mirror of
https://github.com/koreader/koreader
synced 2024-11-10 01:10:34 +00:00
845 lines
32 KiB
Lua
845 lines
32 KiB
Lua
local BD = require("ui/bidi")
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local Blitbuffer = require("ffi/blitbuffer")
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local ButtonDialogTitle = require("ui/widget/buttondialogtitle")
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local BookStatusWidget = require("ui/widget/bookstatuswidget")
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local BottomContainer = require("ui/widget/container/bottomcontainer")
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local Device = require("device")
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local DocSettings = require("docsettings")
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local DocumentRegistry = require("document/documentregistry")
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local Font = require("ui/font")
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local Geom = require("ui/geometry")
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local InfoMessage = require("ui/widget/infomessage")
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local ImageWidget = require("ui/widget/imagewidget")
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local Math = require("optmath")
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local OverlapGroup = require("ui/widget/overlapgroup")
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local ScreenSaverWidget = require("ui/widget/screensaverwidget")
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local SpinWidget = require("ui/widget/spinwidget")
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local TextBoxWidget = require("ui/widget/textboxwidget")
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local TopContainer = require("ui/widget/container/topcontainer")
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local UIManager = require("ui/uimanager")
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local VerticalGroup = require("ui/widget/verticalgroup")
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local VerticalSpan = require("ui/widget/verticalspan")
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local ffiUtil = require("ffi/util")
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local lfs = require("libs/libkoreader-lfs")
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local logger = require("logger")
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local util = require("util")
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local _ = require("gettext")
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local Screen = Device.screen
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local T = ffiUtil.template
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-- Default settings
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if G_reader_settings:hasNot("screensaver_show_message") then
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G_reader_settings:makeFalse("screensaver_show_message")
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end
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if G_reader_settings:hasNot("screensaver_type") then
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G_reader_settings:saveSetting("screensaver_type", "disable")
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G_reader_settings:makeTrue("screensaver_show_message")
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end
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if G_reader_settings:hasNot("screensaver_img_background") then
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G_reader_settings:saveSetting("screensaver_img_background", "black")
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end
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if G_reader_settings:hasNot("screensaver_msg_background") then
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G_reader_settings:saveSetting("screensaver_msg_background", "none")
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end
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if G_reader_settings:hasNot("screensaver_message_position") then
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G_reader_settings:saveSetting("screensaver_message_position", "middle")
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end
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if G_reader_settings:hasNot("screensaver_stretch_images") then
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G_reader_settings:makeFalse("screensaver_stretch_images")
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end
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if G_reader_settings:hasNot("screensaver_delay") then
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G_reader_settings:saveSetting("screensaver_delay", "disable")
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end
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if G_reader_settings:hasNot("screensaver_hide_fallback_msg") then
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G_reader_settings:makeFalse("screensaver_hide_fallback_msg")
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end
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local Screensaver = {
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screensaver_provider = {
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gif = true,
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jpg = true,
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jpeg = true,
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png = true,
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svg = true,
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tif = true,
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tiff = true,
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webp = true,
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},
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default_screensaver_message = _("Sleeping"),
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-- State values
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show_message = nil,
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screensaver_type = nil,
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prefix = nil,
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event_message = nil,
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overlay_message = nil,
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screensaver_background = nil,
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image = nil,
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image_file = nil,
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delayed_close = nil,
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screensaver_widget = nil,
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}
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-- Remind emulator users that Power is bound to F2
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if Device:isEmulator() then
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Screensaver.default_screensaver_message = Screensaver.default_screensaver_message .. "\n" .. _("(Press F2 to resume)")
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end
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function Screensaver:_getRandomImage(dir)
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if not dir then
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return nil
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end
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if string.sub(dir, string.len(dir)) ~= "/" then
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dir = dir .. "/"
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end
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local pics = {}
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local i = 0
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math.randomseed(os.time())
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local ok, iter, dir_obj = pcall(lfs.dir, dir)
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if ok then
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for f in iter, dir_obj do
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-- Always ignore macOS resource forks, too.
