Initial light control widget; final fixes for kobo light

frontend/ui/device.lua

@@ -105,6 +105,13 @@ function Device:isTouchDevice()
 	return (self.model == "KindlePaperWhite") or (self.model == "KindleTouch") or self:isKobo() or util.isEmulated()
 end
 
+function Device:hasFrontlight()
+	if not self.model then
+		self.model = self:getModel()
+	end
+	return (self.model == "KindlePaperWhite") or (self.model == "Kobo_dragon") or (self.model == "Kobo_kraken") or (self.model == "Kobo_phoenix") or util.isEmulated()
+end
+
 function Device:setTouchInputDev(dev)
 	self.touch_dev = dev
 end

frontend/ui/reader/readerfrontlight.lua

@@ -1,7 +1,10 @@
 require "ui/widget/container"
+require "ui/widget/inputdialog"
 require "ui/device"
 
 ReaderFrontLight = InputContainer:new{
+	fldial_menu_title = ("Frontlight Settings"),
+	fl_dialog_title = ("Frontlight Level"),
 	steps = {0,1,2,3,4,5,6,7,8,9,10},
 	intensity = nil,
 	fl = nil,
@@ -31,7 +34,11 @@ function ReaderFrontLight:init()
 	end
 	if Device:isKobo() then
 		self.fl = kobolight.open()
-		self.intensity = 20
+		self.intensity = G_reader_settings:readSetting("frontlight_intensity")
+		if not self.intensity then
+			self.intensity = 20
+		end
+		self:setIntensity(self.intensity, "Set intensity")
 	end
 end
 
@@ -54,7 +61,7 @@ function ReaderFrontLight:onAdjust(arg, ges)
 end
 
 function ReaderFrontLight:setIntensity(intensity, msg)
-	if self.lipc_handle then 
+	if self.lipc_handle then
 		intensity = intensity < 0 and 0 or intensity
 		intensity = intensity > 24 and 24 or intensity
 		self.intensity = intensity
@@ -65,6 +72,8 @@ function ReaderFrontLight:setIntensity(intensity, msg)
 		})
 	end
 	if Device:isKobo() then
+		intensity = intensity < 1 and 1 or intensity
+		intensity = intensity > 100 and 100 or intensity
 		if self.fl == nil then
 			ReaderFrontLight:init()
 		end
@@ -87,3 +96,60 @@ function ReaderFrontLight:toggle()
 	end
 	return true
 end
+
+function ReaderFrontLight:addToMainMenu(tab_item_table)
+	-- insert fldial command to main reader menu
+	table.insert(tab_item_table.main, {
+		text = self.fldial_menu_title,
+		callback = function()
+			self:onShowFlDialog()
+		end,
+	})
+end
+
+function ReaderFrontLight:onShowFlDialog()
+	DEBUG("show fldial dialog")
+	self.fl_dialog = InputDialog:new{
+		title = self.fl_dialog_title,
+		input_hint = "(1 - 100)",
+		buttons = {
+			{
+				{
+					text = _("Apply"),
+					enabled = true,
+					callback = function()
+						self:fldialIntensity()
+					end,
+				},
+				{
+					text = _("OK"),
+					enabled = true,
+					callback = function()
+						self:fldialIntensity()
+						self:close()
+					end,
+				},
+
+			},
+		},
+		input_type = "number",
+		width = Screen:getWidth() * 0.8,
+		height = Screen:getHeight() * 0.2,
+	}
+	self.fl_dialog:onShowKeyboard()
+	UIManager:show(self.fl_dialog)
+end
+
+function ReaderFrontLight:close()
+	self.fl_dialog:onClose()
+	G_reader_settings:saveSetting("frontlight_intensity", self.intensity)
+	UIManager:close(self.fl_dialog)
+end
+
+function ReaderFrontLight:fldialIntensity()
+	local number = tonumber(self.fl_dialog:getInputText())
+	if number then
+		self:setIntensity(number, "Set intensity")
+	end
+	return true
+end

frontend/ui/reader/readermenu.lua

@@ -56,7 +56,14 @@ function ReaderMenu:setUpdateItemTable()
 	for _, widget in pairs(self.registered_widgets) do
 		widget:addToMainMenu(self.tab_item_table)
 	end
-
+	if Device:hasFrontlight() then
+		table.insert(self.tab_item_table.main, {
+			text = _("Frontlight settings"),
+			callback = function()
+				ReaderFrontLight:onShowFlDialog()
+			end
+		})
+	end
 	table.insert(self.tab_item_table.main, {
 		text = _("Help"),
 		callback = function()

frontend/ui/readerui.lua

@@ -129,14 +129,14 @@ function ReaderUI:init()
 		view = self[1],
 		ui = self
 	}
+	table.insert(self.active_widgets, reader_ss)
 	-- frontlight controller
 	local reader_fl = ReaderFrontLight:new{
 		dialog = self.dialog,
 		view = self[1],
 		ui = self
 	}
-	table.insert(self.active_widgets, reader_ss)
-	table.insert(self.active_widgets, reader_fl)
+	table.insert(self, reader_fl)
 
 	if self.document.info.has_pages then
 		-- for page specific controller

frontend/ui/widget/menu.lua

@@ -1,6 +1,7 @@
 require "ui/widget/container"
 require "ui/widget/focusmanager"
 require "ui/widget/infomessage"
+require "ui/widget/frontlight"
 require "ui/widget/button"
 require "ui/widget/text"
 require "ui/widget/group"