listing()
end
else
if require("database").updating:get() then
show_no_indexes("The database is updating for the first time. Please wait.")
else
show_no_indexes("No compatible media was found on your SD Card.")
end
end
end
self.bindings = self.bindings + {
database.updating:bind(function()
update_visible_indexes()
end),
sd_card.mounted:bind(function(mounted)
if not mounted then
show_no_indexes("SD Card is not inserted or could not be opened.")
end
end),
}
-- Finally, the bottom bar with icon buttons for other device features.
local bottom_bar = lvgl.Object(self.root, {
flex = {
flex_direction = "row",
flex_wrap = "nowrap",
justify_content = "space-evenly",
align_items = "center",
align_content = "flex-start",
},
w = lvgl.PCT(100),
h = lvgl.SIZE_CONTENT,
pad_top = 4,
pad_bottom = 2,
})
-- local queue_btn = bottom_bar:Button {}
-- queue_btn:Image { src = img.queue }
-- theme.set_subject(queue_btn, "icon_enabled")
local usb_btn = bottom_bar:Button {}
usb_btn:onClicked(function()
backstack.push(require("settings").MassStorageSettings:new())
end)
usb_btn:Image { src = img.usb }
widgets.Description(usb_btn, "USB Settings")
theme.set_subject(usb_btn, "menu_icon")
self.bindings = self.bindings + {
require("power").plugged_in:bind(function(attached)
if (attached) then
usb_btn:clear_flag(lvgl.FLAG.HIDDEN)
else
usb_btn:add_flag(lvgl.FLAG.HIDDEN)
end
end)
}
local unmount_btn = bottom_bar:Button {}
unmount_btn:onClicked(function()
sd_card.unmount()
end)
unmount_btn:Image { src = img.unmount }
widgets.Description(unmount_btn, "Unmount the SD Card")
theme.set_subject(unmount_btn, "menu_icon")
local unmount_btn_bind = function()
if sd_card.mounted:get() and not database.updating:get() and not usb.msc_enabled:get() then
unmount_btn:clear_flag(lvgl.FLAG.HIDDEN)
else
unmount_btn:add_flag(lvgl.FLAG.HIDDEN)
end
end
self.bindings = self.bindings + {
sd_card.mounted:bind(unmount_btn_bind),
database.updating:bind(unmount_btn_bind),
usb.msc_enabled:bind(unmount_btn_bind)
}
local files_btn = bottom_bar:Button {}
files_btn:onClicked(function()
backstack.push(require("file_browser"):new {
title = "Files",
iterator = filesystem.iterator(""),
})
end)
files_btn:Image { src = img.files }
widgets.Description(files_btn, "File browser")
theme.set_subject(files_btn, "menu_icon")
local settings_btn = bottom_bar:Button {}
settings_btn:onClicked(function()
backstack.push(require("settings").Root:new())
end)
settings_btn:Image { src = img.settings }
widgets.Description(settings_btn, "Settings")
theme.set_subject(settings_btn, "menu_icon")
end,
}
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