1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package com.android.tv.common.feature;
18 
19 import android.content.Context;
20 
21 import com.android.tv.common.dev.DeveloperPreference;
22 
23 /** A {@link Feature} based on {@link DeveloperPreference<Boolean>}. */
24 public class DeveloperPreferenceFeature implements Feature {
25 
26     private final DeveloperPreference<Boolean> mPreference;
27 
28     /**
29      * Create a developer preference feature.
30      *
31      * @param key the developer setting key.
32      * @param defaultValue the value to return if the setting is undefined or empty.
33      */
create(String key, boolean defaultValue)34     public static DeveloperPreferenceFeature create(String key, boolean defaultValue) {
35         return from(DeveloperPreference.create(key, defaultValue));
36     }
37 
38     /**
39      * Create a developer preference feature from an exiting {@link DeveloperPreference<Boolean>}.
40      */
from( DeveloperPreference<Boolean> developerPreference)41     public static DeveloperPreferenceFeature from(
42             DeveloperPreference<Boolean> developerPreference) {
43         return new DeveloperPreferenceFeature(developerPreference);
44     }
45 
DeveloperPreferenceFeature(DeveloperPreference<Boolean> mPreference)46     private DeveloperPreferenceFeature(DeveloperPreference<Boolean> mPreference) {
47         this.mPreference = mPreference;
48     }
49 
50     @Override
isEnabled(Context context)51     public boolean isEnabled(Context context) {
52         return mPreference.get(context);
53     }
54 
55     @Override
toString()56     public String toString() {
57         return mPreference.toString();
58     }
59 }
60