From 81da0689ecbac3c77ad57dfa8a4536c1dc516c19 Mon Sep 17 00:00:00 2001
From: Beverly <beverlyt@google.com>
Date: Tue, 1 Mar 2022 14:34:34 +0000
Subject: [PATCH] Don't show the "When to show" PreferenceCategory

If the ambient display isn't available. This includes
AOD wakeup gestures.

Test: manual
Fixes: 195413949
Change-Id: Ief1876e231288274a35db2fb185ac92864450d48
---
 res/xml/security_lockscreen_settings.xml      |  1 +
 ...DisplayWhenToShowPreferenceController.java | 40 +++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 src/com/android/settings/display/AmbientDisplayWhenToShowPreferenceController.java

diff --git a/res/xml/security_lockscreen_settings.xml b/res/xml/security_lockscreen_settings.xml
index b61f4586f31..3bd84f81ae3 100644
--- a/res/xml/security_lockscreen_settings.xml
+++ b/res/xml/security_lockscreen_settings.xml
@@ -79,6 +79,7 @@
     <PreferenceCategory
         android:key="ambient_display_category_when_to_show"
         android:title="@string/ambient_display_category_triggers"
+        settings:controller="com.android.settings.display.AmbientDisplayWhenToShowPreferenceController"
         android:order="1000">
 
         <com.android.settingslib.RestrictedSwitchPreference
diff --git a/src/com/android/settings/display/AmbientDisplayWhenToShowPreferenceController.java b/src/com/android/settings/display/AmbientDisplayWhenToShowPreferenceController.java
new file mode 100644
index 00000000000..66b227196bd
--- /dev/null
+++ b/src/com/android/settings/display/AmbientDisplayWhenToShowPreferenceController.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings.display;
+
+import android.content.Context;
+import android.hardware.display.AmbientDisplayConfiguration;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.core.PreferenceControllerMixin;
+
+/**
+ * Only show the "When to show" Doze preferences if there's an ambient display available.
+ */
+public class AmbientDisplayWhenToShowPreferenceController extends
+        BasePreferenceController implements PreferenceControllerMixin {
+    private final AmbientDisplayConfiguration mConfig;
+
+    public AmbientDisplayWhenToShowPreferenceController(Context context, String key) {
+        super(context, key);
+        mConfig = new AmbientDisplayConfiguration(context);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mConfig.ambientDisplayAvailable() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+    }
+}