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koreader/frontend/apps/filemanager/filemanagerutil.lua
Martín Fernández 67627ce2d9
Remarkable port (#5828)
Touchscreen is mirrored in X & Y and has a different resolution from the eink panel.

Uses systemd for time/date/suspend/poweroff/reboot
Two systemd units for platform integration. button-listen is a very
simple launcher.
to-do: add support for wifi by implementing  a wpa supplicant dbus client.

Authored-by: Thomas Spurden <tcrs@users.noreply.github.com>
2020-02-08 01:58:10 +01:00

83 lines
2.7 KiB
Lua

--[[--
This module contains miscellaneous helper functions for FileManager
]]
local Device = require("device")
local DocSettings = require("docsettings")
local util = require("ffi/util")
local _ = require("gettext")
local filemanagerutil = {}
function filemanagerutil.getDefaultDir()
if Device:isAndroid() then
return Device.external_storage()
elseif Device:isCervantes() then
return "/mnt/public"
elseif Device:isKindle() then
return "/mnt/us/documents"
elseif Device:isKobo() then
return "/mnt/onboard"
elseif Device:isRemarkable() then
return "/home/root"
else
return "."
end
end
function filemanagerutil.abbreviate(path)
if not path then return "" end
if G_reader_settings:nilOrTrue("shorten_home_dir") then
local home_dir = G_reader_settings:readSetting("home_dir") or filemanagerutil.getDefaultDir()
if path == home_dir then
return _("Home")
end
local len = home_dir:len()
local start = path:sub(1, len)
if start == home_dir and path:sub(len+1, len+1) == "/" then
return path:sub(len+2)
end
end
return path
end
-- Purge doc settings in sidecar directory,
function filemanagerutil.purgeSettings(file)
local file_abs_path = util.realpath(file)
if file_abs_path then
os.remove(DocSettings:getSidecarFile(file_abs_path))
-- Also remove backup, otherwise it will be used if we re-open this document
-- (it also allows for the sidecar folder to be empty and removed)
os.remove(DocSettings:getSidecarFile(file_abs_path)..".old")
-- If the sidecar folder is empty, os.remove() can delete it.
-- Otherwise, the following statement has no effect.
os.remove(DocSettings:getSidecarDir(file_abs_path))
end
end
-- Remove from history (and update lastfile to an existing file)
-- if autoremove_deleted_items_from_history is enabled
function filemanagerutil.removeFileFromHistoryIfWanted(file)
if G_reader_settings:readSetting("autoremove_deleted_items_from_history") then
local readhistory = require("readhistory")
readhistory:removeItemByPath(file)
filemanagerutil.ensureLastFileExists()
end
end
-- Update lastfile setting to the most recent one in history
-- that still exists
function filemanagerutil.ensureLastFileExists()
local last_existing_file = nil
local readhistory = require("readhistory")
for i=1, #readhistory.hist do
if lfs.attributes(readhistory.hist[i].file, "mode") == "file" then
last_existing_file = readhistory.hist[i].file
break
end
end
G_reader_settings:saveSetting("lastfile", last_existing_file)
end
return filemanagerutil