| /* |
| * Copyright (C) 2019 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.privacy; |
| |
| import android.accessibilityservice.AccessibilityServiceInfo; |
| import android.content.Context; |
| import android.view.accessibility.AccessibilityManager; |
| |
| import androidx.annotation.NonNull; |
| import androidx.preference.Preference; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.BasePreferenceController; |
| |
| import java.util.List; |
| |
| |
| public class AccessibilityUsagePreferenceController extends BasePreferenceController { |
| |
| private final AccessibilityManager mAccessibilityManager; |
| @NonNull |
| private List<AccessibilityServiceInfo> mEnabledServiceInfos; |
| |
| public AccessibilityUsagePreferenceController(Context context, String preferenceKey) { |
| super(context, preferenceKey); |
| mAccessibilityManager = mContext.getSystemService(AccessibilityManager.class); |
| mEnabledServiceInfos = mAccessibilityManager.getEnabledAccessibilityServiceList( |
| AccessibilityServiceInfo.FEEDBACK_ALL_MASK); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| mEnabledServiceInfos = mAccessibilityManager.getEnabledAccessibilityServiceList( |
| AccessibilityServiceInfo.FEEDBACK_ALL_MASK); |
| |
| if (mEnabledServiceInfos.isEmpty()) { |
| preference.setVisible(false); |
| } |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| return mEnabledServiceInfos.isEmpty() ? UNSUPPORTED_ON_DEVICE : AVAILABLE; |
| } |
| |
| @Override |
| public CharSequence getSummary() { |
| return mContext.getResources().getQuantityString(R.plurals.accessibility_usage_summary, |
| mEnabledServiceInfos.size(), mEnabledServiceInfos.size()); |
| } |
| } |