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mirror of https://github.com/koreader/koreader synced 2024-11-10 01:10:34 +00:00
koreader/frontend/apps/reader/modules/readerfooter.lua
2019-09-19 11:51:55 +02:00

1241 lines
47 KiB
Lua

local Blitbuffer = require("ffi/blitbuffer")
local BottomContainer = require("ui/widget/container/bottomcontainer")
local CenterContainer = require("ui/widget/container/centercontainer")
local Device = require("device")
local Event = require("ui/event")
local Font = require("ui/font")
local FrameContainer = require("ui/widget/container/framecontainer")
local Geom = require("ui/geometry")
local HorizontalGroup = require("ui/widget/horizontalgroup")
local HorizontalSpan = require("ui/widget/horizontalspan")
local LeftContainer = require("ui/widget/container/leftcontainer")
local LineWidget = require("ui/widget/linewidget")
local ProgressWidget = require("ui/widget/progresswidget")
local RightContainer = require("ui/widget/container/rightcontainer")
local Size = require("ui/size")
local TextWidget = require("ui/widget/textwidget")
local UIManager = require("ui/uimanager")
local VerticalGroup = require("ui/widget/verticalgroup")
local VerticalSpan = require("ui/widget/verticalspan")
local WidgetContainer = require("ui/widget/container/widgetcontainer")
local util = require("util")
local T = require("ffi/util").template
local _ = require("gettext")
local Screen = Device.screen
local MODE = {
off = 0,
page_progress = 1,
time = 2,
pages_left = 3,
battery = 4,
percentage = 5,
book_time_to_read = 6,
chapter_time_to_read = 7,
frontlight = 8,
mem_usage = 9,
wifi_status = 10,
}
local symbol_prefix = {
letters = {
time = nil,
pages_left = "=>",
battery = "B:",
percentage = "R:",
book_time_to_read = "TB:",
chapter_time_to_read = "TC:",
frontlight = "L:",
mem_usage = "M:",
wifi_status = "W:",
},
icons = {
time = "",
pages_left = "",
battery = "",
percentage = "",
book_time_to_read = "",
chapter_time_to_read = "",
frontlight = "",
mem_usage = "",
wifi_status = "",
}
}
-- functions that generates footer text for each mode
local footerTextGeneratorMap = {
empty = function() return "" end,
frontlight = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].frontlight
local powerd = Device:getPowerDevice()
if powerd:isFrontlightOn() then
if Device:isCervantes() or Device:isKobo() then
return (prefix .. " %d%%"):format(powerd:frontlightIntensity())
else
return (prefix .. " %d"):format(powerd:frontlightIntensity())
end
else
return T(_("%1 Off"), prefix)
end
end,
battery = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].battery
local powerd = Device:getPowerDevice()
return prefix .. " " .. (powerd:isCharging() and "+" or "") .. powerd:getCapacity() .. "%"
end,
time = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].time
local clock
if footer.settings.time_format == "12" then
clock = os.date("%I:%M%p")
else
clock = os.date("%H:%M")
end
if not prefix then
return clock
else
return prefix .. " " .. clock
end
end,
page_progress = function(footer)
if footer.pageno then
return ("%d / %d"):format(footer.pageno, footer.pages)
elseif footer.position then
return ("%d / %d"):format(footer.position, footer.doc_height)
end
end,
pages_left = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].pages_left
local left = footer.ui.toc:getChapterPagesLeft(
footer.pageno, footer.toc_level)
return prefix .. " " .. (left and left or footer.pages - footer.pageno)
end,
percentage = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].percentage
local digits = footer.settings.progress_pct_format or "0"
local string_percentage
if not prefix then
string_percentage = "%." .. digits .. "f%%"
else
string_percentage = prefix .. " %." .. digits .. "f%%"
end
return string_percentage:format(footer.progress_bar.percentage * 100)
end,