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if lfs.attributes(dir .. f, "mode") == "file" and not util.stringStartsWith(f, "._") then
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local extension = string.lower(string.match(f, ".+%.([^.]+)") or "")
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if self.screensaver_provider[extension] then
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i = i + 1
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pics[i] = f
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end
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end
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end
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if i == 0 then
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return nil
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end
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else
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return nil
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end
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return dir .. pics[math.random(i)]
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end
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-- This is implemented by the Statistics plugin
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function Screensaver:getAvgTimePerPage()
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return
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end
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function Screensaver:_calcAverageTimeForPages(pages)
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local sec = _("N/A")
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local average_time_per_page = self:getAvgTimePerPage()
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-- Compare average_time_per_page against itself to make sure it's not nan
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if average_time_per_page and average_time_per_page == average_time_per_page and pages then
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local user_duration_format = G_reader_settings:readSetting("duration_format", "classic")
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sec = util.secondsToClockDuration(user_duration_format, pages * average_time_per_page, true)
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end
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return sec
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end
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function Screensaver:expandSpecial(message, fallback)
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-- Expand special character sequences in given message.
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-- %p percentage read
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-- %c current page
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-- %t total pages
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-- %T document title
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-- %A document authors
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-- %S document series
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-- %h time left in chapter
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-- %H time left in document
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if G_reader_settings:hasNot("lastfile") then
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return fallback
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end
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local ret = message
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local lastfile = G_reader_settings:readSetting("lastfile")
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local totalpages = 0
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local percent = 0
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local currentpage = 0
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local title = _("N/A")
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local authors = _("N/A")
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local series = _("N/A")
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local time_left_chapter = _("N/A")
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local time_left_document = _("N/A")
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local ReaderUI = require("apps/reader/readerui")
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local ui = ReaderUI:_getRunningInstance()
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if ui and ui.document then
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-- If we have a ReaderUI instance, use it.
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local doc = ui.document
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currentpage = ui.view.state.page or currentpage
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totalpages = doc:getPageCount() or totalpages
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percent = Math.round((currentpage * 100) / totalpages)
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local props = doc:getProps()
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if props then
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title = props.title and props.title ~= "" and props.title or title
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authors = props.authors and props.authors ~= "" and props.authors or authors
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series = props.series and props.series ~= "" and props.series or series
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end
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time_left_chapter = self:_calcAverageTimeForPages(ui.toc:getChapterPagesLeft(currentpage) or doc:getTotalPagesLeft(currentpage))
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time_left_document = self:_calcAverageTimeForPages(doc:getTotalPagesLeft(currentpage))
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elseif DocSettings:hasSidecarFile(lastfile) then
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-- If there's no ReaderUI instance, but the file has sidecar data, use that
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local docinfo = DocSettings:open(lastfile)
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totalpages = docinfo.data.doc_pages or totalpages
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percent = docinfo.data.percent_finished or percent
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currentpage = Math.round(percent * totalpages)
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percent = Math.round(percent * 100)
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if docinfo.data.doc_props then
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title = docinfo.data.doc_props.title and docinfo.data.doc_props.title ~= "" and docinfo.data.doc_props.title or title
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authors = docinfo.data.doc_props.authors and docinfo.data.doc_props.authors ~= "" and docinfo.data.doc_props.authors or authors
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series = docinfo.data.doc_props.series and docinfo.data.doc_props.series ~= "" and docinfo.data.doc_props.series or series
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end
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-- Unable to set time_left_chapter and time_left_document without ReaderUI, so leave N/A
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end
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local replace = {
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["%c"] = currentpage,
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["%t"] = totalpages,
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["%p"] = percent,
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["%T"] = title,
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["%A"] = authors,
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["%S"] = series,
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["%h"] = time_left_chapter,
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["%H"] = time_left_document,
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}
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ret = ret:gsub("(%%%a)", replace)
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return ret
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end
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local function addOverlayMessage(widget, widget_height, text)
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local FrameContainer = require("ui/widget/container/framecontainer")
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local RightContainer = require("ui/widget/container/rightcontainer")
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local Size = require("ui/size")
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local TextWidget = require("ui/widget/textwidget")
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local face = Font:getFace("infofont")
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local screen_w, screen_h = Screen:getWidth(), Screen:getHeight()
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local textw = TextWidget:new{
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text = text,
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face = face,
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}
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-- Don't make our message reach full screen width
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if textw:getWidth() > screen_w * 0.9 then
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-- Text too wide: use TextBoxWidget for multi lines display
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textw = TextBoxWidget:new{
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text = text,
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face = face,
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width = math.floor(screen_w * 0.9)
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}
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end
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textw = FrameContainer:new{
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background = Blitbuffer.COLOR_WHITE,
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bordersize = Size.border.default,
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margin = 0,
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textw,
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}
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-- If our host widget is already at the top, we'll position ourselves below it.
