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