add auto save settings option

defaults.lua

@@ -83,6 +83,9 @@ DCREREADER_CONFIG_FONT_SIZES = {16, 20, 22, 24, 28, 32, 38, 44}  -- range from 1
 -- gesture detector defaults
 DGESDETECT_DISABLE_DOUBLE_TAP = true
 
+-- change this to any numerical value if you want to antomatically save settings when turning pages
+DAUTO_SAVE_PAGING_COUNT = nil
+
 -- ####################################################################
 -- following features are not supported right now
 -- ####################################################################

frontend/ui/reader/readerbookmark.lua

@@ -29,7 +29,7 @@ function ReaderBookmark:onReadSettings(config)
 	self.bookmarks = config:readSetting("bookmarks") or {}
 end
 
-function ReaderBookmark:onCloseDocument()
+function ReaderBookmark:onSaveSettings()
 	self.ui.doc_settings:saveSetting("bookmarks", self.bookmarks)
 end
 

frontend/ui/reader/readerconfig.lua

@@ -87,7 +87,7 @@ function ReaderConfig:onReadSettings(config)
 	self.last_panel_index = config:readSetting("config_panel_index") or 1
 end
 
-function ReaderConfig:onCloseDocument()
+function ReaderConfig:onSaveSettings()
 	self.configurable:saveSettings(self.ui.doc_settings, self.options.prefix.."_")
 	self.ui.doc_settings:saveSetting("config_panel_index", self.last_panel_index)
 end

frontend/ui/reader/readercropping.lua

@@ -156,7 +156,7 @@ function ReaderCropping:onReadSettings(config)
 	self.document.bbox = config:readSetting("bbox")
 end
 
-function ReaderCropping:onCloseDocument()
+function ReaderCropping:onSaveSettings()
 	self.ui.doc_settings:saveSetting("bbox", self.document.bbox)
 end
 

frontend/ui/reader/readerdictionary.lua

@@ -70,7 +70,7 @@ function ReaderDictionary:onReadSettings(config)
 	self.default_dictionary = config:readSetting("default_dictionary")
 end
 
-function ReaderDictionary:onCloseDocument()
+function ReaderDictionary:onSaveSettings()
 	self.ui.doc_settings:saveSetting("default_dictionary", self.default_dictionary)
 end
 

frontend/ui/reader/readerfont.lua

@@ -213,7 +213,7 @@ function ReaderFont:onChangeFontGamma(direction)
 	return true
 end
 
-function ReaderFont:onCloseDocument()
+function ReaderFont:onSaveSettings()
 	self.ui.doc_settings:saveSetting("font_face", self.font_face)
 	self.ui.doc_settings:saveSetting("header_font_face", self.header_font_face)
 	self.ui.doc_settings:saveSetting("font_size", self.font_size)

frontend/ui/reader/readerkoptlistener.lua

@@ -18,7 +18,7 @@ function ReaderKoptListener:onReadSettings(config)
 	self:setZoomMode(self.normal_zoom_mode)
 end
 
-function ReaderKoptListener:onCloseDocument()
+function ReaderKoptListener:onSaveSettings()
 	self.ui.doc_settings:saveSetting("normal_zoom_mode", self.normal_zoom_mode)
 end
 

frontend/ui/reader/readermenu.lua

@@ -137,7 +137,7 @@ function ReaderMenu:onSetDimensions(dimen)
 	end
 end
 
-function ReaderMenu:onCloseDocument()
+function ReaderMenu:onSaveSettings()
 end
 
 function ReaderMenu:registerToMainMenu(widget)

frontend/ui/reader/readerpaging.lua

@@ -133,7 +133,7 @@ function ReaderPaging:onReadSettings(config)
 	end
 end
 
-function ReaderPaging:onCloseDocument()
+function ReaderPaging:onSaveSettings()
 	self.ui.doc_settings:saveSetting("page_positions", self.page_positions)
 	self.ui.doc_settings:saveSetting("last_page", self:getTopPage())
 	self.ui.doc_settings:saveSetting("percent_finished", self.current_page/self.number_of_pages)