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if widget_height then
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textw = VerticalGroup:new{
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VerticalSpan:new{
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width = widget_height,
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},
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textw,
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}
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end
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textw = RightContainer:new{
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dimen = {
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w = screen_w,
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h = textw:getSize().h,
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},
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textw,
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}
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widget = OverlapGroup:new{
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dimen = {
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h = screen_w,
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w = screen_h,
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},
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widget,
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textw,
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}
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return widget
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end
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function Screensaver:chooseFolder()
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local buttons = {}
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local choose_dialog
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table.insert(buttons, {
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{
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text = _("Choose screensaver folder"),
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callback = function()
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UIManager:close(choose_dialog)
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require("ui/downloadmgr"):new{
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onConfirm = function(path)
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logger.dbg("set screensaver directory to", path)
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G_reader_settings:saveSetting("screensaver_dir", path)
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UIManager:show(InfoMessage:new{
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text = T(_("Screensaver folder set to:\n%1"), BD.dirpath(path)),
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timeout = 3,
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})
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end,
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}:chooseDir()
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end,
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}
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})
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table.insert(buttons, {
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{
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text = _("Close"),
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callback = function()
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UIManager:close(choose_dialog)
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end,
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}
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})
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local screensaver_dir = G_reader_settings:readSetting("screensaver_dir")
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or _("N/A")
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choose_dialog = ButtonDialogTitle:new{
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title = T(_("Current screensaver image folder:\n%1"), BD.dirpath(screensaver_dir)),
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buttons = buttons
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}
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UIManager:show(choose_dialog)
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end
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function Screensaver:chooseFile(document_cover)
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local text = document_cover and _("Choose document cover") or _("Choose screensaver image")
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local buttons = {}
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local choose_dialog
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table.insert(buttons, {
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{
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text = text,
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callback = function()
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UIManager:close(choose_dialog)
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local PathChooser = require("ui/widget/pathchooser")
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local path_chooser = PathChooser:new{
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select_directory = false,
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file_filter = function(filename)
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local suffix = util.getFileNameSuffix(filename)
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if document_cover and DocumentRegistry:hasProvider(filename) then
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return true
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elseif self.screensaver_provider[suffix] then
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return true
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end
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end,
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path = self.root_path,
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onConfirm = function(file_path)
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if document_cover then
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G_reader_settings:saveSetting("screensaver_document_cover", file_path)
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UIManager:show(InfoMessage:new{
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text = T(_("Screensaver document cover set to:\n%1"), BD.filepath(file_path)),
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timeout = 3,
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})
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else
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G_reader_settings:saveSetting("screensaver_image", file_path)
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UIManager:show(InfoMessage:new{
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text = T(_("Screensaver image set to:\n%1"), BD.filepath(file_path)),
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timeout = 3,
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})
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end
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end
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}
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UIManager:show(path_chooser)
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end,
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}
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})
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table.insert(buttons, {
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{
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text = _("Close"),
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callback = function()
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UIManager:close(choose_dialog)
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end,
