Add primary switch for vibration settings screen

Add primary switch that updates the VIBRATE_ON user setting.

Update all settings in this page to be disabled when this main toggle is
off.

Bug: 30028435
Test: VibrationMainSwitchPreferenceControllerTest
Change-Id: I752ca3b914c46678a1347034c5b6cf24fd40cc13

src/com/android/settings/accessibility/RingVibrationPreferenceConfig.java

@@ -0,0 +1,64 @@
+/*
+ * 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.accessibility;
+
+import static com.android.settings.accessibility.AccessibilityUtil.State.OFF;
+import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
+
+import android.content.Context;
+import android.media.AudioManager;
+import android.os.VibrationAttributes;
+import android.os.Vibrator;
+import android.provider.Settings;
+
+/** General configuration for ringtone vibration intensity settings. */
+public class RingVibrationPreferenceConfig extends VibrationPreferenceConfig {
+    private final AudioManager mAudioManager;
+
+    public RingVibrationPreferenceConfig(Context context) {
+        super(context, Settings.System.RING_VIBRATION_INTENSITY,
+                VibrationAttributes.USAGE_RINGTONE);
+        mAudioManager = context.getSystemService(AudioManager.class);
+    }
+
+    @Override
+    public int readIntensity() {
+        final int vibrateWhenRinging = Settings.System.getInt(mContentResolver,
+                Settings.System.VIBRATE_WHEN_RINGING, ON);
+
+        if ((vibrateWhenRinging == OFF)
+                && !mAudioManager.isRampingRingerEnabled()) {
+            // VIBRATE_WHEN_RINGING is deprecated but should still be applied if the user has
+            // turned it off and has not enabled the ramping ringer (old three-state setting).
+            return Vibrator.VIBRATION_INTENSITY_OFF;
+        }
+
+        return super.readIntensity();
+    }
+
+    @Override
+    public boolean updateIntensity(int intensity) {
+        final boolean success = super.updateIntensity(intensity);
+
+        // VIBRATE_WHEN_RINGING is deprecated but should still reflect the intensity setting.
+        // Ramping ringer is independent of the ring intensity and should not be affected.
+        Settings.System.putInt(mContentResolver, Settings.System.VIBRATE_WHEN_RINGING,
+                (intensity == Vibrator.VIBRATION_INTENSITY_OFF) ? OFF : ON);
+
+        return success;
+    }
+}