frontend/ui/reader/readerrolling.lua

@@ -155,7 +155,7 @@ function ReaderRolling:onReadSettings(config)
 	end
 end
 
-function ReaderRolling:onCloseDocument()
+function ReaderRolling:onSaveSettings()
 	-- remove last_percent config since its deprecated
 	self.ui.doc_settings:saveSetting("last_percent", nil)
 	self.ui.doc_settings:saveSetting("last_xpointer", self.ui.document:getXPointer())

frontend/ui/reader/readertypeset.lua

@@ -33,7 +33,7 @@ function ReaderTypeset:onReadSettings(config)
 	end
 end
 
-function ReaderTypeset:onCloseDocument()
+function ReaderTypeset:onSaveSettings()
 	self.ui.doc_settings:saveSetting("css", self.css)
 	self.ui.doc_settings:saveSetting("embedded_css", self.embedded_css)
 end

frontend/ui/reader/readerview.lua

@@ -59,6 +59,9 @@ local ReaderView = OverlapGroup:new{
 	dogear_visible = false,
 	-- in flipping state
 	flipping_visible = false,
+	
+	-- auto save settings after turning pages
+	auto_save_paging_count = 0,	
 }
 
 function ReaderView:init()
@@ -516,11 +519,13 @@ end
 function ReaderView:onPageUpdate(new_page_no)
 	self.state.page = new_page_no
 	self:recalculate()
+	self:autoSaveSettings()
 end
 
 function ReaderView:onPosUpdate(new_pos)
 	self.state.pos = new_pos
 	self:recalculate()
+	self:autoSaveSettings()
 end
 
 function ReaderView:onZoomUpdate(zoom)
@@ -577,7 +582,7 @@ function ReaderView:onSetPageMargins(margins)
 	return true
 end
 
-function ReaderView:onCloseDocument()
+function ReaderView:onSaveSettings()
 	self.ui.doc_settings:saveSetting("render_mode", self.render_mode)
 	self.ui.doc_settings:saveSetting("screen_mode", self.screen_mode)
 	self.ui.doc_settings:saveSetting("rotation_mode", self.cur_rotation_mode)
@@ -585,4 +590,15 @@ function ReaderView:onCloseDocument()
 	self.ui.doc_settings:saveSetting("highlight", self.highlight.saved)	
 end
 
+function ReaderView:autoSaveSettings()
+	if DAUTO_SAVE_PAGING_COUNT then
+		if self.auto_save_paging_count == DAUTO_SAVE_PAGING_COUNT then
+			self.ui:saveSettings()
+			self.auto_save_paging_count = 0
+		else
+			self.auto_save_paging_count = self.auto_save_paging_count + 1
+		end
+	end
+end
+
 return ReaderView

frontend/ui/reader/readerzooming.lua

@@ -100,7 +100,7 @@ function ReaderZooming:onReadSettings(config)
 	self.ui:handleEvent(Event:new("SetZoomMode", zoom_mode))
 end
 
-function ReaderZooming:onCloseDocument()
+function ReaderZooming:onSaveSettings()
 	self.ui.doc_settings:saveSetting("zoom_mode", self.zoom_mode)
 end
 

frontend/ui/readerui.lua

@@ -274,10 +274,14 @@ function ReaderUI:onSetDimensions(dimen)
 	self.dimen = dimen
 end
 
+function ReaderUI:saveSettings()
+	self:handleEvent(Event:new("SaveSettings"))
+	self.doc_settings:flush()
+end
+
 function ReaderUI:onClose()
 	DEBUG("closing reader")
-	self:handleEvent(Event:new("CloseDocument"))
-	self.doc_settings:flush()
+	self:saveSettings()
 	if self.document ~= nil then
 		self.document:close()
 		self.document = nil