Merge pull request #2081 from koreader/houqp-master

handle auto shutdown in pocketbook

frontend/device/pocketbook/device.lua

@@ -57,6 +57,11 @@ function PocketBook:init()
         elseif self.isInBackGround and ev.type == EVT_FOREGROUND then
             self.isInBackGround = false
             self:onPowerEvent("Power")
+        elseif ev.type == EVT_EXIT then
+            -- auto shutdown event from inkview framework, gracefully close
+            -- everything and let the framework shutdown the device
+            require("ui/uimanager"):broadcastEvent(
+                require("ui/event"):new("Close"))
         elseif not self.isInBackGround and ev.type == EVT_FOREGROUND then
             self.screen:refreshPartial()
         end