1 /*
2  * Copyright (C) 2022 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.systemui.flags
18 
19 import android.annotation.BoolRes
20 
21 object FlagsFactory {
22     private val flagMap = mutableMapOf<String, Flag<*>>()
23 
24     val knownFlags: Map<String, Flag<*>>
25         get() {
26             // We need to access Flags in order to initialize our map.
27             assert(flagMap.contains(Flags.TEAMFOOD.name)) { "Where is teamfood?" }
28             return flagMap
29         }
30 
31     fun unreleasedFlag(
32         name: String,
33         namespace: String = "systemui",
34         teamfood: Boolean = false
35     ): UnreleasedFlag {
36         val flag = UnreleasedFlag(name = name, namespace = namespace, teamfood = teamfood)
37         checkForDupesAndAdd(flag)
38         return flag
39     }
40 
41     fun releasedFlag(
42         name: String,
43         namespace: String = "systemui",
44     ): ReleasedFlag {
45         val flag = ReleasedFlag(name = name, namespace = namespace, teamfood = false)
46         checkForDupesAndAdd(flag)
47         return flag
48     }
49 
50     fun resourceBooleanFlag(
51         @BoolRes resourceId: Int,
52         name: String,
53         namespace: String = "systemui",
54     ): ResourceBooleanFlag {
55         val flag =
56             ResourceBooleanFlag(
57                 name = name,
58                 namespace = namespace,
59                 resourceId = resourceId,
60                 teamfood = false,
61             )
62         checkForDupesAndAdd(flag)
63         return flag
64     }
65 
66     fun sysPropBooleanFlag(
67         name: String,
68         namespace: String = "systemui",
69         default: Boolean = false
70     ): SysPropBooleanFlag {
71         val flag = SysPropBooleanFlag(name = name, namespace = "systemui", default = default)
72         checkForDupesAndAdd(flag)
73         return flag
74     }
75 
76     private fun checkForDupesAndAdd(flag: Flag<*>) {
77         if (flagMap.containsKey(flag.name)) {
78             throw IllegalArgumentException("Name {$flag.name} is already registered")
79         }
80         flagMap[flag.name] = flag
81     }
82 }
83