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}
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})
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local screensaver_image = G_reader_settings:readSetting("screensaver_image")
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or _("N/A")
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local screensaver_document_cover = G_reader_settings:readSetting("screensaver_document_cover")
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or _("N/A")
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local title = document_cover and T(_("Current screensaver document cover:\n%1"), BD.filepath(screensaver_document_cover))
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or T(_("Current screensaver image:\n%1"), BD.filepath(screensaver_image))
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choose_dialog = ButtonDialogTitle:new{
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title = title,
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buttons = buttons
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}
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UIManager:show(choose_dialog)
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end
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function Screensaver:isExcluded()
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local ReaderUI = require("apps/reader/readerui")
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local ui = ReaderUI:_getRunningInstance()
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if ui and ui.doc_settings then
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local doc_settings = ui.doc_settings
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return doc_settings:isTrue("exclude_screensaver")
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else
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if G_reader_settings:hasNot("lastfile") then
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return false
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end
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local lastfile = G_reader_settings:readSetting("lastfile")
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if DocSettings:hasSidecarFile(lastfile) then
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local doc_settings = DocSettings:open(lastfile)
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return doc_settings:isTrue("exclude_screensaver")
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else
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-- No DocSetting, not excluded
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return false
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end
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end
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end
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function Screensaver:setMessage()
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local InputDialog = require("ui/widget/inputdialog")
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local screensaver_message = G_reader_settings:readSetting("screensaver_message")
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or self.default_screensaver_message
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local input_dialog
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input_dialog = InputDialog:new{
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title = "Screensaver message",
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description = _("Enter the message to be displayed by the screensaver. The following escape sequences can be used:\n %p percentage read\n %c current page number\n %t total number of pages\n %T title\n %A authors\n %S series\n %h time left in chapter\n %H time left in document"),
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input = screensaver_message,
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buttons = {
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{
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{
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text = _("Cancel"),
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id = "close",
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callback = function()
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UIManager:close(input_dialog)
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end,
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},
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{
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text = _("Set message"),
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is_enter_default = true,
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callback = function()
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G_reader_settings:saveSetting("screensaver_message", input_dialog:getInputText())
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UIManager:close(input_dialog)
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end,
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},
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},
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},
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}
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UIManager:show(input_dialog)
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input_dialog:onShowKeyboard()
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end
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function Screensaver:setStretchLimit(touchmenu_instance)
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UIManager:show(SpinWidget:new{
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value = G_reader_settings:readSetting("screensaver_stretch_limit_percentage", 8),
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value_min = 0,
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value_max = 25,
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default_value = 8,
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unit = "%",
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title_text = _("Set maximum stretch limit"),
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ok_text = _("Set"),
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ok_always_enabled = true,
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callback = function(spin)
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G_reader_settings:saveSetting("screensaver_stretch_limit_percentage", spin.value)
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G_reader_settings:makeTrue("screensaver_stretch_images")
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if touchmenu_instance then touchmenu_instance:updateItems() end
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end,
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extra_text = _("Disable stretch"),
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extra_callback = function()
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G_reader_settings:makeFalse("screensaver_stretch_images")
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if touchmenu_instance then touchmenu_instance:updateItems() end
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end,
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option_text = _("Full stretch"),
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option_callback = function()
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G_reader_settings:makeTrue("screensaver_stretch_images")
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G_reader_settings:delSetting("screensaver_stretch_limit_percentage")
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if touchmenu_instance then touchmenu_instance:updateItems() end
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end,
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})
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end
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-- When called after setup(), may not match the saved settings, because it accounts for fallbacks that might have kicked in.
