mirror of https://github.com/koreader/koreader
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678 lines
25 KiB
Lua
678 lines
25 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 DataStorage = require("datastorage")
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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 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 lfs = require("libs/libkoreader-lfs")
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local logger = require("logger")
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local _ = require("gettext")
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local Screen = Device.screen
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local T = require("ffi/util").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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local Screensaver = {
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screensaver_provider = {
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jpg = true,
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jpeg = true,
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png = true,
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gif = true,
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tif = true,
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tiff = true,
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},
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default_screensaver_message = _("Sleeping"),
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}
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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 entry in iter, dir_obj do
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if lfs.attributes(dir .. entry, "mode") == "file" then
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local extension = string.lower(string.match(entry, ".+%.([^.]+)") or "")
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if self.screensaver_provider[extension] then
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i = i + 1
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pics[i] = entry
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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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local function 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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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 ReaderUI = require("apps/reader/readerui")
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local ui = ReaderUI:_getRunningInstance()
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if ui 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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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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end
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ret = string.gsub(ret, "%%c", currentpage)
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ret = string.gsub(ret, "%%t", totalpages)
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ret = string.gsub(ret, "%%p", percent)
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ret = string.gsub(ret, "%%T", title)
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ret = string.gsub(ret, "%%A", authors)
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ret = string.gsub(ret, "%%S", series)
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return ret
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end
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local function addOverlayMessage(widget, 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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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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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(self.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(self.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 DataStorage:getDataDir() .. "/screenshots/"
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self.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(self.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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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(self.choose_dialog)
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local util = require("util")
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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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select_file = true,
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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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detailed_file_info = true,
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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(self.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 DataStorage:getDataDir() .. "/resources/koreader.png"
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local screensaver_document_cover = G_reader_settings:readSetting("screensaver_document_cover")
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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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self.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(self.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 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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self.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"),
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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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callback = function()
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UIManager:close(self.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", self.input_dialog:getInputText())
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UIManager:close(self.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(self.input_dialog)
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self.input_dialog:onShowKeyboard()
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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, fallback_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.fallback_message = fallback_message
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self.overlay_message = nil
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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 then
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-- Display the provided fallback_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.fallback_message
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end
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end
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-- Reset state
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self.lastfile = nil
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self.image = nil
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self.image_file = nil
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-- Check lastfile and setup the requested mode's resources, or a fallback mode if the required resources are unavailable.
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local ReaderUI = require("apps/reader/readerui")
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local ui = ReaderUI:_getRunningInstance()
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self.lastfile = G_reader_settings:readSetting("lastfile")
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if self.screensaver_type == "document_cover" then
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-- Set lastfile to the document of which we want to show the cover.
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self.lastfile = G_reader_settings:readSetting("screensaver_document_cover")
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self.screensaver_type = "cover"
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end
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if self.screensaver_type == "cover" then
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self.lastfile = self.lastfile ~= nil and self.lastfile or G_reader_settings:readSetting("lastfile")
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local excluded
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if DocSettings:hasSidecarFile(self.lastfile) then
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local doc_settings
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if ui then