book_time_to_read = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].book_time_to_read
local current_page
if footer.view.document.info.has_pages then
current_page = footer.ui.paging.current_page
else
current_page = footer.view.document:getCurrentPage()
end
return footer:getDataFromStatistics(prefix .. " ", footer.pages - current_page)
end,
chapter_time_to_read = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].chapter_time_to_read
local left = footer.ui.toc:getChapterPagesLeft(
footer.pageno, footer.toc_level)
return footer:getDataFromStatistics(
prefix .. " ", (left and left or footer.pages - footer.pageno))
end,
mem_usage = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].mem_usage
local statm = io.open("/proc/self/statm", "r")
if statm then
local infos = statm:read("*all")
statm:close()
local rss = infos:match("^%S+ (%S+) ")
-- we got the nb of 4Kb-pages used, that we convert to Mb
rss = math.floor(tonumber(rss) * 4096 / 1024 / 1024)
return (prefix .. " %d"):format(rss)
end
return ""
end,
wifi_status = function(footer)
local symbol_type = footer.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].wifi_status
local NetworkMgr = require("ui/network/manager")
if NetworkMgr:isWifiOn() then
return T(_("%1 On"), prefix)
else
return T(_("%1 Off"), prefix)
end
end,
}
local ReaderFooter = WidgetContainer:extend{
mode = MODE.page_progress,
pageno = nil,
pages = nil,
toc_level = 0,
progress_percentage = 0.0,
footer_text = nil,
text_font_face = "ffont",
text_font_size = DMINIBAR_FONT_SIZE,
bar_height = Screen:scaleBySize(DMINIBAR_HEIGHT),
height = Screen:scaleBySize(DMINIBAR_CONTAINER_HEIGHT),
horizontal_margin = Screen:scaleBySize(10),
text_left_margin = Screen:scaleBySize(10),
bottom_padding = Screen:scaleBySize(1),
settings = {},
-- added to expose them to unit tests
textGeneratorMap = footerTextGeneratorMap,
}
function ReaderFooter:init()
self.settings = G_reader_settings:readSetting("footer") or {
-- enable progress bar by default
-- disable_progress_bar = true,
disabled = false,
all_at_once = false,
reclaim_height = false,
toc_markers = true,
battery = true,
time = true,
page_progress = true,
pages_left = true,
percentage = true,
book_time_to_read = true,
chapter_time_to_read = true,
frontlight = false,
mem_usage = false,
wifi_status = false,
item_prefix = "icons"
}
if not self.settings.order then
self.mode_nb = 0
self.mode_index = {}
local mode_tbl = {}
for k,v in pairs(MODE) do
mode_tbl[v] = k
end
local mode_name
for i = 0, #mode_tbl do
mode_name = mode_tbl[i]
if mode_name == "wifi_status" and not Device:isAndroid() then
do end -- luacheck: ignore 541
elseif mode_name == "frontlight" and not Device:hasFrontlight() then
do end -- luacheck: ignore 541
else
self.mode_index[self.mode_nb] = mode_name
self.mode_nb = self.mode_nb + 1
end
end
else
self.mode_index = self.settings.order
self.mode_nb = #self.mode_index
end
self.mode_list = {}
for i = 0, #self.mode_index do
self.mode_list[self.mode_index[i]] = i
end
if self.settings.disabled then
-- footer featuren disabled completely, stop initialization now
self:disableFooter()
return
end
self.pageno = self.view.state.page
self.has_no_mode = true
self.reclaim_height = self.settings.reclaim_height or false
for _, m in ipairs(self.mode_index) do
if self.settings[m] then
self.has_no_mode = false
break
end
end
self.footer_text = TextWidget:new{
text = '',
face = Font:getFace(self.text_font_face, self.text_font_size),
}
-- all width related values will be initialized in self:resetLayout()
self.text_width = 0
self.progress_bar = ProgressWidget:new{
width = nil,
height = self.bar_height,
percentage = self.progress_percentage,
tick_width = DMINIBAR_TOC_MARKER_WIDTH,
ticks = nil, -- ticks will be populated in self:updateFooterText
last = nil, -- last will be initialized in self:updateFooterText
}