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function Screensaver:getMode()
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return self.screensaver_type
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end
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function Screensaver:modeExpectsPortrait()
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return self.screensaver_type ~= "message"
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and self.screensaver_type ~= "disable"
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and self.screensaver_type ~= "readingprogress"
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and self.screensaver_type ~= "bookstatus"
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end
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function Screensaver:modeIsImage()
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return self.screensaver_type == "cover"
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or self.screensaver_type == "random_image"
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or self.screensaver_type == "image_file"
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end
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function Screensaver:withBackground()
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return self.screensaver_background ~= "none"
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end
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function Screensaver:setup(event, event_message)
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self.show_message = G_reader_settings:isTrue("screensaver_show_message")
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self.screensaver_type = G_reader_settings:readSetting("screensaver_type")
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local screensaver_img_background = G_reader_settings:readSetting("screensaver_img_background")
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local screensaver_msg_background = G_reader_settings:readSetting("screensaver_msg_background")
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-- These 2 (optional) parameters are to support poweroff and reboot actions on Kobo (c.f., UIManager)
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self.prefix = event and event .. "_" or "" -- "", "poweroff_" or "reboot_"
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self.event_message = event_message
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if G_reader_settings:has(self.prefix .. "screensaver_type") then
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self.screensaver_type = G_reader_settings:readSetting(self.prefix .. "screensaver_type")
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else
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if event and G_reader_settings:isFalse("screensaver_hide_fallback_msg") then
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-- Display the provided event_message over the screensaver,
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-- so the user can distinguish between suspend (no overlay),
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-- and reboot/poweroff (overlaid message).
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self.overlay_message = self.event_message
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end
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end
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-- Check lastfile and setup the requested mode's resources, or a fallback mode if the required resources are unavailable.
|
|
local ReaderUI = require("apps/reader/readerui")
|
|
local ui = ReaderUI:_getRunningInstance()
|
|
local lastfile = G_reader_settings:readSetting("lastfile")
|
|
if self.screensaver_type == "document_cover" then
|
|
-- Set lastfile to the document of which we want to show the cover.
|
|
lastfile = G_reader_settings:readSetting("screensaver_document_cover")
|
|
self.screensaver_type = "cover"
|
|
end
|
|
if self.screensaver_type == "cover" then
|
|
lastfile = lastfile ~= nil and lastfile or G_reader_settings:readSetting("lastfile")
|
|
local excluded
|
|
if DocSettings:hasSidecarFile(lastfile) then
|
|
local doc_settings
|
|
if ui and ui.doc_settings then
|
|
doc_settings = ui.doc_settings
|
|
else
|
|
doc_settings = DocSettings:open(lastfile)
|
|
end
|
|
excluded = doc_settings:isTrue("exclude_screensaver")
|
|
else
|
|
-- No DocSetting, not excluded
|
|
excluded = false
|
|
end
|
|
if not excluded then
|
|
if lastfile and lfs.attributes(lastfile, "mode") == "file" then
|
|
if ui and ui.document then
|
|
local doc = ui.document
|
|
self.image = doc:getCoverPageImage()
|
|
else
|
|
local doc = DocumentRegistry:openDocument(lastfile)
|
|
if doc.loadDocument then -- CreDocument
|
|
doc:loadDocument(false) -- load only metadata
|
|
end
|
|
self.image = doc:getCoverPageImage()
|
|
doc:close()
|
|
end
|
|
if self.image == nil then
|
|
self.screensaver_type = "random_image"
|
|
end
|
|
else
|
|
self.screensaver_type = "random_image"
|
|
end
|
|
else
|
|
-- Fallback to random images if this book cover is excluded
|
|
self.screensaver_type = "random_image"
|
|
end
|
|
end
|
|
if self.screensaver_type == "bookstatus" then
|
|
if lastfile and lfs.attributes(lastfile, "mode") == "file" then
|
|
if not ui then
|
|
self.screensaver_type = "disable"
|
|
self.show_message = true
|
|
end
|
|
else
|
|
self.screensaver_type = "disable"
|
|
self.show_message = true
|
|
end
|
|
end
|
|
if self.screensaver_type == "random_image" then
|
|
local screensaver_dir = G_reader_settings:readSetting(self.prefix .. "screensaver_dir")
|
|
or G_reader_settings:readSetting("screensaver_dir")
|
|
self.image_file = self:_getRandomImage(screensaver_dir)
|
|
if self.image_file == nil then
|
|
self.screensaver_type = "disable"
|
|
self.show_message = true
|
|
end
|
|
end
|
|
if self.screensaver_type == "image_file" then
|
|
self.image_file = G_reader_settings:readSetting(self.prefix .. "screensaver_image")
|
|
or G_reader_settings:readSetting("screensaver_image")
|
|
if self.image_file == nil or lfs.attributes(self.image_file, "mode") ~= "file" then
|
|
self.screensaver_type = "disable"
|
|
self.show_message = true
|
|
end
|
|
end
|
|
if self.screensaver_type == "readingprogress" then
|
|
-- This is implemented by the Statistics plugin
|
|
if Screensaver.getReaderProgress == nil then
|
|
self.screensaver_type = "disable"
|
|
self.show_message = true
|
|
end
|
|
end
|
|
|
|
-- Use the right background setting depending on the effective mode, now that fallbacks have kicked in.