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doc_settings = ui.doc_settings
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else
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doc_settings = DocSettings:open(self.lastfile)
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end
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excluded = doc_settings:isTrue("exclude_screensaver")
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else
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-- No DocSetting, not excluded
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excluded = false
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end
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if not excluded then
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if self.lastfile and lfs.attributes(self.lastfile, "mode") == "file" then
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if ui then
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local doc = ui.document
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self.image = doc:getCoverPageImage()
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else
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local doc = DocumentRegistry:openDocument(self.lastfile)
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if doc.loadDocument then -- CreDocument
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doc:loadDocument(false) -- load only metadata
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end
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self.image = doc:getCoverPageImage()
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doc:close()
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end
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if self.image == nil then
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self.screensaver_type = "random_image"
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end
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else
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self.screensaver_type = "random_image"
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end
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else
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-- Fallback to random images if this book cover is excluded
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self.screensaver_type = "random_image"
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end
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end
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if self.screensaver_type == "bookstatus" then
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if self.lastfile and lfs.attributes(self.lastfile, "mode") == "file" then
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if not ui then
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self.screensaver_type = "disable"
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self.show_message = true
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end
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else
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self.screensaver_type = "disable"
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self.show_message = true
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end
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end
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if self.screensaver_type == "random_image" then
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local screensaver_dir = G_reader_settings:readSetting(self.prefix .. "screensaver_dir")
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or G_reader_settings:readSetting("screensaver_dir")
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self.image_file = self:_getRandomImage(screensaver_dir)
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if self.image_file == nil then
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self.screensaver_type = "disable"
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self.show_message = true
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end
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end
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if self.screensaver_type == "image_file" then
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self.image_file = G_reader_settings:readSetting(self.prefix .. "screensaver_image")
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or G_reader_settings:readSetting("screensaver_image")
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if self.image_file == nil or lfs.attributes(self.image_file, "mode") ~= "file" then
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self.screensaver_type = "disable"
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self.show_message = true
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end
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end
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if self.screensaver_type == "readingprogress" then
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-- This is implemented by the Statistics plugin
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if Screensaver.getReaderProgress == nil then
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self.screensaver_type = "disable"
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self.show_message = true
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end
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end
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-- Use the right background setting depending on the effective mode, now that fallbacks have kicked in.
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if self:modeIsImage() then
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self.screensaver_background = screensaver_img_background
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else
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self.screensaver_background = screensaver_msg_background
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end
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end
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function Screensaver:show()
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if self.screensaver_widget then
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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
|
|
|
|
-- 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,
|
|
height = Screen:getHeight(),
|
|
width = Screen:getWidth(),
|
|
scale_factor = G_reader_settings:isFalse("screensaver_stretch_images") and 0 or nil,
|
|
}
|
|
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,
|
|
view = ui.view,
|
|
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,
|
|
height = Screen:getHeight(),
|
|
width = Screen:getWidth(),
|
|
scale_factor = G_reader_settings:isFalse("screensaver_stretch_images") and 0 or nil,
|
|
}
|
|
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
|
|
|
|
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
|
|
-- We prefer the global user setting to the event's fallback message.
|
|
screensaver_message = G_reader_settings:readSetting("screensaver_message")
|
|
else
|
|
screensaver_message = self.fallback_message or self.default_screensaver_message
|
|
end
|
|
end
|
|
-- NOTE: Only attempt to expand if there are special characters in the message.
|
|
if screensaver_message:find("%%") then
|
|
screensaver_message = expandSpecial(screensaver_message, self.fallback_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,
|
|
}
|
|
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",
|
|
}
|
|
}
|
|
end
|
|
|
|
-- No overlay needed as we just displayed *a* message (not necessarily the event's, though).
|
|
self.overlay_message = nil
|
|
|
|
-- 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
|
|
local screen_w, screen_h = Screen:getWidth(), Screen:getHeight()
|
|
widget = OverlapGroup:new{
|
|
dimen = {
|
|
h = screen_w,
|
|
w = screen_h,
|
|
},
|
|
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, 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
|
|
UIManager:show(self.screensaver_widget, "full")
|
|
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, function()
|
|
logger.dbg("close screensaver")
|
|
if self.screensaver_widget then
|
|
UIManager:close(self.screensaver_widget, "full")
|
|
self.screensaver_widget = nil
|
|
end
|
|
end)
|
|
elseif screensaver_delay == "disable" then
|
|
logger.dbg("close screensaver")
|
|
if self.screensaver_widget then
|
|
UIManager:close(self.screensaver_widget, "full")
|
|
self.screensaver_widget = nil
|
|
end
|
|
else
|
|
logger.dbg("tap to exit from screensaver")
|
|
end
|
|
end
|
|
|
|
return Screensaver
|