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98568e191ad4d29184af9f180887ef8d57b7c76f
Bubberstation/code/modules/modular_computers/file_system/programs/ntdownloader.dm
SkyratBot 98568e191a [MIRROR] Enforce preserving parent proc return values across ui_act call stacks (#999) 
* Enforce preserving parent proc return values across ui_act call stacks (#53964)

All ui_act procs should call parent by default. All procs should preserve the value of the parent proc when it's TRUTHY and pass it down the call stack. No UI should be interactible when its flags or state indicate it should not be, except when explicity overriden by child procs intentionally disregarding parent return values to achieve a specific goal.

* Enforce preserving parent proc return values across ui_act call stacks

Co-authored-by: Timberpoes <silent_insomnia_pp@hotmail.co.uk>
2020-09-26 17:17:59 +02:00

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/datum/computer_file/program/ntnetdownload
filename = "ntsoftwarehub"
filedesc = "NT Software Hub"
program_icon_state = "generic"
extended_desc = "This program allows downloads of software from official NT repositories"
unsendable = TRUE
undeletable = TRUE
size = 4
requires_ntnet = TRUE
requires_ntnet_feature = NTNET_SOFTWAREDOWNLOAD
available_on_ntnet = FALSE
ui_header = "downloader_finished.gif"
tgui_id = "NtosNetDownloader"
var/datum/computer_file/program/downloaded_file = null
var/hacked_download = FALSE
var/download_completion = FALSE //GQ of downloaded data.
var/download_netspeed = 0
var/downloaderror = ""
var/obj/item/modular_computer/my_computer = null
var/emagged = FALSE
var/list/main_repo
var/list/antag_repo
/datum/computer_file/program/ntnetdownload/run_program()
. = ..()
main_repo = SSnetworks.station_network.available_station_software
antag_repo = SSnetworks.station_network.available_antag_software
/datum/computer_file/program/ntnetdownload/run_emag()
if(emagged)
return FALSE
emagged = TRUE
return TRUE
/datum/computer_file/program/ntnetdownload/proc/begin_file_download(filename)
if(downloaded_file)
return FALSE
var/datum/computer_file/program/PRG = SSnetworks.station_network.find_ntnet_file_by_name(filename)
if(!PRG || !istype(PRG))
return FALSE
// Attempting to download antag only program, but without having emagged/syndicate computer. No.
if(PRG.available_on_syndinet && !emagged)
return FALSE
var/obj/item/computer_hardware/hard_drive/hard_drive = computer.all_components[MC_HDD]
if(!computer || !hard_drive || !hard_drive.can_store_file(PRG))
return FALSE
ui_header = "downloader_running.gif"
if(PRG in main_repo)
generate_network_log("Began downloading file [PRG.filename].[PRG.filetype] from NTNet Software Repository.")
hacked_download = FALSE
else if(PRG in antag_repo)
generate_network_log("Began downloading file **ENCRYPTED**.[PRG.filetype] from unspecified server.")
hacked_download = TRUE
else
generate_network_log("Began downloading file [PRG.filename].[PRG.filetype] from unspecified server.")
hacked_download = FALSE
downloaded_file = PRG.clone()
/datum/computer_file/program/ntnetdownload/proc/abort_file_download()
if(!downloaded_file)
return
generate_network_log("Aborted download of file [hacked_download ? "**ENCRYPTED**" : "[downloaded_file.filename].[downloaded_file.filetype]"].")
downloaded_file = null
download_completion = FALSE
ui_header = "downloader_finished.gif"
/datum/computer_file/program/ntnetdownload/proc/complete_file_download()
if(!downloaded_file)
return
generate_network_log("Completed download of file [hacked_download ? "**ENCRYPTED**" : "[downloaded_file.filename].[downloaded_file.filetype]"].")
var/obj/item/computer_hardware/hard_drive/hard_drive = computer.all_components[MC_HDD]
if(!computer || !hard_drive || !hard_drive.store_file(downloaded_file))
// The download failed
downloaderror = "I/O ERROR - Unable to save file. Check whether you have enough free space on your hard drive and whether your hard drive is properly connected. If the issue persists contact your system administrator for assistance."
