def manage(foregroundTasks, backgroundTasks):
for task in foregroundTasks:
if not process.is_system_process(task.pid):
resume_process(task.pid)
if not process.on_battery():
suspended_pids = [pid for pid,_ in suspended_tasks]
for pid in filter(lambda pid: get_suspend_preference(pid) == SUSPEND_ON_BATTERY, suspended_pids):
resume_process(pid)
for task in filter(lambda task: get_suspend_preference(task.pid), backgroundTasks):
if process.is_system_process(task.pid):
continue
suspend_task_on_battery = get_suspend_preference(task.pid) == SUSPEND_ON_BATTERY
if suspend_task_on_battery and not process.on_battery():
continue
suspend_process(task.pid, battery=suspend_task_on_battery)
def suspend_process(pid, manual=False, battery=False):
name = process.get_name(pid)
if manual:
set_suspend_preference(name, SUSPEND_ON_BATTERY if battery else SUSPEND_ALWAYS)
if battery and not process.on_battery():
return
if process.suspend_pid(pid):
suspended_tasks.add((pid, name))
else:
set_suspend_preference(name, "")