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      1 /*
      2  * Copyright (C) 2014 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.systemui.qs;
     18 
     19 import android.content.BroadcastReceiver;
     20 import android.content.Context;
     21 import android.content.DialogInterface;
     22 import android.content.Intent;
     23 import android.content.IntentFilter;
     24 import android.content.SharedPreferences;
     25 
     26 import com.android.systemui.Prefs;
     27 import com.android.systemui.R;
     28 import com.android.systemui.statusbar.phone.SystemUIDialog;
     29 import com.android.systemui.statusbar.policy.Listenable;
     30 
     31 public class UsageTracker implements Listenable {
     32     private static final long MILLIS_PER_DAY = 1000 * 60 * 60 * 24;
     33 
     34     private final Context mContext;
     35     private final long mTimeToShowTile;
     36     @Prefs.Key private final String mPrefKey;
     37     private final String mResetAction;
     38 
     39     private boolean mRegistered;
     40 
     41     public UsageTracker(Context context, @Prefs.Key String prefKey, Class<?> tile,
     42             int timeoutResource) {
     43         mContext = context;
     44         mPrefKey = prefKey;
     45         mTimeToShowTile = MILLIS_PER_DAY * mContext.getResources().getInteger(timeoutResource);
     46         mResetAction = "com.android.systemui.qs." + tile.getSimpleName() + ".usage_reset";
     47     }
     48 
     49     @Override
     50     public void setListening(boolean listen) {
     51         if (listen && !mRegistered) {
     52              mContext.registerReceiver(mReceiver, new IntentFilter(mResetAction));
     53              mRegistered = true;
     54         } else if (!listen && mRegistered) {
     55             mContext.unregisterReceiver(mReceiver);
     56             mRegistered = false;
     57         }
     58     }
     59 
     60     public boolean isRecentlyUsed() {
     61         long lastUsed = Prefs.getLong(mContext, mPrefKey, 0L /* defaultValue */);
     62         return (System.currentTimeMillis() - lastUsed) < mTimeToShowTile;
     63     }
     64 
     65     public void trackUsage() {
     66         Prefs.putLong(mContext, mPrefKey, System.currentTimeMillis());
     67     }
     68 
     69     public void reset() {
     70         Prefs.remove(mContext, mPrefKey);
     71     }
     72 
     73     public void showResetConfirmation(String title, final Runnable onConfirmed) {
     74         final SystemUIDialog d = new SystemUIDialog(mContext);
     75         d.setTitle(title);
     76         d.setMessage(mContext.getString(R.string.quick_settings_reset_confirmation_message));
     77         d.setNegativeButton(android.R.string.cancel, null);
     78         d.setPositiveButton(R.string.quick_settings_reset_confirmation_button,
     79                 new DialogInterface.OnClickListener() {
     80             @Override
     81             public void onClick(DialogInterface dialog, int which) {
     82                 reset();
     83                 if (onConfirmed != null) {
     84                     onConfirmed.run();
     85                 }
     86             }
     87         });
     88         d.setCanceledOnTouchOutside(true);
     89         d.show();
     90     }
     91 
     92     private BroadcastReceiver mReceiver = new BroadcastReceiver() {
     93         @Override
     94         public void onReceive(Context context, Intent intent) {
     95             if (mResetAction.equals(intent.getAction())) {
     96                 reset();
     97             }
     98         }
     99     };
    100 }
    101