downloaded_file = null
download_completion = FALSE
ui_header = "downloader_finished.gif"
/datum/computer_file/program/ntnetdownload/process_tick()
if(!downloaded_file)
return
if(download_completion >= downloaded_file.size)
complete_file_download()
// Download speed according to connectivity state. NTNet server is assumed to be on unlimited speed so we're limited by our local connectivity
download_netspeed = 0
// Speed defines are found in misc.dm
switch(ntnet_status)
if(1)
download_netspeed = NTNETSPEED_LOWSIGNAL
if(2)
download_netspeed = NTNETSPEED_HIGHSIGNAL
if(3)
download_netspeed = NTNETSPEED_ETHERNET
download_completion += download_netspeed
/datum/computer_file/program/ntnetdownload/ui_act(action, params)
. = ..()
if(.)
return
switch(action)
if("PRG_downloadfile")
if(!downloaded_file)
begin_file_download(params["filename"])
return TRUE
if("PRG_reseterror")
if(downloaderror)
download_completion = FALSE
download_netspeed = FALSE
downloaded_file = null
downloaderror = ""
return TRUE
return FALSE
/datum/computer_file/program/ntnetdownload/ui_data(mob/user)
my_computer = computer
if(!istype(my_computer))
return
var/obj/item/computer_hardware/card_slot/card_slot = computer.all_components[MC_CARD]
var/list/access = card_slot?.GetAccess()
var/list/data = get_header_data()
data["downloading"] = !!downloaded_file
data["error"] = downloaderror || FALSE
// Download running. Wait please..
if(downloaded_file)
data["downloadname"] = downloaded_file.filename
data["downloaddesc"] = downloaded_file.filedesc
data["downloadsize"] = downloaded_file.size
data["downloadspeed"] = download_netspeed
data["downloadcompletion"] = round(download_completion, 0.1)
var/obj/item/computer_hardware/hard_drive/hard_drive = my_computer.all_components[MC_HDD]
data["disk_size"] = hard_drive.max_capacity
data["disk_used"] = hard_drive.used_capacity
var/list/all_entries[0]
for(var/A in main_repo)
var/datum/computer_file/program/P = A
// Only those programs our user can run will show in the list
if(!P.can_run(user,transfer = 1, access = access) || hard_drive.find_file_by_name(P.filename))
continue
all_entries.Add(list(list(
"filename" = P.filename,
"filedesc" = P.filedesc,
"fileinfo" = P.extended_desc,
"compatibility" = check_compatibility(P),
"size" = P.size,
)))
data["hackedavailable"] = FALSE
if(emagged) // If we are running on emagged computer we have access to some "bonus" software
var/list/hacked_programs[0]
for(var/S in antag_repo)
var/datum/computer_file/program/P = S
if(hard_drive.find_file_by_name(P.filename))
continue
data["hackedavailable"] = TRUE
hacked_programs.Add(list(list(
"filename" = P.filename,
"filedesc" = P.filedesc,
"fileinfo" = P.extended_desc,
"size" = P.size,
)))
data["hacked_programs"] = hacked_programs
data["downloadable_programs"] = all_entries
return data
/datum/computer_file/program/ntnetdownload/proc/check_compatibility(datum/computer_file/program/P)
var/hardflag = computer.hardware_flag
if(P && P.is_supported_by_hardware(hardflag,0))
return "Compatible"
return "Incompatible!"
/datum/computer_file/program/ntnetdownload/kill_program(forced)
abort_file_download()
return ..()
////////////////////////
//Syndicate Downloader//
////////////////////////
/// This app only lists programs normally found in the emagged section of the normal downloader app
/datum/computer_file/program/ntnetdownload/syndicate
filename = "syndownloader"
filedesc = "Software Download Tool"
program_icon_state = "generic"
extended_desc = "This program allows downloads of software from shared Syndicate repositories"
requires_ntnet = FALSE
ui_header = "downloader_finished.gif"
tgui_id = "NtosNetDownloader"
emagged = TRUE
/datum/computer_file/program/ntnetdownload/syndicate/run_program()
. = ..()
main_repo = SSnetworks.station_network.available_antag_software
antag_repo = null
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