1#!/usr/bin/env python3
2#
3#   Copyright 2020 - The Android Open Source Project
4#
5#   Licensed under the Apache License, Version 2.0 (the "License");
6#   you may not use this file except in compliance with the License.
7#   You may obtain a copy of the License at
8#
9#       http://www.apache.org/licenses/LICENSE-2.0
10#
11#   Unless required by applicable law or agreed to in writing, software
12#   distributed under the License is distributed on an "AS IS" BASIS,
13#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14#   See the License for the specific language governing permissions and
15#   limitations under the License.
16
17import datetime
18
19from acts.controllers.fuchsia_lib.base_lib import BaseLib
20
21
22class FuchsiaBacklightLib(BaseLib):
23    def __init__(self, addr, tc, client_id):
24        self.address = addr
25        self.test_counter = tc
26        self.client_id = client_id
27
28    def getStateNormalized(self):
29        """Gets the backlight state and normalized brightness.
30
31        Returns:
32          The backlight state as a bool and the normalized brightness as a float in [0.0, 1.0], or
33          an error if the call failed.
34        """
35        test_cmd = 'backlight_facade.GetStateNormalized'
36        test_args = {}
37        test_id = self.build_id(self.test_counter)
38        self.test_counter += 1
39
40        return self.send_command(test_id, test_cmd, test_args)
41
42    def setStateNormalized(self, backlight_on, brightness):
43        """Sets the backlight state and normalized brightness.
44
45        Args:
46          backlight_on: A bool indicating whether or not the backlight is on.
47          brightness: A float in [0.0, 1.0] representing the backlight brightness.
48
49        Returns:
50          None or an error if the call failed.
51        """
52        test_cmd = 'backlight_facade.SetStateNormalized'
53        test_args = {'backlight_on': backlight_on, 'brightness': brightness}
54        test_id = self.build_id(self.test_counter)
55        self.test_counter += 1
56
57        return self.send_command(test_id, test_cmd, test_args)
58
59    def getNormalizedBrightnessScale(self):
60        """Gets the normalized brightness scale.
61
62        Returns:
63          The normalized brightness scale as a float in [0.0, 1.0], or an error if the call failed.
64        """
65        test_cmd = 'backlight_facade.GetNormalizedBrightnessScale'
66        test_args = {}
67        test_id = self.build_id(self.test_counter)
68        self.test_counter += 1
69
70        return self.send_command(test_id, test_cmd, test_args)
71
72    def setNormalizedBrightnessScale(self, scale):
73        """Sets the normalized brightness scale.
74
75        Args:
76          scale: The normalized brightness scale to set as a float in [0.0, 1.0].
77
78        Returns:
79          None or an error if the call failed.
80        """
81        test_cmd = 'backlight_facade.SetNormalizedBrightnessScale'
82        test_args = scale
83        test_id = self.build_id(self.test_counter)
84        self.test_counter += 1
85
86        return self.send_command(test_id, test_cmd, test_args)
87