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local mp = require 'mp'
--local socket = require("socket") -- not portable
local config_file = "/storage/emulated/0/Android/media/is.xyz.mpv/scripts/sleep.json"
local time = {
minutes = 25,
active = false,
format = "%02d:%02d:%02d", -- (HH:MM:SS)
remaining = nil,
prev_state = {
timestamp = "",
remaining = nil,
was_active = false,
last_update = "", -- ISO 8601
-- file_name = ""
},
}
local gesture_state = {
triggers = {
count = 0,
last_action_time = 0,
},
actions = {
pending = false,
confirm_timeout = 5, -- seconds
timer = nil,
callback = nil,
}
}
local ActionType = {
SET_TIMER = 1,
REMOVE_TIMER = 2,
REINSTATE = 3,
RESET = 4
}
--[[ todo:
perhaps instead of using a json file, we simply write the state attributes at the top of sleep.lua.
then have test.lua edit itself as need be.
]]
---------------------------
-- JSON PARSER --
---------------------------
local function read_jsonkey_value(file_str, json_obj, obj_key)
local b_obj = string.find(file_str, json_obj)
local e_obj = string.find(file_str, "}", b_obj)
if not (b_obj or e_obj) then
mp.msg.error("[sleep.lua]" .. json_obj .. "does not exist or " .. config_file "is formatted incorrectly")
return nil
end
local substr = string.sub(file_str, b_obj, e_obj)
local key_val = string.match(substr, obj_key)
if not key_val then
mp.msg.error("[sleep.lua]: could not extract \"" .. string.match(obj_key, "\"([^\"]+)\"") .. "\"" .. " from " .. config_file)
return nil
end
return key_val
end
local function read_config()
mp.msg.info("[sleep.lua]: opening", config_file .. "...")
local openf = io.input(config_file)
if openf == nil then
mp.msg.error("[sleep.lua]: failed to open", config_file .. "!")
-- TODO: we should make sure it exists, otherwise should create it
end
local file_str = openf:read("*all")
if file_str == nil or file_str == "" then
mp.msg.error("[sleep.lua]: Failed to read config_file into string or config_file is empty", config_file .. "!")
end
mp.msg.info("[sleep.lua]: closing", config_file .. ".")
io.close(openf)
local default_time = read_jsonkey_value(file_str, "\"config\"", "\"default_time\"%s*:%s*(%d+)")
local prevstate_tstamp = read_jsonkey_value(file_str, "\"previous_state\"", "\"timestamp\"%s*:%s*\"(.-)\"")
local prevstate_lastup = read_jsonkey_value(file_str, "\"previous_state\"", "\"last_updated\"%s*:%s*\"(.-)\"")
local prevstate_active = read_jsonkey_value(file_str, "\"previous_state\"", "\"was_active\"%s*:%s*([a-zA-Z]+)")
mp.msg.info("default_time: " .. default_time or "[sleep.lua]: could not extract default_time from")
mp.msg.info("prevstate_tstamp: " .. prevstate_tstamp)
mp.msg.info("prevstate_lastup: " .. prevstate_lastup)
mp.msg.info("prevstate_active: " .. prevstate_active)
end
local function reinstate_tstamp(time)
-- according to a gesture, this should be called, and seek to @param in file
-- we also need to verify that we're in the correct file.
end
local function export_time()
-- we should retrieve the current time stamp and export it to sleep.json
-- at this point, mpv should be paused or terminated.
end
local function stop_timer()
end
local function remove_timer()
end
local function set_timer()
end
local function display_time()
end
local function cancel_pending_action()
if gesture_state.actions.timer then
gesture_state.actions.timer:kill()
gesture_state.actions.timer = nil
gesture_state.actions.callback = nil
gesture_state.actions.pending = false
mp.osd_message("Action cancelled")
end
end
local function confirm_action(action_t)
cancel_pending_action()
gesture_state.actions.pending = true
local messages = {
[ActionType.SET_TIMER] = "Timer will be set for " .. time.minutes .. " minutes in " .. gesture_state.actions.confirm_timeout .. " seconds.\nGesture again to cancel",
[ActionType.REMOVE_TIMER] = "Timer will be removed in " .. gesture_state.actions.confirm_timeout .. " seconds.\nGesture again to cancel",
[ActionType.REINSTATE] = "Timer will be reinstated in " .. gesture_state.actions.confirm_timeout .. " seconds.\nGesture again to cancel",
[ActionType.RESET] = "Timer will be reset in " .. gesture_state.actions.confirm_timeout .. " seconds.\nGesture again to cancel"
}
mp.osd_message(messages[action_t], gesture_state.actions.confirm_timeout)
gesture_state.actions.timer = mp.add_timeout(gesture_state.actions.confirm_timeout, function()
if gesture_state.actions.callback then
gesture_state.actions.callback()
end
gesture_state.actions.timer = nil
gesture_state.actions.callback = nil
gesture_state.actions.pending = false
end)
return true
end
-- user calls this
local function handle_gesture()
mp.osd_message("Gesture Received. (" .. gesture_state.triggers.count .. ")", 3)
gesture_state.triggers.count = gesture_state.triggers.count + 1
local current_time = mp.get_time()
gesture_state.triggers.last_action_time = current_time
if gesture_state.actions.pending then
cancel_pending_action()
return
end
if gesture_state.triggers.count == ActionType.SET_TIMER then
local confirmed = confirm_action(ActionType.SET_TIMER)
if confirmed then
gesture_state.actions.callback = function()
--set_timer()
mp.osd_message("Timer has been set!")
end
end
elseif gesture_state.triggers.count == ActionType.REMOVE_TIMER then
local confirmed = confirm_action(ActionType.REMOVE_TIMER)
if confirmed then
gesture_state.actions.callback = function()
--remove_timer()
mp.osd_message("Timer has been removed.")
end
end
elseif gesture_state.triggers.count == ActionType.REINSTATE then
local confirmed = confirm_action(ActionType.REINSTATE)
if confirmed then
gesture_state.actions.callback = function()
-- reinstate_timer(t)
mp.osd_message("Reinstating [time stamp] from [FILE].")
end
end
else
gesture_state.triggers.count = 0
end
end
-- called immediately upon opening a media config_file
local function main()
mp.msg.info("[sleep.lua]: script has been loaded")
mp.osd_message("script has been loaded")
--read_config()
end
mp.add_key_binding(nil, "sleep", handle_gesture) -- the user invokes this by gesturing (user-set in input.conf)
main() -- this is run upon opening a media config_file
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