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1 /*
<lambda>null2  * Copyright (C) 2024 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.qs.flags
18 
19 import com.android.systemui.Flags
20 import com.android.systemui.flags.FlagToken
21 import com.android.systemui.flags.RefactorFlagUtils
22 import com.android.systemui.scene.shared.flag.SceneContainerFlag
23 
24 /** Helper for reading or using the QS Detailed View flag state. */
25 @Suppress("NOTHING_TO_INLINE")
26 object QsDetailedView {
27     /** The aconfig flag name */
28     const val FLAG_NAME = Flags.FLAG_QS_TILE_DETAILED_VIEW
29 
30     /** A token used for dependency declaration */
31     val token: FlagToken
32         get() = FlagToken(FLAG_NAME, isEnabled)
33 
34     /** Is the flag enabled */
35     @JvmStatic
36     inline val isEnabled
37         get() =
38             Flags.qsTileDetailedView() && // mainAconfigFlag
39                 SceneContainerFlag.isEnabled
40 
41     // NOTE: Changes should also be made in getSecondaryFlags
42 
43     /** The main aconfig flag. */
44     inline fun getMainAconfigFlag() = FlagToken(FLAG_NAME, Flags.qsTileDetailedView())
45 
46     /** The set of secondary flags which must be enabled for qs detailed view to work properly */
47     inline fun getSecondaryFlags(): Sequence<FlagToken> =
48         // NOTE: Changes should also be made in isEnabled
49         SceneContainerFlag.getAllRequirements()
50 
51     /** The full set of requirements for QsDetailedView */
52     inline fun getAllRequirements(): Sequence<FlagToken> {
53         return sequenceOf(getMainAconfigFlag()) + getSecondaryFlags()
54     }
55 
56     /** Return all dependencies of this flag in pairs where [Pair.first] depends on [Pair.second] */
57     inline fun getFlagDependencies(): Sequence<Pair<FlagToken, FlagToken>> {
58         val mainAconfigFlag = getMainAconfigFlag()
59         return getSecondaryFlags().map { mainAconfigFlag to it }
60     }
61 
62     /**
63      * Called to ensure code is only run when the flag is enabled. This protects users from the
64      * unintended behaviors caused by accidentally running new logic, while also crashing on an eng
65      * build to ensure that the refactor author catches issues in testing.
66      */
67     @JvmStatic
68     inline fun isUnexpectedlyInLegacyMode() =
69         RefactorFlagUtils.isUnexpectedlyInLegacyMode(isEnabled, FLAG_NAME)
70 
71     /**
72      * Called to ensure code is only run when the flag is disabled. This will throw an exception if
73      * the flag is enabled to ensure that the refactor author catches issues in testing.
74      */
75     @JvmStatic
76     inline fun assertInLegacyMode() = RefactorFlagUtils.assertInLegacyMode(isEnabled, FLAG_NAME)
77 
78     /**
79      * Called to ensure code is only run when the flag is enabled. This will throw an exception if
80      * the flag is not enabled to ensure that the refactor author catches issues in testing.
81      * Caution!! Using this check incorrectly will cause crashes in nextfood builds!
82      */
83     @JvmStatic
84     @Deprecated("Avoid crashing.", ReplaceWith("if (this.isUnexpectedlyInLegacyMode()) return"))
85     inline fun unsafeAssertInNewMode() =
86         RefactorFlagUtils.unsafeAssertInNewMode(isEnabled, FLAG_NAME)
87 
88     /** Returns a developer-readable string that describes the current requirement list. */
89     @JvmStatic
90     fun requirementDescription(): String {
91         return buildString {
92             getAllRequirements().forEach { requirement ->
93                 append('\n')
94                 append(if (requirement.isEnabled) "    [MET]" else "[NOT MET]")
95                 append(" ${requirement.name}")
96             }
97         }
98     }
99 }
100