|
|
if self:modeIsImage() then
|
|
self.screensaver_background = screensaver_img_background
|
|
else
|
|
self.screensaver_background = screensaver_msg_background
|
|
end
|
|
end
|
|
|
|
function Screensaver:show()
|
|
if self.screensaver_widget then
|
|
UIManager:close(self.screensaver_widget)
|
|
self.screensaver_widget = nil
|
|
end
|
|
|
|
-- In as-is mode with no message and no overlay, we've got nothing to show :)
|
|
if self.screensaver_type == "disable" and not self.show_message and not self.overlay_message then
|
|
return
|
|
end
|
|
|
|
-- We mostly always suspend in Portrait/Inverted Portrait mode...
|
|
-- ... except when we just show an InfoMessage or when the screensaver
|
|
-- is disabled, as it plays badly with Landscape mode (c.f., #4098 and #5290).
|
|
-- We also exclude full-screen widgets that work fine in Landscape mode,
|
|
-- like ReadingProgress and BookStatus (c.f., #5724)
|
|
if self:modeExpectsPortrait() then
|
|
Device.orig_rotation_mode = Screen:getRotationMode()
|
|
-- Leave Portrait & Inverted Portrait alone, that works just fine.
|
|
if bit.band(Device.orig_rotation_mode, 1) == 1 then
|
|
-- i.e., only switch to Portrait if we're currently in *any* Landscape orientation (odd number)
|
|
Screen:setRotationMode(Screen.ORIENTATION_PORTRAIT)
|
|
else
|
|
Device.orig_rotation_mode = nil
|
|
end
|
|
|
|
-- On eInk, if we're using a screensaver mode that shows an image,
|
|
-- flash the screen to white first, to eliminate ghosting.
|
|
if Device:hasEinkScreen() and self:modeIsImage() then
|
|
if self:withBackground() then
|
|
Screen:clear()
|
|
end
|
|
Screen:refreshFull()
|
|
|
|
-- On Kobo, on sunxi SoCs with a recent kernel, wait a tiny bit more to avoid weird refresh glitches...
|
|
if Device:isKobo() and Device:isSunxi() then
|
|
ffiUtil.usleep(150 * 1000)
|
|
end
|
|
end
|
|
else
|
|
-- nil it, in case user switched ScreenSaver modes during our lifetime.