self.text_container = RightContainer:new{
dimen = Geom:new{ w = 0, h = self.height },
self.footer_text,
}
local margin_span = HorizontalSpan:new{ width = self.horizontal_margin }
self.horizontal_group = HorizontalGroup:new{
margin_span,
self.progress_bar,
self.text_container,
margin_span,
}
self:updateFooterContainer()
self.mode = G_reader_settings:readSetting("reader_footer_mode") or self.mode
if self.has_no_mode and self.settings.disable_progress_bar then
self.mode = self.mode_list.off
self.view.footer_visible = false
self:resetLayout()
end
if self.settings.all_at_once then
self.view.footer_visible = (self.mode ~= self.mode_list.off)
self:updateFooterTextGenerator()
else
self:applyFooterMode()
end
if self.settings.auto_refresh_time then
self:setupAutoRefreshTime()
end
end
function ReaderFooter:updateFooterContainer()
if self.settings.align == "left" then
self.footer_container = LeftContainer:new{
dimen = Geom:new{ w = 0, h = self.height },
self.horizontal_group
}
elseif self.settings.align == "right" then
self.footer_container = RightContainer:new{
dimen = Geom:new{ w = 0, h = self.height },
self.horizontal_group
}
else
self.footer_container = CenterContainer:new{
dimen = Geom:new{ w = 0, h = self.height },
self.horizontal_group
}
end
if self.settings.bottom_horizontal_separator then
self.separator_line = LineWidget:new{
dimen = Geom:new{
w = 0,
h = Size.line.medium,
}
}
local vertical_span = VerticalSpan:new{width = self.bottom_padding *2}
self.vertical_frame = VerticalGroup:new{
self.separator_line,
vertical_span,
self.footer_container,
}
else
self.vertical_frame = VerticalGroup:new{
self.footer_container,
}
end
self.footer_content = FrameContainer:new{
self.vertical_frame,
background = Blitbuffer.COLOR_WHITE,
bordersize = 0,
padding = 0,
padding_bottom = self.bottom_padding,
}
self.footer_positioner = BottomContainer:new{
dimen = Geom:new{},
self.footer_content,
}
self[1] = self.footer_positioner
end
function ReaderFooter:setupAutoRefreshTime()
if not self.autoRefreshTime then
self.autoRefreshTime = function()
self:updateFooter(true)
UIManager:scheduleIn(61 - tonumber(os.date("%S")), self.autoRefreshTime)
end
end
self.onCloseDocument = function()
UIManager:unschedule(self.autoRefreshTime)
end
UIManager:scheduleIn(61 - tonumber(os.date("%S")), self.autoRefreshTime)
end
function ReaderFooter:setupTouchZones()
if not Device:isTouchDevice() then return end
local footer_screen_zone = {
ratio_x = DTAP_ZONE_MINIBAR.x, ratio_y = DTAP_ZONE_MINIBAR.y,
ratio_w = DTAP_ZONE_MINIBAR.w, ratio_h = DTAP_ZONE_MINIBAR.h,
}
self.ui:registerTouchZones({
{
id = "readerfooter_tap",
ges = "tap",
screen_zone = footer_screen_zone,
handler = function(ges) return self:onTapFooter(ges) end,
overrides = {
"tap_forward",
"tap_backward",
"readerconfigmenu_tap",
},
},
{
id = "readerfooter_hold",
ges = "hold",
screen_zone = footer_screen_zone,
handler = function() return self:onHoldFooter() end,
overrides = {
"readerhighlight_hold",
},
},
})
end
-- call this method whenever the screen size changes
function ReaderFooter:resetLayout(force_reset)
local new_screen_width = Screen:getWidth()
local new_screen_height = Screen:getHeight()
if new_screen_width == self._saved_screen_width
and new_screen_height == self._saved_screen_height and not force_reset then return end
if self.settings.disable_progress_bar then
self.progress_bar.width = 0
else
self.progress_bar.width = math.floor(
new_screen_width - self.text_width - self.horizontal_margin*2)
end
if self.separator_line then
self.separator_line.dimen.w = new_screen_width - 2 * self.horizontal_margin
end
self.horizontal_group:resetLayout()
self.footer_positioner.dimen.w = new_screen_width
self.footer_positioner.dimen.h = new_screen_height
self.footer_container.dimen.w = new_screen_width
self.dimen = self.footer_positioner:getSize()
