aboutsummaryrefslogtreecommitdiff
path: root/lua/sleep.lua
blob: ae80d18569b618ad6a2083c0cab628cb03527bf0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
local mp = require 'mp'
--local utils = require 'mp.utils'

local config = {
	file = "/storage/emulated/0/Android/media/is.xyz.mpv/scripts/sleep.json",
	logging = true,
}

local time = {
	minutes = 0,
	format = "%02d:%02d:%02d",
	remaining = 0,
	display_time = true,
}

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
}


local function log(msg_str)
	if config.logging then
		mp.msg.info("[sleep.lua]: " .. msg_str)
	end
end

---------------------------
--      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 and e_obj) then
		log(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
		log("could not extract \"" .. string.match(obj_key, "\"([^\"]+)\"") .. "\"" .. " from " .. config.file)
		return nil
	end

	return key_val
end

local function read_config()
	log("opening" .. config.file .. "...")

	local openf, err = io.open(config.file, "r")
	if openf == nil then
		log("failed to open" .. config.file .. "! " .. err)
		return
	end

	local file_str = openf:read("*all")
	if file_str == nil or file_str == "" then
		log("Failed to read config.file into string or config.file is empty" .. config.file .. "!")
		openf:close()
		return
	end

	log("config:\n" .. file_str)
	log("closing" .. config.file .. ".")
	io.close(openf)

	local default_time = read_jsonkey_value(file_str, "\"config\"", "\"default_time\"%s*:%s*([%d%.]+)")
	local display_time = read_jsonkey_value(file_str, "\"config\"", "\"display_time\"%s*:%s*(%a+)")

	log("default_time " .. default_time)
	time.minutes = default_time
	time.display_time = display_time
	log("time.minutes " .. time.minutes)
	log("time.display_time " .. (time.display_time or "nil"))
end

---------------------------
--     Sleep / Timer     --
---------------------------

local function set_timer()
	time.active = true
	time.remaining = time.minutes * 60

	local update_timer
	update_timer = mp.add_periodic_timer(1, function()
		if not time.active then
			update_timer:kill()
			return
		end

		if mp.get_property("pause") == "no" then
			time.remaining = time.remaining - 1
		end

		if time.display_time then
			local hrs = math.floor(time.remaining / 3600)
			local min = math.floor((time.remaining % 3600) / 60)
			local sec = time.remaining % 60
			local rem = string.format(time.format, hrs, min, sec)

			log("time remaining: " .. rem)
			if not gesture_state.actions.pending then
				mp.osd_message("Sleep Timer: " .. rem, 3)
			end
		end

		if time.remaining <= 0 then
			log("time expired. Killing timer")
			update_timer:kill()
			time.active = false
			time.remaining = nil

			mp.osd_message("Sleep timer expired - pausing playback", 3)
			log("pausing playback.")
			mp.set_property("pause", "yes")
		end
	end)
end

local function remove_timer()
	time.active = false
	time.remaining = 0
end

---------------------------
--    Action / Gestures  --
---------------------------

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", 3)
    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",
	}

	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()
	local current_time = mp.get_time()
	gesture_state.triggers.last_action_time = current_time
	gesture_state.triggers.count = gesture_state.triggers.count + 1

	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 and not time.active then
			gesture_state.actions.callback = function()
				log("sleep action confirmed. Setting timer for " .. time.minutes .. " minutes")
				set_timer()
				mp.osd_message("Timer has been set!")
			end
		else
			mp.osd_message("Timer already exists", 4)
			log("timer already exists.")
			gesture_state.actions.pending = false
		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
	else
		gesture_state.triggers.count = 0
	end
end

-- called immediately upon opening a media config.file
local function main()
	log("script has been loaded")
	read_config()
	log("script has initialized defaults")
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 file