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Bubberstation/code/modules/modular_computers/computers/item/computer_files.dm
SkyratBot c50e7c03b6 [MIRROR] Fixes issues with closing apps on tablets [MDB IGNORE] (#20969)
* Fixes issues with closing apps on tablets (#75117)

## About The Pull Request

- Fixes background apps not reloading the UI
- Standardizes opening/closing/backgrounding apps
- Simplifies the way apps are closed instead of having 2 procs, one on
the PC and one on the program, being named the same thing (wtf)
- Removes program states. They existed so computers can know to update
their UI every process tick, but since we now do this event based, this
is no longer needed, which is good.
- Replaces the 'forced' arg from kill_program as it was completely
unused, with ``reload_ui``, which is now used to open the UI on close,
and not to when we don't want it to.
- Closing background apps no longer reloads the entire UI
- Responding to an NT Message will no longer open the UI on your face.

## Why It's Good For The Game

Closes https://github.com/tgstation/tgstation/issues/75046
Closes https://github.com/tgstation/tgstation/issues/75108

Makes tablet UIs more responsive and lag less, not checking if a program
is closed every process to close it, and makes responding to messages
not a hassle every time.
Also makes the code easier to understand/read,

## Changelog

🆑
fix: Tablets' minimize apps feature works again.
/🆑

* Fixes issues with closing apps on tablets

* Update tablet.dm

---------

Co-authored-by: John Willard <53777086+JohnFulpWillard@users.noreply.github.com>
Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>
2023-05-08 23:02:51 +01:00

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/**
* store_file
*
* Adds an already initialized file to the computer, checking if one already exists.
* Returns TRUE if successfully stored, FALSE otherwise.
*/
/obj/item/modular_computer/proc/store_file(datum/computer_file/file_storing)
if(!file_storing || !istype(file_storing))
return FALSE
if(!can_store_file(file_storing))
return FALSE
// This file is already stored. Don't store it again.
if(file_storing in stored_files)
return FALSE
SEND_SIGNAL(file_storing, COMSIG_MODULAR_COMPUTER_FILE_ADDING)
file_storing.computer = src
stored_files.Add(file_storing)
used_capacity += file_storing.size
SEND_SIGNAL(file_storing, COMSIG_MODULAR_COMPUTER_FILE_ADDED)
return TRUE
/**
* remove_file
*
* Removes a given file from the computer, if possible.
* Properly checking if the file even exists and is in the computer.
* Returns TRUE if successfully completed, FALSE otherwise
*/
/obj/item/modular_computer/proc/remove_file(datum/computer_file/file_removing)
if(!file_removing || !istype(file_removing))
return FALSE
if(!(file_removing in stored_files))
return FALSE
if(istype(file_removing, /datum/computer_file/program))
var/datum/computer_file/program/program_file = file_removing
if(program_file == active_program)
active_program.kill_program()
for(var/datum/computer_file/program/programs as anything in idle_threads)
programs.kill_program()
SEND_SIGNAL(file_removing, COMSIG_MODULAR_COMPUTER_FILE_DELETING)
stored_files.Remove(file_removing)
used_capacity -= file_removing.size
SEND_SIGNAL(file_removing, COMSIG_MODULAR_COMPUTER_FILE_DELETED)
return TRUE
/**
* can_store_file
*
* Checks if a computer can store a file, as computers can only store unique files.
* returns TRUE if possible, FALSE otherwise.
*/
/obj/item/modular_computer/proc/can_store_file(datum/computer_file/file)
if(!file || !istype(file))
return FALSE
if(file in stored_files)
return FALSE
if(find_file_by_name(file.filename))
return FALSE
// In the unlikely event someone manages to create that many files.
// BYOND is acting weird with numbers above 999 in loops (infinite loop prevention)
if(stored_files.len >= 999)
return FALSE
if((used_capacity + file.size) > max_capacity)
return FALSE
if(!file.can_store_file(src))
return FALSE
return TRUE
/**
* find_file_by_name
*
* Will check all applications in a tablet for files and, if they have \
* the same filename (disregarding extension), will return it.
* If a computer disk is passed instead, it will check the disk over the computer.
*/
/obj/item/modular_computer/proc/find_file_by_name(filename, obj/item/computer_disk/target_disk)
if(!filename)
return null
if(target_disk)
for(var/datum/computer_file/file as anything in target_disk.stored_files)
if(file.filename == filename)
return file
else
for(var/datum/computer_file/file as anything in stored_files)
if(file.filename == filename)
return file
return null