tools/interfaces/IStatusBarService.py

   1 import gbinder
   2 import logging
   3 import time
   4 from tools import helpers
   5
   6
   7 INTERFACE = "com.android.internal.statusbar.IStatusBarService"
   8 SERVICE_NAME = "statusbar"
   9
  10 TRANSACTION_expand = 1
  11 TRANSACTION_collapse = 2
  12
  13 class IStatusBarService:
  14     def __init__(self, remote):
  15         self.client = gbinder.Client(remote, INTERFACE)
  16
  17     def expand(self):
  18         request = self.client.new_request()
  19         reply, status = self.client.transact_sync_reply(
  20             TRANSACTION_expand, request)
  21
  22         if status:
  23             logging.error("Sending reply failed")
  24         else:
  25             reader = reply.init_reader()
  26             status, exception = reader.read_int32()
  27             if exception != 0:
  28                 logging.error("Failed with code: {}".format(exception))
  29
  30     def collapse(self):
  31         request = self.client.new_request()
  32         reply, status = self.client.transact_sync_reply(
  33             TRANSACTION_collapse, request)
  34
  35         if status:
  36             logging.error("Sending reply failed")
  37         else:
  38             reader = reply.init_reader()
  39             status, exception = reader.read_int32()
  40             if exception != 0:
  41                 logging.error("Failed with code: {}".format(exception))
  42
  43 def get_service(args):
  44     helpers.drivers.loadBinderNodes(args)
  45     serviceManager = gbinder.ServiceManager("/dev/" + args.BINDER_DRIVER)
  46     tries = 1000
  47
  48     remote, status = serviceManager.get_service_sync(SERVICE_NAME)
  49     while(not remote):
  50         if tries > 0:
  51             logging.warning(
  52                 "Failed to get service {}, trying again...".format(SERVICE_NAME))
  53             time.sleep(1)
  54             remote, status = serviceManager.get_service_sync(SERVICE_NAME)
  55             tries = tries - 1
  56         else:
  57             return None
  58
  59     return IStatusBarService(remote)