self._saved_screen_width = new_screen_width
self._saved_screen_height = new_screen_height
end
function ReaderFooter:getHeight()
if self.footer_content then
return self.footer_content:getSize().h
else
return 0
end
end
function ReaderFooter:disableFooter()
self.onReaderReady = function() end
self.resetLayout = function() end
self.onCloseDocument = nil
self.onPageUpdate = function() end
self.onPosUpdate = function() end
self.onUpdatePos = function() end
self.onSetStatusLine = function() end
self.mode = self.mode_list.off
self.view.footer_visible = false
end
function ReaderFooter:updateFooterTextGenerator()
local footerTextGenerators = {}
for i, m in pairs(self.mode_index) do
if self.settings[m] then
table.insert(footerTextGenerators,
footerTextGeneratorMap[m])
if not self.settings.all_at_once then
-- if not show all at once, then one is enough
self.mode = i
break
end
end
end
if #footerTextGenerators == 0 then
-- all modes are disabled
self.genFooterText = footerTextGeneratorMap.empty
elseif #footerTextGenerators == 1 then
-- there is only one mode enabled, simplify the generator
-- function to that one
self.genFooterText = footerTextGenerators[1]
else
self.footerTextGenerators = footerTextGenerators
self.genFooterText = self.genAllFooterText
end
-- notify caller that UI needs update
return true
end
function ReaderFooter:progressPercentage(digits)
local symbol_type = self.settings.item_prefix or "icons"
local prefix = symbol_prefix[symbol_type].percentage
local string_percentage
if not prefix then
string_percentage = "%." .. digits .. "f%%"
else
string_percentage = prefix .. " %." .. digits .. "f%%"
end
return string_percentage:format(self.progress_bar.percentage * 100)
end
function ReaderFooter:textOptionTitles(option)
local symbol = self.settings.item_prefix or "icons"
local option_titles = {
all_at_once = _("Show all at once"),
reclaim_height = _("Reclaim bar height from bottom margin"),
page_progress = T(_("Current page (%1)"), "/"),
time = symbol_prefix[symbol].time
and T(_("Current time (%1)"), symbol_prefix[symbol].time) or _("Current time"),
pages_left = T(_("Pages left in chapter (%1)"), symbol_prefix[symbol].pages_left),
battery = T(_("Battery status (%1)"), symbol_prefix[symbol].battery),
percentage = symbol_prefix[symbol].percentage
and T(_("Progress percentage (%1)"), symbol_prefix[symbol].percentage) or ("Progress percentage"),
book_time_to_read = T(_("Book time to read (%1)"),symbol_prefix[symbol].book_time_to_read),
chapter_time_to_read = T(_("Chapter time to read (%1)"), symbol_prefix[symbol].chapter_time_to_read),
frontlight = T(_("Frontlight level (%1)"), symbol_prefix[symbol].frontlight),
mem_usage = T(_("KOReader memory usage (%1)"), symbol_prefix[symbol].mem_usage),
wifi_status = T(_("Wi-Fi status (%1)"), symbol_prefix[symbol].wifi_status),
}
return option_titles[option]
end
function ReaderFooter:addToMainMenu(menu_items)
local sub_items = {}
menu_items.status_bar = {
text = _("Status bar"),
sub_item_table = sub_items,
}
-- menu item to fake footer tapping when touch area is disabled
if Geom:new{
x = DTAP_ZONE_MINIBAR.x,
y = DTAP_ZONE_MINIBAR.y,
w = DTAP_ZONE_MINIBAR.w,
h = DTAP_ZONE_MINIBAR.h
}:area() == 0 then
table.insert(sub_items, {
text = _("Toggle mode"),
enabled_func = function()
return not self.view.flipping_visible
end,
callback = function() self:onTapFooter() end,
})
end
local getMinibarOption = function(option, callback)
return {
text_func = function()
return self:textOptionTitles(option)
end,
checked_func = function()
return self.settings[option] == true
end,
callback = function()
self.settings[option] = not self.settings[option]
G_reader_settings:saveSetting("footer", self.settings)
-- only case that we don't need a UI update is enable/disable
-- non-current mode when all_at_once is disabled.
