1 /* 2 * Copyright (C) 2017 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.settings.wifi; 18 19 import android.content.Context; 20 import android.provider.Settings; 21 import android.support.v7.preference.ListPreference; 22 import android.support.v7.preference.Preference; 23 import android.util.Log; 24 import android.widget.Toast; 25 26 import com.android.settings.R; 27 import com.android.settings.Utils; 28 import com.android.settings.core.PreferenceController; 29 30 import static com.android.internal.os.MemoryPowerCalculator.TAG; 31 32 public class WifiSleepPolicyPreferenceController extends PreferenceController implements 33 Preference.OnPreferenceChangeListener { 34 35 private static final String KEY_SLEEP_POLICY = "sleep_policy"; 36 WifiSleepPolicyPreferenceController(Context context)37 public WifiSleepPolicyPreferenceController(Context context) { 38 super(context); 39 } 40 41 @Override isAvailable()42 public boolean isAvailable() { 43 return true; 44 } 45 46 @Override getPreferenceKey()47 public String getPreferenceKey() { 48 return KEY_SLEEP_POLICY; 49 } 50 51 @Override updateState(Preference preference)52 public void updateState(Preference preference) { 53 ListPreference sleepPolicyPref = (ListPreference) preference; 54 if (sleepPolicyPref != null) { 55 if (Utils.isWifiOnly(mContext)) { 56 sleepPolicyPref.setEntries(R.array.wifi_sleep_policy_entries_wifi_only); 57 } 58 int value = Settings.Global.getInt(mContext.getContentResolver(), 59 Settings.Global.WIFI_SLEEP_POLICY, 60 Settings.Global.WIFI_SLEEP_POLICY_NEVER); 61 String stringValue = String.valueOf(value); 62 sleepPolicyPref.setValue(stringValue); 63 updateSleepPolicySummary(sleepPolicyPref, stringValue); 64 } 65 } 66 67 @Override onPreferenceChange(Preference preference, Object newValue)68 public boolean onPreferenceChange(Preference preference, Object newValue) { 69 try { 70 String stringValue = (String) newValue; 71 Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.WIFI_SLEEP_POLICY, 72 Integer.parseInt(stringValue)); 73 updateSleepPolicySummary(preference, stringValue); 74 } catch (NumberFormatException e) { 75 Toast.makeText(mContext, R.string.wifi_setting_sleep_policy_error, 76 Toast.LENGTH_SHORT).show(); 77 return false; 78 } 79 return true; 80 } 81 updateSleepPolicySummary(Preference sleepPolicyPref, String value)82 private void updateSleepPolicySummary(Preference sleepPolicyPref, String value) { 83 if (value != null) { 84 String[] values = mContext.getResources().getStringArray(R.array 85 .wifi_sleep_policy_values); 86 final int summaryArrayResId = Utils.isWifiOnly(mContext) 87 ? R.array.wifi_sleep_policy_entries_wifi_only 88 : R.array.wifi_sleep_policy_entries; 89 String[] summaries = mContext.getResources().getStringArray(summaryArrayResId); 90 for (int i = 0; i < values.length; i++) { 91 if (value.equals(values[i])) { 92 if (i < summaries.length) { 93 sleepPolicyPref.setSummary(summaries[i]); 94 return; 95 } 96 } 97 } 98 } 99 100 sleepPolicyPref.setSummary(""); 101 Log.e(TAG, "Invalid sleep policy value: " + value); 102 } 103 104 } 105