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      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.fuelgauge.anomaly;
     18 
     19 import android.content.Context;
     20 import android.support.annotation.VisibleForTesting;
     21 import android.support.v7.preference.Preference;
     22 
     23 import com.android.settings.R;
     24 import com.android.settings.SettingsActivity;
     25 import com.android.settings.core.InstrumentedPreferenceFragment;
     26 import com.android.settings.fuelgauge.BatteryUtils;
     27 import com.android.settings.fuelgauge.PowerUsageAnomalyDetails;
     28 
     29 import java.util.List;
     30 
     31 /**
     32  * Manager that responsible for updating high usage preference and handling preference click.
     33  */
     34 public class AnomalySummaryPreferenceController {
     35     private static final String TAG = "HighUsagePreferenceController";
     36 
     37     public static final String ANOMALY_KEY = "high_usage";
     38 
     39     private static final int REQUEST_ANOMALY_ACTION = 0;
     40     private InstrumentedPreferenceFragment mFragment;
     41     @VisibleForTesting
     42     Preference mAnomalyPreference;
     43     @VisibleForTesting
     44     List<Anomaly> mAnomalies;
     45     @VisibleForTesting
     46     BatteryUtils mBatteryUtils;
     47     private SettingsActivity mSettingsActivity;
     48 
     49     /**
     50      * Metrics key about fragment that create this controller
     51      *
     52      * @see com.android.internal.logging.nano.MetricsProto.MetricsEvent
     53      */
     54     private int mMetricsKey;
     55 
     56     public AnomalySummaryPreferenceController(SettingsActivity activity,
     57             InstrumentedPreferenceFragment fragment) {
     58         mFragment = fragment;
     59         mSettingsActivity = activity;
     60         mAnomalyPreference = mFragment.getPreferenceScreen().findPreference(ANOMALY_KEY);
     61         mMetricsKey = fragment.getMetricsCategory();
     62         mBatteryUtils = BatteryUtils.getInstance(activity.getApplicationContext());
     63         hideHighUsagePreference();
     64     }
     65 
     66     public boolean onPreferenceTreeClick(Preference preference) {
     67         if (mAnomalies != null && ANOMALY_KEY.equals(preference.getKey())) {
     68             if (mAnomalies.size() == 1) {
     69                 final Anomaly anomaly = mAnomalies.get(0);
     70                 AnomalyDialogFragment dialogFragment = AnomalyDialogFragment.newInstance(anomaly,
     71                         mMetricsKey);
     72                 dialogFragment.setTargetFragment(mFragment, REQUEST_ANOMALY_ACTION);
     73                 dialogFragment.show(mFragment.getFragmentManager(), TAG);
     74             } else {
     75                 PowerUsageAnomalyDetails.startBatteryAbnormalPage(mSettingsActivity, mFragment,
     76                         mAnomalies);
     77             }
     78             return true;
     79         }
     80         return false;
     81     }
     82 
     83     /**
     84      * Update anomaly preference based on {@code anomalies}, also store a reference
     85      * of {@paramref anomalies}, which would be used in {@link #onPreferenceTreeClick(Preference)}
     86      *
     87      * @param anomalies used to update the summary, this method will store a reference of it
     88      */
     89     public void updateAnomalySummaryPreference(List<Anomaly> anomalies) {
     90         final Context context = mFragment.getContext();
     91         mAnomalies = anomalies;
     92 
     93         if (!mAnomalies.isEmpty()) {
     94             mAnomalyPreference.setVisible(true);
     95             final int count = mAnomalies.size();
     96             final String title = context.getResources().getQuantityString(
     97                     R.plurals.power_high_usage_title, count, mAnomalies.get(0).displayName);
     98             final String summary = count > 1 ?
     99                     context.getString(R.string.battery_abnormal_apps_summary, count)
    100                     : context.getString(
    101                             mBatteryUtils.getSummaryResIdFromAnomalyType(mAnomalies.get(0).type));
    102 
    103             mAnomalyPreference.setTitle(title);
    104             mAnomalyPreference.setSummary(summary);
    105         } else {
    106             mAnomalyPreference.setVisible(false);
    107         }
    108     }
    109 
    110     public void hideHighUsagePreference() {
    111         mAnomalyPreference.setVisible(false);
    112     }
    113 }
    114