Home | History | Annotate | Download | only in fuelgauge 
      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of the License at
      6  *
      7  *      http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the
     10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     11  * KIND, either express or implied. See the License for the specific language governing
     12  * permissions and limitations under the License.
     13  */
     14 
     15 package com.android.settings.fuelgauge;
     16 
     17 import android.app.Fragment;
     18 import android.os.Bundle;
     19 import android.support.annotation.VisibleForTesting;
     20 import android.support.v7.preference.Preference;
     21 
     22 import com.android.settings.R;
     23 import com.android.settings.Settings;
     24 import com.android.settings.SettingsActivity;
     25 import com.android.settings.applications.ManageApplications;
     26 import com.android.settings.core.PreferenceControllerMixin;
     27 import com.android.settingslib.core.AbstractPreferenceController;
     28 
     29 /**
     30  * Controller that jumps to high power optimization fragment
     31  */
     32 public class BatteryOptimizationPreferenceController extends AbstractPreferenceController
     33         implements PreferenceControllerMixin {
     34 
     35     private static final String KEY_BACKGROUND_ACTIVITY = "battery_optimization";
     36 
     37 
     38     private PowerWhitelistBackend mBackend;
     39     private Fragment mFragment;
     40     private SettingsActivity mSettingsActivity;
     41     private String mPackageName;
     42 
     43     public BatteryOptimizationPreferenceController(SettingsActivity settingsActivity,
     44             Fragment fragment, String packageName) {
     45         super(settingsActivity);
     46         mFragment = fragment;
     47         mSettingsActivity = settingsActivity;
     48         mPackageName = packageName;
     49         mBackend = PowerWhitelistBackend.getInstance();
     50     }
     51 
     52     @VisibleForTesting
     53     BatteryOptimizationPreferenceController(SettingsActivity settingsActivity,
     54             Fragment fragment, String packageName, PowerWhitelistBackend backend) {
     55         super(settingsActivity);
     56         mFragment = fragment;
     57         mSettingsActivity = settingsActivity;
     58         mPackageName = packageName;
     59         mBackend = backend;
     60     }
     61 
     62     @Override
     63     public boolean isAvailable() {
     64         return true;
     65     }
     66 
     67     @Override
     68     public void updateState(Preference preference) {
     69         final boolean isWhitelisted = mBackend.isWhitelisted(mPackageName);
     70         preference.setSummary(isWhitelisted ? R.string.high_power_on : R.string.high_power_off);
     71     }
     72 
     73     @Override
     74     public String getPreferenceKey() {
     75         return KEY_BACKGROUND_ACTIVITY;
     76     }
     77 
     78     @Override
     79     public boolean handlePreferenceTreeClick(Preference preference) {
     80         if (!KEY_BACKGROUND_ACTIVITY.equals(preference.getKey())) {
     81             return false;
     82         }
     83 
     84         Bundle args = new Bundle(1);
     85         args.putString(ManageApplications.EXTRA_CLASSNAME,
     86                 Settings.HighPowerApplicationsActivity.class.getName());
     87         mSettingsActivity.startPreferencePanel(mFragment, ManageApplications.class.getName(), args,
     88                 R.string.high_power_apps, null, null, 0);
     89         return true;
     90     }
     91 
     92 }
     93