local should_update = false
local first_enabled_mode_num
local prev_has_no_mode = self.has_no_mode
local prev_reclaim_height = self.reclaim_height
self.has_no_mode = true
for mode_num, m in pairs(self.mode_index) do
if self.settings[m] then
first_enabled_mode_num = mode_num
self.has_no_mode = false
break
end
end
self.reclaim_height = self.settings.reclaim_height or false
-- refresh margins position
if self.has_no_mode then
self.ui:handleEvent(Event:new("SetPageBottomMargin", self.view.document.configurable.b_page_margin))
self.genFooterText = footerTextGeneratorMap.empty
self.mode = self.mode_list.off
elseif prev_has_no_mode then
self.ui:handleEvent(Event:new("SetPageBottomMargin", self.view.document.configurable.b_page_margin))
G_reader_settings:saveSetting("reader_footer_mode", first_enabled_mode_num)
elseif self.reclaim_height ~= prev_reclaim_height then
self.ui:handleEvent(Event:new("SetPageBottomMargin", self.view.document.configurable.b_page_margin))
should_update = true
end
if callback then
should_update = callback(self)
elseif self.settings.all_at_once then
should_update = self:updateFooterTextGenerator()
elseif (self.mode_list[option] == self.mode and self.settings[option] == false)
or (prev_has_no_mode ~= self.has_no_mode) then
-- current mode got disabled, redraw footer with other
-- enabled modes. if all modes are disabled, then only show
-- progress bar
if not self.has_no_mode then
self.mode = first_enabled_mode_num
end
should_update = true
self:applyFooterMode()
end
if should_update then
self:updateFooter()
UIManager:setDirty(nil, "ui")
end
end,
}
end
table.insert(sub_items, {
text = _("Settings"),
sub_item_table = {
{
text = _("Sort items"),
callback = function()
local item_table = {}
for i=1, #self.mode_index do
table.insert(item_table, {text = self:textOptionTitles(self.mode_index[i]), label = self.mode_index[i]})
end
local SortWidget = require("ui/widget/sortwidget")
local sort_item
sort_item = SortWidget:new{
title = _("Sort footer items"),
item_table = item_table,
callback = function()
for i=1, #sort_item.item_table do
self.mode_index[i] = sort_item.item_table[i].label
end
self.settings.order = self.mode_index
G_reader_settings:saveSetting("footer", self.settings)
self:updateFooterTextGenerator()
self:updateFooter()
UIManager:setDirty(nil, "ui")
end
}
UIManager:show(sort_item)
end,
},
getMinibarOption("all_at_once", self.updateFooterTextGenerator),
getMinibarOption("reclaim_height"),
{
text = _("Auto refresh time"),
checked_func = function()
return self.settings.auto_refresh_time == true
end,
-- only enable auto refresh when time is shown
enabled_func = function() return self.settings.time end,
callback = function()
self.settings.auto_refresh_time = not self.settings.auto_refresh_time
G_reader_settings:saveSetting("footer", self.settings)
if self.settings.auto_refresh_time then
self:setupAutoRefreshTime()
else
UIManager:unschedule(self.autoRefreshTime)
self.onCloseDocument = nil
end
end
},
{
text = _("Show footer separator"),
separator = true,
checked_func = function()
return self.settings.bottom_horizontal_separator
end,
callback = function()
self.settings.bottom_horizontal_separator = not self.settings.bottom_horizontal_separator
self:updateFooterContainer()
self:resetLayout(true)
self:updateFooter()
self.ui:handleEvent(Event:new("SetPageBottomMargin", self.view.document.configurable.b_page_margin))
UIManager:setDirty(nil, "ui")
end,
},
{
text = _("Alignment"),
enabled_func = function()
return self.settings.disable_progress_bar == true
end,
sub_item_table = {
{
text = _("Center"),
checked_func = function()
return self.settings.align == "center" or self.settings.align == nil
end,
callback = function()
self.settings.align = "center"
self:updateFooterContainer()
self:resetLayout(true)
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text = _("Left"),
checked_func = function()
return self.settings.align == "left"
end,
callback = function()
self.settings.align = "left"
self:updateFooterContainer()
self:resetLayout(true)
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text = _("Right"),
checked_func = function()
return self.settings.align == "right"
end,
callback = function()
self.settings.align = "right"
self:updateFooterContainer()
self:resetLayout(true)
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
}
},
{
text = _("Prefix"),
sub_item_table = {
{
text_func = function()
local sym_tbl = {}
for _, letter in pairs(symbol_prefix.icons) do
table.insert(sym_tbl, letter)
end
return T(_("Icons (%1)"), table.concat(sym_tbl, " "))
end,
checked_func = function()
return self.settings.item_prefix == "icons" or self.settings.item_prefix == nil
end,
callback = function()