|
|
Device.orig_rotation_mode = nil
|
|
end
|
|
|
|
-- Build the main widget for the effective mode, all the sanity checks were handled in setup
|
|
local widget = nil
|
|
if self.screensaver_type == "cover" then
|
|
widget = ImageWidget:new{
|
|
image = self.image,
|
|
image_disposable = true,
|
|
width = Screen:getWidth(),
|
|
height = Screen:getHeight(),
|
|
scale_factor = G_reader_settings:isFalse("screensaver_stretch_images") and 0 or nil,
|
|
stretch_limit_percentage = G_reader_settings:readSetting("screensaver_stretch_limit_percentage"),
|
|
}
|
|
elseif self.screensaver_type == "bookstatus" then
|
|
local ReaderUI = require("apps/reader/readerui")
|
|
local ui = ReaderUI:_getRunningInstance()
|
|
local doc = ui.document
|
|
local doc_settings = ui.doc_settings
|
|
widget = BookStatusWidget:new{
|
|
thumbnail = doc:getCoverPageImage(),
|
|
props = doc:getProps(),
|
|
document = doc,
|
|
settings = doc_settings,
|
|
ui = ui,
|
|
readonly = true,
|
|
}
|
|
elseif self.screensaver_type == "random_image" or self.screensaver_type == "image_file" then
|
|
widget = ImageWidget:new{
|
|
file = self.image_file,
|
|
file_do_cache = false,
|
|
alpha = true,
|
|
width = Screen:getWidth(),
|
|
height = Screen:getHeight(),
|
|
scale_factor = G_reader_settings:isFalse("screensaver_stretch_images") and 0 or nil,
|
|
stretch_limit_percentage = G_reader_settings:readSetting("screensaver_stretch_limit_percentage"),
|
|
}
|
|
elseif self.screensaver_type == "readingprogress" then
|
|
widget = Screensaver.getReaderProgress()
|
|
end
|
|
|
|
-- Assume that we'll be covering the full-screen by default (either because of a widget, or a background fill).
|
|
local covers_fullscreen = true
|
|
-- Speaking of, set that background fill up...
|
|
local background
|
|
if self.screensaver_background == "black" then
|
|
background = Blitbuffer.COLOR_BLACK
|
|
elseif self.screensaver_background == "white" then
|
|
background = Blitbuffer.COLOR_WHITE
|
|
elseif self.screensaver_background == "none" then
|
|
background = nil
|
|
end
|
|
|
|
local message_height
|
|
if self.show_message then
|
|
-- Handle user settings & fallbacks, with that prefix mess on top...
|
|
local screensaver_message
|
|
if G_reader_settings:has(self.prefix .. "screensaver_message") then
|
|
screensaver_message = G_reader_settings:readSetting(self.prefix .. "screensaver_message")
|
|
else
|
|
if G_reader_settings:has("screensaver_message") then
|
|
screensaver_message = G_reader_settings:readSetting("screensaver_message")
|
|
else
|
|
-- In the absence of a custom message, use the event message if any, barring that, use the default message.
|
|
if self.event_message then
|
|
screensaver_message = self.event_message
|
|
-- The overlay is only ever populated with the event message, and we only want to show it once ;).
|
|
self.overlay_message = nil
|
|
else
|
|
screensaver_message = self.default_screensaver_message
|
|
end
|
|
end
|
|
end
|
|
-- NOTE: Only attempt to expand if there are special characters in the message.
|
|
if screensaver_message:find("%%") then
|
|
screensaver_message = self:expandSpecial(screensaver_message, self.event_message or self.default_screensaver_message)
|
|
end
|
|
|
|
local message_pos
|
|
if G_reader_settings:has(self.prefix .. "screensaver_message_position") then
|
|
message_pos = G_reader_settings:readSetting(self.prefix .. "screensaver_message_position")
|
|
else
|
|
message_pos = G_reader_settings:readSetting("screensaver_message_position")
|
|
end
|
|
|
|
-- The only case where we *won't* cover the full-screen is when we only display a message and no background.
