Merge pull request #82 from chrox/activity_indicator

add activity indicator when configuring in reflow mode

frontend/ui/reader/readeractivityindicator.lua

@@ -0,0 +1,43 @@
+require "ui/device"
+
+ReaderActivityIndicator = EventListener:new{}
+
+function ReaderActivityIndicator:init()
+	local dev_mod = Device:getModel()
+	if dev_mod == "KindlePaperWhite" or dev_mod == "KindleTouch" then
+		require "liblipclua"
+		self.lipc_handle = lipc.init("com.github.koreader.activityindicator")
+	end
+end
+
+function ReaderActivityIndicator:onStartActivityIndicator()	
+	if self.lipc_handle then
+		-- check if activity indicator is needed
+		if self.document.configurable.text_wrap == 1 then
+			-- start indicator depends on pillow being enabled
+			self.lipc_handle:set_string_property(
+				"com.lab126.pillow", "activityIndicator",
+				'{"activityIndicator":{ \
+					"action":"start","timeout":10000, \
+					"clientId":"com.github.koreader.activityindicator", \
+					"priority":true}}')
+			self.indicator_started = true
+		end
+	end
+	return true
+end
+
+function ReaderActivityIndicator:onStopActivityIndicator()
+	if self.lipc_handle and self.indicator_started then
+		-- stop indicator depends on pillow being enabled
+		self.lipc_handle:set_string_property(
+			"com.lab126.pillow", "activityIndicator",
+			'{"activityIndicator":{ \
+				"action":"stop","timeout":10000, \
+				"clientId":"com.github.koreader.activityindicator", \
+				"priority":true}}')
+		self.indicator_started = false
+		util.usleep(1000000)
+	end
+	return true
+end

frontend/ui/reader/readerfrontlight.lua

@@ -1,4 +1,3 @@
-package.cpath = package.cpath..";/usr/lib/lua/?.so"
 require "ui/device"
 
 ReaderFrontLight = InputContainer:new{

frontend/ui/reader/readerview.lua

@@ -109,6 +109,8 @@ function ReaderView:paintTo(bb, x, y)
 	if self.flipping_visible then
 		self.flipping:paintTo(bb, x, y)
 	end
+	-- stop activity indicator
+	self.ui:handleEvent(Event:new("StopActivityIndicator"))
 end
 
 function ReaderView:drawPageBackground(bb, x, y)

frontend/ui/readerui.lua

@@ -17,6 +17,7 @@ require "ui/reader/readerhinting"
 require "ui/reader/readerscreenshot"
 require "ui/reader/readerfrontlight"
 require "ui/reader/readerhyphenation"
+require "ui/reader/readeractivityindicator"
 
 --[[
 This is an abstraction for a reader interface
@@ -209,6 +210,14 @@ function ReaderUI:init()
 			document = self.document,
 		}
 		table.insert(self, coptlistener)
+		-- activity indicator
+		local activity_listener = ReaderActivityIndicator:new{
+			dialog = self.dialog,
+			view = self[1],
+			ui = self,
+			document = self.document,
+		}
+		table.insert(self, activity_listener)
 	end
 	--DEBUG(self.doc_settings)
 	-- we only read settings after all the widgets are initialized

frontend/ui/widget/config.lua

@@ -473,6 +473,7 @@ end
 function ConfigDialog:onConfigChoice(option_name, option_value)
 	--DEBUG("config option value", option_name, option_value)
 	self.configurable[option_name] = option_value
+	self.ui:handleEvent(Event:new("StartActivityIndicator"))
 end
 
 function ConfigDialog:onConfigEvent(option_event, option_arg)

reader.lua

@@ -1,6 +1,7 @@
 #!./koreader-base
 
 package.path = "./frontend/?.lua"
+package.cpath = "/usr/lib/lua/?.so"
 require "ui/uimanager"
 require "ui/widget/filechooser"
 require "ui/widget/infomessage"