self.settings.item_prefix = "icons"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text_func = function()
local sym_tbl = {}
for _, letter in pairs(symbol_prefix.letters) do
table.insert(sym_tbl, letter)
end
return T(_("Letters (%1)"), table.concat(sym_tbl, " "))
end,
checked_func = function()
return self.settings.item_prefix == "letters"
end,
callback = function()
self.settings.item_prefix = "letters"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
},
},
{
text = _("Item separator"),
sub_item_table = {
{
text = _("Vertical line (|)"),
checked_func = function()
return self.settings.items_separator == "bar" or self.settings.items_separator == nil
end,
callback = function()
self.settings.items_separator = "bar"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text = _("Bullet (•)"),
checked_func = function()
return self.settings.items_separator == "bullet"
end,
callback = function()
self.settings.items_separator = "bullet"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text = _("No separator"),
checked_func = function()
return self.settings.items_separator == "none"
end,
callback = function()
self.settings.items_separator = "none"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
},
},
{
text = _("Progress percentage format"),
sub_item_table = {
{
text_func = function()
return T(_("No decimal point (%1)"), self:progressPercentage(0))
end,
checked_func = function()
return self.settings.progress_pct_format == "0" or self.settings.progress_pct_format == nil
end,
callback = function()
self.settings.progress_pct_format = "0"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text_func = function()
return T(_("1 digit after decimal point (%1)"), self:progressPercentage(1))
end,
checked_func = function()
return self.settings.progress_pct_format == "1"
end,
callback = function()
self.settings.progress_pct_format = "1"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text_func = function()
return T(_("2 digits after decimal point (%1)"), self:progressPercentage(2))
end,
checked_func = function()
return self.settings.progress_pct_format == "2"
end,
callback = function()
self.settings.progress_pct_format = "2"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
},
},
{
text = _("Time format"),
sub_item_table = {
{
text_func = function()
local footer = {}
footer.settings = {}
footer.settings.time_format = "24"
footer.settings.item_prefix = self.settings.item_prefix or "icons"
return T(_("24-hour (%1)"),footerTextGeneratorMap.time(footer))
end,
checked_func = function()
return self.settings.time_format == "24" or self.settings.time_format == nil
end,
callback = function()
self.settings.time_format = "24"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text_func = function()
local footer = {}
footer.settings = {}
footer.settings.time_format = "12"
footer.settings.item_prefix = self.settings.item_prefix or "icons"
return T(_("12-hour (%1)"),footerTextGeneratorMap.time(footer))
end,
checked_func = function()
return self.settings.time_format == "12"
end,
callback = function()
self.settings.time_format = "12"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
}
},
{
text = _("Duration format"),
sub_item_table = {
{
text_func = function()
local current_duration_format = self.settings.duration_format
local return_text
self.settings.duration_format = "modern"
return_text = footerTextGeneratorMap.book_time_to_read(self)
self.settings.duration_format = current_duration_format
return T(_("Modern (%1)"), return_text)
end,
checked_func = function()
return self.settings.duration_format == "modern" or self.settings.duration_format == nil
end,
callback = function()
self.settings.duration_format = "modern"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text_func = function()
local current_duration_format = self.settings.duration_format
local return_text
self.settings.duration_format = "classic"
return_text = footerTextGeneratorMap.book_time_to_read(self)
self.settings.duration_format = current_duration_format
return T(_("Classic (%1)"), return_text)
end,
checked_func = function()
return self.settings.duration_format == "classic"
end,
callback = function()
self.settings.duration_format = "classic"
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
}
},
}
})
table.insert(sub_items, {
text = _("Progress bar"),
separator = true,
sub_item_table = {
{
text = _("Show progress bar"),
checked_func = function()
return not self.settings.disable_progress_bar
end,
callback = function()
self.settings.disable_progress_bar = not self.settings.disable_progress_bar
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
{
text = _("Show chapter markers"),
checked_func = function()
return self.settings.toc_markers
end,
enabled_func = function()
return not self.settings.disable_progress_bar
end,