|
|
if widget == nil and self.screensaver_background == "none" then
|
|
covers_fullscreen = false
|
|
end
|
|
|
|
local message_widget
|
|
if message_pos == "middle" then
|
|
message_widget = InfoMessage:new{
|
|
text = screensaver_message,
|
|
readonly = true,
|
|
dismissable = false,
|
|
}
|
|
else
|
|
local face = Font:getFace("infofont")
|
|
local container
|
|
if message_pos == "bottom" then
|
|
container = BottomContainer
|
|
else
|
|
container = TopContainer
|
|
end
|
|
|
|
local screen_w, screen_h = Screen:getWidth(), Screen:getHeight()
|
|
message_widget = container:new{
|
|
dimen = Geom:new{
|
|
w = screen_w,
|
|
h = screen_h,
|
|
},
|
|
TextBoxWidget:new{
|
|
text = screensaver_message,
|
|
face = face,
|
|
width = screen_w,
|
|
alignment = "center",
|
|
}
|
|
}
|
|
|
|
-- Forward the height of the top message to the overlay widget
|
|
if message_pos == "top" then
|
|
message_height = message_widget[1]:getSize().h
|
|
end
|
|
end
|
|
|
|
-- Check if message_widget should be overlaid on another widget
|
|
if message_widget then
|
|
if widget then -- We have a Screensaver widget
|
|
-- Show message_widget on top of previously created widget
|
|
widget = OverlapGroup:new{
|
|
dimen = {
|
|
w = Screen:getWidth(),
|
|
h = Screen:getHeight(),
|
|
},
|
|
widget,
|
|
message_widget,
|
|
}
|
|
else
|
|
-- No prevously created widget, so just show message widget
|
|
widget = message_widget
|
|
end
|
|
end
|
|
end
|
|
|
|
if self.overlay_message then
|
|
widget = addOverlayMessage(widget, message_height, self.overlay_message)
|
|
end
|
|
|
|
if widget then
|
|
self.screensaver_widget = ScreenSaverWidget:new{
|
|
widget = widget,
|
|
background = background,
|
|
covers_fullscreen = covers_fullscreen,
|
|
}
|
|
self.screensaver_widget.modal = true
|
|
self.screensaver_widget.dithered = true
|
|
|
|
-- NOTE: ScreenSaver itself is not a widget, so make sure we cleanup behind us...
|
|
self.screensaver_widget.onCloseWidget = function(this)
|
|
-- this is self.screensaver_widget (i.e., an object instantiated from ScreenSaverWidget)
|
|
local super = getmetatable(this)
|
|
-- super is the class object of self.screensaver_widget (i.e., ScreenSaverWidget)
|
|
if super.onCloseWidget then
|
|
super.onCloseWidget(this)
|
|
end
|
|
-- self is ScreenSaver (upvalue)
|
|
self:cleanup()
|
|
end
|
|
|
|
UIManager:show(self.screensaver_widget, "full")
|
|
end
|
|
end
|
|
|
|
function Screensaver:close_widget()
|
|
if self.screensaver_widget then
|
|
UIManager:close(self.screensaver_widget)
|
|
end
|
|
end
|
|
|
|
function Screensaver:close()
|
|
if self.screensaver_widget == nil then
|
|
return
|
|
end
|
|
|
|
local screensaver_delay = G_reader_settings:readSetting("screensaver_delay")
|
|
local screensaver_delay_number = tonumber(screensaver_delay)
|
|
if screensaver_delay_number then
|
|
UIManager:scheduleIn(screensaver_delay_number, self.close_widget, self)
|
|
self.delayed_close = true
|
|
elseif screensaver_delay == "disable" then
|
|
self:close_widget()
|
|
-- NOTE: Notify platforms that race with the native system (e.g., Kindle or needsScreenRefreshAfterResume)
|
|
-- that we've actually closed the widget *right now*.
|
|
return true
|
|
elseif screensaver_delay == "gesture" then
|
|
if self.screensaver_widget then
|
|
self.screensaver_widget:showWaitForGestureMessage()
|
|
end
|
|
else
|
|
logger.dbg("tap to exit from screensaver")
|
|
end
|
|
end
|
|
|
|
function Screensaver:cleanup()
|
|
self.show_message = nil
|
|
self.screensaver_type = nil
|
|
self.prefix = nil
|
|
self.event_message = nil
|
|
self.overlay_message = nil
|
|
self.screensaver_background = nil
|
|
|
|
self.image = nil
|
|
self.image_file = nil
|
|
|
|
self.delayed_close = nil
|
|
self.screensaver_widget = nil
|
|
end
|
|
|
|
return Screensaver
|