1 /*
2  * Copyright (C) 2023 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.biometrics
18 
19 import android.content.res.Resources
20 import android.os.Bundle
21 import android.view.View
22 import android.view.accessibility.AccessibilityNodeInfo
23 import com.android.systemui.res.R
24 import com.android.systemui.dagger.SysUISingleton
25 import com.android.systemui.dagger.qualifiers.Main
26 import com.android.systemui.statusbar.phone.StatusBarKeyguardViewManager
27 import javax.inject.Inject
28 
29 @SysUISingleton
30 class UdfpsKeyguardAccessibilityDelegate
31 @Inject
32 constructor(
33     @Main private val resources: Resources,
34     private val keyguardViewManager: StatusBarKeyguardViewManager,
35 ) : View.AccessibilityDelegate() {
onInitializeAccessibilityNodeInfonull36     override fun onInitializeAccessibilityNodeInfo(host: View, info: AccessibilityNodeInfo) {
37         super.onInitializeAccessibilityNodeInfo(host, info)
38         val clickAction =
39             AccessibilityNodeInfo.AccessibilityAction(
40                 AccessibilityNodeInfo.AccessibilityAction.ACTION_CLICK.id,
41                 resources.getString(R.string.accessibility_bouncer)
42             )
43         info.addAction(clickAction)
44     }
45 
performAccessibilityActionnull46     override fun performAccessibilityAction(host: View, action: Int, args: Bundle?): Boolean {
47         // when an a11y service is enabled, double tapping on the fingerprint sensor should
48         // show the primary bouncer
49         return if (action == AccessibilityNodeInfo.AccessibilityAction.ACTION_CLICK.id) {
50             keyguardViewManager.showPrimaryBouncer(/* scrimmed */ true)
51             true
52         } else super.performAccessibilityAction(host, action, args)
53     }
54 }
55