callback = function()
self.settings.toc_markers = not self.settings.toc_markers
self:setTocMarkers()
self:updateFooter()
UIManager:setDirty(nil, "ui")
end,
},
}
})
table.insert(sub_items, getMinibarOption("page_progress"))
table.insert(sub_items, getMinibarOption("time"))
table.insert(sub_items, getMinibarOption("pages_left"))
table.insert(sub_items, getMinibarOption("battery"))
table.insert(sub_items, getMinibarOption("percentage"))
table.insert(sub_items, getMinibarOption("book_time_to_read"))
table.insert(sub_items, getMinibarOption("chapter_time_to_read"))
if Device:hasFrontlight() then
table.insert(sub_items, getMinibarOption("frontlight"))
end
table.insert(sub_items, getMinibarOption("mem_usage"))
if Device:isAndroid() then
table.insert(sub_items, getMinibarOption("wifi_status"))
end
end
-- this method will be updated at runtime based on user setting
function ReaderFooter:genFooterText() end
function ReaderFooter:genAllFooterText()
local info = {}
local separator = " "
if self.settings.items_separator == "bar" or self.settings.items_separator == nil then
separator = " | "
elseif self.settings.items_separator == "bullet" then
separator = ""
end
for _, gen in ipairs(self.footerTextGenerators) do
table.insert(info, gen(self))
end
return table.concat(info, separator)
end
-- this method should never get called when footer is disabled
function ReaderFooter:setTocMarkers(reset)
if reset then
self.progress_bar.ticks = nil
end
if self.settings.toc_markers then
if self.progress_bar.ticks ~= nil then return end
local ticks_candidates = {}
if self.ui.toc then
local max_level = self.ui.toc:getMaxDepth()
for i = 0, -max_level, -1 do
local ticks = self.ui.toc:getTocTicks(i)
table.insert(ticks_candidates, ticks)
end
-- find the finest toc ticks by sorting out the largest one
table.sort(ticks_candidates, function(a, b) return #a > #b end)
end
if #ticks_candidates > 0 then
self.progress_bar.ticks = ticks_candidates[1]
self.progress_bar.last = self.pages or self.view.document:getPageCount()
else
-- we still set ticks here so self.progress_bar.ticks will not be
-- initialized again if ticks_candidates is empty
self.progress_bar.ticks = {}
end
else
self.progress_bar.ticks = nil
end
-- notify caller that UI needs update
return true
end
function ReaderFooter:getAvgTimePerPage()
return
end
function ReaderFooter:getDataFromStatistics(title, pages)
local sec = 'na'
local average_time_per_page = self:getAvgTimePerPage()
if average_time_per_page then
if self.settings.duration_format == "classic" then
sec = util.secondsToClock(pages * average_time_per_page, true)
else
sec = util.secondsToHClock(pages * average_time_per_page, true)
end
end
return title .. sec
end
function ReaderFooter:updateFooter(force_repaint)
if self.pageno then
self:updateFooterPage(force_repaint)
else
self:updateFooterPos(force_repaint)
end
end
function ReaderFooter:updateFooterPage(force_repaint)
if type(self.pageno) ~= "number" then return end
self.progress_bar.percentage = self.pageno / self.pages
self:updateFooterText(force_repaint)
end
function ReaderFooter:updateFooterPos(force_repaint)
if type(self.position) ~= "number" then return end
self.progress_bar.percentage = self.position / self.doc_height
self:updateFooterText(force_repaint)
end
-- updateFooterText will start as a noop. After onReaderReady event is
-- received, it will initialized as _updateFooterText below
function ReaderFooter:updateFooterText(force_repaint)
end
-- only call this function after document is fully loaded
function ReaderFooter:_updateFooterText(force_repaint)
local text = self:genFooterText()
if text then
self.footer_text:setText(text)
end
if self.settings.disable_progress_bar then
if self.has_no_mode or not text then
self.text_width = 0
else
self.text_width = self.footer_text:getSize().w
end
self.progress_bar.width = 0
else
if self.has_no_mode or not text then
self.text_width = 0
else
self.text_width = self.footer_text:getSize().w + self.text_left_margin
end
self.progress_bar.width = math.floor(
self._saved_screen_width - self.text_width - self.horizontal_margin*2)
end
if self.separator_line then
self.separator_line.dimen.w = self._saved_screen_width - 2 * self.horizontal_margin
end
self.text_container.dimen.w = self.text_width
self.horizontal_group:resetLayout()
-- NOTE: This is essentially preventing us from truly using "fast" for panning,
-- since it'll get coalesced in the "fast" panning update, upgrading it to "ui".
-- NOTE: That's assuming using "fast" for pans was a good idea, which, it turned out, not so much ;).
-- NOTE: We skip repaints on page turns/pos update, as that's redundant (and slow).
if force_repaint then
-- NOTE: We need to repaint everything when toggling the progress bar, for some reason.
