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@startuml
skinparam BackgroundColor F0F0F0
participant "Battery level check" as batt
participant "System Manager" as sysmgr
participant "Service Cellular" as cell
participant "Application Manager" as appmgr
participant "ApplicaionDesktop" as appdsktp
== Initial check ==
activate cell
cell -> sysmgr : CellularCheckIfStartAllowedMessage
activate sysmgr
sysmgr -> cell : CellularPowerStateChange(Off)
cell -> cell : handle_power_state_change
sysmgr -> appmgr : CriticalBatteryLevelNotification(true)
deactivate cell
deactivate sysmgr
activate appmgr
appmgr -> appdsktp : actions::DisplayLowBatteryNotification
deactivate appmgr
alt
activate cell
cell -> sysmgr : CellularCheckIfStartAllowedMessage
activate sysmgr
sysmgr -> cell : CellularPowerStateChange(On)
cell -> cell : handle_power_state_change
sysmgr -> appmgr : CriticalBatteryLevelNotification(false)
deactivate cell
deactivate sysmgr
end
== Normal flow ==
batt -> sysmgr : BatteryStateChangeMessage
activate sysmgr
sysmgr -> cell : CellularPowerStateChange(Off)
activate cell
cell -> cell : handle_power_state_change
sysmgr -> appmgr : CriticalBatteryLevelNotification(true)
deactivate cell
activate appmgr
appmgr -> appdsktp : actions::DisplayLowBatteryNotification
deactivate appmgr
alt
batt -> sysmgr : BatteryStateChangeMessage
activate sysmgr
sysmgr -> cell : CellularPowerStateChange(On)
activate cell
cell -> cell : handle_power_state_change
sysmgr -> appmgr : CriticalBatteryLevelNotification(false)
deactivate cell
end
@enduml