1 /* 2 * Copyright (C) 2016 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 package com.android.settings.network; 17 18 import android.app.admin.DevicePolicyManager; 19 import android.content.Context; 20 21 import androidx.preference.Preference; 22 import androidx.preference.PreferenceScreen; 23 24 import com.android.settings.core.PreferenceControllerMixin; 25 import com.android.settingslib.core.AbstractPreferenceController; 26 27 public class ProxyPreferenceController extends AbstractPreferenceController 28 implements PreferenceControllerMixin { 29 30 private static final String KEY_PROXY_SETTINGS = "proxy_settings"; 31 ProxyPreferenceController(Context context)32 public ProxyPreferenceController(Context context) { 33 super(context); 34 } 35 36 @Override isAvailable()37 public boolean isAvailable() { 38 // proxy UI disabled until we have better app support 39 return false; 40 } 41 42 @Override displayPreference(PreferenceScreen screen)43 public void displayPreference(PreferenceScreen screen) { 44 super.displayPreference(screen); 45 // Enable Proxy selector settings if allowed. 46 final Preference pref = screen.findPreference(KEY_PROXY_SETTINGS); 47 if (pref != null) { 48 final DevicePolicyManager dpm = (DevicePolicyManager) 49 mContext.getSystemService(Context.DEVICE_POLICY_SERVICE); 50 pref.setEnabled(dpm.getGlobalProxyAdmin() == null); 51 } 52 } 53 54 @Override getPreferenceKey()55 public String getPreferenceKey() { 56 return KEY_PROXY_SETTINGS; 57 } 58 } 59