UIManager:setDirty(self.view.dialog, function()
return "ui", self.footer_content.dimen
end)
end
end
function ReaderFooter:onPageUpdate(pageno)
self.pageno = pageno
self.pages = self.view.document:getPageCount()
self.ui.doc_settings:saveSetting("doc_pages", self.pages) -- for Book information
self:updateFooterPage()
end
function ReaderFooter:onPosUpdate(pos, pageno)
self.position = pos
self.doc_height = self.view.document.info.doc_height
if pageno then
self.pageno = pageno
self.pages = self.view.document:getPageCount()
self.ui.doc_settings:saveSetting("doc_pages", self.pages) -- for Book information
end
self:updateFooterPos()
end
-- recalculate footer sizes when document page count is updated
-- see documentation for more info about this event.
ReaderFooter.onUpdatePos = ReaderFooter.updateFooter
function ReaderFooter:onReaderReady()
self.ui.menu:registerToMainMenu(self)
self:setupTouchZones()
self:resetLayout() -- set widget dimen
self:setTocMarkers()
self.updateFooterText = self._updateFooterText
self:updateFooter()
end
function ReaderFooter:applyFooterMode(mode)
-- three modes switcher for reader footer
-- 0 for footer off
-- 1 for footer page info
-- 2 for footer time info
-- 3 for footer next_chapter info
-- 4 for battery status
-- 5 for progress percentage
-- 6 for from statistics book time to read
-- 7 for from statistics chapter time to read
-- 8 for front light level
-- 9 for memory usage
-- 10 for wifi status
if mode ~= nil then self.mode = mode end
self.view.footer_visible = (self.mode ~= self.mode_list.off)
-- If all-at-once is enabled, just hide, but the text will keep being processed...
if self.settings.all_at_once then
return
end
-- We're not in all-at-once mode, disable text generation entirely when we're hidden
if not self.view.footer_visible then
self.genFooterText = footerTextGeneratorMap.empty
return
end
local mode_name = self.mode_index[self.mode]
if not self.settings[mode_name] or self.has_no_mode then
-- all modes disabled, only show progress bar
mode_name = "empty"
end
self.genFooterText = footerTextGeneratorMap[mode_name]
end
function ReaderFooter:onEnterFlippingMode()
self.orig_mode = self.mode
self:applyFooterMode(self.mode_list.page_progress)
end
function ReaderFooter:onExitFlippingMode()
self:applyFooterMode(self.orig_mode)
end
function ReaderFooter:onTapFooter(ges)
if self.has_no_mode then
return
end
if self.view.flipping_visible then
local pos = ges.pos
local dimen = self.progress_bar.dimen
-- if reader footer is not drawn before the dimen value should be nil
if dimen then
local percentage = (pos.x - dimen.x)/dimen.w
self.ui:handleEvent(Event:new("GotoPercentage", percentage))
end
else
if self.settings.all_at_once or self.has_no_mode then
if self.mode >= 1 then
self.mode = self.mode_list.off
else
self.mode = self.mode_list.page_progress
end
else
self.mode = (self.mode + 1) % self.mode_nb
for i, m in ipairs(self.mode_index) do
if self.mode == self.mode_list.off then break end
if self.mode == i then
if self.settings[m] then
break
else
self.mode = (self.mode + 1) % self.mode_nb
end
end
end
end
self:applyFooterMode()
G_reader_settings:saveSetting("reader_footer_mode", self.mode)
end
self:updateFooter(true)
return true
end
function ReaderFooter:onHoldFooter()
if self.mode == self.mode_list.off then return end
self.ui:handleEvent(Event:new("ShowSkimtoDialog"))
return true
end
function ReaderFooter:setVisible(visible)
if visible then
-- If it was off, just do as if we tap'ed on it (so we don't
-- duplicate onTapFooter() code - not if flipping_visible as in
-- this case, a ges.pos argument to onTapFooter(ges) is required)
if self.mode == self.mode_list.off and not self.view.flipping_visible then
self:onTapFooter()
end
self.view.footer_visible = (self.mode ~= self.mode_list.off)
else
self:applyFooterMode(self.mode_list.off)
end
end
function ReaderFooter:onResume()
self:updateFooter()
if self.settings.auto_refresh_time then
self:setupAutoRefreshTime()
end
end
function ReaderFooter:onSuspend()
if self.settings.auto_refresh_time then
UIManager:unschedule(self.autoRefreshTime)
self.onCloseDocument = nil
end
end
function ReaderFooter:onFrontlightStateChanged()
if self.settings.frontlight then
self:updateFooter(true)
end
end
function ReaderFooter:onChangeScreenMode()
self:updateFooterContainer()
self:resetLayout(true)
end
return ReaderFooter