1 # Copyright 2017 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 """An interface to access the local input facade.""" 6 7 8 import json 9 import logging 10 11 from autotest_lib.client.bin.input import input_event_recorder 12 from autotest_lib.client.common_lib import error 13 from autotest_lib.client.cros.graphics import graphics_utils 14 15 16 class InputFacadeNativeError(Exception): 17 """Error in InputFacadeNative.""" 18 pass 19 20 21 class InputFacadeNative(object): 22 """Facade to access the record input events.""" 23 24 def __init__(self): 25 """Initializes the input facade.""" 26 self.recorder = None 27 28 29 def initialize_input_recorder(self, device_name): 30 """Initialize an input event recorder object. 31 32 @param device_name: the name of the input device to record. 33 34 """ 35 self.recorder = input_event_recorder.InputEventRecorder(device_name) 36 logging.info('input event device: %s (%s)', 37 self.recorder.device_name, self.recorder.device_node) 38 39 40 def clear_input_events(self): 41 """Clear the event list.""" 42 if self.recorder is None: 43 raise error.TestError('input facade: input device name not given') 44 self.recorder.clear_events() 45 46 47 def start_input_recorder(self): 48 """Start the recording thread.""" 49 if self.recorder is None: 50 raise error.TestError('input facade: input device name not given') 51 self.recorder.start() 52 53 54 def stop_input_recorder(self): 55 """Stop the recording thread.""" 56 if self.recorder is None: 57 raise error.TestError('input facade: input device name not given') 58 self.recorder.stop() 59 60 61 def get_input_events(self): 62 """Get the bluetooth device input events. 63 64 @returns: the recorded input events. 65 66 """ 67 if self.recorder is None: 68 raise error.TestError('input facade: input device name not given') 69 events = self.recorder.get_events() 70 return json.dumps(events) 71 72 73 def press_keys(self, key_list): 74 """ Simulating key press 75 76 @param key_list: A list of key strings, e.g. ['LEFTCTRL', 'F4'] 77 """ 78 graphics_utils.press_keys(key_list) 79
